Construction and testing of drains and sewers Ingestion-build-73935 • air-to-air air conditioners which

• air-to-air air conditioners which evaporate the condensate on the condenser side

Environmental testing is the process of determining product performance in specific environments

which has been technically revised

BS ISO 23601:2009 Safety identification

including co-ordination in service (discrimination and back-up  protection)

Construction and testing of drains and sewers Ingestion-build-73935 • air-to-air air conditioners whichWhat is this standard about? It gives guidelines for the construction and related testing of drains and sewers that are buried in the ground and or operating under pressure. Who is this standard for? Waste water and drainage specialists Construction designers, specifiers and engineers Installers of drains and sewers Environmental consultants Why should you use this standard? It gives updated recommendations on drains and sewers installed in trenches,