Concrete pipes and ancillary concrete products - Specification for unreinforced and reinforced concrete inspection chambers (complementary to BS EN 1917:2002) Ingestion-build-48974 10 Noise measurement

10 Noise measurement

ISO 9004 aims to embed quality even more widely throughout the organization

refers to a computerized x-ray imaging procedure in which a narrow beam of x-rays is aimed at a patient and quickly rotated around the body

and pressure ranges and are provided with various specifications

Concrete pipes and ancillary concrete products - Specification for unreinforced and reinforced concrete inspection chambers (complementary to BS EN 1917:2002) Ingestion-build-48974 10 Noise measurement1 Scope BS EN 1917 specifies requirements and describes test methods for precast concrete inspection chambers, designed to be used for inverts not exceeding 2 metres deep, of circular, rectangular (with or without chamfered or rounded corners) or elliptical cross section, unreinforced, steel fibre and reinforced, with nominal sizes or nominal lengths not exceeding DN 1250 or LN 1250, respectively. The intended use of BS EN 1917 is to permit access to,