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12.2 Grain stability ................................. 335
12.2.1 Introduction .............................. 335
12.2.2 I.M.O. rule requirements ........................ 335
12.2.3 Basis of grain shift calculations .................... 336
12.3 Dredger stability ................................ 337
12.3.1 Different types of dredger ....................... 337
12.3.2 Statical stability of dredgers ...................... 338
12.3.3 Large angle stability .......................... 340
12.4 Damaged stability standards for reduced freeboard .............. 343
12.4.1 Ships with B-60 freeboard ....................... 343
12.4.2 Ships withB-loo freeboard ...................... 343
12.4.3 Condition after damage ........................ 343
12.5 Passenger ship damaged stability ....................... 346
12.5.1 Assumed extent of damage ...................... 346
12.5.2 Condition after damage ........................ 346
12.6 Constant displacement and added weight ................... 347
12.7 The stability of warships - general and intact stability ............ 349
12.7.1 General ................................ 349
12.7.2 Intact stability - the beam wind and rolling case ........... 349
12.7.3 Intact stability -three other considerations .............. 352
12.7.4 Intact stability in general ........................ 354
12.7.5 Intact stability - topside icing .................... 354
12.8 Warship damaged stability ........................... 355
12.9 Trim ...................................... 359
12.9.1 General discussion ........................... 359
12.9.2 Trim and stability booklets ....................... 359
12.9.3 Trim fully loaded ........................... 359
12.9.4 Ballast trim .............................. 360

Chapter 13 . Other Statutory Rules

13 .I Fire protection ................................. 363
13.1.1 Zones ................................. 363
13.1.2. A class divisions ............................ 363
13.1.3 Means of escape ............................ 364
13.1.4 Other fire rules ............................. 364
13.2 Lifesaving appliances ............................. 364
13.2.1 Passenger ship requirements ...................... 364
13.2.2 Cargo ship requirements ........................ 365
13.3 MARPOL - marine pollution rules ...................... 365
13.3.1 General discussion ........................... 365
1 3.3.2 Rules for oil tankers .......................... 365
13.3.3 Two types of water ballast ....................... 365
13.3.4 Crude oil washing ........................... 366