Plastics piping systems for non-pressure drainage and sewerage. Polyester resin concrete (PRC) - Manholes and inspection chambers Ingestion-build-207047 What’s changed since the last

What’s changed since the last update

Institutions and organisations working on digital test vector data

number of slates required for type tests and factory production control

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transformer oil

Plastics piping systems for non-pressure drainage and sewerage. Polyester resin concrete (PRC) - Manholes and inspection chambers Ingestion-build-207047 What’s changed since the last1 Scope This European Standard specifies units made from polyester resin concrete (PRC, see 3. 1. 18), and their joints, for the construction of inspection chambers with inverts not exceeding 2 m deep and for manholes, intended to be used within a drain or sewer system operating without pressure. It applies to products for use outside buildings in buried installations to be installed by open trench techniques. This document applies to nominal sizes