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 January 31st, 2023 by 2:00 PM EST. All bids submitted after 2:00 PM EST will result in the bid being declared non-responsive. PWGSC is inviting engineering consulting firms with engineers who are licensed, or eligible to be licensed, certified or otherwise authorized to provide engineering services with experience and expertise in bridges to submit offers for a Standing Offer for engineering assignments on the LaSalle Causeway, Kingston, and the Burlington Canal Lift Bridge, Hamilton in Ontario Region. The Request for Standing Offer (RFSO) may result in the authorization of two (2) Standing Offers for each assets. Offerors are asked to submit a single offer in response to the RFSO. Offerors must indicate the offerors interest in one, or both assets. The resultant Standing Offers will be for a period of three (3) years. Canada anticipates the total value of these Standing Offers to be approximately $6,000,000.00 (HSTI) for each asset.