Workshop In Dockyard |
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Electrical and Electronic |
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Services provided in this workshop are as follows: |
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Electric motor rewinding up to 200w |
Electrical installation |
Repair of communication Equipment |
Repair of navigation equipment (radar, echo sounder, logs) |
General electronics and precision equipment. |
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Steel Workshop for |
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Circular cutting of steel rod up to 300mm diameter |
Cold bending and straightening of shaft up to 300mm diameter |
Plasma (precision) steel plate cutting using flame |
Power former (for folding) |
Forging (various shapes) |
MIG/MAG and TIG welding machines (for all types of welding) |
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Mechanical Workshop |
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Capable of fabricating most of the spares needed for the repair of ship engines, |
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pumps, heavy electrical generating sets and valves. |
Turning |
Milling |
Shaping |
Boring (vertical and horizontal) |
Precision grinding for cylindrical surfaces |
16m Lathe machine |
6m Lathe machine |
Numerical and computer-controlled shaping machine |
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The 16m lathe machine is first of its kind in the whole of West Africa. It is used for |
machining and carrying out repairs on propeller shafts for big merchant ships and |
warships. |
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For perfect finish and mirror smooth surface grinding, the surface grinding machine in the |
mechanical workshop is one of the best in its category. |
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The heavy duty machine, the radial (cylindrical) grinding machine is very important for |
cylindrical surface mirror finish up to micro on cylindrical pieces of up to 1.5m in length and |
0.5 diameters. |
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Foundry with following facilities |
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Cast pot equipment (24 hours capacity, automatic casting (non-ferrous metal) |
Mixer: Forming machine (for casting) |
Casting spare parts |
Vibrator point. (Silicate filter) |
Sand filter |
Pneumatic Sand Charger |
Sand storage |
Hydraulic System (automatic) |
Fire fighting system |
Source water |
Sand blasting |
Control panel |
Laboratory (3) - Testing Metal Area |
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Arsenal Workshop |
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This workshop is suitable for the repairs of marine electronic system such as navigational |
aids (radar, gyro, log & echo sounders) communication equipment and fire control systems. |
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Glass Reinforced Plastic (GRP) |
The workshop is also equipped to manufacture other accessories/components for the |
auto/communication industries e.g. car bumpers, satellite dish accessories, mud guard and |
fenders, lagging of oil pipelines etc. |
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Hot Dip Galvanising |
This is the most economical and best established means of preventing rust where repeated |
painting is not feasible. The following facilities exist in the Galvanizing workshop: |
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Phosphate bath- this bath is for degreasing |
Acid bath to remove rust and all other impurities from the surface of the job to be galvanized |
Water rinsing bath |
Flux bath |
Overhead cranes for mechanical handling of the jobs. |
The baths size is 21.5 ft length x 4 ft breath x 8 ft deep |
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Electroplating |
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Electroplating is a form of metal protection by the use of direct current and electrolyte of |
metallic salt to coat a structure with the base metal. |
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Our Electroplating Workshop can handle the following: |
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Chrome plating (whereby chrome is deposited on the job by electrical means) |
Hard Chroming |
Cobalt Chroming |
Copper Cyaniding |
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Carpentry Workshop |
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This workshop is well equipped for carpentry, joinery and cabinet works. Seasoning and |
painting of wood are also carried out at the workshop. The workshop is capable of |
handling any customized wood works. Our team of qualified in-house architects will be |
glad to place our professional advice at your disposal at no extra cost to you. |
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To ensure that we meet our deadlines, our ultra modern wood working machines are |
serviced by a 500KVA (standby) generator: Hence we work round the clock, just to satisfy |
our clients. |
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Facilities available at the workshop are: |
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Sawmill with overhead loading crane |
Spindle moulder |
Wood Plainer |
Surface plainer |
Multi-Dimensional saw benches |
Drum/Belt sanders |
Band saw |
Pivot Driller |
Lathe machines |
Central Dust Extraction unit |
Spraying unit |
Central Air Compressor System |
Flush Door Pressing Machine |
Exclusive Spraying Chamber |
500KVA Standby Generator |
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QUALITY ASSURANCE LABORATORIES |
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The NND has a Quality Assurance Department with |
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a. Destructive Test Laboratory including |
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Frank Hardness Tester Frankoskop 385 32 used to determine the hardness on metallic |
materials. |
SCHENCK TREBBEL compression, tensile and bend test machine (three in one). |
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Pendulum Impact Testing Machine RPSW 15/300 for Notch – bar impact tests according to |
| various standards. |
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b. Non-Destructive Test Laboratories: |
| The equipment in the non-destructive testing laboratories include: |
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X-Ray Laboratory – The X-Ray laboratory is equipped with ERESCO Industrial X-Ray |
Equipment type – As2. |
Photographic Laboratory – The photographic laboratory is equipped with cameras, both |
urface and underwater, video cassette recorders and monitors, film developing outfit, as |
| well as printing machines. |
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Other equipment – Other equipment in the non destructive testing outfit include |
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Ultrasonic test machines, paint thickness measuring machines, crack and lead detection |
equipment. |