GD incident on 2012-02-13 — MD

Operator
Baltimore Gas & Electric Co
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$150,000
Incident datetime
2012-02-13 23:51
Report number
Location
MD
Narrative
Baltimore city dept of public works damaged a bge 4 inch cast iron low preasure main on 2/13/2012 at 23:21. When a piece of asphalt fell into the open trench while excavation to repair a broken water main. Bge's first responder arrived on site at millington and slothfield avenues, and found a large water leak from an apparent broken water main. The first responder canvassed the area and found water had entered into the customer's fuel lines at 2301 and 2701 wilkens av. Water from the cities water main had entered into bge's distribution system through the damaged 4" gas main.The water pressurized and filled a potion of the gas distribution system causing an outage that affected approximately 1045 of bge's customers. Repairs were made to the distribution system and approximity 12,000 gallons of water were removed from the gas mains. 500 gas services were cleared of water, and 450 gas meters were replaced. Service was restored to customers meters by 19:00 on sunday 02/19/2012.
Detailed record list
Occurred At
2012-02-13 23:51:00
Year
2012
Report Received Date
2012-03-12 00:00:00
Iyear
2012.0
Report Number
20120022.0
Supplemental Number
15419.0
Report Type
Original
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
2012-02-13 23:21:00
Location Street Address
314 Millington Av
Location City Name
Baltimore
Location State Abbreviation
MD
Location Postal Code
21223
Location Latitude
Location Longitude
Nrc Rpt Datetime
2012-02-14 04:23:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
0.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2012-02-13 23:51:00
On Site Datetime
2012-02-13 23:51:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
38.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1909.0
Pipe Diameter
4.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Cast/wrought Iron
Release Type
Other
Release Type Details
Main Damaged By Baltimore City Water Department During Water Main Repair. Large Piece Of Asphalt Fell On Gas Main And Broke Main Allowing Water To Enter Into The Distribution System.
Class Location Type
Class 2 Location
Est Cost Oper Paid
175000.0
Est Cost Prop Damage
150000.0
Est Cost Emergency
612226.0
Est Cost Other
25000.0
Est Cost Other Details
Estimated Cost Through 3/6/2012.
Est Cost Unintentional Release
0.0
Prpty
962226.0
Commercial Affected
0.0
Industrial Affected
45.0
Residences Affected
1000.0
Accident Psig
0.28
Normal Psig
0.28
Mop Psig
0.36
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Other
Accident Details
Baltimore Dept Of Public Works
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
Notify Cga Dirt
No
Public Row Ind
Yes
Public Subtype
City Street
Excavator Type
Municipality
Excavator Equipment
Backhoe/trackhoe
Work Performed
Water
One Call Notified Ind
Yes
One Call Ticket Num
12067226
One Call Center Name
Miss Utility
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
58.0
Root Cause Category
Excavation Issue
Root Cause Type
Excavator Failed To Maintain Clearance After Verifying Marks
Preparer Name
M****** G*******
Preparer Title
Special Field Operations Supervisor
Preparer Email
M*****************@b**.com
Preparer Telephone
443-250-8167
Preparer Fax
410-740-7103
Authorizer Name
W****** B****
Authorizer Title
Manger Gas Service
Authorizer Telephone
410-470-7105
Authorizer Email
W**************@b**.com
Narrative
Baltimore city dept of public works damaged a bge 4 inch cast iron low preasure main on 2/13/2012 at 23:21. When a piece of asphalt fell into the open trench while excavation to repair a broken water main. Bge's first responder arrived on site at millington and slothfield avenues, and found a large water leak from an apparent broken water main. The first responder canvassed the area and found water had entered into the customer's fuel lines at 2301 and 2701 wilkens av. Water from the cities water main had entered into bge's distribution system through the damaged 4" gas main.The water pressurized and filled a potion of the gas distribution system causing an outage that affected approximately 1045 of bge's customers. Repairs were made to the distribution system and approximity 12,000 gallons of water were removed from the gas mains. 500 gas services were cleared of water, and 450 gas meters were replaced. Service was restored to customers meters by 19:00 on sunday 02/19/2012.
Occurred At 2012-02-13 23:51:00
Year 2012
Report Received Date 2012-03-12 00:00:00
Iyear 2012.0
Report Number 20120022.0
Supplemental Number 15419.0
Report Type Original
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 2012-02-13 23:21:00
Location Street Address 314 Millington Av
Location City Name Baltimore
Location State Abbreviation MD
Location Postal Code 21223
Location Latitude 39.281787 Google Maps OpenStreetMap
Location Longitude -76.657506 Google Maps OpenStreetMap
Nrc Rpt Datetime 2012-02-14 04:23:00
Nrc Rpt Num 100291 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 0.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0.0
Incident Identified Datetime 2012-02-13 23:51:00
On Site Datetime 2012-02-13 23:51:00
Federal No
Location Type Public Property
Incident Area Type Underground
Incident Area Subtype Exposed Due To Excavation
Depth Of Cover 38.0
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 1909.0
Pipe Diameter 4.0
Pipe Specification Unknown
Pipe Manufacturer Unknown
Material Involved Cast/wrought Iron
Release Type Other
Release Type Details Main Damaged By Baltimore City Water Department During Water Main Repair. Large Piece Of Asphalt Fell On Gas Main And Broke Main Allowing Water To Enter Into The Distribution System.
Class Location Type Class 2 Location
Est Cost Oper Paid 175000.0
Est Cost Prop Damage 150000.0
Est Cost Emergency 612226.0
Est Cost Other 25000.0
Est Cost Other Details Estimated Cost Through 3/6/2012.
Est Cost Unintentional Release 0.0
Prpty 962226.0
Commercial Affected 0.0
Industrial Affected 45.0
Residences Affected 1000.0
Accident Psig 0.28
Normal Psig 0.28
Mop Psig 0.36
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Other
Accident Details Baltimore Dept Of Public Works
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
Notify Cga Dirt No
Public Row Ind Yes
Public Subtype City Street
Excavator Type Municipality
Excavator Equipment Backhoe/trackhoe
Work Performed Water
One Call Notified Ind Yes
One Call Ticket Num 12067226
One Call Center Name Miss Utility
Locator Type Contract Locator
Visible Marks Yes
Service Interruption Yes
Service Interruption Hours 58.0
Root Cause Category Excavation Issue
Root Cause Type Excavator Failed To Maintain Clearance After Verifying Marks
Preparer Name M****** G*******
Preparer Title Special Field Operations Supervisor
Preparer Email M*****************@b**.com
Preparer Telephone 443-250-8167
Preparer Fax 410-740-7103
Authorizer Name W****** B****
Authorizer Title Manger Gas Service
Authorizer Telephone 410-470-7105
Authorizer Email W**************@b**.com
Narrative Baltimore city dept of public works damaged a bge 4 inch cast iron low preasure main on 2/13/2012 at 23:21. When a piece of asphalt fell into the open trench while excavation to repair a broken water main. Bge's first responder arrived on site at millington and slothfield avenues, and found a large water leak from an apparent broken water main. The first responder canvassed the area and found water had entered into the customer's fuel lines at 2301 and 2701 wilkens av. Water from the cities water main had entered into bge's distribution system through the damaged 4" gas main.The water pressurized and filled a potion of the gas distribution system causing an outage that affected approximately 1045 of bge's customers. Repairs were made to the distribution system and approximity 12,000 gallons of water were removed from the gas mains. 500 gas services were cleared of water, and 450 gas meters were replaced. Service was restored to customers meters by 19:00 on sunday 02/19/2012.

All rights reserved. Copyright © by ClearPHMSA