HM Pacific Northwest Inc. 5/18/2023

I 1 If the paving machine in use is not providing the required finish, the Engineer may 2 suspend Work as allowed by Section 1-08.6. Any cleaning or solvent type liquids spilled I 3 on the pavement shall be thoroughly removed before paving proceeds. 4 5 5-04.3(3)D Material Transfer Device or Material Transfer Vehicle I 6 A Material Transfer Device/Vehicle (MTDN) shall only be used with the Engineer's 7 approval, unless otherwise required by the contract. 8 9 Where an MTDN is required by the contract, the Engineer may approve paving without 10 an MTDN, at the request of the Contractor. The Engineer will determine if an equitable II 11 adjustment in cost or time is due. 12 13 When used, the MTDN shall mix the HMA after delivery by the hauling equipment and 14 prior to laydown by the paving machine. Mixing of the HMA shall be sufficient to obtain a 15 uniform temperature throughout the mixture. If a windrow elevator is used, the length of 16 the windrow may be limited in urban areas or through intersections, at the discretion of I 17 the Engineer. 18 19 To be approved for use, an MTV: I 20 21 1. Shall be self-propelled vehicle, separate from the hauling vehicle or paver. 22 2. Shall not be connected to the hauling vehicle or paver. 23 3. May accept HMA directly from the haul vehicle or pick up HMA from a windrow. 24 4. Shall mix the HMA after delivery by the hauling equipment and prior to I 25 placement into the paving machine. 26 5. Shall mix the HMA sufficiently to obtain a uniform temperature throughout the 27 mixture. I 28 29 To be approved for use, an MTD: 30 1 31 1. Shall be positively connected to the paver. 32 2. May accept HMA directly from the haul vehicle or pick up HMA from a windrow. 33 3. Shall mix the HMA after delivery by the hauling equipment and prior to 34 placement into the paving machine. 35 4. Shall mix the HMA sufficiently to obtain a uniform temperature throughout the 36 mixture. 37 38 5-04.3(3)E Rollers I 39 Rollers shall be of the steel wheel, vibratory, oscillatory, or pneumatic tire type, in good 40 condition and capable of reversing without backlash. Operation of the roller shall be in 41 accordance with the manufacturer's recommendations. When ordered by the Engineer I 42 for any roller planned for use on the project, the Contractor shall provide a copy of the 43 manufacturer's recommendation for the use of that roller for compaction of HMA. The 44 number and weight of rollers shall be sufficient to compact the mixture in compliance 45 with the requirements of Section 5-04.3(10). The use of equipment that results in I 2023 FEDERAL OVERLAY FEDERAL AID#STBGUL-2715(011) WO#3788 March 2,2023 SP-76