The Work consists of the installation of granite curbing and concrete and bituminous sidewalks, new and reset granite curbing and drainage improvements on Chestnut Street as generally shown on the contract plans and all work incidental thereto, in accordance with the Specifications herein. The Contractor shall furnish all labor, services, materials, equipment, plant, machinery, apparatus, appliances, tools, supplies, and all other things necessary to do all work required for the completion of each item of the Work and as herein specified. The Work to be done and paid for under any item shall not be limited to the exact extent mentioned or described but shall include all incidental work necessary or customarily done for the completion of that item