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SmartLVL 15 Design Guide - Tilling Timber

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SINGLE/CONTINUOUS SPAN ROOF RAFTERAS 4055 CLASSIFICATION C1, C2 AND C3WITH CEILING ATTACHEDPropped ridgeboardEXAMPLE:RafterRafterspanOverhangwind speed = C3tile roof - 75 kg/m 2rafter/truss spacing = 600 mmrafter span = 5800 mmEnter span table at rafter spacing of 600 mm, and read down toa span equal to or greater than 5800 mmRafterspacingADOPT:<strong>SmartLVL</strong> <strong>15</strong> — 300x42Maximum Birdsmouth = 30% of rafter depthRafter spacing (mm) 450 600 900 1200 450 600 900 1200Member sizeD x B (mm)Roof mass(kg/m 2 )span O/H span O/H span O/H span O/H span O/H span O/H span O/H span O/HMaximum allowable single span (mm)Maximum allowable continuous span (mm)90x35 30 2300 550 2200 500 2200 400 2000 300 2800 550 2800 500 2400 400 2000 30040 2300 550 2200 500 2200 400 2000 300 2800 550 2800 500 2400 400 2000 30075 2300 600 2100 500 1800 400 1600 350 2800 600 2800 500 2500 400 2100 35090 2100 600 1900 500 1700 400 <strong>15</strong>00 350 2800 600 2600 500 2300 400 2100 350120x35 30 3400 700 3400 600 3000 500 2600 400 4300 700 4000 600 3200 500 2600 40040 3400 700 3300 600 2900 500 2700 400 4300 700 4100 600 3200 500 2700 40075 3000 750 2700 650 2400 500 2200 400 4100 750 3700 650 3300 500 2800 40090 2800 750 2600 650 2300 500 2100 450 3900 750 3500 650 3100 500 2800 450130x35 30 3900 750 3800 650 3300 500 2900 450 4900 750 4400 650 3500 500 2900 45040 3900 750 3600 650 3200 500 2900 450 4900 750 4400 650 3500 500 2900 45075 3300 800 3000 650 2600 550 2400 450 4400 800 4100 650 3600 550 3000 45090 3100 800 2800 700 2500 550 2200 450 4200 800 3800 700 3400 550 3000 450140x35 30 4300 800 4100 700 3600 550 3100 450 5400 800 4700 700 3700 550 3100 45040 4200 800 3900 700 3400 550 3100 450 5400 800 4700 700 3700 550 3100 45075 3500 850 3200 700 2800 550 2600 500 4800 850 4400 700 3800 550 3200 50090 3300 850 3000 700 2600 550 2400 500 4500 850 4100 700 3600 550 3300 500<strong>15</strong>0x35 30 4700 850 4400 700 3800 550 3300 500 5800 850 5000 700 4000 550 3300 50040 4500 850 4200 750 3700 550 3400 500 5900 850 5000 750 4000 550 3400 50075 3700 900 3400 750 3000 600 2700 500 5100 900 4700 750 4100 600 3500 50090 3500 900 3200 750 2800 600 2600 500 4800 900 4400 750 3900 600 3500 500170x35 30 5500 950 5000 800 4300 650 3800 550 6500 950 5600 800 4500 650 3800 55040 5100 950 4700 800 4200 650 3800 550 6600 950 5600 800 4500 650 3800 55075 4200 1000 3900 850 3400 650 3100 550 5800 1000 5300 850 4600 650 3900 55090 4000 1000 3700 850 3200 650 2900 550 5400 1000 5000 850 4400 650 4000 550190x35 30 6100 1000 5600 850 4800 700 4200 600 7200 1000 6200 850 5000 700 4200 60040 5700 1050 5200 900 4600 700 4200 600 7200 1050 6300 900 5000 700 4200 60075 4700 1050 4300 900 3800 700 3500 600 6300 1050 5900 900 5200 700 4400 60090 4500 1100 4100 950 3600 750 3300 600 6000 1100 5600 950 4900 750 4400 5 600200x35 30 6300 1050 5800 900 5100 700 4400 600 7600 1050 6500 900 5200 700 4400 60040 5900 1050 5500 900 4900 700 4400 600 7500 1050 6600 900 5200 700 4400 60075 5000 1100 4500 950 4000 750 3700 650 6500 1100 6100 950 5400 750 4600 5 65090 4700 1<strong>15</strong>0 4300 950 3800 750 3400 650 6300 1<strong>15</strong>0 5800 950 5100 750 4700 10 650240x35 30 7100 1250 6700 1050 6100 800 5200 700 9000 1250 7700 1050 6200 800 5200 5 70040 6700 1250 6400 1050 5800 850 5300 700 8500 1250 7800 1050 6200 850 5300 5 70075 5900 1300 5400 1100 4800 850 4400 750 7400 1300 7000 1100 6400 10 850 5500 <strong>15</strong> 75090 5600 1300 5100 1100 4500 900 4100 750 7200 1300 6700 1100 6100 10 900 5600 20 75090x42 30 2500 600 2400 550 2400 400 2200 350 3100 600 3100 550 2700 400 2200 35040 2500 650 2400 550 2300 400 2100 350 3100 650 3100 550 2700 400 2200 35075 2400 650 2200 550 1900 450 1700 350 3100 650 3000 550 2600 450 2300 35090 2300 650 2100 550 1800 450 1600 400 3100 650 2800 550 2500 450 2200 400120x42 30 3800 800 3700 650 3200 550 2900 450 4700 800 4400 650 3500 550 2900 45040 3800 800 3500 650 3100 550 2800 450 4700 800 4500 650 3600 550 3000 45075 3200 800 2900 700 2600 550 2300 450 4300 800 4000 700 3500 550 3100 45090 3000 850 2700 700 2400 550 2200 500 4100 850 3700 700 3300 550 3000 500<strong>SmartLVL</strong> <strong>15</strong> <strong>Design</strong> <strong>Guide</strong> 34

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