Loading...
HomeMy WebLinkAbout~Master - Awarding a Contract for the Digester Cover Repairs to Shank Constructors, Inc. RESOLUTION NO. 20-198 RESOLUTION AWARDING A CONTRACT FOR THE DIGESTER COVER REPAIRS TO SHANK CONSTRUCTORS, INC., FOR THE CITY OF AMES,IOWA WHEREAS, the City's Water Pollution Control Facility (WPCF) utilizes two primary digesters and one secondary digester to treat and store biosolids prior to disposal by land application; and, WHEREAS, on August 30, 2019, an incident occurred that resulted in damage to the cover of Primary Digester Number Two,and with the Secondary Digester out of service for improvements, staff was utilizing the Primary Digester Number Two as a Primary Digester and Primary Digester Number One as a secondary digester; and, WHEREAS, the overflow line used to transfer sludge between the two digesters plugged, causing pressure to build up in Primary Digester Number 2 and that pressure caused the cover to rise, breaking welds and bending steel plates that hold the cover in place; and, WHEREAS, on October 24, 2019, an inspection was performed by Walker Process Equipment,the digester cover manufacturer,and a detailed report of the damage to the digester cover and recommendations were given to staff; and, WHEREAS,during the time when this incident occurred,the Digester Improvements Phase II Project was taking place and City staff worked with the primary contractor on-site (Shank Constructors),the project consulting engineer(Strand Engineering)and Walker Process Equipment to develop a solution to restore the digester cover to is original condition; and, WHEREAS, Shank Constructors provided a Time-and-Material not-to-exceed cost of $244,13 8 for the work; and, WHEREAS, on January 9, 2020, a representative with Chubb Insurance visited the Water Pollution Control Plant to evaluate the incident, and confirmed coverage for $244,057 of the $244,138 cost proposal provided by Shank Constructors, subject to a $100,000 deductible; and, WHEREAS, Chubb Insurance will not cover $20,081 associated with the digester level indicator replacement and these level indicators are critical to the Plant operation and the replacement is necessary; and, WHEREAS,had the level indicators been operational,it is possible that the problem might have been detected sooner; and, WHEREAS, the City intends to pay for 100% of the work and be reimbursed by Chubb Insurance at the completion of the project for the payment less the deductible for a total reimbursement amount of$124,057; and, WHEREAS,insurance claims are exempt from the formal competitive bidding process,and the cost and approach for the work had been reviewed by City staff and the consulting engineers,and determined to be reasonable; and, WHEREAS, City staff intends to track the time and materials daily and have weekly meetings to come to an agreement on the hours and material costs; and, WHEREAS, the Water Pollution Control Facility Digester Improvements Phase II Project budget has been revised to include this cost. NOW, THEREFORE, BE IT RESOLVED by the City Council of the City of Ames, Iowa, that the contract for the digester cover repairs to Shank Constructors, Inc., of Minneapolis, Minnesota, in the amount of$244,138 is hereby approved. ADOPTED THIS 28`h day of April, 2020. Diane R. Voss, City Clerk John A. Haila, Mayor Introduced by: Betcher Seconded by: Martin Voting aye: Beatty-Hansen, Betcher, Corrieri, Gartin, Junck, Martin Voting nay: None Absent: None Resolution declared adopted and signed by the Mayor this 28' day of April, 2020.