Part 256. Inspection and Maintenance of Gas Holders
- s 256.1 Supervision.
- s 256.2 Forms and reports.
- s 256.3 Fences and enclosures.
- s 256.4 Fire protection.
- s 256.5 Access to waterless holders.
- s 256.6 Exterior and interior elevators--waterless holders.
- s 256.7 First aid and protective equipment.
- s 256.8 Interior inspection and maintenance crew--waterless holders.
- s 256.9 Preliminary precautions before entering piston chamber.
- s 256.10 Tar pumping equipment--waterless holders.
- s 256.11 Interior inspections--waterless holders.
- s 256.12 Atmosphere above piston--waterless holders.
- s 256.13 Holder connections and piping.
- s 256.14 Pressure tanks--foundations and supports.
- s 256.15 Interior inspections--water-seal holders.
- s 256.16 Holder-cups--water-seal holders.
- s 256.17 Exterior inspections--all holders.
- s 256.18 Cutting, welding and caulking.
- s 256.19 Purging.
- s 256.20 Supplementary inspection--all holders.
- s 256.21 General safety provisions.