GOC582144-1 Contractor - GOC582144-1 - Mechanical upgrades HVAC and DDC

This project involves several trades. The current HVAC system was found to be undersized for the required cooling load. Tweedie & Associates Consulting Engineers has proposed to install a new heat pump cooling and heating system. The required HVAC work will include dismantling and disposing of the existing split air handling unit (indoor and outdoor unit) along with upgrading most of the ductwork. The new system will consist of a variable air volume system with new VAV terminal units. After removing the outdoor condensing unit, indoor air handling unit, refrigerant piping, existing ductwork (as shown on the mechanical drawings), along with the existing humidifier and piping, the contractor shall install a new heat pump split HVAC system (outdoor unit and indoor unit) , new ductwork and variable air volume terminal units, new humidifier and all affiliated piping and internal units to the air handling unit. A new Direct Digital Control System shall be installed, including building controls and a new operator workstation. All work shall be as shown on mechanical and electrical drawings along with specifications. In order to complete this work, new electrical upgrades shall be required as shown on electrical drawings and specifications. The fire alarm system shall be reutilized and tied into the new DDC building automation system. Insulation, hangers and supports and all required work shall be as specified. Work shall be scheduled as specified and contractors shall be responsible of having all building clearance requirements.

Security Requirements: PWGSC (Reliability) and RCMP (Reliability)