Round Manhole (PPIC) Covers, Bases and Risers
Covers, Bases and Risers
320mm or 450mm
Round manhole covers, bases and risers available for 320mm and 450mm PPIC Chambers.
Manufactured from polypropylene.
Sizes & Options:
Round Manhole Cover & Frame (25kn loading)
170mm Deep Base
135mm High Riser
Ensure silicone sealant is used to fit the first riser to manhole base and in subsequent riser-to-riser jointing.
The base has 45° entries on either side.
Construct to a maximum depth of 600mm
Round Manhole Cover & Frame (35kn loading)
220mm Deep Base
215mm High Riser
Ensure a ring seal is located between the base and the first rising piece, using silicone lubricant to ease fitting.
The base has 45° and 90° entries on either side.
Construct to a maximum depth of 1200mm