Location: Halifax, Nova Scotia

Client: Halifax Regional Municipality (HRM)

Architect: EXP

Certifications: LEED NC Silver Candidate

Size: 48,211 sq. ft.

Project Budget: N/A

The new MacKintosh Depot replaces an ageing depot with an updated building meeting current codes and reducing energy use.  It includes 14 truck bays, 3 stories of offices and stores rooms.  

M&R Engineering was responsible for mechanical design including HVAC, Plumbing and Fire Protection as well as electrical design including Lighting, Power, Communications and Security and energy modelling. 

Key Facts:

• High Efficiency Building Envelope including R-30 continuous insulation walls (sandwich panel) and R-43 roof.

• Condensing 96% efficiency natural gas boilers.

• In-floor heating is installed throughout the facility to provide a comfortable environment and reduce energy use.

• Two heat recovery ventilators (HRV) provides ventilation to the Stores and Truck Bays.

• A mixed air variable air volume air handling unit cools and ventilates the office areas.

• A 350kW emergency generator backs up the facility.

• Occupancy sensors are installed to control lighting.

• An 80kW roof mounted Solar PV array provides 11% of energy use.

• Three Level 2 Electric Vehicle charging stations are installed to encourage staff to drive EVs.

• The energy model indicated 43% savings against ASHRAE 90.1-2010.