11831 AIRPORT RD WHOLE SITE FILE 2020-01-21

5. All sawcuts shall be cleaned with a 1000 psi high pressure washer as certified by the manufacturer's label on the machine or as measured by an in line pressure gauge. Wash water and slurry shall be vacuumed out and the sawcut shall be blown dry with compressed air. Disposal of the wash water and slurry shall comply with the requirements of Section 1-07.5(3) and the Special Provision LEGAL RELATIONS AND RESPONSIBILITIES TO THE PUBLIC. 6. Loops shall be installed after grinding and prior to the final lift of roadway surfacing material. 7. The conductor shall be installed one turn on top of the previous turn. All turns shall be installed in a clockwise direction. The conductors shall be secured to prevent floating with 2-inch lengths of high temperature foam backer rod sized for a snug fit. The backer rod shall be spaced at 2-foot intervals around the perimeter of the sawcut and at corners. 8. Installation of the sealant shall completely encapsulate the loop conductors. A minimum of one inch of sealant shall be provided between the top of the conductors and the top of the sawcut. The top of the sealant shall be flush to 1/8 inch below the top of the sawcut. 9. Use of kerosene solvent is prohibited. 8-20.3(14)C Preformed Loops Where indicated in the Plans, detector loops shall be preformed. Preformed detector loops and homeruns located in bridge roadway slabs shall be supported at a depth of 1 to 1-1/2 inches below the finished grade and one inch minimum above the top layer of steel reinforcing bars. Preformed detector loops and homeruns shall be supported by metal or plastic chair supports conforming to Section 6-02.3(24)C. The loops shall be supported every 12 inches at a minimum. Loops and homeruns shall be tie wrapped and anchored so that they remain at a depth 1 to 1-1/2 inches below the finished grade and one inch minimum above the top layer of steel reinforcing bars. Preformed detector loops and homeruns located in cement concrete pavement, outside of bridge roadway slabs, shall be supported at a depth of four to six inches below the finished grade with plastic chair supports meeting the requirements of Section 6-02.3(24)C. The loops shall be supported every 12 inches at a minimum. Loops and homeruns shall be tie wrapped and anchored with epoxy coated rebar stakes so that they remain at a depth four to six inches below the finished grade. Epoxy coated rebar stakes shall be driven a minimum of four inches into the subgrade. Preformed detector loops and homeruns located in hot mix asphalt shall be installed after all grinding and prior to paving the final lift of asphalt. 1. Round sawcuts shall be six feet in diameter and shall be constructed using equipment designed for cutting round loops. The equipment shall use a concave, diamond-segmented blade. The sawcut shall be normal to the pavement surface and shall be a minimum of 0.1 inches wider than the preformed detector loop. The sawcut depth shall be a minimum of one inch and a maximum of 24 Swift II BRT Boeing to Canyon Park Station—Traffic Signal 90%Special Provisions—12/1/2016