Except as specified herein, construct Jointed Plain Concrete (JPC) intersection pavement in accordance with the Department's Standard and Supplemental Specifications, Special Provisions and Special Notes, and Standard and Sepia Drawings, current editions, and as directed by the Engineer. Section references are to the Standard Specifications. Furnish all materials, equipment, labor, and incidentals for: (1) Removing asphalt and/or concrete pavement and replacing with JPC Pavement; (2) Maintaining and controlling traffic; and (3) All other work specified as part of this contract. II. MATERIALS The Department will sample and test all materials according to the Department’s sampling Manual. Make the materials available for sampling a sufficient time in advance of their use, to allow for the necessary time for testing, unless otherwise specified in these notes. A. Maintain and Control Traffic. See Traffic Control Plan. B. Dense Graded Aggregate. Do not furnish Crushed Stone Base in lieu of DGA. C. Jointed Plain Cement Concrete Pavement. Use JPC Pavement 11 IN. At Contractor’s request and at no additional cost to the Department, the Engineer may approve other high early strength rapid setting concrete. The Department will allow either central mixing or truck mixing. D. Joint Sealant. Use hot poured elastic, no alternates. E. Traffic Signal Loops. See Special Notes for Radar Presence Detectors. III. CONSTRUCTION METHODS A. Maintain and Control Traffic. See Traffic Control Plan. B. Site Preparation. Be responsible for all site preparation, including but not limited to, incidental excavation and backfilling; removal of all obstructions or any other items; disposal of materials; sweeping and removal of debris; shoulder preparation and restoration; temporary and permanent erosion and pollution control; final dressing, clean up, and seeding; and all incidentals. Perform all Site Preparation only as approved or directed by the Engineer. C. Pavement Removal. Consider pavement removal locations and dimensions shown on the drawings to be approximate only; The Engineer will determine actual locations at the time of construction and may add to the listed repairs if deemed necessary. The contractor must give the Engineer at least a 7-day notice as to when removal will begin so that the project limits can be marked. Prior to removal, saw-cut existing asphalt and/or concrete pavement at locations directed by the Engineer to provide a neat edge where new concrete will adjoin existing pavement. Remove pavement for full depth repairs by a saw cut and lift method without disturbing the underlying DGA base or damaging the adjacent pavement remaining in place. Do not "pre-saw" more than 24 hours ahead of removal. Liquidated damages will apply 24 hours after sawing. Pre-saw only in locations directed by the Engineer. Do not hammer or break pavement by other means to facilitate removal. Do not oversaw into existing JPC Pavement not intended to be removed. The original nominal depth of the mainline JPC pavement is 11 inch as noted on the typical sections. However, the finished grade will be transitioned to match the adjacent pavement to remain in place. It is intended to not disturb the underlying soil; however, a quantity of DGA, and Geotextile Fabric Class 2, is included for undercutting very poor, soft, wet soils - to be used sparingly and only as directed by the Engineer. Undercutting will not be measured as a bid item and will be considered incidental to the items of work listed above. D. Concrete Pavement Replacement. Prior to pavement removal and placing JPC Pavement, obtain the Engineer’s approval of proposed method of construction for ensuring and establishing a smooth profile. Place the replacement JPC in a continuous operation in accordance with the Traffic Control Plan Phasing and as directed by the Engineer. Construct the replacement JPC Pavement with a minimum depth of 11 inches; however, transition the finished grade to match adjacent pavement that is to remain in place; therefore, the actual thickness of the pavement may be greater than 11 inches in some areas. Consolidate the concrete, strike off, machine finish with a vibrating or roller screed, and straightedge the plastic concrete with a straightedge conforming to Section 501.02.18. Test the profile of the finished pavement with a 12-foot straight edge according to Section 501.03.19. Provide positive drainage upon completion of construction. E. Joint Sealing. Saw, clean, and seal transverse and longitudinal joints as shown on the standard drawings and as directed the Engineer. F. Traffic Signal Loops. See Special Notes for Radar Presence Detectors. G. Disposal of Waste. Dispose of all cuttings, debris, and other waste off the right-ofway at sites obtained by the Contractor at no additional cost to the Department. See Special Note for Waste and Borrow.
