Seismic Anchor Self Tapping Screw type anchors are preferred in floor locations so anchors can be installed after isolators or equipment is in place. Anchors shall be manufactured from hardened steel and zinc electroplated for corrosion resistance. Screw type anchors shall have an evaluation report number from the ICC-ES verifying its allowable loads. Screw type…
Seismic Anchor Stud Stud wedge anchors shall be manufactured from full diameter wire, not from undersized wire that is rolled to create the thread. The stud anchor shall also have a safety shoulder which fully supports the wedge ring under load. The stud anchor shall be zinc-coated steel for interior applications and stainless steel for…
Seismic Rod Anchor Adhesive type anchors shall include a two-component epoxy-based adhesive with zinc plated threaded anchor rods for interior application and stainless steel anchor rods for exterior application. The adhesive anchor shall have been tested and qualified for performance in cracked and un-cracked concrete per ICC-ES AC308. Anchors shall have an evaluation report from ICCES…
Housekeeping Pad Anchors The HPA anchor is manufactured in three sizes and has three anchoring capacities. The inverted hexagonal pyramid is self-locking in the housekeeping pad and has provision for passing 2 #3 rebars through the holes on top for positioning the pad reinforcement system. The number of anchors that are needed depend on the…
SLR – SPRING MOUNTS Restrained spring mountings shall have an SLF mounting as described in SLF Specification, within a rigid housing that includes vertical limit stops to prevent spring extension when weight is removed. The housing shall serve as blocking during erection. Installed and operating heights are equal. Restraining Bolts shall have a neoprene bushing…
SLRS – SPRING MOUNTS Restrained spring mountings shall have an SLF mounting as described in SLF Specification, within a rigid housing that includes vertical limit stops to prevent spring extension when weight is removed. The housing shall serve as blocking during erection. Installed and operating heights are equal. Restraining Bolts shall have a neoprene bushing…
SLRSO – SPRING MOUNTS Restrained spring mountings shall have an SLF mounting as described in SLF Specification, within a rigid housing that includes vertical limit stops to prevent spring extension when weight is removed. The housing shall serve as blocking during erection. Installed and operating heights are equal. Restraining Bolts shall have a neoprene bushing…
Nomura Air Spring Isolation Project Name: Nomura Location: New York, NY Specified Isolation Method: Air Springs Natural Frequency: 2.25 Hz
New York Times Project Name: New York Times Location: New York, NY Specified Isolation Method: Restrained Springs Natural Frequency: 2 Hz
1269 Lexington Ave Bearing Isolation Project Name: 1269 Lexington Ave Location: New York, NY Specified Isolation Method: Bridge Bearing Natural Rubber Natural Frequency: 7.5 Hz