Specifications include, but are not limited to: Remove and dispose of existing shingles. Trash removal and all associated costs are the responsibility of the Contractor. Replace any rotten roof decking with the consent of the Owner prior to repairing. Contractor to provide an agreed upon "price per sheet" for repairs to sheathing. Replace existing step and counter flashing with pre-finished .032 aluminum flashing. Do not mix with, or come in contact with, existing copper flashing. Replace all apron flashing at roof/wall connection of lower roof; pre-finished .032 aluminum around lower tier. Replace any siding and trim disturbed during flashing replacement with similar material and paint using paint furnished by Contractor, prime and two coats.