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- City, County, and State Agencies
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- Hydrology, Hydraulics, Erosion Control, & Water Quality
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- Policy, Criteria, & Technical Reference Material
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WEI has prepared several storm water management manuals for cities and counties, and has been requested by others to assist as a subconsultant in the preparation of other storm water management manuals. Furthermore, WEI, by invitation, has served on two committees formed by the Colorado Water Conservation Board for the purpose of preparing statewide manuals. Incidentally, all the projects listed below were performed by Gerald Williams, owner of WEI, and thus the experience and expertise remains and will remain with the firm. Manuals cover policy, criteria, and technical reference material, some which is refined and enhanced from other sources, and much of which is original material. Hydrology, hydraulics, erosion and sedimentation control, best management practices, and water quality are topics covered.
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Stormwater Management Manual (SWMM) for the City of Grand Junction and Mesa County, CO
Prepared original (not modified or rework) city/county drainage manual (Phases I & II). Manual was later also adopted by the Grand Junction Drainage District, City of Fruita, and Town of Palisade. Manual fills 2.5" D-ring notebook, and consists of four parts: policy, having five sections; criteria, having five sections; technical reference material, having 16 sections; and a miscellaneous division having two sections.
Interim Grading and Drainage Criteria Manual, Grand Junction, CO
This was prepared for the City of Grand Junction.
Submittal Standards for Improvement and Development, Grand Junction, CO
This was prepared for the City of Grand Junction Public Works and Community Development Departments. It outlined, among other things, requirements and standards for all drainage, stormwater, and grading plans and reports.
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Guidelines for Determining Flood Peak for Approximate 100-Yr Floodplains, CO
The Colorado Water Conservation Board (CWCB) was the sponsor and primary contributor, but has selected a Hydrology Advisory Committee to assist in manual preparation, of which Mr. Williams of WEI was one of five selected statewide from the private sector.
Colorado Flood Hydrology Manual, CO
Preparation of this manual was sponsored by the Colorado Water Conservation Board (CWCB), with the Army Corps of Engineers being the primary contributor. Mr. Williams of WEI was one of five statewide selected by CWCB from the private sector to serve on a Hydrology Advisory Committee to assist in the preparation of the manual.
Masterplan Stormwater Guidance Documents, Mesa County, CO
Prepared, as part of various masterplan studies, guidance documents for Mesa County, Grand Junction Drainage District, and the City of Grand Junction and City of Fruita.
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