SUBJECT: Accept Work for Northside Sewer Relief Tunnel Rehabilitation Area No. 5; WBS No. R-002003-0009-4.
RECOMMENDATION: (Summary) Pass a motion to approve the final Contract Amount of $7,192,801.90 or 39.16% under the original Contract Amount, accept the Work. The final payment has already been made by Compromise and Settlement Agreement.
PROJECT NOTICE/JUSTIFICATION: This project was part of the City’s ongoing program for Northside Sewer Relief Tunnel Rehabilitation. It was required to rehabilitate Area No. 5 of the tunnel, which has moderate to severe corrosion, and to protect it from future corrosion.
DESCRIPTION/SCOPE: This project consisted of slip lining approximately 5,100 linear feet of 132-inch monolithically cast in place reinforced concrete sanitary sewer with 120-inch fiberglass reinforced polymer mortar pipe. Binkley and Barfield, Inc. designed the project with 450 calendar days allowed for construction. The project was awarded to Boyer, Inc. with an original Contract Amount of $11,821,662.00.
LOCATION: The Project area is generally bounded by IH-10 on the north, Buffalo Bayou on the south, Japhet Street on the east, and Bayou Road on the west in the Key Map Grids 494J, 494K and 494L.
CONTRACT COMPLETION AND COST: The Contractor, Boyer, Inc., has completed a portion of the work under the subject Contract which has been terminated. The portion of the project was completed beyond the established completion date with additional 111 days approved by Change Orders No. 1, 2 and 3. The cost of the project, including overrun and underrun of estimated unit price quantities, previously approved Change Orders No. 1, 2 and 3 and the settlement amount is $7,192,801.90 a decrease of $4,628,860.10 or 39.16% under the original Contract Amount.
The City notified Contractor of the City’s intention to close the project by letter dated August 30, 2013.
MWBE/SBE PARTICIPATION: The MWBE/SBE goal established for this project was 21%. According to Office of Business Opportunity, the participation was 16.17%. Contractor’s MWBE/SBE performance evaluation was rated Satisfactory.