Concrete pipes and ancillary concrete products - Specification for unreinforced and reinforced concrete manholes and soakaways (complementary to BS EN 1917:2002) Ingestion-build-159183 were found to give significantly

were found to give significantly different impact values when testing test pieces of the same material

Invalidation of test results

Contents of BS ISO 21439:

This document does not apply to tail lifts which are manufactured before the date of publication of this document by CEN

repeat rules for recurring time intervals

Concrete pipes and ancillary concrete products - Specification for unreinforced and reinforced concrete manholes and soakaways (complementary to BS EN 1917:2002) Ingestion-build-159183 were found to give significantlyConcrete pipes and ancillary concrete products Part 3: Specification for unreinforced and reinforced concrete manholes and soakaways (complementary to BS EN 1917: 2002) Executive summary Requirements for unreinforced and reinforced concrete manholes and soakaways. Abstract This British Standard, a part of the BS 5911 series, specifies complementary requirements to those in BS EN 1917 for unreinforced and reinforced concrete manholes of circular and