Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2011-04-09 — IA
Operator
City Of Mapleton
Cause
Natural Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$200
Incident datetime
2011-04-09 19:20
Report number
Location
IA
Narrative
April 9, 2011, approximately 7:20 pm tornado struck mapleton affecting 60% of community. Large tree uprooted and pulled 2" polyethylene main out of the ground severing line. It was uncertain of the damage to the rest of the system so the tbs was shut down, affecting all 600 customers. All meters were shut off by noon april 10. After repairs system repressurized at 3:00 pm to verify no leaks. Relights began at 4:09 pm and first pass through town complete by 5:00 p.M. On april 11. Final customer that could be relit was at 9:00 am april 13, 2011.
Detailed record list
Occurred At
2011-04-09 19:20:00
Year
2011
Report Received Date
2011-05-31 00:00:00
Iyear
2011.0
Report Number
20110161.0
Supplemental Number
15252.0
Report Type
Original
Operator Id
32468
Name
City Of Mapleton
Operator Street Address
513 Main Street
Operator City Name
Mapleton
Operator State Abbreviation
IA
Operator Postal Code
51034
Local Datetime
2011-04-09 19:20:00
Location Street Address
409 So. 4th Was Site Of Break
Location City Name
Mapleton
Location State Abbreviation
IA
Location Postal Code
51034
Location Latitude
42.16134
Location Longitude
-95.79342
Commodity Released Type
Natural Gas
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Crossing
No
Pipe Facility Type
Municipally Owned
System Part Involved
Main
Installation Year
1994.0
Pipe Diameter
2.0
Pipe Specification
Polyethalene
Pipe Manufacturer
Unknown
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Wt Plastic Unknown Ind
Unknown
Material Pe Pipe Code
2406
Release Type
Other
Release Type Details
Tornado Uprooted Large Tree Pulling The Line Up And In Half With The Roots
Class Location Type
Class 1 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
200.0
Est Cost Emergency
0.0
Est Cost Other
0.0
Est Cost Unintentional Release
200.0
Prpty
400.0
Commercial Affected
77.0
Industrial Affected
0.0
Residences Affected
458.0
Accident Psig
25.0
Normal Psig
25.0
Mop Psig
26.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Ground Patrol By Operator Or Its Contractor
Operator Type
Operator Employee
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
Natural Force Damage
Cause Details
High Winds
Natural Force Type
High Winds
Nf Extreme Weather Ind
Yes
Nf Tornado Ind
Yes
Preparer Name
K**** U**
Preparer Title
City Clerk
Preparer Email
M******@l********.com
Preparer Telephone
712-881-1351
Preparer Fax
712-881-2726
Authorizer Name
M*** H***
Authorizer Title
City Superintendent
Authorizer Telephone
712-881-1351
Authorizer Email
M******@l********.com
Narrative
April 9, 2011, approximately 7:20 pm tornado struck mapleton affecting 60% of community. Large tree uprooted and pulled 2" polyethylene main out of the ground severing line. It was uncertain of the damage to the rest of the system so the tbs was shut down, affecting all 600 customers. All meters were shut off by noon april 10. After repairs system repressurized at 3:00 pm to verify no leaks. Relights began at 4:09 pm and first pass through town complete by 5:00 p.M. On april 11. Final customer that could be relit was at 9:00 am april 13, 2011.
| Occurred At | 2011-04-09 19:20:00 |
|---|---|
| Year | 2011 |
| Report Received Date | 2011-05-31 00:00:00 |
| Iyear | 2011.0 |
| Report Number | 20110161.0 |
| Supplemental Number | 15252.0 |
| Report Type | Original |
| Operator Id | 32468 PHMSA Enforcement |
| Name | City Of Mapleton |
| Operator Street Address | 513 Main Street |
| Operator City Name | Mapleton |
| Operator State Abbreviation | IA |
| Operator Postal Code | 51034 |
| Local Datetime | 2011-04-09 19:20:00 |
| Location Street Address | 409 So. 4th Was Site Of Break |
| Location City Name | Mapleton |
| Location State Abbreviation | IA |
| Location Postal Code | 51034 |
| Location Latitude | 42.16134 Google Maps OpenStreetMap |
| Location Longitude | -95.79342 Google Maps OpenStreetMap |
| Commodity Released Type | Natural Gas |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Crossing | No |
| Pipe Facility Type | Municipally Owned |
| System Part Involved | Main |
| Installation Year | 1994.0 |
| Pipe Diameter | 2.0 |
| Pipe Specification | Polyethalene |
| Pipe Manufacturer | Unknown |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Wt Plastic Unknown Ind | Unknown |
| Material Pe Pipe Code | 2406 |
| Release Type | Other |
| Release Type Details | Tornado Uprooted Large Tree Pulling The Line Up And In Half With The Roots |
| Class Location Type | Class 1 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 200.0 |
| Est Cost Emergency | 0.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 200.0 |
| Prpty | 400.0 |
| Commercial Affected | 77.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 458.0 |
| Accident Psig | 25.0 |
| Normal Psig | 25.0 |
| Mop Psig | 26.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Ground Patrol By Operator Or Its Contractor |
| Operator Type | Operator Employee |
| 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 | Natural Force Damage |
| Cause Details | High Winds |
| Natural Force Type | High Winds |
| Nf Extreme Weather Ind | Yes |
| Nf Tornado Ind | Yes |
| Preparer Name | K**** U** |
| Preparer Title | City Clerk |
| Preparer Email | M******@l********.com |
| Preparer Telephone | 712-881-1351 |
| Preparer Fax | 712-881-2726 |
| Authorizer Name | M*** H*** |
| Authorizer Title | City Superintendent |
| Authorizer Telephone | 712-881-1351 |
| Authorizer Email | M******@l********.com |
| Narrative | April 9, 2011, approximately 7:20 pm tornado struck mapleton affecting 60% of community. Large tree uprooted and pulled 2" polyethylene main out of the ground severing line. It was uncertain of the damage to the rest of the system so the tbs was shut down, affecting all 600 customers. All meters were shut off by noon april 10. After repairs system repressurized at 3:00 pm to verify no leaks. Relights began at 4:09 pm and first pass through town complete by 5:00 p.M. On april 11. Final customer that could be relit was at 9:00 am april 13, 2011. |
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