Kinetics esr features high frequency noise isolation pads code compliant seismic and wind restraint and access ports for each isolator to inspect level or change springs after equipment placement.
Seismic roof curb.
The goal is to match or exceed the seismic roof curb design value referred to as the ss value.
These curbs come fully assembled with return and supply duct supports unit wind restraints and fiberglass as required and gasket material included for airtight rtu installation.
Heavy duty complete vibration isolation roof curb and rail for over 20 ton packaged rooftop units.
Additional roof curb anchoring and methods of securing equipment to the curb are also a requirement and must be adhered to for the certification to be valid.
The additional requirements are detailed on each stamped submittal drawing.
The curbs should be anchored to structural steel concrete as fallows.
Ss is the mapped maximum credible earthquake five percent dampened spectral response acceleration parameter at short periods as defined in asce 7 10 section 11 4 1.
The width of the supporting structural.
As wide as the base plate of the curb.
Bolts should be with nuts and washers.
Vibration isolation roof curb and rail.
Additionally seismic requirements are not fulfilled by just ordering a seismically stamped roof curb.
Steel shall be at least.
The conclusive value will be between 0 and 3 73 highest value in california.