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HomeMy WebLinkAbout~Master - Change Order for Boiler Retube engineering services contract RESOLUTION NO. 11-047 RESOLUTION APPROVING CHANGE ORDER NO. 4 FOR BOILER RETUBE ENGINEERING SERVICES CONTRACT FOR THE CITY OF AMES,IOWA WHEREAS,Unit No. 8 at the Power Plant is a 65-megawatt electric generating unit fired by coal and refuse derived fuel (RDF) that was placed into service in 1982; and, WHEREAS, in recent years, Unit 8's boiler has been plagued with tube failures in the lower waterwall and in the superheater sections of the boiler,resulting in numerous forced outages and Unit down time; and, WHEREAS, a plan is in place to address the tube failure issues pertaining to the lower waterwall section of the boiler, and, WHEREAS,a plan also needs to be developed to address the tube failure issues of the superheater section of Unit No. 8 boiler, and the first step is to engage an engineering firm to assist the City in development of a strategy for repair; and, WHEREAS,in 2007,the City contracted with Utility Engineering of Minneapolis,Minnesota,(now known as Zachry Engineering) for engineering services to prepare a scope of work and specifications for Unit No. 8's boiler lower waterwall tube repair/replacement project; ;and, t WHEREAS,this was referred to as Phase I,and Phase II,as an option for Zachry Engineering,had essentially the same scope of engineering work as Phase I,except that it would address the superheater tube failure problems of Unit No. 8 boiler; and, WHEREAS,the original purchase order with Zachry Engineering for Phase I work was for a not- to-exceed amount of$80,000,but subsequently,three change orders have been made to that contract;and, WHEREAS,staff proposes that a contract change order be issued to Zachry Engineering to perform engineering services in developing a scope of work and material and installation specifications for the repair/replacement of the superheater for Unit No. 8 boiler; and, WHEREAS,the engineering services as described will be referred to as Phase II,and this Change Order No.4 will allow Zachry Engineering to complete the engineering for this phase in an amount not to exceed$49,500. NOW, THEREFORE, BE IT RESOLVED by the City Council of the City of Ames, Iowa, that Change Order No. 4 in an amount not to exceed $49,500 with Zachry Engineering of Minneapolis, Minnesota, for Phase II of the boiler retube engineering services contract is hereby approved. ADOPTED THIS 8`''day of February, 2011. Diane R. Voss, City Clerk Ann H. Campbell, Mayor Introduced by: Davis Seconded by: Larson Voting aye: Davis, Goodman, Larson, Mahayni, Orazem Voting nay: None Absent: Wacha Resolution declared adopted and signed by the Mayor this 8`'day of February, 2011.