Calculators for designing eaves gutters box gutters downpipes pipes and open channels etc to australian standards.
Standard box gutter sizes australia.
A box gutter is given its name as it is usually boxed into the middle or edge of the roof.
Design of eaves gutters box gutters downpipes to the australian national plumbing code as nzs 3500 3.
The gutter shall be stramit insert square gutter type as selected based on size and performance.
The side with the maximum flow is used to size the box gutter.
And project managers must ensure that the building is constructed in accordance with the approved design.
Plumbers must install the box gutter system in accordance with as nzs 3500 3 as nzs 3500 5 hb 114 and hb 39.
Box gutters should have a minimum fall of 1.
This free online box gutter calculator will size box gutters and rain water heads in accordance with the australian plumbing code as nzs 3500 3 2003 part 3 storm water drainage.
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.
The total flow is used to size the sump and overflow.
If you are worried you will need a larger gutter than the standard 6 inch it s important to talk to your roofer about your maximum rainfall intensity the pitch of your roof and the drainage area square footage.
In victoria the installation of box gutters is.
Pre manufactured gutter mitres and gutter angles for many guttering profiles reduce the need for creating mitres on site therefore simplifying the installation.
How much fall should i have on a box gutter.
There is detailed government legislation regarding the design installation and maintenance of guttering.
This effectively states that all box gutters must allow for 30mm of freeboard which is from the overflow point eg.
Material shall be protected steel sheet to australian standard as1397 with a minimum yield stress of 550mpa and an am100 az150 coating with an oven baked paint film of selected colour or a plain am125 az150 coating.
2015 3 7 4 layout.
Stratco gutters are strong yet lightweight making them easy to handle.
But can be used for anywhere in the world provided you know the rainfall intensity requirements for your local area.
Building permit involving the box gutter system relevant building surveyor.
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.
All domestic box gutters must be a minimum of 200mm wide and 75mm deep.
Rainhead overflow or specific box gutter overflow must be at least 30mm below the height of the back of the box gutter.
It works through the tables and graphs with enough explanations to understand the theory and logic of how the code works.
