Parkade Air Monitoring Project Description :Calgary Housing Company (CHC) is seeking interested and qualified proponents to provide quotes for Parkade Air Monitoring Services, to supply all qualified labour, equipment and materials to complete the testing, calibration, repair, replacement, installation and commissioning of gas sensors and detectors, primarily Carbon Monoxide (CO) and Nitrogen Dioxide (NO2), at but not limited to CHC managed locations. Qualified labour is to be a Journeyman Instrumentation Technician and Control