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ARDEN HILLS CITY COUNCIL WORKSESSION - SEPTEMBER 17,2001 4 . City Hall Construction Project - Waterproofing System City Administrator Lynch provided a summary of a meeting held on Friday, September 14, 2001 with Architectural Alliance, Rochon Construction and City staff, regarding the City Hall construction project. Of major concern, and causing extensive construction delays, is the failure of the waterproofing system and cost allocation for replacement and/or corrections. City staff maintains that the City is not liable for the replacement of the waterproofing material, with the exception of an additional approximate $80,000 in value-added for additional tiling and/or drainage boards around the foundation. Mr. Lynch presented three options to the City Council for their consideration: Option A Removal and replacement of existing waterproofing system as specified; or Removal and replacement of existing waterproofing system with same material and cost sharing; or Removal and replacement of existing system as specified with grout to fill the north, ease and a portion of the south wall. Option B Option C On an additional note, Mr. Lynch advised Councilmembers that the City would need to vacate the temporary City Hall facility by October 31, 2001, in order to allow the landlord to retrofit the building for the next tenant. . Mayor Probst stated that a fourth option existed as per the contract, to hire another contractor to complete the project and back bill Rochon Corporation. Mr. Lynch advised that Mr. Wellman of Rochon Corporation stated that he would not honor the Contract Change Directive, and had previously requested a thirty- (30) day contract extension. Mayor Probst expressed his concern regarding the contractor's apparent lack of management of the project, with numerous punch list items remaining incomplete on his last site inspection; the building being left unsecured; and questionable quality control on the project. Mr. Scherbel stated that he had expressed concerns from construction start regarding the basement drainage issue. He addressed these concerns to Rochon's construction supervisor at a construction meeting when he addressed the heavy clay soils in Arden Hills, and the need for the contractor to accommodate drainage accordingly. Mr. Scherbel pointed out that a substantial portion of the cost of the proposed approximate $50,000 was for removal and replacement of mechanicals and the screen wall to allow for waterproofing excavation. . City Attorney Filla stated that the standard construction contract used for this project anticipated changes in work, and further states Change Orders are to be approved by the architect, contractor and the City. Mr. Filla stated that since the architect and the City have approved this Contract Change Directive, it does not need approval by the