Marine Civil Engineering

Structural repairs

(JMS) undertakes all types of underwater engineering work on most marine structures including solarium, jetties, floating jetties, sluices, mooring systems, and dredging. We have the expertise, the specialist marine plant and skilled divers to undertake underwater engineering and repair projects of all types and complexity.

OIL BOOM ARRANGMENT

Dredging

With our extensive marine plant assets, JMS are able to offer backhoe excavators on floating pontoon barges, suction dredge capabilities and grab dredgers. This diversity allows us the flexibility to undertake projects in a variety of coastal locations, with vessels and plant offering optimum maneuverability and dredge speed.

Pontoon and bridge installations

(JMS) has capabilities for constructing and installing various types of small and medium structures. Previous contracts have included pontoon installation projects for marinas and landing stages, as well as footbridge assembly, delivery to site and installation where access is permitted by sea only. Our crane barges is just one example of the specialist marine plant used to support this type of project. (JMS) has the equipment and expertise to bring marine engineering projects to conclusion on time and within budget.

REMOVAL OF OLD STRUCTURES (underwater cutting)

Floating and saving sinking objects

Seabed survey

Investigations carried out have included analysis of seabed material for constituent depth and quantity, as well as providing consulting engineers with environmental data for marine life investigation and survey.

(JMS)  utilizes airlift surface recovery methods and can provide underwater still photography, underwater video and diver verbal reporting and written reports to support any findings.

Quay walls

We offer underwater engineering and above water maintenance of most types of quay wall and have previously conducted repair work.

Pipe and cable laying and recovery

Our divers and marine contractors are regularly involved in projects, both onshore and offshore, for installation and maintenance of a variety of pipes and cables.

Land reclamation

(JMS) is available to carry out works to extend available ground at a diverse variety of marine locations. We possess the capabilities to undertake all aspects of the construction project, whatever the contract size.

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