Guidelines for Estimating Sewage Flows for Sewage Infrastructure Planning (Version 1.0)

This Technical Paper, for the reference of EPD staff, outlines the methodology and provides guidance for estimating sewage flows in sewerage infrastructure planning. In conjunction with this Technical Paper, the methodology and parameters for sewage flow estimation described in DSD's Sewerage Manual – Part I may continue to be applicable for use by external parties and other government departments. Regardless of the choice of the design basis, the designer has to provide justification for the parameters used.

Information contained in this publication may be freely used. Reproduction of materials is permitted with notification to the Director of Environmental Protection. Acknowledgement must be made by indicating the title of this publication.