Belt Drive, Severe Duty Specifications

Model GB

High Wind Specifications

Fans shall meet all Greenheck wind load standards and shall contain the following third-party certifications:

•Miami-Dade NOA# 09-0624..09

•Licensed P..E.. calculations shall be available for fan per ASCE 7-02 Minimum Design Loads for Buildings and Other Structures for exposure Class C, 60 foot building height, and a type II building..

•Fan shall be tested in accordance with ASTM

E-330-02 Structural Performance of Exterior

Windows, Doors, Skylights and Curtain Walls by

Uniform Static Air Pressure Difference and Florida Building Code Test Protocol TAS-201, 202 and 203 at the ASCE 7-02 calculated design pressure..

•Licensed P..E.. calculations for attachment of fan to curb shall be available for ASCE 7-02 determined design pressure..

•All calculations and testing shall be done by a state licensed P..E.., and a certified test lab..

Fans shall be Greenheck model GB, as specified on page 50, with high wind-resistant construction option and manufactured by Greenheck Fan Corporation in Schofield, Wisconsin..

Seismic Specifications

Fans shall meet International Building Code (IBC) 2006, 2009 and the California Office of Statewide Health Planning and Development (OSHPD) requirements for seismic certifications as listed..

•All Greenheck seismically certified models shall be tested to the most severe seismic event on the Spectral Response Map per IBC Figures 1613..5 (1-2).. Testing shall be performed under the worst case scenario, using the highest mapped seismic load, highest level occupancy category, worst case site class, and highest code mandated importance factor..

•Fans shall be shake table tested in accordance with ICC ES AC-156, in which the fans are physically subjected to the same or greater forces as experienced during a seismic event..

•For applications which are not covered by

California OSHPD standards, Greenheck seismic model GB shall be certified by a third party engineering firm to IBC 2006, 2009 and ASCE 7-05 standards..

•Greenheck seismic model GB has been certified to IBC 2006, 2009, ASCE 7-05 and California OSHPD standards through engineering calculations and shake table testing of all models by independent third party engineering firms..

Fans shall be Greenheck model GB, as specified on page 50, with seismic rated construction option and manufactured by Greenheck Fan Corporation in Schofield, Wisconsin, USA..

Smoke Control Specifications

•Fans wheel shall be centrifugal backward-inclined, constructed of steel and shall include a wheel cone carefully matched to the inlet cone for precise running tolerances..

•Dual drives shall be sized for a minimum of 150% of driven horsepower.

•A NEMA-3R disconnect switch shall be factory installed and wired from the fan motor to

a junction box installed outside the motor compartment..

•Fans shall be Listed by Underwriters Laboratory for UL/cUL 705 for electrical components and UL/cUL Listed for Emergency Smoke Control Systems [500°F (260°C) for 4 hours and 1,000°F (538°C) for 15 minutes]..

Fans shall be Greenheck model GB, as specified on page 50, with smoke control rated construction option and manufactured by Greenheck Fan Corporation in Schofield, Wisconsin, USA..