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This Solicitation opportunity from Government of Canada was posted on September 17, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Clowes Weir Reconstruction - Rideau Canal National Historic Site of Canada

Closed
5P468-26-0042/AInternational

Contract Overview

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

Active Opportunities Like This One

NAICS: 238140
New
International
Maplelawn Garden Wall Rehabilitation
Solicitation # NCC-DC-039015-RFP
The National Capital Commission is seeking qualified proponents for the rehabilitation and reconstruction of 285 meters of historic native limestone masonry garden walls at the Maplelawn Garden Estate, located at 529 Richmond Road in Ottawa. The project objectives focus on restoring the structural and aesthetic integrity of the walls, eliminating public health and safety risks, and ensuring long-term durability while preserving the site's historic characteristics. The scope of work includes dismantling existing masonry, salvaging and reinstating stone units, installing new concrete footings, and constructing reinforced concrete retaining walls at the East and South sections. Performance is scheduled to begin with mobilization upon award, followed by demolition and excavation in Spring 2027, foundations in Summer 2027, and masonry reconstruction through Summer and Fall 2027. The contract will be awarded to the top-ranked proponent based on a multi-stage evaluation consisting of mandatory requirements, rated technical criteria, and pricing. Technical evaluation accounts for 60 points, with minimum thresholds required for project experience and approach and methodology, while pricing accounts for the remaining 40 points. Proponents must certify compliance with ethical procurement standards, including the prohibition of child and forced labor, and disclose any use of artificial intelligence in their proposals. Key contractual requirements include maintaining professional liability and errors and omissions insurance of at least 2 million dollars for specific engineering and soil management tasks. Payments are set at NET 30 days, and the contractor must adhere to strict material storage and site maintenance protocols to protect the historical environment.
National Capital Commission

POSTED

about 19 hours ago

DEADLINE

in 13 days

AI Contract Overview

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Parks Canada Agency is soliciting bids for the reconstruction and masonry rehabilitation of the Clowes Weir at the Rideau Canal National Historic Site of Canada in Merrickville, Ontario. The project involves comprehensive repairs to masonry walls and upstream wing walls, concrete apron repairs, and the replacement of steel log gains and other structural elements. Key deliverables include the installation of cofferdams and turbidity curtains for water management, 100% raking and repointing of mortar joints, stone replacement, and the installation of a new wood deck with railings and log lifters. The work must be completed by May 30, 2028, and is estimated to exceed 5,000,001 dollars, with some evaluation data suggesting a range between 3.4 and 4 million dollars. The procurement follows a two-submission process, with bids accepted only via email to [email hidden] or fax to [phone hidden]. Award selection is based on a weighted score consisting of technical rating (35%), Canadian value-added (25%), pricing (35%), and an Indigenous Participation Plan (5%). Bidders must provide an Indigenous Participation Plan detailing benefits for local Indigenous people and businesses to be eligible for points. Mandatory requirements include a site-specific Health and Safety Plan, an Environmental Management Plan approved by Parks Canada, and the provision of performance and payment bonds. All work must comply with the National Park Act and specific environmental mitigation measures to protect fish habitats and water quality.

General Info

Parks Canada seeks bids for Clowes Weir reconstruction in Ontario by May 30, 2028.

Place of Performance

Ontario (except NCR), CAN

Set-Aside

NONE

Documents

17

20044865 DESSINS Tender FR 2026-05-20 - site plans and notes

PDF, High priority: read this firstsow
High

20048865 CLOWES WEIR MASONRY REHABILITATION - General Site Overview

PDF, High priority: read this firstsow
High

20048865 Devis – Déversoir de Clowes, remise en état de la maçonnerie

PDF, High priority: read this firstrfp
High

5P468-26-0042/A - Clowes Weir Reconstruction Amendment 001

PDF, High priority: read this firstamendment
High

5P468-26-0042/A Clowes Weir Reconstruction - Invitation to Tender

PDF, High priority: read this firstitb
High

5P468-26-0042/A - Reconstruction du barrage de Clowes

PDF, High priority: read this firstitb
High

5P468-26-0042/A - Reconstruction du barrage de Clowes - Amendment 001

PDF, High priority: read this firstamendment
High

Appendix A - Reference Documents (English) 2026-05-20

PDF, High priority: read this firstsow
High

Mesures d’atténuation – Clowes (June 15, 2026)

PDF, High priority: read this firstsow
High

Mitigation Measures for Project Work (June 15, 2026)

PDF, High priority: read this firstsow
High

Project No. 20048865 – Clowes Weir Masonry Rehabilitation Specifications

PDF, High priority: read this firstspecifications
High

APPENDICE 2 - DISPOSITION RELATIVES À L’INTÉGRITÉ

PDF, Low priorityother
Low

APPENDIX “2” - INTEGRITY PROVISIONS

PDF, Low priorityother
Low

Clowes Weir Rehabilitation Basic Impact Assessment (2026-06-12)

PDF, Low priorityenvironmental-impact-assessment
Low

PG6144 Geotechnical Borehole Report - Clowes Spillway

PDF, Low priorityother
Low

Appendix B - Templates (ENGLISH) 2026-05-20.zip

ZIP

Appendix B - Templates (FRENCH) 2026-05-20.zip

ZIP

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Timeline

PhaseClosed
Posted

Solicitation

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyGovernment of Canada → Parks Canada Agency
Contacts1 person available
OfficeN/A
Office AddressN/A
Contacts
Sheldon LalondeContracting Authority

Full Description

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BIDS RECEIVED BY FAX AND EMAIL WILL BE ACCEPTED AS OFFICIAL. PARKS CANADA IS NOT CURRENTLY ACCEPTING BIDS VIA SAP ARIBA, YOU MUST SUBMIT YOUR BID VIA FAX OR EMAIL AS INDICATED IN THE SOLICITATION DOCUMENT. BIDS RECEIVED IN-PERSON OR BY COURIER WILL NOT BE ACCEPTED. The only acceptable email address for responses to bid solicitations is contact@example.gov. Bids submitted by email directly to the Contracting Authority or to any email address other than contact@example.gov will not be accepted. The only acceptable facsimile for responses to bid solicitations is +1 (555) 000-0000. The maximum email file size that Parks Canada is capable of receiving is 15 megabytes. The Bidder is responsible for any failure attributable to the transmission or receipt of the emailed bid due to file size. The Bidder should be cognisant of the size of the email as a whole, and not only the attachments. Please take into consideration that some attachments, when sent, may be resized during the email transfer. If the email size is too large, the Bidder should send the bid in multiple emails properly labeled with the solicitation number, project name, and indicate how many emails are included (ex. 1 of 2). Emails with links to bid documents will not be accepted. Bid documents must be sent as email attachments. REQUIREMENT This project entails comprehensive repair of the masonry walls including the upstream wing walls. Secondary project elements include repairs to the concrete apron, and replacement of the steel log gains as well as other structural elements. To assist with bonding and insurance requirements, this project is estimated at a value over & above $5,000,001, Taxes extra. TWO-SUBMISSION BID This Bid shall be submitted following a “two-submission” procedure. Refer to SI03 of the Special Instructions to Bidders. CONTRACTOR SELECTION AND INDIGENOUS PARTICIPATION PLAN The Contractor should ensure provision of specific and agreed upon benefits for Indigenous People and Indigenous Businesses in the Area of the Contract. This Invitation to Tender contains bid criteria in order to provide socioeconomic benefits to Indigenous communities within the area covered by the contract. PERIOD OF CONTRACT / DELIVERY DATE Contractor must perform and complete the Work no later than May 30, 2028. OPTIONAL SITE VISIT It is recommended that the Bidder or a representative of the Bidder visit the work site. Arrangements have been made for the site visit to be held at Clowes Weir - 495 Heritage Drive, RR4, Merrickville K0G 1N0 on September 18, 2026. The site visit will begin at 10:00 am EDT. Bidders must communicate with the Contracting Authority no later than 48 hours prior, to confirm attendance and provide the name(s) of the person(s) who will attend. Bidders must also complete and submit a certification. Bidders who do not confirm attendance, provide the name(s) of the person(s) who will attend, or who do not complete and submit the above certification as required will not be allowed access to the site. Bidders will be requested to sign an attendance sheet. No alternative appointment will be given to bidders who do not attend or do not send a representative. Bidders who do not participate in the visit will not be precluded from submitting a bid. Any clarifications or changes to the bid solicitation resulting from the site visit will be included as an amendment to the bid solicitation. ENQUIRIES All enquiries of a technical and contractual nature are to be submitted to the Contracting Authority. Enquiries regarding this solicitation must be submitted in writing and should be received no later than two (2) calendar days prior to the date set for solicitation closing to allow sufficient time to provide a response. Enquiries received after that time may result in an answer NOT being provided. INFORMATION National Parks Regulations require that all work is to be performed in accordance with the ordinances, laws, rules and regulations set out in the National Park Act. Bidders that consider themselves qualified to provide this Work and intend to submit bids on this project should obtain documents from the Government Electronic Tendering Service through the Government of Canada tendering service at http://canadabuys.canada.ca/en/tender-opportunities. Addenda, when issued, will be available from the Government of Canada tendering service. Bidders that elect to base their bids on documents obtained from other sources do so at their own risk. Late submissions will not be considered. The Crown retains the right to negotiate with suppliers on any procurement. Documents may be submitted in either official language of Canada. Parks Canada has made every effort to provide equivalent documents in both official languages, however, if you find any discrepancies between the English and French documents, please notify the contract officer listed in this opportunity as soon as possible so that we can rectify the situation.

More opportunities from Government of Canada → Parks Canada Agency

Same awarding agency

NAICS: 238120
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Cabot Tower Signal Mast Replacement, Signal Hill National Historic Site
Solicitation # 5P468-26-0234/A
Parks Canada Agency is soliciting bids for the removal and in-kind replacement of the 6m wooden signal mast and associated rooftop equipment repairs at the Cabot Tower, located within the Signal Hill National Historic Site in St. John's, Newfoundland and Labrador. The project requires the contractor to remove the existing mast, measure it, and install an identical replacement to ensure existing equipment can be reattached. All work must comply with the National Parks Act, the 2025 National Building Code of Canada, and provincial occupational health and safety laws. The project is scheduled to be completed no later than March 31, 2027, with work specifically timed for the off-season when the tower is closed to the public. The contract will be awarded based on a weighted evaluation consisting of 90 percent price and 10 percent for an Indigenous Participation Plan, which must include firm guarantees for Indigenous labor and business involvement. Bids must be submitted via email to [email hidden] or by fax to [phone hidden], with a final closing deadline of November 3, 2026. Submissions must be divided into two separate volumes for qualifications and pricing. Key operational requirements include maintaining a Health and Safety Plan on-site, providing security personnel after hours, and adhering to strict staging limitations due to the restricted space at the historic site.
Structural Steel and Precast Concrete Contractors

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Stage 1 - Waskesiu Sanitary Upgrades, Prince Albert National Park
Solicitation # 5P468-26-0271/A
Parks Canada Agency is seeking a contractor for the rehabilitation of the sanitary sewer system within the Waskesiu Townsite and Beaver Glen Campground in Prince Albert National Park, Saskatchewan. The scope of work includes the preparation of existing pipes for liner systems, the installation of Cured In Place Pipe liners, service connection reinstatement, and CCTV inspections of sanitary sewer lines. The project is estimated to be valued between $500,001 and $1,000,000, excluding taxes, with a required completion date no later than March 31, 2028. This is a two-stage selection process, and the current solicitation represents Stage One, which focuses on the qualification of interested suppliers. To qualify, bidders must demonstrate experience by providing two reference projects completed within the last 10 years involving sanitary or storm sewer rehabilitation, each valued at a minimum of $100,000. At least one of these projects must have been completed as the Prime Contractor. Qualified bidders will be invited to Stage Two, where they will provide further qualifications and a financial bid via a two-envelope Invitation to Tender that includes an Indigenous Participation Plan. Bids for Stage One must be submitted by November 12, 2026, exclusively via email to [email hidden] or fax to [phone hidden]. Submissions must include the completed Stage One Qualification Requirements, the signed front page of the Request for Qualifications, and signed Terms and Conditions. Email submissions are limited to 15 megabytes per file, and links to documents are prohibited. Eligibility is restricted to Canadian contractors and contractors of applicable trading partners under the Policy on Reciprocal Procurement.
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