A runway was installed for a 5 ton underhung crane. It is suspended from a concrete ceiling with embedded headed anchors. Due to a screw- up a pair of support locations failed to be installed. I work for the crane installer. The customer's engineer has suggested Hilti undercut anchors. I have...
The anchor has a flat rectangular profile with serrated edges at its free end. It was being welded to the inside of a boiler shell of carbon steel with a Nelson stud gun. The anchor itself was 310 stainless steel. It was intended to hold blanket insulation in place. The procedure was qualified...
