Sump Box Gutter

Must have a constant slope between 1 40 and 1 200.

Sump box gutter.

The minimum size of a sump is 400mm x 200mm minimum width of box gutter and 150mm deep. This free online box gutter calculator will calculate the size of box gutters and sumps with a vertical high capacity overflow in accordance with the australian plumbing code as nzs 3500 3 2003 part 3 storm water drainage. Box gutters must be straight no bends. Sumps are usually attached between a box gutter and the downpipe.

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. The mod tec gutta sump can be fit ted simply from within the fitted box gutter this assists the accurate locating of the sump. For commercial projects the minimum allowable width is 300mm. For the associated box gutter outlet.

It is easier to mark and cut the spigothole prior to fitting the sumpinto the box gutter. The spigotcan also be fitted from inside the sump this allows the downpipe to be fitted up to the sump. Sumps are attached between a box gutter and a downpipe where they collect stormwater before sending it down the downpipe. Box gutters are deemed to satisfy the performance requirements of the national construction code if they are certified to meet.

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. The outlet must be no further than the diameter of the outlet to the centre of the outlet. Code box gutter requirements the minimum width allowed for domestic projects is 200mm. But it can be used for elsewhere in the world if you know the design rainfall intensity requirements for your area.

Sumps can be made to order but are commonly manufactured in either 100mm and 150mm depths. Overflow devices need to discharge to the atmosphere in such a way as to prevent damage to buildings and property. A rainwater sump catches any debris or unwanted materials from travelling down the drain pipe and into any drains.