# NTSB Safety Recommendation P-77-007

- **operation:** document
- **citation:** P-77-007
- **title:** NTSB Safety Recommendation P-77-007
- **source type:** guidance
- **agency:** National Transportation Safety Board
- **status:** guidance
- **official:** true
- **published on:** 1977-05-26
- **effective on:** 1977-05-26
- **summary:** INSTRUCT ITS PERSONNEL IN INSPECTION TECHNIQUES AND PROCEDURES AND EMPHASIZE THE POTENTIAL HAZARDS OF UNDETECTED FAULTY WELDS AND CONSTRUCTION DAMAGE TO OPERATING PIPELINES.
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- **source url:** https://data.ntsb.gov/carol-main-public/sr-details/P-77-007
**body:**

NTSB safety recommendation P-77-007.

INSTRUCT ITS PERSONNEL IN INSPECTION TECHNIQUES AND PROCEDURES AND EMPHASIZE THE POTENTIAL HAZARDS OF UNDETECTED FAULTY WELDS AND CONSTRUCTION DAMAGE TO OPERATING PIPELINES.

Priority: CLASS II

Overall Status: Closed - Acceptable Action

Issued Date: 1977-05-26

Adopted Date: 1977-05-24

Overall Date Closed: 1978-11-21

Synopsis: ON JANUARY 25, 1977, A LOW-ORDER EXPLOSION AND FIRE DESTROYED A HOUSE IN A RESIDENTIAL AREA NEAR WILLIAMSPORT, PENNSYLVANIA; THE OCCUPANT WAS NOT SERIOUSLY INJURED BY THE EXPLOSION.

Ntsbnumber: DCA77MP011

Report Number: PAR-77-04

Addressee Name: Pennsylvania Gas and Water Company

Addressee Status: Closed--No Longer Applicable

Addressee Date Closed: 1978-11-21

Addressee Organization Type: P-Private Industry

Communication Date: 1977-12-15

Communication Type: Official Correspondence

Communication Contents: PENNSYLVANIA GAS AND WATER COMPANY LTR: WE DO HAVE A CONTINUING PROGRAM AT PENNSYLVANIA GAS AND WATER COMPANY. YOU SHOULD ALSO BE AWARE THAT THE STATE OF PENNSYLVANIA ADOPTED ACT #287 ABOUT THREE YEARS AGO TO SPECIFICALLY PREVENT EXCAVATION WORK FROM DAMAGING UNDERGROUND LINES. THIS ACT HAS GREATLY IMPROVED OUR CONTROL AND COOPERATION WITH OTHER CONSTRUCTION ACTIVITIES.

Addressee Organization Type: P-Private Industry

Communication Date: 1978-12-15

Communication Type: Official Correspondence
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