Concept Engineering Group

Air-Vacuum Excavation

Air Daylighting Ltd. "The Advantages of Air-Vacuum Excavation" http://www.airforced.ca
Gas Industries July 1993 p.27 "How Belmont Uses Vacuum Excavation" by Tim Peters
Cohoon, J.E. 1969 "Vacuum Digging" AG.A. Operating Section Distribution Conference pg. D-176,7
Rig Source March 2006 "Why Vacuum Excavation?" http://www.rigsourceinc.com
"Keyhole Technology" Gas Technology Institute. Des Plaines, Il.
Trenchers Technology June 2001 pg. V-19,20 "Tools of the Trade: Air Excavation Expands Vacuum Toolbox" by Keith Gribbins

Humanitarian Demining / Unexploded Ordnance

AIR-SPADE^® Humanitarian Demining Developmental Technologies 1998. Department of Defense Humanitarian Demining Research and Development Program. Pgs. 44-45.
Final Report. Controlled Site Advanced Technology Demonstration Program, Phase IV. Remediation Demonstration at Jefferson Proving Ground. 1998. Naval Explosive Ordnance Disposal Technology Division.
UXO Remediation with the AIR-SPADE^® Supersonic Air Jet System and the SAFEX^® Excavator. UXO Forum '97. U.S. Department of Defense. Explosives Safety Board.
Unexploded Ordnance Advanced Technology Demonstration Program at Jefferson Proving Ground (Phase II). June 1996. U.S. Army Environmental Center. Report No. SFIM-AEC-ET-CR-96170.
CEG Safe Excavation Technology Applied to UXO Site Remediation. UXO Forum 1996. U.S. Department of Defense. Explosives Safety Board.
"Air-Spade^® Training Afghanistan" by Phil Straw. 2004 Ref PS006 for US Army NVESD.
"Trial of the CEG Air-Spade^® Kandahar, Afghanistan." by Andy Smith. 1998 for US Army RDECOM CERDEC NVESD.

Utility / Industrial / Commercial

"Technological Advancements Offer Safer, Faster Excavation." Underground Focus Magazine. January/February, 1995.
"Safe Excavation." by R.D. Nathenson, P.E. Construction Safety News. Construction Safety Councils. Hillside. IL. Vol. 5. No. 5. 1994.
"Safe Excavation." by R.D. Nathenson, P.E. Excel Center for Excellence in Construction Safety. Vol. 7. No.4 1994.
"Improved Trenching." EPRI Journal. Vol. 19 No. 4 1994. Electric Power Research Institute.
"Soft Trencher" Paul Dybro. Equipment Today Technology Update 1994.
"Revolutionary Vacuum Trenching Unit." Underground Focus Magazine. Vol. 8 No. 5 1994.
“Vacuum Excavation Panel Presentation”. Damage Prevention Convention. December, 2000. Boston, MA
“New Uses for Vacuum Excavation Equipment.” Damage Prevention Convention. Long Beach, CA. December 1999.
"Don't Blow It," Cleave, L. 2006. Rental Product News.