25-1756 - 15th Street Sanitary Trunk Options Analysis

Agency: Government of Alberta
State: Alberta
Type of Government: State & Local
NAICS Category:
  • 541330 - Engineering Services
Posted Date: Feb 2, 2026
Due Date: Mar 3, 2026
Solicitation No: AB-2026-00911
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Description

Limited Opportunity • Request for Proposal
Open
City of Calgary
The City of Calgary is seeking proposals from qualified engineering consulting firms to provide multi- disciplinary engineering & for the 15th Street Sanitary Trunk Project, a critical component of the sanitary system conveying flows to the Bonnybrook Wastewater Treatment Plant. The sanitary trunk crosses the Bow River, runs along 15th Street SE, and passes beneath the active Canadian Pacific Kansas City (CPKC) Alyth Yard, where two large-diameter trunk lines (2400 mm and 1800 mm) present significant operational and access challenges. Limited redundancy, lack of isolation and diversion structures, and restricted physical access make inspections, maintenance, and emergency response difficult.

The project aims to improve system resilience by identifying feasible solutions for safe access, isolation, and flow diversion, including potential re-routing options outside the rail corridor. The selected consultant will assess hydraulic and operational feasibility, develop flow off-loading options, and recommend secure methods for accessing and maintaining the mains beneath the yard. The work will also evaluate opportunities to enhance long-term capacity, reliability, and environmental performance while minimizing service disruptions.

The project is anticipated to include the following phases:
• Phase 1: Options Analysis and Conceptual Design
• Phase 2: Preliminary Design, Detailed Design, and Procurement Documents Preparation (Optional Future Phase)
• Phase 3: Procurement Process Support and Contact Administration (Optional Future Phase)
• Phase 4: Post-Construction Services and Project Closeout (Optional Future Phase)
Unless otherwise stated in the Agreement Letter, the award under this RFP will be for all Phases of the Requirements, subject to approval by The City after each Phase.
APC Reference # AB-2026-00911
Category Services
Posting Date • Time Feb 2, 2026 • 3:18 pm (MT)
Closing Date • Time Mar 3, 2026 • 4:00:59 pm (MT)
Region(s) of Delivery Alberta
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