Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2019-01-31 — OH
Operator
Columbia Gas Of Ohio Inc
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$20,000
Incident datetime
2019-01-31 13:37
Report number
Location
OH, SCIOTO
Narrative
On january 31, 2019 columbia was called to 1209 coles blvd for an odor in the atmosphere. Columbia personnel were on-site investigating the odor report when an explosion occurred at 1245 coles blvd. Unit 29. Prior to the explosion columbia employees conducted a leak investigation, established a leakage perimeter, removed manhole covers to facilitate venting, set up traffic control, called for additional support, evacuated the eight unit apartment building and turned the service off to all units. A leak was discovered on a 6" bare steel main approximately 85' from the foundation of 1245 coles blvd unit 32. The 6" bare steel main was operating at 38 pounds at the time of the incident. A non-causal leak was detected nearby on the 4" bare steel main operating at 3.9 pounds. The leaks were repaired and service restored to five of the eight units. Columbia worked with the puco, state fire marshall and the portsmouth fire department to complete the investigation. It's columbia's opinion that the leak from the 6" bare steel main likely migrated through the combination storm and sanitary sewer into the floor drain of 1245 coles blvd, unit 29. Columbia verified that the floor drain of unit 29 directly communicated with the combination storm drain and sanitary sewer via use of a video camera. Columbia is replacing both the 6" bare steel and 4" bare steel mains within the area of 1245 coles blvd in 2019. Columbia considers this its final report and no other reports are forthcoming.
Detailed record list
Occurred At
2019-01-31 13:37:00
Year
2019
Report Received Date
2019-03-01 00:00:00
Iyear
2019.0
Report Number
20190020.0
Supplemental Number
32148.0
Report Type
Supplemental Final
Operator Id
2596
Name
Columbia Gas Of Ohio Inc
Operator Street Address
290 W Nationwide Blvd
Operator City Name
Columbus
Operator State Abbreviation
OH
Operator Postal Code
43215
Local Datetime
2019-01-31 13:37:00
Location Street Address
1245 Coles Blvd.
Location City Name
Portsmouth
Location County Name
Scioto
Location State Abbreviation
OH
Location Postal Code
45662-2653
Location Latitude
38.75909
Location Longitude
-82.98471
Nrc Rpt Datetime
2019-01-31 15:55:00
Nrc Rpt Num
1236454
Commodity Released Type
Natural Gas
Unintentional Release
760.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
25.0
Incident Identified Datetime
2019-01-31 13:37:00
On Site Datetime
2019-01-31 12:46:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
16.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Pipe Diameter
6.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Wt Steel
0.25
Release Type
Leak
Leak Type
Other
Leak Type Other
Localized Corrosion
Class Location Type
Class 3 Location
Est Cost Oper Paid
200000.0
Est Cost Prop Damage
20000.0
Est Cost Emergency
20000.0
Est Cost Other
0.0
Est Cost Unintentional Release
2600.0
Prpty
242600.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
3.0
Accident Psig
38.0
Normal Psig
38.0
Mop Psig
56.0
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
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
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
No alarm was triggered.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
Localized Pitting
Galvanic Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
Yes
Under Cathodic Protection Ind
No
Shielding Evident
No
Cathodic Survey Type
No
Prior Damage
No
Coating Type
None
Cor Hydrotest Leak Survey Date
2017-09-22 00:00:00
Cor Hydrotest Conducted Ind
No
Preparer Name
R** R* S****
Preparer Title
Manager Of Compliance
Preparer Email
R******@n*******.com
Preparer Telephone
614-818-2110
Preparer Fax
614-818-2151
Authorizer Name
R** R* S****
Authorizer Title
Manager Of Compliance
Authorizer Telephone
614-818-2110
Authorizer Email
R******@n*******.com
Narrative
On january 31, 2019 columbia was called to 1209 coles blvd for an odor in the atmosphere. Columbia personnel were on-site investigating the odor report when an explosion occurred at 1245 coles blvd. Unit 29. Prior to the explosion columbia employees conducted a leak investigation, established a leakage perimeter, removed manhole covers to facilitate venting, set up traffic control, called for additional support, evacuated the eight unit apartment building and turned the service off to all units. A leak was discovered on a 6" bare steel main approximately 85' from the foundation of 1245 coles blvd unit 32. The 6" bare steel main was operating at 38 pounds at the time of the incident. A non-causal leak was detected nearby on the 4" bare steel main operating at 3.9 pounds. The leaks were repaired and service restored to five of the eight units. Columbia worked with the puco, state fire marshall and the portsmouth fire department to complete the investigation. It's columbia's opinion that the leak from the 6" bare steel main likely migrated through the combination storm and sanitary sewer into the floor drain of 1245 coles blvd, unit 29. Columbia verified that the floor drain of unit 29 directly communicated with the combination storm drain and sanitary sewer via use of a video camera. Columbia is replacing both the 6" bare steel and 4" bare steel mains within the area of 1245 coles blvd in 2019. Columbia considers this its final report and no other reports are forthcoming.
| Occurred At | 2019-01-31 13:37:00 |
|---|---|
| Year | 2019 |
| Report Received Date | 2019-03-01 00:00:00 |
| Iyear | 2019.0 |
| Report Number | 20190020.0 |
| Supplemental Number | 32148.0 |
| Report Type | Supplemental Final |
| Operator Id | 2596 PHMSA Enforcement |
| Name | Columbia Gas Of Ohio Inc |
| Operator Street Address | 290 W Nationwide Blvd |
| Operator City Name | Columbus |
| Operator State Abbreviation | OH |
| Operator Postal Code | 43215 |
| Local Datetime | 2019-01-31 13:37:00 |
| Location Street Address | 1245 Coles Blvd. |
| Location City Name | Portsmouth |
| Location County Name | Scioto |
| Location State Abbreviation | OH |
| Location Postal Code | 45662-2653 |
| Location Latitude | 38.75909 Google Maps OpenStreetMap |
| Location Longitude | -82.98471 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2019-01-31 15:55:00 |
| Nrc Rpt Num | 1236454 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 760.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | Yes |
| Explode Ind | Yes |
| Num Pub Evacuated | 25.0 |
| Incident Identified Datetime | 2019-01-31 13:37:00 |
| On Site Datetime | 2019-01-31 12:46:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 16.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Pipe Diameter | 6.0 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Wt Steel | 0.25 |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Localized Corrosion |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 200000.0 |
| Est Cost Prop Damage | 20000.0 |
| Est Cost Emergency | 20000.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 2600.0 |
| Prpty | 242600.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 3.0 |
| Accident Psig | 38.0 |
| Normal Psig | 38.0 |
| Mop Psig | 56.0 |
| 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 | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| 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 | No alarm was triggered. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | External Corrosion |
| Internal External | External Corrosion |
| Visual Exam Results | Localized Pitting |
| Galvanic Corrosion Ind | Yes |
| Field Exam Basis Ind | Yes |
| Underground Location | Yes |
| Under Cathodic Protection Ind | No |
| Shielding Evident | No |
| Cathodic Survey Type | No |
| Prior Damage | No |
| Coating Type | None |
| Cor Hydrotest Leak Survey Date | 2017-09-22 00:00:00 |
| Cor Hydrotest Conducted Ind | No |
| Preparer Name | R** R* S**** |
| Preparer Title | Manager Of Compliance |
| Preparer Email | R******@n*******.com |
| Preparer Telephone | 614-818-2110 |
| Preparer Fax | 614-818-2151 |
| Authorizer Name | R** R* S**** |
| Authorizer Title | Manager Of Compliance |
| Authorizer Telephone | 614-818-2110 |
| Authorizer Email | R******@n*******.com |
| Narrative | On january 31, 2019 columbia was called to 1209 coles blvd for an odor in the atmosphere. Columbia personnel were on-site investigating the odor report when an explosion occurred at 1245 coles blvd. Unit 29. Prior to the explosion columbia employees conducted a leak investigation, established a leakage perimeter, removed manhole covers to facilitate venting, set up traffic control, called for additional support, evacuated the eight unit apartment building and turned the service off to all units. A leak was discovered on a 6" bare steel main approximately 85' from the foundation of 1245 coles blvd unit 32. The 6" bare steel main was operating at 38 pounds at the time of the incident. A non-causal leak was detected nearby on the 4" bare steel main operating at 3.9 pounds. The leaks were repaired and service restored to five of the eight units. Columbia worked with the puco, state fire marshall and the portsmouth fire department to complete the investigation. It's columbia's opinion that the leak from the 6" bare steel main likely migrated through the combination storm and sanitary sewer into the floor drain of 1245 coles blvd, unit 29. Columbia verified that the floor drain of unit 29 directly communicated with the combination storm drain and sanitary sewer via use of a video camera. Columbia is replacing both the 6" bare steel and 4" bare steel mains within the area of 1245 coles blvd in 2019. Columbia considers this its final report and no other reports are forthcoming. |
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