Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2016-11-05 — AZ
Operator
Alliant Gas
Cause
Natural Force Damage
Commodity
Propane Gas
Program
GD
Damage and Injuries
0 fatalities
1 injury
Property damage (nominal)
$20,000
Incident datetime
2016-11-05 20:11
Report number
Location
AZ, GILA
Narrative
Alliant gas was notified of a leaking tank outside the residence of 201 e zurich street in payson az, by local emergency responders at around 5:30 pm (mst) on 11-5-16. Upon arrival of alliant's on-call pipeline tech, it was determined there was not a tank leak, but a potential propane gas pipeline leak. Alliant's pipeline tech called out additional support to investigate the potential leak. While conducting the investigation of the leak, an explosion occurred causing injuries of varying degrees to both the building occupants and the alliant employees. 911 was called and the fire department responded to fight the fire. Alliant immediately began responding to the next level of their emergency plan and calling in addition resources. Alliant crews worked to isolate all of the company's pipelines in the area of 201 zurich drive and was able to have the leak isolated by 0130 on november 6, 2017. An investigation was launched as soon as the emergency response was completed. The investigation revealed that the leak occurred as a result of an internal fracture of the adyl a pipe. Alliant gas has reviewed and revised its emergency plans to ensure the safety of the community. Alliant has continued to follow its dimp plan for the repair and replacement of the adyl a pipe. Part a #4 is confirmed at 11/05/2016 20:11 az time. #7 is confirmed at 11/05/2016 22:11 az time. #13a is confirmed all three pipelines leading to the incident were shut down 11/06/2016 01:30 az time. #17a is confirmed at 11/05/2016 20:11 az time when incident met any reportable criteria. #17b is confirmed at 11/05/2016 17:50 az time is when alliant's tech first arrived on site to evaluate and find it not to be a single family propane tank but a underground pipeline call. Part f #1 is confirmed under part 199.2 applicability (b)(2) does not apply.
Detailed record list
Occurred At
2016-11-05 20:11:00
Year
2016
Report Received Date
2016-11-25 00:00:00
Iyear
2016.0
Report Number
20160122.0
Supplemental Number
16653.0
Report Type
Supplemental Final
Operator Id
31432
Name
Alliant Gas
Operator Street Address
600 E. Las Colinas Blvd Suite 2000 Irving
Operator City Name
Irving
Operator State Abbreviation
TX
Operator Postal Code
75039
Local Datetime
2016-11-05 20:11:00
Location Street Address
201 E Zurich Dr.
Location City Name
Payson
Location County Name
Gila
Location State Abbreviation
AZ
Location Postal Code
85541
Location Latitude
34.246887
Location Longitude
-111.321156
Nrc Rpt Datetime
2016-11-05 22:11:00
Nrc Rpt Num
1163392
Commodity Released Type
Propane Gas
Unintentional Release
32.2
Fatality Ind
No
Fatal
0
Injury Ind
Yes
Num Emp Injuries
0
Num Contr Injuries
0
Num Er Injuries
0
Num Worker Injuries
0
Num Gp Injuries
1
Injure
1
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
10.0
Incident Identified Datetime
2016-11-05 20:11:00
On Site Datetime
2016-11-05 17:50:00
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
48.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1974.0
Pipe Diameter
1.5
Pipe Specification
Astm D2513
Pipe Manufacturer
Dupont - Aldyl-A Pipe
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
2406
Release Type
Leak
Leak Type
Crack
Class Location Type
Class 3 Location
Est Cost Oper Paid
650000.0
Est Cost Prop Damage
20000.0
Est Cost Emergency
30000.0
Est Cost Other
0.0
Est Cost Unintentional Release
1000.0
Prpty
701000.0
Commercial Affected
1.0
Industrial Affected
0.0
Residences Affected
3.0
Accident Psig
27.0
Normal Psig
27.5
Mop Psig
30.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Emergency Responder
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
Other Natural Force Damage
Natural Force Type
Other Natural Force Damage
Nf Other Details
,,,,,,,,,,,,tree Root Encroaching On Aldyl-A Pipe Causing It To Fail
Nf Extreme Weather Ind
No
Preparer Name
V**** B*****
Preparer Title
Safety Compliance Manager
Preparer Email
V******@p**********.com
Preparer Telephone
928-474-2294
Preparer Fax
928-474-0909
Authorizer Name
V**** B*****
Authorizer Title
Safety Compliance Manager
Authorizer Telephone
9289783182
Authorizer Email
V******@p**********.com
Narrative
Alliant gas was notified of a leaking tank outside the residence of 201 e zurich street in payson az, by local emergency responders at around 5:30 pm (mst) on 11-5-16. Upon arrival of alliant's on-call pipeline tech, it was determined there was not a tank leak, but a potential propane gas pipeline leak. Alliant's pipeline tech called out additional support to investigate the potential leak. While conducting the investigation of the leak, an explosion occurred causing injuries of varying degrees to both the building occupants and the alliant employees. 911 was called and the fire department responded to fight the fire. Alliant immediately began responding to the next level of their emergency plan and calling in addition resources. Alliant crews worked to isolate all of the company's pipelines in the area of 201 zurich drive and was able to have the leak isolated by 0130 on november 6, 2017. An investigation was launched as soon as the emergency response was completed. The investigation revealed that the leak occurred as a result of an internal fracture of the adyl a pipe. Alliant gas has reviewed and revised its emergency plans to ensure the safety of the community. Alliant has continued to follow its dimp plan for the repair and replacement of the adyl a pipe. Part a #4 is confirmed at 11/05/2016 20:11 az time. #7 is confirmed at 11/05/2016 22:11 az time. #13a is confirmed all three pipelines leading to the incident were shut down 11/06/2016 01:30 az time. #17a is confirmed at 11/05/2016 20:11 az time when incident met any reportable criteria. #17b is confirmed at 11/05/2016 17:50 az time is when alliant's tech first arrived on site to evaluate and find it not to be a single family propane tank but a underground pipeline call. Part f #1 is confirmed under part 199.2 applicability (b)(2) does not apply.
| Occurred At | 2016-11-05 20:11:00 |
|---|---|
| Year | 2016 |
| Report Received Date | 2016-11-25 00:00:00 |
| Iyear | 2016.0 |
| Report Number | 20160122.0 |
| Supplemental Number | 16653.0 |
| Report Type | Supplemental Final |
| Operator Id | 31432 PHMSA Enforcement |
| Name | Alliant Gas |
| Operator Street Address | 600 E. Las Colinas Blvd Suite 2000 Irving |
| Operator City Name | Irving |
| Operator State Abbreviation | TX |
| Operator Postal Code | 75039 |
| Local Datetime | 2016-11-05 20:11:00 |
| Location Street Address | 201 E Zurich Dr. |
| Location City Name | Payson |
| Location County Name | Gila |
| Location State Abbreviation | AZ |
| Location Postal Code | 85541 |
| Location Latitude | 34.246887 Google Maps OpenStreetMap |
| Location Longitude | -111.321156 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2016-11-05 22:11:00 |
| Nrc Rpt Num | 1163392 NRC Report How to search |
| Commodity Released Type | Propane Gas |
| Unintentional Release | 32.2 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | Yes |
| Num Emp Injuries | 0 |
| Num Contr Injuries | 0 |
| Num Er Injuries | 0 |
| Num Worker Injuries | 0 |
| Num Gp Injuries | 1 |
| Injure | 1 |
| Ignite Ind | Yes |
| Explode Ind | Yes |
| Num Pub Evacuated | 10.0 |
| Incident Identified Datetime | 2016-11-05 20:11:00 |
| On Site Datetime | 2016-11-05 17:50:00 |
| Federal | No |
| Location Type | Private Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 48.0 |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 1974.0 |
| Pipe Diameter | 1.5 |
| Pipe Specification | Astm D2513 |
| Pipe Manufacturer | Dupont - Aldyl-A Pipe |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11 |
| Material Pe Pipe Code | 2406 |
| Release Type | Leak |
| Leak Type | Crack |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 650000.0 |
| Est Cost Prop Damage | 20000.0 |
| Est Cost Emergency | 30000.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 1000.0 |
| Prpty | 701000.0 |
| Commercial Affected | 1.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 3.0 |
| Accident Psig | 27.0 |
| Normal Psig | 27.5 |
| Mop Psig | 30.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Notification From Emergency Responder |
| 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 | Other Natural Force Damage |
| Natural Force Type | Other Natural Force Damage |
| Nf Other Details | ,,,,,,,,,,,,tree Root Encroaching On Aldyl-A Pipe Causing It To Fail |
| Nf Extreme Weather Ind | No |
| Preparer Name | V**** B***** |
| Preparer Title | Safety Compliance Manager |
| Preparer Email | V******@p**********.com |
| Preparer Telephone | 928-474-2294 |
| Preparer Fax | 928-474-0909 |
| Authorizer Name | V**** B***** |
| Authorizer Title | Safety Compliance Manager |
| Authorizer Telephone | 9289783182 |
| Authorizer Email | V******@p**********.com |
| Narrative | Alliant gas was notified of a leaking tank outside the residence of 201 e zurich street in payson az, by local emergency responders at around 5:30 pm (mst) on 11-5-16. Upon arrival of alliant's on-call pipeline tech, it was determined there was not a tank leak, but a potential propane gas pipeline leak. Alliant's pipeline tech called out additional support to investigate the potential leak. While conducting the investigation of the leak, an explosion occurred causing injuries of varying degrees to both the building occupants and the alliant employees. 911 was called and the fire department responded to fight the fire. Alliant immediately began responding to the next level of their emergency plan and calling in addition resources. Alliant crews worked to isolate all of the company's pipelines in the area of 201 zurich drive and was able to have the leak isolated by 0130 on november 6, 2017. An investigation was launched as soon as the emergency response was completed. The investigation revealed that the leak occurred as a result of an internal fracture of the adyl a pipe. Alliant gas has reviewed and revised its emergency plans to ensure the safety of the community. Alliant has continued to follow its dimp plan for the repair and replacement of the adyl a pipe. Part a #4 is confirmed at 11/05/2016 20:11 az time. #7 is confirmed at 11/05/2016 22:11 az time. #13a is confirmed all three pipelines leading to the incident were shut down 11/06/2016 01:30 az time. #17a is confirmed at 11/05/2016 20:11 az time when incident met any reportable criteria. #17b is confirmed at 11/05/2016 17:50 az time is when alliant's tech first arrived on site to evaluate and find it not to be a single family propane tank but a underground pipeline call. Part f #1 is confirmed under part 199.2 applicability (b)(2) does not apply. |
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