Curb includes vibration isolation between equip ment and roof.
Vibration isolation roof curb detail.
Vibration isolation curb shall be designed to provide a minimum of 90 isolation efficiency with 1 deflection.
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.
It ships fully assembled in one piece ready for installation on the jobsite.
Vcr curbs can be constructed with a sloped bottom to match the roof pitch.
Roof curb isolation systems are designed with springs that have static deflections to meet the design criteria.
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.
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.
Top of all vibration isolation curb shall be level with pitch built into curb when deck slopes.
9 continuous rubber cover around perimeter of vibration isolation curb over spring isolators.
Seismic engineering svcs.
Application drawings svcsa.
It features removable port covers for convenient spring inspection and adjustment.
Isolated curbs vibro acoustics vibration isolation curbs vcr series come with integral and adjustable spring vibration isolators.
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.
Isolation curbs incorporate the roof curb and rooftop rail into their design.
All curb systems are water tight and plenum applications are air tight utilizing internal flex duct.
All corners and seams are mitered and fully welded with internal 12ga a i.
Vibration isolation curb systems are manufactured of 12 18ga astm a653 653m prime g90 galvanized steel construction.
Galvanized steel construction with a wood nailing strip for attaching field supplied and applied flashing is standard.
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.
Structural cross and vertical supports when necessary.
Seismic control spec scs.
Galvanized steel construction with a wood nailing strip for attaching field supplied and applied flashing is standard.
Vcr curbs can be constructed with a sloped bottom to match the roof pitch.
Kinetics in curb acoustical treatments control breakout noise from equipment fans and compressors into the space below.
Flat or sloped curb heights vary in increments of 4 00 from 14 00 to 34 00.
