Binbrook Forcemain Cleaning in City of Hamilton, Ontario


Binbrook Forcemain Cleaning in City of Hamilton, Ontario

Authors:

Gerald Bauer, Stantec Consulting Ltd., Ottawa, Ontario Canada
Dave Alberton, Hamilton Water< br> Donald Young, Hamilton Water

Abstract: The City of Hamilton (City), Ontario, Canada, identified pumping capacity limitations with the Binbrook Wastewater Pumping Station. Hamilton Water retained Stantec Consulting Ltd. in July of 2017 to develop a plan to have the forcemain cleaned by August 1st, 2018 to meet committed development agreements. The rated capacity of the pumping station is 152 l/s, significantly more then the 115 l/s that the station was outputting in July 2017.

The Binbrook PS forcemain is a 9km long 450mm HDPE forcemain that has been in operation since 2001. The station was constructed with a swab launcher, but the forcemain had never been cleaned. The catchment area for the pumping station includes the local residential sanitary flow as well as leachate from a local landfill. The profile of the forcemain varies and include many high points and low points, including a crossing of a body of water.

Through a series of meetings with the City in the fall of 2017, Stantec’s mandate was advanced to restore pumping capacity by April 1, 2018, 4 months ahead of the planned cleaning. In collaboration with the City and Hamilton Water, Stantec created a flexible cleaning program utilizing the available trenchless technology to clean the forcemain utilizing the existing swab launcher. The program was developed and structured to account for the issues, risks and challenges with cleaning the Binbrook PS forcemain. This paper focuses on the lessons learned when instituting a forcemain maintenance program, specifically as they apply to Binbrook Pumping Station forcemain in Hamilton, Ontario.

Publication Date: 2019

Presented at:
NASTT’s 2019 No-Dig Show Chicago, Illinois
March 17-21, 2019 | Paper Number: TM1-T6-03


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