Round Manhole (PPIC) Covers, Bases and Risers

Description

Round manhole covers, bases and risers available for 320mm and 450mm PPIC Chambers.

Manufactured from polypropylene.

Sizes & Options:

320mm diameter:

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

450mm diameter:

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