Monitoring Sewage Flow is a critical tool for local governments, for water and waste-water utilities and for industrial plants. Sewage monitoring can prevent environmental disasters such as sewage overflow within populated neighborhoods or excessive waste flow into local lakes, rivers or sea. Sewage monitoring is also an important tool for short term and long term planning of the sewers infrastructure. Short term refers to just-in-time and cost effective maintenance. For example, sending the technical team to...
The Township of South Glengarry installs a new Greyline AVFM 5.0 Area-Velocity Flow Meter to measure continuous discharge from their municipal sewage lagoon. The sealed ultrasonic sensor is mounted in a horizontal 12` PVC pipe. The AVFM replaced a magnetic flowmeter that was unable to measure seasonal low flow rates.
In sewage treatment plants, flow sensors are primarily installed for internal reasons. Ultrasonic flow meters are used to control the flow velocity in partially filled and fulfilled pressurized pipes, specific plant components, for leak detection or to control the use of additives. International regulations such as the EU-Directive for handling municipal waste water require flow metering for a continuous surveillance of waste water flow. Defective flow monitoring in sewage-treatment plants can therefore influence...
Greyline AVFM Area-Velocity Flow Meters are installed thoughout the country by Teletronic Denmark to monitor municipal sewage and stormwater. Application photos and descriptions illustrate flow monitoring in manholes and open channels.
The Glen Walter Sewage Collection System was built to service 1080 customers in 1989. At the time the population was 850 but by 1995 the sewage treatment plant had already reached capacity. Shawn Killoran took over the Operations Manger position in 1999 and, along with the Mayor and Council, he immediately had concerns about the excess flow.
Sewer Meters monitor sewage level and flow within the sewers. Benefits gained by sewer monitoring include:
(1) Detection of overflow conditions before overflow occurs thereby preventing hazardous environmental events.
(2) Detection of blocked sewer pipes, allowing quick and focused maintenance thereby reducing maintenance costs.
(3)Detection of over-used and under-used pipes for long term municipal planning.
(4) Monitoring of sewage flow in sensitive sites such as flow to the river or sea.
(5) Estimation of...