Meade Septic Design

Friction Loss / Drain back Worksheet for 2" dia. and 3" dia. PVC Sch 40

Contact Information

First Name:

Last Name:

Street Address:

City:

State:

Zip Code:

E-Mail Address:

Phone Number(s):

Fax Number:

General Directions

First: Pick the type of system - Flood Dose or Pressure Distribution
Second: Fill in all required fields by using the Tab key to move down the page. Refer to the pump curves page for a sampling of available effluent/sewage pumps or see your local dealer.

Third: When completed, click the submit button. You will then be directed to a secure server for payment ($30 fee). Your calculated friction loss will be e-mailed to you within 24 Hours of payment.

This worksheet assumes that you are going to use the same pipe diameter throughout the delivery line (including all fittings).

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Length of Delivery line in feet:

Feet

General Rule:

Pumping <60 GPM- 2" delivery line
Pumping >60 GPM- 3" delivery line

Diameter of Delivery Line:

Static lift:

Feet

The static lift is figured by subtracting the pump's proposed off float elevation from the invert elevation of the D-box inlet.

Gallons per/minute at static Lift:

G.P.M.

Next, take this static lift and find a pump that will deliver your target Gallons/Minute at that static lift.

List the number of fittings in the delivery
line between the pump and the D-Box:

90º Elbows:
45º Elbows:
Tee Thru-Flow:
Tee Branch Flow:
Swing Check Valve:

Example: Using Myers ME 3F

This pump will deliver 60 GPM at 9 feet of static lift.