Environmental Services - Contaminated Sites Consulting Services

Solicitation number WS5414853765

Publication date 2025/11/27

Closing date and time 2026/02/02 14:00 EST

Last amendment date 2026/04/01

Description

AMENDMENT TO CLOSING TIME: Please disregard the Ariba Discovery posting response deadline closing time and Buyandsell posting closing time. All required supporting documentation and bid submission must be submitted on February 2, 2026 by 02:00PM EST. All bids submitted after 02:00PM EST will result in the bid being declared non-responsive.

Contract duration

Refer to the description above for full details.

Trade agreements

Canadian Free Trade Agreement (CFTA)
Canada-Chile Free Trade Agreement (CCFTA)
Canada-Colombia Free Trade Agreement
Canada-European Union Comprehensive Economic and Trade Agreement (CETA)
World Trade Organization Agreement on Government Procurement (WTO GPA)
Canada-Honduras Free Trade Agreement
Canada-Korea Free Trade Agreement (CKFTA)
Canada-Panama Free Trade Agreement
Canada-Peru Free Trade Agreement (CPFTA)
Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP)
Canada-Ukraine Free Trade Agreement (CUFTA)
Canada-UK Trade Continuity Agreement (Canada-UK TCA)

Reason for limited tendering

A contracting officer can use limited tendering for specific reasons outlined in the applicable trade agreements. The reason for this contract is described below:

None

Contact information

Contracting organization

Organization: Department of Public Works and Government Services (PSPC)
Address: 11 Laurier St, Phase III, Place du Portage

Gatineau, Quebec, K1A 0S5

Canada

Contracting authority: Brewster, Shannon (SPAC/PSPC)
Email: shannon.brewster@tpsgc-pwgsc.gc.ca

Buying organization(s)

Organization: Department of Transport (TC)
Address: 330 Sparks Street

Ottawa, Ontario, K1A0N8

Canada

Bidding details

Related notices

Contracts awarded (3) This tender notice has 3 related award notices. Click to expand Click to collapse

This is a list of other contracts that were awarded related to solicitation number WS5414853765. Click the link under “More details” to view the contract details.

List of related contracts awarded and their amendments. The columns are sortable in ascending and descending order.
Company name	Contract number	Amendment date	Award date	More details
AtkinsRéalis Canada Inc.	CW2447741	Not available	2026/04/07	Viewthe details of contract CW2447741 for AtkinsRéalis Canada Inc.
DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE	CW2447731	Not available	2026/04/07	Viewthe details of contract CW2447731 for DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE
WSP Canada Inc.	CW2447725	Not available	2026/04/07	Viewthe details of contract CW2447725 for WSP Canada Inc.

Contract history (3) This tender notice has 3 related contracts. Click to expand Click to collapse

This is a list of other contracts that were awarded and their amendments. Click the link under “More details” to view the contract details.

List of other contracts awarded and their amendments. The columns are sortable in ascending and descending order.
Company name	Contract number	Award date	More details
AtkinsRéalis Canada Inc.	CW2447741	2026/04/07	Viewthe details of contract CW2447741 for AtkinsRéalis Canada Inc.
DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE	CW2447731	2026/04/07	Viewthe details of contract CW2447731 for DILLON CONSULTING LIMITED/LES CONSULTANTS DILLON LIMITÉE
WSP Canada Inc.	CW2447725	2026/04/07	Viewthe details of contract CW2447725 for WSP Canada Inc.

Summary information

Notice type: Request for Standing Offer
Language(s): English, French
Region(s) of delivery: National Capital Region (NCR)
,
Ontario (except NCR)
Procurement method: Competitive – Open Bidding
Selection criteria: Highest Combined Rating of Technical Merit and Price
Commodity - UNSPSC Click the links below to see a list of notices associated with the UNSPSC.: 77000000 Environmental Services See a list of notices associated with this UNSPSC

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