City of Columbus - File #: 0686-2011

• File #: 0686-2011
• Version: 1
• Type: Ordinance
• Status: Passed
• File created: 4/22/2011
• In control: Public Utilities Committee
• On agenda: 6/6/2011
• Final action: 6/8/2011
• Title: To authorize the Director of Public Utilities to modify a professional engineering services contract with Burgess & Niple, Inc. for the West Fifth Avenue Area Sanitary Sewer System I/I Remediation Study Project; to authorize the transfer and expenditure of $1,068,458.03 from the Sanitary Sewer Build America Bonds Fund; and to amend the 2011 Capital Improvements Budget. ($1,068,458.03)

Date	Ver.	Action By	Action	Result
6/8/2011	1	CITY CLERK	Attest
6/7/2011	1	MAYOR	Signed
6/6/2011	1	Columbus City Council	Approved	Pass
6/6/2011	1	COUNCIL PRESIDENT	Signed
5/23/2011	1	Columbus City Council	Read for the First Time
5/12/2011	1	Utilities Drafter	Sent to Clerk's Office for Council
5/11/2011	1	CITY ATTORNEY	Reviewed and Approved
5/10/2011	1	ODI DIRECTOR	Reviewed and Approved
5/10/2011	1	Utilities Drafter	Sent for Approval
5/9/2011	1	EBOCO Reviewer	Sent for Approval
5/6/2011	1	FINANCE DIRECTOR	Reviewed and Approved
5/6/2011	1	Utilities Drafter	Sent for Approval
5/6/2011	1	Auditor Reviewer	Reviewed and Approved
5/6/2011	1	CITY AUDITOR	Reviewed and Approved
5/6/2011	1	Utilities Drafter	Sent for Approval
5/4/2011	1	Finance Reviewer	Reviewed and Approved
5/4/2011	1	Finance Reviewer	Reviewed and Approved
5/4/2011	1	Finance Reviewer	Reviewed and Approved
5/2/2011	1	Utilities Reviewer	Sent for Approval
5/2/2011	1	UTILITIES DIRECTOR	Reviewed and Approved
5/2/2011	1	Utilities Drafter	Sent for Approval
4/29/2011	1	Utilities Reviewer	Reviewed and Approved
4/27/2011	1	Utilities Drafter	Sent for Approval
4/26/2011	1	Utilities Drafter	Sent for Approval
4/26/2011	1	Utilities Reviewer	Reviewed and Approved

Explanation

A. Need. This legislation authorizes the Director of Public Utilities to modify the professional engineering services contract with Burgess & Niple, Inc. for the West Fifth Avenue Area Sanitary Sewer System I/I Remediation Study Project. The contract modification amount requested is $1,068,458.03. The contract total including this modification is $4,458,028.59.

The consultant has performed one year of flow monitoring for the development and calibration of the new sewer system model, and has performed field investigations of the sewer system including: the inspection of approximately 130,000 lineal feet of sewer pipe and 600 manholes, and the dye testing of 50 residences and 2000 lineal feet of storm sewers. In addition, the consultant has evaluated the sewer system using the new model and developed recommendations for the mitigation of Designed Sewer Relief (DSR) activations within the area to the 10 year level of service in accordance with the City's Wet Weather Management Plan.

The consultant will optimize the recommended alternatives using the newly adopted Asset Management principles of Triple Bottom Line analysis in a Business Case Evaluation. This process will evaluate the total costs of ownership of the recommended alternatives over a specified life cycle to ensure the City is selecting lowest net present value alternative. The consultant will also evaluate the capacity of portions of the existing storm sewer system within the project area since it was identified during initial field investigations that poor drainage is contributing to the I/I within the system. In addition, the consultant will perform detailed design of the recommended improvements to the 30% development level to ensure that the recommended improvements can be constructed as intended without encountering utility conflicts, easement acquisition issues, etc. Finally, the consultant will coordinate with the developer, and the developer's representatives, for the r...