CENTRAL HUDSON GAS & ELECTRIC CORP
gas_transmission Incident —
Incident Information
| Report Date | — |
| Operator | CENTRAL HUDSON GAS & ELECTRIC CORP |
| Commodity | — |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 41.45415, -74.04158 |
Cause
| Cause | NATURAL FORCE DAMAGE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
DURING TROPICAL STORM IRENE, SEVERAL HUNDRED FEET OF THE MOODNA CREEK BANK LOCATED IN THE TOWN OF CORNWALL, NEW YORK, COLLAPSED DUE TO BANK EROSION CAUSED BY EXCESSIVE HURRICANE RAIN WATER AND UNDERMINED THIS 6"" CARBON STEEL (0.219"" WALL THICKNESS) 1961 VINTAGE PIPELINE OPERATING AT 450 PSIG AT THE TIME OF THE FAILURE WITH AN MAOP OF 565 PSIG. THE PIPELINE FAILED AT A WELD ADJACENT TO A 90 DEGREE BEND ON AN OLD RAILROAD BED AT THE TOP OF THE RIVER BANK. APPROXIMATELY 1370 FEET OF THIS 6"" PIPELINE WAS RE-ROUTED AND INSTALLED ON A NEW RIGHT OF WAY AWAY FROM THE ERODED MOODNA CREEK BANK. THE NEW PIPELINE SECTION WAS CONSTRUCTED WITH 0.280"" WALL THICKNESS X42/X52 STEEL AND A 6"" ABOVE GRADE VALVE AND PLACED IN SERVICE ON 12/19/2011. ORIGINAL SUBMITTAL ESTIMATE OF REPAIR COSTS WAS UPDATED TO INCLUDE ADDITIONAL COSTS DUE TO CONSTRUCTION OF ABOVE GRADE VALVE, EASEMENT CONSIDERATIONS DUE TO A NEW NEGOTIATED RIGHT OF WAY WITH THE ADJACENT PROPERTY OWNER, AND CONSTRUCTION EASEMENT CONSIDERATIONS WITH THE NEW RIGHT OF WAY.
About This Pipeline Incident
Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.