GD incident on 2022-02-16 — SC

Operator
Piedmont Natural Gas Co Inc
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$226,000
Incident datetime
2022-02-16 10:20
Report number
Location
SC, GREENVILLE
Narrative
The use of mechanized equipment in the tolerance zone & excavator failed to support and protect facilities. Water company contractor was on a site to install water service to a customer. Tapping what they believed was the water main, was instead an 8" high pressure gas main. The water contractor stopped when gas was released and reported a gas leak.
Detailed record list
Occurred At
2022-02-16 10:20:00
Year
2022
Report Received Date
2022-03-03 00:00:00
Iyear
2022.0
Report Number
20220019.0
Supplemental Number
36639.0
Report Type
Supplemental Final
Operator Id
Name
Piedmont Natural Gas Co Inc
Operator Street Address
525 South Tryon Street
Operator City Name
Charlotte
Operator State Abbreviation
NC
Operator Postal Code
28202
Local Datetime
2022-02-16 10:20:00
Time Zone
Eastern
Daylight Savings Ind
No
Location Street Address
944 Mcelhaney Road
Location City Name
Travelers Rest
Location County Name
Greenville
Location State Abbreviation
SC
Location Postal Code
29690
Location Latitude
Location Longitude
Flow Cont Stopple Fitng Ind
Yes
Nrc Rpt Datetime
2022-02-16 15:27:00
Nrc Rpt Num
Additional Nrc Report Numbers
1329121
Commodity Released Type
Natural Gas
Unintentional Release
8710.0
Intentional Release
0.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2022-02-16 10:20:00
Communication State Fed Ind
No
On Site Datetime
2022-02-16 11:39:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
36.0
Other Underground Facilities
Yes
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1962.0
Pipe Diameter
8.0
Pipe Specification
M10048
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Mechanical Puncture
Puncture Axial
1.0
Puncture Circum
1.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
226000.0
Est Cost Emergency
70000.0
Est Cost Other
0.0
Gas Cost In Mcf
4.0
Est Cost Unintentional Release
34840.0
Est Cost Intentional Release
0.0
Prpty
330840.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Num Persons Hosp Not Ovnght
0.0
Num Injured Treated By Emt
0.0
Num Resident Building Affctd
0.0
Num Business Building Affctd
0.0
Accident Psig
200.0
Normal Psig
200.0
Mop Psig
250.0
Mop Cfr Section
192.619(A)(2)
Maop Established Date
1962-06-25 00:00:00
Accident Pressure
Pressure Did Not Exceed Maop
Gas Odorized System Type
None
Gas Odorized Lvl Not Msrd Ind
Yes
Scada In Place Ind
No
Accident Identifier
Notification From Third Party That Caused The Incident
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
State Law Exempt Ind
No
Notify Cga Dirt
No
Public Row Ind
Yes
Public Subtype
City Street
Excavator Type
Utility
Excavator Equipment
Boring
Work Performed
Water
One Call Notified Ind
Yes
One Call Ticket Num
2112131188
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
No
Root Cause Category
Excavation Issue
Root Cause Type
Improper Backfilling Practices
Preparer Name
C********** R******
Preparer Title
Gas Regulatory Compliance Analyst
Preparer Email
C******************@d**********.com
Preparer Telephone
704-731-4680
Authorizer Name
F***** B****
Authorizer Title
Pipeline Safety Manager
Authorizer Telephone
704-731-4618
Authorizer Email
F***********@d**********.com
Narrative
The use of mechanized equipment in the tolerance zone & excavator failed to support and protect facilities. Water company contractor was on a site to install water service to a customer. Tapping what they believed was the water main, was instead an 8" high pressure gas main. The water contractor stopped when gas was released and reported a gas leak.
Occurred At 2022-02-16 10:20:00
Year 2022
Report Received Date 2022-03-03 00:00:00
Iyear 2022.0
Report Number 20220019.0
Supplemental Number 36639.0
Report Type Supplemental Final
Operator Id 15518 PHMSA Enforcement
Name Piedmont Natural Gas Co Inc
Operator Street Address 525 South Tryon Street
Operator City Name Charlotte
Operator State Abbreviation NC
Operator Postal Code 28202
Local Datetime 2022-02-16 10:20:00
Time Zone Eastern
Daylight Savings Ind No
Location Street Address 944 Mcelhaney Road
Location City Name Travelers Rest
Location County Name Greenville
Location State Abbreviation SC
Location Postal Code 29690
Location Latitude 34.95438 Google Maps OpenStreetMap
Location Longitude -82.466539 Google Maps OpenStreetMap
Flow Cont Stopple Fitng Ind Yes
Nrc Rpt Datetime 2022-02-16 15:27:00
Nrc Rpt Num 1329042 NRC Report How to search
Additional Nrc Report Numbers 1329121
Commodity Released Type Natural Gas
Unintentional Release 8710.0
Intentional Release 0.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind No
Num Pub Evacuated 0.0
Incident Identified Datetime 2022-02-16 10:20:00
Communication State Fed Ind No
On Site Datetime 2022-02-16 11:39:00
Federal No
Location Type Utility Right-Of-Way / Easement
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 36.0
Other Underground Facilities Yes
Crossing No
Pipe Facility Type Investor Owned
System Part Involved Main
Installation Year 1962.0
Pipe Diameter 8.0
Pipe Specification M10048
Pipe Manufacturer Unknown
Material Involved Steel
Steel Seam Type Other
Steel Seam Type Details Unknown
Release Type Mechanical Puncture
Puncture Axial 1.0
Puncture Circum 1.0
Class Location Type Class 3 Location
Est Cost Oper Paid 0.0
Est Cost Prop Damage 226000.0
Est Cost Emergency 70000.0
Est Cost Other 0.0
Gas Cost In Mcf 4.0
Est Cost Unintentional Release 34840.0
Est Cost Intentional Release 0.0
Prpty 330840.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 0.0
Num Persons Hosp Not Ovnght 0.0
Num Injured Treated By Emt 0.0
Num Resident Building Affctd 0.0
Num Business Building Affctd 0.0
Accident Psig 200.0
Normal Psig 200.0
Mop Psig 250.0
Mop Cfr Section 192.619(A)(2) View CFR 49 §192
Maop Established Date 1962-06-25 00:00:00
Accident Pressure Pressure Did Not Exceed Maop
Gas Odorized System Type None
Gas Odorized Lvl Not Msrd Ind Yes
Scada In Place Ind No
Accident Identifier Notification From Third Party That Caused The Incident
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
State Law Exempt Ind No
Notify Cga Dirt No
Public Row Ind Yes
Public Subtype City Street
Excavator Type Utility
Excavator Equipment Boring
Work Performed Water
One Call Notified Ind Yes
One Call Ticket Num 2112131188
Locator Type Contract Locator
Visible Marks Yes
Service Interruption No
Root Cause Category Excavation Issue
Root Cause Type Improper Backfilling Practices
Preparer Name C********** R******
Preparer Title Gas Regulatory Compliance Analyst
Preparer Email C******************@d**********.com
Preparer Telephone 704-731-4680
Authorizer Name F***** B****
Authorizer Title Pipeline Safety Manager
Authorizer Telephone 704-731-4618
Authorizer Email F***********@d**********.com
Narrative The use of mechanized equipment in the tolerance zone & excavator failed to support and protect facilities. Water company contractor was on a site to install water service to a customer. Tapping what they believed was the water main, was instead an 8" high pressure gas main. The water contractor stopped when gas was released and reported a gas leak.

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