Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2025-05-22 — NC
Operator
Piedmont Natural Gas Co Inc
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$206,970
Incident datetime
2025-05-22 00:00 UTC
Report number
Location
NC, NEW HANOVER
Narrative
Contractor bored into a 6" plastic main while installing a fiber conduit. The damage resulted in 7 customer outages. Use of mechanized equipment in the tolerance zone & excavator failed to support and protect facilities. The national response center (nrc) was not notified because at the time of the incident it was not expected to meet the reporting threshold.
Detailed record list
Report Received Date
2025-05-22 00:00:00
Iyear
2025.0
Report Number
20250032.0
Supplemental Number
40926.0
Report Type
Original Final
Operator Id
15518
Name
Piedmont Natural Gas Co Inc
Operator Street Address
525 South Tryon Street
Operator City Name
Charlotte
Operator State Abbreviation
NC
Operator Postal Code
28202.0
Time Zone
Eastern
Daylight Savings Ind
Yes
Location Street Address
6769 Gordon Road
Location City Name
Wilmington
Location County Name
New Hanover
Location State Abbreviation
NC
Location Postal Code
28411.0
Location Latitude
34.263893
Location Longitude
-77.831927
Flow Cont Squeeze Off Ind
Yes
Commodity Released Type
Natural Gas
Unintentional Release
946.82
Intentional Release
0.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Num Pub Evacuated
0.0
Communication State Fed Ind
No
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
78.0
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
2003.0
Pipe Diameter
6.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Wt Plastic Unknown Ind
Unknown
Material Pe Pipe Code
Unknown
Release Type
Mechanical Puncture
Puncture Axial
2.0
Puncture Circum
2.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
206970.0
Est Cost Emergency
0.0
Est Cost Other
0.0
Gas Cost In Mcf
4.5
Est Cost Unintentional Release
4261.0
Est Cost Intentional Release
0.0
Prpty
211231.0
Commercial Affected
7.0
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
7.0
Accident Psig
55.0
Normal Psig
55.0
Mop Psig
75.0
Mop Cfr Section
192.619(A)(2)
Maop Established Date
2003-02-20 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 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
Excavation damage from a telecom install.
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
Pipeline Easement Row Ind
Yes
Joint Trench Ind
No
Cross Bore Ind
No
Depth Of Grade
> 36�
Excavator Type
Contractor
Excavator Equipment
Boring
Work Performed
Telecommunications
One Call Notified Ind
Yes
White Lined Ind
Unknown
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
8.0
Root Cause Category
Excavation Issue
Root Cause Type
Excavator Failed To Maintain Clearance After Verifying Marks
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 Governance Manager
Authorizer Telephone
704-731-4618
Authorizer Email
F***********@d**********.com
Narrative
Contractor bored into a 6" plastic main while installing a fiber conduit. The damage resulted in 7 customer outages. Use of mechanized equipment in the tolerance zone & excavator failed to support and protect facilities. The national response center (nrc) was not notified because at the time of the incident it was not expected to meet the reporting threshold.
| Report Received Date | 2025-05-22 00:00:00 |
|---|---|
| Iyear | 2025.0 |
| Report Number | 20250032.0 |
| Supplemental Number | 40926.0 |
| Report Type | Original 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 | 28202.0 |
| Time Zone | Eastern |
| Daylight Savings Ind | Yes |
| Location Street Address | 6769 Gordon Road |
| Location City Name | Wilmington |
| Location County Name | New Hanover |
| Location State Abbreviation | NC |
| Location Postal Code | 28411.0 |
| Location Latitude | 34.263893 Google Maps OpenStreetMap |
| Location Longitude | -77.831927 Google Maps OpenStreetMap |
| Flow Cont Squeeze Off Ind | Yes |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 946.82 |
| Intentional Release | 0.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Num Pub Evacuated | 0.0 |
| Communication State Fed Ind | No |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 78.0 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 2003.0 |
| Pipe Diameter | 6.0 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Wt Plastic Unknown Ind | Unknown |
| Material Pe Pipe Code | Unknown |
| Release Type | Mechanical Puncture |
| Puncture Axial | 2.0 |
| Puncture Circum | 2.0 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 206970.0 |
| Est Cost Emergency | 0.0 |
| Est Cost Other | 0.0 |
| Gas Cost In Mcf | 4.5 |
| Est Cost Unintentional Release | 4261.0 |
| Est Cost Intentional Release | 0.0 |
| Prpty | 211231.0 |
| Commercial Affected | 7.0 |
| 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 | 7.0 |
| Accident Psig | 55.0 |
| Normal Psig | 55.0 |
| Mop Psig | 75.0 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 2003-02-20 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 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 | Excavation damage from a telecom install. |
| 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 |
| Pipeline Easement Row Ind | Yes |
| Joint Trench Ind | No |
| Cross Bore Ind | No |
| Depth Of Grade | > 36� |
| Excavator Type | Contractor |
| Excavator Equipment | Boring |
| Work Performed | Telecommunications |
| One Call Notified Ind | Yes |
| White Lined Ind | Unknown |
| Locator Type | Contract Locator |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 8.0 |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Excavator Failed To Maintain Clearance After Verifying Marks |
| 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 Governance Manager |
| Authorizer Telephone | 704-731-4618 |
| Authorizer Email | F***********@d**********.com |
| Narrative | Contractor bored into a 6" plastic main while installing a fiber conduit. The damage resulted in 7 customer outages. Use of mechanized equipment in the tolerance zone & excavator failed to support and protect facilities. The national response center (nrc) was not notified because at the time of the incident it was not expected to meet the reporting threshold. |
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