Change Order No 12 - Erskine Clubhouse Renovation Project No 116-108 - Ziolkowski Construction Inc

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INTER -OFFICE MEMORANDUM DEPARTMENT OF PUBLIC WORKS DIVISION OF ENGINEERING TO: Linda M. Martin, Clerk Board of Public Works FROM: Kyle Silveus SUBJECT: Change Order No. 12 DATE: May 7, 2019 nw.errie uaraour 2avxr:r: mn.w.r: n rrrcuvra a.r rwr.rammrua wramauutmu rra,oeaaex;uiwwrro s:nm a munwr:� rtdun¢�wa m ikraAm!awrcmimsropdarcnrwvra mvrmsrp-vusro :.nrnve :xrc reerurrir rmw Erskine Clubhouse building located at 4200 Miami Street is a currently being renovated. Interior repairs include new HVAC systems, plumbing and electrical systems, restroom upgrades, interior finish upgrades, walls and ceilings. Exterior repairs and site improvements include a new concrete ramp, window and door upgrades, replacement of the north porch slab, gutter repair, exterior trim repairs, a new roof and a modification of the cart path layout. The project has encountered numerous unforeseen conditions that were not reasonably foreseen during the design phase and is going beyond 20% of the contract value. Items include the discovery of lead paint on the concrete floor below existing carpet in the basement, asbestos in the adhesive of VCT in the main area of the clubhouse (below carpet), and most recently the discovery of two Underground storage tanks containing gasoline and fuel oil. There have also been several items that were added to the project. Some items were identified after the project was bid that made sense to include in the current project. With the latest change order that includes Fuel Tank and Oil tank underground storage fuel removal, wood floor repair, and exterior concrete stair replacement (Severely deteriorated concrete hidden by carpet and thin overlay), 11.4% of change orders resulted in unforeseen conditions and 10% resulted in "extras" or items that could arguably have been foreseen during the design phase. Engineering requests the approval of Change Order 12, for $9,811.00 that will increase the total of unforeseeable and foreseeable percentage of change orders at it relates to the contract value to 21.43%. Please call with your questions.