For animal waste management use the 25 year frequency 5 minute rainfall.
Gutter roof design.
Gutter sections are made from these 10 ft.
Step 4 measure the distance in feet between two x marks where a gutter will be installed.
A k style gutter in the same inch width can handle twice as much water as a half round gutter.
Design guide md 1 roof gutter d esign method nrcs engineering maryland october 2004 page 4 roof gutter design instructions 1.
Most times these style gutters are installed with rectangular downspouts.
See table 10 7a for standard downspout sizes.
Features a curved profile that is held in by tension which makes it easy to snap in and snap out.
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.
K style gutter systems so it is ideal for repairs replacement or as an addition to existing systems.
Choose the 10 year frequency 5 minute rainfall see chart 1.
K style gutters are the most common option and they provide optimum drainage for the majority of homes in most of the u s.
They come in 5 inch to 6 inch widths.
The design roof area is divided by the area of roof shown in table 10a column a2 or b2 see discussion above to give the minimum required area for each downspout.
Maximum length of gutter.
The minimum required size of a gutter is related to the intensity of rainfall and the area of roof that drains into the.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
Style of gutters to be used.
Box gutter and rain water head.
Gutter sections are made from 28 gauge galvalume steel.
Constructed from aluminum mesh for long lasting rust resistance.
5 inch 5 520 square feet.
Slope of the roof.
Design of eaves gutters box gutters downpipes.
The gutter must be of such a design and location that water from a steep pitched roof will not by its own velocity tend to overrun the front edge 3.
The e z gutter guards are designed to simply snap onto the existing gutter profile so no fasteners are required.
Then use the information below to see what size gutter you need.
All gutters are not effective for their full depth and width 4.
Record this on line 1 of worksheet 1.
Design of roof drainage systems roof drainage the roof is one of the most essential parts of a building as it protects occupants contents and interior of the structure from the elements.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
Design of the mesh allows water to flow through while blocking debris.
Once an architect has determined the kind of roof he intends to use he must give equal attention to the design of the roof drainage system.
Add one foot to the measurement for every turn in the gutter.
Label roof or roof segments and calculate.
