ESBD_408612_1744148564422_02. Specification No TxDOT 490-32-47878.pdf

TEXAS DEPARTMENT OF TRANSPORTATION

SPECIFICATION NO.

TxDOT 490-32-47878

DATED: JANUARY 2025

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Environmental Thermal Chamber

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 for the purchase of an Environmental Thermal Chamber capable of simulating a range of temperature and environmental conditions for product testing.

2. DELIVERY LOCATION: The unit must be delivered to the Texas Department of Transportation Materials and Tests Division at 6230 E. Stassney Ln, Austin, TX 78744. The vendor must use the Burleson Road entrance to access the TxDOT Stassney Campus.

3. EQUIPMENT:

3.1. 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.

3.2. 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.

3.3. The system must feature a touchscreen controller that enables operation of the equipment, including but not limited to programming, temperature control, test data management, and temperature data logging during operation.

3.4. The controller must allow for temperature data logging during operation.

3.5. Must be constructed of nonmagnetic Series 300 stainless steel.

3.6. The Environmental Thermal Chamber must be equipped with a 3-phase electrical supply.

3.7. The chamber must include refrigeration gauges and an air-cooled refrigeration system.

3.8. The chamber must feature a full-opening, lockable hinged access door and at least one 3" or 4" circular access port.

3.9. It must include a heated viewing window of at least 226 square inches and an interior light that can be controlled externally.

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4. WORKSPACE:

4.1. The unit must be equipped with casters for mobility and leveling legs/feet for stability.

4.2. The chamber must have a nominal workspace volume of at least 16 cu. ft. with minimum dimensions of 30" (W) x 30" (D) x 30" (H).

4.3. The unit must include at least one adjustable stainless-steel shelf capable of supporting a minimum of 100 lbs.

5. TEMPERATURE RANGE AND CYCLE:

5.1. The unit must operate within the temperature ranging approximately -31°C to +70°C.

5.2. The system must be programmable for a temperature cycle that includes maintaining a set temperature (e.g., 60°C or -21°C) for a set time interval (e.g., 8 hours).

5.3. The system must maintain the set temperature within ±2°C during the hold phases and be capable of repeating this cycle at minimum of 9 times.

5.4. The system must be capable of cooling from 60°C to -21°C in approximately 14 minutes and heating from -21°C to 60°C in the same timeframe.

6. INSTALLTION AND CALIBRATION:

Vendor must install unit(s) at the designated TxDOT 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(s) must be fully operational.

TxDOT will execute all physical modifications to the installation site unless otherwise specified.

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

7. FACTORY TRAINED TECHNICIAN:

The vendor must provide the services of a competent factory-trained technician thoroughly trained in the use and operation of the unit to TxDOT for a minimum of 4-hour(s) instruction on safety, operation, and preventive maintenance of the unit. Services must be provided after the unit has been delivered and is ready for operation but prior to payment.

The training must take place on TxDOT's premises at a time and date mutually agreed upon by the vendor and TxDOT.

NOTE: Please include all installation, training, and freight charges in the unit price of the bid tab.

8. EXAMPLE MAKE/MODEL:

8.1. Thermotron Model S-16-8200

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8.2. Cincinnati Sub Zero Model ZPE-16-3.5-SCT/AC

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

9. WARRANTY REQUIREMENTS:

9.1. 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.

10. DELIVERABLES:

10.1. Environmental Thermal Chamber

10.2. Installation and Calibration

10.3. Training

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.