The anchor was tested by the International Code Council with results presented in ESR 1546 and is referenced by Hilti in their technical documents. The anchors are suitable for dynamic loads from wind and seismic. The governing document by this organization " Acceptance Criteria For Mechanical...
I would prefer through bolt. The consultant is opposing this solution because it would penetrate roofing that has already been installed. A review of the Hilti literature shows these anchors used with cranes. It is however seats supported on wall plates. This loading would be combined shear/...
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...
