Improved air-vac technology makes for safer, cleaner digging projects

Emerald Hills Regional Park got a little greener recently. 
 
Last month, Cutting Edge Landscaping planted 230 new trees at this prime recreation spot in Sherwood Park. 
 
And they couldn’t have done the job as quickly and safely as they did without a newly improved technology for excavation involving pressurized air instead of water.
 
“Typically we’d use a hydro-vac truck to expose the underground power lines, but because of concerns about a freshly p