# NTSB Safety Recommendation P-73-020

**Citation:** P-73-020  
**Type / status:** guidance / guidance  
**Agency:** National Transportation Safety Board  
**Effective:** 1973-06-18  
**Published:** 1973-06-18

THE NTSB RECOMMENDS THAT THE NATIONAL ASSOCIATION OF REGULATORY UTILITY COMMISSIONERS: URGE ITS MEMBER COMMISSIONS TO ENCOURAGE THE ESTABLISHMENT OF LOCAL AND STATEWIDE UTILITY COORDINATION COMMITTEES WHERE NONE EXIST.

## Document text

NTSB safety recommendation P-73-020.

THE NTSB RECOMMENDS THAT THE NATIONAL ASSOCIATION OF REGULATORY UTILITY COMMISSIONERS: URGE ITS MEMBER COMMISSIONS TO ENCOURAGE THE ESTABLISHMENT OF LOCAL AND STATEWIDE UTILITY COORDINATION COMMITTEES WHERE NONE EXIST.

Priority: CLASS II

Overall Status: Closed - Acceptable Action

Issued Date: 1973-06-18

Adopted Date: 1973-06-07

Overall Date Closed: 1976-07-20

Synopsis: "SPECIAL STUDY - PREVENTION OF DAMAGE TO PIPELINES." THIS SPECIAL STUDY CONCERNS DAMAGE TO GAS AND LIQUID PIPELINES CAUSED BY EXCAVATION AND CONSTRUCTION ACTIVITIES, INCLUDING BLASTING.

Ntsbnumber: 80571

Report Number: PSS-73-01

Addressee Name: National Association of Regulatory Utility Commissioners

Addressee Status: Closed--No Longer Applicable

Addressee Date Closed: 1976-07-20

Addressee Acronym: NARUC

Addressee Organization Type: A-Associations

Communication Date: 1973-10-02

Communication Type: Official Correspondence

Communication Contents: LETTER FROM NARUC: THE NARUC COMMITTEE ON GAS HAS TAKEN TWO SIGNIFICANT STEPS AIMED AT REDUCING PIPELINE DAMAGE BY OUTSIDE SOURCES. ONE OF THESE STEPS INVOLVES PREPARATION OF A MODEL STATE STATUTE DESIGNED TO ASSIST IN PREVENTING SUCH DAMAGE, AND THE OTHER INVOLVES A SUGGESTED STATE-WIDE ONE-CALL NOTICE SYSTEM TO CENTRALIZE INFORMATION RELATING TO UNDERGROUND STRUCTURES AS A MEANS OF ELIMINATING DAMAGE FROM OUTSIDE SOURCES.

## Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/carol-main-public/sr-details/P-73-020>
- Source ID: `ntsb-pipeline`
- SHA-256: `c6bebbaf8da42a7c5f949e031b251d39233e2c691052f5f5cb7598d856953a24`
- Retrieved: 2026-08-20T04:57:24.741Z
- Exported: 2026-08-22T04:30:35.299Z
- Document slug: `ntsb-recommendation-p-73-020`

### Source metadata

```json
{
  "recordKind": "ntsb_safety_recommendation",
  "safetyRecommendationNumber": "P-73-020",
  "recommendationMode": "Pipeline",
  "topicMode": "Pipeline",
  "ntsbNumber": "80571",
  "priority": "CLASS II",
  "overallStatus": "Closed - Acceptable Action",
  "overallStatusAcronym": "CAA",
  "overallDateClosed": "1976-07-20",
  "lastModifiedDate": "2016-11-15",
  "reportNumber": "PSS-73-01",
  "reportUrl": "https://www.ntsb.gov/investigations/Pages/80571.aspx",
  "transmittalLetterUrl": "http://www.ntsb.gov/safety/safety-recs/recletters/P73_12_28.pdf",
  "addressees": [
    {
      "addresseeName": "National Association of Regulatory Utility Commissioners",
      "addresseeStatusAcronym": "CNLA",
      "addresseeStatus": "Closed--No Longer Applicable",
      "addresseeDateClosed": "1976-07-20",
      "addresseeDetails": [
        {
          "addresseeAcronym": "NARUC",
          "addresseeOrganizationType": "A-Associations",
          "isFromNtsb": false,
          "communicationDate": "1973-10-02",
          "communicationType": "Official Correspondence",
          "communicationContents": "LETTER FROM NARUC: THE NARUC COMMITTEE ON GAS HAS TAKEN TWO SIGNIFICANT STEPS AIMED AT REDUCING PIPELINE DAMAGE BY OUTSIDE SOURCES. ONE OF THESE STEPS INVOLVES PREPARATION OF A MODEL STATE STATUTE DESIGNED TO ASSIST IN PREVENTING SUCH DAMAGE, AND THE OTHER INVOLVES A SUGGESTED STATE-WIDE ONE-CALL NOTICE SYSTEM TO CENTRALIZE INFORMATION RELATING TO UNDERGROUND STRUCTURES AS A MEANS OF ELIMINATING DAMAGE FROM OUTSIDE SOURCES."
        }
      ]
    }
  ],
  "jurisdiction": "US"
}
```