Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2017-12-20 — AZ
Operator
Southwest Gas Corp
Cause
Locating Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$52,016
Incident datetime
2017-12-20 09:42
Report number
Location
AZ, MARICOPA
Narrative
P/l # 2017-0431 southwest gas corporation (swg) responded to a report of a line break at 8615 e apache trail in mesa arizona. Swg was notified of the incident on december 20, 2017 at 09:42 by mesa fire department. Fire department evacuated 6 people from 5 mobile homes. Swg crews responded and controlled the flow of gas by utilizing valves resulting in an outage of 697 services. There were no injuries or fatalities as a result of the incident. Swg notified the national response center (nrc) on december 20, 2017 at 13:49 and was given nrc report #1200173. Swg provided an update with revised outage of 697 to the nrc on december 21, 2017 at 14:10 and was given nrc report #1200270.
Detailed record list
Occurred At
2017-12-20 09:42:00
Year
2017
Report Received Date
2018-01-12 00:00:00
Iyear
2017.0
Report Number
20180007.0
Supplemental Number
16757.0
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
2017-12-20 09:42:00
Location Street Address
8615 E Apache Trail C-63
Location City Name
Mesa
Location County Name
Maricopa
Location State Abbreviation
AZ
Location Postal Code
85207
Location Latitude
33.41276
Location Longitude
-111.64512
Nrc Rpt Datetime
2017-12-20 13:49:00
Nrc Rpt Num
1200173
Commodity Released Type
Natural Gas
Unintentional Release
187.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
6.0
Incident Identified Datetime
2017-12-20 09:42:00
On Site Datetime
2017-12-20 10:02:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
24.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1966.0
Pipe Diameter
2.0
Pipe Specification
Astm D 2661
Pipe Manufacturer
Unknown
Material Involved
Plastic
Plastic Type
Acrylonitrile Butadiene Styrene (Abs)
Wt Plastic Unknown Ind
Unknown
Release Type
Mechanical Puncture
Puncture Axial
1.0
Puncture Circum
2.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
52016.0
Est Cost Emergency
3500.0
Est Cost Other
0.0
Est Cost Unintentional Release
469.0
Prpty
55985.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
697.0
Accident Psig
36.0
Normal Psig
40.0
Mop Psig
40.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Emergency Responder
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
Yes
Num Contractors Tested
4
Num Contractors Failed
0
Cause
Excavation Damage
Cause Details
Excavation Damage By Operator's Contractor (Second Party)
Ex Party Type
Excavation Damage By Operator's Contractor (Second Party)
Notify Cga Dirt
No
Private Row Ind
Yes
Private Subtype
Private Business
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Natural Gas
One Call Notified Ind
Yes
One Call Ticket Num
20170800871
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
12.0
Root Cause Category
Locating Issue
Root Cause Type
Facility Not Marked Due To Incorrect Facility Records/maps
Preparer Name
S**** B****
Preparer Title
Administrator Division Compliance
Preparer Email
S**********@s****.com
Preparer Telephone
6024845489
Preparer Fax
6024845322
Authorizer Name
M****** C****
Authorizer Title
General Manager Operations
Authorizer Telephone
4807303700
Authorizer Email
M************@s****.com
Narrative
P/l # 2017-0431 southwest gas corporation (swg) responded to a report of a line break at 8615 e apache trail in mesa arizona. Swg was notified of the incident on december 20, 2017 at 09:42 by mesa fire department. Fire department evacuated 6 people from 5 mobile homes. Swg crews responded and controlled the flow of gas by utilizing valves resulting in an outage of 697 services. There were no injuries or fatalities as a result of the incident. Swg notified the national response center (nrc) on december 20, 2017 at 13:49 and was given nrc report #1200173. Swg provided an update with revised outage of 697 to the nrc on december 21, 2017 at 14:10 and was given nrc report #1200270.
| Occurred At | 2017-12-20 09:42:00 |
|---|---|
| Year | 2017 |
| Report Received Date | 2018-01-12 00:00:00 |
| Iyear | 2017.0 |
| Report Number | 20180007.0 |
| Supplemental Number | 16757.0 |
| 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 | 2017-12-20 09:42:00 |
| Location Street Address | 8615 E Apache Trail C-63 |
| Location City Name | Mesa |
| Location County Name | Maricopa |
| Location State Abbreviation | AZ |
| Location Postal Code | 85207 |
| Location Latitude | 33.41276 Google Maps OpenStreetMap |
| Location Longitude | -111.64512 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2017-12-20 13:49:00 |
| Nrc Rpt Num | 1200173 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 187.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 6.0 |
| Incident Identified Datetime | 2017-12-20 09:42:00 |
| On Site Datetime | 2017-12-20 10:02:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 24.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 1966.0 |
| Pipe Diameter | 2.0 |
| Pipe Specification | Astm D 2661 |
| Pipe Manufacturer | Unknown |
| Material Involved | Plastic |
| Plastic Type | Acrylonitrile Butadiene Styrene (Abs) |
| Wt Plastic Unknown Ind | Unknown |
| Release Type | Mechanical Puncture |
| Puncture Axial | 1.0 |
| Puncture Circum | 2.0 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 52016.0 |
| Est Cost Emergency | 3500.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 469.0 |
| Prpty | 55985.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 697.0 |
| Accident Psig | 36.0 |
| Normal Psig | 40.0 |
| Mop Psig | 40.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Notification From Emergency Responder |
| 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 | Yes |
| Num Contractors Tested | 4 |
| Num Contractors Failed | 0 |
| Cause | Excavation Damage |
| Cause Details | Excavation Damage By Operator's Contractor (Second Party) |
| Ex Party Type | Excavation Damage By Operator's Contractor (Second Party) |
| Notify Cga Dirt | No |
| Private Row Ind | Yes |
| Private Subtype | Private Business |
| Excavator Type | Contractor |
| Excavator Equipment | Backhoe/trackhoe |
| Work Performed | Natural Gas |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 20170800871 |
| Locator Type | Contract Locator |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 12.0 |
| Root Cause Category | Locating Issue |
| Root Cause Type | Facility Not Marked Due To Incorrect Facility Records/maps |
| Preparer Name | S**** B**** |
| Preparer Title | Administrator Division Compliance |
| Preparer Email | S**********@s****.com |
| Preparer Telephone | 6024845489 |
| Preparer Fax | 6024845322 |
| Authorizer Name | M****** C**** |
| Authorizer Title | General Manager Operations |
| Authorizer Telephone | 4807303700 |
| Authorizer Email | M************@s****.com |
| Narrative | P/l # 2017-0431 southwest gas corporation (swg) responded to a report of a line break at 8615 e apache trail in mesa arizona. Swg was notified of the incident on december 20, 2017 at 09:42 by mesa fire department. Fire department evacuated 6 people from 5 mobile homes. Swg crews responded and controlled the flow of gas by utilizing valves resulting in an outage of 697 services. There were no injuries or fatalities as a result of the incident. Swg notified the national response center (nrc) on december 20, 2017 at 13:49 and was given nrc report #1200173. Swg provided an update with revised outage of 697 to the nrc on december 21, 2017 at 14:10 and was given nrc report #1200270. |
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