# 256.11 Interior inspections-waterless holders.

**Citation:** 16 NYCRR 256.11  
**Type / status:** regulation / current  
**Agency:** New York State Public Service Commission  
**Effective:** Not stated  
**Published:** Not stated

Inspection and Maintenance of Gas Holders. (a) Interior inspections shall be made at least once a week and shall in general comprise the following:

Inspection of skylight glass on holder top.

Inspection of lenses in flood lights.

Examination of tar in seal to detect presence of oil and water.

Inspection of piston guide rollers, rubbing bars, and levers for proper lubrication and freedom of moveme

## Document text

(a) Interior inspections shall be made at least once a week and shall in general comprise the following:

Inspection of skylight glass on holder top.

Inspection of lenses in flood lights.

Examination of tar in seal to detect presence of oil and water.

Inspection of piston guide rollers, rubbing bars, and levers for proper lubrication and freedom of movement.

Inspection of sealing or packing rings.

Measuring position of piston to determine piston level.

Inspection of motors, drums, cables, sheaves, safety baskets, and lubrication of motor elevator and hand operated elevator.

(b) The depth of cup tar in each alternate bay shall be measured daily. If the atmospheric temperature is below 26 degrees Farenheit, the condition of tar in seal shall be examined at least every day. The tar in the cup and dam shall be sampled and analyzed at least once a week. When the piston of a waterless holder is of the flexible seal ring type an adequate supply of suitable anti-freeze liquid shall be stored on the piston to insure the prompt removal of any frost and ice that may form on the inner surface of the shell during cold weather.

## Provenance

- Official: Yes
- Source: <https://govt.westlaw.com/nycrr/Document/I505df66bcd1711dda432a117e6e0f345?viewType=FullText&originationContext=documenttoc&transitionType=CategoryPageItem&contextData=(sc.Default)>
- Source ID: `ny-dps-nycrr`
- SHA-256: `d9e31a371d75775c7d30d9745adb0d61ce292f6220f97d59c2e59293d7bc09cd`
- Retrieved: 2026-08-12T06:20:40.894Z
- Exported: 2026-08-25T03:59:22.453Z
- Document slug: `ny-nycrr-256-11`

### Source metadata

```json
{
  "jurisdiction": "US-NY",
  "title": 16,
  "part": "256",
  "partTitle": "Inspection and Maintenance of Gas Holders",
  "scopeKind": "legacy-gas-holder-safety",
  "tocPath": [
    "Part 256. Inspection and Maintenance of Gas Holders"
  ],
  "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 256.11",
  "identityAnomaly": null,
  "references": [],
  "region": "NY"
}
```