Alberta Purchasing #AB-2026-01116

City of Calgary - Notice of Award - 25-0245 RAW1 Pump Station Intake Valve Replacement

The City of Calgary awarded Graham Infrastructure LP a contract valued at $925,050 for the replacement and installation of valves at the RAW1 pump station. The project involves critical infrastructure work, including isolating and shutting down the RAW1 pump station to facilitate invasive condition assessment and valve replacement, with safety measures such as divers, blind flange installation, draining, and confined-space entry. The work aims to meet occupational health and safety double isolation requirements, reducing future reliance on divers. The contract supports the city's high-risk shutdown scheduled between March and May 2026 to ensure water supply reliability.

Description

General contractor to undertake RAW1 pump station isolation and shutdown to facilitate invasive condition assessment of the piping and also undertake valve replacement/new valve installation. The project involves critical infrastructure work with safety considerations including divers, blind flange installation, draining, and confined-space entry. The awarded contractor is responsible for replacing existing isolation valves and installing additional valves to meet occupational health & safety double isolation requirements, reducing future reliance on divers for isolation.

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