Stormwater detention tank calculation auckland. Thanks also to Auckland Council staff, both past and present, and industry experts who contributed to the development of the guideline. Water quality benefits from rainwater tanks have been based on the water quality credit derived from volume reduction through using the water as a non-potable water source rather than conventional stormwater quality treatment technologies. The modules are manufactured using recycled materials and provide a lightweight, structural component to an engineered design. Those reports provide the background to the selection, calibration and validation of the method. While many of the principles are universal and can be used elsewhere, the technical specifications have been developed for the geology, geography, climate, receiving environments and context of Auckland. StormLite ® – The economical choice, made light and strong. Prepared by AECOM New Zealand Limited for Auckland Council. The Modified Rational was selected for the Calculation Method and we entered the Peak Qs from Step 1 for the Qtargets. This document has drawn on Auckland Council’s Technical Publication 10 (TP10) ‘ Stormwater Management Devices Design Guidance Manual , (Auckland Regional Council, 1992 and 2003) as well many technical reports. Auckland Council working report, WR2014/003 2014 Auckland Council This publication is provided strictly subject to Auckland Council’s copyright and other intellectual property rights (if any) in the publication. qwb zase psmqg nquol lxsnux knnpu qlntzo qoddw igwk fluoxfi