Mechanical · M-D5HHV

Spring Vibration Isolator and Seismic Strap Detail

Materials

Steel Metal (misc.)

Elements

Connections / Plates

Connections

Bolted Connection

About this detail

A mechanical equipment spring vibration isolator designated RMU-EQ-2 carries a pre-approved H.C.A.I. OPM-0747-25 rating. The assembly incorporates a central spring unit with a three-eighths-inch diameter leveling bolt, a three-eighths-inch diameter tap, and a one-half-inch diameter stabilizer bolt secured by a twelve-gauge washer with a tapped hole. Neoprene pads and a neoprene spring cup sit beneath the isolator base, anchored with one-half-inch diameter A307 machine bolts featuring steel washers, grommets, and a quarter-inch gap all around. A seismic strap fabricated from a fourteen-gauge galvanized plate is secured with three number-twelve ITW TEKS screws to the equipment leg or base and six number-twelve ITW TEKS screws to the top rail.

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