ABCDEFGHIJKLMNOPQRSTUVWXYZAAABACADAE
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Binding ColumnTimesing ColumnDimension columnSquaring columnDescription column
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1. Wall Plates
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3/5.9317.79Wall plates 75 X 125 mm
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[16.1.1.3
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Length of buildingBuilding length6000mm
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6000
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ddt Overhang 2 TIMES 35 Roof overhang35mm
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70
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5930
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12
13
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2. Rafter
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6000
16
 Assumed Clearance
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25Rafter Thickness75mm
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 Half thickness of rafter (smallest side) (0.5 TIMES 75) Rafter spacing400mm
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38
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Both sides [2 TIMES (Assumed clearance + Half thickness of rafter)]
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125
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Span of rafter
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5875
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Rafter spacing (c/c)
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400
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Number of rafter
27
16
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29
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16/11675 X 125 mm members, 22.5 degree pitch, jointed with
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27.5 X 2.5 X 1200 mm wall plate straps.
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[16.2.1
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35
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3. Wall plate straps
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16/11627.5 X 2.5 X 1200 mm wall plate straps.
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[16.6.1
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41
42
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44
4. Ceiling joist
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16/11675 X 125 mm ceiling joists.
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[16.2.1.6
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48
49
50
51
5. Covering
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Length of Building
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60000.5
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Width of Building Building width3000mm
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3000
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Soffit board (Longest side) Soffit board225mm
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225Fascia thickness25mm
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 Half thickness of fascia (smallest side) (0.5 TIMES 25) Roof gutter length113mm
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13
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 Half span of of roof gutter (0.5 TIMES 113)
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57
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3294USE AUTOCAD IF DRAWINGS ARE AVAILABLE.
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65
Roof pitch
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22.5Roof pitch22.5degree
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Roof slope
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3565
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Roof coverings. 22.5 degree pitch, Clay plain tiles covering,
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45 X 50 mm tile battens, ne 600 c/c
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[18.1.1
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75
6.00&
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3.5721.39
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6. Breathable membrane
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Web UV 10 standard grade breather membrane
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[17.1.2
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82
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84
7. Insulation
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86
21.39Rafter thickness75mm
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DDT area of rafterRafter Length3565mm
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4.195Area of rafter4194916mm^2
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17.197
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17.20125 mm Knauf Earthwool, Rocksilk RS45 insulation, glass mineral wool
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[31.3.3
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94
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8. Fascia board
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Fascia board 25 X 125 mm
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[
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6.006.00
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&
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9. Vented soffit board.