3151Bituminous Material

3151.1SCOPE

Provide bituminous Materials consisting of asphalt binder, cut-back asphalt, and emulsified asphalt.

3151.2REQUIREMENTS

Provide bituminous Material from a certified source listed on the APL meeting the following requirements for the type and grade required by the Contract. A Asphalt Binder Only use Performance Grade (PG) Asphalt Binder meeting the requirements of AASHTO M 332 Standard Specification for Performance-Graded Asphalt Binder Using Multiple Stress Creep Recovery (MSCR) Test, Table 3151.2-1 and the Combined State Binder Group Method of Acceptance for Asphalt Binder, available on the Asphalt Products page of the APL. Use asphalt binder supplier recommendations for mixing and compaction temperatures. Table 3151.2-1 Multi Stress Creep Recovery (MSCR) Test Requirements Grade* Binder Code for 2360 Mix Design Jnr at 3.2 kilopascal Maximum Percent R at 3.2 kilopascal Minimum ǁ Jnr Difference † (Percent) PG 58S-28 B 4.5 Not applicable report (75) PG 58H-28 E 2.0 30 report (75) PG 58V-28 H 1.0 55 report (75) PG 58E-28 0.5 75 report (75) PG 58S-34 4.5 Not applicable report (75) PG 58H-34 C 2.0 30 report (75) PG 58V-34 F 1.0 55 report (75) PG 58E-34 I 0.5 75 report (75) PG 49S-34 M 4.5 Not applicable report (75) PG 52S-34 A 4.5 Not applicable report (75) PG 64S-22 L 4.5 Not applicable report (75) * LTPP Bind temperature for Minnesota is 58°C for the high PG Binder Grade temperature. The bottom 3 grades are special use binders and are to be tested at the high temperature indicated by the grade (example: PG 49S-34 is tested at 49C). ǁ Use in place of AASHTO R 92 Standard Practice for Evaluating the Elastic Behavior of Asphalt Binders Using the Multiple Stress Creep Recovery (MSCR) Test. † Jnr Difference is waived for all “S, H, V, and E” grade binders. The test value should be reported for information only.

B Medium Curing Liquid Asphalt Provide medium curing liquid asphalt meeting the requirements of AASHTO M 82 Standard Specification for Cutback Asphalt (Medium-Curing Type). Only use cutback asphalt as approved by the Engineer. C Emulsified Asphalt Provide emulsified asphalt meeting the requirements of AASHTO M 140 Standard Specification for Emulsified Asphalt, for the type and grade required by the Contract.

D Cationic Emulsified Asphalt Provide cationic emulsified asphalt meeting the requirements of AASHTO M 208 Standard Specification for Cationic Emulsified Asphalt. D.1 Diluted CSS-1h Provide diluted CSS-1h meeting the requirements of AASHTO M 208 with the following modifications: D.1.a CSS-1hD50

(1:1) at the place of manufacture

on undiluted CSS-1h D.1.b CSS-1hD30

water (7:3) at the place of manufacture

on undiluted CSS-1h E Polymer Modified Cationic Emulsified Asphalt E.1 CRS-2P Provide polymer-modified cationic emulsified asphalt meeting the requirements of AASHTO M 316 Standard Specification for Polymer-Modified Emulsified Asphalt, CRS-2P with the following modifications:

modification E.2 CRS-2Pd- diluted CRS-2P Provide diluted polymer-modified cationic emulsified asphalt meeting the requirements of AASHTO M 316 CRS-2P with the following modifications:

the place of manufacture

undiluted CRS-2P F Polymer Modified High Float Medium Set Emulsified Asphalt HFMS-2P Provide emulsified asphalt meeting the requirements of AASHTO M 316, Table 1 with the following modification: Perform the polymer modification step before the emulsification process. G Ultrathin Bonded Wearing Course (UTBWC) Polymer Modified Emulsion Membrane Provide a polymer modified emulsion membrane meeting the requirements of Table 3151.2-2 and Table 3151.2-3.

Table 3151.2-2 UTBWC Polymer Modified Emulsion Membrane Requirements – Tests on Emulsion Test Method Minimum Maximum Viscosity, Saybolt Furol at 77°F AASHTO T 59 20 seconds 100 seconds Storage stability test *, 24 hours AASHTO T 59 — 1.0 percent Sieve test AASHTO T 59 — 0.05 percent Residue by distillation ǁ AASHTO T 59 63 percent — Oil distillate by distillation AASHTO T 59 — 2.0 percent Demulsibility, 12 ounce, 0.8 percent dioctyl sodium sulfosuccinate AASHTO T 59 60 percent — * After standing undisturbed for 24 hours, ensure the surface has a smooth, homogenous color. ǁ AASHTO T 59 Standard Method of Test for Emulsified Asphalts, except at no greater than 400°F ± 10°F for 15 minutes.

Table 3151.2-3 UTBWC Polymer Modified Emulsion Membrane Requirements – Tests on Residue from Distillation Test Method Minimum Maximum Penetration, at 77°F AASHTO T 49 Standard Method of Test for Penetration of Bituminous Materials 60 dmm 150 dmm Solubility in trichloroethylene AASHTO T 44 Standard Method of Test for Solubility of Bituminous Materials 97.5 percent — Elastic recovery, at 77°F AASHTO T 301 Standard Method of Test for Elastic Recovery Test of Asphalt Materials by Means of a Ductilometer 60 percent —

H Micro-Surfacing Emulsified Asphalt Provide a CQS-1hP or CQS-1P as required by the mix design and meeting the requirements of AASHTO M 316 Table 2 with the following modifications:

polymers or a Department-approved man-made latex polymer or SBS (styrene-butadiene-styrene) polymer

Table 3151.2-4 Micro-Surfacing Emulsified SBS Modified Asphalt Requirements – Tests on Emulsion Test Method CQS-1hP Requirement CQP-1P Requirement Sieve Test AASHTO T 111 Standard Method of Test for Mineral Matter or Ash in Asphalt Materials <0.3 percent <0.3 percent

Table 3151.2-5 Micro-Surfacing Emulsified SBS Modified Asphalt Requirements – Tests on Residue Test Method CQS-1hP Requirement CQP-1P Requirement Softening Point AASHTO T 53 Standard Method of Test for Softening Point of Bitumen (Ring-and-Ball Apparatus) ≥120°F ≥115°F

I Mixing Grade Engineered Emulsion for Stabilization / Reclamation Provide a cationic emulsion according to the job mix design for cold in -place recycled bituminous, cold central plant recycled bituminous, stabilized base, or stabilized full depth reclamation; using the testing methods referenced in AASHTO M208 Standard Specification for Cationic Emulsified Asphalt, to meet the following properties for the types listed: I.1 Soft Base Engineered Emulsion

I.2 Hard Base Engineered Emulsion

3151.3SAMPLING AND TESTING

Provide Bill of Lading with a certification statement that the bituminous Material meets the requirements in 3151.2, “Bituminous Material, Requirements.” Sample at rates and sizes meeting the requirements of the Schedule of Materials Control or as required by the Contract. The Materials Engineer will test samples submitted and certified by the manufacturer as representative of the bituminous Material to be provided.