Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2010-07-02 — TN
Operator
Middle Tennessee Natural Gas Util Dist
Cause
Notification Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$1,000
Incident datetime
2010-07-02 08:30
Report number
Location
TN, PUTNAM
Narrative
Contractor, w&o construction, ruptured middle tennessee natural gas utility district's 2" pe gas main while trenching (vemeer t855 trencher) for water line installation. The escaping gas was ignited by the trencher, and the trencher burned. One call center was not called, operator was not called before the incident, pipe was not located. During emergency response, pipe was squeezed off and capped on each side of the incident to stop gas flow. Damaged area of pipe was cut out. A new section of pipe will be installed in this area at a later date. Third party contractor damages from this incident are estimated at $50,000. Operator damages are estimated at $2,024.
Detailed record list
Occurred At
2010-07-02 08:30:00
Year
2010
Report Received Date
2010-07-14 00:00:00
Iyear
2010.0
Report Number
20100050.0
Supplemental Number
15064.0
Report Type
Original Final
Operator Id
12438
Name
Middle Tennessee Natural Gas Util Dist
Operator Street Address
P.o. Box 670, 1030 West Broad St
Operator City Name
Smithville
Operator State Abbreviation
TN
Operator Postal Code
37166
Local Datetime
2010-07-02 08:30:00
Location Street Address
1800 Chinkapin Trail
Location City Name
Monterey
Location County Name
Putnam
Location State Abbreviation
TN
Location Postal Code
38574-0000
Location Latitude
36.04843
Location Longitude
-85.25952
Nrc Rpt Datetime
2010-07-02 10:00:00
Nrc Rpt Num
946324
Commodity Released Type
Natural Gas
Unintentional Release
2.6
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2010-07-02 08:30:00
On Site Datetime
2010-07-02 08:50:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Crossing
No
Pipe Facility Type
Municipally Owned
System Part Involved
Main
Installation Year
2009.0
Pipe Diameter
2.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Phillips -Driscoplex
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
2406
Release Type
Mechanical Puncture
Puncture Axial
8.0
Puncture Circum
1.0
Class Location Type
Class 2 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
1000.0
Est Cost Emergency
1000.0
Est Cost Other Details
Third Party Con. Had Cost Of Trencher Est. At $50,000. Not An Operator Cost.
Est Cost Unintentional Release
24.0
Prpty
2024.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
50.0
Normal Psig
50.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
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
No
Notify Cga Dirt
Yes
Public Row Ind
Yes
Public Subtype
County Road
Excavator Type
Contractor
Excavator Equipment
Trencher
Work Performed
Water
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**** E* H*****
Preparer Title
Vice President Engineering
Preparer Email
J******@m***.com
Preparer Telephone
615-597-4300
Preparer Fax
615-597-6331
Authorizer Name
L***** B* E**** I*
Authorizer Title
Executive Vp And Ceo
Authorizer Telephone
615-597-4300
Authorizer Email
L*****@m***.com
Narrative
Contractor, w&o construction, ruptured middle tennessee natural gas utility district's 2" pe gas main while trenching (vemeer t855 trencher) for water line installation. The escaping gas was ignited by the trencher, and the trencher burned. One call center was not called, operator was not called before the incident, pipe was not located. During emergency response, pipe was squeezed off and capped on each side of the incident to stop gas flow. Damaged area of pipe was cut out. A new section of pipe will be installed in this area at a later date. Third party contractor damages from this incident are estimated at $50,000. Operator damages are estimated at $2,024.
| Occurred At | 2010-07-02 08:30:00 |
|---|---|
| Year | 2010 |
| Report Received Date | 2010-07-14 00:00:00 |
| Iyear | 2010.0 |
| Report Number | 20100050.0 |
| Supplemental Number | 15064.0 |
| Report Type | Original Final |
| Operator Id | 12438 PHMSA Enforcement |
| Name | Middle Tennessee Natural Gas Util Dist |
| Operator Street Address | P.o. Box 670, 1030 West Broad St |
| Operator City Name | Smithville |
| Operator State Abbreviation | TN |
| Operator Postal Code | 37166 |
| Local Datetime | 2010-07-02 08:30:00 |
| Location Street Address | 1800 Chinkapin Trail |
| Location City Name | Monterey |
| Location County Name | Putnam |
| Location State Abbreviation | TN |
| Location Postal Code | 38574-0000 |
| Location Latitude | 36.04843 Google Maps OpenStreetMap |
| Location Longitude | -85.25952 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2010-07-02 10:00:00 |
| Nrc Rpt Num | 946324 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 2.6 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | Yes |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2010-07-02 08:30:00 |
| On Site Datetime | 2010-07-02 08:50:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Crossing | No |
| Pipe Facility Type | Municipally Owned |
| System Part Involved | Main |
| Installation Year | 2009.0 |
| Pipe Diameter | 2.0 |
| Pipe Specification | Astm D2513 |
| Pipe Manufacturer | Phillips -Driscoplex |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11 |
| Material Pe Pipe Code | 2406 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 8.0 |
| Puncture Circum | 1.0 |
| Class Location Type | Class 2 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 1000.0 |
| Est Cost Emergency | 1000.0 |
| Est Cost Other Details | Third Party Con. Had Cost Of Trencher Est. At $50,000. Not An Operator Cost. |
| Est Cost Unintentional Release | 24.0 |
| Prpty | 2024.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Accident Psig | 50.0 |
| Normal Psig | 50.0 |
| Mop Psig | 60.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| 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 | No |
| Notify Cga Dirt | Yes |
| Public Row Ind | Yes |
| Public Subtype | County Road |
| Excavator Type | Contractor |
| Excavator Equipment | Trencher |
| Work Performed | Water |
| 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**** E* H***** |
| Preparer Title | Vice President Engineering |
| Preparer Email | J******@m***.com |
| Preparer Telephone | 615-597-4300 |
| Preparer Fax | 615-597-6331 |
| Authorizer Name | L***** B* E**** I* |
| Authorizer Title | Executive Vp And Ceo |
| Authorizer Telephone | 615-597-4300 |
| Authorizer Email | L*****@m***.com |
| Narrative | Contractor, w&o construction, ruptured middle tennessee natural gas utility district's 2" pe gas main while trenching (vemeer t855 trencher) for water line installation. The escaping gas was ignited by the trencher, and the trencher burned. One call center was not called, operator was not called before the incident, pipe was not located. During emergency response, pipe was squeezed off and capped on each side of the incident to stop gas flow. Damaged area of pipe was cut out. A new section of pipe will be installed in this area at a later date. Third party contractor damages from this incident are estimated at $50,000. Operator damages are estimated at $2,024. |
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