Subject: Publication of Technical Drawing for Sewerage System Part 1: Sewer and Appurtenances: Gravity Sewer (SPAN DW 0101:2011)
To all stakeholders,
National Water Services Commission (SPAN) has published a technical drawing for sewerage system titled “Standard and Typical Drawing for Sewerage System Part 1: Sewer and Appurtenances – Gravity Sewer”.
This document has been developed by a Technical Working Group consisting of various stakeholders and experts in their relevant fields. The members in Technical Working Group are nominated by agencies whom had been invited by SPAN to develop the document. This document has undergone public consultation and has been approved by the Commission for enforcement and publication.
Therefore, SPAN as the regulatory agency for water services industry will enforce the use of this document from 1st May 2012 as reference documents for technical specifications of gravity sewer utilising rigid and flexible pipes.
The provisions in the Technical Drawing for Sewerage System Part 1: Sewer and Appurtenances: Gravity Sewer shall take precedence where there are discrepancies in the specifications or requirements between this document and Malaysian Sewerage Industry Guidelines Volume III Sewer Network & Pumping Station.
Technical Standards and Compliance Division
Sewerage Regulatory Department
National Water Services Commission