SKY ACADEMY, WEST CARCLAZE, TREVERBYN, ST AUSTELL, CORNWALL
CONSTRUCTION TRAFFIC MANAGEMENT PLAN
FOR
JULY 2020
DOCUMENT CONTROL SHEET
© 2020 ADVANCE Limited. All Rights Reserved.
This document has been prepared by Advance Consulting Engineers Limited (“ADVANCE”) for sole use of our client (the “Client”) in accordance with generally accepted consultancy principles, the budget for fees and the terms of reference agreed between ‘ADVANCE’ and the Client. No third party may rely upon this document without the prior and express written agreement of ‘ADVANCE’.
Project Summary
Advance Consulting Engineers Ltd Email: [email protected] Twelvewoods House,
Twelvewoods Business Park, Company: Dobwalls, Liskeard, Cornwall, PL14 6LN Website: www.advance-consulting.co.uk
Client: Caledonian DfE
Project: Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall
Title: Construction Traffic Management Plan
Doc ref: C20022-ADV-RP-CTMP-1002(A)
Project no: C20022
Date: 30/07/2020
Document Production Record
Revision Revision Status Author Checked Approved Issue Date Details
DRAFT - For A Preliminary Harry Skinner Marc Jones Mark Rowe 30/07/2020 Client Team Comment
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 1
CONTENTS
1. INTRODUCTION & BACKGROUND ...... 4 1.1 Preface ...... 4 1.2 Scope ...... 4 1.3 The Planning Application ...... 5 2. SITE LOCATIONS & EXISTING CONDITIONS ...... 7 2.1 Site Location ...... 7 2.2 The Highway Network – Local, Primary & Strategic ...... 8 2.3 Public Rights of Way (PRoW) ...... 10 3. CONSTRUCTION TRAFFIC ROUTING STRATEGY ...... 11 3.1 Routing Strategy ...... 11 3.2 Cornwall Freight Network ...... 11 3.3 Site Access ...... 12 3.4 Prescribed Construction Traffic Routes ...... 12 3.5 Summary ...... 14 4. CONSTRUCTION PROGRAMME & WORKFORCE ...... 15 4.1 Construction Programme ...... 15 4.2 Construction Vehicle Classification & Trip Generation ...... 15 4.3 Abnormal Indivisible Loads (AIL) ...... 16 4.4 Site Establishment & On-site Facilities ...... 16 4.5 On-site Workforce & Parking ...... 16 4.6 Sustainable Travel Opportunities ...... 16 4.7 Driver Requirements ...... 16 4.8 Induction & Training ...... 17 5. CONSTRUCTION TRAFFIC MANAGEMENT PLAN ...... 18 5.1 Construction Hours of Operation ...... 18 5.2 Construction Vehicle Movements & Storage ...... 18 5.3 Temporary Traffic Management Scheme ...... 19 5.4 Proposed Site Layout & Compound ...... 19 5.5 Speed Restriction ...... 20 5.6 Security Parameters ...... 20 6. ENVIRONMENTAL IMPACT MITIGATION ...... 21 6.1 Traffic Noise ...... 21
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 2
6.2 Environmental Conditions...... 21 6.3 Vehicle Emissions ...... 22 6.4 Waste Management ...... 22 7. MONITORING & MITIGATION ...... 23 7.1 Highway Condition Survey ...... 23 7.2 Inspections ...... 23 7.3 Monitoring ...... 23 7.4 Public Information ...... 23 7.5 Review and Implementation of the CTMP ...... 23
Appendices
Landscape General Arrangement Plan (Stride Treglown) A391 (Originating from the A30(T) – Innis Down Interchange) Prescribed Route Map A391 (Originating from the A390 – Priority T-junction Arrangement) Prescribed Route Map Figures
Figure 2.1: Location of Sky Academy 7 Figure 2.2: Existing Local / Primary Highway Network (Source: CC) 8 Figure 2.3: PRoW Network (Source: CC) 10 Figure 3.1: Cornish Strategic / Local Freight Network (Source: CC) 11
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 3
1. INTRODUCTION & BACKGROUND
1.1 Preface
1.1.1 This Construction Traffic Management Plan (CTMP) has been prepared by Advance Consulting Engineers Ltd on behalf of Caledonian DfE and is intended to support a proposed mixed non-faith 3 to 11, 1FE new build primary school, known as Sky Academy.
1.1.2 As per the s106 agreement between Eco-Bos and Cornwall Council (CC), Condition 7 within the Grant of Outline Planning Permission states:
“No phase of sub-phase of the development hereby permitted shall commence until a Construction Traffic Management Plan and programme of works for that phase or sub-phase has been submitted to and approved in writing by the Local Planning Authority. The Plan shall include construction vehicle details (number, size, and type), vehicular routes, delivery hours and contractor’s agreements, details of pedestrian routes during construction times. (Compound, storage, parking, turning, surfacing, drainage, and wheel wash facilities). The development of any individual phase of sub-phase shall be carried out strictly in accordance with the approved Construction Traffic Management Plan for that individual phase of sub-phase.
Reason: In the interests of maintaining a safe and efficient highway network and safeguard the amenities of neighbouring properties in accordance with Policies 13 and 27 of the Cornwall Plan and paragraph 108 of the National Planning Policy Framework.”
1.1.3 This CTMP set outs the framework and measures to be adopted subject to agreement with the Cornwall Council (CC) as the Local Highway Authority (LHA), in order to minimise the disruption on the existing highway network, highway users and wider environment caused by the construction of the proposed development.
1.1.4 The purpose of this CTMP is to identify appropriate routes for construction traffic to access Sky Academy during the construction phase, and to establish minimum requirements for construction vehicles in order to address noise and exhaust emissions. Furthermore, this CTMP details the speed limits to be observed along the prescribed routes to and from Sky Academy, and that behaviour requirements for vehicle drivers are adhered to ensure that the impacts of the construction traffic are kept to a minimum.
1.1.5 This CTMP has been prepared in support of the scheme and will be submitted alongside a Transport Assessment (TA) (ref: C20022-ADV-RP-TP-1000(A)) and a School Travel Plan (STP) (ref: C20022-ADV- RP-TP-1001(B)). The TA and STP have been submitted as separate documents, both of which should be read in conjunction with one another. 1.2 Scope
1.2.1 This CTMP will ensure that the impacts of the construction work on the local highway users, existing highway network and the wider environment are considered, and the appropriate mitigation measures are introduced to minimise delay and safety conditions accordingly.
1.2.2 The sections set out in this CTMP will be developed in greater detail following the planning application approval. If appropriate, the appointment of the Principal Contractor will be made and this person will be responsible for implementing the relevant phases of construction work. The CTMP will set out the following areas: -
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 4
Construction traffic routing strategy & site access; Construction programme of works; Construction hours of operation; Hours of vehicle delivery operation; Temporary traffic management scheme; Proposed storage, site huts and delivery areas; Construction workforce & on-site facilities; Minimising environmental impact; and Monitoring and mitigation.
1.2.3 The CTMP has been developed in accordance with the Cornwall Local Plan Policy 13: Development Standards, in particular paragraph 5 which states the provision of the following: -
“Avoidance of adverse impacts, either individually or cumulatively, resulting from noise, dust, odour, vibration, vermin, waster, pollution and visual effects. Such adverse impacts should be avoided or mitigated during the construction, operation or restoration stage of development.”
1.3 The Planning Application
1.3.1 Eco-Bos Development Ltd obtained outline planning permission in September 2018 (PA14/12186), for a new mixed-use Garden Community at West Carclaze, St Austell, Cornwall. The consented scheme consists of the following elements: -
Outline application for 'West Carclaze Eco-community' comprising the demolition, site clearance and associated earthworks and the phased development of up to 1500 dwellings, a local centre, incorporating local retail, health and community facilities, a primary school, employment floorspace and associated areas of open space, renewable energy provision and energy centre(s), drainage and associated infrastructure. All matters reserved with points of access from the A391 only to be agreed.
1.3.2 The first Reserved Matters (RM) application regarding the Phase 1 of the West Carclaze development obtained approval April 2019 (PA18/09691). The consented RM consists of the following elements: -
Application for the first reserved matters application for phase 1 of the development. The application seeks consent for the development of 338 residential units plus local centre, health, and retail facilities. The application covers all matters of design, scale, layout, access, drainage, and landscaping. The outline application was accompanied by an environmental statement which was submitted to the Local Planning Authority and used in the determination of the proposal.
1.3.3 A subsequent revised RM application for the areas Bii, Biii and C as part of the Phase 1 of the West Carclaze development obtained approval June 2020 (PA19/11041). The consented RM consists of the following elements: -
Application for reserved matters approval for sub-phase of phase 1 of the development. The application seeks consent for the development of 169 residential units, associated landscaping, and site infrastructure. The application covers all matters of design, scale, layout, access, drainage, and landscaping (outline application PA14/12186).
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 5
1.3.4 Sky Academy forms a key element of the Phase 1 development that will be phased in alongside the development of West Carclaze Garden Village and tied into the details of the s106 agreement between Eco-Bos and Cornwall Council (CC). The building will be located to the southern end of the site close to the market square. The intention will be to initially deliver a 1FE, with ancillary spaces (Hall, Kitchens, etc) sized for a 2FE school designed for future expansion.
1.3.5 A summary of the proposals is outlined below: -
Primary school - 210 places (1FE); Age range 3-11; 26 Nursery Places; 2021 PAN Capacity - 60; and Total site area = 2.23ha.
1.3.6 The West Carclaze Eco-community forms Policy ECO-M1 of the Cornwall Site Allocations DPD. Paragraph d) of the Additional Policy Requirements states: -
“2ha of land must be reserved within the site to deliver a primary school; with the development also expected to either build, facilitate, or provide the funds to build, a one form of entry primary school, which will need to be in place before occupation of the 150th dwelling. The school should be expandable to two form entry. The school should be located within the larger of the community hubs.”
1.3.7 Further details regarding the planning application are provided in the accompanying TA and STP. The proposals for Sky Academy are illustrated on the ‘Landscape General Arrangement Plan’ provided by Stride Treglown, available to view on Drawing no. FS0782-STL-ZZ-XX-DR-L-9000 S2_P29 and is attached to the rear of this report as Appendix A.
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 6
2. SITE LOCATIONS & EXISTING CONDITIONS
2.1 Site Location
2.1.1 Sky Academy is located approximately 4.0km (2.5 miles) north of St Austell, which is one of the largest towns in Cornwall according to the 2011 Census, with a population of 21,389. In a wider geographical context, Sky Academy is located approximately 15.6km (9.7 miles) south of Bodmin, approximately 26.2km (16.3 miles) east of Newquay, approximately 29.3km (18.2 miles) north-east of Truro and approximately 32.1km (20.0 miles) south-west of Liskeard.
2.1.2 Sky Academy is bounded by the A391 to the west, the B3374 to the north-west and existing rural land to the east. The village of Penwithick is situated to the north, Stenalees situated to the north-east, Trethurgy situated to the east and both Scredda and Carclaze to the south, which leads towards the centre of St Austell. Sky Academy lies in an important strategic position in terms of the transport network as the A391 connects Sky Academy to the A30(T) and A390, which provides the link to wider connections including Liskeard, Bodmin, Truro and Newquay.
2.1.3 Sky Academy will be situated central to Phase 1 of the West Carclaze Garden Village scheme, with the local centre / market square situated to the immediate west, a shared cycle / footpath and residential dwellings to the north and further residential dwellings to the east and south.
2.1.4 The location of Sky Academy in relation to Phase 1 of the West Carclaze Garden Village scheme is detailed in Figure 2.1.
Figure 2.1: Location of Sky Academy
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 7
2.2 The Highway Network – Local, Primary & Strategic
2.2.1 Figure 2.2 provides an overview of the existing local / primary highway network in relation to Sky Academy, which will be supported with a descriptive summary of the key areas upon the network.
Figure 2.2: Existing Local / Primary Highway Network (Source: CC) Carbis Road (Eden Road)
2.2.2 The ‘C-Road’ is located to the immediate north of Sky Academy and routes in an east to west alignment between a four-arm roundabout that provides access for the Eden Project and the Carluddon mini-roundabout, which is currently formed of a double mini-roundabout. The ‘C-Road’ provides average carriageway widths of approximately 7.0m, a network of street lighting on the approach to the Carluddon mini-roundabout and is subject to the National Speed Limit (NSL).
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 8
Former A391
2.2.3 The former A391, which is now characterised as a ‘C-Road’, is situated to the immediate west of Sky Academy. The ‘C-Road’ is subject to a 40mph speed limit and routes in a north to south alignment from the Carluddon mini-roundabout through Carluddon before terminating upon the A391.
B3374
2.2.4 The B3374 is located to the north-west of Sky Academy, which originates from the A391 Great Treverbyn four-arm roundabout and routes in a south to north alignment via the villages of Penwithick and Rosevean for approximately 4.0km (2.5 miles) before terminating at the village centre of Bugle. The extent of the B3374 from the Carluddon mini-roundabout towards Penwithick is subject to 40mph speed limit before it reduces to 30mph through Penwithick.
2.2.5 The B3374 provides average carriageway widths of approximately 7.0m and a network of street lighting throughout its length within Penwithick. Footways circa 1.5m in width are present on both or either side of the carriageway for majority of the extent through Penwithick, with dropped kerbing and pedestrian refuge islands present where appropriate.
2.2.6 It is also important to note the footway provision upon the B3374 towards the A391 Great Treverbyn roundabout, with footways circa 2.0m in width present on both sides of the carriageway for approximately 200m before transitioning to only one footway along the southern edge of the carriageway on the approach to the Great Treverbyn roundabout. Dropped kerbing, tactile paving and pedestrian refuge islands are available where deemed appropriate.
A391
2.2.7 The A391 extends in a north to south alignment from the A30(T) Innis Downs Interchange for approximately 12.7km (7.9 miles) towards the north-eastern extent of St Austell before connecting to the A390. The A391 provides a vital primary link between St Austell and the A30. In relation to Sky Academy, the A391 can be accessed west of Sky Academy via the Great Treverbyn roundabout. The A391 provides average carriageway widths of approximately 7.0m and from the north, the A391 transitions from the NSL to a 40mph speed limit that remains in place towards Scredda.
2.2.8 A footway circa 3.0m in width is present on the western edge of the carriageway for approximately 190m north of the Great Treverbyn roundabout. Footways circa 3.0m in width are present on both sides of the carriageway for majority of the A391 south of the Great Treverbyn roundabout. Approximately 150m south of the Great Treverbyn roundabout, the eastern footway crosses over via a footbridge and routes parallel to the western footway for approximately 350m before adjoining the western footway. Footways are present on both sides of the carriageway for a further 500m towards the subsequent four-arm roundabout adjacent to the St Austell Business Par, with footway provision present along the remainder of the A391 towards the A390.
2.2.9 It is important to note the construction of a new 6.2km (3.9 miles) single carriageway link road between the old A30 near Victoria and the A391 at Stenalees roundabout. The proposed vital strategic link represents the final phase in provided a major transport link between St Austell and the A30, which will ultimately help to bring economic and job creation opportunities to the area as the current lack of a continuous high quality route will be resolved. The scheme will cost a total of £84.46m, which includes a significant proportion of funding provided by the Department for Transport (DfT), with the aim to open the link road for the Summer 2022.
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 9
A390
2.2.10 The A390 diverges from the A38 at Dobwalls and routes south-westerly towards Truro via Lostwithiel, St. Blazey and St Austell. The nearest point of access to the A390 for traffic originating from Sky Academy is via a priority T-junction arrangement onto Holmbush Road, approximately 4.4km (2.8 miles) south-east via the A391. The A390 provides an extensive existing pedestrian infrastructure towards and throughout St. Blazey to the east and St Austell to the west.
A30(T)
2.2.11 The A30(T) is part of the Strategic Road Network (SRN) which carries approximately a third of all traffic upon 4,300 miles of motorways and trunk roads throughout England. The A30(T) routes between Exeter and Penzance, providing a primary link between the M5, Devon and Cornwall. The nearest point of access to the A30(T) for traffic originating from Sky Academy is approximately 9.0km (5.6 miles) north along the A391, provided via the Innis Down Interchange. The ‘Dumbbell’ Interchange arrangement provides connections via the A30(T) north-east including Bodmin and south-west including Truro. The A389 can also be accessed via the Innis Down Interchange which provides a further link north via Bodmin towards Wadebridge, the A39 and North Cornwall. 2.3 Public Rights of Way (PRoW)
2.3.1 The Definitive Map of PRoW (online version - CC), shows that there are existing footpaths adjacent to Sky Academy. Footpath 424/26/1 is a priority gold listed footpath that routes in an east to west alignment from the mini-double roundabout to the village of Trethurgy. Footpath 424/22/1 is a priority silver listed footpath that routes in an east to west alignment connected the B3374 to Penhale Road. It is evident that the proposed development will not have an impact upon the local PRoW network.
2.3.2 Figure 2.3 showcases the footpaths discussed and the local PRoW network in relation to Sky Academy.
SITE
Figure 2.3: PRoW Network (Source: CC)
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 10
3. CONSTRUCTION TRAFFIC ROUTING STRATEGY
3.1 Routing Strategy
3.1.1 This section identifies the appropriate routes that can accommodate construction traffic in order to access Sky Academy during the construction phase. The primary considerations for the routing strategy are as follows: -
To use the shortest route from location of access points to the SRN; As far as possible use ‘A-roads’ as a first priority, then ‘B-roads’, then ‘C-roads’ and then ‘unclassified roads’; Where possible avoid single carriageway roads unless these provide direct access to a construction site; and To avoid settlements and sensitive receptors to minimise the impact on villages, towns, and sensitive road users.
3.1.2 In general, construction traffic will have minimal impact on traffic if temporary closures or re-routing are not required. The proposed construction traffic routes are extensively detailed in the following section.
3.2 Cornwall Freight Network
3.2.1 The A391, A390 and A30(T) all form a part of the Cornwall Strategic Freight Network (SFN), which incorporates preferential routes for the movements of HGVs. It is also important to note that Carbis Road (Eden Road) and the B3374 both form a part of the Cornwall Local Freight Network (LFN). The surrounding SFN and LFN in relation to Sky Academy is showcased in Figure 3.1.
SITE
Figure 3.1: Cornish Strategic / Local Freight Network (Source: CC)
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 11
3.2.2 Sky Academy is located within close proximity to the SFN, with the nearest point of access via the Great Treverbyn Roundabout, approximately 400m west of the site. The A391 forms a vital connection towards St Austell as well accessing the SRN in the form of the A30(T) and the A390, which further provide the preferential routes for the movement of construction traffic. The nearest point of access onto the A390 is via a priority T-junction arrangement onto Holmbush Road, approximately 4.4km (2.8 miles) south-east, providing connections towards Liskeard to the north-east and Truro to the south- west.
3.2.3 The nearest point of access onto the A30(T) is approximately 9.0km (5.6 miles) north along the A391, provided via the Innis Down Interchange. The A30(T) provides connections north-east towards Bodmin, south-west towards Truro, and can also provide connections to wider destinations such as Newquay and Wadebridge.
3.2.4 It is beneficial that the SFN and LFN encompass Sky Academy as this will reduce the length that construction vehicles will be required to route on the local highway network and ultimately minimise the impacts of the movements of construction traffic on the local highway network, existing residential areas and the wider environment. 3.3 Site Access
3.3.1 The proposed construction vehicular access points will utilise the two approved access points upon Carbis Road (Eden Road), which include: -
A Primary Access – Roundabout; and A Secondary Access – Priority junction with right turn lane.
3.3.2 It is important to note that as part of the Phase 1 proposals, the southernmost Carluddon mini- roundabout will be removed, with the arm that serves the former A391 to be restricted to a left-out movement only.
3.4 Prescribed Construction Traffic Routes
3.4.1 The construction traffic will utilise the appropriate access points along Carbis Road and will route directly to the A391, ensuring that construction traffic avoids sensitive highway networks, such as the B3374 within the village of Penwithick.
3.4.2 The prescribed routes discussed in this section minimise the length of travel via local residential areas, such as Penwithick, and aim to avoid routes passing educational facilities. Each prescribed route has been checked for weight, height and width restrictions that would preclude the use of the route. It remains the driver’s responsibility to ensure their vehicle can safely negotiate the prescribed route.
3.4.3 An optimal route generator via the GIS software package, QGIS (3.14.0), was utilised in order to produce the optimal route between two points, ‘A’ being the origin, i.e. the A30(T) & A390, and ‘B’ the destination being Carbis Road access points. Each map showcases the prescribed route in relation to the highway network and surrounding area.
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 12
3.4.4 The assessment of each route has been undertaken using Google Maps1 and on-site observations, aligned with the guidance and restrictions set out by CC. A list of directions and a descriptive summary is provided with each prescribed route.
3.4.5 The prescribed routes that will be discussed within the following section are as follows: -
A391 (originating from the A30(T) – Innis Down Interchange); and A391 (originating from the A390 – Priority T-junction arrangement).
A391 (Originating from the A30(T) – Innis Down Interchange)
3.4.6 The prescribed route map from the A30(T) via the Innis Down Interchange is available to view in further detail to the rear of this report, attached as Appendix B. The map outlines the prescribed route along the highway network with ‘A’ established as the origin being the A30(T) and ‘B’ established as the destination being the access points upon Carbis Road. The total length of the route is approximately 9.0km (5.6 miles) with an approximate travel time of ten minutes.
3.4.7 Step by step directions from ‘A’ to ‘B’ are listed as follows: -
Head south on the A391 for approximately 7.1km and at the roundabout, take the 1st exit and continue on the A391 for a further 1.4km; At the Great Treverbyn Roundabout, take the 1st exit; and At the Carluddon double mini-roundabout, take the 2nd exit followed by the 1st exit onto Carbis Road before arriving at the site access points.
3.4.8 The route utilises the abundant SFN and the A391 for the majority of its extent, therefore minimising the travel time upon sensitive highway networks. The A391 consists of average carriageway widths of approximately 8m and is subject to the NSL along the majority of its extent. The A391 reduces to a 40mph speed limit through Lockengate, parts of Stenalees and from north of the Great Treverbyn Roundabout to Carbis Road. Sections of the A391 reduce to a 30mph speed limit through Bugle and Stenalees.
A391 (Originating from the A390 – Priority T-Junction Arrangement)
3.4.9 The prescribed route map from the A390 via the Priority T-junction arrangement is available to view in further detail to the rear of this report, attached as Appendix C. The map outlines the prescribed route along the highway network with ‘A’ established as the origin being the A390 and ‘B’ established as the destination being the access points upon Carbis Road. The total length of the route is approximately 4.6km (2.9 miles) with an approximate travel time of five minutes.
3.4.10 Step by step directions from ‘A’ to ‘B’ are listed as follows: -
Head north-west on the A391 for approximately 4.1km, and at the Great Treverbyn roundabout, take the 2nd exit; and At the Carluddon double mini-roundabout, take the 2nd exit followed by the 1st exit onto Carbis Road before arriving at the site access points.
1 www.google.com/maps
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 13
3.4.11 The route utilises the abundant SFN and the A391 for the majority of its extent, therefore minimising the travel time upon sensitive highway networks. The A391 transitions from a 40mph speed limit to the NSL after negotiating the A390 T-junction arrangement. Between the A390 and Scredda roundabout, the A391 consists of sections of dual carriageway for north-west bound traffic, with a number of escape lanes available for south-west bound traffic. The A391 transitions back to a 40mph speed limit after negotiating Scredda roundabout for the remainder of the route to Carbis Road. 3.5 Summary
3.5.1 Sky Academy is extremely well located in relation to the high-quality primary and strategic infrastructure, with both routes utilising the abundant SFN from the SRN for construction traffic originating from wider destinations, including Bodmin, Newquay, Truro, and Liskeard. Both routes minimise the length that construction traffic would be required to route through local residential areas and upon sensitive highway networks.
3.5.2 It is important to note that Bugle School and the Treverbyn Nursery are located in a close proximity to the prescribed route originating from the A30(T). In addition, Cornwall College is situated at the northern extent of St Austell. Whilst the preference is to avoid routing past educational facilities, the A391 forms a part of the SFN, therefore construction traffic for both prescribed routes will be required to avoid school and college AM and PM peak periods between (08:00 – 09:00 & 15:00 – 17:00).
3.5.3 It is apparent that there are no weight, height and width limits that would preclude the use of this route. Whilst the preference is to avoid local residential areas including Lockengate, Bilberry, Bugle and Stenalees, the A391 provides a low-risk route that forms a part of the SFN, therefore the route would be deemed suitable for construction traffic originating from the A30(T). It is suggested that construction vehicles follow the prescribed routes outlined previously in Section 3.4.
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 14
4. CONSTRUCTION PROGRAMME & WORKFORCE
4.1 Construction Programme
4.1.1 This CTMP will be in place throughout any potential ground clearance and the construction phase of the proposed development. The programme will be developed in greater detail following the appointment of the Principle Contractor.
4.2 Construction Vehicle Classification & Trip Generation
4.2.1 The range of activities that may take place during the construction phase require the use of a wide range of vehicle types. These may be identified and grouped according to the size, which are listed as follows: -
Car / pick up / 3.5-ton van; 7.5-ton box van / panel van; Low loader and articulated Heavy Goods Vehicle (HGV); Ready mix concrete truck; Mobile crane; Skip lorry; and 32-ton tipper truck.
4.2.2 The trips generated by each vehicle type are dependent upon the nature of the job and at planning stage, it is not possible to describe the full phasing and programme of construction works. However, it is anticipated that where feasible, large plant machinery will arrive as the construction phase commences and will remain on site through the entirety of the construction phase in order to minimise the unnecessary trips made by large and heavy vehicles travelling to and from the site.
4.2.3 It is important to note that vehicles with a weight exceeding 7.5 tonnes require approval to use trunk roads and motorways if trips to and / or from the application exceed 24 movements per day.
4.2.4 In terms of understanding the construction trip generation, construction programme managers will be able to calculate vehicle movements based upon the following: -
Materials (quantity and bulk); Construction programme (construction process, timescale, phases, and occupations); and Site logistics (access, on-site storage capacity, load consolidation, etc).
4.2.5 In terms of estimating the number of construction-related vehicle movements, consideration must be given to the following: -
Workforce movements to / from the site; Deliveries made to the site; Removal of material from the site; and Trips made by associated trades.
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 15
4.3 Abnormal Indivisible Loads (AIL)
4.3.1 If any Abnormal Indivisible Loads (AIL) are required during any aspect of the construction of the proposed development as per the threshold set out in ‘Road Vehicles (Authorisation of Special Types) (General) Order’ (2003), they will require agreement with CC and comply with the designated routes prior to any preparation and construction works.
4.3.2 Any over-sized loads and maximum length articulated lorry movements may require the temporary closure of Carbis Road. However, it is anticipated that this would occur very infrequently and outside of peak traffic times. 4.4 Site Establishment & On-site Facilities
4.4.1 A number of deliveries will be required to establish and prepare the construction site prior to the commencement of works. Therefore, mitigation measures will be taken to minimise any impacts from these delivery vehicles upon the highway network.
4.4.2 Adequate welfare facilities, including catering and toilet facilities, will be provided on site. These will be required to be maintained in a safe and clean condition.
4.5 On-site Workforce & Parking
4.5.1 At this stage, the level of staff during the construction phase is unknown. Confirmation of the levels of staffing on-site will identified following the appointment of the Principle Contractor.
4.5.2 It is expected that construction workforce trips to and from the site will mainly be made by private vehicles on a daily basis. Sustainable travel alternatives, such as car sharing will be promoted to the construction site. All staff personnel will enter via the designated site access point and utilise the designated workforce site car park. No parking will be permitted upon the immediate local highway or within close proximity to the site access point.
4.6 Sustainable Travel Opportunities
4.6.1 The use of a company vehicle, public transport (where possible) and car sharing will be encouraged and planned in order to reduce the number of daily vehicular movements. Potentially, workers may be locally based and therefore would be able to travel to work on foot, bike, or public transport, considering the close proximity of the bus stops available upon the B3374, approximately 200m west of Sky Academy.
4.6.2 A School Travel Plan (STP) (ref: C20022-ADV-RP-TP-1001(A)) has been produced for the site which sets out the opportunities to access the site via sustainable modes of travel. If required, information on car sharing, walking, and cycling maps and public transport timetables can be provided to construction workers in order to encourage the use of sustainable modes of travel. 4.7 Driver Requirements
4.7.1 As set out within Health and Safety Executive HSE Guidance, the Banksman directly vehicle movements (signallers) will be trained and authorised to do so. On the rare occasion when reversing is required, in addition to a competent Banksman directing vehicle movements consistent with HSE guidance consideration will be given to: -
“Aids for drivers – mirrors, CCTV cameras or reversing alarms that can help drivers see movement all-round the vehicle;
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 16
Lighting – so that drivers and pedestrians on shred routes can see each other easily. Lighting may be needed after sunset or in bad weather; and Clothing – pedestrians on site should wear high-visibility clothing.”
4.7.2 In addition to obeying all relevant road laws and speed limits, construction vehicle drivers will also ensure that they: -
Do not use engine brakes on local streets; Drive in a manner that minimises vehicle noise and emissions; Drive in a manner and speed appropriate to the conditions within the site; Follow the prescribed routes, including the optimal route that links the site to the A30(T) and A390; Park in the designated areas and allocated time slot set out on-site; and Avoid blocking and queuing onto local junctions and the highway network.
4.8 Induction & Training
4.8.1 A key principle of a CTMP is to ensure the safety of all of the construction workforce. It rests with the Principle Contractor to implement the appropriate training and induction requirements of this CTMP, with all employees and Contractors required to undergo site induction training prior to working on site. Records will be kept of all personnel undertaking the site induction and training.
4.8.2 The Principle Contractor will ensure that all workers receive site induction training covering safe traffic routes and site rules for operating vehicles. Safety monitoring measures will be established for the use of vehicles on site, e.g. permit to work. Site operatives will be required to wear high visibility clothing. Plant operators and drivers will be required to hold valid certificates and undergo safety training.
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 17
5. CONSTRUCTION TRAFFIC MANAGEMENT PLAN
5.1 Construction Hours of Operation
5.1.1 Confirmation of the restrictions on construction delivery hours will be identified following the appointment of the Principle Contractor.
5.1.2 In order to minimise the disruption to road users upon the surrounding highway network, it is proposed construction vehicles will avoid accessing the site during network AM and PM peak periods, 08:00 – 09:00 and 17:00 – 18:00 hrs. Given the number of educational facilities throughout St Austell and the surrounding area, including Cornwall College and Bugle School, it is proposed construction vehicles will also avoid accessing the site during the educational based AM and PM peak hours outlined below.
5.1.3 The permitted hours for construction traffic are as follows: -
Monday to Friday: 09:00 – 17:00 hrs (Except 15:00 – 16:00 school hrs & 16:00 – 17:00 college hrs); Saturdays: 09:00 – 16:00 hrs; and Sundays (Including Bank Holidays): No construction movements.
5.1.4 Construction will occur from Monday to Saturday, ultimately reducing the length of construction timescale in comparison to a weekday only schedule and therefore minimising the disruption to local traffic.
5.1.5 If required, any work that needs to be undertaken outside of the permitted working hours (not including repairs or maintenance) or any proposed changes to the permitted working hours, will be agreed with CC prior to undertaking the works. 5.2 Construction Vehicle Movements & Storage
5.2.1 Site deliveries will adopt a ‘just-in-time’ arrangement whenever feasible in order to minimise queuing onto and within the site and on-site storage requirements. Deliveries to the site will be allocated specific time windows for arrival, with each delivery recorded by the site manager and source company.
5.2.2 The loading and unloading of construction vehicles will be undertaken within the site boundary. All delivery vehicles, loading / unloading activities and vehicle movements will be supervised by the site personnel in order to control movements, ensuring the safety of the public and avoiding any obstruction to other traffic. Where heavy vehicles are required to reverse into the site, two-way radios will be provided to improve communication between spotters and drivers.
5.2.3 The site will provide parking for at least one HGV (if required) during the construction phase to minimise the impact upon the surrounding highway network. During the six-hour delivery period, assuming 30-minute periods are utilised, there would be 12 delivery time slots available.
5.2.4 All suppliers and contractors will be informed of the prescribed construction routes and time slot allocated within the booking system.
5.2.5 Specific materials storage areas will be identified at different areas within the site boundary, with on- site distribution operated by forklifts, cranes, and hoists in order to transfer the materials to the relevant development phases as required.
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 18
5.3 Temporary Traffic Management Scheme
5.3.1 The Principle Contractor will implement a clear and concise signage scheme throughout the site to identify construction vehicle routes and assist internal traffic control. Signage will identify the site office and parking areas for all personnel, site visitors, emergency services and service vehicles.
5.3.2 Temporary signage providing routing information will be erected along the prescribed construction traffic routes upon the local highway network. Temporary signage will be installed at each access location in order to provide a warning to other road users of the likely presence of construction vehicles.
5.3.3 Signage will be in accordance with ‘Chapter 8 of the Traffic Signs Manual’ and in agreement with CC. In the event that any diversions or temporary road closures are required, temporary signage will also be installed in accordance with ‘Chapter 8 of the Traffic Signs Manual’ and in agreement with CC. 5.4 Proposed Site Layout & Compound
5.4.1 Where practicable, one-way systems will be used, with designated areas of unloading, reversing, and turning. The site route systems within the site will change during the construction phase in order to provide a safe, well circulated, and low environmental impact through noise and dust route.
5.4.2 Vehicles and pedestrians will be segregated at the site access by the means of physical barriers. All traffic entering the site will be directed to the appropriate area. If required, dedicated circulation routes for site soil movement will be established and separated where possible from the delivery routes.
5.4.3 In regard to the separation of pedestrians and vehicles on site, HSE guidance will be adhered to. This states that: -
“The majority of construction transport accidents result from the inadequate separate of pedestrians and vehicles.
This can usually be avoided by careful planning, particularly at the design stage, and by controlling vehicle operations during construction work.
The following actions will help keep pedestrians and vehicles apart:
Entrances and exits – provide separate entry and exit gateways for pedestrians and vehicles; Walkways – provide firm, level, well-drained pedestrian walkways that take a direct route where possible; Crossings – where footways cross roadways, provide a clearly signed and lit crossing point where drivers and pedestrians can see each other clearly; Visibility – make sure drivers driving out onto public roads can see both ways along the footway before they move on to it; Obstructions – do not block walkways so that pedestrians have to step onto the vehicle route; and Barriers – think about installing a barrier between the roadway and walkway.”
5.4.4 The guidance discussed above will be required to be taken into consideration with the design of the construction site. The Principle Contractor will implement a concise construction signage scheme on
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 19
site, with the site entrance appropriately signed to avoid congestion and queuing onto the local highway. The site entrance will also be maintained and kept clean.
5.4.5 The site entrance will be signed for ‘emergency access points’ for safe access and egress of emergency vehicles.
5.4.6 Advanced warning signs will be provided informing existing vehicle traffic of construction traffic manoeuvring / turning at the site access / egress.
5.5 Speed Restriction
5.5.1 All site traffic will be subject to speed restrictions, failure to comply with on-site traffic regulations will result in appropriate measures being taken. The traffic and speed arrangements for the site will be disclosed to all construction personnel and vehicle drivers via site inductions.
5.5.2 In the vicinity of the site, vehicle speeds should not exceed 15mph (25km/h) If required, an on-site speed limit of 10mph (16km/h) will be provided. Speed and traffic warning signs will be implemented on-site.
5.6 Security Parameters
5.6.1 The responsibility for devising, implementing, and managing security arrangements on site will fall with the Principle Contractor. However, it is considered that the arrangements will include the following parameters: -
Fencing to be provided around the site compound and active build areas, that will undergo daily checks at the beginning and the end of the working day, with damaged fencing to be replaced as soon as possible; Construction workforce access will be via security manned posts / gates, and segregated from on- site construction traffic by the means of vehicular barriers; Public information board to be attached to the security fencing providing the relevant information, including out of hours contact details so any damages or breaches can be reported; and The appropriate signage to be provided in prominent locations in order to assist in internal traffic control, separate construction traffic and pedestrians and also identify the relevant facilities, delivery, and storage locations on site.
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 20
6. ENVIRONMENTAL IMPACT MITIGATION
6.1 Traffic Noise
6.1.1 It must be endeavoured that noise generated by construction activities is kept to a minimum. The Environmental Protection Authority (now referred to as the Office of Environmental and Heritage) released the “Environmental Criteria for Road Traffic Noise” in May 1999. The policy sets out noise criteria application to various road classifications for the purpose of defining traffic noise impacts. It is required that the following will be applied in order to minimise the traffic noise impacts: -
Apply and strictly comply to low speed limits within and approaching the site; Ensure a safe and clearly defined access road is available and that the road surfaces are appropriately maintained throughout the construction phase; Ensure all contractor vehicles are fitted with effective noise control equipment and remain in good working order, such as compressors and generators; Have acoustic covers in place and if necessary acoustic matting to be positioned along the site boundaries to attenuate any excessive noise levels; When machinery is not actually in use, it will be switched off and not left running; Large vehicles should not arrive or leave the site during noise sensitive times; that is before 09:00 hrs, between 15:00 – 16:00 hrs and after 17:00 hrs during the week, before 09:00 hrs after 16:00 hrs on Saturdays and at any time on Sundays or public holidays; and Ensure no parking or queuing of construction traffic onto the local highway network.
6.2 Environmental Conditions
6.2.1 Every effort must be made during the construction phase to minimise dust and dirt from the site affecting the highway network. Dust levels will be controlled and, if required, consent sought from the CC under the ‘Control of Pollution Act 1974’, ‘Environmental Protection Act 1990’ and CC local policy guidelines, to ensure that construction traffic does not have a detrimental impact to the surrounding area.
6.2.2 A number of mitigation methods that could be implemented during the construction are as follows: -
The use of dust extraction tools and ‘wetting down’ where possible; Road sweeping operations will be utilised as required to ensure that internal site roads are safe, and that mud is not deposited on adjoining roads; Positioning of wind-break netting around vehicle loads / unloading areas; Sheeting of vehicles carrying loose materials or workings to and from the site to prevent materials being blown from the vehicles whilst travelling; Enforcement of speed limits for vehicles on unmade surfaces to minimise dust dispersion; Ensuring that all construction machinery is maintained in good working order and not left running when not in use; Regular inspection, and if necessary, cleaning of local highway network and site boundaries; Regular water spraying and sweeping of all roads to minimise dust and remove mud and debris; and
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 21
Preparation of permanently surfaced site roads as early as possible during the construction phase.
6.2.3 Any vehicles leaving the site will be required to be inspected and any excess mud / debris will be removed prior to the exit onto the highway network. Wheel washing facilities will be made available near to the site access to ensure all vehicles pass the facility before joining the highway network. This is particularly relevant to any excavation work but is applicable throughout the entirety of the construction phase. 6.3 Vehicle Emissions
6.3.1 All construction vehicles will be required to comply with relevant European Standards. Suppliers and drivers will be required to: -
Switch off their vehicle’s engine when stationary to prevent exhaust emissions; Maintain vehicles including engines in tune and catalysts working efficiently; and All vehicles used by contractors must comply with MOT emission standards at all times.
6.4 Waste Management
6.4.1 The disposal of waste generated during construction will be managed to maximise the environmental and development benefits from the use of surplus material and to reduce any adverse effects of disposal. In general, the principles of the waste management hierarchy, which favours waste minimisation, re-use and materials and recycling over disposal to landfill will be favoured.
6.4.2 The Principle Contractor will ensure minimisation of waste arising on site and reuse where possible, either directly or by recycling, waste monitoring, and setting of targets. Initiatives to reduce other waste streams included as far as practically possible: -
Minimising raw material waste through analysing design and construction techniques where possible; Making a commitment to develop waste minimisation opportunities by maintaining a role in the management of the supply chain during construction. Measures such as bulk buying and the use of ‘large customer purchasing power’ to influence and make demands on suppliers will be utilised; Liaison with suppliers to enable packaging material to be sent back for reuse, the use of off-cuts where possible and the recycling of off-cut material by the supplier; Engaging contractors in the process of maximising the use of recycled aggregates for hardcore and alternative cements according to application; and Ensuring no vehicle leaves the site empty, i.e. a ‘take-back’ policy will be adopted whereby all return vehicles will take ‘associated waste’ off-site.
6.4.3 Suitable protection measures will be incorporated in the design of the waste management area to prevent pollution, and regular inspections carried out to ensure that stored waste is covered by present accidental spillage and from being blown away.
6.4.4 Movement of waste by haul road and public highways will avoid, where possible, the use of access routes through residential areas. When leaving site, vehicles will be sheeted/covered to prevent any escape of materials onto public highway. Materials stored on Site for disposal (e.g. spoil arising) will be subject to the provisions of the duty of care and may require a waste management permit.
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 22
7. MONITORING & MITIGATION
7.1 Highway Condition Survey
7.1.1 A Highway Condition Survey will assess the highway network within the vicinity of Sky Academy and proposed construction traffic routes prior the commencement of works on site. It is suggested that the survey includes a detailed photographic record of appropriate items such as the carriageway, kerbs, traffic signs and road markings in order to confirm the existing conditions of the highway network.
7.1.2 The survey will be undertaken following the completion of the development in order to establish any damages to the existing highway network as a result of the construction phase. Where appropriate, any defects caused by construction traffic to the existing highway network will be rectified.
7.1.3 The responsibility of undertaking the Highway Condition Survey rests with the Site Manager and a highway officer from CC is required to be on site during the survey procedure.
7.2 Inspections
7.2.1 If any excavation work is undertaken, daily formal inspections will be made of the highway on main routes to the site and any excess mud / debris will be removed.
7.2.2 During the course of the construction phase, weekly formal checks will be made of the route to the site. Informal checks will be made on a daily basis by all site personnel. 7.3 Monitoring
7.3.1 Any traffic incidents will be reported to the Principle Contractor who will notify the Project Manager. In the case of an accident, a tow-truck contractor will attend to the clearance of the accident scene.
7.3.2 The Principle Contractor, in association with the client and CC will ensure that the construction traffic operators comply with this CTMP.
7.3.3 Monitoring will include daily pre-start visual inspections of construction vehicles to ensure vehicles are maintained in good working order and in accordance with manufacturer specifications. Noise controls, such as low-noise mufflers, will have to be installed and maintained. 7.4 Public Information
7.4.1 Information on the movements of construction traffic and the project program will be provided to local residents and relevant local media to help inform the public on the construction prior to the commencement, progress of the scheme and the potential for any disruption associated with the construction traffic. 7.5 Review and Implementation of the CTMP
7.5.1 The effectiveness and implementation of the CTMP will be reviewed by the management team on a regular basis to ensure that the measures set out within this CTMP are complied with and that the continual improvement of the CTMP will be achieved by identifying areas of improvements are and the corrective actions are sought.
Advance Consulting Engineers Ltd
Sky Academy, West Carclaze, Treverbyn, St Austell, Cornwall |Caledonian DfE | C20022-ADV-RP-CTMP-1002(A) pg. 23
Landscape General Arrangement Plan (Stride Treglown)
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13 H NORTH 02 ft -D 2 3 / 1 A 21 DRAWING TITLE m 2 Landscape General Arrangement Plan
2 / 1 67 H m - 2 D 17 7 97 B ft
2/ 1 07 STATUS CODE SCALE .8m H 211 -D 60 1B ft S2 : Suitable for information As indicated@A1 2 / 1 0 10 m 20 m 40 m 67 H- m 2 1 D7 79 B 7ft 2 / H 10 -D 7. 1 PROJECT - ORIGINATOR - VOLUME - LEVEL - TYPE - ROLE - CLASS. - NUMBER STATUS _ REVISION 8m 2 B 1 16 0ft FS0782-STL-ZZ-XX-DR-L-00-9000 S2_P29 Level 00 _ Option 1 - Phase 3 CEM Update - Reorientated 1 : 500
A391 (Originating from the A30(T) – Innis Down Interchange) Prescribed Route Map
A30(T)
Victoria Lockengate
Roche
Bugle
Whitemoor
Stenalees Key: A390 A-Road Penwithick A391 Prescribed Route Origin Sky Des na on A391 Academy
Drawing Title Date Project Rev Descrip on Date By July 2020 A For Informa on July 2020 HS Construc on Traffic Prescribed Sky Academy West Carclaze Garden Village, St Job No. Route 1 - A391 Austell, Cornwall C20022
A391 (Originating from the A390 – Priority T- junction Arrangement) Prescribed Route Map
Key: Trethurgy A-Road A391 Prescribed Route Origin Sky Des na on Academy
Eden Project
Scredda
Carclaze
A390
A3082 St Austell
Drawing Title Date Project Rev Descrip on Date By July 2020 A For Informa on July 2020 HS Construc on Traffic Prescribed Sky Academy West Carclaze Garden Village, St Job No. Route 2 - A391 Austell, Cornwall C20022