<p>Project Name: Nortrax Section 27 05 28</p><p>Project No: 13-013 PATHWAYS FOR COMMUNICATIONS SYSTEMS Page 1</p><p>PART 1 - GENERAL</p><p>1.1 General</p><p>.1 Division 26 specification documents shall be followed in conjunction with the following specs.</p><p>.2 The Telecommunications Cabling Contractor shall not use any mechanical or electrical fittings to support the telecommunications cabling. All telecommunications cabling shall be independently supported.</p><p>.3 The Telecommunications Cabling Contractor shall independently support the cables above all ceiling tiles and in a manner where the cables do not interfere with the removal of the ceiling tiles. A minimum of 75 mm 3”(in) of clear vertical space above the ceiling tiles shall be main- tained. </p><p>.4 The General Contractor/Project Manager/The Consultant must approve all deviations from the contract documents and drawings in relation to cable routing, outlet and equipment locations. </p><p>1.2 Hangers</p><p>1. Anchors for hangers must not be drilled into post-tensioned beams under any circumstances.</p><p>2. The Telecommunications Cabling Contractor is responsible for coordinating the best time to in- stall the anchors with the General Contractor/Project Manager/The Consultant. After hours work may be required for this portion of the work. </p><p>3. Hangers & supports shall be sized to accommodate the number of cables in each run. Other hardware such as hammer on clamps, screw on clamps and angled hanger brackets to support the backbone and/or horizontal cabling shall be included. </p><p>1.3 Conduit</p><p>1. Division 26 specification documents shall be followed in conjunction with the following specs.</p><p>2. Electrical Metallic Tubing (EMT) of the sizes indicated shall be installed.</p><p>3. Conduit extending from outlet to cabletrough/raceway shall be a minimum of 1”(in) unless the ca- bles exceed a 40% fill ratio. </p><p>4. No EMT shall be smaller than 1”(in) unless specifically detailed in this document.</p><p>5. No more than two - 90° bends in conduit between pull points. Provide a pull box for every 30 m 100'(ft) of conduit. Pull boxes are not to be used as bends.</p><p>6. Conduits of 50mm 2"(in) or less to have a bend radius of six (6) times the conduit diameter. A conduit greater than 50mm 2”(in) to have a bend radius of ten (10) times the conduit diameter.</p><p>7. Bush, ream and remove any sharp projections on all conduits. </p><p>8. All conduit shall be labelled at each end indicating the destination. Project Name: Nortrax Section 27 05 28</p><p>Project No: 13-013 PATHWAYS FOR COMMUNICATIONS SYSTEMS Page 2</p><p>9. Run all conduit parallel or perpendicular to building grid lines.</p><p>10. Slots and sleeves to extend a minimum of 50 mm 2"(in) above the finished floor. Conduits shall protrude a minimum of 76 mm 3”(in) into rooms through walls. </p><p>11. Conduits shall not compromise existing HVAC ducting or sheet metal work. </p><p>12. Division 26 specification documents shall be followed in conjunction with the following specs.</p><p>13. Innerduct shall be sized appropriately to maintain the 40% fill ratio and allow for a proper bend ra- dius of the cable(s) within.</p><p>14. Acceptable Manufacturers: Size Non-Plenum Orange Non-Plenum Yellow 1” Panduit Part# CLT125F-L3…. Panduit Part# CLT150F-X4 2” Panduit Part# CLT188F-X3 Panduit Part# CLT188-X4</p><p>1.4 Cable Trough</p><p>1. Division 26 specification documents shall be followed in conjunction with the following specs.</p><p>2. The Telecommunications Cabling Contractor shall be responsible for coordinating the installation with Division 26.</p><p>3. Cable trough shall be sized (including 10% growth) as per the drawings and will accommodate all horizontal and/or backbone cabling within the Telecommunications Room as well as entering/ex- isting the Telecommunications Room.</p><p>4. All material to properly install the cable trough shall be provided. The cable trough system shall accommodate the weight of the horizontal and/or backbone cabling including 10% growth. </p><p>5. Provide horizontal elbows, end plates, vertical risers and drops, tees, wyes, expansion joints and reducers where required. </p><p>PART 2 - PRODUCT 2.1 Hangers Description Panduit Part# Wall Mount JP2W-L20 Ceiling Mount JP2CM-L20 Drop Wire & Threaded Rod Clip JP2DW-L20 Screw-On Beam Clamps JP2SBC50-L20 or JP2SBC50R-L20 Hammer On Beam Clamps JP2HBC25R-L20 or JP2HBC50R-L20 or JP2HBC75R- L20 Purlin Clips JP2ZP-L20 or JP2CP-L20 Under Floor Pedestal Support Clamp JP2UF100-L20 Project Name: Nortrax Section 27 05 28</p><p>Project No: 13-013 PATHWAYS FOR COMMUNICATIONS SYSTEMS Page 3</p><p>2.2 Conduit Fastening</p><p>1. One hole malleable iron, hot dipped galvanized straps to secure surface mounted conduits. </p><p>2. Beam clamps to secure conduits to exposed steel members. </p><p>3. Provide 12 gauge galvanized steel channel type supports for two or more conduits on minimum 1500 mm centres. Use suitable conduit clamps in channel. </p><p>4. Threaded rod with a minimum dia. of 6mm shall be used to support the suspended channels. </p><p>5. Gray flame retardant polyethylene Threaded Rod Covers shall be installed to protect the cables from abrasion. Panduit Part# TRC18FR-X8.</p><p>2.3 Conduit Fittings</p><p>1. Fittings manufactured for use with the conduit specified with the same coating as conduit.</p><p>2. Provide insulated steel Rain Tight connectors and couplings for all EMT conduits 50 mm 2”(in) and smaller. </p><p>3. All 4”(in) conduit shall have conduit water falls installed. Panduit Part# CWF400.</p><p>PART 3 - EXECUTION</p><p>1. The Telecommunications Cabling Contractor shall run all pathways including conduits, in- nerduct and cable trough parallel or perpendicular to building lines.</p><p>2. The Telecommunications Cabling Contractor shall maintain the following minimum clear- ances from electrical and heat sources when routing copper cables. Minimum Separation Distances Item (<2kVA) (2-5kVA) (>5kVA) Unshielded power lines or electrical 127 mm 305 mm 610 mm equipment in proximity to open or non- (5”(in)) (12”(in)) (24”(in)) metallic pathway. Unshielded power lines or electrical 64 mm 152 mm 305 mm equipment in proximity to a grounded metal (2.5”(in)) (6”(in)) (12”(in)) conduit pathway. Power lines enclosed in a grounded metal 76 mm 152 mm conduit (or equivalent shielding) in proximity --- (3”(in)) (6”(in)) to a grounded metal conduit pathway. Motors 1.2 m (4’-0”) Transformers 1.2 m (4’-0”) Conduit and cables used for electrical 0.3 m (1’-0”) distribution less than 1kV Conduit and cables used for electrical 1.0 m (3’-0”) distribution greater than 1kV Project Name: Nortrax Section 27 05 28</p><p>Project No: 13-013 PATHWAYS FOR COMMUNICATIONS SYSTEMS Page 4</p><p>Fluorescent Luminaires 300 mm (12”) Pipes (gas, oil, water, etc.) 120 mm (5”) HVAC (equipment, ducts, etc.) 150 mm (6”)</p><p>3. Supply and install Caddy hangers, hanger supports and any other miscellaneous hard- ware required to support telecommunications cabling where conduit/ladder tray has not been provided.</p><p>4. Panduit J-Pro hangers are to be used every 4’(ft) 1.2 m.</p><p>5. All conduit shall have 3mm polypropylene, minimum, fish cords installed.</p><p>6. Supply and install innerduct along the full length of the fibre optic cable.</p><p>7. The innerduct shall be fastened to the building support when installed in the ceiling space.</p><p>8. The innerduct shall be fastened to the backboard, rack or cabinet by utilizing cradle mounts and plastic permanent cable ties. </p><p>9. Install cable tray as indicated on the drawings. </p><p>10. Support cable tray every 10’(ft). 11. All sharp burrs and projections to prevent damage to cables, ladders or personnel.</p>