Page 39: of Maritime Reporter Magazine (January 2023)

SHIP REFIT BALLAST WATER MANAGEMENT SYSTEMS

The EcoOne BWMS has many bene? ts for the offshore market. tion and Dechlorination) can be installed ? exibly in the machinery space or in a deck house. In fact, we recently received an AIP for installation of a non-EX (less expensive) InTank deckhouse above the deck of a MR tanker.

Marshall, Ecochlor

In 2021, we launched our EcoOne ? l- terless BWMS. At the time, Argo Navis

Engineers, Ltd. were involved with two engineering studies with the EcoOne system that concluded the retro? ts could be completed roughly 25% faster when compared to a standard BWMS with ? l- ter and may eliminate as much as a week in the time needed for the retro? t dur-

Image courtesy Ecochlor ing drydock. In addition, because of the smaller bill of materials, owners could Last year we had an at-sea retro? t of a Candy, Scienco InTank realize up to 40% savings in piping and BIO-SEA L03-087 modular unit abord The number of semi-submersibles select- between 30 to 50% for cabling, not in- the 4,350-dwt Greatship Maya which ing InTank highlights the value it brings cluding the saving for any owner’s sup- maintained rig supply operations offshore to this operation – allowing normal ? ood/ plied equipment. Another bene? t is that Labuan, Malaysia, throughout the instal- drain operations for load pick-ups and the treatment system does not have to be lation. Prior to installation we surveyed drop-offs. The last of seven Boskalis ves- installed in the engine room, with ? ex- the site, taking 3D scans of the ship’s sels were retro? tted last year. However, ibility in deckhouse locations.

machinery spaces to simplify pipework, something we had not appreciated before electrical wiring, system integration and has now come to light with our recent

Dedeurwaerder, BIO-UV Group installation. This also revealed some project barge installations: InTank allows

As the market matures and moves to space limitations which ensured we were these barges to be used to receive ballast support and service, we have seen in- able to design and build a ship-speci? c from a vessel that may need to discharge creased focus on system integration and solution, allowing our engineering part- untreated ballast. This size of barge can engineering. This means shipowners are ner 3C Metal to get the BWTS in place service the ballast capacity of very large getting much more involved in the pro- without modifying the steel structure. commercial ships providing an economic cess, to ensure systems and technologies are compatible with the operational pro- ? le and trading pattern of their vessels.

MAG DRILLS & ANNULAR CUTTERS

If the vessel is to trade in Asian waters much of the time, robust ? ltration and

From small lightweight low profile mag drills to large multi-speed models and a wide range of

UV dosing is an important factor. Also, annular cutters, Hougen has the power, performance ship operators must decide if a ship’s op- & solutions for your holemaking needs.

erating pro? le can be adjusted – to enable ballast hauls between two ports where water conditions are challenging.

Can you share details on a recent installation case study?

Dedeurwaerder, BIO-UV -426-7818SERVICE•INTEGRITY 800-426-7818 SERVICE • INTEGRITY • RELIABILITY HOUGEN.COM www.marinelink.com 39

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