The Public GalleryToronto

General Government Committee · 2026-07-20 · 2026.GG31.18

environment

City awards $43.7 million contract for East Don sewer storage tank project

The city is awarding a construction contract to ASCO Construction for an offline storage tank on the East Don Sanitary Trunk Sewer at Sheppard Avenue East, part of flood management infrastructure in the Don Valley. The contract is worth $43.7 million; the city is also amending three consulting contracts with Associated Engineering totalling approximately $2.8 million in additional work due to project scope changes and schedule extensions.

adoptedGeneral Government Committee · Mon, Jul 20

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Contract value of $43.7 million represents a significant capital commitment to flood management infrastructure in the Don Valley.

The journey

Mon, Jul 20 · General Government Committee · adopted

Decision

Awarded contract to ASCO Construction (Toronto) Ltd. for $43,694,149 net of taxes. Amended three Associated Engineering purchase orders: PO 6045927 increased by $544,151 to $3,042,477; PO 6052716 increased by $1,937,953 to $4,989,411; PO 6055600 increased by $237,877 to $288,747.

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Why is this story here?
ContainedThis is a capital project contract award within a planned budget envelope for flood management infrastructure. The construction of the offline storage tank is a bounded, multi-year capital project at a specific location. While substantial in dollar terms, it is a procurement decision within expected city infrastructure planning, not a departure from agreed budgets or a reallocation of control. Future councils could redirect or modify this infrastructure approach, though it would carry reversal costs. The scope changes (approximately $2.8 million in additional engineering fees) are within the project and not a structural institutional change.Invisible to residentsThis project affects residents only through its eventual benefit (reduced basement flooding in the Don Valley area during heavy rain), which is not a present-week effect. The contract award itself is an administrative procurement action. Residents do not experience the tendering or award process. The eventual infrastructure benefit is indirect and deferred to completion, which is years ahead.

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Official title: Award of Doc5471369482 to ASCO Construction (Toronto) Ltd., for Construction of Offline Storage Tank (DWST2) East Don Sanitary Trunk Sewer and Amendment to Purchase Orders 6045927, 6052716 and 6055600 with Associated Engineering (Ont.) Inc., for Detailed Design, Services During and Post-Construction · meeting video