|
A |
Fixing point for lifting apparatus (Minimum load capacity is 2000 kg.) |
|
B |
Air bleeding pipe (The minimum diameter is 1/4" (6.35 mm).) |
|
C |
Air vent pipe (The minimum diameter is 1/2" (12.7 mm).) |
|
F |
Mechanical support brackets Due to its height and weight, the hull unit gantry must be secured to the bulkhead by means of mechanical support brackets.
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|
J |
Three or four knee-plates (stiffeners) must be welded to the frames or decks. Stiffen the installation trunk in both the fore-and-aft and athwartship directions by welding strengthening knee-plates both to the trunk and to the doubling
plate.
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The sonar room must be easily accessible using a suitable hatch or a door. The size of the hatch must allow the entire hull unit to be removed without being disassembled.