Dry Gulch Outfall Systems Plan Update

The Urban Drainage and Flood Control District’s Master Planning Program, in partnership with the Cities of Lakewood and Denver, have initiated this update to the Dry Gulch Outfall Systems Plan (OSP) completed in 1995. This study will evaluate the current drainage capacity along Dry Gulch and provide an assessment and recommendations for storm drainage infrastructure improvements, including channel restoration, conveyance, detention, and water quality enhancements. ICON Engineering, Inc. was selected to complete this project.

The Dry Gulch watershed is approximately 2 square miles in size and is highly developed with a mixture of land uses. Overtime, the once natural drainageway has been replaced, in areas, with conduit and underground systems to accommodate local development and to provide storm water conveyance. Many of the current systems lack the capacity to convey significant storm events, resulting in the potential for flooding along Dry Gulch. A focus of this study will be to evaluate solutions that will best accommodate flood conveyance and reduce potential flood damages, while also providing more natural solutions and amenities along the drainage corridor.

Within the City of Denver, much of the drainageway follows Lakewood/Dry Gulch Park and the newly constructed RTD West Corridor. Similarly, the RTD West Corridor alignment extends into the City of Lakewood, where zoning changes and re-development focuses around new transit oriented development.

The Dry Gulch watershed extends from approximately Simms Street in Lakewood to east of Sheridan Boulevard in Denver. The basin also generally extends from 10th Avenue on the south to north of 20th Avenue. North Dry Gulch is being studied by the UDFCD under a separate contract.

Deliverables for this OSP include development of a Baseline Hydrology Report; Alternates Evaluation Report (Phase A); and Conceptual Design Report (Phase B).  The following reports are upcoming, in-progress, or available for download:

Task Date Status
Notice to Proceed December 3, 2012 Issued
Draft Baseline Hydrology Report February 2013 PDF(11.4MB)
Final Baseline Hydrology Report May 2013 PDF(13.6MB)
Draft Alternatives Evaluation Report July 2013 PDF(50.4MB)
Final Alternatives Evaluation Report December 2015 PDF(68.8MB)
Draft Conceptual Design Report August 2016 Upcoming
Final Conceptual Design Report September 2016 Upcoming
Meeting Date Purpose Minutes
Kickoff Meeting 11/30/12 Kickoff Meeting PDF
Hydrologic Update Meeting 01/24/13 Hydrology Update PDF
Hydrologic Update Meeting 02/26/13 Hydrology Update PDF
Alternatives Analysis Meeting 04/24/13 Kickoff Meeting PDF
Alternatives Analysis Meeting 06/11/13 Progress Meeting PDF

Project Engineers

ICON Engineering, Inc.

ICON Engineering, Inc.
8100 South Akron Street, Suite #300
Centennial, CO  80112
www.iconeng.com

(303) 221-0802

Craig D. Jacobson, P.E. CFM
Project Manager
cjacobson@iconeng.com

Terry Martin, P.E. CFM
Project Engineer
tmartin@iconeng.com

UDFCD

Shea Thomas, P.E.
Senior Project Engineer – Master Planning Program
sthomas@udfcd.org

(303) 455-6277

City of Lakewood

Terry Rogers, P.E.
Department of Planning and Public Works
terrog@lakewood.org

(303) 987-7934

City of Denver

Mike Anderson, P.E.
City & County of Denver – Department of Public Works
Mike.anderson@denvergov.org

(720) 865-3023

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