R2003-40 AUTHORIZING THE EXECUTION OF AN AGREEMENT

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COUNCIL COMMUNICATION FORM Engineering & Infrastructure Memorandum NO. 2003-10 March 21, 2003 TO: Honorable Mayor Howley and City Council FROM: Steve Garman, City Manager Stephen Swanson, P.E.,Director of Engineering & Infrastructur�� Matthew C. Newell, P.E., City Engineer yl,�iV� SUBJECT: Municipal Parking Garage B Structural Repairs, City Project 2002-13 SUMMARY RECOMMENDATION: Staff recommends that the City Council approve an Engineering Services Agreement with Blank, Wesselink, Cook & Associates, Inc. (BWC) for a fee not to exceed $16,400 to design structural repairs for City Parking Garage B located, on the northwest corner of Water and North Streets. BACKGROUND: Regular inspections of Parking Garage B have shown the progressive deterioration of the structure largely due to water intrusion into the parking decks and the main support columns. With the added use the garage is seeing as a result of ADM parking on the upper levels, the need for structural repair is becoming increasingly necessary. Over the summer of 2002, a small patch of concrete broke off the structure and onto the 3rd floor parking deck. While the damage was not significant, staff retained BWC on an emergency basis to perform a preliminary structural review of the garage in order to determine if significant problems existed. BWC's report confirmed the need to begin addressing drainage issues facing the garage. The repair needs include sealing the fourth floor with a polyurethane membrane, installing additional drain inlets, and repairing concrete deterioration on the decks and columns of the structure. City staff proposes to have BWC perform the design work necessary to quantify the repair needs and prepare the necessary bid documents to allow the City to solicit bids for the work.