Section: 11 CARGO OPERATIONS - Univan

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Univan Ship Management Limited Issue 1 REV 0 Page 3/4 FLEET OPERATION MANUAL Date 01.01.2005 GENERAL DESCRIPTION OF RO-RO VESSELS Copyrights: Univan Ship Management Limited, Hong Kong. All rights reserved Any unauthorized reproduction of this manual, in any form is prohibited SECTION 11.1 Mafi trailer Mafi trailer carry heavy cargo and towed in and out of the vessel using Tow master. Mafi trailer some times load up to 60T, they are either 80 feet or 60 feet long Word/ Term / Definition / Understanding Abbreviation Plastic Profiles The plastic profiles are used to be inserted below the span sets to avoid any damage to packing material of palletized cargo such as milk powder. Remember the plastic profile should slightly smaller in size than the packing to avoid any damage to adjacent packing. PCC Pure car carrier, those vessels specifically designed to carry cars. These vessels have low deck height for the best utilization of cargo space for carriage of maximum no. of cars. PCTC Pure car truck carrier, these vessels are designed to carry cars and trucks with adjustable deck panels. The heights of all decks can be adjusted for the height of cargoes. These vessels are generally bigger in size than PCC vessels. Permissible uniform Maximum uniform load a deck or a deck panel or a ramp is designed to load withstand expressed in MT/M 2 Permissible axle load Maximum axle load a deck or a deck panel or a ramp is designed to withstand expressed in MT/M 2 Pick –up truck Pick-up truck is the vehicle used on PCTC vessels to transfer lashing material etc. Polyester slings Polyester sling is a short sling about 2 feet in length of same strength as the lashing belts. This is used to connect the hooks indirectly to interior parts of the car body, where the hook can not directly be fitted or where the fitting of hook will damage the car body. We also call them straps. Picture No: 20 Push out cylinder This is the cylinder located on the weather deck (control deck) to push the ramp flaps out when lowering the main wire. Ramp (internal) Internal ramps are the sloping passage from one deck to another. This may be adjustable as on PCTC vessels or fixed on PCC vessels. They are also called slop ways. Ramp (external) External ramps are the slop ways used for discharging the cargo from the vessel to the wharf. These ramps are hoisted up and secured before proceeding to sea. When hoisted up they are water tight. Upon arrival port they are lowered to the wharf, for the purpose of cargo operation. Ramp load (SWL) Ramp load is the maximum load in total, the ramp is designed to withstand. This is different from maximum spread load and uniform load. Refueling Some times the loaded vehicle can not be started at discharge port due to lack of fuel. They have to be replenished with fuel this process is called refueling. This is a critical operation and utmost care should be taken while conducting this operation. Separation tape Separation tape is used to mark different consignments of cargoes or different blocks of cargo. This is to avoid any short landing or over carriage of cargo. This is also used to mark the different blocks for the same consignment. Service car Service car is the vessel’s equipment, used for utility purpose such as transferring lashing and personnel within the cargo areas. It is also called pick up truck. Shaft load Same as axle load. Slope way Some times internal fixed ramps is also termed as slope way.
Univan Ship Management Limited Issue 1 REV 0 Page 4/4 FLEET OPERATION MANUAL Date 01.01.2005 GENERAL DESCRIPTION OF RO-RO VESSELS Copyrights: Univan Ship Management Limited, Hong Kong. All rights reserved Any unauthorized reproduction of this manual, in any form is prohibited SECTION 11.1 Word/ Term / Definition / Understanding Abbreviation Span set These are long belt lashings, used to secure the delicate palletized cargo such as powder milk. Spread load Same as uniform load. Steel hooks The hooks at the end of lashing gear, which may be connected to the tow point on the vehicle. See picture 42. Sub wire This is the wire to control the lower flap section on the stern ramp. This wire is connected to hydraulic cylinder. Surveyor’s tape Same as separation tape. Switch backing This is the method employed to turn the car in very short place. The gear is put on reverse, Wheel is turned opposite to the direction you what to turn and hand brake is applied. Now accelerator in pressed and clutch is released. Then hand break is released just for a second and applied again. This may be required when the car is needed to be discharged and there is no place for turning. However you have to be very careful while conducting such operation. TGV Train Generator Vehicle, This is a heavy equipment carried on Mafi Trailers. Traffic cones Traffic cones are, red coloured plastic cones, some times highlighted with retro reflective tapes. These are used for guiding the drivers for correct passage to stowage point, while loading and correct way out while discharging from the ship. Tug Master It is a vessel’s vehicular equipment used for the towing of Mafi trailers. Uniform load It is the load on the deck or the deck panel or the ramp in one square metre area. This is expressed in MT/ M 2 . Wedge (wooden) When the vehicles are stowed on a slope way, in addition to the lashings, the wooden or plastic wedges are to placed under the car tires. Wheel rim Wheel rims are metal or fiber rims, fixed on the wheels of the cars. Where there is a fiber rim fitted it should not be used for lashing the vehicles. Wheel cap Same as wheel rim.
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Section: 11 CARGO OPERATIONS - Univan

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