GD incident on 2012-06-28 — MD

Operator
Baltimore Gas & Electric Co
Cause
Locating Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$54,789
Incident datetime
2012-06-28 11:21
Report number
Location
MD, ANNE ARUNDEL
Narrative
Contractor directional boring to install cable main and conduit damaged a bge 4 inch plastic gas main crossing at 1305 riedel rd. This 4 inch gas main supplied a community of 227 customers that were impacted due to this damage. Existing 4" main was incorrectly marked and the utility gas main location record inaccurately indicated the gas main location. Contractor excavation practices were not in accordance with state damage prevention requirements. Incident notification to the nrc was based upon cumulative operator expenses reaching the fifty thousand dollar value.
Detailed record list
Occurred At
2012-06-28 11:21:00
Year
2012
Report Received Date
2012-07-27 00:00:00
Iyear
2012.0
Report Number
20120057.0
Supplemental Number
15520.0
Report Type
Supplemental Final
Operator Id
Name
Baltimore Gas & Electric Co
Operator Street Address
110 W Fayette St
Operator City Name
Baltimore
Operator State Abbreviation
MD
Operator Postal Code
21201
Local Datetime
2012-06-28 11:21:00
Location Street Address
1305 Riedel Rd
Location City Name
Gambrills
Location County Name
Anne Arundel
Location State Abbreviation
MD
Location Postal Code
21054
Location Latitude
Location Longitude
Nrc Rpt Datetime
2012-06-29 13:01:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
2053.43
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
101.0
Incident Identified Datetime
2012-06-28 11:21:00
On Site Datetime
2012-06-28 11:42:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
24.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
2001.0
Pipe Diameter
4.0
Pipe Specification
Astmd2513
Pipe Manufacturer
Performance Pipe
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
3408
Release Type
Mechanical Puncture
Puncture Axial
3.0
Puncture Circum
1.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
7300.0
Est Cost Prop Damage
54789.0
Est Cost Emergency
10000.0
Est Cost Other
0.0
Est Cost Other Details
None
Est Cost Unintentional Release
12378.0
Prpty
84467.0
Commercial Affected
1.0
Industrial Affected
0.0
Residences Affected
226.0
Accident Psig
92.0
Normal Psig
92.0
Mop Psig
99.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
Yes
Scada Conf Ind
Yes
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 damaged, notified by emergency responder
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
Yes
Public Row Ind
Yes
Public Subtype
County Road
Excavator Type
Contractor
Excavator Equipment
Directional Drilling
Work Performed
Cable Tv
One Call Notified Ind
Yes
One Call Ticket Num
12303726
One Call Center Name
Miss Utility
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
9.0
Root Cause Category
Locating Issue
Root Cause Type
Facility Not Marked Due To Incomplete Marks At Damage Location
Preparer Name
B****** F S****
Preparer Title
Gas Service Supervisor
Preparer Email
B************@b**.com
Preparer Telephone
410-470-7106
Preparer Fax
410-470-7103
Authorizer Name
W****** H B****
Authorizer Title
Manager Gas Service
Authorizer Telephone
410-470-7105
Authorizer Email
W**************@b**.com
Narrative
Contractor directional boring to install cable main and conduit damaged a bge 4 inch plastic gas main crossing at 1305 riedel rd. This 4 inch gas main supplied a community of 227 customers that were impacted due to this damage. Existing 4" main was incorrectly marked and the utility gas main location record inaccurately indicated the gas main location. Contractor excavation practices were not in accordance with state damage prevention requirements. Incident notification to the nrc was based upon cumulative operator expenses reaching the fifty thousand dollar value.
Occurred At 2012-06-28 11:21:00
Year 2012
Report Received Date 2012-07-27 00:00:00
Iyear 2012.0
Report Number 20120057.0
Supplemental Number 15520.0
Report Type Supplemental Final
Operator Id 1088 PHMSA Enforcement
Name Baltimore Gas & Electric Co
Operator Street Address 110 W Fayette St
Operator City Name Baltimore
Operator State Abbreviation MD
Operator Postal Code 21201
Local Datetime 2012-06-28 11:21:00
Location Street Address 1305 Riedel Rd
Location City Name Gambrills
Location County Name Anne Arundel
Location State Abbreviation MD
Location Postal Code 21054
Location Latitude 39.038275 Google Maps OpenStreetMap
Location Longitude -76.6732055 Google Maps OpenStreetMap
Nrc Rpt Datetime 2012-06-29 13:01:00
Nrc Rpt Num 1016178 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 2053.43
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind No
Explode Ind No
Num Pub Evacuated 101.0
Incident Identified Datetime 2012-06-28 11:21:00
On Site Datetime 2012-06-28 11:42:00
Federal No
Location Type Public Property
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 24.0
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 2001.0
Pipe Diameter 4.0
Pipe Specification Astmd2513
Pipe Manufacturer Performance Pipe
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Plastic Sdr 11
Material Pe Pipe Code 3408
Release Type Mechanical Puncture
Puncture Axial 3.0
Puncture Circum 1.0
Class Location Type Class 3 Location
Est Cost Oper Paid 7300.0
Est Cost Prop Damage 54789.0
Est Cost Emergency 10000.0
Est Cost Other 0.0
Est Cost Other Details None
Est Cost Unintentional Release 12378.0
Prpty 84467.0
Commercial Affected 1.0
Industrial Affected 0.0
Residences Affected 226.0
Accident Psig 92.0
Normal Psig 92.0
Mop Psig 99.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind Yes
Scada Operating Ind Yes
Scada Functional Ind Yes
Scada Detection Ind Yes
Scada Conf Ind Yes
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 damaged, notified by emergency responder
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 Yes
Public Row Ind Yes
Public Subtype County Road
Excavator Type Contractor
Excavator Equipment Directional Drilling
Work Performed Cable Tv
One Call Notified Ind Yes
One Call Ticket Num 12303726
One Call Center Name Miss Utility
Locator Type Contract Locator
Visible Marks Yes
Service Interruption Yes
Service Interruption Hours 9.0
Root Cause Category Locating Issue
Root Cause Type Facility Not Marked Due To Incomplete Marks At Damage Location
Preparer Name B****** F S****
Preparer Title Gas Service Supervisor
Preparer Email B************@b**.com
Preparer Telephone 410-470-7106
Preparer Fax 410-470-7103
Authorizer Name W****** H B****
Authorizer Title Manager Gas Service
Authorizer Telephone 410-470-7105
Authorizer Email W**************@b**.com
Narrative Contractor directional boring to install cable main and conduit damaged a bge 4 inch plastic gas main crossing at 1305 riedel rd. This 4 inch gas main supplied a community of 227 customers that were impacted due to this damage. Existing 4" main was incorrectly marked and the utility gas main location record inaccurately indicated the gas main location. Contractor excavation practices were not in accordance with state damage prevention requirements. Incident notification to the nrc was based upon cumulative operator expenses reaching the fifty thousand dollar value.

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