Air Force Welding Permit. The electron beam welding process has several advantages for welding dissimilar metals. This work includes but is not limited to welding brazing cutting grinding soldering thawing pipe torch-applied roofing or chemical welding.
The work will be confined to the area or equipment specified on this permit. Where the work permits the welder should be enclosed within an individual booth painted with a finish of low reflectivity such as zinc oxide an important factor for absorbing. Engineering Technical Letter ETL 04-4 Change 1.
Trenchless Technology TT for Crossing Air Force Pavements 1.
Contractor has ample portable fire extinguishers available and trained personnel to use them. Certain shops that perform welding operations on a routine basis may at the discretion of the fire protection flight be trained and certified to issue their own AF Form 592. DEPARTMENT OF THE AIR FORCE HEADQUARTERS AIR FORCE CIVIL ENGINEER SUPPORT AGENCY MAR 31 2004 APPROVED FOR PUBLIC RELEASE. Applicable Air Force-wide.