Inspection Chambers, Covers and Frames - Polypropylene
Polypipe Inspection Chambers, Covers and Frames are made from Polypropylene, Concrete, Aluminium or Ductile Iron and are black unless otherwise stated.
Loading Classification for Covers and Frames:
A15 = Equivalent to Class A15 load category of BS EN 124-1 2015 and BS ISO 15398 2012 (Areas which can only be used by pedestrians and pedal cyclists.)
A35 = Equivalent to Class A35 load category BS ISO 15398 2012 (Private [single] household driveways not part of the Public Highway)
A50 = Tested to withstand 50kN test load. Equivalent to Class A35 load category BS ISO 15398 2012 (Private [single] household driveways not part of the Public Highway)
B125 = Class B125 load category of BS EN 124-1 2015 (Driveways, Footways & Landscaped Areas)
for further details see: https://www.polypipe.com/housing/housing/inspection-chambers-and-channel-drain-faqs