Floor Drain Capacity

Divide total roof area by area found in step 3 to obtain the number of drains required example.
Floor drain capacity. Sufficient top size and grate free area to pass the anticipated flow are required. The trench drain capacity calculations should first be done to determine the required flow rate. Roof drains zurn plumbing products groupspecification drainage operation 1801 pittsburgh avenue erie pa 16502 phone 814 455 0921 fax. Wade specification drainage products 11910 cr 492 tyler tx 75706 how to select a floor drain floor and area drains receive liquid from surrounding areas and by the attached piping convey the liquid to the storm or sanitary drainage system.
The prinsco drainage calculator estimates the capacity of tile drainage systems. Unfortunately recommendations aren t that straightforward because you also need to account for water pressure material friction and more. Floor drains zurn plumbing products groupspecification drainage operation 1801 pittsburgh avenue erie pa 16502 phone 814 455 0921 fax. After the weight capacity is established a suitable drain can be selected.
H d of the sanitary drain cannot exceed 0 5. Sizing data for conventional. A particular pipe size on a given grade will only carry a certain amount of water. By the way the drain capacity is dependent on n pipe diameter h d and slope of the pipe after the floor drain.
Floor drains are primarily used for inside locations where the flow rate into the drain can be anticipated. Increasing the size of floor drain without changing the size of the drain pipe cannot do anything good. Sizes the piping needed on the acreage to. Plumbing code requires that the maximum fullness i e.
Grate free area is defined as the total area. The steeper the grade of the installed pipe the more water it will carry. Divided by the 4 600 sq. Equals 32 6 or 33 drains required.
For proper trench drain design you can use the tables below to determine the depth the trench drain or slot drain should be for any given flow rate. Checks the capacity of drain tile on existing drainage systems. Each drain can handle 4 600 sq. There is also a trench drain calculator spreadsheet attached that can help with trench drain design.
Smith manufactures a full line of floor drains and devices that are easy to install and cost effective including variations for heavy duty drains with adjustable strainer heads special purpose drains traffic drains planting area drains trap seal primers devices and more to suit any construction need.