Self Propelled Diving Bell SPDB

SKU: 1916

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Self Propelled Diving Bell SPDB

SKU: 1916
Open to Offers. The SPDB is built by Perry and is classified by Lloyds Register of Shipping.

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The SPDB is built by Perry and is classified by Lloyds Register of Shipping.
The pressure hull is constructed by low temperature service steel with internal ribs and a internal diameter of 1.372 m.
The battery pods are also pressure sealed cylindrical and have a diameter of 50 cm. They are equipped with removable ends for easy entrance to the batteries.
The boat is supplied with 1 entrance hatch in the tower and 3 entrance hatches for the diver lock out compartment (DLOC). Front of the pressure hull there is a spherical segment window of 89 cm. Beside are 8 view ports of 20 cm diameter equally spaced around the conning tower and 1 upward looking port in the top centre of the hatch. All view ports are made of acrylic plastic.
The pressure hull is also supplied by several blanked spares for additional equipment such as battery power the use of high pressure air and for monitoring of the propulsion. All external equipment are protected by heavy-duty fender rails in case of a collision.

BUOYANCY
4 external ballast tanks with a total capacity of 363 l for the buoyancy for the surface stability.

TRIM
An internal variable ballast tank system is placed for compensation of the weight change.
The forward tank has a capacity of 915 l the after tank 2285 l. a h.d. ballast pump with appropriate

AIR
A high pressure air system of 21 m3 by 200 bar in two
externally mounted cylinders for blowing
Ballast tanks and a built in emergency breathing system.

VENTILATION
In the SPDB is a constant 1 atmospheric environment which constantly monitors on CO2 and O2. Excess of C02 will be filtered out with sodium carbonate (CO2 absorption chalk) by an electric powered scrubber unit the O2 will be supplied by 4 internal placed 50 l oxygen cylinders.

HYDRAULIC
In the SPDB placed electric powered hydraulic pump supplies the actuationcontrol of the stern rudder diving Rudder with 3 legs the manipulators will be controlled by a external placed system with pump.

CONTROL
At the pilot there is a portable control box with joystick for the controlling of the propelled and positioning the thrusters.The pilot has the control over all the instruments which are needed for the power supply and the monitoring in both normal as emergency situations.

STANDARD EQUIPMENT
Navigation: compass sonar echo sounder tracking transponder and depth gauges.
Communication: Mesotech underwater telephones (27 kz) FM radio for the surface use and diving Communication system through the umbilical. External lighting 4 x 100 watt Quartz halogen lamps.
Cameras: 5 cameras with DVD recorder of which 4 fixed and 1 with adjustable zoom and focus. The cameras will be used for monitoring and observation of the SPDB the variable adjustable camera can also be used for underwater video inspections.
Manipulator: 2 hydraulic controlled multifunctional 34 kg WLP manipulators with 4 degrees of free movement and 5 functions.

SAFETY FEATURES
In case of emergency the battery pods can be ejected to get extra buoyancy In the battery pods will be a water censor to eventually detect leaks.
Built in emergency breathing system (BIBS) with masks and life vests.
3 fire extinguishers of which 1 hyperbaric (in DLOC)
Battery powered stroboscope as beacon.
GENERAL SPECIFICATIONS


Length 77 m Breadth 24 m Height 26 m Weight 149 tons

Max. speed 3 knots

Max. depth design diving depth 300 m ( present maximum operational depth 85 m)Power supply 2 batteries of 20 cells 120V 248 Ah

2 batteries of 4 cells 24 V 248 Ah

1 emergency battery of 2 cells 24 V 62 Ah

Main propulsion 10 kW electric motor (180 degree swivel) Directional thrusters 2

Crew Depends of the operation 2 or 3 crew with 2 divers (DLO mode) or 3 passengers (max. 5 persons) Extra load max. 450kg