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,., . ..., . 1. Fiber length ............. 0.25 inch [6.0 mm] (maximum) 2. Sieve Analysis a. Alpine Sieve Method Percent passing No.1 00 [150 /lm] sieve60-80 b. Ro-Tap Sieve Method Percent passing No. 20 [850/lm] sieve80-95 Percent passing No. 40 [425/lm] sieve45-85 Percent passing No.1 00 [1 50/lm sieve5-40 3. Ash Content: ................... 18% non-volatiles (:t 5%) 4. pH: .................................................... 7.5 (:t 1.0) 5. Oil Absorption:......... 5.0 (:t 1.0) (times fiber weight) 6. Moisture Content: ...........................5.0 (maximum) Provide certified test results for each batch of fiber material indicating compliance with the above tests. ,..., . -, . ,.., . .., . .., . 337-3 General Composition of Mixes. 337-3.1 General: Use a bituminous mixture composed of aggregate (coarse, fine, or a mixture thereof), asphalt rubber binder, and in some cases, fibers and/or hydrated lime. Size, uniformly grade and combine the aggregate fractions in such proportions that the resulting mix meets the requirements of this Section. The use of RAP material will not be permitted. 337-3.2 Specific Component Requirements by Mix: 337-3.2.1 FC-5: 337-3.2.1.1 Aggregates: Use an aggregate blend which consists of either 100% crushed granite or 100% crushed Oolitic limestone. In addition to the requirements of Section 901, meet the following coarse aggregate requirements. Use either crushed granite or crushed limestone. Use crushed limestone from the Oolitic formation, which contains a minimum of 12% non- carbonate material (as determined by FM 5-510), and has been approved for this use. In addition to the requirements of Section 902, meet the following fine aggregate requirements. Use either crushed granite screenings, or crushed Oolitic limestone screenings for the fine aggregate. 337-3.2.1.2 Asphalt Binder: Use an ARB-12 asphalt rubber binder. If called for in the Contract Documents, use a PG 76-22 asphalt binder. 337-3.2.1.3 Hydrated Lime: Add the lime at a dosage rate of 1.0% by weight of the total dry aggregate to mixes containing granite. 337-3.2.1.4 Fiber Stabilizing Additive: Add either mineral fibers at a dosage rate of 0.4% by weight of the total mix, or cellulose fibers at a dosage rate of 0.3% by weight of total mix. 337-3.2.2 FC-9.5 and FC-12.5: 337-3.2.2.1: Aggregates: In addition to the requirements of Sections 901 and 902, use coarse and fine aggregate components which also meet the aggregate requirements for an SP-9.5 or SP-12.5 Superpave mix, respectively, as specified in Section 334. Use an aggregate blend that consists of crushed granite, crushed Oolitic limestone, or a combination of the two. (Aggregates other than those listed above may be used if approved by the Engineer for use in friction courses.) Crushed limestone from the Oolitic formation may be used if it contains a minimum of 12% non- '1 . -. . .-, . ., . " . P1 . ..., . .., . .., . .., . .-, . ...., 09/09 01000-73 03-4122.F .