Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2011-08-01 — MO
Operator
Laclede Gas Co
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$137,258
Incident datetime
2011-08-01 16:50
Report number
Location
MO, ST. LOUIS
Narrative
Water escaping at high pressure through a hole in a 6" diameter water main scoured a large oval shaped hole in a 4" plastic gas main. According to information obtained from the water company water system pressure was between 160 and 170 psi at that location at the time. The two mains cross each other at this intersection.
Detailed record list
Occurred At
2011-08-01 16:50:00
Year
2011
Report Received Date
2011-08-30 00:00:00
Iyear
2011.0
Report Number
20110318.0
Supplemental Number
15311.0
Report Type
Original Final
Operator Id
11032
Name
Laclede Gas Co
Operator Street Address
720 Olive Street
Operator City Name
St. Louis
Operator State Abbreviation
MO
Operator Postal Code
63101
Local Datetime
2011-08-01 16:50:00
Location Street Address
Big Timber Lane At Mill Spring Court
Location City Name
Chesterfield
Location County Name
St. Louis
Location State Abbreviation
MO
Location Postal Code
63017
Location Latitude
38.636331
Location Longitude
-90.530507
Nrc Rpt Datetime
2011-08-02 12:20:00
Nrc Rpt Num
984661
Commodity Released Type
Natural Gas
Unintentional Release
87.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2011-08-01 16:50:00
On Site Datetime
2011-08-01 17:36:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
37.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1978.0
Pipe Diameter
4.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Plexo (Phillips Resin Tr 418)
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11.5
Material Pe Pipe Code
2306
Release Type
Mechanical Puncture
Puncture Axial
4.5
Puncture Circum
1.8
Class Location Type
Class 3 Location
Est Cost Oper Paid
2400.0
Est Cost Prop Damage
137258.0
Est Cost Emergency
2000.0
Est Cost Other
0.0
Est Cost Unintentional Release
568.0
Prpty
142226.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
259.0
Accident Psig
17.5
Normal Psig
18.0
Mop Psig
60.0
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 Public
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
System pressure was within normal operating range.
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
Escaping Water At High Pressure From Nearby Water Main Break Scoured A Hole In The Plastic Gas Main.
Preparer Name
M*** D* L*****
Preparer Title
Superintendent Maintenance Engineering
Preparer Email
M******@l*********.com
Preparer Telephone
314-658-5413
Preparer Fax
314-535-5075
Authorizer Name
C**** R* H********
Authorizer Title
Assistant Vp Engineering And Field Services
Authorizer Telephone
314-658-5410
Authorizer Email
C*********@l*********.com
Narrative
Water escaping at high pressure through a hole in a 6" diameter water main scoured a large oval shaped hole in a 4" plastic gas main. According to information obtained from the water company water system pressure was between 160 and 170 psi at that location at the time. The two mains cross each other at this intersection.
| Occurred At | 2011-08-01 16:50:00 |
|---|---|
| Year | 2011 |
| Report Received Date | 2011-08-30 00:00:00 |
| Iyear | 2011.0 |
| Report Number | 20110318.0 |
| Supplemental Number | 15311.0 |
| Report Type | Original Final |
| Operator Id | 11032 PHMSA Enforcement |
| Name | Laclede Gas Co |
| Operator Street Address | 720 Olive Street |
| Operator City Name | St. Louis |
| Operator State Abbreviation | MO |
| Operator Postal Code | 63101 |
| Local Datetime | 2011-08-01 16:50:00 |
| Location Street Address | Big Timber Lane At Mill Spring Court |
| Location City Name | Chesterfield |
| Location County Name | St. Louis |
| Location State Abbreviation | MO |
| Location Postal Code | 63017 |
| Location Latitude | 38.636331 Google Maps OpenStreetMap |
| Location Longitude | -90.530507 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2011-08-02 12:20:00 |
| Nrc Rpt Num | 984661 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 87.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2011-08-01 16:50:00 |
| On Site Datetime | 2011-08-01 17:36:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 37.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 1978.0 |
| Pipe Diameter | 4.0 |
| Pipe Specification | Astm D2513 |
| Pipe Manufacturer | Plexo (Phillips Resin Tr 418) |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11.5 |
| Material Pe Pipe Code | 2306 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 4.5 |
| Puncture Circum | 1.8 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 2400.0 |
| Est Cost Prop Damage | 137258.0 |
| Est Cost Emergency | 2000.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 568.0 |
| Prpty | 142226.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 259.0 |
| Accident Psig | 17.5 |
| Normal Psig | 18.0 |
| Mop Psig | 60.0 |
| 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 Public |
| 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 | System pressure was within normal operating range. |
| 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 | Escaping Water At High Pressure From Nearby Water Main Break Scoured A Hole In The Plastic Gas Main. |
| Preparer Name | M*** D* L***** |
| Preparer Title | Superintendent Maintenance Engineering |
| Preparer Email | M******@l*********.com |
| Preparer Telephone | 314-658-5413 |
| Preparer Fax | 314-535-5075 |
| Authorizer Name | C**** R* H******** |
| Authorizer Title | Assistant Vp Engineering And Field Services |
| Authorizer Telephone | 314-658-5410 |
| Authorizer Email | C*********@l*********.com |
| Narrative | Water escaping at high pressure through a hole in a 6" diameter water main scoured a large oval shaped hole in a 4" plastic gas main. According to information obtained from the water company water system pressure was between 160 and 170 psi at that location at the time. The two mains cross each other at this intersection. |
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