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P30 Trenches, pipeways and pits for buried engineering services
GENERAL
PRODUCTS
301 ACCESS COVERS AND FRAMES roadways and car parks, generally
• Standard: To BS EN 124.
• Manufacturer: Contractor's choice.
- Product reference: Submit proposals.
• Material: Steel.
• Types: C250.
301A ACCESS COVERS AND FRAMES pedestrian areas, generally
• Standard: To BS EN 124.
• Manufacturer: Contractor's choice.
- Product reference: Submit proposals.
• Material: Steel.
• Types: A15.
320 PIPEDUCTS generally for site distribution
• Manufacturer: Contractor's choice.
- Product reference: Contractor's choice.
• Type: Full duct.
• Material: PVC-U to BS EN 1401-1, class SN4, Kitemark certified.
• Colours: Black.
• Sizes: site specific.
• Jointing: Push fit flexible joints.
411 SELECTED AS-DUG MATERIAL
• Material: Selected, free from vegetable matter, rubbish, frozen soil and excluding
lumps and stones retained on a 40 mm sieve.
412 GRANULAR MATERIAL
• Material: Granular, size 4/10 to BS EN 12620.
475 DRAWLINES
• Material: Light gauge natural polypropylene.
• Manufacturer: Contractor's choice.
- Product reference: Contractor's choice.
480 WARNING MARKER TAPES
• Standard: To BS EN 12613.
• Type: Continuous colour coded, heavy gauge polyethylene identification tapes.
• Manufacturer: Contractor's choice.
- Product reference: Contractor's choice.
• Width: 100 mm.
• Colour: as appropriate for each service.
• Message: as appropriate.
• Wire detection aid: Required.
RotF generic (intermediate) NBS 2014 6118-AEW-XX-XX-NBS-A-01
