Explanation
1. NEED:
This legislation authorizes the Director of Public Utilities to enter into a professional engineering services contract with DLZ Ohio, Inc. This contract will provide for the preparation of construction plans and specifications for the Olentangy-Scioto-Interceptor-Sewer (OSIS) Augmentation Relief Sewer, Whittier Street to the Jackson Pike Wastewater Treatment Plant.
Once constructed, this relief sewer will significantly reduce the City of Columbus's largest Combined Sewer Overflow (CSO). The work will include the construction of a large diameter conduit approximately 15,000 lineal feet long, depending on the final alignment. The project will begin at the Whittier Street Storm Tanks by connecting to the OSIS. The sewer will then cross the Scioto River, on the upstream side of the Greenlawn Dam, and then turn south to the Jackson Pike Wastewater Treatment Plant. The work will include provisions for the controlled storage and release of the combined sewer flows to pumping facilities and/or treatment facilities. This project is necessary for the City of Columbus to become compliant with the terms set for in the Combined Sewer Overflow (CSO) Consent Order between the City of Columbus, Ohio and the State of Ohio.
2. PROCUREMENT INFORMATION:
The basis for selection of the chosen professional engineering services firm: The Department of Public Utilities advertised a Request for Proposals (RFP's) for the subject project professional engineering services, in accordance with the provisions of Section 329.14 of Columbus City Codes. Four firms submitted qualifications to the Director of Public Utilities on Friday, May 6, 2005 (SEE ATTACHED LEG. INFO). An Evaluation Committee ranked all of the offerrors based upon the criteria specified within the advertised RFP.
These proposals were reviewed and ranked by a Professional Engineering Services Selection Committee in order to determine the consultant best qualified to provide the servic...
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