S e c t i on 1 3 - P a ge2 May 2013 4 bar type Dimensions Lattice Gir ders and Steel Ar ches continued O.P . T ype 0 [mm] S Bar Size W eight [lbs/ft] H [in] B [in] A Bars [in 2 ] Ix [in 2 ] Sx [in 2 ] ly [in 2 ] Sy [in 2 ] Joint Plate Foot Plate Size [in] Length [in] Unit W [lbs] Size [in] Unit Wt [lbs] 100 10 5 7.61 5.19 3.94 1.2 6.42 2.47 3.40 1.72 L5 3 1 / 2 1 / 2 5 7 5.0 6 8.88 5.44 1.8 9.77 3.59 4.56 2.31 5 1 / 4 5.6 7 10.23 5.69 2.4 10.04 4.94 5.75 2.92 5 1 / 2 5.9 8 13.43 5.94 3.1 19.34 6.52 6.97 3.54 5 3 / 4 6.1 10 17.16 6.44 4.9 33.50 10.41 9.34 4.75 6 6.4 6 1 / 2 6.9 140 10 5 7.88 6.76 5.51 1.2 11.54 3.42 7.32 2.66 6 3 / 4 7.2 1 / 2 7 9 8.3 6 9.14 7.01 1.8 17.32 4.95 10.03 3.65 7 7.5 7 10.51 7.26 2.4 24.55 6.77 12.98 4.72 7 1 / 4 7.7 8 13.71 7.51 3.1 33.38 8.90 16.10 5.66 7 1 / 2 8 10 17.42 8.01 4.9 56.39 14.10 22.65 8.24 8 8.5 180 10 5 8.51 8.34 7.09 1.2 20.28 4.64 12.85 3.63 8 3 / 8 8.9 1 / 2 8 1 0 1 / 2 11.9 6 9.78 8.59 1.8 30.13 6.70 17.82 5.03 8 5 / 8 9.2 7 11.51 8.84 2.4 42.29 9.14 23.34 6.58 8 7 / 8 9.6 8 14.35 9.09 3.1 56.94 11.99 29.32 8.27 8 1 / 8 9.7 10 18.06 9.59 4.9 94.44 18.89 42.33 11.94 8 5 / 8 10.3 220 12 5 9.80 9.91 6.66 1.2 28.45 5.55 19.84 4.58 9 15 / 16 10.6 5 / 8 10 12 21.2 6 11.06 10.16 1.8 42.06 8.01 27.71 6.40 10 3 / 16 10.9 7 12.43 10.41 2.4 58.75 10.93 36.57 8.44 10 7 / 8 11.1 8 15.63 10.66 3.1 78.74 14.32 46.29 10.65 10 11 / 16 11.8 10 19.34 11.16 4.9 129.41 22.51 67.88 15.68 11 8 / 16 11.9 www .dsiundergr ound.com