CMAR Big Dry Creek 54-Inch Interceptor Sewer Rehabilitation Project

The City of Westminster is seeking contractor information from qualified CMAR teams and specialty partners for a future project involving UV-cured CIPP rehabilitation of approximately 3,700 linear feet of 54-inch interceptor sewer, new access manholes, diversion structure improvements, and a fully redundant temporary bypass system.

City of Westminster > Public Works & Utilities


General
Open
RFI-PWU-26-323
Sep 15, 2026 11:00 PM
Aug 18, 2026 04:28 PM
Request for Information (RFI)
Local
Ask AI about this solicitation
Contact
bfilling@westminsterco.gov
+13036582716
Submission Instructions
Online
RFI Questionnaire Response Form
Description

The City of Westminster is requesting information from qualified Construction Manager at Risk teams and specialty partners regarding a future project to rehabilitate approximately 3,700 linear feet of 54-inch interceptor sewer serving the Big Dry Creek Wastewater Treatment Facility. The 30% design identifies UV-cured CIPP as the basis of design, with approximately 20 bends, widespread hydrogen sulfide-induced corrosion, and no observed structural failures. The anticipated scope includes rehabilitation of seven existing manholes, construction of six new permanent access manholes, a new upstream diversion structure, and an approximately 8,400-linear-foot temporary bypass system with 100% redundancy. The selected CMAR is expected to support final design, constructability and access planning, CIPP installation strategy, treatment plant protection, bypass routing and monitoring, specialty subcontractor engagement, progressive estimating, scheduling, bid packaging, procurement, GMP development, and construction implementation. This RFI does not request pricing; responses are due September 15, 2026, and the anticipated CMAR RFP advertisement is September 24, 2026.

Classification Codes
NAICS237110Water and Sewer Line and Related Structures Construction
PSCZ2NDREPAIR OR ALTERATION OF SEWAGE AND WASTE FACILITIES
Smart Codes
uv-cured cipp sewer rehabilitationtemporary sewer bypass systemsmanhole construction
Specifications
Service
Timeline
Aug 18, 2026 03:28 PM-Publication Date
Sep 03, 2026 02:00 PM-Industry Day (optional)
Sep 15, 2026 11:00 PM-RFI Responses Due
Sep 24, 2026-Anticipated CMAR RFP Advertisement
Oct 8, 2026-Tentative Mandatory Pre-Proposal Conference (required)
Location not specified in the provided materials.
Oct 16, 2026-Tentative Deadline for Receipt of Questions
Oct 20, 2026-Tentative Responses to Questions Due
Oct 29, 2026-Tentative Deadline for Receipt of Proposals
Oct 30, 2026-Tentative Evaluation of Proposals
Nov 16, 2026-Tentative Interviews with Shortlisted Contractors
Nov 20, 2026-Tentative Notification of Final Selection
Jan 11, 2027-Tentative City Council Approval
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