Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2012-07-24 — TX
Operator
Centerpoint Energy Gas Transmission
Cause
Notification Issue
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$24,825
Incident datetime
2012-07-24 15:23
Report number
Location
TX
Narrative
On 7/24/2012 at 13:26, cegt system control was notified of a possible leak on line a. Cegt personnel were dispatched to investigate and found that a contractor was cleaning ditches for a third party and they hit cegt's pipeline. Cegt personnel reduced the pressure on the line and installed a bolt on sleeve. The repair was made and the line was back in service at 21:17.
Detailed record list
Report Received Date
2012-08-17 00:00:00
Iyear
2012
Report Number
20120084
Supplemental Number
16824
Report Type
Supplemental
Operator Id
Name
Centerpoint Energy Gas Transmission
Operator Street Address
1300 Main Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2012-07-24 13:46:00
Location Latitude
33.43483914
Location Longitude
-93.6434193
Nrc Rpt Num
1018855
Nrc Rpt Datetime
2012-07-24 16:05:00
Commodity Released Type
Natural Gas
Unintentional Release
10300
Intentional Release
1200
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
No
Shutdown Explain
Blew Down To 25 Psi
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2012-07-24 15:23:00
On Site Datetime
2012-07-24 17:35:00
On Off Shore
Onshore
Onshore State Abbreviation
Ar
Onshore Postal Code
71835
Onshore City Name
Lewisville
Onshore County Name
Lafayette
Designated Location
Milepost
Designated Name
2470+45
Pipe Fac Name
Cegt Line A
Segment Name
20640
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
6
Crossing
No
Pipe Facility Type
Interstate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
18
Pipe Wall Thickness
0.25
Pipe Smys
24000
Pipe Specification
Unknown
Pipe Seam Type
Longitudinal Erw - Unknown Frequency
Pipe Manufacturer
Unknown
Pipe Coating Type
Asphalt
Installation Year
1948
Manufactured Year
1948
Material Involved
Carbon Steel
Release Type
Mechanical Puncture
Puncture Axial
5.5
Puncture Circum
3
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
233
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
30900
Est Cost Intentional Release
3636
Est Cost Prop Damage
24825
Est Cost Emergency
0
Est Cost Other
0
Prpty
59361
Accident Psig
278
Mop Psig
350
Mop Cfr Section
192.619(A)(4)
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
31606
Internal Inspection Ind
No
Diameter Change Ind
Yes
Unsuitable Mainline Ind
Yes
Other Inspection Ind
Yes
Internal Inspection Details
Coupled
Operation Complications Ind
No
Pipeline Function
Transmission System
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
Yes
Scada Conf Ind
Yes
Accident Identifier
Notification From Third Party That Caused The Incident
Investigation Status
Yes, specify investigation result(s): (select all that apply)
Invest No Control Room Ind
Yes
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
No
Notify Cga Dirt
No
Pipeline Easement Row Ind
Yes
Excavator Type
Contractor
Excavator Equipment
Grader/scraper
Work Performed
Drainage
One Call Notified Ind
No
Locator Type
Unknown/other
Visible Marks
No
Root Cause Category
Notification Issue
Root Cause Type
No Notification Made To The One-Call Center/811
Preparer Name
J**** C****
Preparer Title
Dot Waiver Specialist
Preparer Email
J**********@c****************.com
Preparer Telephone
3184293664
Preparer Fax
3184293927
Authorizer Name
J***** C*****
Authorizer Title
Dot Compliance Manager
Authorizer Telephone
3184293606
Authorizer Email
J************@c****************.com
Narrative
On 7/24/2012 at 13:26, cegt system control was notified of a possible leak on line a. Cegt personnel were dispatched to investigate and found that a contractor was cleaning ditches for a third party and they hit cegt's pipeline. Cegt personnel reduced the pressure on the line and installed a bolt on sleeve. The repair was made and the line was back in service at 21:17.
| Report Received Date | 2012-08-17 00:00:00 |
|---|---|
| Iyear | 2012 |
| Report Number | 20120084 |
| Supplemental Number | 16824 |
| Report Type | Supplemental |
| Operator Id | 602 PHMSA Enforcement |
| Name | Centerpoint Energy Gas Transmission |
| Operator Street Address | 1300 Main Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2012-07-24 13:46:00 |
| Location Latitude | 33.43483914 Google Maps OpenStreetMap |
| Location Longitude | -93.6434193 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1018855 NRC Report How to search |
| Nrc Rpt Datetime | 2012-07-24 16:05:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 10300 |
| Intentional Release | 1200 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Blew Down To 25 Psi |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2012-07-24 15:23:00 |
| On Site Datetime | 2012-07-24 17:35:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Ar |
| Onshore Postal Code | 71835 |
| Onshore City Name | Lewisville |
| Onshore County Name | Lafayette |
| Designated Location | Milepost |
| Designated Name | 2470+45 |
| Pipe Fac Name | Cegt Line A |
| Segment Name | 20640 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 6 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 18 |
| Pipe Wall Thickness | 0.25 |
| Pipe Smys | 24000 |
| Pipe Specification | Unknown |
| Pipe Seam Type | Longitudinal Erw - Unknown Frequency |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Asphalt |
| Installation Year | 1948 |
| Manufactured Year | 1948 |
| Material Involved | Carbon Steel |
| Release Type | Mechanical Puncture |
| Puncture Axial | 5.5 |
| Puncture Circum | 3 |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 233 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 30900 |
| Est Cost Intentional Release | 3636 |
| Est Cost Prop Damage | 24825 |
| Est Cost Emergency | 0 |
| Est Cost Other | 0 |
| Prpty | 59361 |
| Accident Psig | 278 |
| Mop Psig | 350 |
| Mop Cfr Section | 192.619(A)(4) View CFR 49 §192 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Length Segment Isolated | 31606 |
| Internal Inspection Ind | No |
| Diameter Change Ind | Yes |
| Unsuitable Mainline Ind | Yes |
| Other Inspection Ind | Yes |
| Internal Inspection Details | Coupled |
| Operation Complications Ind | No |
| Pipeline Function | Transmission System |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | Yes |
| Scada Conf Ind | Yes |
| Accident Identifier | Notification From Third Party That Caused The Incident |
| Investigation Status | Yes, specify investigation result(s): (select all that apply) |
| Invest No Control Room Ind | Yes |
| 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 | No |
| Notify Cga Dirt | No |
| Pipeline Easement Row Ind | Yes |
| Excavator Type | Contractor |
| Excavator Equipment | Grader/scraper |
| Work Performed | Drainage |
| One Call Notified Ind | No |
| Locator Type | Unknown/other |
| Visible Marks | No |
| Root Cause Category | Notification Issue |
| Root Cause Type | No Notification Made To The One-Call Center/811 |
| Preparer Name | J**** C**** |
| Preparer Title | Dot Waiver Specialist |
| Preparer Email | J**********@c****************.com |
| Preparer Telephone | 3184293664 |
| Preparer Fax | 3184293927 |
| Authorizer Name | J***** C***** |
| Authorizer Title | Dot Compliance Manager |
| Authorizer Telephone | 3184293606 |
| Authorizer Email | J************@c****************.com |
| Narrative | On 7/24/2012 at 13:26, cegt system control was notified of a possible leak on line a. Cegt personnel were dispatched to investigate and found that a contractor was cleaning ditches for a third party and they hit cegt's pipeline. Cegt personnel reduced the pressure on the line and installed a bolt on sleeve. The repair was made and the line was back in service at 21:17. |
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