Equipment Checklist for AASHTO T - 113
Lightweight Pieces in Aggregate
 
All equipment shall be inspected for compliance with appropriate dimensions, as stated in each standard, as well as to determine if it is in satisfactory operation condition (i.e. clean, tight and serviceable). Inspection shall occur at least annually, or whenever there is reason to suspect nonconformance with the standard.

 

 
Item Balance
Description Readable to 0.1% of sample mass or better
     
Calibration Item Verify Mass Readings
Calibration Procedure AASHTO M 231
Calibration Interval 12 months
 
Item Sample Containers
Description Suitable for drying the sample; suitable for holding the heavy liquid during the sink float separation
 
Calibration Item Check physical conditions
Calibration Procedure Visual
Calibration Interval 12 months
 
Item Skimmer
Description A piece of #50 sieve cloth
     
Calibration Item Check physical condition and openings
Calibration Procedure AASHTO M-92
Calibration Interval 6 months
 
Item Oven or other approved heat source
Description Must be maintained at 110 + 5 C
     
Calibration Item Verify temperature
Calibration Procedure Verify with calibrated thermometer
Calibration Interval 4 months
 
Item Sieves
Description #50 and #4
     
Calibration Item Check openings and physical condition
Calibration Procedure AASHTO M92
Calibration Interval 6 months
 
Item Hydrometer
Description Conforming to Sec. 5-11 in Specification E 100
     
Calibration Item Capable of Measuring liquid within + 0.01
Calibration Procedure Visual
Calibration Interval 12 months