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KEY BENEFITS:

Short notice mobilisation

Minimised disruption

Bespoke solution

 

PROJECT:

Marine engineering operations for unexpected shipyard recoveries often need to be performed quickly to minimise costs and reduce disruption to other work. ALE swiftly mobilised its specialist heavy lifting equipment to perform the righting of a ship in A Coruña, Spain, and enable its repairs to be completed.

The vessel, weighing 400t and measuring 33m long, needed to be lifted until it was upright and then moved to rest on its keel. Several other companies had attempted the operation unsuccessfully.

The limited space at the dock meant using a large heavylift crane would have significantly impacted other operations at the shipyard. The solution also needed to be viable on the boathouse’s steep slope. ALE’s lengthy experience of providing bespoke alternative lifting solutions enabled them to work alongside the shipyard to devise an efficient solution and prepare for the project in only 15 days.

Two heavylift gantries were installed over the ship, each supported on two skid beams that were connected to strand jacks. Two lifting units were also connected to each gantry. As each of the lifting units could be operated separately, they provided a high degree of control and accuracy for the complex manoeuvres. This enabled ALE to precisely lift the ship into position. Once righted, the ship was skidded onto the beached bed to rest on its keel.

For this gantry lifting and heavylift skidding operation, ALE mobilised two A-frame heavylift gantries, four SLS2000 strand jack lifting units, eight skid beams and eight 150t capacity strand jacks.

The operation was part of a project to rescue the vessel, a fishing boat called ‘Lumian’, after it had fallen over in the shipyard while undergoing repairs. With the completion of these shipyard heavy lifting manoeuvres, the repairs could begin to be concluded.

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Eficaz alternativa de izado asegura solución rápida para astillero español

 

BENEFICIOS CLAVE:

Movilización a corto plazo

Interrupción minimizada

Solución personalizada

PROYECTO:

Las operaciones de ingeniería marítima para salvamentos en astilleros, a menudo deben realizarse rápidamente para minimizar los costos y reducir la interrupción de otros trabajos. ALE movilizó rápidamente su equipo especializado en pesos pesados para realizar el adrizado (puesta en posición vertical) de un barco en A Coruña, España, y permitir que se complete su reparación.

La embarcación, de 33m de eslora y un peso de 400t, necesitaba ser adrizada y luego movida hasta su cama de varada. Anteriormente, diferentes compañías habían intentado la operación sin éxito.

El limitado espacio del que disponían en el muelle y la implicación del uso de una grúa de grandes dimensiones habría impactado significativamente en otras operaciones del astillero. Había que encontrar una solución, además, factible en la fuerte pendiente del varadero.  La larga experiencia de ALE ofreciendo soluciones alternativas personalizadas les permitió idear una solución eficiente y preparar el proyecto en solo 15 días.

ALE instaló dos pórticos de izado sobre la nave, cada uno con dos unidades de izado y cada pórtico fue apoyado sobre dos patines de deslizamiento movidos por gatos de empuje. Como cada pieza del equipo podía operarse de forma independiente, proporcionaban un alto grado de control y precisión en esta complicada maniobra.

Para esta operación de izado y deslizamiento de carga pesada, ALE movilizó dos pórticos en A, cuatro unidades de izado SLS2000, ocho patines de deslizamiento y ocho gatos de empuje de 150t de capacidad.

La operación fue parte del proyecto de rescate del pequero llamado “Lumian”, después de que este se hubiera caído al suelo en el astillero mientras estaba en reparación. Con la finalización de estas maniobras de heavylifting en el astillero, las reparaciones podrán comenzar.

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