level

Applicable parts

A

The front end wall of the first superstructure on the freeboard deck (within a range of 0.1-0.7 L from the stern line)

B

The front end wall of the second level superstructure on the freeboard deck (within a range of 0.1-0.7 L from the stern line) and the first level superstructure

The rear and side walls of the building

C

The front end wall of the third level superstructure on the freeboard deck (within a range of 0.2-0.6 L from the stern line) and the second level superstructure

The rear and side walls of the building

D

The bulkheads above the fourth level superstructure and the rear and side walls of the third level superstructure on the freeboard deck

type

name

Specification number

AF

A-grade square corner door

AY

A-level rounded door

BF

B-grade square corner door

BY

B-grade rounded door

CF

C-level square corner door

CY

C-grade rounded door

DF

D-level square corner door

DY

D-grade rounded door

Door panel thickness t

Barrier size h ₁ × t ₁

Door frame height h

Door frame material

8

50×6

32

L100 × 63 × 10 cutting

6

32×4

34

4

36

L100 × 63 × 8 cutting