Page 80 - McD_ROTF DRAINAGE & PIPED SERVICES_Neat
P. 80
Drainage & Piped Services Standard Specification
Version 2014-1
Main channels:
Sizes: DN 110 and DN 160.
Jointing type: Spigot and socket for flexible ring seal jointing.
Form: Straight; 45° bend; 87.5° bend; 90° bend; and Long radius bend.
Channel junctions: DN 110 equal junction; DN 160 equal junction; and DN 160 unequal
junction.
Integral accessories:
Vitrified clay channels for access chambers type C
Manufacturer: Hepworth/Wavin Ltd
Material and standard: Vitrified clay to BS 65.
Main channels:
Sizes: Submit proposals.
Jointing type: Spigot and socket for cement mortar jointing.
Branch connectors:
Sizes: Submit proposals.
Form: Three quarter round.
Integral accessories: Submit proposals.
Designated concretes for drainage applications type O
Source: Submit proposals.
Standard: To BS 8500-2.
Third party certification: BSI Kitemark.
Concrete: Submit proposals.
Aggregate size (maximum): Submit proposals.
Access chamber steps type F
Manufacturer: Submit proposals.
Standard: To BS EN 13101.
Form: Manufacturer's standard.
Material: Manufacturer's standard.
Integral accessories: Manufacturer's standard.
Precast concrete inspection chambers – cover slabs
Manufacturer: Milton Pipes Ltd
Standards: To BS 5911-4 and BS EN 1917.
Third party product certification: BSI Kitemark.
Cement type and content: Sulfate resisting.
Classification: BS 5911-4 type 1 or type 2, determined by invert level of inspection chamber.
Sizes: Submit proposals.
Integral accessories: Submit proposals.
Designated concretes for drainage applications type P
Source: Submit proposals.
Standard: To BS 8500-2.
3 / 48
McDonalds Restaurants Ltd
