FEATURES
Community Power: the Advent of District Energy Systems. Denser urban plans create ideal opportunities for centralized heating and cooling networks.By Ken Church, P.Eng., Natural Resources Canada 18
Pipe Dreams, Markham Realities. District energy success in a city north of Toronto.By John G. Smith 22
Ammonia vs CO2. A comparison of two natural refrigeration systems for ice arenas.By Mathieu Courchesne, ing., Dessau 24
Smoke Management in Large Venues. Dealing with the complex issues requires NFPA 101. By Jonathan Rubes, P.Eng., Rubes Code Consultants 30
Proposal Writing: Choose Your Battles. Is the laborious effort of writing proposals always worth it? Advice to help you decide. By Tara Landes, Bellrock 34
After a Tornado. A devastated Sifto salt evaporator plant in Goderich, Ontario is quickly rebuilt. By Alan Greer, CET, Ausenco 36
A Heady Pace: Toronto’s 2015 Pan/Parapan American Games. A snapshot of three venues under construction. By Bronwen Parsons 38
ON TOPIC
ENGINEERS & THE LAW
Mining Sector Opportunities. Smaller firms don’t need to be left out.
By Chad Eggerman, Miller Thomson LLP 41
SPEAKING OUT
Shock Wave. The head of AICQ reflects on evidence at the Charbonneau Inquiry. By Johanne
Desrochers 46
DEPARTMENTS
Comment 4
Up Front 6
ACEC Review 13
Advertiser Index 45
