DOCUMENT

SPEC - Pavement Test Core Drill 2004

  • YEAR CREATED: 2004
  • ENTITY TYPE: Authority: Transportation
  • TYPE OF DOCUMENT: SPEC - Specification
The document is a specification for a gasoline-powered, trailer-mounted pavement test core drill unit. It is prepared by Barry Thormahlen from the Texas Department of Transportation (TxDOT) and is dated June 2004. The document includes general clauses and conditions for the equipment, such as the requirement for it to be the latest improved model in current production and new. It also specifies that the unit should meet or exceed all safety, health, lighting, and noise regulations and standards in effect at the time of manufacture. The document encourages manufacturers to comply with the Society of Automotive Engineers (SAE) Recommended Practice for marking plastic parts and to use recycled plastics and materials in their products. It also encourages manufacturers to adopt the International Organization for Standardization (ISO) 9001-9003 standards and obtain certification. The specification provides details about the scope of the equipment, including its use for taking core samples of roadway surfaces and base materials, as well as obtaining soil samples. It describes the required features of the unit, such as a minimum spindle travel and fore and aft movement. Specific requirements are outlined for the gasoline engine, drill head, and water pump system of the unit. The document includes examples of specific models that meet the requirements, but also allows for TxDOT approved equivalents. It specifies that the water pump should be a positive displacement pump with a minimum rating of 2 gallons per minute (7.57 liters per minute). Overall, the document provides detailed specifications for the desired equipment and emphasizes the importance of quality, safety, and environmental considerations.
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