The file's text, extracted by GovTribe without its formatting.
Specification Requirements
0801; Truck and Trailer, Skid Test
Specification Requirements
Be sure to address each line below. Failure to do so may result in bid rejection Check If Meet or Exceed Describe Offered Alternatives Note: Equals or Alternatives offered may be evaluated by subject matter experts. Equals or Alternatives offered that are not found to meet the specification requirements may cause the bid to be rejected.
| 1. |
| This specification is intended as a general indication of the type of equipment desired. Because of the variation in types of equipment available, other configurations may be evaluated and WSDOT reserves the right to reject any and all bids which do not meet the intent of the specifications in the judgment of the Department. Bidders shall furnish complete specifications of the unit bid, including make and model numbers as well as all other pertinent data to facilitate evaluation for compliance with the intent of the specifications. See the Specification Evaluation section of the RFQ. |
| 2. |
| Shall be a Pavement Friction Testing System, measuring the coefficient of friction on pavement. The system shall include all computer items required for proper function. |
| 3. |
| The skid tester and tow vehicle shall meet or exceed all of the requirements set forth in ASTM-E274/E274M-11. (“Test Method for Skid Resistance of Paved Surfaces using a Full-Scale Tire”) |
| 4. |
| The vendor shall provide WSDOT with software updates for a period of 3 years after this unit is put into service. |
| 5. |
| The skid-testing unit shall be trailer mounted and have the ability to be towed, using a 3-inch adjustable height pintle. |
| 6. |
| The entire unit, in a fully loaded condition, shall meet all Federal and State weight distribution laws currently in effect which includes the Washington State Bridge law. |
| 7. |
| All controls, and the computer system shall be mounted in the chassis cab. (Mobil Data Recording System) |
| 8. |
| The unit shall be equipped with a water system to supply water for the test trailer, an air system to provide control assistance, electronics to control the test operations, electrical equipment to supply the required DC power to the test system. |
| 9. |
| All connections between the vehicle and the trailer shall be a quick disconnecting style. |
| 10. |
| Shall be equipped with an Air Compressor mounted on the flatbed, and two 10 Gal. air storage tanks mounted under the flatbed. The compressor shall be properly sized to accommodate all skid testing functions. |
| 11. |
| The unit shall be equipped with an additional air tank to supply the trailer braking system with a sufficient amount of air to operate an impact wrench to change the tires on the skid-testing trailer |
| 12. |
| The unit shall be delivered with four additional test tires and wheels and shall be mounted, and lockable on top of the flatbed. |
| 13. |
| All electrical wires used on the skid testing trailer shall be equipped with waterproof quick disconnect couplers. The wire shall be shielded. |
| 14. |
| All low-level signal electrical cables for the skid tester shall be shielded with gold plated connectors |
| 15. |
| All cables and wiring passing from the back of the cab and extending to the skid tester shall run in enclosed flexible hose. |
| 16. |
| The unit shall be delivered with an impact wrench, 50 feet of ½ inch airline, and an auto rewind hose reel, located under the flatbed, and easily accessible from the ground. Additionally, the unit shall be delivered with all impact sockets required for the removal of the trailer tires. |
| 1. |
| The computer system shall be installed and ready for use upon delivery. |
| 2. |
| Shall have data collection software with the flowing capabilities. |
| a. |
| Real-time on-screen display |
| b. |
| Process and reduce the data collected. |
| c. |
| Output processed data to a MS Access database. |
| d. |
| Input fields as annotated below |
| e. |
| State Route # (Three-digit integer field) |
| f. |
| Related Roadway type (Two-character text field). |
| g. |
| Related Roadway Qualifier (Six-character text field). |
| h. |
| The output file shall contain all the information that the operator has inputted as well as the processed data. |
| i. |
| All data shall be in columns and separated by commas, with no header lines. |
| 3. |
| The skid test cycle shall conform to ASTM- E274/E274M-11 |
| 4. |
| Upon completion of the test cycle the computer shall reduce the collected data, update the video monitor, and process the data into a PDF file. |
| 5. |
| The hardware and software for the computer system shall include the following: |
| a. |
| Multimedia Computer with mini tower. |
| b. |
| 21-inch LCD monitor with rotating base. |
| c. |
| A 1 gigahertz (GHz) or faster processor, 100 GB or better Hard Drive, with either 4 GB Ram for a 32-bit system or 8 GB Ram for 64-bit. |
| d. |
| Genuine Window 7 Professional, English, Operating System with Microsoft Office 2010 |
| e. |
| 2 USB ports 2.0 or better |
| f. |
| APC Back-Uninterrupted Power System (UPS) XS 1500. |
| g. |
| Enhanced English Keyboard with mouse. |
| III. |
| Water System/Pavement wetting System: |
| 1. |
| The water system shall consist of a 600-gal. aluminum-water tank mounted on the flatbed. The water-pumping system and all plumbing shall be located under the flatbed. |
| 2. |
| The tank shall be equipped with at least three equally spaced baffles, a 2-inch overflow standpipe, an in-cab digital read out electronic water level measuring device. Additionally, there shall be a water level sight gauge located on the tank and readable from the ground. |
| 3. |
| All plumbing components shall be rust free. |
| 4. |
| A strainer and dump valve shall be located at the tank output. |
| 5. |
| The top of the tank shall be equipped with of a bolt on cover. |
| 6. |
| All water lines from the main tank to the test nozzle shall have the ability to be purged with compressed air for winterizing. |
| 7. |
| Shall be equipped with at least 20 feet of lay flat fire hose to include a complete set of all male and female connectors for use on fire hydrants. |
| 9. |
| The unit shall be delivered with a complete set of schematics, block diagrams and wiring schematics. Additionally, the vendor shall provide diagrams showing all pneumatic, and hydraulic circuits, with part numbers annotated on the diagram. |
| 10. |
| Each unit shall be delivered with an operator’s manual. |
| 11. |
| Bidders shall provide the Service, and Parts Manuals for the skid tester as annotated below. |
EXHIBIT B TE24011 – PAVEMENT FRICTION RIG-TRAILER
(Rev 2024-07-17) PAGE 5 OF 4