Box Gutter Sump

The theoretical down pipe diameter is shown for reference purposes only.

Box gutter sump.

Down pipe must be. Sides must be vertical. 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. It is easier to mark and cut the spigothole prior to fitting the sumpinto the box gutter.

Box gutters must be straight no bends. Choose an available size or any other size and enter that for the calculation of the sump. The mod tec gutta sump can be fit ted simply from within the fitted box gutter this assists the accurate locating of the sump. The depth shown of the box gutter is the depth at the upstream end.

Code box gutter requirements the minimum width allowed for domestic projects is 200mm. For the associated box gutter outlet. The outlet must be no further than the diameter of the outlet to the centre of the outlet. Must have a constant slope between 1 40 and 1 200.

Overflow devices need to discharge to the atmosphere in such a way as to prevent damage to buildings and property. The spigotcan also be fitted from inside the sump this allows the downpipe to be fitted up to the sump.