Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2016-08-08 — MA
Operator
Boston Gas Co
Cause
Miscellaneous Root Causes
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$2,500
Incident datetime
2016-08-08 10:50
Report number
Location
MA, ESSEX
Narrative
At 10:32 on 8/8/2016, an emergency response unit was dispatched to 107 low st following a reported hit line by a 3rd party contractor, granese construction. One-call was notified but maps/records were not available. Between 12:30 and 13:30, preparations were made to shutdown the main and associated services. Three customers were evacuated; a total of 35 customers were out of service. Main and services were isolated using system isolation valves, completed by 17:00. At 22:20, mueller stop-off fitting was installed temporarily to secure leak and additional repairs were made to main. Approx. An 8 foot section of main was replaced. Repairs were completed by 3:48 on 8/9/2016, and at 4:20, gas was reintroduced to main and valves reopened. At 6:00, relights were started.There currently are 3 "cannot get in" customers with cards left to notify them to schedule relights.
Detailed record list
Occurred At
2016-08-08 10:50:00
Year
2016
Report Received Date
2016-09-04 00:00:00
Iyear
2016.0
Report Number
20160079.0
Supplemental Number
16374.0
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
2016-08-08 10:32:00
Location Street Address
107 Low Street
Location City Name
Newburyport
Location County Name
Essex
Location State Abbreviation
MA
Location Postal Code
01950
Location Latitude
42.808176
Location Longitude
-70.889677
Nrc Rpt Datetime
2016-08-11 16:57:00
Nrc Rpt Num
1155977
Commodity Released Type
Natural Gas
Unintentional Release
3824.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
3.0
Incident Identified Datetime
2016-08-08 10:50:00
On Site Datetime
2016-08-08 10:56:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
48.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1982.0
Pipe Diameter
10.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Mechanical Puncture
Puncture Axial
0.3
Puncture Circum
13.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
2500.0
Est Cost Emergency
15000.0
Est Cost Other
0.0
Est Cost Unintentional Release
5500.0
Prpty
23000.0
Commercial Affected
30.0
Industrial Affected
0.0
Residences Affected
5.0
Accident Psig
55.03
Normal Psig
55.0
Mop Psig
60.0
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
Notification From Third Party That Caused The Incident
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 due to third party damage, and was confirmed by first 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
Ex Hydrotest Leak Survey Date
2015-01-01 00:00:00
Prior Notification Ind
Yes
One Call System Ind
Yes
Notify Cga Dirt
Yes
Public Row Ind
Yes
Public Subtype
City Street
Excavator Type
Contractor
Excavator Equipment
Trencher
Work Performed
Drainage
One Call Notified Ind
Yes
One Call Ticket Num
20162900357
Locator Type
Utility Owner
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
12.0
Root Cause Category
Miscellaneous Root Causes
Root Cause Type
Root Cause Not Listed (Comment Required)
Root Cause Type Other
Data Not Collected
Preparer Name
C****** B*****
Preparer Title
Principal Program Manager Federal Programs
Preparer Email
C*************@n***********.com
Preparer Telephone
6317703549
Authorizer Name
C****** B*****
Authorizer Title
Principal Program Manager Federal Program
Authorizer Telephone
6317703549
Authorizer Email
C*************@n***********.com
Narrative
At 10:32 on 8/8/2016, an emergency response unit was dispatched to 107 low st following a reported hit line by a 3rd party contractor, granese construction. One-call was notified but maps/records were not available. Between 12:30 and 13:30, preparations were made to shutdown the main and associated services. Three customers were evacuated; a total of 35 customers were out of service. Main and services were isolated using system isolation valves, completed by 17:00. At 22:20, mueller stop-off fitting was installed temporarily to secure leak and additional repairs were made to main. Approx. An 8 foot section of main was replaced. Repairs were completed by 3:48 on 8/9/2016, and at 4:20, gas was reintroduced to main and valves reopened. At 6:00, relights were started.There currently are 3 "cannot get in" customers with cards left to notify them to schedule relights.
| Occurred At | 2016-08-08 10:50:00 |
|---|---|
| Year | 2016 |
| Report Received Date | 2016-09-04 00:00:00 |
| Iyear | 2016.0 |
| Report Number | 20160079.0 |
| Supplemental Number | 16374.0 |
| 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 | 2016-08-08 10:32:00 |
| Location Street Address | 107 Low Street |
| Location City Name | Newburyport |
| Location County Name | Essex |
| Location State Abbreviation | MA |
| Location Postal Code | 01950 |
| Location Latitude | 42.808176 Google Maps OpenStreetMap |
| Location Longitude | -70.889677 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2016-08-11 16:57:00 |
| Nrc Rpt Num | 1155977 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 3824.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 3.0 |
| Incident Identified Datetime | 2016-08-08 10:50:00 |
| On Site Datetime | 2016-08-08 10:56:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 48.0 |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 1982.0 |
| Pipe Diameter | 10.0 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Release Type | Mechanical Puncture |
| Puncture Axial | 0.3 |
| Puncture Circum | 13.0 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 2500.0 |
| Est Cost Emergency | 15000.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 5500.0 |
| Prpty | 23000.0 |
| Commercial Affected | 30.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 5.0 |
| Accident Psig | 55.03 |
| Normal Psig | 55.0 |
| Mop Psig | 60.0 |
| 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 | Notification From Third Party That Caused The Incident |
| 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 due to third party damage, and was confirmed by first 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 |
| Ex Hydrotest Leak Survey Date | 2015-01-01 00:00:00 |
| Prior Notification Ind | Yes |
| One Call System Ind | Yes |
| Notify Cga Dirt | Yes |
| Public Row Ind | Yes |
| Public Subtype | City Street |
| Excavator Type | Contractor |
| Excavator Equipment | Trencher |
| Work Performed | Drainage |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 20162900357 |
| Locator Type | Utility Owner |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 12.0 |
| Root Cause Category | Miscellaneous Root Causes |
| Root Cause Type | Root Cause Not Listed (Comment Required) |
| Root Cause Type Other | Data Not Collected |
| Preparer Name | C****** B***** |
| Preparer Title | Principal Program Manager Federal Programs |
| Preparer Email | C*************@n***********.com |
| Preparer Telephone | 6317703549 |
| Authorizer Name | C****** B***** |
| Authorizer Title | Principal Program Manager Federal Program |
| Authorizer Telephone | 6317703549 |
| Authorizer Email | C*************@n***********.com |
| Narrative | At 10:32 on 8/8/2016, an emergency response unit was dispatched to 107 low st following a reported hit line by a 3rd party contractor, granese construction. One-call was notified but maps/records were not available. Between 12:30 and 13:30, preparations were made to shutdown the main and associated services. Three customers were evacuated; a total of 35 customers were out of service. Main and services were isolated using system isolation valves, completed by 17:00. At 22:20, mueller stop-off fitting was installed temporarily to secure leak and additional repairs were made to main. Approx. An 8 foot section of main was replaced. Repairs were completed by 3:48 on 8/9/2016, and at 4:20, gas was reintroduced to main and valves reopened. At 6:00, relights were started.There currently are 3 "cannot get in" customers with cards left to notify them to schedule relights. |
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