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Safety Recommendation Details

Safety Recommendation P-96-010
Details
Synopsis: ABOUT 6:45 P.M. ON 6/9/94, A 2-INCH-DIAMETER STEEL GAS SERVICE LINE THAT HAD BEEN EXPOSED DURING EXCAVATION SEPARATED AT A COMPRESSION COUPLING ABOUT 5 FEET FROM THE NORTH WALL OF JOHN T. GROSS TOWERS, AN EIGHT-STORY RETIREMENT HOME OPERATED BY THE ALLENTOWN HOUSING AUTHORITY AT ALLENTOWN, PENNSYLVANIA. THE FAILED UGI UTILITIES, INC,. (UGI) SERVICE LINE RELEASED NATAURAL GAS AT 55 PSIG PRESSURE, & THE ESCAPING GAS FLOWED UNDERGROUND TO GROSS TOWERS. THE GAS PASSED THROUGH OPENINGS IN THE BUILDING FOUNDATION, ENTERED THE MECHANICAL ROOM THROUGH FLOOR VENTS, & MIGRATED TO OTHER BUILDING FLOORS.
Recommendation: THE NTSB RECOMMENDS THAT THE GOVERNOR OF THE COMMONWEALTH OF PENNSYLVANIA: REQUIRE EACH EXCAVATOR TO OUTLINE THE AREA OF THE PROPOSED EXCAVATION BEFORE ASKING THE FACILITY OPERATORS TO MARK THE LOCATIONS OF THEIR FACILITES,
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Alternate Action
Mode: Pipeline
Location: Allentown, PA, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA94MP003
Accident Reports:
UGI Utilities, Inc., Natural Gas Distribution Pipeline Explosion and Fire
Report #: PAR-96-01
Accident Date: 6/9/1994
Issue Date: 3/6/1996
Date Closed: 1/12/2001
Addressee(s) and Addressee Status: Commonwealth of Pennsylvania (Closed - Acceptable Alternate Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: Commonwealth of Pennsylvania
Date: 1/12/2001
Response: BECAUSE THE PENNSYLVANIA UNDERGROUND UTILITY LINE PROTECTION ACT INCLUDES A PROVISION THAT REQUIRES A CONTRACTOR TO USE THE COLOR WHITE TO MARK A PROPOSED EXCAVATION SITE WHEN EXACT SITE INFORMATION CANNOT BE PROVIDED, P-96-10 IS CLASSIFIED "CLOSED--ACCEPTABLE ALTERNATE ACTION."

From: Commonwealth of Pennsylvania
To: NTSB
Date: 8/15/2000
Response: Letter Mail Controlled 09/05/2000 8:01:54 AM MC# 2001113 THE ONLY PROVISION IN THE UNDERGROUND UTILITY LINE PROTECTION ACT RELATED TO WHITE PAINT OUTLINING MENTIONS THAT "A CONTRACTOR SHALL USE THE COLOR WHITE TO MARK A PROPOSED EXCAVATION SITE WHEN EXACT SITE INFORMATION CANNOT BE PROVIDED."

From: NTSB
To: Commonwealth of Pennsylvania
Date: 6/27/2000
Response: TO DATE THERE HAS BEEN NO RESPONSE TO P-96-8, -9 AND -10. THE SAFETY BOARD WOULD APPRECIATE LEARNING WHAT ACTION YOUR STATE HAS TAKEN TO IMPLEMENT THESE RECOMMENDATIONS.

From: Commonwealth of Pennsylvania
To: NTSB
Date: 5/2/1996
Response: