Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2020-09-17 — CO
Operator
Black Hills Energy
Cause
Locating Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
1 fatality
0 injuries
Property damage (nominal)
$5,000
Incident datetime
2020-09-17 09:00
Report number
Location
CO, EAGLE
Narrative
Third-party contractor was installing telecommunications fiber cable and struck a 2 inch pe main with a directional drill. Third-party contractor did not expose the tolerance zone of other marked facilities it was crossing with the directional drill in the vicinity of the line hit location. Such potholes would have disclosed the presence of the line that was hit. Natural gas migrated into a structure at 50 cottonwood pass road and the house exploded, resulting in the death of an occupant of the home. All legal claims have been resolved. Nrc 48 hour incident report #1287748.
Detailed record list
Occurred At
2020-09-17 09:00:00
Year
2020
Report Received Date
2020-10-26 00:00:00
Iyear
2020.0
Report Number
20200105.0
Supplemental Number
38069.0
Report Type
Supplemental Final
Operator Id
15359
Name
Black Hills Energy
Operator Street Address
2287 College Road Po Box 2006
Operator City Name
Council Bluffs
Operator State Abbreviation
IA
Operator Postal Code
51502
Local Datetime
2020-09-17 14:05:00
Time Zone
Mountain
Daylight Savings Ind
Yes
Location Street Address
50 Cottonwood Pass Road
Location City Name
Gypsum
Location County Name
Eagle
Location State Abbreviation
CO
Location Postal Code
81637
Location Latitude
39.6166369
Location Longitude
-106.9500181
Flow Cont Squeeze Off Ind
Yes
Nrc Rpt Datetime
2020-09-17 14:20:00
Nrc Rpt Num
1287639
Additional Nrc Report Numbers
1287748
Commodity Released Type
Natural Gas
Unintentional Release
336.76
Intentional Release
9.5
Fatality Ind
Yes
Num Emp Fatalities
0
Num Contr Fatalities
0
Num Er Fatalities
0
Num Worker Fatalities
0
Num Gp Fatalities
1
Fatal
1
Injury Ind
No
Injure
0
Ignite Ind
Yes
Ignite Datetime
2020-09-17 12:25:00
How Extinguished
Local/state/federal Emergency Responder
Gas Consumed By Fire In Mcf
1
Explode Ind
Yes
Num Pub Evacuated
174.0
Incident Identified Datetime
2020-09-17 09:00:00
On Site Datetime
2020-09-17 09:48:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
48.0
Other Underground Facilities
Yes
Crossing
Yes
Road Crossing Ind
Yes
Road Type
Uncased
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
2002.0
Pipe Diameter
2.0
Pipe Specification
D2513
Pipe Manufacturer
Unknown
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
2406
Release Type
Mechanical Puncture
Puncture Axial
2.0
Puncture Circum
1.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
1000000.0
Est Cost Prop Damage
5000.0
Est Cost Emergency
10000.0
Est Cost Other
0.0
Gas Cost In Mcf
4.9887
Est Cost Unintentional Release
1680.0
Est Cost Intentional Release
47.0
Prpty
1016727.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
87.0
Num Persons Hosp Not Ovnght
0.0
Num Injured Treated By Emt
0.0
Num Resident Building Affctd
87.0
Num Business Building Affctd
0.0
Accident Psig
40.0
Normal Psig
40.0
Mop Psig
60.0
Mop Cfr Section
192.619(A)(2)
Maop Established Date
2020-09-17 00:00:00
Accident Pressure
Pressure Did Not Exceed Maop
Gas Odorized System Type
Odorized By Others
Gas Odorized Level
2.9
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
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
State Law Exempt Ind
No
Notify Cga Dirt
No
Public Util Easement Row Ind
Yes
Excavator Type
Utility
Excavator Equipment
Directional Drilling
Work Performed
Telecommunications
One Call Notified Ind
Yes
One Call Ticket Num
Coa025202258sg
Locator Type
Facility Owner
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
48.0
Root Cause Category
Locating Issue
Root Cause Type
Facility Not Marked Due To Incomplete Marks At Damage Location
Preparer Name
J***** D******
Preparer Title
Compliance Coordinator
Preparer Email
J*************@b*************.com
Preparer Telephone
303-515-0088
Local Contact Name
J***** D******
Local Contact Email
J*************@b*************.com
Local Contact Telephone
13035150088
Authorizer Name
J***** D******
Authorizer Title
Compliance Coordinator
Authorizer Telephone
303-515-0088
Authorizer Email
J*************@b*************.com
Narrative
Third-party contractor was installing telecommunications fiber cable and struck a 2 inch pe main with a directional drill. Third-party contractor did not expose the tolerance zone of other marked facilities it was crossing with the directional drill in the vicinity of the line hit location. Such potholes would have disclosed the presence of the line that was hit. Natural gas migrated into a structure at 50 cottonwood pass road and the house exploded, resulting in the death of an occupant of the home. All legal claims have been resolved. Nrc 48 hour incident report #1287748.
| Occurred At | 2020-09-17 09:00:00 |
|---|---|
| Year | 2020 |
| Report Received Date | 2020-10-26 00:00:00 |
| Iyear | 2020.0 |
| Report Number | 20200105.0 |
| Supplemental Number | 38069.0 |
| Report Type | Supplemental Final |
| Operator Id | 15359 PHMSA Enforcement |
| Name | Black Hills Energy |
| Operator Street Address | 2287 College Road Po Box 2006 |
| Operator City Name | Council Bluffs |
| Operator State Abbreviation | IA |
| Operator Postal Code | 51502 |
| Local Datetime | 2020-09-17 14:05:00 |
| Time Zone | Mountain |
| Daylight Savings Ind | Yes |
| Location Street Address | 50 Cottonwood Pass Road |
| Location City Name | Gypsum |
| Location County Name | Eagle |
| Location State Abbreviation | CO |
| Location Postal Code | 81637 |
| Location Latitude | 39.6166369 Google Maps OpenStreetMap |
| Location Longitude | -106.9500181 Google Maps OpenStreetMap |
| Flow Cont Squeeze Off Ind | Yes |
| Nrc Rpt Datetime | 2020-09-17 14:20:00 |
| Nrc Rpt Num | 1287639 NRC Report How to search |
| Additional Nrc Report Numbers | 1287748 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 336.76 |
| Intentional Release | 9.5 |
| Fatality Ind | Yes |
| Num Emp Fatalities | 0 |
| Num Contr Fatalities | 0 |
| Num Er Fatalities | 0 |
| Num Worker Fatalities | 0 |
| Num Gp Fatalities | 1 |
| Fatal | 1 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | Yes |
| Ignite Datetime | 2020-09-17 12:25:00 |
| How Extinguished | Local/state/federal Emergency Responder |
| Gas Consumed By Fire In Mcf | 1 |
| Explode Ind | Yes |
| Num Pub Evacuated | 174.0 |
| Incident Identified Datetime | 2020-09-17 09:00:00 |
| On Site Datetime | 2020-09-17 09:48:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 48.0 |
| Other Underground Facilities | Yes |
| Crossing | Yes |
| Road Crossing Ind | Yes |
| Road Type | Uncased |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 2002.0 |
| Pipe Diameter | 2.0 |
| Pipe Specification | D2513 |
| Pipe Manufacturer | Unknown |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11 |
| Material Pe Pipe Code | 2406 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 2.0 |
| Puncture Circum | 1.0 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 1000000.0 |
| Est Cost Prop Damage | 5000.0 |
| Est Cost Emergency | 10000.0 |
| Est Cost Other | 0.0 |
| Gas Cost In Mcf | 4.9887 |
| Est Cost Unintentional Release | 1680.0 |
| Est Cost Intentional Release | 47.0 |
| Prpty | 1016727.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 87.0 |
| Num Persons Hosp Not Ovnght | 0.0 |
| Num Injured Treated By Emt | 0.0 |
| Num Resident Building Affctd | 87.0 |
| Num Business Building Affctd | 0.0 |
| Accident Psig | 40.0 |
| Normal Psig | 40.0 |
| Mop Psig | 60.0 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 2020-09-17 00:00:00 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Gas Odorized System Type | Odorized By Others |
| Gas Odorized Level | 2.9 |
| 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 | 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 |
| State Law Exempt Ind | No |
| Notify Cga Dirt | No |
| Public Util Easement Row Ind | Yes |
| Excavator Type | Utility |
| Excavator Equipment | Directional Drilling |
| Work Performed | Telecommunications |
| One Call Notified Ind | Yes |
| One Call Ticket Num | Coa025202258sg |
| Locator Type | Facility Owner |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 48.0 |
| Root Cause Category | Locating Issue |
| Root Cause Type | Facility Not Marked Due To Incomplete Marks At Damage Location |
| Preparer Name | J***** D****** |
| Preparer Title | Compliance Coordinator |
| Preparer Email | J*************@b*************.com |
| Preparer Telephone | 303-515-0088 |
| Local Contact Name | J***** D****** |
| Local Contact Email | J*************@b*************.com |
| Local Contact Telephone | 13035150088 |
| Authorizer Name | J***** D****** |
| Authorizer Title | Compliance Coordinator |
| Authorizer Telephone | 303-515-0088 |
| Authorizer Email | J*************@b*************.com |
| Narrative | Third-party contractor was installing telecommunications fiber cable and struck a 2 inch pe main with a directional drill. Third-party contractor did not expose the tolerance zone of other marked facilities it was crossing with the directional drill in the vicinity of the line hit location. Such potholes would have disclosed the presence of the line that was hit. Natural gas migrated into a structure at 50 cottonwood pass road and the house exploded, resulting in the death of an occupant of the home. All legal claims have been resolved. Nrc 48 hour incident report #1287748. |
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