The Contractor shall be required to perform all work enumerated under the different items of the contract and to protect all adjoining property, all Utilities and existing roadway facilities within the Right-of-Way/Site and to repair or replace any such properties, Utilities and facilities damaged or destroyed by him or his employees in performing the work, both within and adjacent to the Right-of-Way/Site. The Contractor's attention is directed to the fact that during the life of this contract the owners and operators of Utilities may make changes in their facilities within the limits of or adjacent to this contract which may be both temporary and permanent. The Contractor shall be responsible for the coordination of the work of his various Subcontractors. Their respective operations shall be arranged and conducted so that delays will be avoided. Where the work of the Contractor, or Subcontractors, overlaps or dovetails with that of other Contractors, materials shall be delivered and operations conducted so as to carry on the work continuously in an efficient and workmanlike manner.