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Drainage & Piped Services Standard Specification
Version 2014-1
Above-Ground Wastewater Drainage System with Internal Stacks
System Performance: Design of above ground wastewater drainage systems.
System manufacturer: Polypipe Terrain or equal and approved
Floor drainage:
Preparation to existing floors:
Floor channels and gullies: As schedule
Covers and gratings: Stainless steel
Fixing: Select from the manufacturers range to suit the structure.
Sanitary pipework:
Small diameter branch discharge pipework:
Traps: Sanitary appliance traps.
Pipelines and fittings: Modified unplasticized polyvinyl chloride (MUPVC) above ground
wastewater branch discharge pipelines type A.
Accessories for jointing: Solvent welding cement.
Supports: Brackets and clips for above ground drainage pipelines type A
Accessories for fixing: Stainless steel screws.
Large diameter branch discharge pipework:
Pipelines and fittings: Unplasticized polyvinyl chloride (PVC-U) above ground drainage pipelines
Accessories for jointing: Solvent welding cement.
Supports: Brackets and clips for above ground drainage pipelines type A.
Accessories for fixing: Stainless steel screws.
Discharge stack pipework:
Pipelines and fittings: Unplasticized polyvinyl chloride (PVC-U) above ground drainage pipelines
type A.
Accessories for jointing: Solvent welding cement.
Supports: Brackets and clips for above ground drainage pipelines type A.
Accessories for fixing: Stainless steel screws.
Ventilating pipework:
Ventilating branch pipework:
Pipelines and fittings: Modified unplasticized polyvinyl chloride (MUPVC) above ground
wastewater branch discharge pipelines type B.
Accessories for jointing: Solvent welding cement.
Supports: Brackets and clips for above ground drainage pipelines type A.
Accessories for fixing: Stainless steel screws.
Ventilating stack pipework:
Pipelines and fittings: Unplasticized polyvinyl chloride (PVC-U) above ground drainage pipelines
type A.
Accessories for jointing: Solvent welding cement.
Supports: Brackets and clips for above ground drainage pipelines type A.
Accessories for fixing: Stainless steel screws.
Overflow pipework:
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