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Sewage System Upgrades

Laser Gulf was awarded the contract for upgrading the sewage plant located in the starboard side forward column on the Heydar Aliyev semi-submersible drilling rig. We fitted a new Membrane Bio-Reactor (MBR) complete with a screen filter for solids removal. In order to position the new unit, deck loading calculations were performed to the satisfaction of the American Bureau of Shipping.

Based on the deck loading analysis an equipment layout was produced followed by detailed design. An installation methodology was produced taking cognisance of the requirement to install all equipment and fabrications through a 2 metre wide by 3 metre high temporary aperture in the column. Equipment was moved into position using rig permanent craneage.

All designs, calculations and materials of construction were to the satisfaction of the American Bureau of Shipping.

Deliverables Included

  • 3D-scanning of the existing sewage plant and all other equipment in the installation area.
  • 3D conceptual design for client review and approval.
  • Bulk material take-off.
  • Structural analysis and design calculation report.
  • Fabrication drawings for skidding arrangement.
  • MBR unit foundation & screen press structure.
  • Fabrication isometrics.
  • Pipe support design.