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Coded Hyperbaric Welding Services (Dry & Wet)
Development & Approval of Welding Procedures
(Dry & Wet)
NDT Inspections (Dry & Wet environment)
Underwater Welder Training for Commercial Divers
(the WeldCraft-Pro)
Manufacturing & Supply of Diving and Welding
equipment ww
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HowWeWorkMAREX is renowned for its ability to succeed with all missions entrusted to its staff:Reliability, Timeliness of work, Quality of work Safety of its own teams and its clients,teams, Confidentiality. In MAREX Subsea Welds Ltd, we take the Client's needsseriously. That's why, before we start on site operations, we proceed to ademonstration of the work method statement and of the result we will produce, whenprojects involve Coded Welding & N.D.T. Inspections.
Specializing in Custom-Made SolutionsWe cover every phase: Identification of needs, Feasibility studies, Virtual 3D modellingand animation, Turnkey solutions and Maintenance. Depending on projectrequirements, we can design and manufacture any construction required which canmake the course of the project successful.
QHSEOur target is the commitment to Health and Safety and Quality Management. Ongoingreviews, internal auditing, inspection, communication, and training of personnelcombined to ensure that safety and quality standards are monitored and continuouslyimproved. This requirement is in place to effectively manage the evolving challengesprovided by the global marine construction working environment. MAREX is supportedby a multi-skilled and professional workforce, equipped to provide turnkey solutionsfor maritime and inland over or under water construction projects.
ABS Quality Evaluation – ISO 9001Marex is approved for its management system by ABS for the following topics: Coded Hyperbaric Welding Services (Dry & Wet) Development & Approval of Welding Procedures Underwater Welder Training for Commercial Divers (the WeldCraft-Pro) Manufacturing & Supply of Diving and Welding Equipment
The Passion and Ambition for overcomingMajor ChallengesMAREX has been meeting challenges for over 20 years, on the basis of a simple andprecise logic: To any problem raised by a client: - We find the solution - We design andproduce the solution - We implement the solution with highly professional teams thatfocus on safety and quality. Entrust your projects to MAREX; MAREX will take up thechallenge!
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Recent Client’s Evaluations
Development and Approval of Welding Procedures
Marex Subsea Welds Ltd participated in Underwater Wet Welding Trials on
Examination and Testing of Barracuda Gold Electrodes and specific Evaluation of
mechanical & weld quality properties in Accordance with AWS D3.6:2010, Class A
(Comparable properties and testing requirements with above water welding).
The purpose of this investigation was to identify if underwater wet-welding
could now be performed, using the electrode Barracuda Gold, to deliver weld metal
quality in accordance with AWS D3.6M: 2010 Class ‘A’, therefore moving this process
out of temporary to permanent repair methodologies.
Under the AWS D3.6M underwater welding specification Class ‘A’ welds are intended
to be suitable for applications and design stresses that are comparable to their
conventional surface welding counterparts, by virtue of specifying comparable
properties and testing requirements.
For the purposes of these trails, welding was conducted at -3M water depth
in a freshwater training tank. Water temperature was 7C⁰ and visibility was
good. All welding was performed by Mr. George Maroudas.
From the evidence supported in the report (More info: www.specialwelds.com)
utilising careful control for welding operations and attention to detail, the evidence
from the NDT and destructive examination and testing has shown that class A wet
welds has been achieved.
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ABS Academy –Marex is a CertifiedMaritime Training Center
Marex is a Training Center that provides education and training services to the global
Marine Industry. One of the courses provided by the company is WeldCraft-Pro whose
objective is to allow a Commercial Diver to become competent in Underwater
MMA/SMAW Coded welding.
Marex is approved by the ABS Academy for Maritime and Offshore related education,
training facilities and of the courses it provides.
Marex Subsea Welds is approved as/for:
Training Center
WeldCraft-Pro Course
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UnderwaterWelder Training
This course is fully certified by EAL, part of SEMTA – Sector Skills Council for Science,
Engineering and Manufacturing Technologies, the UK’s leading awarding body for
engineering qualifications. The course is also recognized by IMarEST – The Institute of
Marine Engineering, Science & Technology. The training is based on an 80 hour
programme, split over two phases, covering both dry and wet welding and is open to
both non-welders and welders alike. All training follows the International Institute of
Welding (IIW) and European Welding Federation (EWF) syllabus 570-01 for fillet
welder – plate and cover the following topics;
Safe underwaterwelding
Introduction to MMAWelding plant & equipment
Underwaterwelding techniques
Preparing to weld
Electrode& weld terminology
BasicWeldability& commonweld defects
Monitoring& recordwelding operations
QA/QC andwelding procedures
Join carbon steel plates using standard techniques
Training is designed to provide commercial divers with the competencies in both theoryand practice of underwater manual metal arc (MMA) welding. Welder approvalqualifications are conducted is accordance with the following welding standards: BSENISO 15618-1, AWS D3.6-2010 and BS 4872. w
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