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Home / DOT Specifications / Utah / Standard Specifications / 02743
Site Construction & Earthwork (02000-02999)

02743Asphalt Mix For Bike And Pedestrian Paths

UT · 2026 Standard Specifications✓ Full text on BuildSpecRev. November 18, 2021Book pages 480–484 Save this section

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ASPHALT MIX FOR BIKE AND PEDESTRIAN PATHS

PART 1 GENERAL

1.1SECTION INCLUDES

A.Products and procedures for constructing a surface course of one or more

layers of asphalt mix comprised of aggregate, asphalt binder, lime, and other additives for bike and pedestrian paths.

B.Mix materials at a central mixing plant.

1.2RELATED SECTIONS

A.Section 02741: Asphalt Mix
B.Section 02745: Asphalt Material
C.Section 02746: Hydrated Lime
D.Section 02748: Prime Coat/Tack Coat

1.3REFERENCES

A.AASHTO T 11: Materials Finer Than 75 µm (No. 200) Sieve In Mineral

Aggregates By Washing

B.AASHTO T 19: Bulk Density (Unit Weight) and Voids in Aggregate
C.AASHTO T 27: Sieve Analysis of Fine and Coarse Aggregates
D.AASHTO T 30: Mechanical Analysis of Extracted Aggregate
E.AASHTO T 89: Determining the Liquid Limit of Soils
F.AASHTO T 90: Determining the Plastic Limit and Plasticity Index of Soils
G.AASHTO T 96: Resistance to Abrasion of Small Size Coarse Aggregate

by Use of the Los Angeles Machine

H.AASHTO T 104: Soundness of Aggregate by Use of Sodium Sulfate or

Magnesium Sulfate Asphalt Mix – Bike and Pedestrian Paths

I.AASHTO T 112: Clay Lumps and Friable Particles in Aggregate
J.AASHTO T 176: Plastic Fines in Graded Aggregates and Soils by Use of

the Sand Equivalent Test

K.AASHTO T 209: Theoretical Maximum Specific Gravity and Density of

Asphalt Mixtures

L.AASHTO T 304: Uncompacted Void Content of Fine Aggregate
M.AASHTO T 308: Determining the Asphalt Binder Content of Asphalt

Mixtures by the Ignition Method

N.AASHTO T 335: Determining the Percentage of Fracture in Coarse

Aggregate

O.UDOT Materials Manual of Instruction (MOI)

1.4DEFINITIONS Not Used

1.5SUBMITTALS

A.Mix design for verification and approval before paving according to UDOT

Materials Manual of Instruction Section 960.

B.Certify, for information, that the mix meets the gradation requirements of

Table 2 and that the asphalt binder requirements from the Job Mix Design. Refer to AASHTO T 30 and T 308.

PART 2 PRODUCTS

2.1ASPHALT MATERIALS

A.Use the following asphalt materials:
1.Asphalt Binder – Performance Graded (PG) Binder.
2.Flush Coat – CQS-1, CSS-1 or SS-1.

2.2AGGREGATE

A.Refer to Section 02745 and Section 02741 excluding Aggregate

Properties Table.

B.Use Table 1 following for Aggregate Properties.

Asphalt Mix – Bike and Pedestrian Paths

Table 1 Aggregate Properties Properties Test Method Test Requirements One Fractured Face AASHTO T 335 N/A Two Fractured Face AASHTO T 335 90% Min. Fine Aggregate AASHTO T 304 45 Min. Angularity Flakiness Index MOI 933 17% Max. Based on ⅜ inch and above L.A. Wear AASHTO T 96 35% Max. Sand Equivalent AASHTO T 176, alternate 45 Min. method 2, pre-wet method (test the sample in the wet condition). Plasticity Index AASHTO T 89 and T 90 0 Unit Weight AASHTO T 19 75 lb/ft3 Min. Soundness Loss AASHTO T 104 – Sodium 16% Max. loss with five Sulfate cycles Deleterious Materials AASHTO T 112 2% Max. Natural Fines --- 10% Max.

C.Meet gradation in Table 2.

Table 2 Aggregate Gradations Percent Passing by Dry Weight of Aggregate AASHTO T 11 and AASHTO T 27 Control Sieve Percent ½ inch 100.0 ⅜ inch 90.0 - 100.0 #4 < 90.0 #8 32.0 - 67.0 #200 2.0 - 10.0

2.3HYDRATED LIME

A.Use at least one percent hydrated lime.
B.Refer to Section 02746.

Asphalt Mix – Bike and Pedestrian Paths

2.4VOLUMETRIC DESIGN REQUIREMENTS

A.Perform Superpave Volumetric Mix Design according to UDOT Materials

Manual of Instruction 960 and the following:

1.Incorporate hydrated lime into all designs. Refer to Section 02746.
2.Comply with Table 3.
B.The Department verifies the Volumetric Mix Design. Refer to UDOT

Materials Manual of Instruction 960.

1.The Department may approve the Volumetric Mix Design from data

submitted with the proposed mix design or from a previous mix design.

2.The Department reserves the right to verify any mix design

submitted.

Table 3 Superpave Volumetric Mix Design Compaction Number of Gyrations (N) % of Gmm (AASHTO T 209) Stage Initial 5 ≤ 91.5 Design 50 ≥ 98.5 Maximum 75 ≤ 100.0

PART 3 EXECUTION

3.1ASPHALT MIX

A.Refer to Section 02741, Part 3.

3.2SURFACE PREPARATION

A.Refer to Section 02741, Part 3.
B.Refer to Section 02748.

3.3COMPACTION

A.Establish a rolling pattern to obtain maximum density without over-

stressing the pavement.

Asphalt Mix – Bike and Pedestrian Paths

3.4ASPHALT EMULSION

A.Apply the flush coat at a uniform rate of 0.10 gal/yd2 undiluted emulsion or

0.15 gal/yd2 2:1 diluted emulsion.

1.Diluted emulsion 2:1 represents two parts undiluted emulsion and

one part water.

END OF SECTION

Asphalt Mix – Bike and Pedestrian Paths

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Source: Utah Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 480–484 of 1,331. View official source ↗
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