Vibration Isolation Roof Curb Detail

All corners and seams are mitered and fully welded with internal 12ga a i.

Vibration isolation roof curb detail.

Roof curb isolation systems are designed with springs that have static deflections to meet the design criteria. The seal shall extend down past the wood nailer of the lower support assembly and flash over the roof material at the wood nailer on the lower support curb. Seismic control spec scs. Galvanized steel construction with a wood nailing strip for attaching field supplied and applied flashing is standard.

Vibration isolation curb systems are manufactured of 12 18ga astm a653 653m prime g90 galvanized steel construction. The vic eq is a seismic vibration isolation curb that incorporates oshpd pre approved vibrex type rmu eq sh vibration isolators for rooftop package units. Kinetics in curb acoustical treatments control breakout noise from equipment fans and compressors into the space below. Seismic engineering svcs.

Vcr curbs can be constructed with a sloped bottom to match the roof pitch. Vibration isolated curbs see figure 12 vibration isolated curbs is available on a special quoted basis. Flat or sloped curb heights vary in increments of 4 00 from 14 00 to 34 00. The vibration isolation curb shall be air and weather tight using an elastomeric seal which is attached to the upper support frame with a galvanized steel clip.

Vcr curbs vibration isolation curbs series come with integral and adjustable spring vibration isolators. It ships fully assembled in one piece ready for installation on the jobsite. Top of all vibration isolation curb shall be level with pitch built into curb when deck slopes. Vcr curbs can be constructed with a sloped bottom to match the roof pitch.

Structural cross and vertical supports when necessary. Application drawings svcsa. The vibration isolation curb shall be air and weather tight using an elastomeric seal which is attached to the upper support frame with a galvanized steel clip. Seismic curbs see figure 12 seismic curbs are available on a special quoted basis.

9 continuous rubber cover around perimeter of vibration isolation curb over spring isolators. Galvanized steel construction with a wood nailing strip for attaching field supplied and applied flashing is standard. Vibration isolation curb shall be designed to provide a minimum of 90 isolation efficiency with 1 deflection. It features removable port covers for convenient spring inspection and adjustment.

The seal shall extend down past the wood nailer of the lower support assembly and flash over the roof material at the wood nailer on the lower support curb. Curb includes vibration isolation between equip ment and roof.