Specifications include, but are not limited to: Remove existing construction as specified and shown. Perform removal in a manner that will minimize dust, noise, and other nuisance. Maintain haul routes for disposal of materials clean and free of debris. Protect existing facilities from damage by falling debris, dust, and construction operations. Perform demolition operations in a manner that in no way endangers personnel, public, existing structures, utilities, roadways, or facilities not to be demolished. Contractor shall be responsible for damage to personnel, public, roadways, streets, structures, utilities, facilities and equipment caused by operations and shall repair damage at its own expense or replace items damaged beyond repair. Perform work in a manner that will provide the least interference and most protection to the public and existing construction. Materials to be removed will not be permitted to accumulate on site. Contractor shall remove all demolition materials. Any portion of existing construction whether structural, or accessory, that has become unstable through removal of other parts of construction, shall be removed as soon as practicable, and no such unstable part shall be left freestanding or inadequately braced against causes of collapse at the end of each day's work.