Summary of Rubber Modified Asphalt Product Specifications around ...
Summary of Rubber Modified Asphalt Product Specifications around ...
Summary of Rubber Modified Asphalt Product Specifications around ...
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D. A letter from the CR supplier indicating that the CR they are supplying is produced in Ontario from<br />
tires scrapped in Ontario.<br />
No RMA shall be placed on any trial section until the Contract Administrator acknowledges receipt <strong>of</strong><br />
the plan and schedule in writing. Separate mix designs shall be submitted for each RMA type and for<br />
the control mix.<br />
1151.05 MATERIALS<br />
Section 1151.05 <strong>of</strong> OPSS 1151 is amended by addition <strong>of</strong> the following:<br />
1151.05.06<br />
1151.05.06.01 General<br />
<strong>Rubber</strong> <strong>Modified</strong> <strong>Asphalt</strong> and <strong>Rubber</strong>ized <strong>Asphalt</strong><br />
Cement<br />
Materials for the RMA shall conform to OPSS 313 except as amended by this special provision. It is the<br />
Contractor’s responsibility to identify a facility to produce the mixes in accordance with the supplier’s<br />
instructions for the use <strong>of</strong> their materials. The Contractor is responsible for obtaining from the suppliers<br />
any and all information required for the proper preparation, handling, storage and use <strong>of</strong> their materials.<br />
The Contractor shall be solely responsible for obtaining materials, producing mixes, transportation,<br />
storage and use <strong>of</strong> all materials. The Contractor shall assure that the RMA is produced to prevent any<br />
deleterious effects to the finished product. The Contractor shall be responsible for ensuring cross<br />
contamination does not occur between the sections.<br />
1151.05.06.02 Crumb <strong>Rubber</strong><br />
The CR shall be processed from whole passenger vehicle tires. Heavy equipment tires shall not be used.<br />
Use <strong>of</strong> uncured or devulcanized rubber will not be permitted. CR shall be in the form <strong>of</strong> ambient or<br />
cryogenic ground rubber, or both. The CR shall be produced in Ontario from tires scrapped in Ontario.<br />
CR shall not contain more than 0.01% <strong>of</strong> wire and 0.05% fabric by weight. CR shall be free <strong>of</strong> other<br />
contaminants. The CR shall be dry and free-flowing and not produce foaming when blended with the<br />
PGAC. The CR shall have a specific gravity in the range <strong>of</strong> 1.1 to 1.2, as determined according to<br />
ASTM D 297.<br />
The CR shall meet the gradation requirements specified in Table R2 determined according to ASTM<br />
D5644. No particles shall exceed a length <strong>of</strong> 5 mm as measured on any axis.<br />
1151.05.06.03 Aggregates<br />
Aggregate properties for RMA shall meet the requirements <strong>of</strong> Superpave 12.5FC 1 specified elsewhere<br />
in the Contract Documents.<br />
1151.05.06.04 <strong>Rubber</strong>ized <strong>Asphalt</strong> Cement<br />
CR added to the RAC shall meet the gradation requirements specified in Table R2 determined<br />
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