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Flare System Loop Checks
| Device | Function | Date of Inspection | Frequency | Requirement | Documentation |
| ZAX-301 | Position Indication | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| ZSO-301 | Limit Switch on Vapor Valve | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| ZSC-301 | Limit Switch on Vapor Valve | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| PDAL-301 | DP Alarm Low | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| PDSL-301 | DP Switch | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| PDSH-301 | DP Switch | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| TSH-301 | Temp Switch High | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| TAH-301 | DA 301- High Temp Alarm | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| PSH-301 | Pressure Switch before Stage 1&2 Valves | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| PSL-301 | Pressure Switch before Stage 1&2 Valves | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| XSV-301 | Solenoid for Vapor Valve | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| ZAX-302 | Position Indication | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| XSV-302 | Solenoid for Stage 1 Valve | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| ZSO-302 | Valve Position Switch | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| ZSC-302 | Valve Position Switch | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| ZAX-303 | Valve Position Fail Indication | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| XSV-303 | Solenoid for Stage 2 Valve | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| ZSO-303 | Position Switch | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| ZSC-303 | Position Switch | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| TSH-302 | Temp Switch Stage 1 | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| TAH-302 | High Temp Alarm Stage 1 | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| TSH-303 | Temp Switch High Stage 2 | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| TAH-303 | High Temp Alarm Stage 2 | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| HCV-401 | Manual Louvers Stage 1 Blower | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| HCV-402 | Manual Louvers Stage 2 | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| TAH-401 | Stack High Temp Alarm Top | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| TSH-401 | Stack High Temp Switch Top | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| PAL-401 | Pilot Gas Low Pressure Alarm | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| PAH-401 | Pilot Gas Pressure Alarm High | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| PSH-401 | Pilot Gas Pressure Switch High | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| PSL-401 | Pilot Gas Low Pressure Switch | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| XSV-401 | Pilot Gas Block Valve | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| BAL-401 | Flame Detection Relay Alarm | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| BSL-401 | Flame Detection Relay | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| BAL-402 | Flame Detection Relay Alarm | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| BSL-402 | Flame Detection Relay Alarm | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| TIC-402B | Temp Controller | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| PAL-502 | Instrument Air Low Pressure Alarm | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) | |
| PSL-502 | Instrument Air Low Pressure Switch | 08/03/22 | Annually | 33 CFR 156.170 (g)(1) |