AMENDMENT TO CLOSING TIME: Please disregard the Ariba Discovery posting response deadline closing time and CanadaBuys posting closing time. All required supporting documentation and bid submission must be submitted by October 10, 2023 at 14:00 EDT. All bids submitted after 14:00 EDTwill result in the bid being declared non-responsive. This requirement is for Public Works & Government Services Canada (PWGSC) located at the CFB Leitrim Property at 3545 Leitrim Road in Ottawa, Ontario, to provide HVAC maintenanceservices, including all necessary tools, services, materials, travel and labour on equipment in accordance with the Statement of Work. There are security requirements associated with this requirement. There is a mandatory site visit associated with this requirement. The visit will be held on September 21, 2023 at 10:00am EST. Bidders must communicate with the Contracting Authority no laterthan September 15th, 2023 at 14:00 EST to confirm attendance and provide the name(s) and dateof birth (DOB) of the person(s) who will attend.