GD incident on 2018-01-15 — NV

Operator
Southwest Gas Corp
Cause
Pipe, Weld, Or Joint Failure
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$6,659
Incident datetime
2018-01-15 18:13
Report number
Location
NV, CLARK COUNTY
Narrative
Operator responded to an odors complaint received at 17:00 pdt located in a cul-de-sac near 5454 bristol bend court in las vegas, nv. A hazardous grade 1 leak was discovered on a 4-inch m8100 pipe located near the intersection of hawk springs road and mesa park drive in las vegas, nv. The flow of gas to the section of pipe was taken out of service while repairs were completed which resulted in a service outage of 1768 customers. Based on communications that the public utilities commission of nevada's regulatory operations staff had with the pipeline and hazardous materials safety administration's accident investigation division, part a - 4 "local time and date of the incident" reflects the time operator personnel identified and reported a grade 1 leak on the pipeline. At that time, no incident reporting criteria was met. The shutdown time reported in part a, 13a (21:49) is the earliest date and time a reporting criteria was met. Due to the shutdown of the pipeline, the incident was estimated to reach property damage of $50,000 or more. Telephonic notification was made within one hour of the shutdown time. Part a, 6: southwest gas notified the national response center (nrc) telephonically of the incident on january 15, 2018 at 22:04 pdt. The nrc issued report number 1202010 for the incident. Southwest gas provided a 48-hour update telephonically to the nrc on january 17, 2018 at 14:28 pdt. The nrc issued report number 1202162 for the updated report.
Detailed record list
Occurred At
2018-01-15 18:13:00
Year
2018
Report Received Date
2018-02-14 00:00:00
Iyear
2018.0
Report Number
20180024.0
Supplemental Number
16803.0
Report Type
Original Final
Operator Id
Name
Southwest Gas Corp
Operator Street Address
8360 S. Durango Drive
Operator City Name
Las Vegas
Operator State Abbreviation
NV
Operator Postal Code
89113
Local Datetime
2018-01-15 18:13:00
Location Street Address
Hawk Springs And Mesa Park Dr
Location City Name
Las Vegas
Location County Name
Clark County
Location State Abbreviation
NV
Location Postal Code
89135
Location Latitude
Location Longitude
Nrc Rpt Datetime
2018-01-15 22:04:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
190.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2018-01-15 18:13:00
On Site Datetime
2018-01-15 17:52:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
48.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
2005.0
Pipe Diameter
4.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Performance
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
4710
Release Type
Leak
Leak Type
Connection Failure
Class Location Type
Class 3 Location
Est Cost Oper Paid
12278.0
Est Cost Prop Damage
6659.0
Est Cost Emergency
92783.0
Est Cost Other
0.0
Est Cost Unintentional Release
520.0
Prpty
112240.0
Commercial Affected
2.0
Industrial Affected
0.0
Residences Affected
1766.0
Accident Psig
55.0
Normal Psig
55.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Public
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Pipe, Weld, Or Joint Failure
Cause Details
Fusion Joint
Pwjf Failure Type
Fusion Joint
Plastic Joint Subtype
Butt, Heat Fusion
Fpw Installed Year
2005
Fpw First Plastic Type
Polyethylene (Pe)
Fpw Second Plastic Type
Polyethylene (Pe)
Additional Lack Fusion Ind
Yes
Result Construction Ind
Yes
Result Construction Subtype
Poor Workmanship
Hydrotest Conducted Ind
No
Preparer Name
A**** B****
Preparer Title
Compliance Specialist
Preparer Email
A**********@s****.com
Preparer Telephone
702-365-2077
Preparer Fax
702-365-2205
Authorizer Name
T***** C*****
Authorizer Title
Director Of Gas Operations
Authorizer Telephone
702-365-2028
Authorizer Email
T************@s****.com
Narrative
Operator responded to an odors complaint received at 17:00 pdt located in a cul-de-sac near 5454 bristol bend court in las vegas, nv. A hazardous grade 1 leak was discovered on a 4-inch m8100 pipe located near the intersection of hawk springs road and mesa park drive in las vegas, nv. The flow of gas to the section of pipe was taken out of service while repairs were completed which resulted in a service outage of 1768 customers. Based on communications that the public utilities commission of nevada's regulatory operations staff had with the pipeline and hazardous materials safety administration's accident investigation division, part a - 4 "local time and date of the incident" reflects the time operator personnel identified and reported a grade 1 leak on the pipeline. At that time, no incident reporting criteria was met. The shutdown time reported in part a, 13a (21:49) is the earliest date and time a reporting criteria was met. Due to the shutdown of the pipeline, the incident was estimated to reach property damage of $50,000 or more. Telephonic notification was made within one hour of the shutdown time. Part a, 6: southwest gas notified the national response center (nrc) telephonically of the incident on january 15, 2018 at 22:04 pdt. The nrc issued report number 1202010 for the incident. Southwest gas provided a 48-hour update telephonically to the nrc on january 17, 2018 at 14:28 pdt. The nrc issued report number 1202162 for the updated report.
Occurred At 2018-01-15 18:13:00
Year 2018
Report Received Date 2018-02-14 00:00:00
Iyear 2018.0
Report Number 20180024.0
Supplemental Number 16803.0
Report Type Original Final
Operator Id 18536 PHMSA Enforcement
Name Southwest Gas Corp
Operator Street Address 8360 S. Durango Drive
Operator City Name Las Vegas
Operator State Abbreviation NV
Operator Postal Code 89113
Local Datetime 2018-01-15 18:13:00
Location Street Address Hawk Springs And Mesa Park Dr
Location City Name Las Vegas
Location County Name Clark County
Location State Abbreviation NV
Location Postal Code 89135
Location Latitude 36.0881 Google Maps OpenStreetMap
Location Longitude -115.32332 Google Maps OpenStreetMap
Nrc Rpt Datetime 2018-01-15 22:04:00
Nrc Rpt Num 1202010 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 190.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0.0
Incident Identified Datetime 2018-01-15 18:13:00
On Site Datetime 2018-01-15 17:52:00
Federal No
Location Type Public Property
Incident Area Type Underground
Incident Area Subtype Under Pavement
Depth Of Cover 48.0
Crossing No
Pipe Facility Type Investor Owned
System Part Involved Main
Installation Year 2005.0
Pipe Diameter 4.0
Pipe Specification Astm D2513
Pipe Manufacturer Performance
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Plastic Sdr 11
Material Pe Pipe Code 4710
Release Type Leak
Leak Type Connection Failure
Class Location Type Class 3 Location
Est Cost Oper Paid 12278.0
Est Cost Prop Damage 6659.0
Est Cost Emergency 92783.0
Est Cost Other 0.0
Est Cost Unintentional Release 520.0
Prpty 112240.0
Commercial Affected 2.0
Industrial Affected 0.0
Residences Affected 1766.0
Accident Psig 55.0
Normal Psig 55.0
Mop Psig 60.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Notification From Public
Investigation Status No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Pipe, Weld, Or Joint Failure
Cause Details Fusion Joint
Pwjf Failure Type Fusion Joint
Plastic Joint Subtype Butt, Heat Fusion
Fpw Installed Year 2005
Fpw First Plastic Type Polyethylene (Pe)
Fpw Second Plastic Type Polyethylene (Pe)
Additional Lack Fusion Ind Yes
Result Construction Ind Yes
Result Construction Subtype Poor Workmanship
Hydrotest Conducted Ind No
Preparer Name A**** B****
Preparer Title Compliance Specialist
Preparer Email A**********@s****.com
Preparer Telephone 702-365-2077
Preparer Fax 702-365-2205
Authorizer Name T***** C*****
Authorizer Title Director Of Gas Operations
Authorizer Telephone 702-365-2028
Authorizer Email T************@s****.com
Narrative Operator responded to an odors complaint received at 17:00 pdt located in a cul-de-sac near 5454 bristol bend court in las vegas, nv. A hazardous grade 1 leak was discovered on a 4-inch m8100 pipe located near the intersection of hawk springs road and mesa park drive in las vegas, nv. The flow of gas to the section of pipe was taken out of service while repairs were completed which resulted in a service outage of 1768 customers. Based on communications that the public utilities commission of nevada's regulatory operations staff had with the pipeline and hazardous materials safety administration's accident investigation division, part a - 4 "local time and date of the incident" reflects the time operator personnel identified and reported a grade 1 leak on the pipeline. At that time, no incident reporting criteria was met. The shutdown time reported in part a, 13a (21:49) is the earliest date and time a reporting criteria was met. Due to the shutdown of the pipeline, the incident was estimated to reach property damage of $50,000 or more. Telephonic notification was made within one hour of the shutdown time. Part a, 6: southwest gas notified the national response center (nrc) telephonically of the incident on january 15, 2018 at 22:04 pdt. The nrc issued report number 1202010 for the incident. Southwest gas provided a 48-hour update telephonically to the nrc on january 17, 2018 at 14:28 pdt. The nrc issued report number 1202162 for the updated report.

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