Centennial College A-Block Expansion

Scarborough, ON
16 Centennial A Building Expansion 16.07.23 Edit E1753493328944 1
Enclosure education Climate Resilience first nations indigenous
  • Completion Date 2023
  • Services Provided Energy Efficiency Design Consulting, Enclosure and Energy Efficiency Design Reviews, Zero Carbon Building Facilitation, Building Enclosure Commissioning, Monitoring Based Commissioning Plan Development, Mass Timber Moisture Management Plan
  • Market Sector Higher Education
  • Client EllisDon
  • Architect DIALOG in collaboration with Smoke Architecture
  • Photography Riley Snelling Photography
Centennial College needed to expand its Progress Campus in Scarborough, ON, to accommodate institutional growth and enhance student and staff services. The existing A-Block building, originally constructed in 1994, required a new six-level addition and partial renovation to meet increased demand.

The project aimed to achieve CaGBC Zero Carbon Building Standard Design Certification, LEED v4 BD+C Gold Certification, and WELL Certification. Indigenous principles informed building design and operations, including HVAC strategies to support smudging and Roundhouse activity, and a high-performance enclosure to support energy efficiency.

RDH was retained by EllisDon Corporation in 2018 to provide enclosure, energy, and sustainability services. RDH supported early-stage design development by evaluating HVAC and enclosure system options to reduce greenhouse gas emissions and to size renewable energy systems for Zero Carbon compliance. Services included design reviews, shop drawing reviews, construction field reviews, field performance testing, and a monitoring-based commissioning (MBCx) plan for LEED Enhanced Commissioning. The team also addressed thermal bridging and developed a moisture protection plan for the 6-storey mass timber structure.

RDH’s whole-building energy modelling guided design decisions to meet Zero Carbon and LEED Gold targets, with focus on total energy use intensity (EUI), thermal energy demand intensity (TEDI), and integration of renewable energy. The enclosure design supports deep daylight penetration and improved insulation. A 10-month post-occupancy condition assessment has verified long-term performance.

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