After human error the boom of crane #1 fell down to the deck during a routine maintenance procedure. The boom was caught by the cargo runner, causing the boom to collapse halfway. Next to serious damage to the boom chords, the boom head suffered significant damages as well. Alatas was requested to conduct an incident investigation, assist during removal and repair, reinstallation and subsequent testing of the crane.
Alatas provided a service engineer on site during the whole duration of the project. The engineer conducted the investigations, produced all needed reports and followed up during all stages of the repair. Further the engineer was the liaison person between the client, clients’ contractors for carrying out removal, repair and installation and Alatas Crane Design – Alatas in house structural design department.
The job scope included the following:
• Incident investigation to determine cause.
• Assisting contractors for safe removal of boom and transportation to customers’ yard.
• Providing full damage report of boom and crane tower.
• Providing of full repair procedure including:
- description of damages;
- procedure for dismantling of the boom;
- procedure for checking of remaining boom and crane tower for damages
- parts drawings and welding procedures for new chord and boom head sections;
- painting requirements;
- test requirements after repair including NDT and load testing.
• Carrying out of boom installation.
• Carrying out of testing after completion of repair.
As a one-stop service provider for cranes, Alatas could provide all reports and procedures in-house. Due to knowledge of the local Asian market and long term customer relation, the repair was tailored to the specific clients’ needs: repair conducted in the clients own container yard with his own contractors.