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Drainage & Piped Services Standard Specification
Version 2014-1
Plastics Distribution and Sampling Chamber System for Below Ground Drainage
System Performance: Design of access chambers for below ground drainage type The chamber is to be
suitably sized and accessible to be used a sampling point.
System manufacturer: Polypipe Terrain or equal and approved
Bedding: Submit proposals.
Base: Integral with chamber.
Chamber: Plastics distribution and sampling chambers.
Surround: Designated concretes for drainage applications type K.
Collar: Designated concretes for drainage applications type L.
Seating: Submit proposals.
Cover: Integral, supplied with chamber.
Backfill: Submit proposals.
Execution: Installing plastics distribution and sampling chambers for below ground drainage and Installing
access covers and frames to chambers for below ground drainage type E.
System Completion: Removal of debris and cleaning below ground drainage monitoring and control
systems type D; Water testing of manholes and inspection chambers for below ground drainage monitoring
and control systems type D; Testing of ancillary components in below ground drainage monitoring and
control systems type D; and Documentation type D.
System Performance
Design of access chambers for below ground drainage type The chamber is to be suitably sized and
accessible to be used a sampling point
Design: The design of the access chamber system.
Standards: To BS EN 752 and in accordance with National Annex NA.
Products
Plastics distribution and sampling chambers
Manufacturer: Polypipe Terrain or equal and approved
Form: Distribution and sampling chamber.
Material: polypropylene
Dimensions:
Width: 450 mm and 550 mm.
Depth: Submit proposals.
Inlet: DN 110 and DN 160.
Outlet: DN 110 and DN 160.
Integral accessories: Access cover and frame and Raising pieces.
Designated concretes for drainage applications type K
Source: Submit proposals.
Standard: To BS 8500-2.
Third party certification: BSI Kitemark.
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McDonalds Restaurants Ltd
