Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2015-11-03 — NY
Operator
Keyspan Energy Delivery - Ny City
Cause
Other Incident Cause
Commodity
—
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$0
Incident datetime
2015-11-03 14:30
Report number
Location
NY, KINGS
Narrative
Two adjacent construction projects were in progress prior to the stated incident. A construction crew was performing a scheduled sop for tie in of a new 6" hp main at the intersection of west 22 st & neptune ave when they lost gas pressure to the main causing an unplanned supply interruption to 177 services. An incident assessment is currently in progress to establish root cause analysis. On 11.03.2015, the project engineer on site instructed the in-house mechanical crew to join pipe segments. The project engineer stated to crew lead a back feed was previously established within the project scope by another mechanical crew. Prior to stopping flow of segments to be joined, the crew lead followed steps of the sop and informed gso of gauge readings prior to and after monitoring for ~30 minutes. Note, on 11.03.2015 there was no evidence of customer demand on the system as the temperature was 70 degrees. After the pipe joining was started, approximately 50 minutes later, pressure dropped and customers notified crew of an interruption of service.
Detailed record list
Occurred At
2015-11-03 14:30:00
Year
2015
Report Received Date
2015-12-03 00:00:00
Iyear
2015.0
Report Number
20150106.0
Supplemental Number
16204.0
Report Type
Original
Operator Id
1800
Name
Keyspan Energy Delivery - Ny City
Operator Street Address
2 Hanson Place
Operator City Name
Brooklyn
Operator State Abbreviation
NY
Operator Postal Code
11217
Local Datetime
2015-11-03 14:30:00
Location Street Address
West 22 St And Neptune Ave
Location City Name
Brooklyn
Location County Name
Kings
Location State Abbreviation
NY
Location Postal Code
11224
Location Latitude
40.578385
Location Longitude
-73.989348
Nrc Rpt Datetime
2015-11-03 20:05:00
Nrc Rpt Num
1132503
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
2015-11-03 14:30:00
On Site Datetime
2015-11-03 14:59:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
36.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Pipe Diameter
6.625
Pipe Specification
Unknown
Pipe Manufacturer
Driscopipe
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11.5
Material Pe Pipe Code
2406
Release Type
Other
Release Type Details
No Release Of Gas
Class Location Type
Class 1 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
0.0
Est Cost Emergency
122850.0
Est Cost Other
0.0
Est Cost Unintentional Release
0.0
Prpty
122850.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
177.0
Accident Psig
10.0
Normal Psig
12.0
Mop Psig
15.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Investigation Status
Yes, specify investigation result(s): (select all that apply)
Invest No Control Room Ind
Yes
Invest No Controller Ind
Yes
Employee Drug Test Ind
Yes
Num Employees Tested
6
Num Employees Failed
0
Contractor Drug Test Ind
No
Cause
Other Incident Cause
Cause Details
Miscellaneous
Other Type
Miscellaneous
Misc Details
All New Pipe Installed Previously By An Alliance Resource. On 11.03.2015, The Project Engineer Instructed The In-House Mechanical Crew To Join Pipe Segments. The Project Engineer Stated Back Feed Was Previously Established By Another Mechanical Crew. Prior To Stopping Flow, The Crew Lead Followed Steps Of The Sop And Informed Gso Of Gauge Readings Monitored For ~30 Minutes. App. 50 Mins. Later, Pressure Dropped And Customers Notified Crew Of An Interruption Of Service.
Preparer Name
C****** B*****
Preparer Title
Prin Prog Mgr Operations Codes And Policy
Preparer Email
C*************@n***********.com
Preparer Telephone
5164924469
Authorizer Name
C****** B*****
Authorizer Title
Prin Prog Mgr- Operations Codes And Policy
Authorizer Telephone
6317703549
Authorizer Email
C*************@n***********.com
Narrative
Two adjacent construction projects were in progress prior to the stated incident. A construction crew was performing a scheduled sop for tie in of a new 6" hp main at the intersection of west 22 st & neptune ave when they lost gas pressure to the main causing an unplanned supply interruption to 177 services. An incident assessment is currently in progress to establish root cause analysis. On 11.03.2015, the project engineer on site instructed the in-house mechanical crew to join pipe segments. The project engineer stated to crew lead a back feed was previously established within the project scope by another mechanical crew. Prior to stopping flow of segments to be joined, the crew lead followed steps of the sop and informed gso of gauge readings prior to and after monitoring for ~30 minutes. Note, on 11.03.2015 there was no evidence of customer demand on the system as the temperature was 70 degrees. After the pipe joining was started, approximately 50 minutes later, pressure dropped and customers notified crew of an interruption of service.
| Occurred At | 2015-11-03 14:30:00 |
|---|---|
| Year | 2015 |
| Report Received Date | 2015-12-03 00:00:00 |
| Iyear | 2015.0 |
| Report Number | 20150106.0 |
| Supplemental Number | 16204.0 |
| Report Type | Original |
| Operator Id | 1800 PHMSA Enforcement |
| Name | Keyspan Energy Delivery - Ny City |
| Operator Street Address | 2 Hanson Place |
| Operator City Name | Brooklyn |
| Operator State Abbreviation | NY |
| Operator Postal Code | 11217 |
| Local Datetime | 2015-11-03 14:30:00 |
| Location Street Address | West 22 St And Neptune Ave |
| Location City Name | Brooklyn |
| Location County Name | Kings |
| Location State Abbreviation | NY |
| Location Postal Code | 11224 |
| Location Latitude | 40.578385 Google Maps OpenStreetMap |
| Location Longitude | -73.989348 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2015-11-03 20:05:00 |
| Nrc Rpt Num | 1132503 NRC Report How to search |
| 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 | 2015-11-03 14:30:00 |
| On Site Datetime | 2015-11-03 14:59:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 36.0 |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Pipe Diameter | 6.625 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Driscopipe |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11.5 |
| Material Pe Pipe Code | 2406 |
| Release Type | Other |
| Release Type Details | No Release Of Gas |
| Class Location Type | Class 1 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 0.0 |
| Est Cost Emergency | 122850.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 0.0 |
| Prpty | 122850.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 177.0 |
| Accident Psig | 10.0 |
| Normal Psig | 12.0 |
| Mop Psig | 15.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Investigation Status | Yes, specify investigation result(s): (select all that apply) |
| Invest No Control Room Ind | Yes |
| Invest No Controller Ind | Yes |
| Employee Drug Test Ind | Yes |
| Num Employees Tested | 6 |
| Num Employees Failed | 0 |
| Contractor Drug Test Ind | No |
| Cause | Other Incident Cause |
| Cause Details | Miscellaneous |
| Other Type | Miscellaneous |
| Misc Details | All New Pipe Installed Previously By An Alliance Resource. On 11.03.2015, The Project Engineer Instructed The In-House Mechanical Crew To Join Pipe Segments. The Project Engineer Stated Back Feed Was Previously Established By Another Mechanical Crew. Prior To Stopping Flow, The Crew Lead Followed Steps Of The Sop And Informed Gso Of Gauge Readings Monitored For ~30 Minutes. App. 50 Mins. Later, Pressure Dropped And Customers Notified Crew Of An Interruption Of Service. |
| Preparer Name | C****** B***** |
| Preparer Title | Prin Prog Mgr Operations Codes And Policy |
| Preparer Email | C*************@n***********.com |
| Preparer Telephone | 5164924469 |
| Authorizer Name | C****** B***** |
| Authorizer Title | Prin Prog Mgr- Operations Codes And Policy |
| Authorizer Telephone | 6317703549 |
| Authorizer Email | C*************@n***********.com |
| Narrative | Two adjacent construction projects were in progress prior to the stated incident. A construction crew was performing a scheduled sop for tie in of a new 6" hp main at the intersection of west 22 st & neptune ave when they lost gas pressure to the main causing an unplanned supply interruption to 177 services. An incident assessment is currently in progress to establish root cause analysis. On 11.03.2015, the project engineer on site instructed the in-house mechanical crew to join pipe segments. The project engineer stated to crew lead a back feed was previously established within the project scope by another mechanical crew. Prior to stopping flow of segments to be joined, the crew lead followed steps of the sop and informed gso of gauge readings prior to and after monitoring for ~30 minutes. Note, on 11.03.2015 there was no evidence of customer demand on the system as the temperature was 70 degrees. After the pipe joining was started, approximately 50 minutes later, pressure dropped and customers notified crew of an interruption of service. |
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