ESBD_393998_1738793580800_02. Specification No TxDOT 845-49-47088.pdf

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Attached to
Purchase of Loaded Wheel Asphalt Testing System for Materials and Tests Division.
Solicitation number
601440000047088
Issued by
Comal County, Texas

About this file

This specification document from the Texas Department of Transportation (TxDOT) outlines requirements for purchasing a Loaded Wheel Asphalt Testing System to be delivered to the Materials and Tests Division in New Braunfels, Texas. The document details technical specifications for a full-size asphalt testing machine that must meet AASHTO T 324 standards for Hamburg Wheel-Track Testing of Compacted Asphalt Mixtures. Key requirements include construction from 300 series stainless steel, minimum width of 52 inches, winch-operated load arm, removable trays, enclosed testing chamber with air heating system, and a maximum wheel speed of 1.0 ft/sec. The system must include fully automated data acquisition and test control capabilities with standalone computer operation.

The specification requires vendors to provide complete installation, calibration, and a minimum 12-month warranty covering 100% parts and labor. Example acceptable models include the InstroTek SmartTracker and Gilson HM-459 Asphalt Pavement Analyzer. All installation, training, and freight charges must be included in the unit price. The vendor must provide 10 working days notice before installation and furnish all necessary cables, hoses, brackets, and accessories for complete installation. Vendor performance will be monitored, with specific criteria outlined for both unsatisfactory and exceptional performance determinations.

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Text version

TEXAS DEPARTMENT OF TRANSPORTATION

SPECIFICATION NO.

TxDOT 845-49-47088

DATED: APRIL 2024

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LOADED WHEEL ASPHALT TESTING SYSTEM

PUBLICATION

This specification is a product of the Texas Department of Transportation (TxDOT). This specification may not be sold for profit or monetary gain. If this document is altered in any way, the header and any and all references to TxDOT must be removed. TxDOT does not assume nor accept any liability when this specification is used in the procurement process by any other entity.

1. SCOPE: This Specification is to purchase a Loaded Wheel Asphalt Testing System.

2. DELIVERY LOCATION: Delivery is to be made to the following location: TxDOT Materials and Tests Division, 5080 FM 2439, New Braunfels, TX 78132, ATTN: Charles Schwarz.

3. DEFINITIONS OF TERMS AND ACRONYMS:

3.1. AASHTO – American Association of Highway and Transportation Officials

3.2. LVDT - Linear Variable Differential Transducer

3.3. NCHRP - National Cooperative Highway Research Program

3.4. ANSI – American National Standard Institute

4. EQUIPMENT:

4.1. Equipment furnished must be the latest model in current production, as offered to commercial trade, and of quality workmanship and material. The vendor represents that all equipment offered will be new. Used, shopworn, demonstrator, prototype, re-manufactured, or discontinued models are not acceptable.

4.2. Vendor must provide Certificate of Origin, Certificate of Title, and any other documents required for this equipment.

4.3. All parts not specifically mentioned which are necessary for the unit to be complete and ready for operation or which are normally furnished as standard equipment must be furnished by the vendor. All parts must conform in strength, quality, and workmanship to the accepted standard of the industry.

4.4. The unit provided must meet or exceed all federal and state of Texas safety, health, lighting, and noise regulations and standards in effect and applicable to equipment furnished at the time of manufacture.

4.5. Must meet all requirements of AASHTO T 324 for Standard Method of Test for Hamburg Wheel- Track Testing of Compacted Asphalt Mixtures (Attachment A).

4.6. Machine must be constructed from 300 series stainless steel or have a corrosion resistant coating to ensure longevity and no corrosion.

4.7. Must be a full-size machine with a minimum width of 52 in. (1320.8 mm)

4.8. Must have a winch to lift load arm.

4.9. Must have removable trays to avoid lifting loading arm.

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4.10. The maximum speed of the wheel must be approximately 1.0 ft./sec. (0.305 m/s) at the midpoint of the combined specimens.

4.11. Must have an enclosed testing chamber with an air heating system to ensure uniform air temperature when performing the test dry.

4.12. Must not be any contact between the stainless-steel wheel and the specimen prior to performing test.

4.13. All parts of water tank must be easily accessible for cleaning/draining.

4.14. Must meet all requirements of Tex-242-F for Standard Method of Test to Determine the Susceptibility of Bituminous Mixtures.

4.15. System requirements must be capable to provide calibration/verification of load, LVDTs, and temperature reading elements.

5. SOFTWARE:

5.1. Fully automated data acquisition and test control system with a standalone computer that operates independently of the testing apparatus and does not require network or internet support for the software.

5.2. Test software must calculate where the inflection point occurred during the test.

6. SAFETY PLAQUES OR DECALS:

6.1. Safety plaques or decals must be furnished and must be affixed at any hazardous area of the machine.

6.2. Safety plaques or decals must describe the nature of the hazard, level or hazard seriousness, how to avoid the hazard, and the consequence of human interaction with the hazard.

6.3. Permanent plaques are preferred to decals.

6.4. Types, size and location of product safety plaques or decals must be in accordance with the latest revision of ANSI 535.4 NOTE: Please include all installation, training, and freight charges in the unit price of the bid tab.

7. INSTALLATION AND CALIBRATION:

7.1. Vendor must install unit at the TxDOT designated site and ensure complete installation and calibration of the equipment, including providing all cables, hoses, brackets, and accessories necessary for complete and safe installation, connection to power and telecommunications sources, and diagnostic testing. Unit shall be fully operational. TxDOT will execute all physical modifications to the installation site unless otherwise specified.

7.2. Vendor must notify TxDOT point of contact via telephone or email a minimum of 10 working days prior to proposed installation date.

https://www.txdot.gov/business/resources/materials/materials-test-procedures.html?CFC__target=https%3A%2F%2Fwww.dot.state.tx.us%2Fapps-cg%2Ftest_procedures%2Ftms_series.htm%3Fseries%3D200-F

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8. EXAMPLE MAKE/MODELS:

8.1. InstroTek – SmartTracker

8.2. Gilson – HM-459 Asphalt Pavement Analyzer

8.3. Or in accordance with paragraph 2.01 Specification of the TxDOT Terms and

Conditions.

9. VENDOR DELIVERABLES:

9.1. Loaded Wheel Asphalt Testing System

9.2. Installation

9.3. Calibration

10. WARRANTY REQUIREMENTS:

10.1. MATERIAL WARRANTY: Materials provided under the contract must be in current production, as offered to commercial trade, and be of quality material. Used, shopworn, demonstrator, prototype, reconditioned, or discontinued materials are not acceptable. Materials must be warranted against material defects and defects in workmanship for a period of not less than 12 months and cover 100% parts and labor. The warranty period must commence upon date of acceptance by TxDOT. If the manufacturer’s standard warranty period exceeds 12 months, then the standard warranty period must be in effect. The vendor must be responsible for the warranty.

The vendor must provide the designated TxDOT representative with all manufacturers’ warranty documents upon completion of service prior to leaving the job site.

11. VENDOR PERFORMANCE: Vendor performance will be monitored on a regular basis by TxDOT.

11.1. An unsatisfactory performance determination includes, but is not limited to:

11.1.1. Failure to deliver any portion of the equipment.

11.1.2. Any requirement not met as outlined in the equipment requirements determined by TxDOT.

NOTE: Unsatisfactory performance may result in a negative vendor performance report, or cancellation of the contract or both, in addition to any other rights, liquidated damages and remedies provided by the contract or allowed by law.

11.2. An exceptional performance determination includes, but is not limited to:

11.2.1. Deliverables made early upon TxDOT personnel request.

11.2.2. Product upgrade substitution suggested and accepted at no additional cost to TxDOT.

11.2.3. Vendor commended for exceptional customer service; exceptional service provided.

11.2.4. Provided technical assistance when not required.

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