CPCCCA3007 Student Roof Quantities Exercise

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Australian College *

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HLTWHS001

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Mechanical Engineering

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Dec 6, 2023

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Student Roof Quantities Exercise CPCCCA3007 Construct pitched roofs Name: ________________________________________ Date: ____________ Roof Quantities Exercise CPCCCA3007 CONSTRUCT PITCHED ROOFS Calculate the quantity of roof members listed on the attached plan. A Basic Roofing Table is provided on the next page. The roof pitch is 26.5 degrees, with rafter spacing of 900mm. The horizontal roof overhang is 600mm. Please Note: The entire table must be completed including cost. March 2021 Page 1
Student Roof Quantities Exercise CPCCCA3007 Construct pitched roofs Roof Plan March 2021 Page 2
Student Roof Quantities Exercise CPCCCA3007 Construct pitched roofs Table for Quantities and Costing Members No Run of Member Geometrical Lengths Length +O/hang Stock Length To be Ordered Cost Per Metre Total Metre Cost COMMON RAFTERS (main roof) LONG JACKS (main roof) COMMMON RAFTERS (minor roof) LONG JACKS (minor roof) N/A N/A DIMINISH LENGTH N/ A N/A N/A N/A N/A 1 st HIP CREEPER RAFTER (main roof) N/A N/A 2 nd HIP CREEPER RAFTER (main roof) N/A N/A 3 rd HIP CREEPER RAFTER (main roof) N/A N/A 4 th HIP CREEPER RAFTER (main roof) N/A N/A 1 st HIP CREEPER RAFTER (minor roof) N/A N/A 2 nd HIP CREEPER RAFTER (minor roof) N/A N/A 3 rd HIP CREEPER RAFTER (minor roof) N/A N/A 1 st VALLEY CREEPER RAFTER (main roof) N/A N/A 2 nd VALLEY CREEPER RAFTER (main roof) N/A N/A 3 rd VALLEY CREEPER RAFTER (main roof) N/A N/A 4 th VALLEY CREEPER RAFTER (main roof) N/A N/A 1 st VALLEY CREEPER RAFTER (minor roof) N/A N/A 2 nd VALLEY CREEPER RAFTER (minor roof) N/A N/A 3 rd VALLEY CREEPER RAFTER (minor roof) N/A N/A 4 th VALLEY CREEPER RAFTER (minor roof N/A N/A HIP RAFTER (main roof) N/A N/A N/A HIP RAFTER (minor roof) N/A N/A N/A BROKEN HIP (main roof) N/A N/A N/A VALLEY RAFTER N/A N/A N/A RIDGE BOARD (main roof) N/A N/A N/A RIDGE BOARD (minor roof) N/A N/A N/A March 2021 Page 3
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Student Roof Quantities Exercise CPCCCA3007 Construct pitched roofs Basic Roofing Table Roof Pitch Rise Per Metre Run Length Common Rafter Per Metre Run Length of Hip/Valley Per Metre Run of Common Rafter 0.088 1.003 1.417 7 ½° 0.132 1.009 1.420 10° 0.176 1.015 1.425 12 ½° 0.222 1.024 1.431 15° 0.268 1.035 1.439 17 ½° 0.315 1.048 1.449 20° 0.364 1.064 1.460 22 ½° 0.414 1.082 1.473 23° 0.425 1.086 1.477 25° 0.466 1.104 1.489 26 ½° 0.499 1.118 1.499 30° 0.577 1.154 1.527 35° 0.700 1.221 1.578 40° 0.839 1.305 1.644 55° 1.428 1.743 2.100 March 2021 Page 4