Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2016-10-23 — MA
Operator
Boston Gas Co
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$33,538
Incident datetime
2016-10-23 23:07
Report number
Location
MA, SUFFOLK
Narrative
Cms dispatch was notified by revere police on 10/23 at 23:07 that a pipeline damage occurred. A cms crew was sent out and to investigate at 23:23 and cms dispatch was notified on 10/23 at 23:27 that a contractor installing a guardrail struck a 12" diameter, 100 psi natural gas distribution main. Main was shut down at 16:09 on 10/24 using a mechanical fitting. A 60 psi and a 25 psi regulator station were shutdown as well. Permanent repairs to 12" main were completed on 10/24 at 21:37. In total, 3000 hp and 591 lp customers were out of service (591 lp and 23 hp services were offline.) the last customer impacted by this outage was restored on 11/1/2016 at 11:30.
Detailed record list
Occurred At
2016-10-23 23:07:00
Year
2016
Report Received Date
2016-11-21 00:00:00
Iyear
2016.0
Report Number
20160120.0
Supplemental Number
16438.0
Report Type
Original Final
Operator Id
1640
Name
Boston Gas Co
Operator Street Address
170 Data Drive
Operator City Name
Waltham
Operator State Abbreviation
MA
Operator Postal Code
02451
Local Datetime
2016-10-24 07:54:00
Location Street Address
Squire Rd And Route 1 North Side
Location City Name
Revere
Location County Name
Suffolk
Location State Abbreviation
MA
Location Postal Code
02151
Location Latitude
42.4275728
Location Longitude
-71.0235477
Nrc Rpt Datetime
2016-10-25 15:34:00
Nrc Rpt Num
1162502
Commodity Released Type
Natural Gas
Unintentional Release
4672.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2016-10-23 23:07:00
On Site Datetime
2016-10-23 23:23:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
32.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1952.0
Pipe Diameter
12.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Wt Steel
0.375
Release Type
Mechanical Puncture
Puncture Axial
2.3
Puncture Circum
2.5
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
33538.0
Est Cost Emergency
84786.0
Est Cost Other
0.0
Est Cost Unintentional Release
5716.0
Prpty
124040.0
Commercial Affected
20.0
Industrial Affected
0.0
Residences Affected
3571.0
Accident Psig
93.0
Normal Psig
95.0
Mop Psig
100.0
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
Yes
Accident Identifier
Other
Accident Details
Local Police Called National Grid Call Center
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
Incident was not caused by any actions of the control room or controller(s). It was a third party damage.
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
Ex Hydrotest Leak Survey Date
2016-01-01 00:00:00
Prior Notification Ind
No
Notify Cga Dirt
Yes
Public Row Ind
Yes
Public Subtype
State Highway
Excavator Type
Contractor
Excavator Equipment
Unknown/other
Work Performed
Unknown/other
One Call Notified Ind
Yes
One Call Ticket Num
20164103937
Locator Type
Contract Locator
Visible Marks
No
Service Interruption
Yes
Service Interruption Hours
16.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Backfilling Practices
Preparer Name
C****** B*****
Preparer Title
Prin Prog Mgr Operations Codes And Policy
Preparer Email
C*************@n***********.com
Preparer Telephone
6317703549
Authorizer Name
C****** B*****
Authorizer Title
Principal Program Manager Federal Programs
Authorizer Telephone
6317703549
Authorizer Email
C*************@n***********.com
Narrative
Cms dispatch was notified by revere police on 10/23 at 23:07 that a pipeline damage occurred. A cms crew was sent out and to investigate at 23:23 and cms dispatch was notified on 10/23 at 23:27 that a contractor installing a guardrail struck a 12" diameter, 100 psi natural gas distribution main. Main was shut down at 16:09 on 10/24 using a mechanical fitting. A 60 psi and a 25 psi regulator station were shutdown as well. Permanent repairs to 12" main were completed on 10/24 at 21:37. In total, 3000 hp and 591 lp customers were out of service (591 lp and 23 hp services were offline.) the last customer impacted by this outage was restored on 11/1/2016 at 11:30.
| Occurred At | 2016-10-23 23:07:00 |
|---|---|
| Year | 2016 |
| Report Received Date | 2016-11-21 00:00:00 |
| Iyear | 2016.0 |
| Report Number | 20160120.0 |
| Supplemental Number | 16438.0 |
| Report Type | Original Final |
| Operator Id | 1640 PHMSA Enforcement |
| Name | Boston Gas Co |
| Operator Street Address | 170 Data Drive |
| Operator City Name | Waltham |
| Operator State Abbreviation | MA |
| Operator Postal Code | 02451 |
| Local Datetime | 2016-10-24 07:54:00 |
| Location Street Address | Squire Rd And Route 1 North Side |
| Location City Name | Revere |
| Location County Name | Suffolk |
| Location State Abbreviation | MA |
| Location Postal Code | 02151 |
| Location Latitude | 42.4275728 Google Maps OpenStreetMap |
| Location Longitude | -71.0235477 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2016-10-25 15:34:00 |
| Nrc Rpt Num | 1162502 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 4672.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2016-10-23 23:07:00 |
| On Site Datetime | 2016-10-23 23:23:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 32.0 |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 1952.0 |
| Pipe Diameter | 12.0 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Wt Steel | 0.375 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 2.3 |
| Puncture Circum | 2.5 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 33538.0 |
| Est Cost Emergency | 84786.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 5716.0 |
| Prpty | 124040.0 |
| Commercial Affected | 20.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 3571.0 |
| Accident Psig | 93.0 |
| Normal Psig | 95.0 |
| Mop Psig | 100.0 |
| 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 | Yes |
| Accident Identifier | Other |
| Accident Details | Local Police Called National Grid Call Center |
| 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 | Incident was not caused by any actions of the control room or controller(s). It was a third party damage. |
| 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 |
| Ex Hydrotest Leak Survey Date | 2016-01-01 00:00:00 |
| Prior Notification Ind | No |
| Notify Cga Dirt | Yes |
| Public Row Ind | Yes |
| Public Subtype | State Highway |
| Excavator Type | Contractor |
| Excavator Equipment | Unknown/other |
| Work Performed | Unknown/other |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 20164103937 |
| Locator Type | Contract Locator |
| Visible Marks | No |
| Service Interruption | Yes |
| Service Interruption Hours | 16.0 |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Improper Backfilling Practices |
| Preparer Name | C****** B***** |
| Preparer Title | Prin Prog Mgr Operations Codes And Policy |
| Preparer Email | C*************@n***********.com |
| Preparer Telephone | 6317703549 |
| Authorizer Name | C****** B***** |
| Authorizer Title | Principal Program Manager Federal Programs |
| Authorizer Telephone | 6317703549 |
| Authorizer Email | C*************@n***********.com |
| Narrative | Cms dispatch was notified by revere police on 10/23 at 23:07 that a pipeline damage occurred. A cms crew was sent out and to investigate at 23:23 and cms dispatch was notified on 10/23 at 23:27 that a contractor installing a guardrail struck a 12" diameter, 100 psi natural gas distribution main. Main was shut down at 16:09 on 10/24 using a mechanical fitting. A 60 psi and a 25 psi regulator station were shutdown as well. Permanent repairs to 12" main were completed on 10/24 at 21:37. In total, 3000 hp and 591 lp customers were out of service (591 lp and 23 hp services were offline.) the last customer impacted by this outage was restored on 11/1/2016 at 11:30. |
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