4−53f. Site Clean Up. The contractor shall uncover and unseal all drainage openings and clean any covers or grates that the cover aggregate and rubberized asphalt may have adhered to, and shall remove any excess material in areas such as driveways, gutters, and intersections as specified by the Engineer. The contractor shall, on a daily basis, remove any debris associated with the performance of the work.
g.Traffic. Traffic will not be permitted on the surface until the rubberized asphalt binder has cured sufficiently to minimize any dislodging of cover aggregate. The pilot car shall be used to guide and control speed of traffic. The contractor shall be responsible for any damage done to vehicles as a result of the operation. Any damage to the rubberized asphalt chip seal shall be repaired by the contractor, to the satisfaction of the Engineer and at no additional cost to the State.
h.Post Placement Sweepings. There shall be post placement sweepings at the following times:
1.Seven to ten days after the rubberized asphalt chip sealing operation; 2. Three to five weeks after the rubberized asphalt chip sealing operation; 3. At the end of the first winter after the rubberized asphalt chip sealing operation. For each sweeping, all loose cover aggregate shall be removed from the pavement surface, including the shoulders. The accumulations of sweepings shall be collected and properly disposed off-site.
412.04 METHOD OF MEASUREMENT. “Rubberized Asphalt Chip Sealing” will be measured by
the number of square yards of rubberized asphalt chip seal completed in place in accordance with the contract or as directed by the Engineer.
412.05 BASIS OF PAYMENT. The accepted quantities of “Rubberized Asphalt Chip Sealing” will
be paid for at the contract unit price per square yard of the type and application rate specified. The price so-stated shall constitute full and complete compensation for traffic control and pilot car; mobile phones; surface preparation; furnishing, transporting, handling, placing and rolling the material specified; initial sweeping and removal of excess aggregate; site clean up; furnishing of all labor, tools, equipment and incidentals for the satisfactory completion of this item; and all other work not specifically identified in the Contract Provisions as separate items of work. The shim course, including tack coat, and each post placement sweeping will be paid for under separate items in the contract. Ten percent of the total amount due the contractor will be withheld until the final sweeping and at least 60 days after all the rubberized asphalt chip seal locations have been open to traffic and it has been determined that the rubberized asphalt chip seal is performing satisfactorily. SECTION 413 [SECTION NOT USED] 4−54 SECTION 414 WARM MIX ADDITIVE
414.01 DESCRIPTION . This work consists of incorporating a WMA (Warm Mix Additive) in HMA
(Hot Mix Asphalt).
414.02 MATERIALS. One unit of WMA shall be added to each ton of HMA . All WMA shall be
selected from the RIDOT Approved Materials List and shall be added at a dosage rate recommended by the manufacturer.
414.03 CONSTRUCTION METHODS. If HMA is designated as “with WMA”, the Contractor shall
use a WMA. If HMA is not designated as “with WM A”, the Contractor may request to use a WMA at his own discretion and expense. Additionally, the Engineer may direct the Contractor to use a WMA. If a WMA is used it shall be for an entire day’s production for that class of HMA.
414.04 METHOD OF MEASUREMENT. WMA will be measured by the number of units actually
used in accordance with the specifications and/or as directed by the Engineer.
414.05 BASIS OF PAYMENT The accepted quantity of the WMA will be paid for at its respective
contract unit price per each as listed in the Proposal.
Source: Rhode Island Standard Specifications (Bluebook), 2024 Edition. Pages 231–232 of 826.