Investigation Report
Workers Fell into Sea During Bridge Removal
05-22-2011 23:15 00054 EI/129 Required Evacuation - LTA (>3 days) - Other
- BSEE
- Investigation Report
- Unknown
- Dropped objectsFalls from heightMechanical failure
- DecommissioningLifting operationsRigging
- CraneLifting accessories
- Exclusion zonesJob safety analysisLifting planStop-work authority
- Upstream oil and gas
- Marine waters
Summary
Investigation of a bridge-removal incident during decommissioning in which eight workers fell approximately 60–70 feet into Gulf waters. The report examines bridge support failure, shock-loaded nylon slings, personnel boarding after stop-work, unsecured piping and inadequate lighting. It records injuries, rescue and evacuation, and identifies supervision and sling-selection failures.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Falls from height; fall from height.
Classifications: Mechanical failure; equipment failure.
Classifications: Decommissioning; facility dismantling.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Rigging; slinging.
Classifications: Crane; cranes.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Exclusion zones; red zones; restricted access zones.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Lifting plan; lift planning.
Classifications: Stop-work authority; stop work; stop-work intervention.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Marine waters.