Arrangements to ensure:
- safe operation for stevedore: noise, vibration, lighting, emergency escape, fire extinguisher
in cabin, visibility, temperature, ventilation ,
-easy maintenance at sea: greasing, replacement lights, equipment etc. etc.
-emergency lowering the weight
-replacement the wire by crew.
Cranes to be electro/hydraulic type with all machinery inside housing.
The crane shall have a microprocessor based control system, firstly to accommodate easy and trouble-free control, but secondly to be prepared for easy installation of future features, such as wireless control system, load indication system with display for the driver, and remote diagnostics.
Hydraulic system to be of close loop type for hoisting, luffing and slewing
Hoisting and luffing winches are to be one layer of wire on drum. Pressure roller to be applied.
Rope reeving without S-bands, hoisting wire to be non-rotating type.
Spare wire for hoisting and luffing 1 set to be provided. Coiled ready for rigging.
Certified SWL and range to be fix marked on jib both sides.
Foundation for grabs (3 off), empty weight 9 tons each, dimensions: (LxBxH) 3460x3420x4375 and certified lashings for them will be provided.
Crane Classification
The crane shall be designed and calculated according to the following:
- FEM-rules 1.001 3rd Edition, revised 1998.10.01.
Deck crane for hook and grab duty:
- Hook duty Appliance group U4/A4/Q2
- Grab and log duty, reduced to 80%
of the SWL allowed for general cargo. Appliance group U4/A5/Q3
For grab and log handling the allowed SWL shall be reduced to 80% of the SWL allowed for general cargo.
Simultaneous operation of the three motions hoisting, luffing and slewing can be driven at full speed and SWL.
The main power unit to be rubber suspended to minimise vibrations and noise transmission.
For service purpose the crane housing must have a service door large enough to take in and out the largest machinery part inside crane housing.
Access to cabin inside the crane – internally.
都是一般的翻译软件 翻译出来的实在是狗屁不通~小弟分也不多~希望高手能帮下忙~稍作下修改~谢谢了