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Q trencher 1400/2800
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Catalog excerpts

Q trencher 1400/2800 - 1

PiPeliNe ANd POwer CABle iNSTAllATiON rOV The QTrencher (QT) 1400 and 2800 remotely operated vehicles (ROVs) are based on two high strength steel chassis designs which provide high power trenching capability for the burial of cables, umbilicals and large diameter pipes up to 3m deep in various water depths. The ROVs use variable high flow or high pressure jetting to optimise the trenching to suit the anticipated conditions. The QT1400 can be fitted with tracks and/or a rear eductor to enhance burial of large diameter products, it can also be supplied with independent track bases for chain cutting trenching, core drilling or cutter dredge applications. The QT2800 is the world’s most powerful free-swimming jet trencher. With more than 2 megawatts of total power, the trencher delivers 1.5 megawatts of jetting power. SMD offer a turnkey, integrated solution including SMD designed high sea state launch and recovery systems (LARS) and umbilical systems. feATUreS • Optional rear eductor for large product burial • Optional track modules for hard ground trenching • Variable high flow or high pressure jetting for optimised trenching

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Q trencher 1400/2800 - 2

GENERAL Depth rating 1000, 2000 & 3000msw options 1500msw Dimensions Length 7.8m 7.8m Width 6.5m 7.8m Height 5.0m 5.6m Weight in air 30-40Te 60Te Submerged Weight Neutral Neutral Max tow load 1000kg 5800kg PERFORMANCE Vertical Fore / Aft Lateral ROV power from 0.5m to 3.0m Variable 2.5-3.5m Variable 7-15bar Leg spanning (between inside of legs) Min 150mm Max 900mm from 0.75 to 2.5m Variable 0-2.5m Variable 4-9bar Leg spanning (between inside of legs) Min 250mm Max 1200mm JETTING SYSTEM Twin legged jet tool providing constant jet angle Max trench depth Jetting pressure Width control...

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Q trencher 1400/2800 - 3

MULTI TASK BASE MODULES The QTrencher (QT) 1400 system utilises a core buoyancy module with integral HPUs, thruster pack, water pumps, cameras, central control pod, etc. This can be attached quickly and easily to various functional base modules which include, but are not restricted to, jet trenching module, chain trenching module, core drilling module and crane dredge cutter module. The base modules are connected to the core buoyancy module with mechanical linkage pins, wet connectors, water hosing and hydraulic piping where necessary for minimal change-over time. SMD offer a turnkey,...

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Q trencher 1400/2800 - 4

Core Drilling • rack based wire line core T drilling module for soil investigations with 75mm drill rods and up to 10Te push force, together with drill casings and CPT capability S • upplied with subsea loaded drill magazines for drilling depth beyond 90m D • epth of operations to 500m, 1000m, 2000m and 3000m Chain Cutting • rack based chain cutting T module for trenching in clays up to 400KPa • urial depth from 1m to B 2m with integral depressor and cable handling equipment S • uitable for cables up to 200mm diameter and 3m MBR D • epth of operations to 500m and 1000m

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