Contents – May 2011
Volume 52, No. 3
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
Tapping into Sewage.
Vancouver’s False Creek Energy Centre is capturing the warmth of this odiferous resource.
Ausenco Sandwell & FVB Energy 20
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
Citizens groups say wind turbines are a health problem. Wind proponents disagree.
By John G. Smith 29
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
Up Front 6
ACEC Review 9
Advertiser Index 41
The Human Edge 42