Specifications include, but are not limited to: Provide all labor, equipment, and miscellaneous materials to install District purchased and furnished roofing materials over the properly prepared substrate. Roof Membrane Installation: 1. Remove the existing roof system to the structural deck. 2. Repair any damaged decking as required. Contractor to include 10% deck replacement in the base bid. If the amount of deck replacement exceeds 10%, the contractor is to receive a change order equal to the unit price for deck replacement per sq ft multiplied by the sq ft in excess of the base bid amount. If the amount of deck replacement is less than 10%, the contractor is to provide a credit to the District equal to the unit price of deck replacement per sq ft multiplied by the sq ft less than the base bid amount.