Learn more how to storm water design for building sites.
Box gutter sump size.
Each box gutter run must discharge independently to ether a sump or directly out of the building without changing the size of the gutter or changing direction.
The total flow is used to size the sump and overflow.
With building design being so restrictive on space these days this is the area where designers must think about how the roofing contractor will make the box gutter comply.
Overflow box gutters must have independent overflow provision discharging to the atmosphere.
When determining the size of your rainhead you will need to consider such things as rainfall intensity occurrence use of the building and the size of the box gutter.
Layout box gutters must.
This is best done by your architect engineer or building designer and should conform to the requirements of as nzs 3500 3 2003 plumbing and drainage.
Downpipe eaves gutter long straight eaves gutters box gutter to rain water head box gutter vertical faces box gutter side o flow box gutter vertical o flow storm water pipe size storm water network overland flow path spitter upstream end custom rain water head.
This free online box gutter calculator will calculate the size of box gutters and sumps with a side overflow in accordance with the australian plumbing code as nzs 3500 3 2003 part 3 storm water drainage.