Floor Drain Calculation

Q flow rate gallons per minute cd discharge coefficient 0 6 assumed a open area of grate square inches g acceleration 32 ft sec sec h head above floor inches.

Floor drain calculation.

Drain open area flow rate calculations assumed values units used in spreadsheet calculation. Sizes the piping needed on the acreage to. Factors which affect proper roof drainage are deck slope drain size and placement of drains. The prinsco drainage calculator estimates the capacity of tile drainage systems.

The above sizing data is offered as a guide only. Recommended grate free areas for various outlet pipe sizes 1 1 2 2 04 3 06 4 08 2 3 14 4 71 6 28 3 7 06. Calculate drains needed. The sizing of roof drains must be large enough to quickly carry away all.

A particular pipe size on a given grade will only carry a certain amount of water. Sufficient or if exterior surface flow calculations are required. Take the roof s total square footage and divide by the total square footage handled by one drain. Checks the capacity of drain tile on existing drainage systems.

The full flow capacity of a drain is not realized until the water reaches approximately 2 5 above the inlet in a four inch drain and 3 5 in a six inch drain. The result is the number of drains needed. From your backyard patio to the neighborhood aquatic center from the factory floor to a professional sports facility nds offers superior quality drainage solutions for every environment. The steeper the grade of the installed pipe the more water it will carry.