Specifications include, but are not limited to: 2.1 Contractors must assume the responsibility to examine all sections of the drawings to determine the full extent of the work. Contractors shall verify dimensions in the field, as required and examine existing job conditions and adjoining construction which may affect the acceptability of this work. 2.2 Protect building from unauthorized intrusions at all times. Provide secure temporary enclosures for all building openings at the end of each workday. 2.3 The Contractor shall comply with manufacturers' recommendation on environmental conditions at the time of application of the work. 2.4 Install all materials supplied for this project in accordance with the drawings and the manufacturers' instructions. 2.5 The Contractor shall deliver, to the Owner, all items which have been designated to be salvaged and are to be retained by the Owner. All other items not designated by the Owner shall become the property of the Contractor, who shall dispose of it in an approved manner.