Box Gutter Sump Design

Down pipe must be vertical from sump not to the side minimum sump length is 400mm.
Box gutter sump design. The esthetics of the box gutter hid the gutter from sight which was important during that time. Box gutter and rain water head at end of box gutter allowance for vertical faces and catchments on both sides of box gutter. All of the above options provide overflow provision to the box gutter. Sides must be vertical.
Or c a sump with a high capacity overflow device. A sump with a side overflow device. To do this we need 3 things what is the biggest storm we should design for. Suitable for flattish roofs with little or no vertical faces or steep roofs draining to one side of box gutter only or any roof if you are in a hurry and make the necessary allowances for all catchments.
Low and behold the box gutter is rotted out. Must have a constant slope between 1 40 and 1 200. A sump with a high capacity overflow device. 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 gutter design to as 3500 3 2015. To avoid problems plumbers need to calculate the hydraulic capacity of a box gutter and when designing overflow devices consider whether the discharge of the box gutter is to. The issue today is the copper would disappear not counting the cost to reinstall. The minimum size of a sump is 400mm x 200mm minimum width of box gutter and 150mm deep.
A box gutter is defined as a graded channel generally of a rectangular shape for the conveyance of rainwater within the building footprint including adjacent to a wall or parapet. Rainheads are an essential design element for buildings where internal box or trough gutters are used. Find the design rainfall. Design a box gutter to an internal sump with a side overflow.
A a rainhead b a sump with a side overflow device. A rainhead or sump is a container located between the gutter and downpipe that aids the flow of water away from the roof. A slate tile roof connecting to the box gutter and then to the copper spouts. To avoid problems plumbers need to calculate the hydraulic capacity of a box gutter and when designing overflow devices consider whether the discharge of the box gutter is to.
Box gutters must be straight no bends.