FHA604S01 Dover Court
NBS Landscape Specification - Issue C5 07 August 2017
This document includes:
Code Section Revision Dated B91 Buildings in the landscape C3 20 Apr 2017 F10 Brick/ block walling C5 7 Aug 2017 L37 External stair, ramps, handrail and balustrades 0 10 Sep 2015 systems Q10 Kerbs/ edgings/ channels/ paving accessories C3 20 Apr 2017 Q22 Asphalt roads/ pavings 1 7 Sep 2015 Q23 Gravel/ Hoggin/ Woodchip/ Resin bound roads/ 2 20 Apr 2017 paving/ overlays Q25 Slab/brick/sett/cobble pavings C5 27 Jul 2017 Q26 Special surfacings/ pavings for sport/ general 1 20 Apr 2017 amenity Q28 Topsoil and soil ameliorants 1 10 Sep 2015 Q30 Seeding/turfing 1 7 Sep 2015 Q31 External planting C3 20 Apr 2017 Q35 Landscape maintenance C5 7 Aug 2017 Q37 Green roofs 0 10 Sep 2015 Q40 Fencing C5 7 Aug 2017 Q50 Site/street furniture/equipment C5 7 Aug 2017 Q52 Play and sports equipment C3 20 Apr 2017 Q55 External decks, boardwalks and bridges 0 10 Sep 2015 R13 Land drainage 0 10 Sep 2015 V91 Electrical systems - landscape C5 27 Jul 2017 Z10 Purpose made joinery 0 10 Sep 2015 Z11 Purpose made metalwork 0 10 Sep 2015 Z12 Preservative/ fire retardant treatment 0 10 Sep 2015 Z20 Fixings and adhesives 0 10 Sep 2015 Z21 Mortars 0 10 Sep 2015 Z31 Powder coatings 0 10 Sep 2015 Table of Contents
Title Page
B91 Buildings in the landscape 4
F10 Brick/ block walling 7
L37 External stair, ramps, handrail and balustrades systems 11
Q10 Kerbs/ edgings/ channels/ paving accessories 14
Q22 Asphalt roads/ pavings 20
Q23 Gravel/ Hoggin/ Woodchip/ Resin bound roads/ paving/ 23 overlays
Q25 Slab/brick/sett/cobble pavings 26
Q26 Special surfacings/ pavings for sport/ general amenity 33
Q28 Topsoil and soil ameliorants 37
Q30 Seeding/turfing 45
Q31 External planting 49
Q35 Landscape maintenance 56
Q37 Green roofs 67
Q40 Fencing 70
Q50 Site/street furniture/equipment 75
Q52 Play and sports equipment 81
Q55 External decks, boardwalks and bridges 87
R13 Land drainage 91
V91 Electrical systems - landscape 93
Z10 Purpose made joinery 96
Z11 Purpose made metalwork 98
Z12 Preservative/ fire retardant treatment 101
Z20 Fixings and adhesives 103
Z21 Mortars 106
Z31 Powder coatings 109 B91 Buildings in the landscape Revision C3
Section Revision History
No. Purpose 0 Issue for tender 28th Sep 2015 C3 Construction Issue 3 20th Apr 2017
Clauses amended in Revision C3
No. Clause 340A CYCLE STORE Revised 341B BIN STORE Revised FHA604S01 Dover Court B91 - Revision C3 7 Aug 2017
B91 Buildings in the landscape
SYSTEM OUTLINE
105 PROPRIETARY SMALL BUILDINGS/ STRUCTURES ST • Building type: Bin and Cycle Store. • Services requirements: Green roof.
PRODUCTS
340A CYCLE STORE ST1 To Pollard Edward Thomas Architects Specifications. (Revised - B91 revision C3 - 20th Apr 2017)
341A BIN STORE ST2 • Manufacturer: Falco UK or similar, http://www.falco.co.uk/products/shelters-canopies- cabins/bin-stores/. - Product reference: FalcoLok. • Size: as design intent drawing FHA-604-D-621. • Frame: As standard. • Panels: Timber cladding. • Roof covering: Green roof, as section Q37. • Accessibility: In accordance with BS 8300. • Accessories/ Special requirements: 200mm roof to allow 100mm substract, concealed, vandal proof fixings. • Method of fixing to ground or base: Rooted posts set in concrete. Concrete foundation to be 100mm below surface..
341B BIN STORE ST3 • Manufacturer: Bespoke Falco UK or similar, http://www.falco.co.uk/products/shelters- canopies-cabins/bin-stores/. - Product reference: FalcoLok. • Size: as design intent drawing FHA-604-D-622. • Frame: As standard. • Panels: Polyester powder coated panels and galvanised steel as drawing.. • Roof covering: No roof. • Accessibility: In accordance with BS 8300. • Accessories/ Special requirements: 2 no 'Curve VR' luminaires or similar with timer swich. • Method of fixing to ground or base: Rooted posts set in concrete. Concrete foundation to be 100mm below surface.. (Revised - B91 revision C3 - 20th Apr 2017)
EXECUTION/ ERECTION/ INSTALLATION
600 ERECTION/ INSTALLATION GENERALLY • Frameworks: Assemble and brace, including temporary members required for installation. • Contact between dissimilar metals: Avoid. • Fixings: Fully bolt together. Tighten bolts. • Temporary support: Do not subject members to non-design loadings.
605 JOINTING/ FIXING GENERALLY • Generally: Where not specified precisely, select methods of jointing and fixing and types, sizes and spacings of fasteners in compliance with section Z20.
B91-Buildings in the landscape Page 4 of 111 FHA604S01 Dover Court B91 - Revision C3 7 Aug 2017
610 CONCRETE FOUNDATIONS GENERALLY • Concrete: To BS 8500-2. • Mix: Designated concrete not less than GEN 1 or standard prescribed concrete not less than ST2. • Admixtures: Do not use. • Depth of foundations, bedding, haunching: Appropriate to provide adequate support and to receive overlying soft landscape or paving finishes. • Foundation holes: Neat vertical sides. • Components: Accurately positioned and securely supported. • Concrete fill: Compact as filling proceeds. • Concrete foundations exposed to view: Compact until air bubbles cease to appear on the upper surface, then weather to shed water and trowel smooth. • Temporary component support: Maintain undisturbed for minimum 48 hours.
615 SETTING COMPONENTS IN EARTH • Holes: Excavated by appropriate means to be as small as practicable. • Components: Position accurately and support securely. • Buried depth (minimum): 250 mm. • Earth fill: Ram well as filling proceeds.
630 ERECTION OF PREFABRICATED BUILDINGS/ STRUCTURES • Checking: Five days (minimum) before proposed erection date, check foundations, holding down bolts, etc. • Inaccuracies or defects in prepared bases or supplied buildings/ structures: Report immediately. Obtain instructions before proceeding.
635 INSTALLATION OF TIMBER FLOORING/SURFACING • Joints: Keep to a minimum, and form only as butt joints situated over joists. • Length: Each board must span not less than two bays between joists with joints in adjacent boards staggered. • Gaps between boards: 2-5 mm.
640 SITE PAINTING AND STAINING • Timing: Prepare surfaces and apply finishes as soon as possible after installing components.
645 MAKING GOOD GALVANIZED SURFACES • Minor damage in areas up to 40 mm² (including on fixings and fittings): Make good. - Material: Low melting point zinc alloy repair rods or powders made for this purpose or at least two coats of zinc-rich paint to BS 4652. - Thickness: Sufficient to provide a zinc coating at least equal to the original layer.
650 MAKING GOOD TREATED TIMBER • Surfaces exposed by minor cutting and/ or drilling: Treat by immersion or apply two flood coats of a solution recommended for the purpose by main treatment solution manufacturer. • Heavily worked sections: Re-treat. • Cutting and machining: Cut and machine timber as much as possible before treatment. • Extensively processed timber: Retreat timber sawn lengthways, planed, ploughed, etc.
B91-Buildings in the landscape Page 5 of 111 F10 Brick/ block walling Revision C5
Section Revision History
No. Purpose 0 Issue for tender 10th Sep 2015 C5 Construction 7th Aug 2017
Clauses amended in Revision C5
No. Clause 395 DAMP PROOF COURSE BRICKWORK Added FHA604S01 Dover Court F10 - Revision C5 7 Aug 2017
F10 Brick/ block walling
TYPES OF WALLING
110A CLAY FACING BRICKWORK W2 • Bricks: To BS EN 771-1. - Product reference:: yellow brick to match PTE Architects specification. • Mortar: As section Z21. - Mix: To structural enginners detail and specification. • Bond: Flemish, refer to detail 01/D-501. • Joints: Bucket handle. • Features: Brick capping as detailed.
110B CLAY FACING BRICKWORK W3 • Bricks: To BS EN 771-1. - Product reference:: yellow brick to match PTE Architects specification. • Mortar: As section Z21. - Mix: To structural enginners detail and specification. • Bond: Half lap stretcher, refer to detail 02/D-501. • Joints: Bucket handle. • Features: Brick capping as detailed.
110C CLAY FACING BRICKWORK W4 • Bricks: To BS EN 771-1. - Product reference:: yellow brick to match PTE Architects specification. • Mortar: As section Z21. - Mix: To structural enginners detail and specification. • Bond: Flemish with protuded bricks, refer to detail 03/D-501. • Joints: Bucket handle. • Features: Brick capping as detailed.
110D CLAY FACING BRICKWORK W5 • Bricks: To BS EN 771-1. - Product reference:: yellow brick to match PTE Architects specification. • Mortar: As section Z21. - Mix: To structural enginners detail and specification. • Bond: Flemish with protuded bricks, refer to detail 01/D-502. • Joints: Bucket handle. • Features: Brick capping as detailed.
110E CLAY FACING BRICKWORK W6 • Bricks: To BS EN 771-1. - Product reference:: yellow brick to match PTE Architects specification. • Mortar: As section Z21. - Mix: To structural enginners detail and specification. • Bond: Flemish with protuded bricks, refer to detail 02/D-502. • Joints: Bucket handle. • Features: Brick capping as detailed.
F10-Brick/ block walling Page 7 of 111 FHA604S01 Dover Court F10 - Revision C5 7 Aug 2017
395 DAMP PROOF COURSE BRICKWORK • Bricks to BS EN 771-1. - Manufacturer: Same as wall bricks.. - Product reference: To match architectural elevations. - Type: HD. - Water absorption: Refer to Calford Seaden K140890-S(0)0002. - Net dry density: Refer to Calford Seaden K140890-S(0)0002. - Freeze/ Thaw category: F2. - Active soluble salts content category: S2. - Additional requirements: None. • Mortar: As section Z21. - Standard: BS EN 1996-1-1. - Mix: Refer to Calford Seaden K140890-S(0)0002. - Additional requirements: Refer to Calford Seaden K140890-S(0)0002. • Bond: Matching wall type. • Joints: Matching wall type. (Added - F10 revision C5 - 7th Aug 2017)
WORKMANSHIP GENERALLY
500 LAYING GENERALLY • Mortar joints: Fill vertical joints. Lay bricks, solid and cellular blocks on a full bed. • AAC block thin mortar adhesive and gypsum block adhesive joints: Fill vertical joints. Lay blocks on a full bed. • Clay block joints: - Thin layer mortar: Lay blocks on a full bed. - Interlocking perpends: Butted. • Bond where not specified: Half lap stretcher. • Vertical joints in brick and concrete block facework: Even widths. Plumb at every fifth cross joint.
535 HEIGHT OF LIFTS IN WALLING USING CEMENT GAUGED OR HYDRAULIC LIME MORTAR • Quoins and advance work: Rack back. • Lift height (maximum): 1.2 m above any other part of work at any time. • Daily lift height (maximum): 1.5 m for any one leaf.
560 COURSING BRICKWORK • Gauge: Four brick courses including bed joints to 300 mm.
561 COURSING BRICKWORK WITH EXISTING • Gauge: Line up with existing brick courses.
635 JOINTING • Profile: Consistent in appearance.
645 ACCESSIBLE JOINTS NOT EXPOSED TO VIEW • Jointing: Struck flush as work proceeds.
F10-Brick/ block walling Page 8 of 111 FHA604S01 Dover Court F10 - Revision C5 7 Aug 2017
690 ADVERSE WEATHER • General: Do not use frozen materials or lay on frozen surfaces. • Air temperature requirements: Do not lay bricks/ blocks: - In cement gauged mortars when at or below 3°C and falling or unless it is at least 1°C and rising. - In hydraulic lime:sand mortars when at or below 5°C and falling or below 3°C and rising. - In thin joint mortar glue when outside the limits set by the mortar manufacturer. • Temperature of walling during curing: Above freezing until hardened. • Newly erected walling: Protect at all times from: - Rain and snow. - Drying out too rapidly in hot conditions and in drying winds.
ADDITIONAL REQUIREMENTS FOR FACEWORK
710 THE TERM FACEWORK • Definition: Applicable in this specification to all brick/ block walling finished fair. - Painted facework: The only requirement to be waived is that relating to colour.
750 COLOUR CONSISTENCY OF MASONRY UNITS • Colour range: Submit proposals of methods taken to ensure that units are of consistent and even appearance within deliveries. • Conformity: Check each delivery for consistency of appearance with previous deliveries and with approved reference panels; do not use if variation is excessive. • Finished work: Free from patches, horizontal stripes and racking back marks.
760 APPEARANCE • Brick/ block selection: Do not use units with damaged faces or arrises. • Cut masonry units: Where cut faces or edges are exposed cut with table masonry saw. • Quality control: Lay masonry units to match relevant reference panels. - Setting out: To produce satisfactory junctions and joints with built-in elements and components. - Coursing: Evenly spaced using gauge rods. • Lifts: Complete in one operation. • Methods of protecting facework: Submit proposals.
780 GROUND LEVEL • Commencement of facework: Not less than 150 mm below finished level of adjoining ground or external works level.
800 TOOTHED BOND • New and existing facework in same plane: Bond together at every course to achieve continuity.
830 CLEANLINESS • Facework: Keep clean. • Mortar on facework: Allow to dry before removing with stiff bristled brush. • Removal of marks and stains: Rubbing not permitted.
F10-Brick/ block walling Page 9 of 111 L37 External stair, ramps, handrail and balustrades systems
Section Revision History
No. Purpose 0 Issue for tender 10th Sep 2015
Clauses amended in Revision 0
This is the first revision stamp for this section. For all future revision stamps, details of all clauses amended at that revision will be included here. FHA604S01 Dover Court L37 - Revision 0 7 Aug 2017
L37 External stair, ramps, handrail and balustrades systems
GENERAL
110A STAIR SYSTEMS ST- • Type: Built in situ. • Base/ Fabric: Reinforced concrete, to structural engineers details and soecification. • Surface: As clauses Q25/317-. - Finish: Not required. • Unobstructed width: As plan drawings. • Accessories: - Applied stair nosings strip; - Hazard warning as section Q25/320-; and - Handrail system.
150A HANDRAIL SYSTEMS R8 To Steps and Ramp • System manufacturer: Contractor's choice. • Material: Stainless Steel. - Cross section: 50x10mm bar and 50x10mm uprighs. - Finish: brushed. • Height (to upper surface of handrail): - Above pitch line: 900 mm. - Above landing: As drawing. • Accessories: fixing below step block (min 160mm below step level).
FABRICATION
510 FABRICATION GENERALLY • Design: Complete the detailed design and obtain approval prior to commencing fabrication. • Shop drawings: Submit. • Structural calculations: Submit. • Frameworks: Assemble and brace, including temporary members required for installation. • Contact between dissimilar metals: Avoid. • Fixings: Fully bolt together. Tighten bolts. • Temporary support: Do not subject members to non-design loadings.
EXECUTION
610 LOADING • Site activities: Restrict, to ensure that design loads are not exceeded, or submit proposals for temporary supports.
620 CONCRETE FOUNDATIONS GENERALLY • Standard: To BS 8500-2. • Concrete: Designated not less than GEN 1 or standard prescribed not less than ST2. • Admixtures: Do not use. • Foundation holes: Neat vertical sides. • Depth of foundations, bedding, haunching: Appropriate to provide adequate support and to receive overlying soft landscape or paving finishes.
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630 SETTING COMPONENTS IN CONCRETE • Holes: 250 x 250 x minimum 300 mm deep. minimum of 100mm below FFL. • Components: Accurately positioned and securely supported. • Concrete fill: Compact as filling proceeds. • Concrete foundations exposed to view: Finished to weathering profile to shed water and trowel smooth. • Temporary component support: Maintain undisturbed for minimum 48 hours.
640 PRESERVATIVE TREATED TIMBER • Surfaces exposed by minor cutting and drilling: Treated by immersion or with two flood coats of a solution recommended for the purpose by main treatment solution manufacturer. • Heavily worked sections: Re-treat.
650 INSTALLATION GENERALLY • Fasteners: To section Z20. • Structural members: Do not modify, cut, notch or make holes in structural members, except as indicated on drawings. • Temporary support: Do not use finished work as temporary support or strutting for other work. • Applied finishes: Substrates to be even, dry, sound and free from contaminants. Make good substrate surfaces and prepare/ prime as finish manufacturer's recommendation before application.
662 ADVERSE WEATHER • General: Do not use frozen materials and do not lay on frozen surfaces. • Working limits: Do not lay blocks/ dressings: - Cement gauged mortars: When the air temperature is at or below 3°C and falling or below 1°C and rising (unless mortar has a temperature of not less than 4°C when laid and work is thoroughly protected). - Hydraulic lime:sand mortars: When the air temperature is at or below 5°C and falling or below 3°C and rising. • Temperature of the work: Maintain above freezing until mortar has fully set. • Newly erected work: Protect from precipitation; Prevent rapid drying in hot conditions. • Remedial work: Rake out and replace mortar damaged by frost. - Damaged work: Rebuild.
COMPLETION
910 INSPECTION • Timing: Give reasonable notice before covering up. • Period of notice (minimum): 3 working days.
L37-External stair, ramps, handrail and balustrades Page 12 of 111 systems Q10 Kerbs/ edgings/ channels/ paving accessories Revision C3
Section Revision History
No. Purpose 0 Issue for Tender 14th Aug 2015 1 Issue for tender 28th Sep 2015 2 C1 construcction issue 15 Jul 2016 20th Apr 2017 C3 Construction issue 3 20th Apr 2017
Clauses amended in Revision C3
No. Clause 112A PRECAST CONCRETE Revised 112B PRECAST CONCRETE Revised FHA604S01 Dover Court Q10 - Revision C3 7 Aug 2017
Q10 Kerbs/ edgings/ channels/ paving accessories
To be read with Preliminaries/General conditions.
TYPES OF KERBS/EDGINGS AND CHANNELS
110 PROPRIETARY PRECAST CONCRETE E2 • Standard: To BS EN 1340. • Manufacturer: Hardscape, www.hardscape.co.uk. • - Product reference: Lavaro kerb. • Recycled content: 70% natural stone aggregate. • Designations: Flush kerb. • Size (width x height x length): 80x 200x 1000mm. • Special shapes: not required. • Finish: Exposed aggregate. • Colour: GIG. • Bedding: Cement mortar. • Joints generally: Tooled coloured mortar. • Sealant movement joints: Not required. • Accessories: None.
112 PRECAST CONCRETE E3 • Standard: To BS EN 1340. • Recycled content: Contractor's choice. • Designations: Half battered. • Size (width x height x length): to match existing (125 x 255 x 915 mm). • Special shapes: Dropper kerbs left and right side of footway crossings. • Finish: Exposed aggregate. • Colour: Grey. • Bending strength: Class 2. • Weathering resistance: Class 2. • Abrasion resistance: Class 3. • Slip/ skid resistance: PTV to BS 7976-2 of 40 (water) wet (min). • Bedding: Cement mortar. • Joints generally: Tooled mortar. • Sealant movement joints: Not required. • Accessories: None.
Q10-Kerbs/ edgings/ channels/ paving accessories Page 14 of 111 FHA604S01 Dover Court Q10 - Revision C3 7 Aug 2017
112A PRECAST CONCRETE E4 and E5 • Standard: To BS EN 1340. • Recycled content: As supplied. • Designations: Marshalls Conservation - Half battered Kerb. • Size E4 (width x height x length): 255 x 205 x 915mm). • Size E5 (width x height x length): [255 x 205 x 915mm)] • Special shapes: Dropper kerbs left and right side of footway crossings. • Finish: Exposed aggregate. • Colour: Silver grey. • Bending strength: Class 2. • Weathering resistance: Class 2. • Abrasion resistance: Class 3. • Slip/ skid resistance: PTV to BS 7976-2 of 40 (water) wet (min). • Bedding: Cement mortar. • Joints generally: Tooled mortar. • Sealant movement joints: Not required. • Accessories: Dropped kerbs and flush kerbs (E5) as per dwgs. (Revised - Q10 revision C3 - 20th Apr 2017)
112B PRECAST CONCRETE E6 and E7 • Standard: To BS EN 1340. • Recycled content: As supplied. • Designations: Marshalls Conservation Kerbs. • Size E6 and E7 (width x height x length): 145 x 255 x 915mm). • Size E5 (width x height x length): [145 x 255 x 915mm)] • Special shapes: Dropper kerbs left and right side of footway crossings. • Finish: Exposed aggregate. • Colour: E6 Silver grey. E7 Charcoal. • Bending strength: Class 2. • Weathering resistance: Class 2. • Abrasion resistance: Class 3. • Slip/ skid resistance: PTV to BS 7976-2 of 40 (water) wet (min). • Bedding: Cement mortar. • Joints generally: Tooled mortar. • Sealant movement joints: Not required. • Accessories: None. (Revised - Q10 revision C3 - 20th Apr 2017)
140A METAL EDGE SYSTEMS Edge type E1 • Manufacturer: Rite Edge, www.rite-edge.com or similar. - Product reference: Aluminium Rite-L-Edge C575 (75mm) to resin bound gragel surfacing and C578 (100mm) to Balls Pound Road access paths to Blocks A and B. • Finish: as supplied. • Colour: Natural. • Accessories: anchors. • Bedding: fixed to compacted sub-base.
170A LINEAR SLOT DRAINAGE CHANNEL SYSTEMS • Manufacturer: ACO or similar, http://www.aco.co.uk/. - Product reference: MultiDrain MD Brickslot. • Bedding and Accessories: to enginners detail and specification.
Q10-Kerbs/ edgings/ channels/ paving accessories Page 15 of 111 FHA604S01 Dover Court Q10 - Revision C3 7 Aug 2017
180A DRAINAGE CHANNEL SYSTEMS WITH GRATINGS • Manufacturer: ACO or similar, http://www.aco.co.uk/. - Product reference: MultiDrain M100DS with steel edge rails. • Size and accesoiries: to enginners detail and specification. • Cover gratings: 12654DL / 12655DL Perforated stainless steel. - Fixings: Anti-vandal security catches. - Finish/ Colour: Silver.
ROADS/PAVING ACCESSORIES/MARKING/DEMARCATION
395A ROAD MARKING (THERMOPLASTIC) To parking bays on road (Asphalt) • Standard: Road Safety Markings Association standard specification document for road marking and road studs (StanSpec). • Manufacturer: Contractor's choice. - Product reference: Contractor's choice. • Colour: White. • Retroreflectivity to BS EN 1436: Class R2.
LAYING
510 LAYING KERBS, EDGINGS AND CHANNELS • Cutting: Neat, accurate and without spalling. Form neat junctions. - Long units (450 mm and over) minimum length after cutting: 300 mm. - Short units minimum length after cutting: The lower of one third of their original length or 50 mm. • Bedding of units: Positioned true to line and levelled along top and front faces, in a mortar bed on accurately cast foundations or on a race of fresh concrete. • Securing of units: After bedding has set, secured with a continuous haunching of concrete or on a race of fresh concrete with backing concrete cast monolithically.
520 ADVERSE WEATHER • Conditions: Do not construct if the temperature is below 3°C on a falling thermometer or 1° C on a rising thermometer. Adequately protect foundations, bedding and haunching against frost and rapid drying by sun and wind.
530 CONCRETE FOR FOUNDATIONS, RACES AND HAUNCHING • Standard: To BS 8500-2. • Designated mix: Not less than GEN0 or Standard mix ST1. • Workability: Very low.
540 CEMENT MORTAR BEDDING • General: To section Z21. • Mix (Portland cement:sand): 1:3. - Portland cement: Class CEM I 42.5 to BS EN 197-1. - Sand: to BS EN 12620, grade 0/4 or 0/2 (MP). • Bed thickness: 12-40 mm.
547 BEDDING/BACKING OF UNITS ON FRESH CONCRETE RACES • Standard: To BS 7533-6.
Q10-Kerbs/ edgings/ channels/ paving accessories Page 16 of 111 FHA604S01 Dover Court Q10 - Revision C3 7 Aug 2017
550 KERB DOWELS • Dowels: Steel bar to BS 4482. - Size: 12 mm diameter, 150 mm long. • Installation of dowels: Vertically into foundation while concrete is plastic. - Centres: To suit holes in kerbs. - Projection: 75 mm. • Grouting of holes in kerbs: Filled with 1:3 cement:sand mortar finished flush.
560 HAUNCHING DOWELS • Dowels: Steel bar to BS 4482. - Size: 12 mm diameter, 150 mm long. • Installation of dowels: Vertically into foundation while concrete is plastic. - Centres: 450 mm. - Distance from back face of kerb: 50 mm. - Projection: 75 mm. • Haunching: Rectangular cross section, cast against formwork, fully enclosing and protecting dowels.
570 CHANNELS • Installation: To an even gradient, without ponding or backfall. • Lowest points of channels: 6 mm above drainage outlets.
580 DRAINAGE CHANNEL SYSTEMS • Installation: To an even gradient, without ponding or backfall. Commence laying from outlets. • Silt and debris: Removed from entire system immediately before handover. • Washing and detritus: Safely disposed without discharging into sewers or watercourses.
590 DRAINAGE CHANNEL SYSTEMS WITH BUILT IN FALL • Installation: Top of channels level, installed in correct sequence to form an even gradient without ponding or backfall. Commence laying from outlets. • Silt and debris: Removed from entire system immediately before handover. • Washings and detritus: Safely disposed without discharging into sewers or watercourses.
600 RADIUS KERBS/CHANNELS • Usage: Radii of 15 m or less.
610 ANGLE KERBS • Usage: Internal and external 90° changes of direction. • Cutting of mitres: Not permitted.
620 ACCURACY • Deviations (maximum): - Level: ± 6 mm. - Horizontal and vertical alignment: 3 mm in 3 m.
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625 REGULARITY OF PAVED SURFACES • Maximum undulation of (non-tactile) paving surface: 3 mm. - Method of measurement: Under a 1 m straight edge placed anywhere on the surface (where appropriate in relation to the geometry of the surface). • Difference in level between adjacent units (maximum): - Joints flush with the surface: Twice the joint width (with 5 mm max difference in level). - Recessed, filled joints: 2 mm. Recess depth (maximum): 5 mm. - Unfilled joints: 2 mm. • Sudden irregularities: Not permitted.
630 NARROW MORTAR JOINTS • Jointing: Ends of units buttered with bedding mortar as laying proceeds. Joints completely filled, tightly butted and surplus mortar removed immediately. - Joint width: 3 mm.
641 TOOLED COLOURED MORTAR JOINTS • Jointing: Ends of units buttered with bedding mortar as laying proceeds. Joints completely filled and raked out to a depth of 10 mm for pointing. - Joint width: 6 mm. • Pointing: Joints refilled and tooled to a neat flush profile. - Pointing mortar: 1:3 cement:sand. - Pigment colour: Colour match to kerbs.
Q10-Kerbs/ edgings/ channels/ paving accessories Page 18 of 111 Q22 Asphalt roads/ pavings Revision 1
Section Revision History
No. Purpose 0 Issue for Tender 14th Aug 2015 1 Issue for tender 7th Sep 2015
Clauses amended in Revision 1
No. Clause 127A POROUS (COLOURED) ASPHALT CONCRETE PAVING Revised 140A HOT ROLLED ASPHALT PAVING Added 345 ACCURACY FOR BASES BENEATH SPORTS SURFACING Revised FHA604S01 Dover Court Q22 - Revision 1 7 Aug 2017
Q22 Asphalt roads/ pavings
TYPES OF PAVING
127A POROUS (COLOURED) ASPHALT CONCRETE PAVING S4 • Standard: To BS EN 13108-7. • Product reference: 'UniColour' from Lafarge Tarmac or similar. • Base and sub-base: To structural enginneers detail. Surface course: - Finish: Contractor to submit proposals Colour A: Light green; Colour B: Darker green. (Revised - Q22 revision 1 - 7th Sep 2015)
140A HOT ROLLED ASPHALT PAVING P10 • To structural enginners detail and specification (Added - Q22 revision 1 - 7th Sep 2015)
PREPARATORY WORK/ REQUIREMENTS
220 BITUMINOUS MATERIALS GENERALLY • Suppliers names: Submit. - Timing (minimum): Two weeks before starting work. • Test certificates: At the time of delivery for each manufacturing batch submit certificate: - Confirming compliance with this specification and the relevant standard. - Stating full details of composition of mix.
240 ACCEPTANCE OF SURFACES • Surface: Sound, clean and suitably close textured. • Level tolerances: To BS 594987. • Kerbs and edgings: Complete, adequately bedded and haunched and to the required levels.
LAYING
310 LAYING GENERALLY • Preparation: Remove all loose material, rubbish and standing water. • Adjacent work: Form neat junctions. Do not damage. • Channels, kerbs, inspection covers etc: Keep clean. • New paving: - Keep traffic free until it has cooled to prevailing atmospheric temperature. - Do not allow rollers to stand at any time. - Prevent damage. - Lines and levels: With regular falls to prevent ponding. - Overall texture: Smooth, even and free from dragging, tearing or segregation. - State on completion: Clean.
Q22-Asphalt roads/ pavings Page 20 of 111 FHA604S01 Dover Court Q22 - Revision 1 7 Aug 2017
320 ADVERSE WEATHER • Frozen materials: Do not use. • Suspend laying: - During freezing conditions - If the air temperature reaches 0°C, or in calm dry conditions -3°C, on a falling thermometer. - Hot rolled asphalt: During periods of continuous or heavy rain or if there is standing water on the base.
330 LEVELS • Permissible deviation from the required levels, falls and cambers (maximum): In accordance with BS 594987, clause 5.2.
345 ACCURACY FOR BASES BENEATH SPORTS SURFACING • Profile: Crown. • Gradients in any direction: Not greater than As levels plan drawings FHA-604-PH1-L-301 to 303. • Surface regularity: To BS 7044-4. • Sudden irregularities: Not permitted. (Revised - Q22 revision 1 - 7th Sep 2015)
Q22-Asphalt roads/ pavings Page 21 of 111 Q23 Gravel/ Hoggin/ Woodchip/ Resin bound roads/ paving/ overlays Revision 2
Section Revision History
No. Purpose 0 Issue for Tender 14th Aug 2015 1 Issue for tender 7th Sep 2015 2 C1 construction issue 15 Jul 2016 20th Apr 2017
Clauses amended in Revision 2
No. Clause 225A PROPRIETARY RESIN BOUND CHIPPINGS Revised FHA604S01 Dover Court Q23 - Revision 2 7 Aug 2017
Q23 Gravel/ Hoggin/ Woodchip/ Resin bound roads/ paving/ overlays
TYPES OF SURFACING
225A PROPRIETARY RESIN BOUND CHIPPINGS S2 • Sub-base, Base courses and layers thickness: refer to detail 02 and 05/D-201 and structural engineers detail and specification. • Surface course: - Manufacturer: DekorGrip, www.dekorgrip.com or similar. Product reference: Dekor Bound. - Slip/ skid resistance: PTV to BS 7976-2 of 40 (water) wet. - Binder: to manufacturers specification. - Chippings: Angular chippings. Colour: Oatmeal. - Aggregate size: 6 mm. Application: Thoroughly mixed and uniformly spread. - Compaction to all layers: By heavy roller or other appropriate means, adequate to resist subsidence or deformation of the completed roads/ pavings when in use. • Edging: Aluminium edge as Q10/140A (Revised - Q23 revision 2 - 20th Apr 2017)
LAYING
315 MATERIALS • Compatibility: Chippings suitable for use with respective binders/ emulsions/ resin/ epoxy.
320 SAMPLES • Submit: Representative samples of all aggregates.
330 HERBICIDE TO PAVING Q23/ 225A • Type: Suitable for the application, location and conditions of use. • Weeds and moss: Grub up. • Application: As section A34, before surfacing.
340 LAYING GENERALLY • Channels, gullies, etc: Keep clear. • Finished surfaces: - Lines and levels: To prevent ponding. - Overall texture: Even. - State at completion: Clean.
350 COLD WEATHER WORKING • Frozen materials: Do not use. • Freezing conditions: Do not lay pavings. • Cold bituminous surface dressings: Do not apply when ambient temperature is below 10°C. • Other dressings or overlays: As manufacturers' recommendations.
370 LAYING GRANULAR SURFACES IN VEHICULAR AREAS • Permissible deviation from required levels, falls and cambers (maximum): ±20mm. • General: Spread and level in 150 mm maximum layers. As soon as possible compact each layer. • Dry weather: Lightly water layers during compaction.
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380 LAYING GRANULAR SURFACES IN PEDESTRIAN AREAS • Permissible deviation from required levels, falls and cambers (maximum): ±12 mm. • General: Spread and level in 100 mm maximum layers. As soon as possible, compact each layer. • Dry weather: Lightly water layers during compaction.
390 PROTECTION FROM TRAFFIC AND PLANT • Paved areas: Restrict access to prevent damage.
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Section Revision History
No. Purpose 0 Issue for Tender 14th Aug 2015 1 Issue for tender 28th Sep 2015 2 C1 construction issue 15 Jul 2016 20th Apr 2017 C2 Accessibility comments 10 Oct 2016 20th Apr 2017 C5 Construction 27th Jul 2017
Clauses amended in Revision C5
No. Clause 315A CONCRETE FLAGS Revised FHA604S01 Dover Court Q25 - Revision C5 7 Aug 2017
Q25 Slab/brick/sett/cobble pavings
GENERAL
110A NATURAL STONE SLAB PAVING SYSTEM Granite slab paving • Base and sub-bases: to structural engineers detail and specification. Laying course: mortar. Paving units: Natural stone slabs. • Jointing: coloured mortar - dark grey, contractor to submit proposals and samples for approval. - Bond: As drawings. • Accessories: to engineers detail.
111 NATURAL STONE SLAB TACTILE PAVING SYSTEM Granite slab paving Blister finish to DDA Standard • Base and sub-bases: to structural engineers detail and specification. Laying course: mortar. Paving units: 400x400x60mm granite slabs.Granite to match surrounding paving as Q25/310A. • Jointing: coloured mortar - dark grey, contractor to submit proposals and samples for approval. - Bond: As drawings. • Accessories: to engineers detail.
120A CONCRETE FLAG PAVING SYSTEM Concrete Flags • Base and sub-bases: to structural engineers detail and specification. Laying course: Sand. Paving units: Concrete flags. • Jointing: Sand. - Bond: As indicated on drawings. • Accessories: None.
135A PC BLOCK PAVING SYSTEM Permeable Brick paving to structural engineers detail and specification - Bond: [as detail drawings FHA-D-206, 205, 204].
140A NATURAL STONE SETT PAVING SYSTEM Granite Sett paving • Base and sub-bases: to structural engineers detail and specification. Laying course: Mortar. Paving units: Natural stone setts. • Jointing: coloured mortar - match stone colour, contractor to submit proposals and samples for approval. - Bond: As drawings.
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PRODUCTS
310A NATURAL STONE SLABS S1 • Standard: To BS EN 1341. • Supplier: Hardscape or similar. - Product reference: Mid Grey Granite 'Kobra'. - Quarry: Fujian, China. • Petrographical description/ stone type: Granite. • Finish: Flamed. • Sizes: Refer to detail 01/D201. 500mm wide, random lengths, thickness to structural engineers detail and specification. - Plan dimension deviation class: P1. - Diagonal deviation class: D2. - Thickness deviation class: T0. • Arrises: Square. • Surface treatment: None. Jointing and mortar colourt refer to detail drawing.
310B NATURAL STONE SLABS. CROPPED FACE S1 • Standard: To BS EN 1341. • Supplier: Hardscape or similar. - Product reference: Mid Grey Granite 'Kobra'. - Quarry: Fujian, China. • Petrographical description/ stone type: Granite. • Finish: Cropped. • Sizes: Refer to detail 01/D201. 500mm wide, random lengths, thickness to structural engineers detail and specification. - Plan dimension deviation class: P1. - Diagonal deviation class: D2. - Thickness deviation class: T0. • Arrises: Square. • Surface treatment: None. Jointing and mortar colourt refer to detail drawing.
315A CONCRETE FLAGS S5 • Standard: To BS EN 1339. - Manufacturer: Hardscape, www.hardscape.co.uk or similar. Product reference: Lavaro. • Recycled content: as manufactured. • Colour: GEEL. - Finish: as supplied. - Nominal sizes: Refer to detail 01/D204. 200mm wide x(300 x 62mm thick. • Arrises: Square. (Revised - Q25 revision C5 - 27th Jul 2017)
316A CONCRETE FLAGS S12 • Manufacturer: Marshalls plc. or similar. - Web: www.marshalls.co.uk. - Email: [email protected]. - Product reference: Conservation Textured Paving • Size: 450 x 600 x 63 mm. • Colour: Silver grey. • Fibre reinforcement: Not required. • Accessories: none.
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317A STEPS ST1 • Standard: To BS EN 1339. - Manufacturer: Hardscape, www.hardscape.co.uk or similar. Product reference: 'Lavaro'. • Recycled content: as suplied. • Colour: WIT 701. - Finish: as supplied. - Nominal sizes: 500x150x1000mm. • Accessories: DDA compliant nosing and visibility strip.
317B STEPS ST2 • Standard: To BS EN 1339. - Manufacturer: Hardscape, www.hardscape.co.uk or similar. Product reference: 'Lavaro'. • Recycled content: as suplied. • Colour: WIT 701. - Finish: as supplied. - Nominal sizes: 400x150x1000mm. • Accessories: DDA compliant nosing and visibility strip.
317C STEPS ST3 • Standard: To BS EN 1339. - Manufacturer / product reference: to match surfacing S1, (Q25/310A). - Nominal sizes: 400x800x100mm. • Accessories: as detail drawing.
320A TACTILE corduroy hazard warning strips • Standard: To DD CEN/TS 15209. • Material: Stainless steel. - Manufacturer: Urban Finish or similar, www.urbanfinish.com/. Product reference: TopGrip Strips. • Recycled content: Not applicable. • Nominal sizes: 20x6mm half round fittings strips to meet Part M requirement. • Colour: Natural. • Type of surface: corduroy hazard warning strips retro-fitted into paving.
320B TACTILE corduroy hazard warning studs • Standard: To DD CEN/TS 15209. • Material: Stainless steel. - Manufacturer: Urban Finish or similar, www.urbanfinish.com/. Product reference: TopGrip Studs. • Recycled content: Not applicable. • Nominal sizes: 25-16mm diameter x 5.0mm studs to meet Part M requirement. • Colour: Natural. • Type of surface: corduroy hazard warning studs retro-fitted into paving.
325A PC BLOCKS S7 and S7a • Manufacturer: Marshalls. - Product reference: Priora. • Recycled content: N/a. • Sizes: 160x240x80mm. • Special shapes: N/a. • Colour: Charcoal. • Bond: herringbone; S7a: running bond.
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330A NATURAL STONE SETTS S13 • Standard: To BS EN 1342. • Supplier: Contractor's choice. - Product reference: Granite, to LBI Highways standard. - Colour: mix- Black 40%, Dark grey 30%, Mid grey 30%. Petrographical description/ stone type: Granite. • Finish: Flamed. • Sizes: 200 x 100 x 100 mm. - Plan dimension and thickness deviation: Class 2. • Special setts: none. - Tolerances on undercut of sides: No requirement. - Tolerances on hewn and coarse textured face irregularities: No requirement. - Breaking strength: No requirement. • Slip resistance: PTV to BS 7976-2 of 40. • Skid resistance: PSV to HA DMRB 7.5.1 of 50. • Surface treatment: None.
EXECUTION
610 MATERIAL SAMPLES • Samples representative of colour and appearance of designated materials: Submit before placing orders. - Designated materials: Natural stone slab paving; reference sample to BS EN 1341.
615 CONTROL SAMPLES • Sample areas: Complete as part of the finished work. - Types of paving: Natural stone slab paving. - Location: TBC. - Size (minimum): 3.0 x 3.0 m. - Included features: Recessed manhole cover infill. • Approval of appearance and surface: Obtain before proceeding.
620 ADVERSE WEATHER • General: - Temperature: Do not lay or joint paving if the temperature is below 3°C on a falling thermometer or below 1°C on a rising thermometer. - Frozen materials: Do not use. Do not lay bedding on frozen or frost covered bases. • Paving with mortar joints and/ or bedding: - Protect from frost damage, rapid drying out and saturation until mortar has hardened. • Paving laid and jointed in sand: - Stockpiled bedding sand: Protect from saturation. - Exposed areas of sand bedding and uncompacted areas of sand bedded paving: Protect from heavy rainfall. - Saturated sand bedding: Remove and replace, or allow to dry before proceeding. - Laying dry-sand jointed paving in damp conditions: Brush in as much jointing sand as possible. Minimize site traffic over paving. As soon as paving is dry, top up joints and complete compaction.
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625 LAYING PAVINGS - GENERAL • Appearance: Smooth and even with regular joints and accurate to line, level and profile. • Falls: To prevent ponding. • Bedding of paving units: Firm so that rocking or subsidence does not occur or develop. - Bedding/ Laying course: Consistently and accurately graded, spread and compacted to produce uniform thickness and support for paving units. • Slopes: Lay paving units upwards from the bottom of slopes. • Paving units: Free of mortar and sand stains. • Cutting: Cut units cleanly and accurately, without spalling, to give neat junctions with edgings and adjoining finishes.
630 LEVELS OF PAVING • Permissible deviation from specified levels: - Generally: ± 6 mm. • Height of finished paving above features: - At gullies: +6 to +10 mm. - At drainage channels and kerbs: +3 to +6 mm.
635 REGULARITY OF PAVED SURFACES • Maximum variation in gap under a 3 m straight edge placed anywhere on the surface (where appropriate in relation to the geometry of the surface): - Precast concrete paving blocks and clay pavers for flexible pavements: 10 mm. - Precast concrete flags or natural stone slabs: 3 mm. • Difference in level between adjacent paving units (maximum): 2 mm. • Sudden irregularities: Not permitted.
637 REGULARITY OF PAVED SURFACES • Maximum undulations in the surface of pavings (except tactile paving surfaces) under a 1 m straight edge placed anywhere on the surface (where appropriate in relation to the geometry of the surface): 3 mm. • Joints between paving units or utility access covers: - Joints flush with the surface: difference in level between adjacent units to be no more than twice the joint width (with a 5 mm max difference in level). - Recessed, filled joints: difference in level between adjacent units to be no greater than 2 mm; the recess to be no deeper than 5 mm. - Unfilled joints: difference in level between adjacent units to be no greater than 2 mm. • Sudden irregularities: Not permitted.
645 PROTECTION • Cleanliness: Keep paving clean and free from mortar droppings, oil and other materials likely to cause staining. • Materials storage: Do not overload pavings with stacks of materials. • Handling: Do not damage paving unit corners, arrises, or previously laid paving. • Mortar bedded pavings: Keep free from traffic after laying: - Pedestrian traffic (minimum): 3 days. - Vehicular traffic (minimum): 8 days. • Access: Restrict access to paved areas to prevent damage from site traffic and plant.
650 CEMENTITIOUS BASES AND SUB-BASES • General: Protect from moisture loss, if not covered by another pavement course within 2 hours of completion.
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655 CONDITION OF SUB-BASES/ BASES BEFORE SPREADING LAYING COURSE • Trenches and excavation of soft or loose spots in subgrade: Fill and thoroughly compact. • Granular surfaces: Lay and compact so as to be sound, clean, smooth and close-textured enough to prevent migration of bedding/ laying course materials into the sub-base during compaction and use, free from movement under compaction plant and free from compaction ridges, cracks and loose material. • Prepared existing and new bound bases (roadbases): Sound, clean, free from rutting or major cracking. Remove sharp stones, projections and debris. • Sub-base/ Roadbase level tolerances: To BS 7533-7, Annex A. • Levels and falls: Accurate and within the specified tolerances. • Drainage outlets: Within 0-10 mm of the required finished level. • Features in sand bedded paving (including mortar bedded restraints and drainage ironwork): Complete to required levels; adequately bed and haunch in mortar. • Sub-bases containing cement/ hydraulic binder: Cure for minimum times specified in BS 7533-4.
COMPLETION
915 COMPLETION OF PAVING WITH DRY SAND OR FINE AGGREGATE FILLED JOINTS • Sand dressing: Leave a thin layer of dry jointing sand over the paving, sweep clean before practical completion. • Final compaction of the surface course: In accordance with BS 7533-3. • Vacuum cleaning machines: Not allowed.
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Section Revision History
No. Purpose 0 Issue for tender 28th Sep 2015 1 C1 construction issue 15 Jul 2016 20th Apr 2017
Clauses amended in Revision 1
No. Clause 360A IN SITU SYNTHETIC SURFACING Revised FHA604S01 Dover Court Q26 - Revision 1 7 Aug 2017
Q26 Special surfacings/ pavings for sport/ general amenity
SPORTS SURFACING
120A SURFACING FOR Ball court • Type: refer to Q22/127A.
IMPACT ABSORBING SURFACINGS FOR PLAY AREAS
300 EXTENT OF IMPACT ABSORBING SURFACING • General: Lay to the impact areas shown in the relevant parts of BS EN 1176.
310A BARK SURFACING S14 • Granular sub-base: As section Q20. - Thickness: not required. • Geotextile membrane: - Manufacturer: Terram or similar, www.terram.com. Product reference: Terram 1000. - Jointing: High strength adhesive. • Surface course: Play bark chip. - Supplier: contractors choice. Product reference: Play Grade Bark Chip is certified to BS EN 1177 Standards. - Grade: Playground grade bark free from dust, pests, disease, weeds, coarse angular fragments and sharp pieces. - Nominal particle size: 20-80 mm, well graded. - Wood content (maximum): 5%. - Ease of ignition: To BS 7188. - Additives, dyes or any substance harmful to humans or the environment: Not permitted. - Depth (minimum): 300 mm. • Submit: - Ease of ignition: Evidence of testing to BS 7188. - Critical fall height: Evidence of testing to BS EN 1177.
330A SAND SURFACING S16 • Granular sub-base: As section Q20. - Thickness: 200 mm. • Geotextile membrane: - Manufacturer: Submit proposals. Product reference: Submit proposals. - Jointing: High strength adhesive. • Surface course: - Supplier: Submit proposals. Product reference: Submit proposals. - Grade: Playground grade, clean washed silica sand of smooth rounded particles. - Artificially crushed material: Not permitted. - Nominal size: 0.25-1.5 mm. - Depth (minimum): 300 mm. • Submit: - Critical fall height: Evidence of testing to BS EN 1177.
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360A IN SITU SYNTHETIC SURFACING S9 Wet pour for play areas • Sub-base and Base: To structural engineers details and specification. Surface course: Wet pour, in situ laid polyurethane bound EPDM rubber crumb surface. - Standard: To BS 7188. - Manufacturer: Play Safe Surfaces Ltd, www.wetpourrubber.co.uk or similar. Product reference: Wet pour. - Colour: Oatmeal, Dark green, light green and yellow. refer to plans for layout FHA-604-D -702. - Critical fall height when tested to BS EN 1177: to play equipment manufacturers detail and specification. - Health and safety: Substance known to be toxic or carcinogenic on skin contact or released as vapour or dust during normal use: Not permitted. • Submit: - Resistance to abrasive wear, slip resistance, resistance to indentation and ease of ignition: Evidence of testing to BS 7188. - Critical fall height: Evidence of testing to BS EN 1177. (Revised - Q26 revision 1 - 20th Apr 2017)
ASSOCIATED ACCESSORIES
410A FLUSH EDGING TO SURFACING TYPE Q26/ 360A • Material: concrete edging, refer to Q10/110.
420 LINE MARKINGS TO SURFACING TYPE Q26/ 120A • Method of application: As surfacing manufacturer's recommendations. • Setting out: Basketball, futsal (5 a side futball). Refer to Sport England design guidance note "Sports halls and design layouts". • Colour: White and orange. • Width: 40 mm.
430 EDGES • Finish: Flush. • Edge detail: E1 edging as section Q10..
COMPLETION
920 PLAY SURFACE TESTING • Standard: To BS EN 1177 and BS 7188, where applicable. • Testing body: A United Kingdom Accreditation Service (UKAS) independent laboratory. • Timing: Within ten days of completing the surfacing works. • Test results: Submit.
930 DOCUMENTATION • General: For all types of surfacing, provide the following: - Name and contact details of installer. - Date of installation. - Name and contact details of manufacturer. - Type/ description/ reference of products used. - Manufacturer's recommended inspection and maintenance procedures to maintain safety and impact absorbing performance. - Manufacturer's recommended cleaning and maintenance methods, where relevant.
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940 LABELLING • Signs: Provide permanent labelling in approved locations on all types of surfacing stating: C ritical fall height and Product name.
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Section Revision History
No. Purpose 0 Issue for Tender 14th Aug 2015 1 Issue for tender 10th Sep 2015
Clauses amended in Revision 1
No. Clause 125 GREEN ROOF GROWING MEDIA SYSTEM Deleted 135 PLANTING BED SOIL SYSTEM Added 135A PLANTING BED SOIL SYSTEM Added 135B PLANTING BED SOIL SYSTEM Added 145 PLANT PIT BACKFILLING SOIL SYSTEM Added 155A MULCHING Revised 330 IMPORTED MANUFACTURED TOPSOIL/ GROWING MEDIUM Deleted 345 AGGREGATES Added 360 SANITIZED AND STABILIZED COMPOSTED MATERIALS Added CERTIFIED TO PAS 100 630 DOCUMENTATION FOR IMPORTED TOPSOIL Added 685 SURPLUS MATERIALS TO BE REMOVED Added 690 TOPSOIL STORAGE HEAPS Revised FHA604S01 Dover Court Q28 - Revision 1 7 Aug 2017
Q28 Topsoil and soil ameliorants
SYSTEM OUTLINE
125 GREEN ROOF GROWING MEDIA SYSTEM (Deleted - Q28 revision 1 - 10th Sep 2015)
135 PLANTING BED SOIL SYSTEM FOR ALL PLANTING AREAS (Except water\ swale planting and wildflower meadow) • Composition: - Topsoil: - Excavated material; - Site made topsoil; and - Imported topsoil to BS 3882. - Ameliorants: Sanitized and stabilized composted materials and Fertilizer. - Accessories: None. (Added - Q28 revision 1 - 10th Sep 2015)
135A PLANTING BED SOIL SYSTEM FOR ALL WATER/ SWALE AREAS) • Composition: - Topsoil: - Excavated material; - Site made topsoil; and - Imported topsoil to BS 3882. - Ameliorants: Aggregates - pebbles. - Accessories: pebbles 50-80mm, allow for 10% surface cover of water/ swale areas, refer to clause 348. (Added - Q28 revision 1 - 10th Sep 2015)
135B PLANTING BED SOIL SYSTEM FOR WILDFLOWER AREAS) • Composition: - Sub soil: - Excavated material; - Site sourced sub-soil; and - Imported subsoil, custom mix. - Ameliorants: None. - Accessories: None. (Added - Q28 revision 1 - 10th Sep 2015)
145 PLANT PIT BACKFILLING SOIL SYSTEM FOR TREE PITS • Composition: - Topsoil: - Excavated material; - Site sourced topsoil; and - Imported topsoil to BS 3882. - Ameliorants: Sanitized and stabilized composted materials and Fertilizer. - Accessories: None. (Added - Q28 revision 1 - 10th Sep 2015)
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155A MULCHING FOR ALL PLANTED AREAS • Composition: - Material: Ornamental bark mulch, minimum 30-40mm size, contractor to submit proposals and sample for approval. (Revised - Q28 revision 1 - 10th Sep 2015)
PRODUCTS
300 PREPARATION MATERIALS GENERALLY • Purity: Free of pests and disease. • Foreign matter: On visual inspection, free of fragments and roots of aggressive weeds, sticks, straw, subsoil, pieces of brick, concrete, glass, wire, large lumps of clay or vegetation, and the like. • Contamination: Do not use topsoil contaminated with subsoil, rubbish or other materials that are: - Corrosive, explosive or flammable. - Hazardous to human or animal life. - Detrimental to healthy plant growth. • Subsoil: In areas to receive topsoil or planting media, do not use subsoil contaminated with the above materials. • Objectionable odour: None. • Give notice: If any evidence or symptoms of soil contamination are discovered on the site or in topsoil or planting media to be imported.
305 PERMITTED MATERIALS • Materials: - Bark; - Composted animal manures; - Composted bark; - Composted cocoa shell; - Composted coir fibre; and - Composted green/ food waste certified to PAS 100. • Give notice: before ordering or using. • Declaration of compliance in accordance with BS EN 13650: Required.
310 MATERIALS NOT PERMITTED • Materials: - Peat; - Products containing peat; and - River and canal dredgings.
315 IMPORTED TOPSOIL TO BS 3882 for new planted areas • Quantity: Provide as necessary to make up any deficiency of topsoil existing on site and to complete the work. • Standard: To BS 3882. • Classification: Multipurpose. - Grade: Within the parameters of 'sandy loam' textural class. • Source: Submit proposals. - Product reference: Submit proposals.
330 IMPORTED MANUFACTURED TOPSOIL/ GROWING MEDIUM (Deleted - Q28 revision 1 - 10th Sep 2015)
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345 AGGREGATES For water/ swale planting • Source: Contractor's choice. - Product reference: 50-80mm pebbles. • Reference, description and grading: - Sand: Not required. - Grit: Not required. - Crushed materials: Not required. - Other aggregates or particles: N/A. • Recycled content: Contractor's choice. (Added - Q28 revision 1 - 10th Sep 2015)
360 SANITIZED AND STABILIZED COMPOSTED MATERIALS CERTIFIED TO PAS 100 FOR PLANTING AREAS AND TREES • Standard: In accordance with PAS 100. • Source: Contractor's choice. - Product reference: Contractor's choice. • Horticultural parameters: - pH (1:5 water extract): 7.0-8.7. - Electrical conductivity (maximum, 1:5 water extract): 200 mS/m. - Moisture content (m/m of fresh weight): 35-55%. - Organic matter content (minimum): 25%. - Grading (air dried samples): 99% passing 25 mm screen, and 90% passing: 10 mm screen mesh aperture. - Carbon:Nitrogen ratio (maximum): 20:1. • Texture: Friable. • Objectionable odour: None. • Composting Association certification: Required. • Declaration of analysis: Submit. • Additional analyses: Not required. • Samples: Supply 5 kg sample before ordering. (Added - Q28 revision 1 - 10th Sep 2015)
401 ORGANIC FERTILIZERS FOR PLANTING • Manufacturer/ source: Contractor's choice. - Product reference: Contractor's choice. • Standard: In accordance with the Fertiliser Industry Assurance Scheme (FIAS). • Purpose: General purpose fertilizer. • Type: Submit proposals. • Availability to plants: Slow release.
EXECUTION
620 IMPORTING TOPSOIL • Give notice: Before stripping topsoil for transfer to site. - Notice period: 5 days.
625 SAMPLE LOADS FOR IMPORTED SOIL IMPROVERS/ COMPOST • Deliver to site a sample load: of 5 kg. • Give notice: Allow inspection before making further deliveries to site. Retain for comparison with subsequent loads. - Notice period: 5 days.
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630 DOCUMENTATION FOR IMPORTED TOPSOIL FOR PLANTING AREAS • Timing: Submit at handover. • Contents: - Full description of all soil components. - Record of source for all soil components. - Record drawings showing the location and depth of all soils by type and grade. - Declaration of analysis: in accordance with BS 3882, Annex E. • Number of copies: Two. (Added - Q28 revision 1 - 10th Sep 2015)
650 NOTICE • Give notice before: - Setting out. - Spreading topsoil. - Applying herbicide. - Applying fertilizer. - Visiting site during maintenance period. • Period of notice: 3 working days.
655 MECHANICAL TOOLS • Restrictions: Do not use within 100 mm of tree and plant stems.
660 GRADING SUBSOIL • General: Grade to smooth flowing contours to achieve specified finished levels of topsoil. • Loosening: - Light and non-cohesive subsoils: When ground conditions are reasonably dry, loosen thoroughly to a depth of 300 mm. - Stiff clay and cohesive subsoils: When ground conditions are reasonably dry, loosen thoroughly to a depth of 450 mm. - Rock and chalk subgrades: Lightly scarify to promote free drainage. • Areas of thicker topsoil: Excavate locally. • Avoid over compaction.
665 SUBSOIL SURFACE PREPARATION • General: Excavate and/ or place fill to required profiles and levels, as section D20. • Loosening: - Light and non-cohesive subsoils: When ground conditions are reasonably dry, loosen thoroughly to a depth of 300 mm. - Stiff clay and cohesive subsoils: When ground conditions are reasonably dry, loosen thoroughly to a depth of 450 mm. - Rock and chalk subgrades: Lightly scarify to promote free drainage. • Stones: Immediately before spreading topsoil, remove stones larger than 50 mm. • Remove from site: Arisings, contaminants and debris and Builders rubble.
675 PREPARATION OF UNDISTURBED TOPSOIL • Standard: In accordance with BS 4428. - Grading and cultivation: Category B. • Hard ground: Break up thoroughly. • Clearing: Remove visible roots and large stones with a diameter greater than 250 mm. • Areas covered with turf or thick sward: Plough or dig over to full depth of topsoil. • Fallow period (minimum): One month. - Weed control: At appropriate times treat with a suitable translocated nonresidual herbicide.
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685 SURPLUS MATERIALS TO BE REMOVED • Topsoil: Remove from site topsoil remaining after completion of all landscaping work. • Subsoil, stones, debris, wrapping material, canes, ties, temporary labelling, rubbish, prunings and other arisings: Remove. (Added - Q28 revision 1 - 10th Sep 2015)
690 TOPSOIL STORAGE HEAPS • Location: TBC with CA. • Height (maximum): 1.0 m. • Width (maximum): 2.0 m. - Formation: Loose tip and shape from the side only, without running machinery on the heap at any time. • Protection: - Do not place any other material on top of storage heaps. - Do not allow construction plant to pass over storage heaps. - Prevent compaction and contamination, by fencing and covering as appropriate. (Revised - Q28 revision 1 - 10th Sep 2015)
700 GRADING OF TOPSOIL • Topsoil condition: Reasonably dry and workable. • Contours: Smooth and flowing, with falls for adequate drainage. - Hollows and ridges: Not permitted. • Finished levels after settlement: 25 mm above adjoining paving, kerbs, manholes etc. • Give notice: If required levels cannot be achieved by movement of existing soil.
705 HANDLING TOPSOIL • Aggressive weeds: Give notice and obtain instructions before moving topsoil. • Plant: Select and use plant to minimize disturbance, trafficking and compaction. • Contamination: Do not mix topsoil with: - Subsoil, stone, hardcore, rubbish or material from demolition work. - Other grades of topsoil. • Multiple handling: Keep to a minimum. Use or stockpile topsoil immediately after stripping. • Wet conditions: Handle topsoil in the driest condition possible. Do not handle during or after heavy rainfall or when it is wetter than the plastic limit less 3%, to BS 1377-2.
710 SPREADING TOPSOIL • Temporary roads/ surfacing: Remove before spreading topsoil. • Layers: - Depth (maximum): 150 mm. - Gently firm each layer before spreading the next. • Depths after firming and settlement (minimum): 150 mm. • Crumb structure: Do not compact topsoil. Preserve a friable texture of separate visible crumbs wherever possible.
715 LOOSE TIPPING OF TOPSOIL • General: Do not firm, consolidate or compact topsoil when laying. Tip and grade to approximate levels in one operation with minimum of trafficking by plant.
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720 FINISHED LEVELS OF TOPSOIL AFTER SETTLEMENT • Above adjoining paving or kerbs: flush with kerb edges. • Below dpc of adjoining buildings: Not less than 150 mm. • Planting beds: Higher than adjoining grass areas by 25 mm. • Seeded areas: Extend cultivation into existing adjacent grassed areas sufficient to ensure full marrying in of levels. • Sportsfields: To even levels and within the following permitted deviations: - From levels or gradients shown on drawings: ±75 mm. - From line between boning rods 30 m apart: ±25 mm. • Within root spread of existing trees and shrubs to be retained: Do not dig or cultivate. • Adjoining soil areas: Marry in. • Thickness of turf or mulch: Included.
810 APPLYING COMPOST TO PLANTED AREAS EXCEPT WILDFLOWER MEADOWS • Application rate for trees and shrubs: 50 mm thick. - Timing: Apply prior to cultivation. • Application rate for grass: 50 mm thick layer. - Timing: Apply prior to cultivation. • Application rate for planters: 50 mm thick layer. - Timing: Apply prior to cultivation. • Other requirements: Submit 5kg sample before ordering.
820 APPLYING GENERAL FERTILIZER TO PLANTED AREAS EXCEPT WILDFLOWER MEADOWS • Application: Spread evenly, carefully incorporating below mulch materials. - Timing: Immediately before cultivation. - Application rate: to manufacturer's instructions. - Other requirements: none.
825 APPLYING FERTILIZER TO PROPOSED GRASS AREAS TO TURFED AREAS • Application: Before final cultivation and three to five days before seeding/ turfing. • Coverage: • Spread evenly, in transverse directions. - Rate: to manufacturer's instructions.
845 APPLYING LOOSE MULCH FOR PLANTING BEDS • Timing: Immediately after planting. • Preparation: Ensure that soil is thoroughly moistened, applying water where necessary. • Coverage of mulch (minimum): - Planting beds (depth): 50 mm depth. - Trees: 50 mm depth. - Container planting: 50 mm depth. • Finished level of mulch: flush with adjacent grassed or paved areas.
COMPLETION
905 APPLYING MAINTENANCE FERTILIZER TO SOIL TO PLANTING BEDS • Duration: Carry out the following operations from completion of seeding/ turfing until the end of the rectification period. • Time of year: During February and March. • Application: Evenly spread, carefully incorporating below mulch materials. • Rate: To manufacturer's recommendations.
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920 APPLYING MULCH • Timing: At end of the rectification period. • Watering: Ensure that soil is thoroughly moistened prior to mulching, applying water where necessary. • Planting beds: Re-mulch. - Depth (minimum): 50 mm. • Trees: Remulch. - Depth (minimum): 50 mm. • Container planting: Remulch. - Depth (minimum): 50 mm.
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Section Revision History
No. Purpose 0 Issue for Tender 14th Aug 2015 1 Issue for tender 7th Sep 2015
Clauses amended in Revision 1
No. Clause 336 WILDFLOWER SOWING SEASON Added 550 AREAS NOT TO BE CUT Added FHA604S01 Dover Court Q30 - Revision 1 7 Aug 2017
Q30 Seeding/turfing
GENERAL INFORMATION/REQUIREMENTS
115 SEEDED AND TURFED AREAS • Growth and development: Healthy, vigorous grass sward, free from the visible effects of pests, weeds and disease. • Appearance: A closely knit, continuous ground cover of even density, height and colour.
120 CLIMATIC CONDITIONS • General: Carry out the work while soil and weather conditions are suitable.
145 WATERING • Quantity: Wet full depth of topsoil. • Application: Even and without displacing seed, seedlings or soil. • Frequency: As necessary to ensure the establishment and continued thriving of all seeding/turfing.
146 WATERING • Quantity: Wet full depth of topsoil. • Application: Even and without displacing seed, seedlings or soil. • Frequency: As maintenance plan FHA-604-A-02.
150 WATER RESTRICTIONS • Timing: If water supply is or is likely to be restricted by emergency legislation do not carry out seeding/turfing until instructed. If seeding/turfing has been carried out, obtain instructions on watering.
160 NOTICE • Give notice before: - Setting out. - Applying herbicide. - Applying fertilizer. - Preparing seed bed. - Seeding or turfing. - Visiting site during maintenance period. • Period of notice: 3 working days.
170 SETTING OUT • Boundaries: Mark clearly. • Delineation: In straight lines or smoothly flowing curves as shown on drawings.
PREPARATION
210 HERBICIDE FOR ALL PLANTED AREAS • Type: Suitable for suppressing perennial weeds. • Timing: Allow fallow period before cultivation. - Duration: 2 weeks.
336 WILDFLOWER SOWING SEASON • Wildflower seed generally: March to May or August to October. (Added - Q30 revision 1 - 7th Sep 2015)
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TURFING
400 CULTIVATED TURF FOR LAWNS • Supplier: Submit proposals. - Product reference: Submit proposals. • Properties of soil used for turf production: Peat-free, well drained sandy loam.
420 DELIVERY AND STORAGE • Timing: Lay turf with minimum possible delay after lifting. If delay occurs, lay turf out on topsoil and keep moist. • Frosty weather or waterlogged ground: Do not lift turf. • Delivery: Arrange to avoid need for excessive stacking. • Stacking height (maximum): 1 m. • Dried out or deteriorated turf: Do not use. • Certification: - Standard: To BS 3969. - Declaration: Species mix, including percentage of specified species.
430 TURFING GENERALLY • Time of year: Autumn or early winter. • Timing of laying: - Spring and summer: Within 18 hours of delivery. - Autumn and winter: Within 24 hours of delivery. • Weather conditions: Do not lay turf when persistent cold or drying winds are likely to occur or soil is frost bound, waterlogged or excessively dry. • Working access: Planks laid on previously laid turf. Do not walk on prepared bed or newly laid turf. • Jointing: Laid with broken joints, well butted up. Do not stretch turf. • Edges: Whole turfs, trimmed to a true line. • Adjusting levels: Remove high spots and fill hollows with fine soil. • Consolidating: Lightly and evenly firm as laying proceeds to ensure full contact with substrate. Do not use rollers. • Dressing, brushed well in to completely fill all joints: None. • Watering: Thoroughly water completed turf immediately after laying. Check that water has penetrated into the soil below.
PROTECTING/CUTTING
530 FIRST CUT OF GRASSED AREAS • Timing: When grass is reasonably dry. - Height of initial growth: 50 mm. • Preparation: - Debris and litter: Remove. - Stones and earth clods larger than 25 mm in any dimension: Remove • Height of first cut: 50 mm. • Mower type: Contractor's choice. • Arisings: Remove from site.
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540 FIRST CUT OF WILDFLOWER MEADOWS • Height of initial growth: As schedule. • Preparation: - Debris and litter: Remove. - Stones and earth clods larger than 25 mm in any dimension: Remove • Height of first cut: As schedule. • Mower type: Contractor's choice. • Arisings: As schedule.
550 AREAS NOT TO BE CUT • Do not cut: Meadow grass containing wildflowers. (Added - Q30 revision 1 - 7th Sep 2015)
590 CLEANLINESS • Soil and arisings: Remove from hard surfaces. • General: Leave the works in a clean, tidy condition at Completion and after any maintenance operations.
Q30-Seeding/turfing Page 47 of 111 Q31 External planting Revision C3
Section Revision History
No. Purpose 0 Issue for Tender 14th Aug 2015 1 Issue for tender 10th Sep 2015 2 Amended for tender 6th Oct 2015 3 C1 construction issue 15 Jul 2016 20th Apr 2017 C3 Construction issue 3 20th Apr 2017
Clauses amended in Revision C3
No. Clause 292A PREFABRICATED PLANT CONTAINERS Revised FHA604S01 Dover Court Q31 - Revision C3 7 Aug 2017
Q31 External planting
GENERAL INFORMATION/ REQUIREMENTS
112 SITE CLEARANCE GENERALLY • General: Remove rubbish, concrete, metal, glass, decayed vegetation and contaminated topsoil. • Stones: Remove those with any dimension exceeding 50 mm. • Contamination: Remove material containing toxins, pathogens or other extraneous substances harmful to plant, animal or human life. • Vegetation: Clear scrub to ground level by flail mowing and remove arisings; retain and protect trees indicated on drawings. • Large roots: Grub up and dispose of without undue disturbance of soil and adjacent areas. • Additional requirements: Remove remnants of old wall, fence posts and mesh.
118 SOIL CONDITIONS • Soil for cultivating and planting: Moist, friable and (except in aquatic/ marginal planting) not waterlogged. • Frozen or snow covered soil: Give notice before planting. Provide additional root protection. Prevent planting pit sides and bases and backfill materials from freezing.
120 CLIMATIC CONDITIONS • General: Carry out the work while soil and weather conditions are suitable. - Strong winds: Do not plant.
125 TIMES OF YEAR FOR PLANTING • Deciduous trees and shrubs: Late October to late March. • Conifers and evergreens: September/ October or April/ May. • Herbaceous plants (including marginal): September/ October or March/ April. • Container grown plants: At any time if ground and weather conditions are favourable. - Watering and weed control: Provide as necessary. • Dried bulbs, corms and tubers: September/ October. • Colchicum (crocus): July/ August. • Green bulbs: After flowering in spring. • Wildflower plugs: Late August to mid November or March/ April. • Aquatic plants: May/ June or September/ October.
130 MECHANICAL TOOLS • Restrictions: Do not use within 100 mm of tree and plant stems.
145 WATERING • Quantity: Wet full depth of topsoil. • Application: Even and without damaging or displacing plants or soil. • Frequency: As necessary to ensure establishment and continued thriving of planting.
150 WATER RESTRICTIONS • General: If water supply is or is likely to be restricted by emergency legislation, do not carry out planting until instructed. If planting has been carried out, obtain instructions on watering.
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160 NOTICE • Give notice before: - Setting out. - Applying herbicide. - Applying fertilizer. - Delivery of plants/ trees. - Planting shrubs. - Planting trees into previously dug pits. - Watering. - Visiting site during maintenance period. • Period of notice: One week.
200 PLANTS/ TREES - GENERAL • Condition: Materially undamaged, sturdy, healthy and vigorous. • Appearance: Of good shape and without elongated shoots. • Hardiness: Grown in a suitable environment and hardened off. • Health: Free from pests, diseases, discoloration, weeds and physiological disorders. • Budded or grafted plants: Bottom worked. • Root system and condition: Balanced with branch system. - Standard: The National Plant Specification. • Species: True to name. • Origin/ Provenance: Grown in the United Kingdom for at least one growing season, unless otherwise approved. Definition: Origin and Provenance have the meaning given in the National Plant Specification.
216 PLANTS/ TREES - SPECIFICATION CRITERIA • Name, forms, dimensions and other criteria: To the relevant part of BS 3936.
235 CONTAINER GROWN PLANTS/ TREES • Growing medium: With adequate nutrients for plants to thrive until permanently planted. • Plants: Centred in containers, firmed and well watered. • Root growth: Substantially filling containers, but not root bound, and in a condition conducive to successful transplanting. • Hardiness: Grown in the open for at least two months before being supplied. • Containers: With holes adequate for drainage when placed on any substrate commonly used under irrigation systems.
246 LABELLING AND INFORMATION • Standard: To BS 3936.
260 PLANT/ TREE SUBSTITUTION • Plants/ trees unobtainable or known to be likely to be unobtainable at time of ordering: Submit alternatives, stating: - Price. - Difference from specified plants/ trees. • Approval: Obtain before making any substitution.
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265 PLANT HANDLING, STORAGE TRANSPORT AND PLANTING • Standard: To CPSE 'Handling and establishing landscape plants'. • Frost: Protect plants from frost. • Handling: Handle plants with care. Protect from mechanical damage and do not subject to shock, e.g. by dropping from a vehicle. • Plant packaging: Black polyethylene bags. • Packaging of bulk quantities: Pallets or bins sealed with polyethylene and shrink wrapped. • Planting: Upright or well balanced with best side to front.
280 TREATMENT OF TREE WOUNDS • Cutting: Keep wounds as small as possible. - Cut cleanly back to sound wood using sharp, clean tools. - Leave branch collars. Do not cut flush with stem or trunk. - Set cuts so that water will not collect on cut area. • Fungicide/ Sealant: Do not apply unless instructed.
285 PROTECTION OF EXISTING GRASS • General: Protect areas affected by planting operations using boards/ tarpaulins. - Excavated or imported material: Do not place directly on grass. - Duration: Minimum period.
290 SURPLUS MATERIAL • Subsoil, stones, debris, wrapping material, canes, ties, temporary labelling, rubbish, prunings and other arisings: Remove.
PLANT CONTAINERS
292A PREFABRICATED PLANT CONTAINERS RP1 • Manufacturer: Iota Garden, www.iotagarden.com. - Product reference: Powder Coated Planters, colour to match architectural metal work. • Material: Galvanized steel. • Dimensions/ Shape: 800x500x500mm. • Lining: Not required. • Height: 900 and 500mm. (Revised - Q31 revision C3 - 20th Apr 2017)
297A TIMBER PLANTERS W8 • Materials generally: To BS EN 942. - Timber: timber sleepers, refer to detail 04/D-502. - Adhesive: Synthetic resin to BS EN 301, type 1. - Joinery workmanship: As section Z10. • Fixings: As section Z20. • Material/ finish: timber with fixing steel rod (20mm) • Lining/ reservoir: Geotextile). • Accessories: Concrete base, to structural engineers detail.
PREPARATION OF PLANTING BEDS/ PLANTING MATERIALS
300 HERBICIDE TO CLEAR OVERGROWN BEDS • Locations: where necessary. • Type: Suitable for supressing perennial weeds. • Timing: Allow fallow period before cultivation. - Duration (minimum): Two weeks.
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305 WEED CONTROL FOR INVASIVE NON-NATIVE WEEDS • Locations: Whole site. • General: Prevent weeds from seeding and perennial weeds from becoming established, in accordance with the Environment Agency 'Managing Japanese knotweed on development sites. The knotwood code of practice'.
PLANTING SHRUBS/ HERBACEOUS PLANTS/ BULBS
420 CLIMBING PLANTS • Planting: 150 mm clear of supporting structure (e.g. wall/ fence) with roots spread outward. - Branches: Lightly secured to supports. • Climber supports: Stainless steel wire, Trellis Stand-off kit 2m Width 2m Height or similar, from http://www.jakobstainlesssteel.co.uk/. - Base height: 300 mm above ground. - Extent: 2m high. - Centres: 250 mm - Distance from wall: 50 mm. • Fixings: Stainless steel screw eyes. - Centres: 1 m.
420A CLIMBING PLANTS TRELLIS • Planting: 150 mm clear of supporting trekl (e.g. wall/ fence) with roots spread outward. - Branches: Lightly secured to supports. • Climber supports: Traditional Jaktop Fencing 0.86m Height or similar, from http://www.jakobstainlesssteel.co.uk/. - Extent: 2.4m high. Fixings: Galvanized screw. - Centres: 1 m.
445 PLANTING BULBS/ CORMS/ TUBERS • Depth: Top of bulb/ corm/ tuber at a depth of approximately twice its height, base in contact with bottom of hole. • Backfilling: Finely broken soil. Lightly firm to existing ground level. • Naturalized planting in existing grassed areas: - Scattering: Random. Plant bulbs/ corms/ tubers where they fall. - Planting: Neatly remove a plug of turf and replace after planting.
455 PLANTING WILD FLOWER PLUGS • Handling: Keep plants watered and in shade until planted. Do not allow to dry out. • Preparation: Remove brambles, coarse and invasive weeds from planting sites. • Planting in grass: Close mow to approximately 50 mm. Remove arisings. • Planting sites: As planting plan drawings. • Planting: Into a hole to suit plug size and shape. Create a cleft at bottom of hole to improve rooting. Gently firm plant into hole.
457 PLANTING AQUATIC/ MARGINAL PLANT PLUGS • Handling: Keep plants watered and in shade until planted. Do not allow to dry out. • Preparation: Remove coarse weeds etc. from planting sites. • Planting sites: As planting plan drawings. • Waterproofing membrane below soil: Do not puncture. • Planting: Into a hole to suit plug size and shape. Create a cleft at bottom of hole to improve rooting. Gently firm plant into hole to ensure good root hold into substrate.
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470 FORMAL HEDGES • Shrubs for hedges: Consistent in species, cultivar and clone to ensure a uniform hedge. • Planting: In trenches large enough to take full spread of roots. Set out plants evenly.
471 NATURALIZED HEDGES • Planting: In trenches large enough to take full spread of roots. Set out plants evenly.
480 AFTER PLANTING • Watering: Immediately after planting, thoroughly and without damaging or displacing plants or soil. • Firming: Lightly firm soil around plants and fork and/ or rake soil, without damaging roots, to a fine tilth with gentle cambers and no hollows. • Top dressing: Mulching and top dressing system, as section Q28. - Depth: 50 mm.
PLANTING TREES
505A TREE PITS on soft landscape (Planting areas) • Sizes: As planting detail 04/D-401. • Sloping ground: Maintain horizontal bases and vertical sides with no less than minimum depth throughout. • Pit bottoms: With slightly raised centre. Break up to a depth of 200 mm. - Treatment: As drawing. • Pit sides: Scarify. • Backfilling material: As detail drawing. • Accessories: geotextile, root barrier (as necessary), anchoring system, irrigation and aeration system, drainage layer, soil, refer to detail drawing.
505B TREE PITS on hard landscape (Paving areas) • Sizes: As planting detail 05/D-401 series. • Sloping ground: Maintain horizontal bases and vertical sides with no less than minimum depth throughout. • Pit bottoms: With slightly raised centre. Break up to a depth of 200 mm. - Treatment: As drawing. • Pit sides: Scarify. • Backfilling material: As detail drawing. • Accessories: Greenleaf (www.greenleaf.co.uk) 'Rootcell' system or similar, including geotextile, root barrier, anchoring system, root cells, irrigation and aeration system, drainage layer, top-soil, refer to detail drawing.
510 TREE PIT ROOT BARRIERS • Locations: Wherever the installed rootball will be within 2.0 m of a building foundation. • Manufacturer: Greenleaf (www.greenleaf.co.uk) or similar. - Product reference: Re-Root 1000. • Depth of top of root barrier below finished soil level: 50 mm. • Installation: With sides vertical.
512 TREE PIT ACCESSORIES • Locations: All tree pits. • Manufacturer: Greenleaf (www.greenleaf.co.uk). - Product reference: Greenleaf (www.greenleaf.co.uk) 'Rootcell' system or similar, including geotextile, root barrier, anchoring system, root cells, irrigation and aeration system, drainage layer, top-soil, refer to detail drawing. • Type: N/A.
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515A TREE PIT DRAINAGE • Depth of excavation: Increase from specified size to allow for aggregate layer, with base slightly falling to outlet. • Aggregate layer: Clean gravel or broken stone, with no fines, graded 40 to 20 mm. - Depth: as detail drawing FHA-604-D-401. • Drainage pipes: Not required - Type: N/A. - Diameter: N/A. - Position: Lay around perimeter of pit within aggregate layer. - Discharge: N/A. • Geotextile filter: - Manufacturer: Terram (www.terram.com) or similar. - Product reference: Terram 1000. - Position: Lay over aggregate before installing tree or backfill. • Completed pits: Test for free drainage before planting.
680 SETTING OUT • Planting density: As plant schedule. • Layout: Random groups of no less than 3 or more than 7 of the same species, ensuring that no three plants are aligned in any one direction.
Q31-External planting Page 54 of 111 Q35 Landscape maintenance
Section Revision History
No. Purpose C5 Construction 7th Aug 2017
Clauses amended in Revision C5
This is the first revision stamp for this section. For all future revision stamps, details of all clauses amended at that revision will be included here. FHA604S01 Dover Court Q35 - Revision C5 7 Aug 2017
Q35 Landscape maintenance
To be read with Preliminaries/ General conditions.
GENERALLY
105 MAINTENANCE OBJECTIVES • Location: Site. - Duration: 12 months from PC. • Aims: Enhanced landscape quality and Improved landscape visual amenity. • Restrictions: As described in the landscape maintenance manual. • Results: Adequate stablishment and long term viability of the landscape.
110 NOTICE • Give notice before: - Application of herbicide. - Application of fertilizer. - Watering. - Each site maintenance visit. • Period of notice: 2 days.
130 REINSTATEMENT • Damage or disturbance to soil structure, planting, grass, fencing, hard landscaping, structures or buildings: Reinstate to original condition.
140 CONTROL OF MAMMALIAN PESTS • Specialist firms: Submit proposals. - Method: In accordance with Local Authority guidance.
152 PERFORMANCE CRITERIA FOR CONTROL OF INVASIVE PLANT SPECIES • Specialist firms: Submit proposals. • Species: Any mentioned in the Invasive Species list by Environment Agency. • Location: Entire Site. • Requirement: Complete erradication. - Timing: As detailed in Local Biodiversity Action Plan.
155 WATERING • Supply: Site supply. • Quantity: as required to achieve soil capacity . • Application: Do not damage or loosen plants. • Compacted soil: Loosen or scoop out, to direct water to rootzone. • Frequency: As necessary for the continued thriving of all planting.
160 WATER RESTRICTIONS • General: If water supply is, or is likely to be, restricted by emergency legislation, submit proposals for an alternative suitable source of water. Obtain instructions before proceeding.
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170 DISPOSAL OF ARISINGS • General: Unless specified otherwise, dispose of arisings as follows: - Biodegradable arisings: Remove to recycling facility. - Grass cuttings: Remove to recycling facility. - Tree roots and stumps: Remove from site. - Shrub and tree prunings: Remove to recycling facility. - Litter and nonbiodegradable arisings: Remove from site.
181 MECHANICAL EQUIPMENT • General: Minimize. • Prohibited equipment: Litter vacuums. • Timing: Use of mechanical equipment allowed between the hours of 10:00 am and 4:00 pm only.
190 LITTER • Extraneous rubbish not arising from the contract work: Collect and remove from site.
195 PROTECTION OF EXISTING GRASS • General: Protect areas affected by maintenance operations using boards/tarpaulins. Do not place excavated or imported materials directly on grass.
197 CLEANLINESS • Soil and arisings: Remove from hard surfaces. • General: Leave the works in a clean, tidy condition at completion and after any maintenance operations.
GRASSED AREAS
210 MAINTENANCE OF GRASSED AREAS • General: Maintain turf in a manner appropriate to the intended use. • Soil and grass: - Condition: Maintain a healthy vigorous sward, free from disease, fungal growth, discolouration, scorch or wilt. - Waterlogging and compaction: Prevent. - Damage: Repair trampling, abrasion or scalping. • Ornamental lawns: Maintain reasonably free from moss, excessive thatch, weeds, frost heave, worm casts and mole hills. - Edges: Neat and well defined, in clean straight lines or smooth flowing curves. • Litter and fallen leaves: Remove regularly to maintain a neat appearance.
211 MAINTENANCE OF GRASSED AREAS • Standard: To BS 7370-3. Carry out maintenance appropriate to each category of turf, as follows: - Objectives: To BS 7370-3, table 6. - Programme: To BS 7370-3, clause 11. - Mowing methods: To BS 7370-3, table 3.
220 GRASS CUTTING GENERALLY • Before mowing: Remove litter, rubbish and debris. • Finish: Neat and even, without surface rutting, compaction or damage to grass. • Edges: Leave neat and well defined. Neatly trim around obstructions. • Adjoining hard areas: Sweep clear and remove arisings. • Drought or wet conditions: Obtain instructions.
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225 TREE STEMS • Precautions: Do not use mowing machinery closer than 100 mm to tree stems. Use nylon filament rotary cutters and other hand held mechanical tools carefully to avoid damage to bark.
235 BULBS AND CORMS IN GRASSED AREAS • Before flowering: Do not cut. • Interval between end of flowering and start of grass cutting (minimum): 6 weeks.
250 LEAF REMOVAL • Operations: Collect fallen leaves. • Special requirements: None. • Disposal: Remove from site for recycling.
255 FIRST CUT OF ALL GRASSED AREAS • Height of initial growth: 50 mm. • Preparation: - Debris and litter: Remove. - Stones and earth clods larger than 25 mm in any dimension: Remove • Height of first cut: 25 mm. • Mower type: Contractor's choice. • Arisings: Remove.
260 MOWING LAWNS • Grass height: Maintain between 25 and 50 mm. • Arisings: Remove.
272 MAINTAINING GRASSED AREAS WITH PERENNIAL WILD FLOWERS • Preparation: Before each cut remove litter and debris. • Height and frequency of cut in first growing season: - Time of first cut: After flowering. - Height of first cut: 100 mm . - Frequency of subsequent cutting (minimum): October, March and after flowering. - Height of growth permitted (maximum): N/A. • Height and frequency of cut in second growing season: - Time of cut: October, March and August. - Height of cut: N/A. • Trimming: All edges. - Arisings: Remove. • Watering: As required to ensure correct stablishment and thiving.
285 TOP DRESSING • Location: All lawns (Excluding wild flower meadows. • Timing: Following scarification and aeration. • Material: Compost/ sand/ loam mix. • Supplier: Submit proposals. - Product reference: Submit proposals. • Declaration of analysis: Submit. • Additional analyses: Not required. • Samples: Not required. • Application rate: 3-4 mm depth.
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300 SCARIFYING • Location: All lawns. • Timing: February or March, before first cut. • Operations: Relieve thatch conditions and remove dead grass. • Depth (maximum): 25 mm into soil. • Arisings: Remove.
309 EDGES TO SEEDED AREAS • Location: Planting beds and around newly planted trees. • Timing: After seeded areas are well established. • Edges: Cut to clean straight lines or smooth curves. Draw back soil to permit edging. • Arisings: Remove.
310 RE-FORMING GRASS EDGES • Location: All edges. • Edges: Draw back soil and re-form edges to clean straight lines or smooth flowing curves, sloping slightly back from vertical.
325 RELIEVING SURFACE COMPACTION IN TURF • Standard: To BS 7370-3. • Method: Spiking. • Top dressing: Fine sand. - Depth: 2-3 mm.
350 FERTILIZER - SPRING APPLICATION • Type: Slow release. • Application rate: To mannufacturer's recommendations.
380 REINSTATEMENT OF DAMAGED LAWNS • Damaged turf: Remove to a depth of 40 mm. • Preparation: Cultivate substrate to a fine tilth. • Reinstatement: Contractor's choice of returfing or topsoiling and reseeding: - Returfing: Quality and appearance to match existing. - Reseeding: Fill with fine topsoil to BS 3882 multi purpose class, free from stones, debris and weeds. Reseed with a seed mix to match existing grass in quality and appearance. • Protection and watering: Provide as necessary to promote successful germination and/ or establishment.
FLOWER BEDS/ SEASONAL BEDDINGS
450 PLANTING BEDS OF ANNUALS • Clearance: Remove previous season's bedding, including all bulbs, litter and debris. • Preparation: Dig over beds using a spade or hand held mechanical cultivator: - Annual weeds: Bury. - Perennial weeds: Carefully dig out. • Fertilizer: Either in autumn or spring spread and incorporate Slow release fertilizer. - Application rate: To mannufacturer's recommendations. • Annual bedding plants: - Standard: To BS 3936-7. - Setting out: Plant out To approved layout, including edging plants, main layer, specimen or pot plants, corms, bulbs or tubers. • Watering: Keep plants watered as necessary before planting out and water in after planting. • Failed planting: Replant as necessary any plants, or areas of plants, that have failed to thrive.
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470 FLOWER BEDS GENERALLY • Operations: - Remove: Dead flower heads, fallen leaves, litter and debris. - Weeds: Thoroughly hand weed. - Cultivate: Lightly hoe. - Trim: Clip grass edges. • Fungicide: Contractor's choice. • Insecticide: Contractor's choice.
SHRUBS/TREES/HEDGES
500 ESTABLISHMENT OF NEW PLANTING • Duration: 12 months. • Weed control: - Method: Keep planting beds clear of weeds by maintaining full thickness of mulch. - Area: Maintain a weed free area around each tree and shrub, minimum diameter the larger of 1 m or the surface of the original planting pit. • Soil condition: Fork over beds to keep soil loose, with gentle cambers and no hollows. Do not reduce depth or effect of mulch. • Watering: As required to ensure stablishment and healthy growth.
502 ESTABLISHMENT OF NEW PLANTING - FERTILIZER • Time of year: March or April. • Type: Slow release. • Spreading: Spread evenly. Carefully lift and replace any mulch materials. - Application rate: To mannufacturers recommendations.
510 TREE STAKES AND TIES • Inspection/ Maintenance times: As scheduled and immediately after strong winds. • Stakes: - Replace loose, broken or decayed stakes to original specification. - If longer than half of clear tree stem height, cut to this height in spring. Retie to tree firmly but not tightly with a single tie. • Ties: Adjust, refix or replace loose or defective ties, allowing for growth and to prevent chafing. - Where chafing has occurred, reposition or replace ties to prevent further chafing. • Removal of stakes and ties: When instructed. - Fill stake holes with lightly compacted soil.
515 TREE GUY WIRES • Inspection/ Maintenance times: Immediately after strong winds. • Operations: - Replace or resecure loose or missing guy wires. - Adjust to suit stem growth and to provide correct and uniform tension. • Removal: When instructed.
520 REFIRMING OF TREES AND SHRUBS • Timing: After strong winds, frost heave and other disturbances. • Refirming: Tread around the base until firmly bedded. • Collars in soil at base of tree stems, created by tree movement: Break up by fork, avoiding damage to roots. Backfill with topsoil and refirm.
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535 TREE GRILLES • Operations: Lift grilles, remove weeds, adjust levels as necessary and lightly compact. Refit grilles, refill interstices and lightly compact to correct level. • - Material for making up levels and refilling: Horticultural grit.
537 NESTING WILD BIRDS • Survey: Before starting hedge or tree work during the period of February to August (inclusive), carry out a survey by a qualified ecologist and submit report. • Accidental disturbance: Report immediately.
540 PRUNING GENERALLY • Pruning: In accordance with good horticultural and arboricultural practice. - Removing branches: Do not damage or tear the stem or bark. - Wounds: Keep as small as possible and cut cleanly back to sound wood. - Cutting: Make cuts above and sloping away from an outward facing healthy bud, angled so that water will not collect on cut area. - Larger branches: Prune neither flush nor leaving a stub, but using the branch bark ridge or branch collar as a pruning guide. • Appearance: Thin, trim and shape each specimen appropriately to species, location, season, and stage of growth, leaving a well balanced natural appearance. • Tools: Use clean sharp secateurs, hand saws or other approved tools. Trim off ragged edges of bark or wood with a sharp knife. • Disease or infection: Give notice if detected. • Growth retardants, fungicide or pruning sealant: Do not use unless instructed.
555 PRUNING TREES AND SHRUBS • Standard: To BS 7370-4. • Special requirements: Growth retardents not permitted.
570 FORMATIVE PRUNING OF YOUNG TREES • Standard: Type and timing of pruning operations to suit the plant species. • Time of year: Do not prune during the late winter/ early spring sap flow period. • Young trees up to 4 m high: - Crown prune by removing dead branches and reducing selected side branches by one third to preserve a well balanced head and ensure the development of a single strong leader. - Remove duplicated branches and potentially weak or tight forks. In each case cut back to live wood. • Whips or feathered trees: Do not prune. • Operatives: Approved specialist contractor.
575 PRUNING ORNAMENTAL SHRUBS • General: Prune to encourage healthy and bushy growth and desirable ornamental features, e.g. flowers, fruit, autumn colour, stem colour. • Suckers: Remove by cutting back level with the source stem or root.
580 PRUNING FLOWERING SPECIES OF SHRUBS AND ROSES • Time of year: - Winter flowering shrubs: Spring. - Shrubs flowering between March and July: Immediately after the flowering period. - Shrubs flowering between July and October: Back to old wood in winter. - Rose bushes: Early spring to encourage basal growths and a balanced, compact habit.
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600 TRIMMING RAPIDLY ESTABLISHING HEDGES • General: Allow to reach planned height as rapidly as possible. - Form: Trim back lateral branches moderately.
605 TRIMMING SLOWLY ESTABLISHING HEDGES • Operations: - Timing: Cut back hard in June and September to encourage bushy growth down to ground level. - Form: Allow to reach planned dimensions only by gradual degrees, depending on growth rate and habit.
620 REMOVAL OF DEAD PLANT MATERIAL • Operations: At the end of the growing season, check all shrubs and remove all dead foliage, dead wood, and broken or damaged branches and stems.
625 CLIMBING PLANTS • Pruning: Remove excess growth, to ensure that signs, light fittings, doors and windows are kept clear at all times. • Insecure growth: Attach to supporting wires or structures using 1 mm diameter black plastics coated steel wire. • Supporting structures: Check and repair as necessary.
630 DEAD AND DISEASED PLANTS • Removal: Within 1 week of notification. • Replacement: Within 2 weeks.
635 REINSTATEMENT OF SHRUB/ HERBACEOUS AREAS • Dead and damaged plants: Remove. • Mulch/ matting materials: - Carefully move to one side and dig over the soil, leaving it fit for replanting. • - Do not disturb roots of adjacent plants. • Replacement plants: - Use pits and plants: To original specification or to match the size of adjacent or nearby plants of the same species, whichever is the greater. - Additional requirements: None. • Dressing: Slow release fertilizer: - Type: Organic. - Application rate: As manufacturer's recommendations.
645 WEED CONTROL GENERALLY • Weed tolerance: At all times, weed cover less than 5% and no weed to exceed 100 mm high. • Adjacent plants, trees and grass: Do not damage.
650 HAND WEEDING • General: Remove weeds entirely, including roots. • Disturbance: Remove the minimum quantity of soil, and disturb plants, bulbs and mulched surfaces as little as possible. • Completion: Rake area to a neat, clean condition. • Mulch: Reinstate to original depth.
657 HERBICIDE TO KILL REGROWTH • Type: Suitable foliar acting herbicide to kill regrowth. • Timing: Allow recommended period for herbicide to take effect before clearing dead weeds.
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675 DIGGING OVER • General: Dig over beds. Do not damage existing plants, bulbs and roots. - Depth of dig (minimum): 150 mm.
680 SOIL AERATION • Compacted soil surfaces: - Prick up: To aerate the soil of root areas and break surface crust. - Size of lumps: Reduce to crumb and level off. - Damage: Do not damage plants and their roots.
685 SOIL LEVEL ADJUSTMENT • Level of soil/mulch at edges of beds: Reduce to 50 mm below adjacent grass or hard surface. - Arisings (if any): Spread evenly over the bed.
690 MAINTENANCE OF LOOSE MULCH • Thickness (minimum): 75 mm. - Top up: As required to maintain full depth. • Mulch spill on adjacent areas: Remove weeds and rubbish and return to planted area. • Weeding: Remove weeds growing on or in mulch by herbicide treatment.
695 FERTILIZING ESTABLISHED TREES AND SHRUBS • Time of year: During February or March. • Type of fertilizer: Slow release. • Application: Spread evenly. - Rate: As manufacturer's recommendations.
705 WINTER LEAF REMOVAL • Operations: Take down temporary leaf fences. Collect accumulations of drifted leaves from the vicinity and from planting beds. • Arisings: Remove to recycling facility.
TREE WORK
810 TREE WORK GENERALLY • Identification: Before starting work agree which trees, shrubs and hedges are to be removed or pruned. • Protection: Avoid damage to neighbouring trees, plants and property. • Standards: To BS 3998 and Health & Safety Executive (HSE) 'Forestry and arboriculture safety leaflets'. • Removing branches: Cut vertical branches similarly, with no more slope on the cut surface than is necessary to shed rainwater. • Appearance: Leave trees with a well balanced natural appearance. • Chain saw work: Operatives must hold a Certificate of Competence. • Tree work: To be carried out by an approved member of the Arboricultural Association.
815 ADDITIONAL WORK • Defective, diseased, unsafe or weak parts of trees additional to those scheduled for attention: Give notice if detected.
820 PREVENTION OF WOUND BLEEDING • Standard: To BS 3998.
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825 PREVENTION OF DISEASE TRANSMISSION • Standard: To BS 3998.
830 CLEANING OUT AND DEADWOODING • Remove: - Dead, dying, or diseased wood, broken branches and stubs. - Fungal growths and fruiting bodies. - Rubbish, wind blown or accumulated in branch forks. - Wires, clamps, boards and metal objects, if removable without causing further damage and not part of a support structure that is to be retained. - Other unwanted objects, e.g. tree houses, swings. - Climbing plants Remove.
835 CUTTING AND PRUNING GENERALLY • Tools: Appropriate, well maintained and sharp. • Final pruning cuts: - Chainsaws: Do not use on branches of less than 50 mm diameter. - Hand saws: Form a smooth cut surface. - Anvil type secateurs: Do not use. • Removing branches: Do not damage or tear the stem. • Wounds: Keep as small as possible, cut cleanly back to sound wood leaving a smooth surface, and angled so that water will not collect on the cut area. • Cutting: Cut at a fork or at the main stem to avoid stumps wherever possible. Large branches: Remove only with prior approval. - Remove in small sections and lower to ground with ropes and slings. • Dead branches and stubs: When removing, do not cut into live wood. • Unsafe branches: Remove epicormic shoots and potentially weak forks that could fail in adverse weather conditions. • Disease or fungus: Give notice if detected. Do not apply fungicide or sealant unless instructed.
865 BARK DAMAGE • Wounds: - Do not attempt to stop sap bleeding. - Bark: Remove ragged edges using a sharp knife. - Wood: Remove splintered wood from deep wounds. - Size: Keep wounds as small as possible. • Liquid or flux oozing from apparently healthy bark: Give notice.
870 CAVITIES IN TREES • Investigation: Remove rubbish and rotten wood. Probe the cavity to find the extent of any decay, and give notice. • Water filled cavities: Do not drain. • Sound wood inside cavities: Do not remove. • Cavity openings: Do not cover.
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HARD LANDSCAPE AREAS/FENCING
910 HARD SURFACES AND GRAVEL AREAS • Herbicide: Apply a suitable foliar acting or residual herbicide. Allow recommended period for herbicide to take effect before clearing arisings. • Hard surfaces: Remove litter, leaves and other debris. • Surface gutters and channels: Remove mud, silt and debris. • Drainage gullies: Empty traps and flush clean. • Gravel areas: Rake over. Remove weeds, litter, leaves and debris, and level off. • Repairs to flexible bituminous pavings: In accordance with the original paving specification or BS 7370-2, clause 4.12. • Stain removal: In accordance with BS 7370-2, table 4.
920 FENCING • Fences: Inspect and repair to maintain protection against intruders.
Q35-Landscape maintenance Page 65 of 111 Q37 Green roofs
Section Revision History
No. Purpose 0 Issue for tender 10th Sep 2015
Clauses amended in Revision 0
This is the first revision stamp for this section. For all future revision stamps, details of all clauses amended at that revision will be included here. FHA604S01 Dover Court Q37 - Revision 0 7 Aug 2017
Q37 Green roofs
GENERAL
130 EXTENSIVE GREEN ROOF ECOLOGICAL GREEN ROOF TO BIN AND BIKE CHAMBERS • Roof type: ecological / wilflower green roof. - Substrate: Steel roof part of chamber struxcutr . - Slope: Flat. • Waterproofing: Not required (part of chamber). • Thermal insulation: N/A. • Protection: N/A. • Moisture control layers: Moisture retention mat. • Growing medium: Extensive growing medium. - Depth: 100 mm. • Vegetation: Vegetation blanket. • Accessories: None.
PRODUCTS
340 MOISTURE RETENTION MAT to green roof • Manufacturer: Submit proposals . - Product reference: Submit proposals . • Material: Submit proposals . - Capacity: Submit proposals .
400 VEGETATION BLANKET For Green Roof • Manufacturer: Bauder or similar, http://www.bauder.co.uk/, . - Product reference: Bauder XF118 wildflower blanket . • Planting mix: as suplied . - Thickness: as suplied . • Vegetation coverage (minimum): 75%.
EXECUTION
710 INSTALLATION GENERALLY • Preparation: Clear all surfaces of debris. - Timing: After certification of waterproof membrane integrity. - Surface condition: Visually inspect waterproof membrane, report any damage. • Faults in waterproof membrane: Report. • Contamination: Do not use materials detrimental to healthy plant growth. • Storage: Do not overload. - Point loads: Avoid. • Outlets: Do not block. - Outlet grilles: Installed.
720 ADVERSE WEATHER • Unfinished work: Secure from damage and wind uplift. • Conditions: Do not install or work with frozen materials.
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730 INSTALLATION OF INVERTED ROOF INSULATION • Preparation: Clear roof of other trades. • Condition of substrate: Clean. • Fitting: Loose lay. • Joints: Butt together. - End joints: Stagger. • Cutting: Minimize. - Perimeters and upstands: Fit full sized pieces. - Penetrations: Cut cleanly and fit closely. • Stability: Springing and rocking not permitted. • Protection: Cover to prevent wind uplift.
760 MOISTURE RETENTION MAT INSTALLATION • Joints: Minimize. - Overlaps (minimum): 100 mm . • Upstands: Fit closely around penetrations and outlets.
790A GROWING MEDIUM INSTALLATION • Handling: Minimize. - Conditions: Handle in the driest condition possible. Do not handle or install when wet or frozen. • Layers: - Depth (maximum): 100 mm. - Sequence: Gently firm each layer before spreading the next.
800 VEGETATION BLANKET INSTALLATION • Handling blankets: - Timing: Lay within 36 hours of lifting from growing position. - Excessive stacking: Not permitted. - Material loss (maximum): 3% of total surface area. • Growing medium condition: Thoroughly watered. • Laying blankets: - Dry, damaged, frosty or waterlogged blankets: Do not lay. - Orientation: Diagonal or perpendicular to slope of roof. - Joints: Stagger. Butt together or slightly overlap to prevent gaps. Do not stretch blankets. Secure with biodegradeable pegs. - Edges: Finish with whole blankets. - Consolidation: Firm as laying proceeds to ensure full contact with the growing medium. Do not use rollers. • Dressing: Growing medium . - Application: Brush in to fill joints. • Watering: Thorough, immediately after laying and dressing.
COMPLETION
910 INSPECTION • Timing: Before handover. - Give notice (minimum): 3 days.
920 COMPLETION • General: Leave the works in a clean, tidy condition. • Surfaces: Clean immediately before handover. • Outlets: Clean and clear of obstructions. • Completed green roof: Protect from adjacent or high level working.
Q37-Green roofs Page 68 of 111 Q40 Fencing Revision C5
Section Revision History
No. Purpose 0 Issue for Tender 14th Aug 2015 1 Issue for tender 10th Sep 2015 C5 Construction 7th Aug 2017
Clauses amended in Revision C5
No. Clause 330C CONCRETE PALISADE FENCING Revised 360 CONCRETE PALISADE FENCING Deleted FHA604S01 Dover Court Q40 - Revision C5 7 Aug 2017
Q40 Fencing
FENCING SYSTEMS
170A ACOUSTIC SOUND BARRIER To Ball Court • Manufacturer: Cheviot Trees or similar, www.etsluk.com. - Product reference: Acoustic 120 Economy green barrier in living willow. • Height: 2.5m. • Materials: as design intent drawing FHA-604-D-402. Centres of posts (maximum): As manufacturer's recommendations. • Method of setting posts: As manufacturer's recommendations. • Accessories: As manufacturer's recommendations.
220A STEEL RAILINGS R1 - railing on soft planting area • Manufacturer: Contractor's choice. - Product reference: Refer to design intend detail 01-D-511 • Standard: To BS 1722-8 • Height: 900 mm. • Posts and bars: - Corner/ End posts: 50x10mm bar. - Intermediate bars/ Joiner posts: 50x10mm bar. - Finish: Polyester powder coated, as section Z31. Colour: TBC. - Centres of posts (maximum): - Joiner posts: 6 m. - Intermediate posts: 1 m. • Method of setting posts: - Intermediate/ Joiner posts: Driven. - End and corner posts: Set in rammed earth to a minimum depth of 450 mm. • Accessories: None. • Conformity: Submit manufacturer's and installer's certificates, to BS 1722-8.
220B STEEL RAILINGS R2 • Manufacturer: Contractor's choice. - Product reference: Refer to design intend detail 02-D-511 • Standard: To BS 1722-8 • Height: 1100 mm. • Posts and bars: - Corner/ End posts: 50x10mm bar and 50x50mm post if required. - Intermediate bars/ Joiner posts: 50x10mm bar. - Finish: Polyester powder coated, as section Z31. Colour: TBC. - Centres of posts (maximum): - Joiner posts: 6 m. - Intermediate posts: 1 m. • Method of setting posts: - Intermediate/ Joiner posts: Driven. - End and corner posts: in concrete haunching. • Accessories: Single leaf gate 990mm (clear opening 910mm). Locking system to client requirements. • Conformity: Submit manufacturer's and installer's certificates, to BS 1722-8.
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220C STEEL RAILINGS R3 - railing on wall • Manufacturer: Contractor's choice. - Product reference: Refer to design intend detail 03-D-511 • Standard: To BS 1722-8 • Height: 500 mm. • Posts and bars: - Corner/ End posts: 50x10mm bar and 50x50mm post if required. - Intermediate bars/ Joiner posts: 50x10mm bar. - Finish: Polyester powder coated, as section Z31. Colour: TBC. - Centres of posts (maximum): - Joiner posts: 6 m. - Intermediate posts: 1 m. • Method of setting posts: - Intermediate/ Joiner posts: Driven. - End and corner posts: in concrete haunching. • Accessories: Single leaf gate 990mm (clear opening 910mm). Locking system to client requirements. • Conformity: Submit manufacturer's and installer's certificates, to BS 1722-8.
220D STEEL RAILINGS R4 high rail • Manufacturer: Contractor's choice. - Product reference: Refer to design intend detail 04-D-511 • Standard: To BS 1722-8 • Height: 1600 mm. • Posts and bars: - Corner/ End posts: 50x10mm bar and 50x50mm post if required. - Intermediate bars/ Joiner posts: 50x10mm bar. - Finish: Polyester powder coated, as section Z31. Colour: TBC. - Centres of posts (maximum): - Joiner posts: 6 m. - Intermediate posts: 1 m. • Method of setting posts: - Intermediate/ Joiner posts: Driven. - End and corner posts: in concrete haunching. • Accessories: None. • Conformity: Submit manufacturer's and installer's certificates, to BS 1722-8.
330A WOOD/ TIMBER SCREEN R5 • Manufacturer: Contractor's choice. - Product reference: Refer to design intend detail 01-D-512. • Height: 1800 mm. • Wood: hardwood Iroko. - Treatment: To provide a 30 year service life. - Finish: None. • Palisades and rails: as drawing. • Posts: as drawing. • Centres of posts (maximum): 3 m. • Method of setting posts: As drawing. • Accessories: Steel bars to hold slats as drawing. Single leaf gate at pedestrian entrance. Locking system to client requirements. • Conformity: Submit manufacturer's and installer's certificates, to BS 1722-5.
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330B WOOD/ TIMBER SCREEN R6 • Manufacturer: As R5. Height: 1200 mm.
330C CONCRETE PALISADE FENCING R7 • Manufacturer: AVS fencing supplies. . - Product reference: Concrete gravel board fence. • Height: 1.8m. • Centres of posts (maximum): 1.83m. • Number of pales per bay: As manufacturer's recommendations. • Method of setting posts: As manufacturers recommendations. • Accessories: Slotted concrete posts. • Gravel board panels: Smooth finish PC concrete (Revised - Q40 revision C5 - 7th Aug 2017)
360 CONCRETE PALISADE FENCING (Deleted - Q40 revision C5 - 7th Aug 2017)
430A PROPRIETARY FENCING to Ball Court • Manufacturer: Zaun.co.uk or similar. - Product reference: Zuo8, refer to design intent detail drawing FHA-604-D-601 and 602. • Height: 2.4m (on top 0.6m wall) and 3m high. • Materials: as suplied. Centres of posts (maximum): As manufacturer's recommendations. • Method of setting posts: As manufacturer's recommendations. • Accessories: - Goal ends for football and basketball table; - Double leaf gates; and - Single leaf gate at pedestrian entrance.
GATES, POSTS AND STILES
EXECUTION
710 INSTALLATION GENERALLY • Set out and erect: - Alignment: Straight lines or smoothly flowing curves. - Tops of posts: Following profile of the ground. - Setting posts: Rigid, plumb and to specified depth, or greater where necessary to ensure adequate support. - Fixings: All components securely fixed.
720 SETTING POSTS IN CONCRETE • Standard: To BS 8500-2. • Mix: Designated concrete not less than GEN1 or Standard prescribed concrete not less than ST2. • Alternative mix for small quantities: 50 kg Portland cement to 150 kg fine aggregate to 250 kg 20 mm nominal maximum size coarse aggregate, medium workability. • Admixtures: Do not use. • Holes: Excavate neatly and with vertical sides. • Filling: Position post/ strut and fill hole with concrete to not less than the specified depth, well rammed as filling proceeds and consolidated. • Backfilling of holes not completely filled with concrete: Excavated material, well rammed and consolidated.
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740 SETTING POSTS IN EARTH • Holes: Excavated neatly, with vertical sides and as small as practicable to allow refilling. • Filling: Position posts/ struts and replace excavated material, well rammed as filling proceeds.
770 SITE CUTTING OF WOOD • General: Kept to a minimum. • Below or near ground level: Cutting prohibited. • Treatment of surfaces exposed by minor cutting and drilling: Two flood coats of solution recommended for the purpose by main treatment solution manufacturer.
780 MAKING GOOD GALVANIZED SURFACES • Treatment of minor damage (including on fasteners and fittings): Low melting point zinc alloy repair rods or powders made for this purpose, or at least two coats of zinc-rich paint to BS 4652. • Thickness: Apply sufficient material to provide a zinc coating at least equal in thickness to the original layer.
COMPLETION
910 CLEANING • General: Leave the works in a clean, tidy condition. • Surfaces: Clean immediately before handover.
920 FIXINGS • All components: Tighten. - Timing: Before handover.
930 GATES • Hinges, latches and closers: Adjust to provide smooth operation. Lubricate where necessary. - Timing: Before handover.
Q40-Fencing Page 73 of 111 Q50 Site/street furniture/equipment Revision C5
Section Revision History
No. Purpose 0 Issue for Tender 14th Aug 2015 1 Issue for tender 28th Sep 2015 2 C1 construction issue 15 Jul 2016 20th Apr 2017 C2 Accessiblility comments 10 Oct 2016 20th Apr 2017 C3 Construction issue 3 20th Apr 2017 C4 Construction 4th May 2017 C5 Construction 7th Aug 2017
Clauses amended in Revision C5
No. Clause 225B SEATING Deleted 225H SEATING Added 226A SEATING Revised FHA604S01 Dover Court Q50 - Revision C5 7 Aug 2017
Q50 Site/street furniture/equipment
To be read with Preliminaries/ General conditions.
190 BOLLARDS FIXED • Manufacturer: Blueton Ltd T:01324829661. - Product reference: Ref 259 square bollard 120mm. • Material: Stainless steel. - Finish as delivered: Brushed. - Colour: As supplied. • Height above ground: 900. • Special features: None. • Method of fixing: Root fixing into mass concrete foundation to manufacturer's recommendations.
196 REMOVABLE BOLLARDS Generrally • Manufacturer: Blueton Ltd. T: 01324828661. - Product reference: Ref 259 Square bollard 120mm. • Material: Stainless steel. - Finish as delivered: Brushed. - Colour: As suppplied. • Height above ground: 900. • Special features: None. • Method of fixing: Concrete base with manufacturer's standard lockable socket.
SITE AND STREET FURNITURE
205A PERGOLA Furniture F8 • Manufacturer: Woodscape or similar, www.woodscape.co.uk. - Product reference: Hardwood timber pergola, refer to design intent FHA-604-D-615. • Material: Iroko hardwood, FSC certified. - Finish: As manufactured. - Colour: None. • Dimensions: refer to drawings. • Accessories: as manufactured. • Method of fixing: Root fixings/ base plate fixings, set in concrete base. Concrete base to be min. 300mm below surface.
210A CYCLE STANDS Furniture 'Cy' • Manufacturer: Kent Stainless, www.kentstainless.co.uk or similar. - Product reference: KACS815, refer to detail drawing FHA-604-D-614. • Material: Stainless steel. - Finish: Brushed. - Colour: None. • Number of stands: as drawings. • Accessories: none. • Method of fixing: Root, 300 mm below ground, set in concrete base. Concrete base to be min. 100mm below surface.
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220A BENCHES F2 concrete cube • Manufacturer: contractor choice or Hardscape or similar, www.hardscape.co.uk. - Product reference: refer to design intent detail 02/D-611, Elemental (pre-cast concrete). • Material: Precast concrete. - Finish: smooth, as manufactured. - Colour: WIT (white). • Size: 0.5x0.5m long. • Accessories/ Special requirements: None. • Method of fixing: As drawing.
220B BENCHES F5 timber cube • Manufacturer: Bramhall 1840 or similar, www.bramhall1840.co.uk. - Product reference: timber cube, refer to design intent detail 03/D-611. • Material: Galvanised Steel and hardwood (Iroko). - Finish: planed timber. - Colour: None. • Size: as drawing. • Accessories/ Special requirements: None. • Method of fixing: As drawing FHA-604-D-611.
225A SEATING F1 • Manufacturer: contractor choice or Hardscape or equivalent approved, www.hardscape.co.uk. - Product reference: refer to design intent detail 01/D-611, Elemental (pre-cast concrete). • Material: Precast concrete. - Finish: smooth, as manufactured. - Colour: WIT (white). • Size: 0.5x2m module. • Accessories/ Special requirements: Special sizes to end of wall runs, refer to plans. • Method of fixing: none.
225B SEATING (Deleted - Q50 revision C5 - 7th Aug 2017)
225C SEATING F3 - curved seat with backrest • Manufacturer: Streetlife or similar, www.streetlife.nl/en. - Product reference: Rough & Ready curve, refer to design intent drawing FHA-604-D-612.
• Material: FSC Hardwood top (Iroko) and galvanised steel feet. - Finish: Timber: Natural; Steel feet: polyester powder coated as section Z31. - Colour: Timber: Natural; Steel feet: RAL colour TBC. • Size: refer to drawing. • Accessories/ Special requirements: Backrests as drawing. • Method of fixing: steel base to concrete hunching.
225D SEATING F4 - seat to wall • Manufacturer: Streetlife or similar, www.streetlife.nl/en. - Product reference: Rough & Ready bench top, refer to design intent drawing FHA-604-D -613. • Material: FSC Hardwood top (Iroko) and galvanised steel feet. - Finish: Timber: Natural; Steel feet: polyester powder coated as section Z31. - Colour: Timber: Natural; Steel feet: RAL colour TBC. • Size: refer to drawing. • Accessories/ Special requirements: None. • Method of fixing: As FHA-604-D-706.
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225E SEATS F7a Garden seat • Manufacturer: Green Oak Furniture T: 01691611864. - Product reference: Classic Bench with arms. 2m. • Material: Wood (Oak). - Finish: As manufactured. - Colour: Natural. • Size: 2m long. • Accessories/ Special requirements: None. • Method of fixing: loose laid.
225G SEATING Linear Seat F9 • Manufacturer: Streetlife or similar, www.streetlife.nl/en. - Product reference: Beethoven Bench. • Material: FSC Hardwood top (Iroko) and galvanised steel feet. - Finish: Timber: Natural; Steel feet: polyester powder coated as section Z31. - Colour: Timber: Natural Steel feet: RAL colour TBC. • Size: 3x1m. • Accessories/ Special requirements: 2m long back rest. • Method of fixing: refer to manufacturers details.
225H SEATING Linear Seat F10 • Manufacturer: [Streetlife or similar, www.streetlife.nl/en]. - Product reference: [Rough & Ready 6, refer to drawing FHA-604-D-612] • Material: [FSC Hardwood top (Iroko) and galvanised steel structure]. - Finish: [Timber: Natural; Steel feet: polyester powder coated as section Z31]. - Colour: [ Timber: Natural Steel feet: RAL colour TBC]. • Size:2.5m]. • Accessories/ Special requirements: [Back rests]. • Method of fixing: [Root, to manufacturer recommendations] (Added - Q50 revision C5 - 7th Aug 2017)
226A SEATING Linear Seat F6 • Manufacturer: [Streetlife or similar, www.streetlife.nl/en]. - Product reference: [Rough & Ready 6, refer to drawing FHA-604-D-612] • Material: [FSC Hardwood top (Iroko) and galvanised steel structure]. - Finish: [Timber: Natural; Steel feet: polyester powder coated as section Z31]. - Colour: [ Timber: Natural Steel feet: RAL colour TBC]. • Size: [3m]. • Accessories/ Special requirements: [Back rests]. • Method of fixing: [Root, to manufacturer recommendations] (Revised - Q50 revision C5 - 7th Aug 2017)
230A TABLES F7b Garden Table • Manufacturer: Gaze Burvill or similar, www.gazeburvil.com. - Product reference: Splash, TS1F. • Material: Wood (Oak). - Finish: As manufactured. - Colour: Natural. • Size: 1.48x0.81x0.40m. • Accessories/ Special requirements: none. • Method of fixing: none.
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240A LITTER BINS B1 • Manufacturer: Voss or similar, www.VossStreetFurniture.com. - Product reference: Lb20. • Material: Stainless steel - Finish: Brushed. - Colour: Natural. • Accessories/ Special requirements: None. • Method of fixing: Standard base plate.
340A BESPOKE SIGNAGE Signage Totem 'Sn1' • Material: Refer to detail drawing FHA-604-D-641. • Approximate size: as design intent drawing drawing. • Other: Letering / naming as design intent.
340B BESPOKE SIGNAGE Signage Totem 'Sn2' • Material: Refer to detail drawing FHA-604-D-641 • Approximate size: as design intent drawing drawing. • Other: Letering / naming as design intent.
350 NESTING BOXES for Birds • Manufacturer: The Nest Box Company, www.nestbox.co.uk or similar. - Product reference: 1. Large Bird Nest Box (30%) 2. Apex Bird Box 32mm hole (70%). • Material: Softwood FSC. - Finish: As manufactured. - Colour: None. • Accessories/ Special requirements: Concealed, vandal proof fixings as possible. • Method of fixing: Tree-mounted.
401A WATER TAP/ POINT Water point for maintenance • Manufacturer: Edwards Standpipes, www.standpipes.com, or similar. - Product reference: ICE34 Iceberg Standpipe with 3/4'' snap coupling. • Material: Galvanised steel. - Finish: Brushed. - Colour: None. • Accessories/ Special requirements: Shell and Plumbing. • Method of fixing: to manufacturer's details.
411 GARDEN WATER BUTTS Water point for maintenance • Manufacturer: Ecosure T: 01763261781. - Product reference: 280lt Slimline Water Butt. • Material: Medium density polyethylene. - Finish: As supplied. - Colour: Buff. • Accessories/ Special requirements: 3/4'' BSP outlet, proprietary stand, downpipe connector, vented lid..
Q50-Site/street furniture/equipment Page 78 of 111 FHA604S01 Dover Court Q50 - Revision C5 7 Aug 2017
INSTALLATION
510 CONCRETE FOUNDATIONS GENERALLY • Standard: To BS 8500-2. • Concrete: to structural engineers details. • Admixtures: Do not use. • Foundation holes: Neat vertical sides. • Depth of foundations, bedding, haunching: Appropriate to provide adequate support and to receive overlying soft landscape or paving finishes.
515 SETTING COMPONENTS IN CONCRETE • Holes: 250 x 250 x minimum 300 mm deep. • Components: Accurately positioned and securely supported. • Concrete fill: Fully compacted as filling proceeds. • Concrete foundations exposed to view: Compacted until air bubbles cease to appear on the upper surface, then weathered to shed water and trowelled smooth. • Temporary component support: Maintain undisturbed for minimum 48 hours.
530 PRESERVATIVE TREATED TIMBER • Surfaces exposed by minor cutting and drilling: Treated by immersion or with two flood coats of a solution recommended for the purpose by main treatment solution manufacturer. • Heavily worked sections: Re-treat.
540 BUILDING IN TO MASONRY WALLS • Components being built in: Accurately positioned and securely supported. Set in mortar and pointed neatly to match adjacent walling. • Temporary support: Maintain for 48 hours (minimum) and prevent disturbance.
545 ERECTION OF TIMBER AND PREFABRICATED STRUCTURES • Checking: 5 days (minimum) before proposed erection date, check foundations, holding down bolts, etc. • Inaccuracies or defects in prepared bases or supplied structures: Report immediately. Obtain instructions before proceeding.
550 DAMAGE TO GALVANIZED SURFACES • Minor damage in areas up to 40 mm² (including on fixings and fittings): Make good. - Material: Low melting point zinc alloy repair rods or powders made for this purpose or at least two coats of zinc-rich paint to BS 4652. - Thickness: Sufficient to provide a zinc coating at least equal to the original layer.
560 SITE PAINTING • Timing: Prepare surfaces and apply finishes as soon as possible after fixing.
Q50-Site/street furniture/equipment Page 79 of 111 Q52 Play and sports equipment Revision C3
Section Revision History
No. Purpose 0 Issue for Tender 14th Aug 2015 1 Issue for tender 10th Sep 2015 2 C1 construction issue 15 Jul 2016 20th Apr 2017 C3 Construction issue 3 20th Apr 2017
Clauses amended in Revision C3
No. Clause 320 BALANCE BEAM Revised 360A NON-STANDARD PLAY STRUCTURE Revised 560A EXERCISE EQUIPMENT Revised FHA604S01 Dover Court Q52 - Revision C3 7 Aug 2017
Q52 Play and sports equipment
GENERAL
140 MULTI USE GAMES AREA Ball Court in Park • Equipment: Multi use games markings for practice of football (5 a side), basketball, bike polo,. - System manufacturer: Contractor's choice. • Surfacing: permeable asphalt, coloured as Q22/127A. - Line markings: Painted or thermoplastic markings, submit proposals. • Containment: In-situ concrete wall with fence (as section Q40). • Accessories: - Lighting columns and luminaires, as section V91.
PRODUCTS
PLAY EQUIPMENT IN ABEYANCE TO BE AGREED BY LBI GREENSPACES
320 BALANCE BEAM PL4 low balancing climber • Standard: To BS EN 1176-1. • Manufacturer: Kompan T:01908201002. - Product reference: Balance beam on springs NRO827-0401. • Age range: 6-12. • Materials: Untreated hardwood. - Finish: Sanded smooth, free of splinters, bark or protruding parts. - Colour: Natural. • Length: As supplied. • Height: As supplied. • Features: None. • Method of fixing: Root fixing. Strctly to manufacturer's recommendations. (Revised - Q52 revision C3 - 20th Apr 2017)
336 CLIMBING BOULDERS PL7 . • Standard: To BS EN 1176-1. • Manufacturer: Entre-prises Rock Climbing T:01282444800. - Product reference: Voyager. • Age range: 7-12. • Materials: GRP. • Size: - Height: 1.2m - Width: 1m - Overhang (maximun): N/A Features: None. • Finish: Custom • Method of fixing: Resin anchored to concrete foundation to manufacturer's recommendations. • Accesories: 34No. bolted on holds
Q52-Play and sports equipment Page 81 of 111 FHA604S01 Dover Court Q52 - Revision C3 7 Aug 2017
337 CLIMBING BOULDERS PL8 . • Standard: To BS EN 1176-1. • Manufacturer: Entre-prises Rock Climbing T:01282444800. - Product reference: Explorer. • Age range: 7-12. • Materials: GRP. • Size: - Height: 1.5m - Width: 1.7m - Overhang (maximun): N/A Features: None. • Finish: Custom • Method of fixing: Resin anchored to concrete foundation to manufacturer's recommendations. • Accesories: 91No. bolted on holds
360A NON-STANDARD PLAY STRUCTURE PL12 Climbing structures • Standard: To BS EN 1176-1. • Manufacturer: Kompan T:01908201002 - Product reference: Bloqx2 BLX410201-3717 • Materials: As supploiedl. - Finish: As supplied. • Size: 4790x5900mm. • Height: 1710mm. • Method of fixing: To manunfacturer recommendations. (Revised - Q52 revision C3 - 20th Apr 2017)
361 NON-STANDARD PLAY STRUCTURE. LIVING WILLOW TUNNEL PL10 • Standard: To BS EN 1176-1. • Materials: Living willow tunnel. - Finish: N/A. • Size: 2.1 m long. 1.5m wide.. • Height: 1.5m min. • Method of fixing: planted.
362 NON-STANDARD PLAY STRUCTURE. STEPPING LOGS PL9 • Standard: To BS EN 1176-1. • Manufacturer: Russel Play. T:01590675652 - Product reference: H14 stepping logs • Materials: untreated hardwood. - Finish: Smooth sanded. • Size: various. Min 300mm diameter. • Height: 300-600mm over ground level. • Method of fixing: Mass concrete root fixing to amufacturer recommendations.
Q52-Play and sports equipment Page 82 of 111 FHA604S01 Dover Court Q52 - Revision C3 7 Aug 2017
364 NON-STANDARD PLAY STRUCTURE. CRAWL TUNNEL PL5 Contractor to submit shop dwgs to landscape architect for approval 4 weeks prior to commencement of fabrication. • Standard: To BS EN 1176-1. • Manufacturer: Massey & Harris. T:01614805243 - Product reference:Crawl tunnel • Materials: Stainless steel. - Finish: Polished. • Size: 2.4m long. • Height: 760mm diameter. • Method of fixing: tubular legs fixed to mass concrete foundation to manufacturer recommendations.
365 NON-STANDARD PLAY STRUCTURE. RUBBER SPHERES PL2 • Standard: To BS EN 1176-1. • Manufacturer: Technik T: 02380430040 - Product reference: Rubber spheres • Materials: Rubber crumb surface. - Finish: As supplied. • Size: Varies. Refer to FHA-604-D-702, 703. • Height: Varies. • Method of fixing: Root fixing to manufacturer recommendations.
366A NON-STANDARD PLAY STRUCTURE. STEPPING BOULDERS PL1 • Standard: To BS EN 1176-1. • Supplier: CED T:01708867237 - Product reference: N/A • Materials: Natural stone. Free of points, cracks and sharp areas. - Finish: Natural. • Size: Varies.Min: 300x300x300, Max:600x600x600. • Height: Min 300, Max 600mm. • Method of fixing: Mass concrete. Min 1/3 of boulder height embedded into concrete.
420A SLIDE PL3 Contractor to submit shop dwgs to landscape architect for approval 4 weeks prior to commencement of fabrication. • Standard: To BS EN 1176-1 and -3. • Manufacturer: Massey & Harris. T: 01614805243. - Product reference: Half round embankemet slide. • Age range: 3-12. • Format: Straight. • Materials: Stainless steel. - Finish: Polished. - Colour: As supplied. • Deck height: 1.2m. • Slide width: 625mm. • Method of fixing: Root fixings into mass concrete to manufacturer recommendations. • Accesories: Warning sign on inside in stainless steel showing pictogram indicating that surface may be hot
Q52-Play and sports equipment Page 83 of 111 FHA604S01 Dover Court Q52 - Revision C3 7 Aug 2017
560A EXERCISE EQUIPMENT PL 13 • Manufacturer: Kompan T: 01908201002. - Product reference: Small Arc Ladder COR20200001. • Type: Steel climbing structure. • Materials: As suppliedl. - Finish: As supplied. • Features: None. • Method of fixing: Root fixing to manufacturer recommendations. (Revised - Q52 revision C3 - 20th Apr 2017)
660A SPATIAL NETWORK EQUIPMENT PL20. Refer to FHA-604-D-721 Specialist contractor item. Contractor to submit shop dwgs to landscape architect for approval 4 weeks prior to commencement of fabrication • Standard: To BS EN 1176-1 and -11. • Manufacturer: Kompan / Corocord. - Product reference: Bespoke item. • Age range: 6-12. • Materials: Steel structure with reinforced rope and rubber surfaces. - Finish: Steel powder coated. - Colour: Green RAL 6038. • Diameter: Refer to manufacturer information. • Features: Patial net, rubber slide, basket swing. • Method of fixing: Mass concrete foundations to manufacturer recommendations.
EXECUTION
710 PLAY EQUIPMENT INSTALLATION GENERALLY • Standard: To manufacturer's written instructions provided in accordance with BS EN 1176- 1.
720 CONCRETE FOUNDATIONS GENERALLY • Standard: To BS 8500-2. • Concrete: Designated, not less than GEN 1 or Standard prescribed, not less than ST2. • Admixtures: Do not use. • Foundation holes: Neat vertical sides. • Depth of foundations, bedding, haunching: Appropriate to provide adequate support and to receive overlying soft landscape or paving finishes.
725 SETTING COMPONENTS IN CONCRETE • Holes: 250 x 250 x minimum 300 mm deep. • Components: Accurately positioned and securely supported. • Concrete fill: Fully compacted as filling proceeds. • Concrete foundations exposed to view: Finished to weathering profile to shed water and trowel smooth. • Temporary component support: Maintain undisturbed for minimum 48 hours.
750 DAMAGE TO GALVANIZED SURFACES • Minor damage in areas up to 40 mm² (including on fixings and fittings): Make good. - Materials: Low melting point zinc alloy repair rods or powders made for this purpose or at least two coats of zinc-rich paint to BS 4652. - Thickness: Sufficient to provide a zinc coating at least equal to the original layer.
Q52-Play and sports equipment Page 84 of 111 FHA604S01 Dover Court Q52 - Revision C3 7 Aug 2017
760 SITE PAINTING • Timing: Prepare surfaces and apply finishes as soon as possible after installing components.
COMPLETION
910 INSPECTION • Standard: In accordance with equipment manufacturer's maintenance and inspection instructions. • Timing: 2 weeks prior to date when work is expected to be practically complete. • Period of notice (minimum): 3 working days.
920 CLEANING • General: Leave the works in a clean, tidy condition. • Surfaces: Clean immediately before handover.
930 TESTING • Standard: To BS EN 1176-1.
970 OPERATING TOOLS • Tools: Supply tools required for operation, maintenance and cleaning purposes.
Q52-Play and sports equipment Page 85 of 111 Q55 External decks, boardwalks and bridges
Section Revision History
No. Purpose 0 Issue for tender 10th Sep 2015
Clauses amended in Revision 0
This is the first revision stamp for this section. For all future revision stamps, details of all clauses amended at that revision will be included here. FHA604S01 Dover Court Q55 - Revision 0 7 Aug 2017
Q55 External decks, boardwalks and bridges
GENERAL
110 DECK S3 • Base preparation: Remove projections and debris and lay 1000 gauge polyethylene sheet with slits for drainage; cover with 75 mm depth of 10 mm single size gravel. • Structure, other than surfacing: Hardwood. - Fasteners: Galvanized M10 black bolts to BS 4190, grade 4.6, with washers to suit / Contractor's choice. • Post setting: Posts set in concrete. • Surfacing: Deck boards, refer to clause 380. - Method of attachment: Deck board clips, invisible system. • Guarding: Not required. • Edge protection: Not required. • Accessories: Submit proposals.
PRODUCTS
310 STRUCTURAL SOFTWOOD (GRADED DIRECT TO STRENGTH CLASS) For temporary timber staircase to Phase 1 • Grading standard: To BS 4978, BS EN 14081-1, -2, -3 and -4, or other national equivalent and so marked. • Strength class to BS EN 338: C18. • Treatment: Not required.
330 STRUCTURAL HARDWOOD (GRADED DIRECT TO STRENGTH CLASS) FOR DECK STRUCTURE GENERALLY • Grading standard: To BS 5756 and so marked. • Strength class to BS EN 338: D35. • Surface finish: Planed all round. • Treatment: To WPA Commodity Specification C2, to provide a 30 year service life.
380 DECK BOARDS for S3 • Manufacturer: Silva Timber or similar, www.silvatimber.co.uk. - Product reference: Iroko Decking. • Material: Hardwood. • Treatment: To WPA Commodity Specification C12, to provide a 30 year service life. • Profile: Plain. • Finished size: 138 x 21 mm. - Length: To suit deck design. • Finish: Exterior wood stain as section M60. • Features: use of invisible fixings.
Q55-External decks, boardwalks and bridges Page 87 of 111 FHA604S01 Dover Court Q55 - Revision 0 7 Aug 2017
390 GUARDING To temporary timber stair in Phase 1 • Manufacturer: Contractor's choice. - Product reference: Contractor's choice, refer to detail drawing FHA-604-D-202. • Height: 900 mm. • Material: Softwood. - Treatment: Not required. • Finish: paned timber. - Colour: natural. • Handrail: As drawing. - Material and finish: Softwood. - Cross section: As drawing. - Height (to upper surface of handrail): As drawing. • Lower handrail: As drawing. - Material and finish: Softwood. - Cross section: As drawing. - Height (to upper surface of handrail): as drawing. • Accessories: Integral lighting as drawing.
FABRICATION
510 FABRICATION GENERALLY • Design: Complete the detailed design and obtain approval prior to commencing fabrication. • Shop drawings: Submit. • Structural calculations: Submit. • Frameworks: Assemble and brace, including temporary members required for installation. • Contact between dissimilar metals: Avoid. • Fixings: Fully bolt together. Tighten bolts. • Temporary support: Do not subject members to non-design loadings.
EXECUTION
610 LOADING • Site activities: Restrict, to ensure that design loads are not exceeded, or submit proposals for temporary supports.
620 CONCRETE FOUNDATIONS GENERALLY • Standard: To BS 8500-2. • Mix: Designated concrete not less than GEN 1 or standard prescribed concrete not less than ST2. • Admixtures: Do not use. • Foundation holes: Neat vertical sides. • Depth of foundations, bedding, haunching: Appropriate to provide adequate support and to receive overlying soft landscape or paving finishes.
630 SETTING COMPONENTS IN CONCRETE • Holes: 250 x 250 x minimum 300 mm deep. • Components: Accurately positioned and securely supported. • Concrete fill: Compact as filling proceeds. • Concrete foundations exposed to view: Finished to weathering profile to shed water and trowel smooth. • Temporary component support: Maintain undisturbed for minimum 48 hours.
Q55-External decks, boardwalks and bridges Page 88 of 111 FHA604S01 Dover Court Q55 - Revision 0 7 Aug 2017
640 SETTING COMPONENTS IN EARTH • Holes: As small as practicable. • Components: Accurately positioned and securely supported. • Buried depth (minimum): 600 mm. • Earth fill: Well rammed as filling proceeds.
650 DRIVEN POSTS • Driven depth below finished ground level (minimum): 300 mm. • Post heads: Minimize damage during driving. Finish neatly after installation.
660 PRESERVATIVE TREATED TIMBER • Surfaces exposed by minor cutting and drilling: Treated by immersion or with two flood coats of a solution recommended for the purpose by main treatment solution manufacturer. • Heavily worked sections: Re-treat.
665 INSTALLATION GENERALLY • Fasteners and methods of fixing: As section Z20. • Structural members: Do not modify, cut, notch or make holes in structural members, except as indicated on drawings. • Temporary support: Do not use stairs, walkways or balustrades as temporary support or strutting for other work.
670 INSTALLATION OF SURFACING • Heading joints: Kept to a minimum, and formed only as butt joints situated over joists. • Length: Each board must span not less than two bays between joists with joints in adjacent boards staggered. • Gaps between boards: 4-6 mm.
680 SITE PAINTING AND STAINING • Timing: Prepare surfaces and apply finishes as soon as possible after installing components.
Q55-External decks, boardwalks and bridges Page 89 of 111 R13 Land drainage
Section Revision History
No. Purpose 0 Issue for tender 10th Sep 2015
Clauses amended in Revision 0
This is the first revision stamp for this section. For all future revision stamps, details of all clauses amended at that revision will be included here. FHA604S01 Dover Court R13 - Revision 0 7 Aug 2017
R13 Land drainage
GENERALLY
DRAINS
201 FILTER DRAINS • Trench: - Depth: 600 mm. - Width: 300 mm. • Backfill: - Material: Granular surround and backfill - surface water drains. - Recycled content of granular material: Contractor's choice. - Level: To finished ground level.
EXCAVATING/ BEDDINGS/ SURROUNDS/ BACKFILL
500 TOPSOILING • Filter drains: Do not lay until soiling operations, including spreading and grading of topsoil, have been completed. • Segregation: Carefully remove topsoil when forming trenches and prevent mixing with subsoil.
505 EXCAVATION • Pipe gradients: Between 1 in 200 and 1 in 80. • Subsoil: Remove from site or to approved locations at end of each day and before pipe laying. Do not disperse on topsoiled areas. - Approved locations: To be agreed with CA.
540 GRANULAR SURROUND AND BACKFILL - SURFACE WATER DRAINS • Material: Clean gravel, broken stone, hard clinker or slag, with no fines, graded 75 to 20 mm or approved recycled material.
560 GRANULAR BACKFILLING TO DRAINS WITHOUT PIPES • General: Not applicable to narrow trenches where a backfill is placed continuously by machine. • Placing: Backfill in maximum 300 mm thick layers, with mechanical compaction, up to finished ground level.
800 CLEANING • General: Thoroughly flush out the whole of the installation with clean water to remove silt and debris immediately before handover. • Washings and detritus: Dispose of safely. Do not discharge into sewers or watercourses.
R13-Land drainage Page 91 of 111 V91 Electrical systems - landscape Revision C5
Section Revision History
No. Purpose 0 Issue for Tender 14th Aug 2015 1 Issue for tender 28th Sep 2015 C5 Construction 27th Jul 2017
Clauses amended in Revision C5
No. Clause 340A LUMINAIRES FOR ROAD AND STREET LIGHTING Revised FHA604S01 Dover Court V91 - Revision C5 7 Aug 2017
V91 Electrical systems - landscape
GENERAL
115A EXTERNAL LIGHTING SYSTEM Dover Court • Refer to M&E drawings and specification
PRODUCTS
305 PARTICULAR PRODUCT STANDARDS • Mineral insulated copper sheathed cables: To BS EN 60702-1. - Mineral insulated copper sheathed cable terminations: To BS EN 60702-2. • Cable distribution cabinets: To BS EN 60439-5 or BS EN 61439-1 and BS EN 61439-5. • Trunking and ducting: To BS EN 50085-1. • Luminaires: To BS EN 60598-1 and BS EN 55015. • Separated extra low voltage (SELV) transformers: To BS EN 61558-2-1. • Lighting columns: - Aluminium: To BS EN 40-6. - Steel: To BS EN 40-5. • Discharge lamp controlgear: To BS EN 60923 and BS EN 61347-2-9 or to BS EN 62386- 101, -102, and -203. • High frequency fluorescent lamp controlgear: To BS EN 60929 and BS EN 61347-2-3 or to BS EN 62386-101, -102, and -201. • LED module controlgear: To BS EN 61347-2-13 or to BS EN 62386-101, -102, and -207. • Low voltage halogen lamp dimmable digital addressable lighting interface (DALI) controlgear: To BS EN 62386-101, -102, and -204. • Incandescent lamp digital addressable lighting interface (DALI) controlgear: To BS EN 62386-101, -102 and -205. • Lamps: - Compact fluorescent lamps: To BS EN 60901 and BS EN 61199. - High pressure mercury lamps: To BS EN 60188 and BS EN 62035. - High pressure sodium lamps: To BS EN 62035. - Light emitting diode (LED) modules to BS EN 62031. - Metal halide lamps: To BS EN 62035. - Tubular fluorescent lamps: Single-capped: To BS EN 60901 and BS EN 61199. - Tubular fluorescent lamps: Double-capped: To BS EN 60081 and BS EN 61195. - Tungsten halogen lamps: To BS EN 60432-2 and BS EN 60357. • Incandescent (tungsten filament) lamps: To BS EN 60432-1. • Photoelectric control units: To BS 5972. • Time switches: BS EN 60730-1 and BS EN 60730-2-7. - Approval: BEAB. • Underground cable marker tape: To BS EN 12613. • Underground concrete cable protection covers: To BS 2484.
335 LUMINAIRES GENERALLY • Standards: To BS EN 60598-1 and BS EN 55015.
V91-Electrical systems - landscape Page 93 of 111 FHA604S01 Dover Court V91 - Revision C5 7 Aug 2017
340A LUMINAIRES FOR ROAD AND STREET LIGHTING L2 • Manufacturer: DW Windsor. - Product reference: Refer to Claford Seaden Specifications). • Material: Aluminium . - Finish and colour: RAL 7018 Anthracite grey. • Mounting: Refer to Calford Seaden specifications. - Type: Column. • Lamp: Colour temperature: Cold white in 'Green Link' associated with granite path, and Warm white elsewhere. (Revised - V91 revision C5 - 27th Jul 2017)
345A FLOODLIGHTS L1 to Ball Court • Standard: To BS EN 60598-2-5. - Approval: Kitemark certified. • Photometric performance: To BS EN 13032-1. • Manufacturer: Thorn, www.thornlighting.co.uk or similar. - Product reference: Contrast C Sport. • Mounting: Base-hinged columns, RAL 7018 Anthracite Grey.
346A BOLLARD LIGHTING L3 • Manufacturer: iGuzzini. - Product reference: iWay Bollard 1000mm. • Material: Aluminium. - Finish and colour: RAL 7018 Anthracite grey. • Lamp: Colour temperature: Cold white.
347A ORNAMENTAL LIGHTING L4 in ground uplights to trees • Manufacturer: Orlight, www.orlight.com or similar. - Product reference: Marine grade 24W Large. • Material: Aluminium . - Finish and colour: RAL 7018 Anthracite grey. • Mounting: recessed in paving. Lamp: Colour temperature: Cold white.
347B ORNAMENTAL LIGHTING L5 Linear • Manufacturer: iGuzzini Linealuce Recessed or similar http://products.iguzzini.com/linealuce_compact_recessed. - Product reference: Linealuce Recessed 668mm. • Mounting: recessed in paving. Lamp: Colour temperature: Warm white.
V91-Electrical systems - landscape Page 94 of 111 Z10 Purpose made joinery
Section Revision History
No. Purpose 0 Issue for tender 10th Sep 2015
Clauses amended in Revision 0
This is the first revision stamp for this section. For all future revision stamps, details of all clauses amended at that revision will be included here. FHA604S01 Dover Court Z10 - Revision 0 7 Aug 2017
Z10 Purpose made joinery
110 FABRICATION • Standard: To BS 1186-2. • Sections: Accurate in profile and length, and free from twist and bowing. Formed out of solid unless shown otherwise. - Machined surfaces: Smooth and free from tearing, wooliness, chip bruising and other machining defects. • Joints: Tight and close fitting. • Assembled components: Rigid. Free from distortion. • Screws: Provide pilot holes. - Screws of 8 gauge (4 mm diameter) or more and screws into hardwood: Provide clearance holes. - Countersink screws: Heads sunk at least 2 mm below surfaces visible in completed work. - Adhesives: Compatible with wood preservatives applied and end uses of timber.
120 CROSS SECTION DIMENSIONS OF TIMBER • General: Dimensions on drawings are finished sizes. • Maximum permitted deviations from finished sizes: - Softwood sections: To BS EN 1313-1:- Clause 6 for sawn sections. - Hardwood sections: To BS EN 1313-2:- Clause 6 for sawn sections. Clause NA.3 for further processed sections.
130 PRESERVATIVE TREATED WOOD • Cutting and machining: Completed as far as possible before treatment. • Extensively processed timber: Retreat timber sawn lengthways, thicknessed, planed, ploughed, etc. • Surfaces exposed by minor cutting and/ or drilling: Treat as recommended by main treatment solution manufacturer.
140 MOISTURE CONTENT • Wood and wood based products: Maintained within range specified for the component during manufacture and storage.
250 FINISHING • Surfaces: Smooth, even and suitable to receive finishes. - Arrises: Eased unless shown otherwise on drawings. • End grain in external components: Sealed with primer or sealer as section M60 and allowed to dry before assembly.
Z10-Purpose made joinery Page 96 of 111 Z11 Purpose made metalwork
Section Revision History
No. Purpose 0 Issue for tender 10th Sep 2015
Clauses amended in Revision 0
This is the first revision stamp for this section. For all future revision stamps, details of all clauses amended at that revision will be included here. FHA604S01 Dover Court Z11 - Revision 0 7 Aug 2017
Z11 Purpose made metalwork
PRODUCTS
310 MATERIALS GENERALLY • Grades of metals, section dimensions and properties: To appropriate British Standards. When not specified, select grades and sections appropriate for the purpose. • Prefinished metal: May be used if methods of fabrication do not damage or alter appearance of finish, and finish is adequately protected. • Fasteners: To appropriate British Standards and, unless specified otherwise, of same metal as component being fastened, with matching coating or finish.
FABRICATION
515 FABRICATION GENERALLY • Contact between dissimilar metals in components: Avoid. • Finished components: Rigid and free from distortion, cracks, burrs and sharp arrises. - Moving parts: Free moving without binding. • Corner junctions of identical sections: Mitre.
520 COLD FORMED WORK • Profiles: Accurate, with straight arrises.
527 WELDING to metal work. • Welding procedures: - Method and standard: TIG welding to BS EN 1011-3. - Welding Procedure Specification (WPS): Not required. • Preparation: - Joint preparation: Clean thoroughly. - Surfaces of materials that will be self-finished and visible in the completed work: protect from weld splatter. • Jointing: - Joints: Fully bond parent and filler metal throughout with no inclusions, holes, porosity or cracks. - Dissimilar metals: Filler metal grade to be approved by a qualified metallurgist. - Strength requirements: Welds to achieve design loads. - Heat straightening: Not permitted. - Complex assemblies: Agree priority for welding members to minimize distortion caused by subsequent welds. - Tack welds: Use only for temporary attachment. - Jigs: Provide to support and restrain members during welding. - Filler plates: Obtain approval. - Lap joints: Minimum 5 x metal thickness or 25 mm, whichever is greater. - Weld terminations: Clean and sound.
FINISHING
710 FINISHING WELDED AND BRAZED JOINTS VISIBLE IN COMPLETE WORK • Standard: To BS EN ISO 8501-3. - Preparation grade: P2. • Butt joints: Smooth, and flush with adjacent surfaces. • Fillet joints: Neat. • Grinding: Grind smooth where indicated on drawings.
Z11-Purpose made metalwork Page 98 of 111 FHA604S01 Dover Court Z11 - Revision 0 7 Aug 2017
745 PREPARATION FOR APPLICATION OF COATINGS • General: Complete fabrication, and drill fixing holes before applying coatings. • Paint, grease, flux, rust, burrs and sharp arrises: Remove.
780 GALVANIZING • Standard: To BS EN ISO 1461. • Preparation: - Vent and drain holes: Provide in accordance with BS EN 14713-1 and -2. Seal after sections have been drained and cooled. - Components subjected to cold working stresses: Heat treat to relieve stresses before galvanizing. - Welding slag: Remove. - Component cleaning: To BS EN ISO 8501-3. - Grade: St 2½.
Z11-Purpose made metalwork Page 99 of 111 Z12 Preservative/ fire retardant treatment
Section Revision History
No. Purpose 0 Issue for tender 10th Sep 2015
Clauses amended in Revision 0
This is the first revision stamp for this section. For all future revision stamps, details of all clauses amended at that revision will be included here. FHA604S01 Dover Court Z12 - Revision 0 7 Aug 2017
Z12 Preservative/ fire retardant treatment
110 TREATMENT APPLICATION • Timing: After cutting and machining timber, and before assembling components. • Processor: Licensed by manufacturer of specified treatment solution. • Operatives: WPA certified. • Certification: For each batch of timber provide a certificate of assurance that treatment has been carried out as specified.
120 COMMODITY SPECIFICATIONS • Standard: Current edition of the Wood Protection Association (WPA) publication 'Industrial wood preservation specification and practice'.
130 PRESERVATIVE TREATMENT SOLUTION STRENGTHS/ TREATMENT CYCLES • General: Select to achieve specified service life and to suit treatability of specified wood species.
150 WATER-BASED ORGANIC PRESERVATIVE TREATMENT • Solution: - Manufacturer: as recommended by timber supplier. Product reference: as recommended to the type of timber used. - Application: High pressure impregnation. • Moisture content of wood: - At time of treatment: Not more than 28%. - After treatment: Timber to be surface dry before use.
610 MAKING GOOD TO PRESERVATIVE TREATMENT ON SITE • Preservative solution: Compatible with off-site treatment. • Application: In accordance with preservative manufacturer's recommendations.
Z12-Preservative/ fire retardant treatment Page 101 of 111 Z20 Fixings and adhesives
Section Revision History
No. Purpose 0 Issue for tender 10th Sep 2015
Clauses amended in Revision 0
This is the first revision stamp for this section. For all future revision stamps, details of all clauses amended at that revision will be included here. FHA604S01 Dover Court Z20 - Revision 0 7 Aug 2017
Z20 Fixings and adhesives
PRODUCTS
310 FASTENERS GENERALLY • Materials: To have: - Bimetallic corrosion resistance appropriate to items being fixed. - Atmospheric corrosion resistance appropriate to fixing location. • Appearance: Submit samples on request.
320 PACKINGS • Materials: Noncompressible, corrosion proof. • Area of packings: Sufficient to transfer loads.
340 MASONRY FIXINGS • Light duty: Plugs and screws. • Heavy duty: Expansion anchors or chemical anchors.
350 PLUGS • Type: Proprietary types to suit substrate, loads to be supported and conditions expected in use.
390 ADHESIVES GENERALLY • Standards: - Hot-setting phenolic and aminoplastic: To BS 1203. - Thermosetting wood adhesives: To BS EN 12765. - Thermoplastic adhesives: To BS EN 204.
410 POWDER ACTUATED FIXING SYSTEMS • Types of fastener, accessories and consumables: As recommended by tool manufacturer.
EXECUTION
610 FIXING GENERALLY • Integrity of supported components: Select types, sizes, quantities and spacings of fixings, fasteners and packings to retain supported components without distortion or loss of support. • Components, substrates, fixings and fasteners of dissimilar metals: Isolate with washers/ sleeves to avoid bimetallic corrosion. • Appearance: Fixings to be in straight lines at regular centres.
620 FIXING THROUGH FINISHES • Penetration of fasteners and plugs into substrate: To achieve a secure fixing.
630 FIXING PACKINGS • Function: To take up tolerances and prevent distortion of materials and components. • Limits: Do not use packings beyond thicknesses recommended by fixings and fasteners manufacturer. • Locations: Not within zones to be filled with sealant.
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640 FIXING CRAMPS • Cramp positions: Maximum 150 mm from each end of frame sections and at 600 mm maximum centres. • Fasteners: Fix cramps to frames with screws of same material as cramps. • Fixings in masonry work: Fully bed in mortar.
670 PELLETED COUNTERSUNK SCREW FIXING • Finished level of countersunk screw heads: Minimum 6 mm below timber surface. • Pellets: Cut from matching timber, match grain and glue in to full depth of hole. • Finished level of pellets: Flush with surface.
690 USING POWDER ACTUATED FIXING SYSTEMS • Powder actuated fixing tools: To BS 4078-2 and Kitemark certified. • Operatives: Trained and certified as competent by tool manufacturer.
700 APPLYING ADHESIVES • Surfaces: Clean. Adjust regularity and texture to suit bonding and gap filling characteristics of adhesive. • Support and clamping during setting: Provide as necessary. Do not mark surfaces of or distrort components being fixed. • Finished adhesive joints: Fully bonded. Free of surplus adhesive.
Z20-Fixings and adhesives Page 104 of 111 Z21 Mortars
Section Revision History
No. Purpose 0 Issue for tender 10th Sep 2015
Clauses amended in Revision 0
This is the first revision stamp for this section. For all future revision stamps, details of all clauses amended at that revision will be included here. FHA604S01 Dover Court Z21 - Revision 0 7 Aug 2017
Z21 Mortars
CEMENT GAUGED MORTARS
110 CEMENT GAUGED MORTAR MIXES • Specification: Proportions and additional requirements for mortar materials are specified elsewhere.
120 SAND FOR SITE MADE CEMENT GAUGED MASONRY MORTARS • Standard: To BS EN 13139. • Grading: 0/2 (FP or MP). - Fines content where the proportion of sand in a mortar mix is specified as a range (e.g. 1:1: 5-6): Lower proportion of sand: Use category 3 fines. Higher proportion of sand: Use category 2 fines. • Sand for facework mortar: Maintain consistent colour and texture. Obtain from one source.
131 READY-MIXED LIME:SAND FOR CEMENT GAUGED MASONRY MORTARS • Standard: To BS EN 998-2. • Lime: Nonhydraulic to BS EN 459-1. - Type: CL 90S. • Pigments for coloured mortars: To BS EN 12878.
135 SITE MADE LIME:SAND FOR CEMENT GAUGED MASONRY MORTARS • Permitted use: Where a special colour is not required and in lieu of factory made ready- mixed material. • Lime: Nonhydraulic to BS EN 459-1. - Type: CL 90S. • Mixing: Thoroughly mix lime with sand, in the dry state. Add water and mix again. Allow to stand, without drying out, for at least 16 hours before using.
160 CEMENTS FOR MORTARS • Cement: To BS EN 197-1 and CE marked. - Types: Portland cement, CEM I. Portland limestone cement, CEM ll/A-L or CEM ll/A-LL. Portland slag cement, CEM II/B-S. Portland fly ash cement, CEM II/B-V. - Strength class: 32.5, 42.5 or 52.5. • White cement: To BS EN 197-1 and CE marked. - Type: Portland cement, CEM I. - Strength class: 52.5. • Sulfate resisting Portland cement: - Types: To BS EN 197-1 Sulfate resisting Portland cement, CEM I/SR and CE marked. To BS EN 197-1 fly ash cement, CEM ll/B-V and CE marked. - Strength class: 32.5, 42.5 or 52.5. • Masonry cement: To BS EN 413-1 and CE marked. - Class: MC 12.5.
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180 ADMIXTURES FOR SITE MADE CEMENT GAUGED MORTARS • Air entraining (plasticizing) admixtures: To BS EN 934-3 and compatible with other mortar constituents. • Other admixtures: Submit proposals. • Prohibited admixtures: Calcium chloride, ethylene glygol and any admixture containing calcium chloride.
190 RETARDED READY TO USE CEMENT GAUGED MASONRY MORTARS • Standard: BS EN 998-2. • Lime for cement:lime:sand mortars: Nonhydraulic to BS EN 459-1. - Type: CL 90S. • Pigments for coloured mortars: To BS EN 12878. • Time and temperature limitations: Use within limits prescribed by mortar manufacturer. - Retempering: Restore workability with water only within prescribed time limits.
210 MAKING CEMENT GAUGED MORTARS • Batching: By volume. Use clean and accurate gauge boxes or buckets. - Mix proportions: Based on dry sand. Allow for bulking of damp sand. • Mixing: Mix materials thoroughly to uniform consistency, free from lumps. - Mortars containing air entraining admixtures: Mix mechanically. Do not overmix. • Working time (maximum): Two hours at normal temperatures. • Contamination: Prevent intermixing with other materials.
Z21-Mortars Page 107 of 111 Z31 Powder coatings
Section Revision History
No. Purpose 0 Issue for tender 10th Sep 2015
Clauses amended in Revision 0
This is the first revision stamp for this section. For all future revision stamps, details of all clauses amended at that revision will be included here. FHA604S01 Dover Court Z31 - Revision 0 7 Aug 2017
Z31 Powder coatings
210 WORKING PROCEDURES • Comply with the follow following standards. - Aluminium components: To BS 6496 or BS EN 12206-1. - Steel components: To BS EN 13438. - Safety standards: To British Coatings Federation 'Code of safe practice - Application of thermosetting powder coatings by electrostatic spraying'.
220 POWDER COATING APPLICATORS • Applicator requirements: - Approved by powder coating manufacturer. - Currently certified to BS EN ISO 9001. - Comply with quality procedures, guarantee conditions, standards and tests required by powder coating manufacturer. - Applicator to use only one plant. - Selected applicator: Submit details before commencement of powder coating including: Name and contact details. Details of accreditation schemes.
225 GUARANTEES • Powder coating manufacturer and applicator guarantees: - Submit sample copies before commencement of powder coating. - Submit signed project specific copies on completion of work.
230 CONTROL SAMPLES • Sequence: Prior to ordering materials for the works, obtain approval of appearance for: - Powder coated samples: Of various grades and forms of background metal to be used, showing any colour, texture and gloss variation. - Fabrication samples: Showing joint assembly, how powder coating is affected and how any cut metal edges are finished and protected. • Samples to include the following information: - Product reference. - Colour. - Reference number. - Name. - Gloss level.
250 COMPONENT DESIGN • Condition of components to be powder coated: - To comply with relevant recommendations of BS 4479-1, -3, and -4. - Of suitable size to fit plant capacity. - Of suitable thickness to withstand oven curing.
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310 PRETREATMENT OF ALUMINIUM COMPONENTS • Condition of components to be pretreated: - Free from corrosion and damage. - All welding and jointing completed and finish off as specified. - Free from impurities including soil, grease, oil. - Suitable for and compatible with the pretreatment process. • Conversion coating requirements: - Chromate system: To BS 6496 or BS EN 12206-1. - Chromate-free system: To BS EN 12206-1. Submit details before using. • Rinsing requirements: Use demineralized water. Drain and dry.
320 PRETREATMENT OF STEEL COMPONENTS • Condition of components to be pretreated: - Free from corrosion and damage. - All welding and jointing completed and finish off as specified. - Free from impurities including soil, grease, oil. - Suitable for and compatible with the pretreatment process. • Conversion coating requirements: To BS EN 13438. • Rinsing requirements: Use demineralized water. Drain and dry.
430 EXTENT OF POWDER COATINGS • Application: To visible component surfaces, and concealed surfaces requiring protection. Coated surfaces will be deemed 'significant surfaces' for relevant BS 6496 or BS EN 13438 performance requirements.
435 APPLICATION OF POWDER COATINGS • Surfaces to receive powder coatings: Free from dust or powder deposits. • Powder colours: Obtain from one batch of one manufacturer. • Commencement of powder coating: To be continuous from pretreatment. • Jig points: Not visible on coated components. • Curing: Controlled to attain metal temperatures and hold periods recommended by powder coating manufacturer. • Stripping and recoating of components: Only acceptable by prior agreement of powder coating manufacturer. Stripping, pretreatment and powder coating are to be in accordance with manufacturer's requirements. • Overcoating of components: Not acceptable.
440 PERFORMANCE AND APPEARANCE OF POWDER COATINGS • For aluminium components: - Standard: To BS 6496 or BS EN 12206-1. • For steel components: - Standard: To BS EN 13438. • Visual inspection after powder coating: Significant surface viewing distances to be as specified in the relevant Standard, unless specified otherwise. • Colour and gloss levels: To conform with approved samples.
460 STEEL FABRICATIONS • Unit assembly: Wherever practical, before powder coating. • Exposure of uncoated background metal: Not acceptable. • Assembly sealants: Compatible with powder coatings. Obtain approval of colour if sealants are visible after fabrication.
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470 FIXINGS • Exposed metal fixings: Powder coat together with components, or coat with matching repair paint system applied in accordance with the powder coating manufacturer's recommendations.
480 DAMAGED COMPONENTS - REPAIR/ REPLACEMENT • Before delivery to site: Check all components for damage to powder coatings. Replace damaged components. • Site damage: Submit proposals for repair or replacement.
510 PROTECTION • Powder coated surfaces of components: Protect from damage during handling and installation, or by subsequent site operations. • Protective coverings: Must be: - Resistant to weather conditions. - Partially removable to suit building in and access to fixing points. • Protective tapes in contact with powder coatings: Must be: - Low tack, self adhesive and light in colour. - Applied and removed in accordance with tape and powder coating manufacturers' recommendations. Do not use solvents to remove residues as these are detrimental to the coating. • Inspection of protection: Carry out monthly. Promptly repair any deterioration or deficiency.
535 DOCUMENTATION • Submit the following information for each batch of powder coated components: - Supplier. - Trade name. - Colour. - Type of powder. - Method of application. - Batch and reference number. - Statutory requirements. - Test certificates. - Maintenance instructions.
540 COMPLETION • Protection: Remove. • Cleaning and maintenance of powder coatings: Carry out in accordance with procedures detailed in powder coating manufacturer and applicator guarantees.
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