Box Gutter Sump Regulations

Saa snz hb114 1998 ci 3 4.

Box gutter sump regulations.

Inappropriate overflow provision to the sump rainhead. The side with the maximum flow is used to size the box gutter. Rainheads are an essential design element for buildings where internal box or trough gutters are used. Each box gutter run must discharge independently to ether a sump or directly out of the building without changing the size of the gutter or changing direction.

Method for design of eaves gutter systems. Plumbing regulations 2008 part 2 r 14. Either a rainhead or sump. A box gutter is defined as a graded channel generally of a rectangular shape for the.

This has become a big issue in the past 18 months particularly in victoria and is outlined in a new section in the current update to the ncc. In victoria the installation of box gutters is regulated plumbing work that must be carried out and certified by suitably registered licensed plumbers. As nzs 3500 3 2003 ci 3 7 5 1. Vba openly disclose that they do not use the bca code as it believes their regulations are far more thorough and make construction in victoria of a better standard for the.

Architects draftpersons builders and other. With building design being so restrictive on space these days this is the area where designers must think about how the roofing contractor will make the box gutter comply. This free online box gutter calculator will calculate the size of box gutters and sumps with a side overflow in accordance with the australian plumbing code as nzs 3500 3 2003 part 3 storm water drainage. Saa snz hb114 1998 ci 3 6.

Overflows in box gutter. Insufficient number of downpipes appropriate for the roof catchment area. 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 plumbers must install a box gutter system in accordance with as nzs 3500 3 as nzs 3500 5 hb 114 and hb 39.

The total flow is used to size the sump and overflow. Inappropriate box gutter size for the roof catchment area. A rainhead or sump is a container located between the gutter and downpipe that aids the flow of water away from the roof. Installing box gutters to achieve compliance with relevant regulations.