Document 09Q5ZmEjjXkpZVQjLqJ4gZ8m

Table 9. Coefficients of Transmission (V) of Concrete Construction Floors and Ceilings Coefficients are expressed in Bin per hour per squarefool per degree Fahrenheit difference in temperature between the air on the two sides, and are based on still air (no wind) conditions on both sides. TYPICAL CONSTRUCTION (j------ICT"--"v<LL00R'lH<3 Type op Ceiling No Celling Y in. Plaster Applied Directly to Under Side of Concrete Suspended or Furred Metal Lath and Plaster 0^ in.) Ceiling Suspended or Furred Celling of Plaster Board (H in.) and Plaster (M in*) Suspended or Furred Celling of Rigid Insulation (Y in.) and Plaster (Y in.) Plaster (Y in.) on Corkboard (IY in.) Set In Cement Mortar {Y in.) on Concrete OF (Inches) 4 6 8. 10 4 6 8 10 4 6 8 10 ' 4 6 8 10 4 6 8 10 4 6 8 10 TYPE OF FLOORING Maple or Oak No. No Flooring Yellow Pine Flooring* on Flooring* on YellowTine Tile or (Concrete Bare)6 Wood Sleepers Embedded in Concrete4 Sub-Flooring* on Wood Sleepers Flooring on Concrete Embedded in Concrete ABCD i 0.65 2 0.59 3 0.53 4 0.49 0.40 0.37 0.35 0.33 0.31 0.30 0.28 0.27 0.61 0.50 0.51 0.47 5 0.59 6 0.54 7 0.50 8 0.45 0.38 0.35 0.33 0.32 0.30 0.28 0.27 0.26 0.56 0.52 0.47 0.44 9 O'. 37 10 0.35 11 0.33 12 0.32 13 0.36 14 0.33 15 0.31 16 0.30 0.28 0.20 0.25 0.24 0.26 0.25 0.24 0.23 0.23 0.22 0.21 0.21 0.22 0.21 0.21 0.20 , 0.36 0.34 0.32 0.31 0.34 0.32 0.30 0.29 . 17 0.24 18 0.23 19 0.22 20 0.22 21 0.15 22 0.14 23 0.14 24 0.14 0.20 0.19 0.18 0.18 0.13 0.13 0.12 0.12 0.17 0.17 0.16 0.16 0.12 0.12 0.11 0.11 0.24 0.23 0.22 0.21 0.14 0.14 0.14 0.14 K-in. Battleship Linoleum Directly on Concrete E 0.44 0.41 0.38 0.36 0.41 0.38 0.36 0.34 0.29 0.28 0.27 0.25 0.28 0.26 0.25 0.24 0.21 0.20 0.19 0.19 0.14 0.13 0.13 "Computed from factors marked by * in Table 2. .. *The figures in Column A may be used with sufficient accuracy for concrete floors covered with carpet. Thickness of yellow pine flooring assumed to be % in. ... ., ``The figures in Column B 'may be used with sufficient accuracy for maple or oak flooring4 applied directly over the concrete on wood sleepers. Thickness of made or oak flooring assumed to be in. > o // 122 (U)Table 10. Coefficients of Transmission of Concrete Floors on Ground with Various Types of Finish Flooring. Coefficients are expressed in Btu per hour per square foot per degree Fahrenheit difference in temperature between the ground and the air oner the floor, and are based on still air (no ttitnd) conditions. TYPICAL CONSTRUCTION CONCfitra /PLOOfclNC ' ""LA^ ''CeHcRtTfi IPUULATtON &e.TW(JlN two WatRPR.ooping towi/e / Thickness OF Concrete No. . (Inches) No Flooring (Concrete Bare) TYPE OF FINISH FLOORING Yellow Pine Flooring6 on Wood Bleepers Resting on Concrete Maple or Oak Flooring* on Yellow Pine Sub-Flooring on Wood Sleepers Resting on Concrete Tile or Terrawo4 on Concrete X-b. Battleship linoleum Directly on Concrete Type and Thickness of Insulation ABcDE None* 4 1 1.07 6 2 0.90 8 3 0.79 10 4 0.70 4 5 . . 0.66 8 6 0.54 0.35 0.33 0.32 0.30 0.29 0.27 0.28 0.27 0.26 0.25 0.24 0.23 0.98 0.84 0.74 0.66 0.63 0.52 0.60 0.54 0.50 0.46 0.44 0.39 1 in. Rigid Insulation* 1 in. Rigid Insulation* 2 in. Corkboard* 2 in. Corkboard* 4 7. 0.22 8 8 0.21 4 9 0.12 8 10 0.12 0.16 0.15 0.099 0.096 0.14 0.13 0.093 0.090 0.22 0.20 0.12 0.12 0.19 0.18 0.11 0.11 "Computed from factors marked by * in Table 2. ^Assumed % in. thick. "Assumed % in. thick. ^Assumed 1 in. thick. "The figures for Nos. 5 to 10, inclusive, include 3-in. cinder concrete placed directly on the ground. The insulation Is applied between the cinder concrete and the stone concrete. Usually the insulation is protected on both sides by a waterproof membrane, but this is not considered in the calculations. EC 3 yi E>F H acsos 88 o 3ss Si