Weighings and load-outs for the Perla Project, Mexico
OVERVIEW: ALE has successfully performed six weighings, three shorepulls and six load-outs of topsides and jackets for the Perla Project in Mexico. The project took place within two different clients’ yards in Veracruz and Tampico, Mexico.
SERVICES REQUIRED: ALE provided detailed engineering for the weighing and load-outs. The first operation involved the weighing of the six structures using strain gauge loadcells and hydraulic weighing jacks.
The structures ranged from 950t to 1,350t.
With ALE’s permanent base in Tampico, it allowed ALE to provide a flexible service to both fabrication yards. All equipment used for the project was based out of ALE’s local facility in Tampico. ALE’s local resources also provided the engineering and logistics for the project.
The pulling of the PP1 jacket from the fabrication area onto the transportation barge was performed using four SJ180 strand jacks, each with a nominal pulling capacity of 220.8t each.
Due to the layout of the structures in the yard long shore pulls were carried out safely and efficiently using ALE’s high capacity diesel driven Hydraulic Power Units (HPUs). The HPU’s used provide an impressive 114l / min output per port, this saving time during critical periods in the yard prior to load-out. Programmable Logic Controllers were used to control the strand jacks and allows the operator to have real time accurate information operating from a single source.
ALE also provided all the barge ballasting for the project.
The whole project took around six months to be completed.