The purpose of this report is to advise General Government Committee of the results of the negotiated Request for Proposal (nRFP) Doc3987477359, and request authority to award a construction contract for the Humber Treatment Plant Services Rehabilitation and Upgrades project and enter into an agreement with Bennett Mechanical Installations (2001) Ltd., in the amount of $79,784,014 net of all applicable taxes and charges ($81,188,213 net of Harmonized Sales Tax recoveries). This report also requests authority to amend Purchase Order Number 6048934 awarded under Request for Proposal Number 9117-18-7205 issued to GHD Limited for provision of Professional Services for Humber Treatment Plant Rehabilitation and Upgrades project in the amount of $5,957,928 net of all applicable taxes and charges ($6,062,787 net of Harmonized Sales Tax recoveries). This revises the current purchase order value from $7,532,660 net of all applicable taxes and charges $7,665,235 net of Harmonized Sales Tax recoveries) to $13,490,588 net of all applicable taxes and charges ($13,728,022 net of Harmonized Sales Tax recoveries). The purchase order amendment is required for additional design and contract administrative services related to drawings specific to plumbing and mechanical systems, as well improving on-site documentation at the Humber Treatment Plant. It includes associated costs with the construction phase support, evaluation and negotiated Request for Proposal negotiations.