Close-up inspection: more than 15 years of age (renewal survey no-4)

1. Ballast tank:

            – all transverse webs, their plating and longitudinals (short form of longitudinal stiffeners)

– all transverse bulkheads their stiffening system

2. Double side tank:

            – on side shell and inner side plating (forward, middle, and aft position of the tank)

                        – all ordinary transverse frame (in transverse framing system)

                        or

                        – all longitudinal framing (longitudinal framing system)

3. Cargo hold:

            – transverse bulkheads including internal structure of upper and lower stools (triangular shape), where fitted.

4. Hatch cover and coaming:

            – all cargo holds hatch cover and coamings (their plating and stiffeners)

5. Deck plating and underside of deck structure:

            – all deck plating and under deck structure inside line of hatch opening between all cargo hold hatches

.esp thickness

Annex two: MINIMUM REQUIREMENTS FOR THICKNESS MEASUREMENTS AT RENEWAL SURVEYS OF DOUBLE-SIDE SKIN BULK CARRIERS