The purpose of this report is to advise of the results of the Request for Tender Doc4377242742 which includes two construction contracts, Contract Number 23ECS-MI-02FS and Contract Number 23ECS-MI-03FS, for the construction of new storm collectors and other improvements in the Basement Flooding Protection Program Study Area 3, also referred to as the Fairbank Silverthorn Project. The report recommends entering into agreements with (1) Drainstar Contracting Ltd., in the amount of $65,939,065 net of all applicable taxes and charges ($67,099,593 net of Harmonized Sales Tax recoveries), for the construction of Contract Number 23ECS-MI-02FS - Local Storm Collectors West, and (2) GIP Paving Inc., in the amount of $89,101,279 net of all applicable taxes and charges ($90,669,462 net of Harmonized Sales Tax recoveries), for the construction of Contract Number 23ECS-MI03FS - Local Storm Collectors East. Pursuant to the Request for Tender document the contract award value includes contingency. This report also requests authority to amend Purchase Order Number 6052519 issued to CH2M Hill Canada Ltd., referred to as CH2M Hill, under Request for Proposal number 9117-18-7185 to provide Engineering Services during Construction for the Fairbank Silverthorn Project in the amount of $10,500,000 net of all applicable taxes and charges ($10,684,800 net of Harmonized Sales Tax recoveries). This amendment will increase the current purchase order value from $14,971,781 net of all applicable taxes and charges ($15,235,285 net of Harmonized Sales Tax recoveries) to $25,471,781 net of all applicable taxes and charges ($25,920,085 net of Harmonized Sales Tax recoveries). This purchase order amendment is necessary for additional project management, contract administration, site inspection and engineering services during the construction of three major contracts for the Fairbank Silverthorn Project.