# NTSB Safety Recommendation P-76-036

**Citation:** P-76-036  
**Type / status:** guidance / guidance  
**Agency:** National Transportation Safety Board  
**Effective:** 1976-06-18  
**Published:** 1976-06-18

REVIEW ITS RECORDS TO DETERMINE THE EXTENT OF THE SYSTEM WHICH MAY CONTAIN STEEL PIPE JOINED BY CAST IRON FITTINGS SUBJECT TO ADVERSE TRAFFIC LOADS OR FOUNDATION SETTLEMENT. INSPECT AND EVALUATE A REPRESENTATIVE SAMPLE OF THESE FITTINGS, AND IF FURTHER FAILURES OR FAILURE CONDITIONS ARE FOUND, TAKE ACTION TO PREVENT ADDITIONAL FAILURES. (URGENT)

## Document text

NTSB safety recommendation P-76-036.

REVIEW ITS RECORDS TO DETERMINE THE EXTENT OF THE SYSTEM WHICH MAY CONTAIN STEEL PIPE JOINED BY CAST IRON FITTINGS SUBJECT TO ADVERSE TRAFFIC LOADS OR FOUNDATION SETTLEMENT. INSPECT AND EVALUATE A REPRESENTATIVE SAMPLE OF THESE FITTINGS, AND IF FURTHER FAILURES OR FAILURE CONDITIONS ARE FOUND, TAKE ACTION TO PREVENT ADDITIONAL FAILURES. (URGENT)

Priority: CLASS I

Overall Status: Closed - Acceptable Action

Issued Date: 1976-06-18

Adopted Date: 1976-06-18

Overall Date Closed: 1977-07-29

Synopsis: ON JUNE 9, 1976, A HOUSE AT 1214 OAK STREET IN NILES, MICHIGAN, EXPLODED AND BURNED. THE EXPLOSION AND FIRE DESTROYED THE HOUSE AND CRITICALLY BURNED THE THREE OCCUPANTS.

Ntsbnumber: DCA76FP020

Report Number: None

Addressee Name: Michigan Power Company

Addressee Status: Closed--No Longer Applicable

Addressee Date Closed: 1977-07-29

Addressee Organization Type: P-Private Industry

Communication Date: 1976-07-22

Communication Type: Official Correspondence

Communication Contents: LETTER FROM MICHIGAN POWER CO.: ACTIONS TAKEN INCLUDE- 3" GAS MAIN AND SERVICE TO 1200 BLOCK OF OAK STREET REPLACED WITH PLASTIC PIPE; OLD FACILITIES HAVE BEEN CUT, CAPPED AND ABANDONED; SAMPLE EXCAVATIONS MADE EAST AND WEST OF 1200 BLOCK OF OAK STREET. NO SIMILAR PROBLEMS FOUND; INVESTIGATION OF COMPANY RECORDS BEING MADE TO DETERMINE IF SIMILAR MATERIALS WERE USED ELSEWHERE ON SYSTEM.

## Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/carol-main-public/sr-details/P-76-036>
- Source ID: `ntsb-pipeline`
- SHA-256: `264edfd230aafffc62bf04485d8fc38d8995eea7d638f6ffe69365c76e813835`
- Retrieved: 2026-08-20T04:57:24.741Z
- Exported: 2026-08-24T20:09:59.756Z
- Document slug: `ntsb-recommendation-p-76-036`

### Source metadata

```json
{
  "recordKind": "ntsb_safety_recommendation",
  "safetyRecommendationNumber": "P-76-036",
  "recommendationMode": "Pipeline",
  "topicMode": "Pipeline",
  "ntsbNumber": "DCA76FP020",
  "priority": "CLASS I",
  "overallStatus": "Closed - Acceptable Action",
  "overallStatusAcronym": "CAA",
  "overallDateClosed": "1977-07-29",
  "lastModifiedDate": "2017-09-06",
  "reportNumber": "None",
  "reportUrl": null,
  "transmittalLetterUrl": "http://www.ntsb.gov/safety/safety-recs/recletters/P76_36_38.pdf",
  "addressees": [
    {
      "addresseeName": "Michigan Power Company",
      "addresseeStatusAcronym": "CNLA",
      "addresseeStatus": "Closed--No Longer Applicable",
      "addresseeDateClosed": "1977-07-29",
      "addresseeDetails": [
        {
          "addresseeAcronym": null,
          "addresseeOrganizationType": "P-Private Industry",
          "isFromNtsb": false,
          "communicationDate": "1976-07-22",
          "communicationType": "Official Correspondence",
          "communicationContents": "LETTER FROM MICHIGAN POWER CO.: ACTIONS TAKEN INCLUDE- 3\" GAS MAIN AND SERVICE TO 1200 BLOCK OF OAK STREET REPLACED WITH PLASTIC PIPE; OLD FACILITIES HAVE BEEN CUT, CAPPED AND ABANDONED; SAMPLE EXCAVATIONS MADE EAST AND WEST OF 1200 BLOCK OF OAK STREET. NO SIMILAR PROBLEMS FOUND; INVESTIGATION OF COMPANY RECORDS BEING MADE TO DETERMINE IF SIMILAR MATERIALS WERE USED ELSEWHERE ON SYSTEM."
        }
      ]
    }
  ],
  "jurisdiction": "US"
}
```