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Platform Structural Repair & Conductor Guide Frame Demolition…
Platform Structural Repair & Conductor Guide Frame Demolition
Platform Details
Fixed Platform
8-legged jacket
skirt piles foundations
installed 1997 (21y/o)
Timeline
2015
Level 2 GVI
Visible joint crack on CGF at same elevation
triggered FMD consequently
positive FMD and more cracks found
member disconnected b/t Leg A1-A2
2011
FMD - positive
CGF EL (-)50'
2016
Significant crack on jacket leg A1
monthly inspection
Remedy action
2017
CFG demolition/ replacement project
Action Plan 2017-2019
Install new Grouted clamp supports