Gyratory Compactor Specifications.docx
DOCX document 14 KB Posted
- Attached to
- 109-410653/Gyratory Compactor Bid
- Solicitation number
- SRC0000021343
- Issued by
- Marshall County, Alabama
About this file
The document is Gyratory Compactor Specifications from the Alabama Department of Transportation (ALDOT). It details the technical specifications for a gyratory compactor to be procured by ALDOT. The compactor must be the latest model, have an electromechanical design, produce 150mm diameter hot mix asphalt specimens between 60-170mm in height, apply 600kPa of pressure while gyrating the specimen 30 +/- 0.35 mrad, and record specimen height every gyration. The compactor must include accessories such as specimen protector discs, compaction molds, data storage, and USB/Ethernet connectivity. The compactor must have been recommended in writing by one of the listed regional asphalt testing centers. The related state and local contract opportunity is for the procurement of 2 gyratory compactors to be delivered to ALDOT's Guntersville Area Office Equipment, with the brand required to be greater than or equal to Pines AFG2A. The procurement is open to all vendors, with the bid price to include shipping charges.
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Text version
Alabama Department of Transportation Gyratory Compactor (Non-Shear)
The gyratory compactor shall be the newest model at the time of purchase with an electromechanical compactor with a ram and ram heads having a minimum Rockwell hardness of C48. The gyratory compactor shall be non-hydraulic and capable of producing 150 mm (+/-0.1 mm) diameter hot mix asphalt specimens between 60 and 170 mm in height by compressing the specimen at 600 kPa (+/- 18kPa) while gyrating the specimen 30 +/- .35 mrad (1.16 degrees +/- 0.02 degrees)) and shall record specimen’s height to the nearest 0.1 mm (minimum precision 0.1 mm) every gyration (at least once per gyration) during compaction. The compactor shall have a sample extruder/extruder function. The compactor shall be mounted on swivel castors or like devices to insure compactor mobility within the laboratory.
The compactor shall be furnished with the following minimum accessories:
500 specimen protector paper discs (150 mm diameter).
Four (4) 150 mm diameter compaction molds (with bottom and top plates as required for each mold).
Internal data storage (minimum of 20 tests) that records the specimen height of each gyration.
USB port or Ethernet port capabilities.
The compactor shall have the ability to add the shear value option at a later date.
The bid gyratory compactor shall have been recommended in writing by one of the following SuperPave regional centers:
Auburn University (NCAT), Auburn, Alabama Pennsylvania State University, State College, Pennsylvania Purdue University, West Lafayette, Indiana.
University of Texas at Austin, Austin, Texas.
University of Nevada at Reno, Reno, Nevada
Bid price should include shipping charges to ALDOT, Guntersville Area Office Equipment, 23445 U.S. Highway 431, Guntersville, Alabama 35976.
File details come from the government source that posted it. Updated .