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Summary of Rubber Modified Asphalt Product Specifications around ...

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a) PFGAC, if the PFGAC is less than 1.0; or,<br />

b) 1.0, if the PFGAC is equal to or greater than 1.0.<br />

Otherwise, if the lot mean air voids is outside the 2.5-5.5 percent range, the PFVOIDS shall be considered to be 0.5.<br />

313.10.01.02.02.06 Payment Factor for Combined Mix Properties and Compaction<br />

Clause 313.10.01.02.02.06 <strong>of</strong> OPSS 313 is amended by the addition <strong>of</strong> the following:<br />

For RMA mixes, as long as the lot mean compaction is between 90.5 and 98.0 percent, the payment factor for<br />

compaction, PFC, shall be equal to either:<br />

a) PFM, if the PFM is less than 1.0; or,<br />

b) 1.0, if the PFM is equal to or greater than 1.0.<br />

Otherwise, if the lot mean compaction is outside the 90.5-98.0 percent range, the PFC shall be considered to be<br />

0.65.<br />

Table R1<br />

Trial Sections<br />

Trial Section Pavement Course Location (Stations) Mix Type<br />

Wet Process-Field Blend Surface 14+500 to 17+500 Superpave 9.5 R-Gap<br />

Graded<br />

Wet Process-Terminal Blend Surface 11+500 to 14+500 Superpave 12.5FC 2 R<br />

Control Section Surface<br />

Hot Mix<br />

<strong>Asphalt</strong><br />

Type<br />

Superpave<br />

9.5 R-Gap<br />

Graded<br />

Remainder <strong>of</strong> the contract to<br />

the west <strong>of</strong> Wet Process-<br />

Terminal Blend Section<br />

Table R2<br />

Superpave 9.5 R-Gap Graded Properties<br />

Percentage Passing by Dry Mass <strong>of</strong> Aggregates<br />

Sieve Size, mm<br />

12.5 9.5 4.75 2.36 1.18 0.075<br />

Traffic<br />

Category<br />

Base<br />

PGAC<br />

Grade<br />

Superpave 12.5FC 2<br />

% Air<br />

Voids<br />

%<br />

VMA<br />

min.<br />

ACBID<br />

(%)<br />

100 90-100 28-42 15-25 5-15 2-7 C 58-28 4 18 7.0<br />

40

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