Box Gutter Sizes Australian Standards

Sizes the depth shown of the box gutter is the depth at the upstream end.

Box gutter sizes australian standards.

Plumbers must install a box gutter system in accordance with as nzs 3500 3 as nzs 3500 5 hb 114 and hb 39. Particular reference should be made to the correct sizing of gutter. Must have a constant slope between 1 40 and 1 200. In victoria the installation of box gutters is regulated plumbing work that must be carried out and.

Quantity and placement of downpipes. In addition to referring to australian standards as nzs 3500 3 2003 and as nzs 3500 5 2000 the bca also contains requirements for the disposal of surface water in volume one in performance requirements fp1 2 and fp 1 3 and in volume two in part 3 5 2 namely performance requirement p2 2 1 and clauses 3 5 2 1 and 3 5 2 4. It works through the tables and graphs with enough explanations to understand the theory and logic of how the code works. Examples of box gutters are shown below.

The minimum size of a sump is 400mm x 200mm minimum width of box gutter and 150mm deep. This is a google powerpoint presentation suitable for teachers students and anyone else interested in learning how to design box gutters using the australian plumbing code as nzs 3500 3 2015. Roof drainage systems should be designed and detailed by a suitably qualified trade or professional in accordance with the bca and the australian standards. Sumps are to be appropriately sized in accordance with as nzs 3500 3 with a minimum length of 400 mm and when fitted with a high capacity overflow device with a depth of not less than 150 mm when either one or two box gutters enter the sump.

Box gutters must be straight no bends. Sides must be vertical. Have a minimum width of 300mm for commercial installations 200mm for domestic installations. Down pipe must be vertical from sump not to the side minimum sump length is 400mm.

A box gutter must be installed with a fall not less than 1 100 and be designed in accordance with the joint australian and new zealand standard as nzs 3500 3 or section 5 of as nzs 3500 5.