Box Gutter Sump Size

Outlets box gutter outlets must discharge through either a rainhead or sump.

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 side with the maximum flow is used to size the box gutter. Learn more how to storm water design for building sites. 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.

Support the entire weight of the gutter and sumps when full of water as well as a trafficable load at any point in the gutter and sumps. Overflow box gutters must have independent overflow provision discharging to the atmosphere. 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.

The total flow is used to size the sump and overflow.