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Bell ExpressVu - 105 Scarsdale Road


105 Scarsdale Road is a high definition broadcast facility, adjacent to the 115 Scarsdale Rd building, and was initially designed as a Tier 1 facility. Over a 10 year period, the facility continued to operate and grow with minimal changes to its mechanical and electrical architecture and with minimal downtime. In 2009, Smith + Andersen reviewed the replacement of the uninterruptible power supply (UPS) system. In 2010, the site conditions, capacity, redundancy, future growth, future requirements were reviewed and a technical feasibility study was provided. This study resulted in multiple strategic upgrades and renovations that were designed and constructed. As services to the public could not be impacted, all major renovations and upgrades occurred with the critical loads operating. The design was performed in a manner that accommodated a high level of uptime, availability and flexibility in addition to schedule and budget challenges.

S + A Services Included:


The mechanical systems utilized direct expansion (DX) cooling technology and are designed in an N+1 configuration. An existing operation centre within the building was converted into a new data centre which utilized 2N UPS distribution from the existing new UPS plant and N+1 mechanical DX cooling. The DX cooling was also designed to allow for free cooling during the cooler months. This project was executed concurrently with all other renovations and without interrupting any of the existing critical loads or services.


Although the electrical system was designed to Tier I standards, efforts were made in the design to ensure that concurrent maintainability could be performed on most major equipment. An example of this was providing each DX unit and the UPS with two sources of power from two different switchboards via double throw switches or automatic transfer switches. The major renovations commenced in 2013 and included the upgrade of the UPS system to facilitate 3N redundancy and a 33% increase in capacity. The emergency generation system was upgraded from a single 1500kW generator to a 2N configuration consisting of two 3000kW generators. Power densities exceed 80 watts per square feet for the server rooms and transmitter rooms.


Toronto, Ontario

Gross Floor Area

  • 46,265 sq ft

Total Construction Cost

$ 15,000,000

Completion Year