Job specifications
The indoor skatepark
A local City Council has contracted you to complete the design a new roof drainage system
for their new indoor skatepark. The indoor skatepark has been built inside a refurbished
warehouse. You have assessed the skatepark and completed the preliminary planning
stages for the roof drainage system. The roof drainage system will incorporate box gutters,
sump/side overflow and downpipes.
Roof drainage system (Box gutter with sump/side overflow device
and downpipe)
Building type:
Warehouse
Location:
Torquay, Victoria
Roof type:
Sloping
Gradient of box gutters:
1:200
Width of box gutters:
425 mm
Downpipe size:
150 mm x 150 mm
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© Commonwealth of Australia 2012 | Licensed under Creative Commons Attribution-ShareAlike 3.0 Australia License
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A. Determine box gutter and sump width (Wbg) and box gutter gradient
mm
B. Determine downpipe size
mm
C. Determine depth of sump
mm
D. Determine clearances of the overflow channel
mm
E. Determine width of overflow channel
mm
F. Determine depth of overflow channel
mm
G. Determine minimum depth of box gutter
mm
H. Determine minimum height from top of gutter to bottom of overflow
mm
I.
mm
Calculate length of the sump
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