TxDOT Specifications

1995 Standard Specifications Book

Last Update (05/03/2002)

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DIVISION III - SURFACE COURSES OR PAVEMENT

Table Of Contents

300 ASPHALTS, OILS AND EMULSIONS
301 ASPHALT ANTISTRIPPING AGENTS
302 AGGREGATES FOR SURFACE TREATMENTS
303 AGGREGATE FOR SURFACE TREATMENTS (LIGHTWEIGHT)
305 SALVAGING, HAULING AND STOCKPILING RECLAIMABLE ASPHALTIC PAVEMENT
310 PRIME COAT (CUTBACK ASPHALTIC MATERIAL)
312 PRIME COAT (CUTBACK ASPHALTIC MATERIAL AND SAND)
314 EMULSIFIED ASPHALT TREATMENT
315 EMULSIFIED ASPHALT SEAL
316 SURFACE TREATMENTS
318 HOT ASPHALT-RUBBER SURFACE TREATMENTS
330 LIMESTONE ROCK ASPHALT PAVEMENT (CLASS A)

ITEM NO. - TITLE AND REQUIREMENTS

300 - ASPHALTS, OILS AND EMULSIONS

SPECIFICATION REQUIREMENTS
None

PAYMENT AND MEASUREMENT
The asphaltic materials described in this specification will be measured and paid for in accordance
with governing specifications for the items of construction in which these materials are used.

OPTIONAL REQUIREMENTS
None

REFERENCE ITEMS
None

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301 - ASPHALT ANTISTRIPPING AGENTS

SPECIFICATION REQUIREMENTS
None

OPTIONAL REQUIREMENTS
None

PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.

REFERENCE ITEMS
(264, 520)

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302 - AGGREGATES FOR SURFACE TREATMENTS

SPECIFICATION REQUIREMENTS
1) Type E aggregate will be as shown on the plans.
2) Type PE precoated aggregate will be as shown on the plans.

OPTIONAL REQUIREMENTS
1) When precoating of fluxing material is used, it will be paid for in accordance with Item 300.

PAYMENT AND MEASUREMENT
The aggregates provided in accordance with this specification will be measured and paid for in accordance
with the governing specifications for the items of construction in which these materials are used.

REFERENCE ITEMS
(340, 520)

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303 - AGGREGATE FOR SURFACE TREATMENTS (LIGHTWEIGHT)

SPECIFICATION REQUIREMENTS
1) When precoating of fluxing material is used, it will be paid for in accordance with Item 300.

OPTIONAL REQUIREMENTS
None

PAYMENT AND MEASUREMENT
The aggregates provided in accordance with this specification will be measured and paid for in
accordance with governing specifications for the items of construction in which these materials
are used.

REFERENCE ITEMS
(302)

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305 - SALVAGING, HAULING AND STOCKPILING RECLAIMABLE ASPHALTIC PAVEMENT

SPECIFICATION REQUIREMENTS
1) Stockpile locations can be shown on the plans or as approved by the Engineer.
2) Limits and/or locations for removing existing asphaltic concrete pavement and/or
    asphalt stabilized base must be shown on the plans.
3) Width and depth of existing asphaltic concrete pavement and/or asphalt stabilized base
  to be removed must be shown on the plans.
4) Maximum stockpile height, method of construction or other stockpile requirement may
    be shown on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Salvaging, Hauling and Stockpiling Reclaimable Asphaltic Pavement" M3
2) "Salvaging, Hauling and Stockpiling Reclaimable Asphaltic
Pavement (Depth Specified)" M2

REFERENCE ITEMS
None

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310 - PRIME COAT (CUTBACK ASPHALTIC MATERIAL)

SPECIFICATION REQUIREMENTS
1) Limits, areas and/or locations must be shown on the plans.
2) Type and grade of cutback asphalt must be shown on the plans.
3) The rate of application can be shown on the plans or as directed by the Engineer.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Asphalt Material (Type and Grade Specified)" L

REFERENCE ITEMS
(300)

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312 - PRIME COAT (CUTBACK ASPHALTIC MATERIAL AND SAND)

SPECIFICATION REQUIREMENTS
1) Limits, areas and/or locations must be shown on the plans.
2) Type and grade of cutback asphalt must be shown on the plans.
3) The rate of application can be shown on the plans or as directed by the Engineer.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Asphalt Material (Type and Grade Specified)" L
2) "Native Sand" M3

REFERENCE ITEMS
(300)

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314 - EMULSIFIED ASPHALT TREATMENT

SPECIFICATION REQUIREMENTS
1) Limits, areas and/or locations must be shown on the plans.
2) Type and grade of emulsified asphalt must be shown on the plans.
3) The percent of emulsified asphalt in the mixture will be within the limits shown on the plans.
4) When the emulsified asphalt and water mixture is incorporated into the top portion of the
    subbase or base course, the depth and width must be shown on the plans.
5) The rate of application can be shown on the plans or as directed by the Engineer.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Emulsified Asphalt (Type and Grade Specified)" L
2) "Emulsified Asphalt (Base or Subgrade Treatment)
(Type and Grade Specified)" L
3) "Emulsified Asphalt (Erosion Control) (Type and Grade Specified)" L

REFERENCE ITEMS
(204, 300)

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315 - EMULSIFIED ASPHALT SEAL

SPECIFICATION REQUIREMENTS
1) Limits and/or locations must be shown on the plans.
2) Type and grade of emulsified asphalt must be shown on the plans.
3) The percent of emulsified asphalt in the mixture will be within the limits shown on the plans.
4) The rate of application can be shown on the plans or as directed by the Engineer.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Emulsified Asphalt Seal (Type and Grade Specified)" L

REFERENCE ITEMS
(204, 300)

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316 - SURFACE TREATMENTS

SPECIFICATION REQUIREMENTS
1) Limits, areas and/or locations must be shown on the plans.
2) Type(s) and grade(s) of  asphalt must be shown on the plans.
3) Type(s) and grade(s) of  aggregate  must be shown on the plans.
4) Specify if construction consists of a one, two or three course application of surface treatment.
5) The rates of application of asphalt and aggregate must be shown on the plans.
6) The polish value of the aggregate used in the surface or final course must be shown on the plans.
7) When shown on the plans, the Department will furnish aggregate.

OPTIONAL REQUIREMENTS
1) When Aggregate for Surface Treatments is required, it will be in accordance with Item 302.
2) When Aggregate for Surface Treatments (Lightweight) is required, it will be in accordance with
    Item 303.

PAYMENT DESCRIPTION UNITS
1) "Asphalt (Type and Grade Specified)" L, MGR
2) "Aggregate (Type and Grade Specified)" M3
3) "Aggregate (Stockpiled) (Type and Grade Specified)" M3
4) "Loading, Hauling and Distributing Aggregate" M3

REFERENCE ITEMS
(210, 213, 300, 530)

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318 - HOT ASPHALT-RUBBER SURFACE TREATMENTS

SPECIFICATION REQUIREMENTS
1) Limits, areas and/or locations must be shown on the plans.
2) Type of rubber gradation must be specified on the plans.
3) Type(s) and grade(s) of  aggregate  must be shown on the plans.
4) Specify if construction consists of a one or two course application of hot asphalt-rubber
    surface treatment.
5) The rates of application of hot asphalt-rubber and aggregate must be shown on the plans.
6) The polish value of the aggregate used in the surface or final course must be shown on the plans.

OPTIONAL REQUIREMENTS
1) When Aggregate for Surface Treatments is required, it will be in accordance with Item 302.
2) When Aggregate for Surface Treatments (Lightweight) is required, it will be in accordance with
    Item 303.

PAYMENT DESCRIPTION UNITS
1) "Hot Asphalt-Rubber (Type of Rubber Gradation Specified)" MGR
2) "Aggregate (Type and Grade Specified)" M3

REFERENCE ITEMS
(210, 213, 300, 340, 520)

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330 - LIMESTONE ROCK ASPHALT PAVEMENT (CLASS A)

SPECIFICATION REQUIREMENTS
1) Limits, areas and/or locations must be shown on the plans.
2) Specify if construction consists of a base course, a surface course, a level-up course,
    or a combination of these courses.
3) Width and depth of these courses must be shown on the typical section(s).
4) The polish value of the coarse aggregate used in the surface or final course of the travel
    lanes must be shown on the plans.
5) Type and rate of application of limestone rock asphalt pavement must be shown on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Limestone Rock Asphalt Pavement (Class A) (Type Specified)" MGR
2) "Limestone Rock Asphalt Pavement (Class A) (Type Specified)" M3

REFERENCE ITEMS
(300, 340, 520, 5440)

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