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The additional rehabilitation, renewal, or reinforcement projects involved:
Tank Maintenance and Upgrade Program Extends Service Life
- Kerlin Street Bridge, Upland Borough to City of Chester: The final phases of a project to rehabilitate and renew a 20-inch-diameter cast
iron main (circa 1888) from Upland into Chester were completed. The project involved capping of the existing main on the Upland side of the
Chester creek and attachment of 320 feet of renewal 12-inch-diameter ductile-iron water main to the Kerlin Street bridge structure
(substantially completed in 2013), and installation of 600 feet of renewal 16-inch-diameter ductile iron water main. This work was
substantially completed in December, 2013, but the new main was not placed in service until 2014. At that time, a CWA Distribution
construction team tied into the end of that pipe and extended a renewal 20-inch-diameter ductile-iron water main south to Finland Drive.
Project costs: $935,000 (Engineering and contracting fees); $150,000 (Distribution)
- Pancoast Avenue and Wellington Avenue, Aston Township, Delaware County: Approximately 1,400 feet of cast iron water main that was prone
to serious and substantial water main breaks was replaced with 6- and 8-inch diameter ductile iron main on these streets.
Project cost: $375,000
- Rosedale Road, Kennett Township: Approximately 2,700 feet of 8-inch diameter ductile iron water main was installed to provide a redundant
feed to a residential development and a substantial part of CWA's local distribution system.
Project cost: $310,000
CWA's treated water storage facilities - 19 distribution storage tanks totaling 105.8 million gallons - are a critically important component in the
Authority’s consistent ability to meet customer demand for quality water. Accordingly, the Authority has a proactive upgrade and maintenance program for
the tanks and facilities, including periodic interior and exterior repair and re-coating of concrete and steel tanks, phased installation of a mixing
system in the tanks to prevent water stratification, and safety and security improvements. The rehabilitation and upgrade program cost-effectively and
significantly extends the service life of these storage facilities.
In 2014, the Engineering Department initiated or completed work on the following projects:
- Oxford Summit (Lower Oxford Township, Chester County): Exterior and interior rehabilitation of 2.5-million-gallon capacity steel tanks No. 1
(completed) and No. 2 (in progress in 2015);
project cost $1.2 million
- Village Green Tank Farm (Aston Township, Delaware County): Exterior rehabilitation of 10-million-gallon capacity concrete tank No. 2 and
exterior and interior rehabilitation of tank No. 3 including installation of mixing system and ground-level shell manholes (completed);
project cost $1.7 million
- Project design completed for exterior and partial interior rehabilitation and mixing system in 11-million-gallon capacity steel tank No. 1
- Norway Tank (Kennett Township, Chester County) : Project design completed for exterior rehabilitation, ground-level shell manhole, and mixing
system in 1-million-gallon concrete tank.
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