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SnapNrack UL 2703 Fire Classification February 2015 As of January 1st, 2015 many jurisdictions are now enforcing codes based upon updates to the International Building Code (IBC) and UL Standards 1703 (modules) and 2703 (mount- ing systems). The language included in the 2012 IBC requires that the combination of roof mounted solar modules and racking components is to be considered a system (IBC Section 1509.7.2). Additionally, it requires that this system shall meet or exceed the fire classifica- tion of the roof assembly. The objective is to ensure that the PV system does not adversely affect the fire rating of the roof. Roof sur- face fire ratings are classified either A, B, or C; Class A being the most resistant to the spread of flame. Since the physical characteristics of the PV module (material, thickness of glass, etc) also potentially af- fect how a fire will act, modules are now tested and assigned a "type" based upon these characteristics and spread of flame test results. There are 15 total module types, Types 1, 2 and 3 represent dif- ferences in the module composition and Types 4 - 15 are the same module compositions as Types 1 - 3 with differing fire test performance - Snap Nrack Series 100 has been Certified for a Class Afire rating with Type 1 and Type 2 modules, in accordance with the standards set forth in UL1703/2703 and IBC 2012. In or- der to maintain this classification, the SnapNrack mounting system must be installed per the UL-approved Installation Manual, Because the test was conducted with the modules at 5 inches from the roof surface (worst case scenario), there is no restriction to the standoff height. Attachment 1 is the SnapNrack DIMS File which is accessed through the UL Online Certifica- tion Directory, or available here: SnapNrack DIMS F'le. The full SnapNrack Series 100 UL Test Report is available by sending requests to aopenarasnaonraek.com. RHourw sWpnlack C.Woasoul.s Dtllgn snapnrack com/conflgulato, ethane to Guy swpmJCkcoovwMrc-to-buy GJ)-T3248G0 mnteu@rnepnreekeem Series 100 Structural Report and Calculations 6063 Alloy Rail Tables 0.30 R Roof Height SnapNrack- PV Mounting Systems Table 1A: Rail spans (in) for RoofSlopes and Tift Angles 0' to IT 600AIloy 0000®0000®00®®®® m�00�0000�0�0�0� 0.30 M Roof Height MnMW===KE _A®®®®®=k1m ®0000000®00®0®® 0m00000000000®®® 000000®000000000 0�0©0©©00�000�0© ��0�0000000�0000 NSSE 56^—" Sunnn GuulCYW F*tr CA 95638(916) 536.9555 Page