Explanation
1. BACKGROUND: This legislation authorizes the Director of Public Utilities to enter into a professional engineering services agreement with T & M Associates for the Storm Sewer Large Diameter Condition Assessment (LDCA) Project, in an amount up to $1,097,259.94, for Division of Sewerage & Drainage, Stormwater Section CIP No. 610055-100000.
The City of Columbus Division of Sewerage and Drainage (DOSD) initiated CIP 610055-100000 to determine the debris accumulation and structural integrity of the City's large diameter storm sewer infrastructure. Phase 1 of this Project is approximately 14,750 acres bounded by Cemetery Road to the north, Riverside Drive to the east, Broad Street to the south, and Alton Darby Creek Road to the west.
It is anticipated that approximately 102,200 linear feet of large diameter storm sewer infrastructure will be assessed as part of the current project. Based on existing record plan information, the sewers are constructed of varying materials, with diameters ranging from 38- to 113-inches.
The Community Planning Area: 99 (City-wide)
2. FUTURE MODIFICATION(S): No anticipated Real Estate, construction, or future modifications for this project.
3. TIMELINE: Inspection and assessment work is anticipated to begin in August 2019, with completion of the work/contract occurring in November 2020.
4. ECONOMIC IMPACT/ADVANTAGES; COMMUNITY OUTREACH; PROJECT DEVELOPMENT; ENVIRONMENTAL FACTORS/ADVANTAGES OF PROJECT:
This project will enable the City to systematically inspect and rehabilitate its large diameter storm sewer infrastructure.
5. BID INFORMATION: The selection of the firm providing the professional engineering services has been performed in accordance with the procedures set forth in Columbus City Code, Section 329, "Awarding professional service contracts through requests for proposals." Proposals were opened on February 22, 2019. The Department received five (5) proposals from CDM Smith, Inc.; Hatch & Associates Consu...
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