Sump Box Gutter

The minimum size of a sump is 400mm x 200mm minimum width of box gutter and 150mm deep.

Sump box gutter.

Sumps are usually attached between a box gutter and the downpipe. Box gutters are deemed to satisfy the performance requirements of the national construction code if they are certified to meet. Overflow devices need to discharge to the atmosphere in such a way as to prevent damage to buildings and property. For commercial projects the minimum allowable width is 300mm.

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. Sides must be vertical. Down pipe must be. Box gutters must be straight no bends.

The spigotcan also be fitted from inside the sump this allows the downpipe to be fitted up to the sump. It is easier to mark and cut the spigothole prior to fitting the sumpinto the box gutter. Must have a constant slope between 1 40 and 1 200. For the associated box gutter outlet.

Sumps are attached between a box gutter and a downpipe where they collect stormwater before sending it down the downpipe. The outlet must be no further than the diameter of the outlet to the centre of the outlet. A box gutter is defined as a graded channel generally of a rectangular shape for the conveyance of rainwater within the building footprint including adjacent to a wall or parapet. Code box gutter requirements the minimum width allowed for domestic projects is 200mm.

A rainwater sump catches any debris or unwanted materials from travelling down the drain pipe and into any drains. Sumps can be made to order but are commonly manufactured in either 100mm and 150mm depths. The mod tec gutta sump can be fit ted simply from within the fitted box gutter this assists the accurate locating of the sump.