Dropped Objects Who s Responsible. Presented by Bob Thompson, Chevron Indonesia

Transcription

1 Dropped Objects Who s Responsible Presented by Bob Thompson, Chevron Indonesia

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3 Design - Bolt fell from URA to Drillfloor - 1.6kg x 25m A bolt attaching the gripper head to the upper racking arm came loose and fell to the drillfloor during a tripping operation All personnel were outside the danger area. 1. Incorrect material in manufacture 2. Bolt had the incorrect part number 3. Faulty design - should not have been with welded head 4. New design bolt in not changed out.

4 Manufacture - Bar fell 30m to Cargo Deck Bar holding skid rubber in place fell 30m to cargo deck. 1. Poor design 2. Poor manufacture 3. Poor maintenance.

5 Packaging - Coupling sheared off during transit Compressor delivered with broken Weco coupling inside skid Coupling had been sheared off during transit. 1. Poor design 2. Poor packaging 3. Lack of awareness.

6 Transport - Items found on the top of container Hammer and Chisel found on the top of container prior to lifting. 1. Carelessness of persons using tools 2. Failure to check loads prior to despatch.

7 Quayside - Rubble found in the Forklift Pockets Rubble found in the Forklift Pockets. 1. Poor storage facility 2. Failure to check loads prior to despatch.

8 Transport by Sea - Item left on top of a unit A temperature gauge used to check exhaust temperature was left on top of a unit The gauge weighed approximately 0.25kg. 1. Lack of awareness of maintenance staff 2. Failure to check loads prior to despatch.

9 Installation / Commission - Item not designed for use at height Air regulator fitted to wireline hoist. Not designed for use at height Securing dogs not engaged When energised cover and internals (230gm) blew off and fell 10m to drillfloor No injuries were sustained. Cause: 1. Equipment unsuitable for use at height.

10 Operations - Bolt fell 24m to Drillfloor A bolt was observed laying on drill floor 3m from personnel Investigation showed that a bolt for a roller on pipe handler had come loose, the nut and bolt had disassembled. Roller (750gr) was found loose on roller gripper head. 1. Failure of lock washer 2. Poor design.

11 Operations - Pin fell 6m to Drillfloor Pin fell 6m from Bail Retainer to Drillfloor, the pin weighed 0.5kg. 1. Poor design of cotter pin security 2. Cotter pin safety spring was flicked-up and fell out. Considerations: 1. Secure pins with ty-wraps 2. Re-design pin security.

12 Operations - Grating (20kg) fell 8m While running riser a flange on the riser knocked loose a part of the grating on a work platform. The grating fell to a lower level landing 2m from a person. There were people on all levels observing to make sure the riser was not hitting obstructions. 1. Roughneck changes level without notifying the Driller and has his focus on the guide lines 2. Failure to follow procedures - Work platform was not fully retracted 3. Person was inside closed area.

13 Maintenance / Repair - Hammer fell 30m Hammer (0.4kg) fell 33m from work platform following maintenance operations. No personnel were working in the vicinity. 1. Insufficient Risk Assessment 2. No securing of tools at height.

14 Decommission / Dismantle - Spike fell 7-8 feet Spike, hidden inside scaffolding tube fell 7-8 feet to the deck narrowly missing Scaffolder. 1. Insufficient Risk Assessment 2. No securing of tools at height 3. Bad habits. Recommendations: 1. Cap tube ends 2. Secure tools at height.

15 Packing - Door fell off during backloading Container back loaded from offshore. Door opened and fell off. Further investigation revealed door hinges were unsatisfactory and container had made substantial contact with solid object. 1. Poor maintenance and fabrication of containers 2. Poor standards of inspection 3. Poor handling of loads.

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17 Dropped Objects Everyone is Responsible Developed in association with