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WWHM3 Project Book Description
Paperback, 430 pages.
Compilation of the knowledge and insight of WWHM3’s three developers: Doug Beyerlein, Joe Brascher, and Shanon White.
The WWHM3 PROJECT BOOK includes step-by-step instructions with pictures for designing 20 different representative projects: pond sizing using AutoPond, manual pond sizing, offsite basin, bypass basin, full infiltration, partial infiltration, sand filter sizing, vault sizing, irregular shaped pond sizing, tank sizing, use of the SSD Table, residential development basin, water quality facility sizing, green PERLNDs, lateral flow basins, gravel trench bed sizing, multiple points of compliance, modeling an entire watershed, green roof modeling, and bioretention modeling. In addition, the book includes tricks on how to add base flow, represent LID facilities, and size filter cartridges.
For WWHM3 project reviewers there is a section describing how to review WWHM3 files and output and a reviewer checklist is included.
A CD is included with the WWHM3 PROJECT BOOK. The CD contains the WWHM3 projects described in the book along with the latest version of the WWHM3 program and all of the county maps and files.
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Features
The purpose of the WWHM2 Project Book was to present and discuss how to use the Western Washington Hydrology Model version 2 (WWHM2) to size stormwater control facilities to meet the Washington State Department of Ecology flow control standards.
The WWHM3 Project Book is that and more. As will be demonstrated in the project examples, WWHM3 can model entire watersheds. With WWHM3 the user can model nearly an unlimited number of subbasins, stormwater facilities, and conveyance systems (including natural open channels and culverts).
As with the WWHM2 Project Book, the bulk of this book focuses on providing the reader with step-by-step instructions for a variety of projects and describing many of the options available to the WWHM3 user. The examples presented do not exhaust all of the different possible situations and ways WWHM3 can be used, but they should give the reader a good idea of how to do the basic tasks required to model, size, and analyze many different types of stormwater control facilities and conveyance systems.
This book does not replace but is designed to supplement the Washington State Department of Ecology’s Western Washington Hydrology Model Version 3 User’s Manual and the Washington State Department of Ecology’s Stormwater Management Manual for Western Washington. Both of these publications are available from the Washington State Department of Ecology’s web site.
– Doug Beyerlein, August 2006
Clear Creek Solutions, Inc.
Mill Creek, Washington
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