Modelling Special Interest Group NATIONAL MODELLING GUIDELINES WASTEWATER NETWORK MODELLING Draft Version 01 Revision 05 – April 2009 Preface This document constitutes draft Version1 Revision 5 of the Water New Zealand National Guidelines Module 1: Wastewater Modelling Guidelines. Version 1 Revision 4 was published in September 2008. Version 1 Revision 3 was published in June 2004. Version 1, Revision 2 was reviewed by Water New Zealand. Version 1, Revision 1 was released for industry consultation in the summer of 2003/2004 Acknowledgments It is acknowledged that a number of individuals have given up their time and resources in the production of these guidelines, since their inception in the summer of 2003/2004. Onbehalf oftheWater NewZealand,ModellingSpecial InterestGroup,their contribution is recognised and greatly appreciated. Further information on these draft guidelines is available from: Water New Zealand PO Box 1316 Wellington www.waternz.nz Copyright ? Water New Zealand, Reproduction, adaptation or issuing of this publication for educational or other non-commercial purposes is authorised without prior permission of the Water New Zealand. Reproduction, adaptation or issuing of this publication for resale or other commercial purposes is prohibited without the prior permission of Water New Zealand. Disclaimer While the Modelling Special Interest Group of Water New Zealand has prepared these Guidelines in good faith, exercising all due careand diligence, neither Water New Zealand or individual membersof the Modelling Special Interest Group, or their employers, give any representation or warranty, expressed or implied, as to the relevance, completeness or fitness of this document in respect of any particular user’s circumstances. All users of these Guidelines should satisfy themselves concerning its application to their situation and, where nece