Corus Quay's Waterfront Radio Waves


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This is a good time to mention facility wiring. All cabling for the radio side is handled by the building's CAT-6 infrastructure. The CAT-6 cables are bundled in groups of 24 and wrapped in a braided sleeve. These cables, which run in trays, terminate to RJ-45 patch panels in the racks.

The entire facility is powered through a dual UPS system. This was designed from the IT side, which works well for equipment with dual/redundant power supplies. But most broadcast equipment has a single power supply. Because of this, APC power transfer switches were installed in every rack to feed the power rails. Some racks have three power rails to maintain the unique A or B UPS and the switched UPS feed.

The second rack room is the Technical Services Room (TSR). This 8,000 square foot room is the central data hub for all of Corus. There are more than 250 racks in this room, which was designed with a 24" pressurized floor. HP, IBM, Cisco and several others were involved in designing this room. One row of racks houses all the radio server-based equipment, including loggers, automation, digital signage and the Burli newsroom server.

The third rack room is the Demarc Communications Room, which houses all third-party equipment. A Wheatstone Bridge frame resides here to tie outside lines to the audio network.

Studio construction

The Building at a Glance
Corus Quay is an approximately 500,000 square foot office building located on 2.5 acres of Toronto's waterfront between Jarvis and Sherbourne St.

Corus Quay was developed by Toronto Port Lands Company, formerly known as the City of Toronto Economic Development Corporation (TEDCO) and will be owned and managed by Build Toronto Inc.. It is the anchor project in the revitalization of East Bayfront bringing life, energy and business opportunities to Toronto's waterfront neighbourhood.

Construction began in 2007, and the building took three years to complete. The building includes a 100-person theatre on the eighth floor rooftop.

More than 150 meeting rooms located throughout the facility with more than 250 areas for gathering, conversing and meeting in addition to individual workstations. A storage facility for 70 bicycles is designed to encourage employees to use non-carbon generating forms of transportation.

The building is flanked by Canada's Sugar Beach on the west side and Sherbourne Common (a 1.5 hectare park) and a yet to be built George Brown campus on the east side.

All the radio studios were designed jointly with the radio committee and architects. The base building area for radio has a recessed concrete slab. This allowed a floating concrete floor to be placed without the need to build ramps up to it. Non-studio areas where a concrete floor was not needed have a traditional computer floor. Most of the electrical service is run under the raised floor in the hallway. The studio walls were constructed with typical double-wall construction.

A prime objective in building the radio studios was to have clean desktops with low sight lines. His was mainly to reduce the visual clutter, which is important for the public view and for the video usage in the studios. The studios also have odd shapes, which were dictated by the building's exterior.

In each studio, three equipment racks are placed behind the operator. The center rack serves a visual use as well as a practical one, although not for the usual rack use. Two racks house equipment to get it off the counters. The center rack has a clock and display, but its prime function is to provide side access to the other two racks, which are mounted against the wall.

The floor-to-ceiling glass on the exterior studio wall was an acoustical challenge. The glass is sloped to help reduce the prominent reflections. Also, the windows between the studios are oversized to aid in public view to other studios.

The entire building is LEED certified. As part of this, all the track lighting uses LED fixtures. These are also controlled by a central lighting system, which uses motion sensors to turn lights on and off to save energy. While LED lighting is slowly gaining popularity, John Coldwell noted that finding LED lighting that provided both sufficient light levels and an appropriate color temperature was a challenge.

-- Continued on page 5


Photos by Richard Johnson (unless noted)




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