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Geotechnical and Hydrogeological Investigation

Active

International

Response Deadline11/23/2026, 07:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

General Info

Agency

Region of Durham

NAICS

541370 - Surveying and Mapping (except Geophysical) Services

Place of Performance

CAN

Set-Aside

NONE

Documents

This scope was carved out of RFP-1104-2026.

The full solicitation package (4 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Engineering consulting services for the preliminary and detailed design for the rehabilitation of the Hortop Reservoir and replacement of the Hortop Pumping Station in the City of Oshawa

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Timeline

PostedOct 14

subcontract

Response DeadlineNov 23

Submission deadline

Response Deadline

11/23/2026, 07:00:00 PM UTCin about 1 month

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Organization & Contact Information

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AgencyRegion of Durham

ContactsNo contacts available

OfficeN/A

Organization / AgencyRegion of Durham

Office AddressN/A

ContactsNo contact information available

Full Description

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Performs subsurface investigations for prime contractors on Region of Durham water infrastructure projects. Conducts soil boring, groundwater monitoring, and hydrogeological modeling to determine soil bearing capacity and permeability. Requires Professional Geotechnical Engineer (P.Eng) licensed in Ontario. Delivers the Geotechnical and Hydrogeological Investigation Report.

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Engineering consulting services for the preliminary and detailed design for the rehabilitation of the Hortop Reservoir and replacement of the Hortop Pumping Station in the City of Oshawa

Solicitation # RFP-1104-2026

The Region of Durham is soliciting engineering consulting services under RFP-1104-2026 for the preliminary and detailed design of the Hortop Reservoir rehabilitation and the replacement of the Hortop Pumping Station in the City of Oshawa. The project aims to extend the service life of reservoir cells, replace aged buried piping to increase system resilience, and construct a new pumping station for the Zone 2 water pressure district to improve site layout and functionality. The selected consultant will be responsible for the full project lifecycle, including preliminary design with 3-D modeling and life cycle cost analysis, detailed design, tender document preparation, construction administration, commissioning, and warranty support. The project is estimated to reach commissioning in Fall 2030. This is a restricted solicitation open only to prequalified bidders, specifically AECOM Canada Ltd, J.L Richards & Associates Limited, R.V. Anderson Associates Limited, and Stantec Consulting Ltd. Award is based on a three-stage evaluation process involving mandatory submission requirements, technical rated criteria, and pricing, with the highest ranking proponent selected. The contract requires strict adherence to the Region's PLC and SCADA standards, as well as specific health and safety certifications including OHSA compliance and CVOR ratings. Payment terms are set at 60 days following the approval of invoices by the Region's Project Manager. All submissions must be completed electronically via the durham.bidsandtenders.ca portal by November 23, 2026.

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