[WRE ADVISOR | BUSINESS]
Hywind Scotland Pilot Park, a floating wind farm off the northeast coast of Scotland.
“IMCA’S CRANE AND WINCH OPERATIONS WORKGROUP, ONE OF THE TRADE ASSOCIATION’S MOST PROACTIVE WORKGROUPS… (IS) NOW RECOGNISED AND INCORPORATED, AS THE LIFTING & RIGGING MANAGEMENT COMMITTEE (LRMC), INTO IMCA’S EXISTING STRUCTURE AS A CORE ACTIVITY.”
Photo copyright Saipem, courtesy of IMCA.
Tis year’s Seminar focused on high performance slings and grommets used for subsea construction, with its title ‘Slings and rigging – the soft revolution’ indicating the steady move over the past five years from wire to high performance fibre based rigging. Topics covered included the current codes and standards (IMCA has published one of the main guidelines), operational experience, supplier updates and test house/academic studies. After a welcome and introduction from David Cannell, the Seminar chairman, a number of presentations and workshops followed and were designed to present the latest status and understanding of the technology, to create discussions and to capture industry status and requirements (present and foreseen). Te first workshop saw delegates discussing actual experiences and hot topic issues such as ‘Satisfying clients’ requests – specifically with heavy lifting gear’ and ‘Certification for intended purpose?’ Te second embraced ‘Requirements – now and future’ when code/guidance improvements, testing and future R&D needs were discussed. Te presentations and workshop discussions will now be used to influence, shape and develop existing and future IMCA guidance.
KEY DOCUMENTS Tere’s more to IMCA’s LRMC than an annual Seminar – far more. Work has taken place on revising some of the key lifting and rigging documents including ‘Te initial and periodic examination, testing and certification of ROV launch and recovery systems’ (LR 011, R 011), so this has been assigned an LR reference code (supplementary codes show relevance to a specific technical division) and was re-issued in June 2017. Similarly, ‘Guidance on the use of chain lever hoists in the offshore subsea environment’ (LR 005, D 028) was also re-issued in June 2017.
Other key LRMC guidance includes ‘Guidance on the Manufacture and Safe Use of Cable-laid Slings & Grommets’ (LR 008, M 179 Rev 1 – published in September 2016); ‘; and ‘Guidance on the Selection, Safe Use and Inspection of High Performance Fibre Slings’ (LR 009, M 237 Rev. 1 published in April 2017) LRMC’s current work programme includes the
Mark Ford
all-important revision of ‘Guidelines for lifting operations’ (LR 006, M 187, SEL 019) which will embrace such topics as:
• New lift planning flowchart
• Personnel – Lifting team, lifting supervisor, dive supervisor
• New lift categorisation flowchart • Defining lift categories • Use of crane charts • Tag line use • Out of plane forces • Vessel stability
• Heave compensation – Passive, Active, Combined, Constant tension
• Inspection, examination and marking of lifting equipment
• And appendices on Subsea lifts; Diving operations; Lifting personnel; Lifting at extreme heights; Lifts when dismantling
WIRE ROPE EXCHANGE SEPTEMBER–OCTOBER 2017 75
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