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File #: Resolution 92-2025    Name:
Type: Resolution Status: Consent Agenda
File created: 9/18/2025 In control: City Council
On agenda: 10/21/2025 Final action:
Title: Resolution 92-2025: Approving the fourth amendment to the Intergovernmental Agreement with Mile High Flood District, regarding design and construction of drainage and flood control improvements for Lee Gulch at Broadway
Attachments: 1. 1. Resolution No. 92-2025, 2. 2. IGA_MHFD_4th Amendment_Lee Gulch at Broadway
Date Ver.Action ByActionResultAction DetailsMeeting DetailsVideo
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Agenda Date: 10/21/2025

Subject:
Title
Resolution 92-2025: Approving the fourth amendment to the Intergovernmental Agreement with Mile High Flood District, regarding design and construction of drainage and flood control improvements for Lee Gulch at Broadway
Body

From:
James L. Becklenberg, City Manager
Prepared by:
Brent Soderlin, Director of Public Works & Utilities

Brent Thompson, City Engineer

Sarah White, Water Resources Manager
Presentations:
N/A

PURPOSE:
Approval of a fourth amendment the Intergovernmental Agreement between the City of Littleton and the Mile High Flood District regarding the design and construction of drainage and flood control improvements for Lee Gulch at Broadway.

LONG-TERM OUTCOME(S) SERVED:
Safe Community; Financial Sustainability; High-Quality Governance; Sustainable Community with Natural Beauty

DISCUSSION:
The City of Littleton, in partnership with Mile High Flood District (formerly Urban Drainage and Flood Control District) and Arapahoe County, studied the Lee Gulch and Little's Creek drainageways in a master drainage study call "Major Drainageway Planning Lee Gulch Little Creek" in 1978. At the time of the study the basin was only 42% developed. The 1978 master study recommended additional culvert capacity and channel improvements at the Broadway crossing. The South Suburban Parks Master Plan further envisioned a linear park along the Gulch from the South Platte to County Line Road.

The 66" culvert carrying Lee Gulch under Broadway is a mixed material of reinforced concrete pipe (RCP) and corrugated metal pipe (CMP). The culvert was repaired in 2016 when a portion of the pipe collapsed. A geospray lining technique was used to provided structural reinforcement in addition to repairing the collapsed section. Unfortunately, the geospray has not held and the culvert is experiencing failures that require immediate repair.

Mile High Flood District (MHFD) provides a Capital Improvement Program in partnership with the loc...

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