Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2017-01-13 — ID
Operator
Intermountain Gas Co
Cause
Equipment Failure
Commodity
—
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$0
Incident datetime
2017-01-13 03:53
Report number
Location
ID, GEM COUNTY
Narrative
Regulator failure due to sulfur build-up. Relief did not fully vent due to weld slag debris in the boot.
Detailed record list
Occurred At
2017-01-13 03:53:00
Year
2017
Report Received Date
2017-01-19 00:00:00
Iyear
2017.0
Report Number
20170011.0
Supplemental Number
16784.0
Report Type
Supplemental Final
Operator Id
8160
Name
Intermountain Gas Co
Operator Street Address
555 South Cole Road
Operator City Name
Boise
Operator State Abbreviation
ID
Operator Postal Code
83709
Local Datetime
2017-01-13 03:53:00
Location Street Address
7525 El Paso Rd, Caldwell
Location City Name
Not Within A Municipality
Location County Name
Gem County
Location State Abbreviation
ID
Location Postal Code
83607
Location Latitude
43.81091
Location Longitude
-116.687843
Nrc Rpt Num
Nrc Notification Not Required
Unintentional Release
178.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2017-01-13 03:53:00
On Site Datetime
2017-01-13 04:45:00
Federal
No
Location Type
Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance (E.g. Value Or Regulator Station, Outdoor Meter Set)
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
District Regulator/metering Station
Installation Year
2010.0
Material Involved
Other
Material Details
Regulator
Release Type
Other
Release Type Details
Regulator Relief Valve Blowing Due To Regulator Failure
Class Location Type
Class 1 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
0.0
Est Cost Emergency
578.0
Est Cost Other
0.0
Est Cost Unintentional Release
964.0
Prpty
1542.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
176.0
Normal Psig
145.0
Mop Psig
150.0
Accident Pressure
Pressure Exceeded The Applicable Allowance In 192.201
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
Yes
Scada Conf Ind
Yes
Accident Identifier
Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations)
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
Systems and alarms worked as designed.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Malfunction Of Control/relief Equipment
Eq Failure Type
Malfunction Of Control/relief Equipment
Relief Valve Ind
Yes
Pressure Regulator Ind
Yes
Preparer Name
L**** E****
Preparer Title
Director Of Operations Services
Preparer Email
L**********@i*****.com
Preparer Telephone
2083776122
Authorizer Name
H*** G********
Authorizer Title
Vp Operations
Authorizer Telephone
2083776086
Authorizer Email
H*************@i*****.com
Narrative
Regulator failure due to sulfur build-up. Relief did not fully vent due to weld slag debris in the boot.
| Occurred At | 2017-01-13 03:53:00 |
|---|---|
| Year | 2017 |
| Report Received Date | 2017-01-19 00:00:00 |
| Iyear | 2017.0 |
| Report Number | 20170011.0 |
| Supplemental Number | 16784.0 |
| Report Type | Supplemental Final |
| Operator Id | 8160 PHMSA Enforcement |
| Name | Intermountain Gas Co |
| Operator Street Address | 555 South Cole Road |
| Operator City Name | Boise |
| Operator State Abbreviation | ID |
| Operator Postal Code | 83709 |
| Local Datetime | 2017-01-13 03:53:00 |
| Location Street Address | 7525 El Paso Rd, Caldwell |
| Location City Name | Not Within A Municipality |
| Location County Name | Gem County |
| Location State Abbreviation | ID |
| Location Postal Code | 83607 |
| Location Latitude | 43.81091 Google Maps OpenStreetMap |
| Location Longitude | -116.687843 Google Maps OpenStreetMap |
| Nrc Rpt Num | Nrc Notification Not Required NRC Report How to search |
| Unintentional Release | 178.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2017-01-13 03:53:00 |
| On Site Datetime | 2017-01-13 04:45:00 |
| Federal | No |
| Location Type | Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance (E.g. Value Or Regulator Station, Outdoor Meter Set) |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | District Regulator/metering Station |
| Installation Year | 2010.0 |
| Material Involved | Other |
| Material Details | Regulator |
| Release Type | Other |
| Release Type Details | Regulator Relief Valve Blowing Due To Regulator Failure |
| Class Location Type | Class 1 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 0.0 |
| Est Cost Emergency | 578.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 964.0 |
| Prpty | 1542.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Accident Psig | 176.0 |
| Normal Psig | 145.0 |
| Mop Psig | 150.0 |
| Accident Pressure | Pressure Exceeded The Applicable Allowance In 192.201 |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | Yes |
| Scada Conf Ind | Yes |
| Accident Identifier | Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations) |
| 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 | Systems and alarms worked as designed. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Malfunction Of Control/relief Equipment |
| Eq Failure Type | Malfunction Of Control/relief Equipment |
| Relief Valve Ind | Yes |
| Pressure Regulator Ind | Yes |
| Preparer Name | L**** E**** |
| Preparer Title | Director Of Operations Services |
| Preparer Email | L**********@i*****.com |
| Preparer Telephone | 2083776122 |
| Authorizer Name | H*** G******** |
| Authorizer Title | Vp Operations |
| Authorizer Telephone | 2083776086 |
| Authorizer Email | H*************@i*****.com |
| Narrative | Regulator failure due to sulfur build-up. Relief did not fully vent due to weld slag debris in the boot. |
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