Goltens completes cruise ship scrubber installation in 18 days

Written by Nick Blenkey
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Rigging exhaust gas scrubber section aboard

DECEMBER 4, 2018 — Goltens reports that it was recently engaged to undertake the installation of two exhaust gas scrubbers on a cruise ship equipped with four GMT/Sulzer 16ZAV40S and two GMT/Sulzer 12ZAV40S diesel electric generating sets.

The scope of the project was to perform all evaluation, planning, design and installation for two 10+ meter long exhaust gas scrubber towers on diesel generators #1 and #2 and to complete the entire operation before the completion of the vessel’s dry dock period in the United States.

Goltens’ Technical Management attended the vessel to evaluate the project, determine space requirements and logistical obstacles. Additionally, leveraging the well- proven Goltens Green Technology process, 3D laser scanning of the spaces was undertaken to facilitate system modeling. Once 3D modeling was complete, Goltens was able to complete the detailed design and map out a definitive process, manning plan and timeline for the removal of the existing exhaust silencers and the installation of the exhaust gas scrubbers within the timeline required.

Additionally, based upon the detailed design, Goltens was able to prefabricate foundation structures in its workshop and ship the prefabricated material to the vessel in time for its arrival in the dry dock.

Goltens mobilized a 10 man riding crew to the ship perform demolition and prepare engine casing for the rigging and installation operations. Despite a three-day delay in beginning dismantling work caused by operational demands for the engines, all preparatory work was completed during a nine day underway period prior to docking.

Once in dry dock, Goltens mobilized a team of more than 40 technicians (100% American labor) and technical managers to site to complete the project within the 10 day drydocking period. After an initial 24-hour delay due to sever weather, the team removed all eight exhaust silencers and installed all scrubber tower sections within 22 hours, before the crane was struck due to another storm.

Goltens ran two shifts with a minimum of two supervisors per shift to ensure that quality controls and safety standards were adhered to throughout the project.

Despite significant delays caused by severe weather conditions at the beginning of the drydocking, Goltens was able to keep the schedule working around the clock to complete the installation.

Goltens worked very closely with the vessel’s technical project management to overcome schedule delays caused by weather and technical obstacles encountered. As a result, the project was completed a day ahead of schedule and the vessel was able to leave the dry dock as planned.

As a result of the successful completion of the job, Goltens was awarded and completed a similar job for a sister vessel a few months later.

Rigging exhaust gas scrubber section aboard

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