FLOOD03554

• County: Gilpin
• Community: Black Hawk
• Basin: South Platte
• Title: Hydrologic Analysis for the 1980 Black Hawk Floodplain
• Date: 2/2/2001
• Prepared For: Gilpin County
• Prepared By: Love & Associates, Inc.
• Floodplain - Doc Type: Flood Documentation Report

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David J. Love, FE.
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DRAINAGE ANl) FLOOD CONTROL MASTER PLANS AND FINAL DESIGNS

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South Platte River - Globeville and North Areas, City and County of Denver and Urban Drainage & Flood Control
District. Preliminary, final design and construction observation for channel stabilization, riverine improvements,
wetland & wildlife enhancements for 2 miles of the South Platte River through north Denver. Project included the
design of railroad bridge, boat chutes, major irrigation system (FRlCO - Burlington Dam) relocation including
remov.ll of dam ,KroSS South Platte River, 2.000 1.f. of irrigation approach channel, lowering river bottom up to six feet
below Franklin Street, undergrounding of 36-inch water main, design of the final segment of trail along river in
Denver to tie inll) Adams County trail system~ design of underpass under Franklin Street, landscape and site furnishing
design, ;Jnd fish CJlJd in-stream habitat improvements. Also included was the preparation of a Conditional Letter of Map
Revision (CLO\11<) to FEMA for removal of approximately 325 acres from the South Platte River floodplain.

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Lower Boulder Creek Stream Restoration - Lafayette, CO, the restoration of Lower Boulder Creek upstream of
Rd 287 using gcnmorphic design principles. The stream was diverted from a previously straightened Corps of
Engineers channcl and reestablished in the historical meanders and stabilized using in stream rock structures.

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Infraslrlleture Design (Drainage, Grading, Utilities and Roadway) for North Boulder Community Park - City
ofBou!dc[ Parks ;lIld Recreation Department - Principal Engineer. Designed all core infrastructure for a new 60-
acre regiollal park located in North Boulder. Responsibilities included the design of three new residential streets;
water, sanitary and storm sewer utilities; grading plan for park site; design oflarge detention pond; preliminary and
final drainage plans; design of a relocated irrigation ditch and a ditch lateral; coordination with a proposed low-
income housing development located adjacent and east of the park site.

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Bridge Replacement of 1" Avenue Structure over Big Thompson River- Hydrologic and Hydraulic Analyses,
Design and Report - Loris and Associates (prime) for City of Loveland, CO - Principal Engineer. Perform
hydrologic and hydraulic analyses for the replacement of the 1 st Avenue bridge over the Big Thompson River,
prepare Iloodplain development report and prepare preliminary and final design of storm drainage improvements for
the bridge replacement project.

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Wilson Avenlle at Big Barnes Diteh -Hydrologic and Hydraulic Analyses, Design and Report - Loris and
Associ:ltcs (prime) for City of Loveland, CO - Principal Engineer. Perform hydrologic and hydrauhc analyses for
the rcpl~lCCl11ent of the Wilson A venue bridge structure over the Big Barnes Ditch, prepare preliminary and final
design or storm drainage improvements for the bridge replacement project and provide utility design for replacement
of existillg utilities Jffected by the structure replacement.

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Dutch Creek, Preliminary, final design and construction observation for an aesthetic flood channel through a golf
course, Town or Columbine Valley, Colorado and the Urban Drainage & Flood Control District (UD&FCD).
Princip~ll-in-Ch~lrg(:.

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Fourmile Can~'on Creek Channel Improvements Project, Boulder, CO and Urban Drainage & Flood Control
District - Princip:J.l-in-Charge. Designed channel maintenance improvements in the City of Boulder for the Urban
Drain8::;c & flood Control District for 1,350 If of grass lined channel, boulder low flow channel edging, rock walls,
designed nine (9) grouted boulder drop structures, re-design of the Silver Lake Ditch crossing of the creek, concrete
trail system and l:lI1dscape. Also included was floodplain hydraulics for a City permit and wetland permit processes.
This pr,-~icct was funded because over the years the channel has degraded and eroded and is in danger of failure due to
bank in-stabilizati(lll.

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North ('Iear Creek Floodplain Study, City of Black Hawk, CO - Principal-in-Charge. Floodplain analysis for high
mountain stream, l\orth Clear Creek. including analysis of impacts ofCDOT land widening into floodplain. Prepared
100-year floodplain and tloodway analyses for future submittal to FEMA as a Letter of Map Revision.

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Love & Associates, Inc.