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Safety Recommendation Details

Safety Recommendation P-76-083
Details
Synopsis: ON AUGUST 29, 1976, AN EXPLOSION AND FIRE DESTROYED A HOUSE AT 6521 20TH AVENUE IN KENOSHA, WISCONSIN. TWO PERSONS WERE KILLED, FOUR PERSONS WERE INJURED, AND TWO ADJACENT HOUSES WERE DAMAGED. THE DESTROYED HOUSE WAS NOT SERVED BY NATURAL GAS. HOWEVER, NATURAL GAS, WHICH WAS ESCAPING AT 58 PSIG PRESSURE FROM A PUNCTURED 2-INCH PLASTIC MAIN LOCATED 39 FEET AWAY, HAD ENTERED THE HOUSE THROUGH A 6-INCH SEWER LATERAL. THE GAS WAS IGNITED BY AN UNKNOWN SOURCE.
Recommendation: COMPLETE INSPECTION OF THOSE LOCATIONS ALONG THE CONSTRUCTION ROUTE (DRAWING NO. F-3386-2) WHERE GAS MAINS AND SEWER LATERALS MAY BE IN PROXIMITY TO ONE ANOTHER AND CORRECT ANY DEFICIENCIES. (URGENT)
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Pipeline
Location: Kenosha, WI, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA76FP028
Accident Reports:
Report #: None
Accident Date: 8/29/1976
Issue Date: 10/26/1976
Date Closed: 2/14/1983
Addressee(s) and Addressee Status: Wisconsin Natural Gas Company (Closed--No Longer Applicable)
Keyword(s):

Safety Recommendation History
From: Wisconsin Natural Gas Company
To: NTSB
Date: 3/4/1983
Response:
From: NTSB
To: Wisconsin Natural Gas Company
Date: 2/14/1983
Response:
From: Wisconsin Natural Gas Company
To: NTSB
Date: 10/19/1982
Response: WISCONSIN NATURAL GAS COMPANY LETTER: WISCONSIN NATURAL GAS COMPANY PERFORMED A COMPLETE INSPECTION OF THE ENTIRE PROJECT AREA SHORTLY AFTER THIS INCIDENT OCCURRED. THIS INSPECTION PROGRAM DETERMINED THE LOCATION OF EVERY SEWER LATERAL IN THE CONSTRUCTION AREA BY EITHER INSTRUMENTATION OR EXCAVATION. CORRECTIVE ACTIONS WERE TAKEN AT EVERY LOCATION WHERE A CONFLICT WAS DISCOVERED.
From: NTSB
To: Wisconsin Natural Gas Company
Date: 10/5/1982
Response: