Box Gutter Sump Regulations

State of victoria victorian building authority 2017 published june 2017.

Box gutter sump regulations.

However any width can be entered. Box gutters must be straight no bends. Have a sole width which is not reduced discharge at the downstream end without. Experiment with this figure to get the depth of box gutter you require.

The minimum size of a sump is 400mm x 200mm minimum width of box gutter and 150mm deep. Sump with a side overflow device sumps do require an increase in the depth of flow in the box gutter and gutters are to be fitted with either. Have a minimum width of 300mm for commercial installations 200mm for domestic installations. The regulations require that guttering has allowances for water to overflow gutters in a way that does not cause water to flow back into the structure.

Down pipe must be vertical from sump not to the side minimum sump length is 400mm. For commercial projects the minimum allowable width is 300mm. Read more about compliant guttering options what does it mean for installers. Sizes the depth shown of the box gutter is the depth at the upstream end.

Overflow devices need to discharge to the atmosphere in such a way as to prevent damage to buildings and property. For the associated box gutter outlet. Trial box gutter width the minimum width allowed for domestic projects is 200mm. Have a minimum depth of 75mm at the high end.

Sides must be vertical. Vertical faces enter the full vertical face area.