Pipe-bundle also called umbilical stalk, which bundles together different supply pipes like air, fresh water, electrical power, communicative signal pipes, through which the underwater working unit obtains the supplies from the base above water or underwa ...

A test applied to one of a batch of machines of identical design from one manufacturer.

A kind of winch, which is applied on sweep/survey ship for receiving/ throwing and towing the sweeping apparatus and hawser, and performing of sweeping the sediments under sea.

A winch with one or more rope storage drums for veering out, hauling in or making fast tow ropes.

A device for hoisting and lowering the davit- launched lifeboat

A kind of winch, which is applied for receiving/throwing the sampling apparatus, and performing the oceanic & geological sampling.

A winch having one or more drums, which may operate independently or simultaneously, to hold、haul in or veer out the trawl ropes. It may have monitoring safety devices and spooling gear to protect ropes、net and gear. Auxiliary drums and warping ends may b ...

A kind of winch, which is applied for deep sea-bed material sampling, and performing the benthonic organism trawl survey.

A kind of winch, which is applied for receiving/throwing the hydrographic survey apparatus, and performing the hydrographic measurements.

What is NDT ? The field of Nondestructive Testing (NDT) is a very broad,interdisciplinary field that plays a critical role in assuring that structural components and systems perform their function in are liable and cost effective fashion. NDT technicians ...

What is NDE? Nondestructive evaluation (NDE) is a term that is often used interchangeably with NDT.However, technically, NDE is used to describe measurements that are more quantitative innature. For example, an NDE method would not only locate a defect, b ...

A winch having a rope storage capacity and used for topping, lowering and supporting a boom under load and no load.

Without any means of powering, except for hand power.

(AP) – The aft perpendicular passes through the aft end of the freeboard length L.

– The confirmed or official ship dimensions.

A prime mover which is suitable for operating the deck machinery at its full designed load.

– A boiler test to ensure that the safety valves can release steam fast enough to prevent the pressure rising by 10%. The main steam stop valve is closed during the test.

1. A type of lifting gear often installed on stern of cable vessels, pipe-lying vessels and offshore construction vessels for sub sea load handling. 2. A fabricated steel structural element of a slow speed, two-stroke diesel engine. It stands on the bedp ...

The maximum rope tension (in kilonewtons), measured at the drum exit when the drum ceases to rotate in the direction of haul, the prime mover being set for maximum torque and the rope being wound on the drum in a single layer.

A winch having a rope storage capacity and used for slewing and retaining a boom.