Steel ceiling joists and soffits (cont.) Per SF of area covered. Including typical stiffeners, splices, bracing, rim joists and screws. Add the cost of beams, bridging, blocking, ledger strips and trimmers as required. See costs for beams, bridging, backing, blocking and trimmers elsewhere in this section. Deduct for openings over 25 SF. Labor includes layout, assembly and alignment. Figures in parentheses show weight of steel per square foot of ceiling. Assumes minimal waste.
8" steel ceiling joists, 24" OC, 1-5/8" flange [view picture]
    800S162-33 (20 gauge, .98 Lbs./SF) B1@.018 SF .96 .60 1.56
    800S162-43 (18 gauge, 1.24 Lbs./SF) B1@.019 SF 1.22 .63 1.85
    800S162-54 (16 gauge, 1.52 Lbs./SF) B1@.021 SF 1.49 .70 2.19
    800S162-68 (14 gauge, 1.87 Lbs./SF) B1@.023 SF 1.83 .77 2.60
    800S162-97 (12 gauge, 2.57 Lbs./SF) B1@.028 SF 2.52 .93 3.45
10" steel ceiling joists, 12" OC, 1-5/8" flange
    1000S162-43 (18 gauge, 2.63 Lbs./SF) B1@.033 SF 2.58 1.10 3.68
    1000S162-54 (16 gauge, 3.24 Lbs./SF) B1@.036 SF 3.18 1.20 4.38
    1000S162-68 (14 gauge, 4.02 Lbs./SF) B1@.040 SF 3.94 1.33 5.27
    1000S162-97 (12 gauge, 5.58 Lbs./SF) B1@.048 SF 5.47 1.60 7.07
10" steel ceiling joists, 16" OC, 1-5/8" flange
    1000S162-43 (18 gauge, 2.03 Lbs./SF) B1@.025 SF 1.99 .83 2.82
    1000S162-54 (16 gauge, 2.50 Lbs./SF) B1@.028 SF 2.45 .93 3.38
    1000S162-68 (14 gauge, 3.10 Lbs./SF) B1@.031 SF 3.04 1.03 4.07
    1000S162-97 (12 gauge, 4.29 Lbs./SF) B1@.037 SF 4.20 1.23 5.43
10" steel ceiling joists, 20" OC, 1-5/8" flange
    1000S162-43 (18 gauge, 1.67 Lbs./SF) B1@.022 SF 1.64 .73 2.37
    1000S162-54 (16 gauge, 2.06 Lbs./SF) B1@.024 SF 2.02 .80 2.82
    1000S162-68 (14 gauge, 2.54 Lbs./SF) B1@.027 SF 2.49 .90 3.39
    1000S162-97 (12 gauge, 3.52 Lbs./SF) B1@.032 SF 3.45 1.07 4.52
10" steel ceiling joists, 24" OC, 1-5/8" flange
    1000S162-43 (18 gauge, 1.44 Lbs./SF) B1@.019 SF 1.41 .63 2.04
    1000S162-54 (16 gauge, 1.76 Lbs./SF) B1@.021 SF 1.72 .70 2.42
    1000S162-68 (14 gauge, 2.18 Lbs./SF) B1@.023 SF 2.14 .77 2.91
    1000S162-97 (12 gauge, 3.01 Lbs./SF) B1@.027 SF 2.95 .90 3.85
12" steel ceiling joists, 12" OC, 1-5/8" flange
    1200S162-54 (16 gauge, 3.71 Lbs./SF) B1@.034 SF 3.64 1.13 4.77
    1200S162-68 (14 gauge, 4.60 Lbs./SF) B1@.038 SF 4.51 1.27 5.78
    1200S162-97 (12 gauge, 6.39 Lbs./SF) B1@.045 SF 6.26 1.50 7.76
12" steel ceiling joists, 16" OC, 1-5/8" flange
    1200S162-54 (16 gauge, 2.86 Lbs./SF) B1@.028 SF 2.80 .93 3.73
    1200S162-68 (14 gauge, 3.54 Lbs./SF) B1@.030 SF 3.47 1.00 4.47
    1200S162-97 (12 gauge, 4.92 Lbs./SF) B1@.036 SF 4.82 1.20 6.02
12" steel ceiling joists, 20" OC, 1-5/8" flange
    1200S162-54 (16 gauge, 2.35 Lbs./SF) B1@.022 SF 2.30 .73 3.03
    1200S162-68 (14 gauge, 2.90 Lbs./SF) B1@.024 SF 2.84 .80 3.64
    1200S162-97 (12 gauge, 4.03 Lbs./SF) B1@.029 SF 3.95 .97 4.92
12" steel ceiling joists, 24" OC, 1-5/8" flange
    1200S162-54 (16 gauge, 2.01 Lbs./SF) B1@.020 SF 1.97 .67 2.64
    1200S162-68 (14 gauge, 2.49 Lbs./SF) B1@.022 SF 2.44 .73 3.17
    1200S162-97 (12 gauge, 3.45 Lbs./SF) B1@.026 SF 3.38 .87 4.25
Backing for drywall ceiling Floating backing for drywall ceilings, trim, appliances, fixtures, etc.
  1-1/2" x 1-1/2" (.54 Lbs./LF) B1@.012 LF .53 .40 .93

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