Trinity Contractors, Inc 3/1/2017

I 1 2 When specified in the Contract, provide reference lines for vertical control. I3 Place reference lines on both outer edges of the Traveled Way of each 4 Roadway. Horizontal control utilizing the reference line is permitted. 5 Automatically control the grade and slope of intermediate lanes by means of I 6 reference lines or a mat referencing device and a slope control device.When 7 the finish of the grade prepared for paving is superior to the established 8 tolerances and when, in the opinion of the Engineer, further improvement to I 9 the line, grade, cross-section, and smoothness can best be achieved without 10 the use of the reference line, a mat referencing device may be substituted for 11 the reference line. Substitution of the device will be subject to the continued I12 13 approval of the Engineer. A joint matcher may be used subject to the approval of the Engineer. The reference line may be removed after completion of the 14 first course of HMA when approved by the Engineer. Whenever the Engineer I15 16 determines that any of these methods are failing to provide the necessary vertical control, the reference lines will be reinstalled by the Contractor. 17 18 Furnish and install all pins, brackets, tensioning devices, wire, and accessories I19 necessary for satisfactory operation of the automatic control equipment. 20 21 If the paving machine in use is not providing the required finish, the Engineer I 22 may suspend Work as allowed by Section 1-08.6. 23 24 5-O4.3(3)D Material Transfer Device or Material Transfer Vehicle I 25 Use a material transfer device (MTD) or material transfer vehicle (MTV) to 26 deliver the HMA from the hauling equipment to the paving machine for any lift 27 in (or partially in) the top 0.30 feet of the pavement section used in traffic I 28 lanes. However, an MTD/V is not required for HMA placed in irregularly 29 shaped and minor areas such as tapers and turn lanes, or for HMA mixture 30 that is accepted by Visual Evaluation. At the Contractor's request the Engineer I 31 32 may approve paving without an MTD/V; the Engineer will determine if an equitable adjustment in cost or time is due. If a windrow elevator is used, the 33 Engineer may limit the length of the windrow in urban areas or through 34 intersections. I35 36 To be approved for use, an MTV: 37 I 38 1. Shall be a self-propelled vehicle, separate from the hauling vehicle or 39 paver. 40 I 41 2. Shall not connected to the hauling vehicle or paver. 42 43 3. May accept HMA directly from the haul vehicle or pick up HMA from a I 44 45 windrow. 46 4. Shall mix the HMA after delivery by the hauling equipment and prior I 47 to placement into the paving machine. 48 49 5. Shall mix the HMA sufficiently to obtain a uniform temperature 50 throughout the mixture. 51 52 To be approved for use, an MTD: I I AMENDMENTS TO THE 2016 STANDARD SPECIFICATIONS BOOK Revised: 8/1116