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Commercial Roofin� & Sheet Metal Inc. <br />221 Ryan Drive <br />Llttle Ganada, MN. 55117 <br />Phone: 651-483-5?�8 Fax: r"o51-483-5387 <br />June 26, 2012 <br />City of Arden Hills <br />1245 West Highway 96 <br />Arden Hills, MN. 55112 <br />Attention: Joe Mooney <br />RE: 2012 Reroofmg Arden Hills Pump Station <br />1230 Red Fox Road <br />Arden Hills, MM. 55112 <br />Approximately 700 Sq. Ft. <br />Observations: <br />I took a look at the above named project today and completed a survey of the existing system. The roof <br />consists of a ballasted EPDM roofing membrane on 3" of polystyrene roof insulation on a concrete <br />plank deck. The roof edge detail is a canted wood edge with the EPDM extending over the outside edge <br />and aluminum fascia. The membrane is pulling loose at the perimeter and the aluminum flashing is <br />loose in several locations. We would recommend removing the existing membrane and installation of <br />additional insulation and a new membrane and flashings. I have put together a proposal below with our <br />recommendations. <br />Reroofing Proposal. <br />1. Obtain any necessary permits. <br />2. Remove the existing ballast and save for reinstallation. <br />3. Remove and properly dispose of the existing membrane, base flashings and sheet metal flashings <br />and dispose of all materials in an approved landfill. <br />4. Replace any wet or deteriorated roof insulation at a unit price of $1.25 per sq. ft. <br />5. Install an additional layer of 1%2" isocyanurate roof insulation on top of the existing insulation to <br />bring the new R valne to 22.22 meeting current state codes. <br />6. Install additional wood blocking at the roof edge to accommodate the new insulation thickness. <br />7. Stagger all joints in the insulation. <br />8. Install a reinforced fastening strip at the roof edge and curbs. <br />9. Install a new 60 mil EPDM roofing membrane and all related flashings in strict accordance with <br />the manufactures specifications. <br />