|
Incident ID |
SC02426-3133 |
|
Dam Name |
FIDDLERS COVE DAM |
|
Downstream Hazard Potential |
H |
|
State |
SC |
|
Incident Date |
05/01/2018 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Deterioration Or Poor Condition |
|
Incident Mechanism 1 |
Spillway Pipe Failure |
|
Incident Mechanism 2 |
Piping |
|
Incident Mechanism 3 |
Sinkhole |
|
Incident Description |
An unpermitted repair of a deterioriated primary spillway outlet pipe resulted in piping along the outside of the outlet pipe, and development of a sinkhole along the pipe from the outlet upwards for approximately 20 feet in length and 8 feet wide (near a band joint). The dam owners had conducted an unpermitted and unauthorized "lining" of the deteriorated corrugated metal pipe using substandard methods and materials. |
|
Named Hydrologic Event |
N/A |
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
0 |
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
0 |
|
Number of Habitable Structures Flooded |
0 |
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
The State issued an Emergency Order to require the dam owner immediately lower water level under direction of a licensed Professional Engineer, submit a detailed investigation by a licensed Professional Engineer, and submit a Plan of Action for the repair |
|
Additional Remarks or Updates |
Downstream roads were temporarily closed until water level was lowered to a safe level. |
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
SC Dam Safety |
|
Owner Type |
P |
|
Dam Type |
RE |
|
Primary Purpose(s) |
R |
|
EAP |
Y |
|
Year Completed |
1988 |
|
Year Modified |
0 |
|
Dam Height |
34 ft |
|
Max Storage (ac-ft) |
715 ac-ft |
|
Surface Area (acres) |
55 acres |
|
River Name |
MUD CREEK |
|
Latitude |
34.8867 |
|
Longitude |
-83.0442 |
|
Regulatory Agency(ies) |
SC DHEC |
|
NID Number |
SC02426 |
|
Attachments |
|
