500t Liebherr offshore crane overhaul supervision and crane certification with DNV by Elgin Brown & Hamer Namibia (Pty) Ltd in Walvis Bay West Africa.
The ALATAS job scope included:
Complete project management.
Condition evaluation of the complete crane.
Full NDT inspection of the load carrying structure.
Preparation of a full job and project plan for five(5) months.
Preparation and approval for all relevant NDT and welding procedures.
Supervision of replacement and repair of structural elements in the boom.
Supervision of disassembly, overhaul, assembly and testing of all winches, gears, brakes etc.
Removal of crane boom, breaking it down into the main sections, removal of winches, NDT of crane boom structure, replacement of approx. 50% of the boom pipes, overhaul of gears, etc.
Re-assembly of winches, gears, boom sections, crane boom installation onto the crane, rope reeving, commissioning and overload testing with the certifying authority.
Engineering, design, re-modeling of the crane boom for the preparation or repair, welding and inspection documentation.
Supervision and testing of a new SLI system for all three hoist arrangements.
Load and overload testing using multiple water bags.
Establishing of an updated crane certification document package and the submission to the certifying authority.
