Building Regulations Approved Document H : Drainage and Waste Disposal Legislation for new build and extensions.
WRc : Originally the Water Research Centre and now WRc Plc. WRc is an innovative, research-based group, providing consultancy in the water, waste and environment sectors. Publishes many essential sewerage guides & specifications.
CIWEM : The Chartered Institution of Water and Environmental Management (CIWEM) is the leading professional and examining body for scientists, engineers, other environmental professionals, students and those committed to the sustainable management and development of water and the environment.
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