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Drainage & Piped Services Standard Specification
Version 2014-1
Standards: To BS 5911-3 and BS EN 1917.
Third party product certification: BSI Kitemark.
Concrete quality: Submit proposals.
Cement type and content: Submit proposals.
Sizes (nominal): Submit proposals.
Preformed channels and benching: Submit proposals.
Integral accessories: Galvanized steel lifting rings;
Ladders;
and Steps.
Precast concrete manholes – chamber sections type A
Manufacturer: Milton Pipes Ltd or equal and approved
Standards: To BS 5911-3 and BS EN 1917.
Third party product certification: BSI Kitemark.
Concrete quality: Submit proposals.
Cement type and content: Sulfate resisting.
Sizes (nominal): Submit proposals.
Integral accessories: Ladders and Steps.
Designated concretes for drainage applications type M
Source: Submit proposals.
Standard: To BS 8500-2.
Third party certification: BSI Kitemark.
Concrete: Submit proposals.
Aggregate size (maximum): Submit proposals.
Orifice plate flow control units type B
Manufacturer: Submit proposals.
Material: Manufacturer's standard.
Flow rate (maximum): Submit proposals.
Vortex flow control units type B
Manufacturer: Submit proposals.
Third party certification: BBA Agreement certification.
Material: Manufacturer's standard.
Flow rate (maximum): Submit proposals.
Drain down secondary outlet pipe:
Form: Submit proposals.
Control type: Disc valve, surface operated; Flap valve, surface operated; and Penstock
valve, surface operated.
Access chamber ladders type A
Manufacturer: Submit proposals.
Standard: To BS 4211.
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McDonalds Restaurants Ltd
