Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2019-05-15 — MI
Operator
Michigan Gas Utilities Co
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$71,002
Incident datetime
2019-05-15 13:55
Report number
Location
MI, OTTAWA
Narrative
3/4' steel service tee attached our 4' high pressure steel gas main at 408 w exchange was broke off of the gas main by the blade of a bulldozer while the area was being backfilled by the west michigan dirtworks road construction crew at approx. 1:45pm on 5/15/19. Damaging party called an mgu employee directly at 1:43pm to notify of damage. Damaging party then called the mgu gas emergency # at 1:55pm. Ten nearby houses downwind of the damage were evacuated by emergency responders and mgu employees as a safety precaution. It was decided the blowing gas was escaping into the atmosphere was not presenting an immediate danger and mgu and kpi would proceed with installing a permanent bypass around the damage location. During the course of this repair, mgu employees were routinely checking gas concentration levels in the air and buildings downwind of the blowing gas. At approx. 9:15am on friday 5/17/19, the stoppers were set and the blowing gas was stopped. A service tech arrived on site at approx. 1pm and began turning on gas to the customers that were turned off as a safety precaution. The entire project was completed at approx. 6pm on friday 5/17/19. Original nrc report number is 1245847, revised nrc report number is 1246181.
Detailed record list
Occurred At
2019-05-15 13:55:00
Year
2019
Report Received Date
2019-06-14 00:00:00
Iyear
2019.0
Report Number
20190059.0
Supplemental Number
32466.0
Report Type
Supplemental Final
Operator Id
12420
Name
Michigan Gas Utilities Co
Operator Street Address
899 S Telegraph Road
Operator City Name
Monroe
Operator State Abbreviation
MI
Operator Postal Code
48161
Local Datetime
2019-05-15 13:40:00
Location Street Address
408 W. Exchange St
Location City Name
Spring Lake
Location County Name
Ottawa
Location State Abbreviation
MI
Location Postal Code
49456
Location Latitude
43.075637
Location Longitude
-86.202413
Nrc Rpt Datetime
2019-05-16 11:09:00
Nrc Rpt Num
1245847
Commodity Released Type
Natural Gas
Unintentional Release
1773.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
4.0
Incident Identified Datetime
2019-05-15 13:55:00
On Site Datetime
2019-05-15 13:58:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
28.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1959.0
Pipe Diameter
4.5
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Wt Steel
0.237
Release Type
Other
Release Type Details
Bulldozer Knocked A Tee Off The Main. The Hole Was 3/8" Diameter
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
71002.0
Est Cost Emergency
8178.0
Est Cost Other
0.0
Est Cost Unintentional Release
6102.0
Prpty
85282.0
Commercial Affected
1.0
Industrial Affected
0.0
Residences Affected
9.0
Accident Psig
352.0
Normal Psig
350.0
Mop Psig
400.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Third Party That Caused The Incident
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
Contractor
Excavator Equipment
Grader/scraper
Work Performed
Sewer (Sanitary/storm)
One Call Notified Ind
Yes
One Call Ticket Num
90160331
Locator Type
Utility Owner
Visible Marks
Yes
Root Cause Category
Excavation Issue
Root Cause Type
Improper Excavation Practice Not Listed Above
Preparer Name
N***** L**
Preparer Title
Compliance Supervisor
Preparer Email
N*********@m*******************.com
Preparer Telephone
517-278-3524
Preparer Fax
517-278-3528
Authorizer Name
N***** L**
Authorizer Title
Compliance Supervisor
Authorizer Telephone
517-278-3524
Authorizer Email
N*********@m*******************.com
Narrative
3/4' steel service tee attached our 4' high pressure steel gas main at 408 w exchange was broke off of the gas main by the blade of a bulldozer while the area was being backfilled by the west michigan dirtworks road construction crew at approx. 1:45pm on 5/15/19. Damaging party called an mgu employee directly at 1:43pm to notify of damage. Damaging party then called the mgu gas emergency # at 1:55pm. Ten nearby houses downwind of the damage were evacuated by emergency responders and mgu employees as a safety precaution. It was decided the blowing gas was escaping into the atmosphere was not presenting an immediate danger and mgu and kpi would proceed with installing a permanent bypass around the damage location. During the course of this repair, mgu employees were routinely checking gas concentration levels in the air and buildings downwind of the blowing gas. At approx. 9:15am on friday 5/17/19, the stoppers were set and the blowing gas was stopped. A service tech arrived on site at approx. 1pm and began turning on gas to the customers that were turned off as a safety precaution. The entire project was completed at approx. 6pm on friday 5/17/19. Original nrc report number is 1245847, revised nrc report number is 1246181.
| Occurred At | 2019-05-15 13:55:00 |
|---|---|
| Year | 2019 |
| Report Received Date | 2019-06-14 00:00:00 |
| Iyear | 2019.0 |
| Report Number | 20190059.0 |
| Supplemental Number | 32466.0 |
| Report Type | Supplemental Final |
| Operator Id | 12420 PHMSA Enforcement |
| Name | Michigan Gas Utilities Co |
| Operator Street Address | 899 S Telegraph Road |
| Operator City Name | Monroe |
| Operator State Abbreviation | MI |
| Operator Postal Code | 48161 |
| Local Datetime | 2019-05-15 13:40:00 |
| Location Street Address | 408 W. Exchange St |
| Location City Name | Spring Lake |
| Location County Name | Ottawa |
| Location State Abbreviation | MI |
| Location Postal Code | 49456 |
| Location Latitude | 43.075637 Google Maps OpenStreetMap |
| Location Longitude | -86.202413 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2019-05-16 11:09:00 |
| Nrc Rpt Num | 1245847 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 1773.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 4.0 |
| Incident Identified Datetime | 2019-05-15 13:55:00 |
| On Site Datetime | 2019-05-15 13:58:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 28.0 |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 1959.0 |
| Pipe Diameter | 4.5 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Wt Steel | 0.237 |
| Release Type | Other |
| Release Type Details | Bulldozer Knocked A Tee Off The Main. The Hole Was 3/8" Diameter |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 71002.0 |
| Est Cost Emergency | 8178.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 6102.0 |
| Prpty | 85282.0 |
| Commercial Affected | 1.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 9.0 |
| Accident Psig | 352.0 |
| Normal Psig | 350.0 |
| Mop Psig | 400.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Notification From Third Party That Caused The Incident |
| 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 | Contractor |
| Excavator Equipment | Grader/scraper |
| Work Performed | Sewer (Sanitary/storm) |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 90160331 |
| Locator Type | Utility Owner |
| Visible Marks | Yes |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Improper Excavation Practice Not Listed Above |
| Preparer Name | N***** L** |
| Preparer Title | Compliance Supervisor |
| Preparer Email | N*********@m*******************.com |
| Preparer Telephone | 517-278-3524 |
| Preparer Fax | 517-278-3528 |
| Authorizer Name | N***** L** |
| Authorizer Title | Compliance Supervisor |
| Authorizer Telephone | 517-278-3524 |
| Authorizer Email | N*********@m*******************.com |
| Narrative | 3/4' steel service tee attached our 4' high pressure steel gas main at 408 w exchange was broke off of the gas main by the blade of a bulldozer while the area was being backfilled by the west michigan dirtworks road construction crew at approx. 1:45pm on 5/15/19. Damaging party called an mgu employee directly at 1:43pm to notify of damage. Damaging party then called the mgu gas emergency # at 1:55pm. Ten nearby houses downwind of the damage were evacuated by emergency responders and mgu employees as a safety precaution. It was decided the blowing gas was escaping into the atmosphere was not presenting an immediate danger and mgu and kpi would proceed with installing a permanent bypass around the damage location. During the course of this repair, mgu employees were routinely checking gas concentration levels in the air and buildings downwind of the blowing gas. At approx. 9:15am on friday 5/17/19, the stoppers were set and the blowing gas was stopped. A service tech arrived on site at approx. 1pm and began turning on gas to the customers that were turned off as a safety precaution. The entire project was completed at approx. 6pm on friday 5/17/19. Original nrc report number is 1245847, revised nrc report number is 1246181. |
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