Seismic Roof Curb Requirements

Meets seismic code requirements.

Seismic roof curb requirements.

Non insulated roof curbs. 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. Icc es ac 156. Curbs solidly braced or bolted directly to the building structure without vibration isolation.

The additional requirements are detailed on each stamped submittal drawing. Roof curbs insulated roof curbs. Furnish and install prefabricated seismic roof curbs as required to meet seismic requirements. 1 3 density fiberglass as required fully welded mitered corners.

Base shall be constructed complete with all welded corners and wood nailers. The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. The goal is to match or exceed the seismic roof curb design value referred to as the ss value. Curb adapters retro mate.

The curb should provide a minimum clearance of 10 inches between the top of the fi nished roof surface and the top of the wood nailer continuous around the curb. Catwalk service platforms. All welds coated after fabrication. 16 gauge galvanized steel.

For installation on flat membrane built up roofs requiring seismic rating. Additionally seismic requirements are not fulfilled by just ordering a seismically stamped roof curb. Flange screwed to 15 32 osb roof deck 8 2 7 24 x 24 curb with exhaust fan fan screwed to curb 2 5 8 36 x 36 curb with exhaust fan fan screwed to curb 3 3 9 5 9 x 3 8 curb with 2 8 high hvac unit hvac unit screwed to curb 4 5 10 5 9 x 3 8 curb with 2 8 high relief air hood hood screwed to curb 35 6. As the sizes increase beyond 12 000 lb and 40 ft of length attachment to a sheet metal roof curb becomes impractical.

For these applications esr s andmegacurb s are required. Seismic curbs are manufactured by thycurb fabricating division of thybar corporation or approved equal. Equipment mounting supports. 07 72 00 thy buyline 3055.

The york curb uses only un treated wood. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures.