GD incident on 2013-04-12 — WA

Operator
Avista Corp
Cause
Locating Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$1,900
Incident datetime
2013-04-12 08:03
Report number
Location
WA, SPOKANE
Narrative
A contractor installing a sewer line at a residential home struck a 3/4" pe natural gas service operating at approximately 55 psig. The release of natural gas caught the mini backhoe on fire which then caught the house on fire. The contractor had a valid locate ticket. Whether or not the service was located properly is under dispute. The gas meter was less than 10 feet from the point of damage and visible above ground from the point of damage. No injuries resulted from the fire. Service was temporarily lost to one customer.
Detailed record list
Occurred At
2013-04-12 08:03:00
Year
2013
Report Received Date
2013-05-09 00:00:00
Iyear
2013.0
Report Number
20130050.0
Supplemental Number
15833.0
Report Type
Supplemental Final
Operator Id
Name
Avista Corp
Operator Street Address
1411 East Mission (Po Box 3727, 99220-3727)
Operator City Name
Spokane
Operator State Abbreviation
WA
Operator Postal Code
99202
Local Datetime
2013-04-12 08:03:00
Location Street Address
1118 E. Bridgeport Ave
Location City Name
Spokane
Location County Name
Spokane
Location State Abbreviation
WA
Location Postal Code
99207-2811
Location Latitude
Location Longitude
-117.3931186
Nrc Rpt Datetime
2013-04-12 11:26:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
39.22
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
1.0
Incident Identified Datetime
2013-04-12 08:03:00
On Site Datetime
2013-04-12 08:25:00
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
28.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Service
Installation Year
2005.0
Pipe Diameter
0.75
Pipe Specification
Astm D2513
Pipe Manufacturer
Driscoplex
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
2406
Release Type
Other
Release Type Details
Fully Severed Pipe.
Class Location Type
Class 3 Location
Est Cost Oper Paid
105000.0
Est Cost Prop Damage
1900.0
Est Cost Emergency
350.0
Est Cost Other
40000.0
Est Cost Other Details
Cost Of Rental Excation Equipment
Est Cost Unintentional Release
99.0
Prpty
147349.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
1.0
Accident Psig
55.0
Normal Psig
55.0
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 Emergency Responder
Investigation Status
Yes, but the investigation of the control room and/or controller actions has not yet been completed by the operator (supplemental report required)
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
Yes
One Call System Ind
Yes
Notify Cga Dirt
No
Private Row Ind
Yes
Private Subtype
Private Landowner
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Sewer (Sanitary/storm)
One Call Notified Ind
Yes
One Call Ticket Num
13081658
One Call Center Name
One Call Concepts
Locator Type
Contract Locator
Visible Marks
No
Service Interruption
Yes
Service Interruption Hours
5.0
Root Cause Category
Locating Issue
Root Cause Type
Facility Not Marked Due To Incomplete Marks At Damage Location
Preparer Name
J*** M********
Preparer Title
Manager Pipeline Integrity And Compliance
Preparer Email
J*************@a*********.com
Preparer Telephone
509-495-2760
Preparer Fax
509-777-5625
Authorizer Name
J*** M********
Authorizer Title
Manager Pipeline Integrity And Compliance
Authorizer Telephone
509-495-2760
Authorizer Email
J*************@a*********.com
Narrative
A contractor installing a sewer line at a residential home struck a 3/4" pe natural gas service operating at approximately 55 psig. The release of natural gas caught the mini backhoe on fire which then caught the house on fire. The contractor had a valid locate ticket. Whether or not the service was located properly is under dispute. The gas meter was less than 10 feet from the point of damage and visible above ground from the point of damage. No injuries resulted from the fire. Service was temporarily lost to one customer.
Occurred At 2013-04-12 08:03:00
Year 2013
Report Received Date 2013-05-09 00:00:00
Iyear 2013.0
Report Number 20130050.0
Supplemental Number 15833.0
Report Type Supplemental Final
Operator Id 31232 PHMSA Enforcement
Name Avista Corp
Operator Street Address 1411 East Mission (Po Box 3727, 99220-3727)
Operator City Name Spokane
Operator State Abbreviation WA
Operator Postal Code 99202
Local Datetime 2013-04-12 08:03:00
Location Street Address 1118 E. Bridgeport Ave
Location City Name Spokane
Location County Name Spokane
Location State Abbreviation WA
Location Postal Code 99207-2811
Location Latitude 47.68826996 Google Maps OpenStreetMap
Location Longitude -117.3931186 Google Maps OpenStreetMap
Nrc Rpt Datetime 2013-04-12 11:26:00
Nrc Rpt Num 1043770 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 39.22
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind No
Num Pub Evacuated 1.0
Incident Identified Datetime 2013-04-12 08:03:00
On Site Datetime 2013-04-12 08:25:00
Federal No
Location Type Private Property
Incident Area Type Underground
Incident Area Subtype Exposed Due To Excavation
Depth Of Cover 28.0
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Service
Installation Year 2005.0
Pipe Diameter 0.75
Pipe Specification Astm D2513
Pipe Manufacturer Driscoplex
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Plastic Sdr 11
Material Pe Pipe Code 2406
Release Type Other
Release Type Details Fully Severed Pipe.
Class Location Type Class 3 Location
Est Cost Oper Paid 105000.0
Est Cost Prop Damage 1900.0
Est Cost Emergency 350.0
Est Cost Other 40000.0
Est Cost Other Details Cost Of Rental Excation Equipment
Est Cost Unintentional Release 99.0
Prpty 147349.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 1.0
Accident Psig 55.0
Normal Psig 55.0
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 Emergency Responder
Investigation Status Yes, but the investigation of the control room and/or controller actions has not yet been completed by the operator (supplemental report required)
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 Yes
One Call System Ind Yes
Notify Cga Dirt No
Private Row Ind Yes
Private Subtype Private Landowner
Excavator Type Contractor
Excavator Equipment Backhoe/trackhoe
Work Performed Sewer (Sanitary/storm)
One Call Notified Ind Yes
One Call Ticket Num 13081658
One Call Center Name One Call Concepts
Locator Type Contract Locator
Visible Marks No
Service Interruption Yes
Service Interruption Hours 5.0
Root Cause Category Locating Issue
Root Cause Type Facility Not Marked Due To Incomplete Marks At Damage Location
Preparer Name J*** M********
Preparer Title Manager Pipeline Integrity And Compliance
Preparer Email J*************@a*********.com
Preparer Telephone 509-495-2760
Preparer Fax 509-777-5625
Authorizer Name J*** M********
Authorizer Title Manager Pipeline Integrity And Compliance
Authorizer Telephone 509-495-2760
Authorizer Email J*************@a*********.com
Narrative A contractor installing a sewer line at a residential home struck a 3/4" pe natural gas service operating at approximately 55 psig. The release of natural gas caught the mini backhoe on fire which then caught the house on fire. The contractor had a valid locate ticket. Whether or not the service was located properly is under dispute. The gas meter was less than 10 feet from the point of damage and visible above ground from the point of damage. No injuries resulted from the fire. Service was temporarily lost to one customer.

All rights reserved. Copyright © by ClearPHMSA