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FINAL ACCEPTANCE AND FINAL PAYMENT OF CONTRACT K-1516-72 BY AND BETWEEN THE CITY OF NORMAN, OKLAHOMA, AND CENTRAL CONTRACTING SERVICES, INC., FOR THE WEST MAIN STREET DRAINAGE PROJECT
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BACKGROUND: In an effort relieve the flooding problem along Midway Drive, a portion of the City’s 2008 Drainage Project in the Cambridge Place neighborhood consisted of installing drainage inlets at the low point of Midway Drive and carrying the water in storm water pipelines to the system located in the parking lot of Arbor House. This has helped to alleviate some of the flooding problem along Midway Drive but has not completely solved the problem. The project was designed to complete the upgrade to the Midway Drive stormwater system by upsizing the system at and downstream of the Arbor House.
On May 10, 2016, City Council approved Contract K-1516-72 by and between the City of Norman and Central Contracting Services, Inc., for the West Main Street Drainage Project in the amount of $342,715.
On October 25, 2016, City Council approved Change Order No. 1 to Contract K-1516-72 in the amount of $42,154.40 and a transfer of funds from Norman Utilities Authority, Water Distribution System, Construction (account 031-9360-462.61-01; Project WA0184), to Water Projects, Miscellaneous, Construction (account 031-9395-462.61-01; project DR0012), for replacement of approximately six-hundred (600) feet of the 12-inch waterline, including the waterline to be relocated under the new stormwater pipeline.
On December 13, 2016, City Council approved Change Order No. 2 to Contract K-1516-44, between the City of Norman and Central Contracting Services, Inc., and a transfer of funds in the amount of $58,750 from Bridge Maintenance Program, Construction (account 050-9687-431.61-01; project TC0254) to Havenbrook Bridge Repair, Construction (account 050-9352-431.61-01; project SC0621), for furnishing labor and materials for concrete pavement and sidewalk replacement during repair/reconstruction of the Havenbrook Street Bridge.
On April 14, 2017, Change Order No. 3 to Contract K-1516-44, between the City of Norman and Central Contracting Services, Inc., was approved in the amount of $17,565 from Bridge Maintenance Program, Construction (account 050-9687-431.61-01; project TC0254), for providing the additional labor and material to complete the pavement and sidewalk for the Havenbrook Street bridge portion of this contract. Additional concrete was required to replace panels that had cracked.
Construction activities associated with the West Main Street Drainage Project were completed in November 2017.
On December 5, 2017, final Change Order No. 4 to Contract K-1516-44, between the City of Norman and Central Contracting Services, Inc., was approved in the amount of $15,400 for furnishing additional Class A Concrete for the construction of the concrete channel liner south of Main Street.
DISCUSSION: This project was funded in the FYE 2017 Capital Fund. Total project costs included preliminary and final engineering design services at a cost of $7,760 and construction activities including installation of new water lines, stormwater pipes, a reinforced concrete box culvert under West Main Street, and a concrete channel liner south of West Main Street as well as installation and repair of a damaged retaining wall in a drainage easement to the north of Midway Drive at a cost of $476,584.40. The total actual project cost is $484,344.40.
RECOMMENDATION: Staff recommends acceptance of the West Main Street Drainage Project and authorization of the final payment in the amount of $34,643.47.