Section 510 Section 510 the gallon for resin. Catalyst will not be measured for separate payment.
510.05 Basis of Payment. Graded aggregate and resin, m easured as provided above, will
be paid for at the contract unit price per cubic foot of aggregate and gallon of resin, which price shall be full compensation for all surface preparation, cleaning, priming, placing of polymer concrete, disposal of all surplus material; and for all materials, equipment, tools, labor and incidentals necessa ry to complete the work. Payment will be made under: 510-A: Graded Aggregate - per cubic foot 510-B: Resin - per gallon SECTION 511 - PREROLLING EXISTING PAVEMENT
511.01 Description . This work consists of prerolling existing pavement to determine
construction procedures required under other provisions of the contract.
511.02 Blank .
511.03 Construction Requirements .
511.03.1 Equipment . The roller shall consist of a si ngle-axle trailer-type roller or a
loaded truck having a single rear axle. The ax le shall be loaded to a gross weight equal to or greater than the maximum legal load for a tandem axle on the highway on which the project is located but not to exceed 25 tons , and the Contractor sh all provide the means necessary for the Engineer to determine that these weight requirements are being met. The wheels shall be equipped with pneumatic tires capable of being inflated to a minimum inflation pressure of 100 psi. Tires may contain liquid if the Contractor so desires. The Contractor shall provide the Engineer with verification of gross axle weight and tire pressures. If a trailer type roller is used, it shall be towed by a rubber tired prime mover capable of maintaining a speed of two miles per hour. The prime mover with roller attached shall be capable of executing a 180° turn within a width of 30 feet.
511.03.2 Protection . Rolling shall be conducted so as to avoid damage to existing
structures and features designated to remain. Damage to such structures and features shall be repaired or the items replaced, in kind, at no additional cost to the State. The loaded roller shall not encroach upon bridge end pavement or, in the absence of bridge end pavement, within 20 feet, or greater distance when directed, of bridge abutments except under specific authority granted to cross a bridge. Live loadings on any bridge shall not exceed the statutory loading permitted on the bridge except the Department may consider an overload permit for individual cases. All pertinent information, including proposed frequency and size of loadings and type and exact location of bridges shall be furnished the Department in order that a comprehensive study may be made. Loading limits on bridges under the jurisdiction of agencies other than the Department are set by the agencies, independently of statutory limits and the Department.
511.03.3 Construction Methods . The sequence of rolling and the operating speed of the
roller shall meet the approval of the Engineer. A roller coverage is defined as a single pass over a single traffic lane. Generally, one coverage will be sufficient to determine slabs requiring treatment. Extra coverages may be required when necessary to confirm slabs to be treated. It is the intent of this specification to hold the rolling operation to a minimum, and rolling coverages considered unnecessary by the Engineer are to be omitted. Prerolling may begin as early as 4:00 A.M. and continue as long as the surface temperature of the pavement remains below 85°F. The above work shall be included and correlated with the general sequence of operations set out in Subsection 403.03.5.2.
511.04 Me thod of Measurement . Prerolling will be measured by the square yard. The
area of prerolling will be computed by using the horizontal length along the centerline of the roadway and the width, unless otherwise specified, of the concrete pavement in or under the traffic lane being prerolled. Only areas designated by the Engineer to be rolled will be measured for payment. Preliminary and stability testing as provided in Section 512 will not be included in measurement for prerolling.
511.05 Basis of Payment . Prerolling will be paid for at the contract unit price per square
yard, which shall be full compensation for completing the work. Payment will be made under: 511-A: Prerolling - per square yard SECTION 512 - PRESSURE GR OUTING CONCRETE PAVEMENT
512.01 Description . This work consists of locating unstable concrete pavement, drilling
of holes and the pumping of a slurry type grout mixture to stabilize and underseal the pavement. The grout mixture shall form a hard and insoluble mass that will effectively fill the voids. Pavement that remains unstable after an initial undersealing and stabilizing attempt shall be re-grouted as directed by the Engineer. When an asphalt overlay is required, it shall be the Contractor's responsibility to schedule operations in such a manner that the first cour se of overlay will be placed at the earliest practicable time and no later th an fourteen days after the pavement has been stabilized. When designated on the plans, this work shall also consist of drilling holes in the shoulder adjacent to cracks at the edge of the pavement and the pumping of a slurry type grout