32 01 17.pdf
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- Solicitation number
- WWYK200323-P
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This document is a technical specification for crack sealing of asphalt concrete pavements at Tinker AFB, Oklahoma. It covers the required products, including liquid asphalt, emulsified asphalt, sealing compound, and fine aggregate, as well as the installation procedures. The specification details the preparation requirements, such as cleaning cracks and using appropriate heating and application equipment. It outlines the crack sealing installation process, including filling wider cracks with a slurry mix and sealing cracks with liquid or emulsified asphalt. The document also addresses traffic control requirements during the sealing process.
The related federal contract opportunity is for the repair of HVAC diffuser and ductwork at Tinker AFB, which is available only to Tinker AFB MAC BOA holders. The solicitation requires a mandatory site visit, with an RSVP and entry authorization list due by specified deadlines. The estimated price range for the project is between $1,000,000 and $5,000,000, and it is set aside for small businesses.
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Tinker AFB, OK TAFB Technical Specifications 2019
April 2019 Page 1 Section 32 01 17
SECTION 32 01 17
CRACK SEALING IN ASPHALT CONCRETE PAVEMENTS
PART 1 GENERAL
1.1 DESCRIPTION OF WORK
This specification covers the furnishing and installation of materials for crack sealing of asphalt concrete pavements. Products shall match existing materials and/or shall be as directed by the Contracting Officer. Installation procedures shall be in accordance with the product manufacturer's recommendations. Demolition and removal of materials shall be as required to support the work.
PART 2 PRODUCTS
2.1 LIQUID ASPHALT
Liquid Asphalt shall comply with ASTM D 2027, Grade MC-250.
2.2 EMULSIFIED ASPHALT
Emulsified Asphalt shall comply with ASTM D 977, Grade MS-2.
2.3 SEALING COMPOUND
Sealing Compound shall comply with Fed. Spec. SS-S-1401.
2.4 FINE AGGREGATE
Fine Aggregate shall be natural sand or crusher dust and have a maximum size of not more than 1/8 inch and be free of clay and organic matter.
PART 3 EXECUTION
3.1 PREPARATION:
3.1.1 All Cracks to be sealed shall be cleaned of dirt and
debris.
3.1.2 Crack Cleaning Equipment shall consist of a portable air compressor with hose and nozzles for directing air directly into cracks and stiff bristle brooms.
3.1.3 Heating Equipment for Liquid Asphalt shall be mobile and shall be equipped with an agitating device for stirring material during heating, a thermometer, regulating
Tinker AFB, OK TAFB Technical Specifications 2019
April 2019 Page 2 Section 32 01 17 equipment for heat control, and a gravity type, draw off valve.
3.1.4 Heating Equipment for Sealing Compound: Unless otherwise required by the manufacturer's recommendations, the equipment shall be mobile and shall consist of double boiler, agitator type kettles with oil medium in the outer space for heat transfer. The applicator unit shall be so designed that the sealant will circulate through the delivery hose and return to the inner kettle when not sealing cracks.
3.1.5 Application Equipment shall have a spout or nozzle of such size that the sealing material will be placed in the cracks without entrapping air in cracks or spreading material on adjacent pavement surface.
3.2 INSTALLATION
3.2.1 Sealing Compound
All cracks one eighth of an inch wide and wider shall be sealed.
The application temperature for sealing compound shall comply with Fed. Spec. SS-S-1401. Cracks one half of an inch wide and wider shall be filled with a slurry of fine sand and an emulsified asphalt or liquid asphalt. After the slurry has cured, cracks shall be sealed with liquid asphalt or emulsified asphalt and lightly sanded.
3.2.2 Liquid and Emulsified Asphalt Sealer
The temperature shall be varied so that it flows freely into cracks and completely fills cracks without entrapping air. Cracks shall be free of moisture before filling and shall be filled slightly above the pavement surface. When excess sealer has been removed, the sealer shall be covered with fine sand.
3.2.3 Traffic Control
Traffic will not be permitted over sealed cracks until the sealer has cooled so that vehicle tires do not pick it up. The Contractor will be responsible for all barricades and flagmen necessary to control traffic.
- End of Section -
| PART 1 GENERAL |
| PART 2 PRODUCTS |
| 2.1 Liquid Asphalt |
| 2.2 Emulsified Asphalt |
| 2.3 Sealing Compound |
| 2.4 Fine Aggregate |
| part 3 EXECUTION |
| 3.1 Preparation: |
| 3.1.1 All Cracks to be sealed shall be cleaned of dirt and debris. |
| 3.1.2 Crack Cleaning Equipment shall consist of a portable air compressor with hose and nozzles for directing air directly into cracks and stiff bristle brooms. |
| 3.1.3 Heating Equipment for Liquid Asphalt shall be mobile and shall be equipped with an agitating device for stirring material during heating, a thermometer, regulating equipment for heat control, and a gravity type, draw off valve. |
| 3.1.4 Heating Equipment for Sealing Compound: Unless otherwise required by the manufacturer's recommendations, the equipment shall be mobile and shall consist of double boiler, agitator type kettles with oil medium in the outer space for heat transfer... |
| 3.1.5 Application Equipment shall have a spout or nozzle of such size that the sealing material will be placed in the cracks without entrapping air in cracks or spreading material on adjacent pavement surface. |
| 3.2 Installation |
| 3.2.1 Sealing Compound |
| 3.2.2 Liquid and Emulsified Asphalt Sealer |
| 3.2.3 Traffic Control |
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