Table 4B.8 Maximum clear span of binders

Table 4B.8 Maximum clear span of binders (m): Timber strength class C16 C16 Dead Load [kN/m2] excluding the self weight of the binder Size of binder (mm) | Not more than 0.25 | More than 0.25 but not more than 0.50 Design spacing of binders (mm) | 1200 | 1500 | 1800 | 2100 | 2400 | 2700 | 1200 | 1500 | 1800 | 2100 | 2400 | 2700 47 x 150: 2.17 | 2.05 | 1.96 | 1.88 | 1.81 | — | 1.99 | 1.87 | — | — | — | — 47 x 175: 2.59 | 2.45 | 2.33 | 2.24 | 2.15 | 2.08 | 2.37 | 2.23 | 2.11 | 2.02 | 1.94 | 1.87 50 x 150: 2.22 | 2.11 | 2.01 | 1.93 | 1.86 | — | 2.04 | 1.92 | 1.83 | — | — | — 50 x 175: 2.65 | 2.51 | 2.39 | 2.29 | 2.21 | 2.13 | 2.42 | 2.28 | 2.16 | 2.07 | 1.99 | 1.91 50 x 200: 3.08 | 2.91 | 2.77 | 2.65 | 2.55 | 2.47 | 2.81 | 2.64 | 2.50 | 2.39 | 2.29 | 2.21 63 x 125: 1.97 | — | — | — | — | — | 1.87 | — | — | — | — | — 63 x 150: 2.44 | 2.31 | 2.20 | 2.12 | 2.04 | 1.97 | 2.23 | 2.11 | 2.00 | 1.91 | 1.84 | — 63 x 175: 2.90 | 2.74 | 2.61 | 2.51 | 2.41 | 2.33 | 2.65 | 2.49 | 2.37 | 2.26 | 2.17 | 2.10 63 x 200: 3.37 | 3.18 | 3.03 | 2.90 | 2.79 | 2.69 | 3.07 | 2.88 | 2.74 | 2.61 | 2.51 | 2.42 63 x 225: 3.83 | 3.61 | 3.44 | 3.29 | 3.16 | 3.05 | 3.49 | 3.27 | 3.10 | 2.96 | 2.84 | 2.74 75 x 125: 2.12 | 2.01 | 1.92 | 1.85 | — | — | 1.95 | 1.84 | — | — | — | — 75 x 150: 2.61 | 2.47 | 2.36 | 2.26 | 2.18 | 2.11 | 2.39 | 2.25 | 2.14 | 2.05 | 1.97 | 1.90 75 x 175: 3.10 | 2.93 | 2.79 | 2.68 | 2.58 | 2.49 | 2.83 | 2.66 | 2.53 | 2.42 | 2.32 | 2.24 75 x 200: 3.59 | 3.39 | 3.23 | 3.09 | 2.98 | 2.88 | 3.27 | 3.08 | 2.92 | 2.79 | 2.68 | 2.58 75 x 225: 4.08 | 3.85 | 3.66 | 3.51 | 3.37 | 3.26 | 3.71 | 3.50 | 3.31 | 3.16 | 3.03 | 2.92