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LAUNCH & RECOVERY SYSTEMS FEATURE SPONSOR


Subsea Innovation are a world leader in the design and supply of Launch & Recovery Systems (LARS) having supplied over 100 systems to major operators worldwide. All LARS are designed, constructed and tested according to DNV GL Standard for Certification of Lifting Appliances No 2.22 and also Portable Offshore Units DNV 2.7-3. Designs and constructions have evolved over 25 years of operational experience in an ever increasing range of environments including deep water and heavy weather.


From this experience the company has built up a number of standard LARS variants covering a variety of requirements. Each system is field proven and examples can be found in active service worldwide.


XW-90


The XW-90 LARS is the standard Subsea Innovation LARS.


Standard and optional features include - Hydraulically controlled swingframe, self-fleeting sheave wheel, radio controls, lighting – strip, flood and emergency, fall arrest systems, hydraulic gates, snubber walkway, skidbase sliding and rotary pallets, cursor systems and overboard platforms, integrated control room and bespoke deck skid systems.


Model SWL


Outreach XWM-90


The XWM-90 LARS is developed from the XW-90, with similar specifications, the XWM-90 has a cranked upper boom offering closer launch to the splash zone and an increased outreach of 5m.


HF-135


The HF-135 LARS was developed by Subsea Innovation to give a greater outreach and to allow the boom to reach a horizontal position, an advantage for vessels with high free boards. This positions the ROV closer to the water and reduces the pendulum effect during launch and recovery.


XW-90 LARS 15,000 Kg 4.5m


Skidbase Dimensions 4m (W) x 6m (L) Gross Weight


27,000 Kg


This system can be fitted with an integral sliding pallet which can be used to position the ROV, TMS or tool skid in different locations for maintenance.


Model SWL


Outreach HFM-135


The HFM-135 LARS retains all the functionality of the HF-135 but its outreach is further increased to 6.5m. It also has the cranked upper boom offering closer launch to the splash zone.


XX-90


The XX-90 LARS is designed specifically for the trencher market. This system is suitable for large/heavy vehicle deployment as it includes an integral recovery winch swing frame for operations using a non-lifting umbilical.


Model SWL


Outreach XX-90 LARS


15,000 to 50,000 kg 5m


Skidbase Dimensions 6.5m (W) x 8.7m (L)


All systems are supplied with a ROV umbilical termination socket and hydraulic power units to operate the units can also be provided if required.


PARTNERSHIP


Subsea Innovation are partnered with NTD Offshore who have a long track record in the supply of both electrical and hydraulic winches and control systems. These winches can be supplied as part of a full package. All models can be supplied for deck layouts.


BESPOKE ENGINEERED SOLUTIONS The company also produce bespoke engineered systems for specific client requirements. The company can cater from simple transport limitations and weight limits to major design changes improving


20 www.windenergynetwork.co.uk


HF-135 LARS 15,000 Kg 5m


Skidbase Dimensions 4m (W) x 6m (L) Gross Weight


35,000 Kg


their designs to assist their customers as the industry faces more challenging market conditions. Some examples of units based upon our proven XW-90.


XS-90


The XS-90 LARS was developed by Subsea Innovation to be easily road transported throughout the world. The unit is a bolted construction containerised into a 40’ standard offshore spec container.


XT-90


The XT-90 LARS was developed by the company to be easily road transportable within the USA and other areas with width limitations. System width is reduced to 3.2 metres.


FT-90


The FT-90 LARS was developed by Subsea Innovation to meet the requirements for light weight ROVs. Key changes are a reduced size and fixed boom offering a lighter weight system.


HIGH SEA STATE SOLUTIONS The company has recently put together an engineering package to allow the launch and recovery of a free flying ROV in Hs 4.5. This would offer a great reduction is costs associated with vessel time spent waiting on weather.


The main challenge was created by not only the high sea state but the large projected area of the vehicle giving a calculated DAF of 6.5. Subsea Innovation designed a passive damping system into the cursor frame which effectively changes the spring rate of the system lowering the DAF to 3 keeping the size and cost of the system to a minimum.


Other features are heave compensation on both the main and cursor winches coupled with a system to keep things dynamically synchronised and finally an all-electric docking box capable of being submerged with the cursor and reducing the possibility of fluid spillage overboard.


REFURBISHMENTS


Subsea Innovation offer surveys and factory refurbishments of LARS, TMS, HPU and winch systems. This service offers life extension of asset equipment which is becoming increasingly popular in the current market conditions. All work carried out and new parts supplied come fully warranted for additional piece of mind.


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