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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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