AMENDMENT TO CLOSING TIME: Please disregard the Ariba Discovery posting response deadline. Please note that late submissions will not be considered or accepted. Natural Resources Canada (NRCAN) and the Geological Survey of Canada (GSC) in Calgary, Alberta, have a requirement for the supply, delivery of two (2) new air compressors, each complete with a Supply Condensate Oil Water Separator, and installation of one (1). These air compressors will form part of a lead-lag system to mitigate the risk of air supply interruptions for HVAC and laboratory operations. Please note that while a second air compressor is to be purchased and delivered, it will not require installation. Onsite training for the air compressor will be required following the installation. An optional site visit will be held at Geological Survey of Canada on Monday January 27th, 2025, beginning at 10 a.m., in 3033-33rd Street NW Calgary, AB T2L 2A7. To attend the site visit Offerors must communicate with the Contracting Authority no later than January 23, 2025 (12:00 PM MST) to confirm attendance and provide the name(s) of their representatives.