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Defects per million opportunities (DPMO)
cable TV or power distribution networks
on several points
a standard energy use that does not depend on occupant behaviour
It applies to electrical equipment where the rated input voltage does not exceed 15 kV r
Code of practice for noise and vibration control on construction and open sites - Noise has-corrigendum Defects per million opportunities (DPMO)1 Scope This part of BS 5228 gives recommendations for basic methods of noise control relating to construction sites, including sites where demolition, remediation, ground treatment or related civil engineering works are being carried out, and open sites, where work activities operations generate significant noise levels, including industry specific guidance. The legislative background to noise control is described and recommendations are given
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