Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2017-09-26 — NC
Operator
Piedmont Natural Gas Co Inc
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$167,805
Incident datetime
2017-09-26 14:11
Report number
Location
NC, FORSYTH
Narrative
The winston-salem water department crew tapped a nps 8" steel gas pipe mistaking it for a water line. The tapping bit cut through the main causing a small gas leak but did not result in a major flow or pressure issue. A locate request had been made and the line was properly marked.
Detailed record list
Occurred At
2017-09-26 14:11:00
Year
2017
Report Received Date
2017-10-26 00:00:00
Iyear
2017.0
Report Number
20170093.0
Supplemental Number
16670.0
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
Local Datetime
2017-09-26 12:00:00
Location Street Address
1789 Jonestown Road
Location City Name
Winston-Salem
Location County Name
Forsyth
Location State Abbreviation
NC
Location Postal Code
27103
Location Latitude
36.03787
Location Longitude
-80.33379
Nrc Rpt Datetime
2017-09-28 13:40:00
Nrc Rpt Num
1191780
Commodity Released Type
Natural Gas
Unintentional Release
90.9
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2017-09-26 14:11:00
On Site Datetime
2017-09-26 14:43:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
55.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1980.0
Pipe Diameter
8.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Wt Steel
0.188
Release Type
Mechanical Puncture
Puncture Axial
0.8
Puncture Circum
0.8
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
167805.0
Est Cost Emergency
3817.0
Est Cost Other
0.0
Est Cost Unintentional Release
272.0
Prpty
171894.0
Commercial Affected
1.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
273.0
Normal Psig
275.0
Mop Psig
275.0
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
City of winston-salem water crew tapped line thinking it was a water main.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Outside Force Damage
Cause Details
Other Outside Force Damage
Outside Force Type
Other Outside Force Damage
Osf Other Details
City Of Winston-Salem Water Crew Installed Saddle Tee And Tapped It Thinking The Gas Main Was A Water Main.
Preparer Name
C********** R******
Preparer Title
Pipeline Safety And Comp Analyst
Preparer Email
C******************@p*********.com
Preparer Telephone
704-731-4680
Authorizer Name
F***** B****
Authorizer Title
Manager - Pipeline Safety
Authorizer Telephone
704-731-4618
Authorizer Email
F***********@d**********.com
Narrative
The winston-salem water department crew tapped a nps 8" steel gas pipe mistaking it for a water line. The tapping bit cut through the main causing a small gas leak but did not result in a major flow or pressure issue. A locate request had been made and the line was properly marked.
| Occurred At | 2017-09-26 14:11:00 |
|---|---|
| Year | 2017 |
| Report Received Date | 2017-10-26 00:00:00 |
| Iyear | 2017.0 |
| Report Number | 20170093.0 |
| Supplemental Number | 16670.0 |
| 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 |
| Local Datetime | 2017-09-26 12:00:00 |
| Location Street Address | 1789 Jonestown Road |
| Location City Name | Winston-Salem |
| Location County Name | Forsyth |
| Location State Abbreviation | NC |
| Location Postal Code | 27103 |
| Location Latitude | 36.03787 Google Maps OpenStreetMap |
| Location Longitude | -80.33379 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2017-09-28 13:40:00 |
| Nrc Rpt Num | 1191780 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 90.9 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2017-09-26 14:11:00 |
| On Site Datetime | 2017-09-26 14:43:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 55.0 |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 1980.0 |
| Pipe Diameter | 8.0 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Wt Steel | 0.188 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 0.8 |
| Puncture Circum | 0.8 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 167805.0 |
| Est Cost Emergency | 3817.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 272.0 |
| Prpty | 171894.0 |
| Commercial Affected | 1.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Accident Psig | 273.0 |
| Normal Psig | 275.0 |
| Mop Psig | 275.0 |
| 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 | City of winston-salem water crew tapped line thinking it was a water main. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Other Outside Force Damage |
| Cause Details | Other Outside Force Damage |
| Outside Force Type | Other Outside Force Damage |
| Osf Other Details | City Of Winston-Salem Water Crew Installed Saddle Tee And Tapped It Thinking The Gas Main Was A Water Main. |
| Preparer Name | C********** R****** |
| Preparer Title | Pipeline Safety And Comp Analyst |
| Preparer Email | C******************@p*********.com |
| Preparer Telephone | 704-731-4680 |
| Authorizer Name | F***** B**** |
| Authorizer Title | Manager - Pipeline Safety |
| Authorizer Telephone | 704-731-4618 |
| Authorizer Email | F***********@d**********.com |
| Narrative | The winston-salem water department crew tapped a nps 8" steel gas pipe mistaking it for a water line. The tapping bit cut through the main causing a small gas leak but did not result in a major flow or pressure issue. A locate request had been made and the line was properly marked. |
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