RT_spreadsheet - REVERBERATION TIME CALCULATION PROJECT...

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REVERBERATION TIME CALCULATION Siebein Associates, Inc. PROJECT NAME: CONDITION: DATE: NOTES: ROOM DESCRIPTION: SURFACE MATERIAL AREA ABSORPTION COEFFICIENT (α) sq. ft. 125 250 500 1000 2000 4000 TOTAL AREA VOLUME COMPUTATION OF SABINS 125 250 500 1000 2000 4000 TOTALS (ΣA=ΣSα) AVG REVERBERATION TIME (SABINE)
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REVERBERATION TIME CALCULATION Siebein Associates, Inc. PROJECT NAME: New Smyrna CONDITION: Absorbent materials DATE: ### NOTES: 20% wall abs. ROOM DESCRIPTION: Multipurpose K-13 ceiling SURFACE AREA ALPHA ALPHA ALPHA ALPHA ALPHA ALPHA ALPHA ALPHA sq. ft. 63 125 250 500 1000 2000 4000 8OOO CEILING (GYP.BD.) 2802 0.20 0.25 0.15 0.05 0.04 0.05 0.05 0.09 1-1/2" Acoustic Metal Deck 0 0.33 0.47 0.93 0.98 0.96 0.56 0.23 0.18 1/2"ACT SUSPENDED 0 0.22 0.31 0.34 0.49 0.74 0.75 0.64 0.51 CONCRETE 0 0.01 0.01 0.01 0.02 0.02 0.02 0.02 0.02 WALLS (CMU) 2474 0.08 0.1 0.05 0.06 0.07 0.09 0.08 0.07 WALLS (GYP. BD.) 350 0.18 0.22 0.08 0.05 0.04 0.07 0.09 0.09 WALLS (GLASS) 147 0.14 0.18 0.06 0.04
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RT_spreadsheet - REVERBERATION TIME CALCULATION PROJECT...

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