Common use of ACOUSTICS Clause in Contracts

ACOUSTICS. OCTIVE BAND 31.5 63 125 250 500 1000 2000 4000 8000 (HZ) --------------------------------------------------------------------------------------------- DB 131 142 146 145 137 139 132 115 98 --------------------------------------------------------------------------------------------- The sound level defined above is exclusive of any noise radiated by the customer's exhaust system. The sound power level is measured in dB relative to 10-12 ▇▇▇▇▇, at the exhaust plenum exit, under base load conditions. Measuring procedures are in accordance with ASME PTC 36 (near field) and/or ANSI B133.8 (far field).