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1.2 Bottom of Engine Room
Double bottom of E.R. shall extend to the shipside. Solid floor shall be provided at each frame. The size of openings in double bottom shall comply with the requirements of classification society.
Adequate numbers of manholes shall be provided inside tanks for easy access. Adequate numbers of drain holes and air holes shall be provided on the bottom longitudinal and transverse structures.
1.3 Bottom of Forepeak Peak and After Peak Tank
F. P and A. P tank is single bottom structure.
Part of the bottom structure of F. P tank should be strengthened against slamming at the draught of normal ballast condition according to rules requirements.
2. Ship sides
The thickness of side plates shall be approved by Classification Society. The thickness of steel plates from midship to both ends shall be applied as per rules of classification society. The sheer strakes shall be high tensile steel plates approved by Classification Society. The plates around the anchor chain bell mouth and rudder horn shall be strengthened.
Ship sides shall be transverse framing system, made up by frames and web frames.
3. Bulkheads
Arrangement of transverse watertight bulkheads shall be as per General Arrangement plan. The transverse bulkheads shall be of flat plate type with stiffeners. The designs and scantlings of bulkheads to be complied with the rules of classification society.
4. Deck
4.1 Main decks
The ship is provided with one continuous single deck. The side plates of main deck shall be of class approved high tensile steel plate. The constructions of hatch coamings to be referred to the General Structure plan.
Longitudinal framing system shall be applied for the deck areas in way of the cargo holds,while it shall be transverse framing system for deck areas in way of the E. R,fore deck and poop deck.
Deck plates in way of the hatch corners and under the seating of machineries shall be properly strengthened.