GD incident on 2019-07-02 — AZ

Operator
Southwest Gas Corp
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$136,417
Incident datetime
2019-07-02 10:03
Report number
Location
AZ, MARICOPA
Narrative
On july 2, 2019 at 10:03 southwest gas corporation (swg) was notified by scottsdale fire department of a possible bore hit at scottsdale road, north of sky song boulevard. Swg crews responded and found that a 2" service line had been hit by the horizontal drilling bit being operated by a 3rd party contractor working for a communications utility company. Swg controlled the flow of gas by utilizing valves which resulted in an outage of 1,673 accounts. There were no injuries or fatalities as a result of the incident. Swg notified the national response center (nrc) on july 2, 2019 at 12:37 and was given the nrc report #1250776. Swg provided an update to the nrc on july 3, 2019 at 15:00 and was given nrc report #1250908.
Detailed record list
Occurred At
2019-07-02 10:03:00
Year
2019
Report Received Date
2019-07-22 00:00:00
Iyear
2019.0
Report Number
20190079.0
Supplemental Number
32458.0
Report Type
Supplemental 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
2019-07-02 10:03:00
Location Street Address
Scottsdale Rd & Sky Song Blvd
Location City Name
Scottsdale
Location County Name
Maricopa
Location State Abbreviation
AZ
Location Postal Code
85257
Location Latitude
Location Longitude
Nrc Rpt Datetime
2019-07-02 12:37:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
219.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
15.0
Incident Identified Datetime
2019-07-02 10:03:00
On Site Datetime
2019-07-02 10:20:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Other
Incident Area Details
Under Concrete
Depth Of Cover
36.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Service
Installation Year
2016.0
Pipe Diameter
2.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Chevron Phillips
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
8100
Release Type
Mechanical Puncture
Puncture Axial
2.5
Puncture Circum
0.1
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
136417.0
Est Cost Emergency
2000.0
Est Cost Other
0.0
Est Cost Unintentional Release
247.0
Prpty
138664.0
Commercial Affected
100.0
Industrial Affected
0.0
Residences Affected
1573.0
Accident Psig
26.0
Normal Psig
26.0
Mop Psig
30.0
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
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
Yes
Public Util Easement Row Ind
Yes
Excavator Type
Contractor
Excavator Equipment
Directional Drilling
Work Performed
Cable Tv
One Call Notified Ind
Yes
One Call Ticket Num
2.01905e+11
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
23.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Excavation Practice Not Listed Above
Preparer Name
S**** B****
Preparer Title
Administrator Division Compliance
Preparer Email
S**********@s****.com
Preparer Telephone
6024845489
Preparer Fax
6024845322
Authorizer Name
H******* N*****
Authorizer Title
Director Central Support
Authorizer Telephone
6024845355
Authorizer Email
H**************@s****.com
Narrative
On july 2, 2019 at 10:03 southwest gas corporation (swg) was notified by scottsdale fire department of a possible bore hit at scottsdale road, north of sky song boulevard. Swg crews responded and found that a 2" service line had been hit by the horizontal drilling bit being operated by a 3rd party contractor working for a communications utility company. Swg controlled the flow of gas by utilizing valves which resulted in an outage of 1,673 accounts. There were no injuries or fatalities as a result of the incident. Swg notified the national response center (nrc) on july 2, 2019 at 12:37 and was given the nrc report #1250776. Swg provided an update to the nrc on july 3, 2019 at 15:00 and was given nrc report #1250908.
Occurred At 2019-07-02 10:03:00
Year 2019
Report Received Date 2019-07-22 00:00:00
Iyear 2019.0
Report Number 20190079.0
Supplemental Number 32458.0
Report Type Supplemental 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 2019-07-02 10:03:00
Location Street Address Scottsdale Rd & Sky Song Blvd
Location City Name Scottsdale
Location County Name Maricopa
Location State Abbreviation AZ
Location Postal Code 85257
Location Latitude 33.46452 Google Maps OpenStreetMap
Location Longitude -111.92604 Google Maps OpenStreetMap
Nrc Rpt Datetime 2019-07-02 12:37:00
Nrc Rpt Num 1250776 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 219.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind No
Explode Ind No
Num Pub Evacuated 15.0
Incident Identified Datetime 2019-07-02 10:03:00
On Site Datetime 2019-07-02 10:20:00
Federal No
Location Type Utility Right-Of-Way / Easement
Incident Area Type Underground
Incident Area Subtype Other
Incident Area Details Under Concrete
Depth Of Cover 36.0
Crossing No
Pipe Facility Type Investor Owned
System Part Involved Service
Installation Year 2016.0
Pipe Diameter 2.0
Pipe Specification Astm D2513
Pipe Manufacturer Chevron Phillips
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Plastic Sdr 11
Material Pe Pipe Code 8100
Release Type Mechanical Puncture
Puncture Axial 2.5
Puncture Circum 0.1
Class Location Type Class 3 Location
Est Cost Oper Paid 0.0
Est Cost Prop Damage 136417.0
Est Cost Emergency 2000.0
Est Cost Other 0.0
Est Cost Unintentional Release 247.0
Prpty 138664.0
Commercial Affected 100.0
Industrial Affected 0.0
Residences Affected 1573.0
Accident Psig 26.0
Normal Psig 26.0
Mop Psig 30.0
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 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 Yes
Public Util Easement Row Ind Yes
Excavator Type Contractor
Excavator Equipment Directional Drilling
Work Performed Cable Tv
One Call Notified Ind Yes
One Call Ticket Num 2.01905e+11
Locator Type Contract Locator
Visible Marks Yes
Service Interruption Yes
Service Interruption Hours 23.0
Root Cause Category Excavation Issue
Root Cause Type Improper Excavation Practice Not Listed Above
Preparer Name S**** B****
Preparer Title Administrator Division Compliance
Preparer Email S**********@s****.com
Preparer Telephone 6024845489
Preparer Fax 6024845322
Authorizer Name H******* N*****
Authorizer Title Director Central Support
Authorizer Telephone 6024845355
Authorizer Email H**************@s****.com
Narrative On july 2, 2019 at 10:03 southwest gas corporation (swg) was notified by scottsdale fire department of a possible bore hit at scottsdale road, north of sky song boulevard. Swg crews responded and found that a 2" service line had been hit by the horizontal drilling bit being operated by a 3rd party contractor working for a communications utility company. Swg controlled the flow of gas by utilizing valves which resulted in an outage of 1,673 accounts. There were no injuries or fatalities as a result of the incident. Swg notified the national response center (nrc) on july 2, 2019 at 12:37 and was given the nrc report #1250776. Swg provided an update to the nrc on july 3, 2019 at 15:00 and was given nrc report #1250908.

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