The spigotcan also be fitted from inside the sump this allows the downpipe to be fitted up to the sump.
Box gutter sump.
Box gutters must be straight no bends.
The outlet must be no further than the diameter of the outlet to the centre of the outlet.
Overflow devices need to discharge to the atmosphere in such a way as to prevent damage to buildings and property.
The theoretical down pipe diameter is shown for reference purposes only.
Code box gutter requirements the minimum width allowed for domestic projects is 200mm.
The depth shown of the box gutter is the depth at the upstream end.
The minimum size of a sump is 400mm x 200mm minimum width of box gutter and 150mm deep.
Must have a constant slope between 1 40 and 1 200.
The mod tec gutta sump can be fit ted simply from within the fitted box gutter this assists the accurate locating of the sump.
Sides must be vertical.
Down pipe must be.
It is easier to mark and cut the spigothole prior to fitting the sumpinto the box gutter.
For the associated box gutter outlet.
Choose an available size or any other size and enter that for the calculation of the sump.