CDM (GB) Knowledge Base
HSE Booklet HS(G)47 "Avoiding Danger from Underground Services"
This document gives comprehensive advise on all buried services: electricity cables, gas pipes, water pipes & sewers, sand telecommunications cables. It sets out measures that should be taken and safe systems of work that should be followed prior to any excavation. It is essential that as much information as possible is obtained about buried services in the area of work. Areas covered are location of services, works affecting existing services, new services, and demolition sites.