National Performance of Dams Program
Search for Penstock Incidents
Search Penstock incidents
Failure Mode
ALL
Canal embankment failure
Canal failure due to a landslide
Canal flume was damaged due to a rock fall.
Crack in the penstock
Erosion at the penstock
Failure of headgate to seal
Holes in the penstock caused leaking
Landslide caused penstock damage
Lanslide
Leak in woodstave pipe due to deterioration
Loss of support due to a void under the penstock
Needle valve failure
Needle valve housing failure
Penstock air bubble blew off a manhole cover
Penstock buckled
Penstock buckling
Penstock buckling and penstock rupture
Penstock buckling due to vacuum in the pipe
Penstock buried in a mudslide
Penstock collapse
Penstock collapse during dewatering
Penstock collapsed due to a frozen vent pipe
Penstock coupling failed
Penstock cracking due to a rockfall
Penstock damage due to an avalanche and tunnel flooding
Penstock damage due to collapse of a wall
Penstock damaged by a rockfall
Penstock deformation due to a rock and mudslide.
Penstock dented and punctured by a tractor
Penstock dislodged at a seam
Penstock expansion joint failure
Penstock failure due to deterioration
Penstock footing failure due to a landslide
Penstock guy wire failed
Penstock guy wire failed and coupling failed
Penstock intake damaged due to flooding and ice
Penstock intake leak
Penstock Leak
Penstock leak due to deterioration
Penstock punctured by the impact of a falling crane
Penstock rupture
Penstock rupture at an expansion joint
Penstock rupture by a rockfall
Penstock rupture due to a landslide
Penstock rupture due to a rockfall
Penstock rupture due to a rockslide
Penstock rupture due to rock slide
Penstock rupture due to waterhammer
Penstock ruptured by a landslide
Penstock ruptured due to malfunction of a valve
Penstock saddle damaged
Penstock saddle displacement
Penstock saddles undermined due to erosion
Penstock separation
Penstock separation at the joints
Penstock structural failure
Riveted steel penstock ruptured
Roof of the box conduit collapsed
Sections of the penstock separated.
Slope Failure
Valve failure
Water Stop Leak
Penstock Type
ALL
Canal
Concrete
PVC
Riveted Steel
Steel
Wood
Initiating Event
ALL
Landslide
Deterioration
Penstock Discharge
Inflow Flood - Hydrologic Event
Lightning
Broken Turbine Needle Tip
Erosion
Rockfall
Precipitation
Penstock Dewatering
Valve Failure
Fabrication Error
Frozen Vent
Settlement
Crane
Needle Valve Failure
Canal Embankment Slide
Slope Failure
Water Stop Failure
Dewatering
Guy Wire Failure
Hydrologic Event
Turbine Needle Valve Failure
Equipment Impact
Tree Fall
Avalance
Operator Error
Wall Collapse
Piezometer Readings
Inlet Valve Failure
Keyword
Penstock Incidents?
Do you have penstock information you would like to contribute?
Click Here
