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. the many versions of the EPA Stormwater Managl:ment Model (EPASWMM, UDSWM2- PC, and MODSWMM); . the U.S. Army Corps of Engineers' Flood Hydrograph Package (HEe-I); . the U.S. Army Corps of Engineers' Backwater Profile computer model (HEC-2); . the u.s. Army Corps of Engineers' unsteady flow model for analyzing full network stream systems (UNET); . the IUvlA models (F ASTT ABS) for two-dimensional analysis of open channels; . the computer program which automates the Federal Highway Administration procedures for designing culverts (HY-8); and . the Urban Drainage and Flood Control District computer model for hydraulic analysis of storm sewer systems (UDSewer). In addition, Mr. Koch has been the project manager for many urban and rural drainage system analyses and designs in the Cities of Fort Collins, Golden, Greeley, and Firestone, Colorado, Irvine, California, and Cheyenne, Wyoming; as well as Larimer County, Colorado, Douglas County, Nevada, and Douglas County, Colorado. The following is a selected sample of studies for which Mr. Koch has either managed or been significantly responsible: . Project manager for the Timberline Road Extension and Bridge Design, Fort Collins and Larimer County, Colorado. This project involved a multi-task, multi-discipline effort which included: (a) hydraulic design of a 340-foot span bridge over the Cache La Poudre River, including the design of an alternate conveyance channel under the bridge for carrying large flood flows; (b) design of channel stabilization measures in the vicinity of the bridge and the confluence with the proposed Dry Creek Overflow Channel; (c) floodplainlfloodway evaluation and delineation for the river and two divergent flow paths; (d) preparation of all CLOMR and LOMR application materials for the Cache La Poudre River and the two split flow paths; and (e) hydrologic and hydraulic evaluation and design of street drainage improvements, including storm sewer pipes and inlets, open channels, and channel protection measures. . Project manager for technical analyses and design elements of the West Vine Drainage Basin Floodplain Project, Larimer County and Fort Collins, Colorado. This study was conducted in support of Larimer County's Hazard Mitigation 404 Grant Application to FEMA for a project intended to provide flood damage mitigation within the West Vine Basin. Mr. Koch's responsibilities included: (a) formulation and evaluation of several alternative solutions; (b) preliminary hydraulic d(:signs for open channels, road culverts, a storm sewer/inverted siphon, detention ponds, and roadway improvements; (c) cost estimates T:\MARKET\Bios\GJK.BIO drainage.wpd ANdERSON CONsulTiNG EN<jiNEERS, INC.