Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2011-07-12 — CO
Operator
Public Service Co Of Colorado
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$61,000
Incident datetime
2011-07-12 08:40
Report number
Location
CO, JEFFERSON
Narrative
A contractor dropped a 1 inch by 4 foot by 10 foot steel street plate on an exposed 20'' ip gas main. The steel plate punctured the gas main and remained lodged in the pipeline until it was taken out of service.
Detailed record list
Occurred At
2011-07-12 08:40:00
Year
2011
Report Received Date
2011-08-09 00:00:00
Iyear
2011.0
Report Number
20110278.0
Supplemental Number
15298.0
Report Type
Original Final
Operator Id
15931
Name
Public Service Co Of Colorado
Operator Street Address
1800 Larimer Street
Operator City Name
Denver
Operator State Abbreviation
CO
Operator Postal Code
80202-1408
Local Datetime
2011-07-12 08:40:00
Location Street Address
800 Block Of S. Garrison St
Location City Name
Lakewood
Location County Name
Jefferson
Location State Abbreviation
CO
Location Postal Code
80226
Location Latitude
39.7
Location Longitude
-105.103
Nrc Rpt Datetime
2011-07-12 12:46:00
Nrc Rpt Num
982461
Commodity Released Type
Natural Gas
Unintentional Release
348.1
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
8.0
Incident Identified Datetime
2011-07-12 08:40:00
On Site Datetime
2011-07-12 08:51:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1963.0
Pipe Diameter
20.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Wt Steel
0.25
Release Type
Mechanical Puncture
Puncture Axial
5.0
Puncture Circum
1.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
61000.0
Est Cost Emergency
28000.0
Est Cost Other
0.0
Est Cost Unintentional Release
2000.0
Prpty
91000.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
130.0
Normal Psig
130.0
Mop Psig
150.0
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
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
Third party damage and notification from emergency responders immediately after event.
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
Public Row Ind
Yes
Public Subtype
City Street
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Water
One Call Notified Ind
Yes
One Call Ticket Num
119300224
One Call Center Name
Uncc
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
No
Root Cause Category
Excavation Issue
Root Cause Type
Excavator Failed To Maintain Clearance After Verifying Marks
Preparer Name
B** M*****
Preparer Title
Manager Gas Emergency Repair
Preparer Email
R************@x*********.com
Preparer Telephone
3035713922
Authorizer Name
J*** K*****
Authorizer Title
Claims Services Manager
Authorizer Telephone
3032942665
Authorizer Email
J************@x*********.com
Narrative
A contractor dropped a 1 inch by 4 foot by 10 foot steel street plate on an exposed 20'' ip gas main. The steel plate punctured the gas main and remained lodged in the pipeline until it was taken out of service.
| Occurred At | 2011-07-12 08:40:00 |
|---|---|
| Year | 2011 |
| Report Received Date | 2011-08-09 00:00:00 |
| Iyear | 2011.0 |
| Report Number | 20110278.0 |
| Supplemental Number | 15298.0 |
| Report Type | Original Final |
| Operator Id | 15931 PHMSA Enforcement |
| Name | Public Service Co Of Colorado |
| Operator Street Address | 1800 Larimer Street |
| Operator City Name | Denver |
| Operator State Abbreviation | CO |
| Operator Postal Code | 80202-1408 |
| Local Datetime | 2011-07-12 08:40:00 |
| Location Street Address | 800 Block Of S. Garrison St |
| Location City Name | Lakewood |
| Location County Name | Jefferson |
| Location State Abbreviation | CO |
| Location Postal Code | 80226 |
| Location Latitude | 39.7 Google Maps OpenStreetMap |
| Location Longitude | -105.103 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2011-07-12 12:46:00 |
| Nrc Rpt Num | 982461 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 348.1 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 8.0 |
| Incident Identified Datetime | 2011-07-12 08:40:00 |
| On Site Datetime | 2011-07-12 08:51:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 1963.0 |
| Pipe Diameter | 20.0 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Wt Steel | 0.25 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 5.0 |
| Puncture Circum | 1.0 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 61000.0 |
| Est Cost Emergency | 28000.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 2000.0 |
| Prpty | 91000.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Accident Psig | 130.0 |
| Normal Psig | 130.0 |
| Mop Psig | 150.0 |
| 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 | 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 | Third party damage and notification from emergency responders immediately after event. |
| 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 |
| Public Row Ind | Yes |
| Public Subtype | City Street |
| Excavator Type | Contractor |
| Excavator Equipment | Backhoe/trackhoe |
| Work Performed | Water |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 119300224 |
| One Call Center Name | Uncc |
| Locator Type | Contract Locator |
| Visible Marks | Yes |
| Service Interruption | No |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Excavator Failed To Maintain Clearance After Verifying Marks |
| Preparer Name | B** M***** |
| Preparer Title | Manager Gas Emergency Repair |
| Preparer Email | R************@x*********.com |
| Preparer Telephone | 3035713922 |
| Authorizer Name | J*** K***** |
| Authorizer Title | Claims Services Manager |
| Authorizer Telephone | 3032942665 |
| Authorizer Email | J************@x*********.com |
| Narrative | A contractor dropped a 1 inch by 4 foot by 10 foot steel street plate on an exposed 20'' ip gas main. The steel plate punctured the gas main and remained lodged in the pipeline until it was taken out of service. |
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