May 2011
Volume 52, No. 3
FEATURES
Green Buildings
Earth Rangers Revisited.
Massive ventilation tubes at a visitors centre in Woodbridge, Ontario have been combined with a geo-exchange system – achieving remarkable results.
By Bronwen Parsons 14
District Energy
Tapping into Sewage.
Vancouver’s False Creek Energy Centre is capturing the warmth of this odiferous resource.
Ausenco Sandwell & FVB Energy 20
Geo-Exchange
Techno-Solution or Fad?
Whether geo-exchange systems make environmental and economic sense depends on
many different factors.
By Geoff McDonell, P.Eng., Cobalt Engineering 22
Making Sense of Geo-Exchange
. An engineer uses scenarios to demonstrate situations where GSHP systems make sense.
By Laurier Nichols, ing., Dessau 26
Wind Power
Wind Worries.
Citizens groups say wind turbines are a health problem. Wind proponents disagree.
By John G. Smith 29
Project Delivery
School Design in the P3 Era.
In order to save costs and time Alberta has been building schools using a standardized approach.
By Nordahl Flakstad 31
DEPARTMENTS
Comment 4
Up Front 6
ACEC Review 9
Business 36
Products 40
Advertiser Index 41
The Human Edge 42
