Floor Sink Sizing Calculations

Before we get to how to use the calculator to size a tankless water heater let s talk about the factors that go into understanding what size inline water heater you need.

Floor sink sizing calculations.

Maintenance of grease inteceptors. Dfu drainage fixture unit values is defined by the the uniform plumbing code upc and can be used to determine required drainage capacities from fixtures and their service systems. We already covered gpm. Floor and area drains receive liquid from surrounding areas and by the attached piping convey the liquid to the storm or sanitary drainage system.

Floor drains zurn plumbing products groupspecification drainage operation 1801 pittsburgh avenue erie pa 16502 phone 814 455 0921 fax. Floor drains are primarily used for inside locations where the flow rate into the drain can be anticipated. Floor sinks dfus based upon sink drain size see table 2 below or section 702 1 in the upc. Installation of grease interceptors.

Pdi size grease interceptor 1 1 4 1 7 5 10 1 1 2 2 15 15 2322 525 2 1 2 4 30 35 3537 550 464550 since the possibility of all the fixtures are used and drained simultaneously is very low using above sizing method can potentially result in an enormous flow and gross over sizing of the interceptor. This sizing tool is to provide a product s recommendation based on two factors. Sizing pdi method using sink dimensions. Mop sink hand sink pre rinse sink etc connected to the grease interceptor.

Area drains are designated for outside areas where rainfall intensity dictates sizing. Each dishwasher will require a seperate grease trap. 3 compartment sink 9 2 compartment sink use floor sink criteria based upon drain size or number of sinks whichever is larger each compartment is 3 dfus. Floor sink sizing excellent perception crack i especialy like the deep floor sink didn t even think of the different depths of all kinds of floor sinks thank you.

A fixture unit is not a flow rate unit but a design factor based on the rate of discharge time of operation and frequency of use of a fixture. Actual drainage load for sinks other appliances and sinks. Sizing pdi method using sink volumes. Now you need to understand what temperature rise means.

Maximum flow rate calculated based on each of the sink compartment dimensions and the number of additional fixtures i e. Dishwashers can be connected to a grease trap only if allowed by local code. Floor sinks that receive only ice machine and cooler condensate are not counted. 1 5 2 0 gpm per 3 4 inch faucet.

Tankless water heater sizing calculator.