ESBD_541711_1784815204595_03. Specification 175-36-66830.pdf

SPECIFICATION NO.

TxDOT 175-36-66830

DATED: JULY 2026

TEXAS DEPARTMENT OF TRANSPORTATION

GENERAL SERVICES DIVISION

ICO NCAT Ignition Oven for Asphalt Content

PUBLICATION

This specification is a product of the Texas Department of Transportation (TxDOT). It is the practice of TxDOT to support other entities by making this specification available through the National Institute of Governmental Purchasing (NIGP). This specification may not be sold for profit or monetary gain. If this specification 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.

PART I

GENERAL CLAUSES AND CONDITIONS

1. The equipment furnished under this specification shall be the latest improved model in current production as offered to commercial trade and shall be of quality workmanship and material. The respondent represents that all equipment offered under this specification shall be new. USED, SHOPWORN, DEMONSTRATOR, PROTOTYPE, REMANUFACTURED, RECONDITIONED, OR DISCONTINUED MODELS ARE NOT

ACCEPTABLE.

2. The respondent should submit with the solicitation or have on file with TxDOT; Austin, Texas, the latest printed literature and detailed specifications on equipment the respondent proposes to furnish. This literature is for information purposes only.

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 shall be furnished by vendor. All parts shall conform in strength, quality and workmanship to the accepted standards of the industry.

4. The unit provided shall 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.

5. It is the intent of TxDOT to purchase goods, equipment, and services having the least adverse environmental impact, within the constraints of statutory purchasing requirements, TxDOT need, availability, and sound economic considerations.

Suggested changes and environmental enhancements for possible inclusion in future revisions of this specification are encouraged.

6. TxDOT is committed to procuring quality goods and equipment. TxDOT encourages manufacturers to adopt the International Organization for Standardization (ISO) 9001- 9003 standards, technically equivalent to the current American National Standards Institute/American Society for Quality Control (ANSI/ASQC Q91-93) and obtain

DATED: JULY 2026

certification. Adopting and implementing these standards is considered beneficial to the manufacturer, TxDOT, and the environment. It is TxDOT’s position that the total quality management concepts contained in these standards can result in reduced production costs, higher quality products, and more efficient use of energy and natural resources.

* This Specification Supersedes Specification No. TxDOT 175-36-48, dated June 2010

PART II

SPECIFICATIONS

1. SCOPE: This specification describes a tabletop asphalt content tester furnace with a measurement system and controller that constantly monitors weight loss during burn-off to determine asphalt content by ignition. In addition, the furnace provides an aggregate sample for gradation analysis when burn-off is complete. The system consists of furnace with digital control and shall meet or exceed the following:

EXAMPLES: Gilson Model #AP-20 - ICO NCAT Ignition Oven for Asphalt Content or TxDOT approved equal in accordance with TxDOT Terms and Conditions, Paragraph 2.01 Specification. Refer to Attachment A.

2. FUNCTIONAL AND DESIGN REQUIREMENTS: Integrally designed furnace shall consist of main chamber and internal balance with control system. Equipment shall have latest version of built-in operating software for functions including, but not limited to:

Heating, door safety lock, and internal balance. The vendor shall provide any software upgrades available from manufacturer.

2.1. MAIN CHAMBER: Must:

2.1.1. Have minimum inside dimensions 13 inches wide, 12 inches high, and 19 inches deep.

2.1.2. Accommodate sample sizes up to 5 pounds.

2.1.3. Operate to minimum temperature of 375C (707F).

2.1.4. Produce low emissions, including reduction of exhaust particulates and volatiles, by either an infrared or after burner and filtration system.

2.1.5. Be equipped with door safety lock on chamber door to prevent opening during test operation.

2.1.6. Have a sample basket specifically designed to fit furnace inside dimensions.

2.1.7. Provide both a standard sample basket carrier and safety cage to shield sample while cooling.

2.1.8. Meet the requirements of TxDOT test procedure TEX-236-F, Determining Asphalt Content from Asphalt Paving Mixtures by the Ignition Method.

Effective Date: June 2024

DATED: JULY 2026

2.1.9. Meet current ASTM D6307 and current AASHTO T308 ignition method standards.

2.2. INTERNAL BALANCE: Must:

2.2.1. Constantly measure and record sample weight digitally.

2.2.2. Automatically end a test when sample reaches constant weight and print results.

2.2.3. Have a connection port for data interface with test controller.

2.2.4. Compensate for temperature variation weight measurement errors or eliminate need for correction.

2.3. CONTROL SYSTEM: Shall be equipped with all necessary accessories for data capture and analysis.

3. ELECTRICAL REQUIREMENTS: The furnace and control system shall operate on standard US electrical circuit (12 to 20 amp current, 60 Hz and 208/240V line). TxDOT will indicate electrical requirements for each tabletop asphalt content tester furnace ordered.

4. SAFETY PLAQUES OR DECALS: Product safety plaques or decals shall be furnished and affixed to furnace at any hazardous area and be visible from the operator's station.

The safety plaques or decals shall describe the nature of the hazard, level of hazard seriousness, how to avoid the hazard, and the consequence of human interaction with the hazard. Permanent plaques are preferred to decals. Type, size and location of product safety plaques or decals shall be in accordance with current ANSI Z535.4 standard.

5. CABLING AND ATTACHMENTS: All cable and attachment devices needed for the complete installation of the equipment shall be included. Attachments must include:

5.1. Brush (5/8” Wide, Acid)

5.2. Cooling Cage Assembly

5.3. Gloves (800F heat resistant)

5.4. Pan Carrier Assembly

5.5. ICO Sample Basket

6. MANUALS: Equipment shall be delivered with current original manual(s) and one copy containing illustrated parts list, operating, calibration, and service instructions in English.

The manual(s) shall be as detailed as possible outlining all necessary service and operating instructions for the equipment delivered. Manual(s) shall include necessary warnings and safety precautions. It is requested, but not required, that the manual be printed on recycled paper. Copies shall be reproduced from the current original manual and be clean and legible. If not included in above reference manual(s), vendor shall include following additional information at delivery time:

DATED: JULY 2026

6.1. Manufacturer’s recommended service and preventive maintenance intervals.

6.2. In addition to the hard copy manual and copies, vendor shall provide an electronic media version of the current original manual.

PART III

DELIVERY AND ACCEPTANCE

1. DELIVERY: Delivery of equipment shall be complete by promise date shown on purchase order. If the equipment is not delivered within the specified time frame, the purchase order may be canceled, or, at TxDOT’s option, an extension may be granted, whichever is in the best interest of TxDOT.

2. ACCEPTANCE: System acceptance will occur after a minimum of 15 consecutive failure-free calendar days of operation following installation. Any failures effecting furnace function will result in the beginning of a new 15-day test period. The acceptance test period will not exceed 45 calendar days total. If the system fails the acceptance tests, TxDOT will notify the vendor in writing within 45 days and the purchase order may be canceled.

PART IV

WARRANTY AND SUPPORT

1. WARRANTY: The equipment offered shall be warranted against defective materials, workmanship, and failures for 12 months from date of acceptance covering 100 percent parts and labor cost. If manufacturer’s standard warranty period is in excess of 12 months, the standard warranty period shall apply.

1.1. The vendor shall furnish the manufacturer’s warranty card with the equipment indicating the terms and conditions of warranty.

1.2. At time of delivery, the vendor shall furnish a list of names and addresses of servicing dealers available to perform warranty work.

1.3. Warranty start date shall be effective the day the unit is placed into service and accepted. Provisions shall be made by the vendor to provide a delayed warranty start date for each unit furnished to this specification. Instructions shall be included with each unit delivered, advising TxDOT of the procedures to be followed for obtaining the delayed warranty start date.

2. SUPPORT: The vendor shall provide TxDOT with a point of contact and telephone number. The point of contact shall respond to all inquiries relating to the purchase order.

Inquiries may include, but not be limited to, technical support, service, and calibration.

TxDOT 175-36-66278

DATED: MAY 2026

Attachment A Line Item Details – Alternative Items

Alternative Item(s): A vendor who wishes to submit an alternative bid shall provide the product literature and specification information.

Product Literature: Provide comprehensive product literature that outlines the technical specifications features and performance capabilities of the alternative item you are proposing. The literature should be clear concise and provide sufficient details to enable a thorough evaluation of the product.

Specification Information: Include detailed specification sheets or documentation that clearly outline how the alternative item aligns with or exceeds the specification of the product mentioned in the original bid request.

Any alternative bid must meet the required quality functionality and performance standards of the requested item. Additionally, any deviations from the specified product should be clearly stated and justified in your submission. Failure to provide product literature or specification information along with your bid will result in your bid being considered non-responsive.

Respondent must indicate the make and model of the item bid in the Bid Table, if different than example.

TxDOT Approved Equal

Make

Model

Compliance with Specification Paragraph 2.01 (d) of TxDOT Terms and Conditions.