Machines and equipment we use
PONTOON "GINA"
- pontoon dimensions: 28.0 x 14.0 x 2.65 m (length x width x height),
- pontoon load capacity: 400 t,
- pontoon equipped with a ballast system,
- pontoon equipped with four hydraulic winches with a pulling force of approximately 250 kN, for fine positioning,
- pontoon equipped with two anchoring hydraulic winches with a pulling force of approximately 100 kN,
- the pontoon includes a suitable container for staff accommodation,
- the pontoon is equipped with a diesel generator with a capacity of approx. 60 kVA for lighting and smaller connected devices and tools
400 t pontoon at the Pelješac Bridge construction site
CRAWLER CRANE
- weight approx. 80 t
- main boom 29 m
- main winch 2 x 200 kN with “free fall” option
- engine Liebherr D9408 TI-E / 400 kW
- working pressure 350 bar
LIEBHERR HS 853 HD crawler crane on the pontoon
LIEBHERR HS 853 HD crane on the pontoon alongside the MULTICAT vessel for handling operations
EQUIPMENT ON THE PONTOON
Equipment on the pontoon with key specifications and descriptions:
- Winches: four winches designed with a pulling force of over 25 t on the first layer
- pulling force on the first layer: 250 kN
- holding force on the first layer: 225 kN
- drum capacity: 250 m, steel rope 28 mm
- operating speed: 10 m/min
- operating pressure: 150 bar
- Hydraulic power unit: its purpose is to power the winches
- working pressure: 250 bar
- diesel engine: 78 kW
- flow capacity: 140 l/min
Hydraulic winch with a pulling force of over 25 t
- Other equipment on the pontoon: in accordance with legal regulations and the requirements of the Croatian Register of Shipping, and with the aim of easier and simpler operation, we will list several key elements necessary for reliable and safe work on and with the pontoon.
Bitts (single or double) for passing steel ropes or mooring lines for securing the pontoon, as well as an appropriate anchor in accordance with the regulations of the Croatian Register of Shipping (HRB)
It is also mandatory to have several pulleys of adequate load capacity and suitable diameter for changing the direction of the mooring steel ropes, increasing the holding or lifting force, and similar purposes.
AUXILIARY VESSEL FOR PONTOON HANDLING
For handling the pontoon, that is, for its positioning and towing, an appropriate tug vessel must be used.
Such vessels are widely used in Western maritime countries as maneuvering vessels in ports, larger marinas, and, of course, on maritime construction sites.
The vessel features a cargo deck resembling that of a small ferry and is equipped with a smaller hydraulic crane with a capacity of approximately 6 t at 4 m, or 2.5 t at 10 m.
Vessel Multicat M12
Main characteristics of the Multicat M12 vessel:
- Year of construction: 1996
- Load capacity: 50 t
- Length overall: 20.05 m
- Beam overall: 9.73 m
- Height: 1.52 m
- Maximum draft: 220 mm
- Minimum freeboard: 300 mm
- Engines: 2 x Caterpillar with 2 x Schottel SRP 110
- Engine power: 2 x 184 kW
- Maximum speed: 6 knots
- Crane: ATLAS type 300.1 V
- Crane capacity: 6 t/4 m, 2.5 t/10 m
The vessel is equipped with a fuel tank of 3,000 liters and a water tank of 1,000 liters. It is also fitted with a generator for powering the hydraulic unit for the crane, one electric winch with a pulling capacity of 10 t, and two manual winches with a capacity of 2 t each.
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