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| 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 operating condition (i.e.; adherence of mortar, deformed molds, etc.). Inspection shall occur at least annually, or whenever there is reason to suspect nonconformance with the standard. |
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| Item | Capping plates | |
| Description | Glass, metal, polished granite, or stone used for forming sulfur caps against | |
| Calibration Item | Gouges, groves, indentations | |
| Calibration Procedure | AASHTO T 231 Sec. 4.1 Visual inspection |
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| Calibration Interval | None stated | |
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| Item | Alignment devices | |
| Description | Guides to insure that a cap does not depart from perpendicularity | |
| Calibration Item | See the general statement above | |
| Calibration Procedure | ||
| Calibration Interval | ||
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| Item | Melting pots for sulfur mortar | |
| Description | Metal pot, or a pot lined with material that is nonreactive with sulfur, used to melt sulfar for making caps | |
| Calibration Item | See the general statement above | |
| Calibration Procedure | ||
| Calibration Interval | ||
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| Item | Capping material | |
| Description | High-strength gypsum cement or sulfur mortar used to cap the ends of cylinders | |
| Calibration Item | Strength | |
| Calibration Procedure | AASHTO T 231 Sec. 5.2 AASHTO T 231 Sec. 5.2.2 |
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| Calibration Interval | Test new lots of material and at intervals not to exceed 3 months | |
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| Item | Exhaust hood | |
| Description | Used to exhaust gases from the melting of sulfur | |
| Calibration Item | See the general statement above | |
| Calibration Procedure | ||
| Calibration Interval | ||
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| Item | Thermometer | |
| Description | Used to monitor the temperature of the melting sulfur | |
| Calibration Item | See the general statement above | |
| Calibration Procedure | ||
| Calibration Interval | ||
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| Item | Hardened cap | |
| Description | Check that the caps are remaining plane throughout the day | |
| Calibration Item | Cap planeness | |
| Calibration Procedure | AASHTO T 231 Sec. 6.2.4 | |
| Calibration Interval | Check 3 specimens each day | |
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