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South Bend Fire Department <br />CommanderChassis <br />One (1)Cab InsulationEngine Tunnel, Short Tunnel <br />03-09-8100 <br />ENGINE TUNNEL INSULATION <br />The engine tunnel shall include an insulated barrier from noise on the underside of each tunnel <br />surface. This barrier shall be engineered for surrounding engines. <br />The insulation barrier shall provide an acceptabledecibel level within the cab meeting or <br />exceeding the recommendations of NFPA 1901. <br />The thickness of theengine tunnel insulation shall be 1" thick. The insulating material shall be <br />open cell polyether based foam with a textured surface, specifically designed for acoustic <br />absorption. <br />Use of aluminized facedmaterial on the engine tunnel shall not be acceptable. No exceptions. <br />The engine tunnel insulation shall be precisely cutand sealed to fit each segment on the <br />underside of the tunnel surface. The insulation shall then be affixed by a pressuresensitive <br />adhesive. <br />The insulation shall meet or exceedFMVSS 302 flammability testing. <br />One (1)Cab Insulation Underbody, 54" &60" Cab <br />03-09-8017 <br />CAB UNDERBODY INSULATION <br />The underside of the cabshall include at a minimum of 1" of a uni-seal Cab-Foam insulation <br />offeringreducing vibration noise and thermal effect to the interior of the cab. <br />One (1)Cab Insulation Cab Damping <br />03-09-8020 <br />DAMPING INSULATION <br />The entirecab, including the ceiling and walls shall include additional insulation reducing <br />structure borne noise from vibration, impact and resonancewithin the cab. <br />10039-001609/02/20 <br />20 <br />PDF created with pdfFactory Pro trial version www.pdffactory.com <br /> <br />