Specifications include, but are not limited to: The removal of the existing roofing system. Evaluate the roof sheathing with replacement as necessary using like materials or materials approved by the Project Manager. Benton County would like to retain the historic stamped roofing tiles if possible. Have replacement roofing materials manufactured for a like replacement and review by the Oregon State Historic Preservation Office and Corvallis Historic Resources Commission. Install roofing underlayment as needed. Install appropriately 1,500 square feet of stamped roofing. Install approximately 8,000 square feet of raised seam roofing. Evaluate gutter system, make recommendations for repairs. Prior to work start, provide owner with a written site safety plan to include public signage, security camera coverage and lighting. Prior to work start, provide owner with a landscaping protection plan. Prior to work start, provide owner with a written materials list/plan to include materials, colors, fasteners, and underlayment.