# 257.9 Operating and maintenance procedures. **Citation:** 16 NYCRR 257.9 **Type / status:** regulation / current **Agency:** New York State Public Service Commission **Effective:** Not stated **Published:** Not stated Liquefied Petroleum Gas Plants. (a) Each gas corporation shall develop operating and maintenance procedures based on the provisions of this Part, its experience and its knowledge of its facilities and conditions under which they are operated. The procedures shall encompass operations, maintenance, and safety procedures. The procedures must be reviewed and updated by each gas corporation at ## Document text (a) Each gas corporation shall develop operating and maintenance procedures based on the provisions of this Part, its experience and its knowledge of its facilities and conditions under which they are operated. The procedures shall encompass operations, maintenance, and safety procedures. The procedures must be reviewed and updated by each gas corporation at intervals not exceeding 15 months, but at least once each calendar year. (b) Each gas corporation shall make available for inspection by the department its written procedures for maintaining compliance with the operations and maintenance safety provisions of this Part. Written notification of revision to these written procedures shall be made to the department at least 30 days prior to the effective date. Minor revisions that do not affect the intent of the procedure may be implemented immediately. (c) Each gas corporation shall have current written operating and maintenance procedures available at the LPG facility. (d) Each gas corporation shall satisfactorily conform with its procedures. (e) Safety procedures shall be those involving the safety of the facility, employees and the general public. They shall specify equipment, piping, valves and other components to be inspected or tested, the time schedules of such inspections or tests, and the program to remedy deficiencies or failures uncovered. (f) Written procedures shall, at a minimum include, as applicable, the following: (1) fire protection system; (2) operating signal devices; (3) relief valve inspection with a provision that all servicing and replacement of Rego valves shall be done by a two-person team, with the second person responsible for verifying that each step is taken in the procedure being performed; (4) structural inspection; (5) corrosion control; (6) functional inspection; (7) pumps and compressors; (8) valves and operators; (9) standby electrical system inspection; (10) communication equipment; (11) housekeeping; (12) leakage surveys; (13) LGP transfer operations; (14) regulator inspections for lockup; and (15) calorimeter inspection. (g) Procedures shall be developed to notify service personnel, emergency crews and other involved employees when LPG is being distributed. All such employees shall be trained in the properties of LPG or mixtures with other gases, the changes of the lower explosive limit and specific gravity and effects of such changes. ## Provenance - Official: Yes - Source: - Source ID: `ny-dps-nycrr` - SHA-256: `da25ab63f456f255a18986444596f902829414d916f2e5e30728b019d5e7502a` - Retrieved: 2026-08-12T06:20:40.894Z - Exported: 2026-08-26T19:40:24.934Z - Document slug: `ny-nycrr-257-9` ### Source metadata ```json { "jurisdiction": "US-NY", "title": 16, "part": "257", "partTitle": "Liquefied Petroleum Gas Plants", "scopeKind": "legacy-lpg-plant-safety", "tocPath": [ "Part 257 Liquefied Petroleum Gas Plants" ], "legalScope": "Complete current terminal legal unit exposed by the DPS-designated Title 16 NYCRR pipeline-safety part inventory.", "applicabilityCaveat": "Applicability depends on the part and section, Commission jurisdiction, commodity and facility type, intrastate or interstate status, operator and activity, exemptions, waivers, federal preemption, Commission orders, and incorporated law. DPS inspects portions of interstate systems for PHMSA, but PHMSA retains federal enforcement authority. DPS states that all jurisdictional Part 256 gas-holder and Part 257 LPG-plant facilities have been decommissioned even though those regulations remain unrepealed.", "incorporationCaveat": "These parts incorporate or rely on federal pipeline regulations, federal and New York statutes, Commission rules and orders, and privately authored technical standards. Part 10 supplies incorporation details. References metadata preserves explicit citations but does not reproduce external material, determine licensing rights, or decide whether a particular incorporation is static or dynamic.", "publicationCaveat": "The New York Department of Public Service identifies these eleven Title 16 NYCRR parts as its state pipeline-safety regulations and links to the public DOS/Westlaw NYCRR reading copy. That site labels the online text unofficial and directs users needing evidentiary accuracy to the Official NYCRR maintained by the Department of State Division of Administrative Rules. Each section's 'Current through' date is the most recent official NYCRR supplement covering that section, not a uniform corpus-wide amendment date.", "rights": "New York government-edict text is preserved with DPS, Department of State, and publisher attribution. The public reading site's presentation and enhancements, agency marks, forms, annotations, and incorporated federal or privately authored standards require separate rights review; this connector does not claim rights in those materials.", "rightsReviewRequired": true, "currentThrough": "2024-05-31", "historyEvents": "No event is emitted because the section reading copy does not supply an explicit adoption, filing, or effective-date history.", "publisherCitation": "16 CRR-NY 257.9", "identityAnomaly": null, "references": [], "region": "NY" } ```