Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2019-04-17 — NV
Operator
Southwest Gas Corp
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$79,778
Incident datetime
2019-04-17 01:10
Report number
Location
NV, CLARK COUNTY
Narrative
Southwest gas was notified on april 17, 2019 at 00:35 pst by las vegas electric of a damage that occurred on a 2-inch pe service line to 1175 e. Flamingo road located on maryland pkwy south of flamingo rd in las vegas, nv. The flow of gas to the section of pipe was taken out of service by utilizing the valve isolation plan while repairs were completed, which resulted in an outage of 664 active 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 southwest gas was notified of a damage on the pipeline. At the time, no incident reporting criteria was met. Part a, 6: southwest gas notified the national response center (nrc) telephonically of the incident on april 18, 2019 at 08:51 pst, due to increasing costs associated with the repair and relight activities, that would possibly meet the $50,000 reporting criteria. The nrc issued report number 1243087 for the incident. Southwest gas provided a 48-hour update telephonically to the nrc on april 19, 2019 at 14:14 pst. The nrc issued report number 1243222 for the updated report.
Detailed record list
Occurred At
2019-04-17 01:10:00
Year
2019
Report Received Date
2019-05-14 00:00:00
Iyear
2019.0
Report Number
20190051.0
Supplemental Number
32129.0
Report Type
Original Final
Operator Id
18536
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
2019-04-17 00:35:00
Location Street Address
1175 E. Flamingo Road
Location City Name
Las Vegas
Location County Name
Clark County
Location State Abbreviation
NV
Location Postal Code
89119
Location Latitude
36.11406
Location Longitude
-115.13796
Nrc Rpt Datetime
2019-04-18 08:51:00
Nrc Rpt Num
1243087
Commodity Released Type
Natural Gas
Unintentional Release
235.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2019-04-17 01:10:00
On Site Datetime
2019-04-17 01:10:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
34.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Service
Installation Year
2015.0
Pipe Diameter
2.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Performance Pipe
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
4710
Release Type
Mechanical Puncture
Puncture Axial
4.0
Puncture Circum
2.4
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
79778.0
Est Cost Emergency
1843.0
Est Cost Other
0.0
Est Cost Unintentional Release
554.0
Prpty
82175.0
Commercial Affected
211.0
Industrial Affected
0.0
Residences Affected
453.0
Accident Psig
28.0
Normal Psig
33.0
Mop Psig
33.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Accident Identifier
Notification From Third Party That Caused The Incident
Investigation Status
No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate)
Investigation Status Details
The gas line was damaged by a third party contractor.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Excavation Damage
Cause Details
Excavation Damage By Third Party
Ex Party Type
Excavation Damage By Third Party
Prior Notification Ind
Yes
One Call System Ind
Yes
Notify Cga Dirt
No
Public Row Ind
Yes
Public Subtype
County Road
Excavator Type
Contractor
Excavator Equipment
Trencher
Work Performed
Electric
One Call Notified Ind
Yes
One Call Ticket Num
909100557
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
19.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Excavation Practice Not Listed Above
Preparer Name
Y***** B******
Preparer Title
Compliance Specialist
Preparer Email
Y*************@s****.com
Preparer Telephone
702-365-2149
Preparer Fax
702-365-2205
Authorizer Name
A****** H****
Authorizer Title
Director Of Gas Operations
Authorizer Telephone
702-365-2049
Authorizer Email
A************@s****.com
Narrative
Southwest gas was notified on april 17, 2019 at 00:35 pst by las vegas electric of a damage that occurred on a 2-inch pe service line to 1175 e. Flamingo road located on maryland pkwy south of flamingo rd in las vegas, nv. The flow of gas to the section of pipe was taken out of service by utilizing the valve isolation plan while repairs were completed, which resulted in an outage of 664 active 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 southwest gas was notified of a damage on the pipeline. At the time, no incident reporting criteria was met. Part a, 6: southwest gas notified the national response center (nrc) telephonically of the incident on april 18, 2019 at 08:51 pst, due to increasing costs associated with the repair and relight activities, that would possibly meet the $50,000 reporting criteria. The nrc issued report number 1243087 for the incident. Southwest gas provided a 48-hour update telephonically to the nrc on april 19, 2019 at 14:14 pst. The nrc issued report number 1243222 for the updated report.
| Occurred At | 2019-04-17 01:10:00 |
|---|---|
| Year | 2019 |
| Report Received Date | 2019-05-14 00:00:00 |
| Iyear | 2019.0 |
| Report Number | 20190051.0 |
| Supplemental Number | 32129.0 |
| 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 | 2019-04-17 00:35:00 |
| Location Street Address | 1175 E. Flamingo Road |
| Location City Name | Las Vegas |
| Location County Name | Clark County |
| Location State Abbreviation | NV |
| Location Postal Code | 89119 |
| Location Latitude | 36.11406 Google Maps OpenStreetMap |
| Location Longitude | -115.13796 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2019-04-18 08:51:00 |
| Nrc Rpt Num | 1243087 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 235.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2019-04-17 01:10:00 |
| On Site Datetime | 2019-04-17 01:10:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 34.0 |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Service |
| Installation Year | 2015.0 |
| Pipe Diameter | 2.0 |
| Pipe Specification | Astm D2513 |
| Pipe Manufacturer | Performance Pipe |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11 |
| Material Pe Pipe Code | 4710 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 4.0 |
| Puncture Circum | 2.4 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 79778.0 |
| Est Cost Emergency | 1843.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 554.0 |
| Prpty | 82175.0 |
| Commercial Affected | 211.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 453.0 |
| Accident Psig | 28.0 |
| Normal Psig | 33.0 |
| Mop Psig | 33.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | No |
| Accident Identifier | Notification From Third Party That Caused The Incident |
| Investigation Status | No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate) |
| Investigation Status Details | The gas line was damaged by a third party contractor. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Excavation Damage |
| Cause Details | Excavation Damage By Third Party |
| Ex Party Type | Excavation Damage By Third Party |
| Prior Notification Ind | Yes |
| One Call System Ind | Yes |
| Notify Cga Dirt | No |
| Public Row Ind | Yes |
| Public Subtype | County Road |
| Excavator Type | Contractor |
| Excavator Equipment | Trencher |
| Work Performed | Electric |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 909100557 |
| Locator Type | Contract Locator |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 19.0 |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Improper Excavation Practice Not Listed Above |
| Preparer Name | Y***** B****** |
| Preparer Title | Compliance Specialist |
| Preparer Email | Y*************@s****.com |
| Preparer Telephone | 702-365-2149 |
| Preparer Fax | 702-365-2205 |
| Authorizer Name | A****** H**** |
| Authorizer Title | Director Of Gas Operations |
| Authorizer Telephone | 702-365-2049 |
| Authorizer Email | A************@s****.com |
| Narrative | Southwest gas was notified on april 17, 2019 at 00:35 pst by las vegas electric of a damage that occurred on a 2-inch pe service line to 1175 e. Flamingo road located on maryland pkwy south of flamingo rd in las vegas, nv. The flow of gas to the section of pipe was taken out of service by utilizing the valve isolation plan while repairs were completed, which resulted in an outage of 664 active 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 southwest gas was notified of a damage on the pipeline. At the time, no incident reporting criteria was met. Part a, 6: southwest gas notified the national response center (nrc) telephonically of the incident on april 18, 2019 at 08:51 pst, due to increasing costs associated with the repair and relight activities, that would possibly meet the $50,000 reporting criteria. The nrc issued report number 1243087 for the incident. Southwest gas provided a 48-hour update telephonically to the nrc on april 19, 2019 at 14:14 pst. The nrc issued report number 1243222 for the updated report. |
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