Explanation
1. NEED:
This legislation authorizes the Director of Public Utilities to enter into a professional engineering services contract with DLZ Ohio, Inc. The existing Alum Creek Sanitary Trunk Sewer has had incidences of surcharging during wet weather events. This project will design and construct a relief sewer to be known as the Alum Creek Sanitary Sewer Relief Tunnel. The preliminary phasing of this project is for it to be designed and constructed in four phases (Phases A thru D). Phase A and B will construct the tie-in at the Big Walnut Outfall Sewer on the southeast side of town, and will extend a tunnel north to approximately Broad Street. Phases C and D will continue the design and construction of the tunnel north in the proximity of Morse Road. This contract's scope of service will include the preliminary engineering, detailed design and engineering services for Phases A and B only. This ordinance will fund only the preliminary engineering services for Phases A and B. The Division of Sewerage and Drainage will request additional funding for the detailed design services through contract modifications upon acceptance of the preliminary engineering design report.
2. PROCUREMENT INFORMATION:
The Division of Sewerage and Drainage undertook a successful procurement of the subject contract services in 2003 utilizing the provisions of Section 329.13 of Columbus City Codes. However, an award was postponed until such time as a review of the project, by the City's Sewer Evaluation Capacity Assurance Program (SECAP) consultant could be performed. This analysis has been accomplished and the scope of service for the subject contract has been modified to address specific issues related to specific system capacity issues.
The basis for selection of the chosen professional engineering services firm: The Division advertised Request for Statement of Qualifications (RFSQ's) for the subject services in the City Bulletin in accordance with the provi...
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