Recreation centre goes underground to save energy, create green space
Built in the 1960s, the former Westmount arena and pool were outdated and in need of major renovations. To respond to the present needs of Westmount residents, it was decided that the existing facilities would be demolished to make way for a new complex on the previously developed site, which had the advantage of being close to public transportation and a number of other services, notably a school, church, daycare and supermarket.
By Erik Marosi and Shawn Moscovitch
The new 8,270 m² Westmount Recreation Centre [WRC] houses two NHL-sized ice-rinks with seating for 200, several multi-functional spaces, administrative offices, a youth centre, a café and an outdoor pool with locker rooms. The project is targeting LEED® Gold certification.
Because arenas require little or no natural light, it was decided to set the new WRC below grade, beneath a vast landscaped green roof. The visual impact of the two large ice-rinks and accompanying sports program was thus reduced, opening up views, saving energy and providing 0.6 hectare of additional green space adjacent to the existing Westmount Park. The new green roof design follows the picturesque “English garden” style of the existing park as a seamless extension thereof.
Apart from the main entrance and exit pavilions on the surface of the green roof, this landscape-integrated approach of concealment became a defining feature of the project.
OWNER City of Westmount
CLIENT/GENERAL CONTRACTOR Pomerleau
ARCHITECT Martin, Marcotte – Beinhaker architects and Marosi + Troy architects in consortium
STRUCTURAL/CIVIL ENGINEER/LEED CONSULTANT CIMA+
MECHANICAL/ELECTRICAL ENGINEER Beaudoin Hurens
LANDSCAPE ARCHITECT Groupe IBI/DAA
PHOTOS Nicolas McComber
– Steel and concrete construction with curtain wall, Norman-size red-clay brick cladding and zinc roof.
– Insulation partly supplied by Roxul and Owens Corning .
– Vegetated roof by Hydrotech .
– HVAC consists of heat recovery ventilators, heat pumps, chillers, air-conditioning units and radiant floor heating.
– Waste heat recovered from the ice rink refrigeration system heats the adjacent spaces and incoming fresh air, preheats the domestic hot water, and the outdoor pool throughout the summer.
– LED fixtures used for the rinks.
– Energy intensity [building and process energy] = 1,124MJ/m2/year
– Reduction in energy intensity relative to reference building under MNECB = 52%
– Potable water consumption from municipal sources = 6,980L/occupant/year
– Reduction in potable water consumption relative to reference building = 40%
– Demolition materials diverted from landfill = 95%
– Regional materials [800km radius] by value = 30.7%
– Reclaimed and recycled materials by value = 26.5%
Shawn Moscovitch, OAQ, OAA, PA LEED® O+M is an architect with Martin, Marcotte-Beinhaker Architectes, S.E.N.C. and Shawn Moscovitch is OAQ IRAC AAPPQ, Principal.