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This volume sets out the requirements of the Director General of Sewerege Service Department (DGSS) for the design and construction of individual septic tanks within developments. This volume applies to multi unit housing; mixed and individual residentil or commercial developments with a P.E size less than 150, where the use of individual septic tank is being considered.The largest capacity of individual septic tank so far approved is for 30 PE only. Where the design PE is more than 30 for a single unit of building or sub-divided lot, other system of treatment shall be provided.This volume does not cover the installation of internal plumbing systems to buildings. The requirements for internal plumbing systems is managed by the relevant local authorities. Post Date : 12 Desember 2006 |