Case Studies

• Long Term Flow Monitoring Study, Delaware County PA

  CSL was subsequently selected to install, operate and maintain, collect data, provide meter calibration services, and monthly reporting services for approximately 150 sewer flow meters in the Eastern Delaware County service area of DELCORA.

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• Long Term Flow Monitoring Study, Rahway NJ

  CSL was retained to implement this long term flow metering project involving 28 permanently installed and telemetered sewer flow meters, and 2 rain gauges. All sites are used for billing municipal contributors, so accuracy is essential.

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• Manhole Inspection / Condition Assessment, Honolulu HI

  CSL performed more than 2,000 manhole inspections as part of Brown and Caldwell’s large diameter pipeline inspection program for the City and County of Honolulu (CCH).

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• Long Term Flow Monitoring, Bucks County PA

  CSL has been responsible for operating and maintaining 120 permanently installed flow meters in the BCWSA system since 2003.

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• Combined Sewer Overflow (CSO) Study, Washington DC

  CSL was selected to conduct a Combined Sewer Overflow (CSO) Study involving 70 temporary flow meters for a period of six months.

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• I/I Analysis and SSES, Haddon Township NJ

  CSL installed 7 flow meters and conducted an I/I analysis to determine which areas of the Townships collection system had the most significant extraneous flows during wet weather.

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• Temporary Flow Monitoring Study, Philadelphia PA

  CSL has been performing temporary flow metering services in the PWD system since 2003.

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