To: Honorable Mayor and Members of Town Council
Through: David L. Corliss, Town Manager
From: Mark Marlowe, P.E., Director of Castle Rock Water
Mark Henderson, P.E., Assistant Director of Castle Rock Water
Frank Main, Project Manager, Stormwater
Title
Resolution Approving a Professional Services Agreement Between the Town of Castle Rock and Muller Engineering Company, for the 2026 Stormwater Master Plan Update [within the Town Limits]
Body
________________________________________________________________________________
Executive Summary
Castle Rock Water (CRW) seeks Town Council approval of a Resolution (Attachment A) to award a Services Agreement with Muller Engineering Company (Muller) for the 2026 Stormwater Master Plan Update in the amount of $442,610 plus a 10% Town-managed contingency in the amount of $44,261 for a total authorization of $486,871. The project is located throughout the Town Limits of Castle Rock.
The scope of work generally includes the following:
• Update the Town’s 2017 Stormwater Master Plan.
• Assess all streams.
• Updates to remaining capital improvement priorities from each Outfall plan and provide updated cost estimates.
• Reevaluate and develop a new Prioritization strategy for remaining improvements.
• Provide plan view exhibits showing remaining improvement reaches and recommendations on conceptual design(s).
• Develop Detention Pond Retrofit Plan to improve water quality and reduce operational burden.
• Evaluate the effectiveness of existing detention ponds, recommend improvements and document an implementation plan.
• Make recommendations regarding upcoming regulatory and criteria updates related to Municipal Separate Storm Sewer System (MS4), floodplain and stormwater management.
• Evaluate the cost-benefit of adopting privately-owned stormwater facilities.
Budget Impact
Funds for this Services Agreement will be charged to the Stormwater capital account identified below.
Funds for this Services Agreement are to be drawn from the Watershed Master Plan Account #212-4475-444.78-74. A second quarter budget amendment will be required in the amount of $307,415 to fund this project.
|
Fund Description |
Account Number |
Amount |
Contingency |
Total |
Budget* |
|
Watershed Master Plan |
212-4475-444.78-74 |
$442,610 |
$44,261 |
$486,871 |
$179,456 |
*Budget will be covered with the Q2 Budget Amendment.
Staff Recommendation
Staff recommends Town Council approval of a Resolution awarding a Services Agreement with Muller Engineering Company for the 2026 Stormwater Master Plan Update in the amount of $442,610 plus a 10% Town-managed contingency in the amount of $44,261 for a total authorization of $486,871.
Proposed Motion
“I move to approve the Resolution as introduced by title.”
Alternative Motions
“I move to approve the resolution as introduced by title, with the following conditions: (list conditions).
“I move to continue this item to the Town Council meeting on _____ date to allow additional time to (list information needed).”
Attachments
Staff Report
Attachment A: Resolution
Exhibit 1: Services Agreement