Sewer flow analysis method

• US 20030236639A1
• Filed: 03/25/2003
• Published: 12/25/2003
• Est. Priority Date: 03/26/2002
• Status: Abandoned Application

• Current Assignee: ADS Incorporated (Insurity Holdings, Inc.)
• Original Assignee: ADS Incorporated (Insurity Holdings, Inc.)
• Inventors: Curry, Lynn Burton
• Application Number:
  US10/395,392
• Publication Number:
  US 20030236639A1
• Time in Patent Office: Days
• US Class Current: 702/45
• CPC Class Codes: E03F 7/00 Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
• CPC Class Codes: G01F 1/002 wherein the flow is in an open channel

Abstract

A method of analyzing a sewer flow is provided. The method includes the step of calculating a set of graphical depth-versus-velocity curves, wherein each curve includes points having substantially equal volume rate of flow. The method also includes the step of measuring and graphically plotting actual flow depth data as a function of flow velocity data for the sewer flow being analyzed. The method further includes the steps of comparing the calculated curves to the plotted data, and determining sewer capacity performance and whether a sanitary sewer overflow may occur based on a result of the comparing step.

Claims

1. A method of analyzing a sewer flow, the method comprising the steps of:

calculating a set of graphical depth-versus-velocity curves, each curve including points having substantially equal volume rate of flow;

measuring and graphically plotting actual flow depth data as a function of flow velocity data for the sewer flow being analyzed;

comparing the calculated curves to the plotted data; and

determining sewer capacity performance and whether a sanitary sewer overflow may occur based on a result of the comparing step.