Box Gutter Sump Size

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

Box gutter sump size.

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

Learn more how to storm water design for building sites. 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. Layout box gutters must. 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.

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.