Part A SHIP STABILITY FOR THE OFFICER OF THE WATCH
Chapter 1 Basic Principles
1.1 Introduction
1.2 Density, mass and volume
1.3 Laws of flotation
1.4 Simple box-shaped vessel calculations
1.5 The marine hydrometer
1.6 Terms relating to ship length
1.7 Draught marks and reading the draught
Chapter 2 Hydrostatic Data – Draught, Displacement and Tonnes per Centimetre Immersion (TPC)
2.1 Introduction
2.2 Hydrostatic particulars
2.3 Tonnes per centimetre immersion (TPC)
2.3.4 Simple load/discharge problems
Chapter 3 Design Coefficients
3.1 Introduction
3.2 Coefficient of fineness of the waterplane area (Cw)
3.3 Block coefficient (Cb)
3.4 Amidships area coefficient (Cm)
3.5 Longitudinal prismatic coefficient (Cp)
Chapter 4 Load Lines
4.1 Introduction
4.2 Geographical and seasonal load line zones
4.3 Load line dimensions
4.4 Water density allowances
4.5 Load line calculations
4.6 Load line certificate and notification of draughts
4.7 Deadweight (DWT) scale
Chapter 5 Centre of Gravity (G) and Centre of Buoyancy (B)
5.1 Introduction
5.2 Centre of gravity (G)
5.3 Multiple weight problems
5.4 Centre of buoyancy (B)
Chapter 6 An Introduction to Transverse Statical Stability
6.1 Introduction
6.2 Transverse statical stability defined
6.3 Righting lever (GZ)
6.4 Moment of statical stability (righting moment)
6.5 Initial transverse metacentre (M)
6.6 Initial metacentric height (GM)
Chapter 7 Conditions of Stability
7.1 Introduction
7.2 Stable condition
7.3 Neutral condition
7.4 Unstable condition and angle of loll
Chapter 8 Initial Transverse Metacentre (M)
8.1 Introduction
8.2 The initial transverse metacentre explained
8.3 Metacentric diagrams
8.4 Factors affecting KM
Chapter 9 Free Surface Effect
9.1 Introduction
9.2 Free surface effect and the loss of transverse statical stability
9.3 Calculating free surface effect
9.4 Representation of free surface data in tank sounding/ullage tables
9.5 Factors influencing free surface effect
9.6 Important points to note regarding free surface moments
Chapter 10 The Curve of Statical Stability (GZ Curve)
10.1 Introduction
10.2 Producing a curve of statical stability
10.3 Basic information available from the curve of statical stability
10.4 Curves of statical stability for stiff and tender ships
Chapter 11 List
11.1 Introduction
11.2 Single weight problems and the ‘list triangle’
11.3 Multiple weight problems
11.4 Loading weights about the centreline to complete upright
11.5 List and free surface effect
Chapter 12 Curves of Statical Stability for Different Conditions: Correcting List and Loll Situations
12.1 Introduction
12.2 The curve of statical stability for a ship in a stable condition
12.3 The curve of statical stability for a ship in a neutral condition
12.4 The curve of statical stability for a ship in an unstable condition (angle of loll)
12.5 The curve of statical stability for a listed ship
12.6 There are two sides to everything - including GZ curves
12.7 A combination of stability conditions
12.8 Causes of loll and list during a voyage
12.9 Procedures for correcting loll and list
12.10 Correcting BOTH a loll and list situation
12.11 Summary
Chapter 13 Suspended Weights
13.1 Introduction
13.2 The effect on KG of lifting a weight using ship’s gear
13.3 Loading a weight using ship’s gear
13.4 To calculate the maximum permissible KG/minimum permissible GM required prior to loading or discharging a weight to ensure that a certain list limit is not exceeded
13.5 Problems involving two heavy lift weights
Chapter 14 Trim
14.1 Introduction
14.2 Trim and change of trim
14.3 Moments to change trim by one centimetre (MCTC)
14.4 Longitudinal centre of flotation (LCF or F)
14.5 Calculating the final draughts when a weight is shifted
14.6 Trim data
14.7 True mean draught (TMD). Calculating the displacement when trimmed
14.8 Principles of trim calculations using hydrostatic data
14.9 Practical trim problems
14.10 Examination style problems involving trim
Part B SHIP CONSTRUCTION, STRENGTH AND STRESSES
Chapter 15 Shipbuilding Materials
15.1 Classification Societies
15.2 Shipbuilding materials
15.3 Material testing
15.4 Fatigue
Chapter 16 Ship Construction Principles
16.1 Classification of stresses
16.2 Structural terminology
16.3 Discontinuities of strength (notches)
16.4 Hull plate thicknesses
16.5 Transverse watertight bulkheads
16.6 Double bottom structure
Chapter 17 Ship Stresses and Structural Strength Compensation
17.1 Longitudinal Stresses
17.2 Transverse stresses
17.3 Local stresses and structural compensation
17.4 Torsional stresses and container ships
Chapter 18 Shear Force and Bending Moment Calculations
18.1 Introduction
18.2 Shear force and bending moment diagrams for box-shaped vessels
18.3 Stress loading programmes 284
18.4 Stress calculating programs − system requirements and data representation
Chapter 19 Large Yacht Construction
19.1 Introduction
19.2 Materials used in yacht construction
19.3 Framing systems
19.4 Mast and rigging stresses
Chapter 20 Corrosion Control
20.1 Introduction
20.2 Nature and forms of corrosion
20.3 Electrochemical nature of corrosion
20.4 Corrosion initiation
20.5 Cathodic corrosion prevention
20.6 Galvanic corrosion in the propeller region
20.7 Corrosion control by design
20.8 Paint systems 309
Part C SHIP STABILITY FOR MATES & MASTERS
Chapter 21 Change of Trim due to Change of Density and Harder Trim Problems
21.1 Introduction
21.2 Change of trim due to change of density
21.3 Trim problems when the ship is in different water densities
Chapter 22 Air Draughts
22.1 Introduction
22.2 Tidal heights - definitions
22.3 Air draught calculations
Chapter 23 Dry-Docking
23.1 Introduction
23.2 Sequence of events during dry-docking
23.3 Calculating the P force
23.4 Loss of stability when dry-docking
23.5 Typical dry-docking problems
23.6 Practical considerations during dry-docking
23.7 Preparations for dry-docking
Chapter 24 The Inclining Experiment
24.1 Introduction
24.2 Stability information to be provided to the Master
24.3 The inclining experiment explained
24.4 Preliminary preparations prior to conducting the inclining test
24.5 Precautions to be taken by the surveyor to ensure accuracy of the calculation
24.6 Example inclining test calculation
24.7 The occasions when an inclining experiment and lightweight survey must be conducted
24.8 To determine whether a ship should be re-inclined
Chapter 25 The Wall-sided Formula including Calculating the Angle of Loll
25.1 Introduction
25.2 The distinction between stability at small and large angles of heel
25.3 Angle of loll
25.4 Calculating the angle of list caused by a transverse shift of weight when GM is zero
Chapter 26 Factors Affecting the Shape of the Curve of Statical Stability
26.1 Introduction
26.2 The effects of a change of KG
26.3 The effects of a transverse shift of weight (list)
26.4 The effects of a change in freeboard
26.5 Comparison of stability of a ship in the ballast and fully loaded conditions
26.6 The effects of beam
26.7 The effects of stern trim
Chapter 27 Assessing Compliance of a Ship’s Loaded Condition with MCA and IMO Stability Criteria
27.1 Introduction
27.2 Simpson’s Rules for calculating areas under curves
27.3 Dynamical stability − the relevance of the area under the curve of statical stability
27.4 Minimum intact stability criteria for cargo ships
27.5 Assessing compliance of a ship’s loaded condition
27.6 The relationship between GM and the initial slope of the curve of statical stability
27.7 The unreliability in practice of using stability curve data for assessing a ship’s stability at sea
Chapter 28 Bulk Cargoes and the Carriage of Grain
28.1 Introduction
28.2 The effect of a shift of solid bulk cargo on the curve of statical stability
28.3 The effect on the curve of statical stability of a shift of solid bulk cargo
28.4 Assumptions of the International Grain Code with respect to anticipated shift of grain cargo
28.5 Grain loading information to be supplied
28.6 Intact stability criteria for ships carrying grain issued with a Document of Authorisation
28.7 Derivation of the heeling arm
28.8 Compensation for the vertical component of shift of grain
28.9 Procedure to verify compliance of a ship’s loaded condition with the International Grain Code criteria
28.10 Methods of improving stability when the minimum International Grain Code criteria is not satisfied
28.11 Optional stability requirements to be met by ships without documents of authorisation carrying partial cargoes of bulk grain
28.12 Simplified stability for ships carrying grain built on or after 1st January 1994 (on or after the date that the IMO International Grain Code takes effect)
28.13 Further example of representation of grain data
Chapter 29 Calculation and Assignment of Freeboard
29.1 Introduction
29.2 Definitions
29.3 Ship’s side markings
29.4 Conditions of assignment of freeboard applicable to all ships
29.5 Type ‘A’ and type ‘B’ ships 488
29.6 Special conditions of assignment for type ‘A’ ships
(Annex I: Regulation 26 (ICLL))
29.7 Freeboard tables (Annex I: Regulation 28 (ICLL))
29.8 The distinction between type ‘A’ ships and type ‘B’ ships explained
29.9 B-60 and B-100 tabular freeboards
29.10 Calculation procedure for the assignment of a type ‘A’ freeboard
29.11 Example load line assignment calculation for a Type ‘A’ ship
29.12 Load line certification and surveys
Chapter 30 Stability Aspects of Timber Deck Cargoes
30.1 Introduction
30.2 Characteristics of timber cargoes
30.3 Timber load lines
30.4 Special requirements for ships assigned timber freeboards
30.5 Maritime and Coastguard Agency (MCA) UK criteria
30.6 IMO stability criteria for ships carrying timber deck cargoes
30.7 Additional considerations
Chapter 31 Wind Heeling
31.1 Introduction
31.2 Wind heeling considerations for container ships (MCA)
31.3 Wind heeling considerations for all ships (IMO)
Chapter 32 Icing
32.1 Introduction
32.2 MCA icing guidance applicable to all ships
32.3 IMO icing considerations
32.4 Causes of ice accumulation
32.5 Rates of ice accumulation
32.6 SOLAS Chapter V – Safety of Navigation
Chapter 33 Draught Surveys
33.1 Introduction
33.2 The draught survey calculation procedure
33.3 Worked examples
Chapter 34 Heel when Turning
34.1 Introduction
34.2 Terms relating to a ship’s turning circle
34.3 Forces that cause the ship to heel during turning
34.4 Calculating the angle of heel when turning
34.5 Calculating the maximum draught (increase in draught) due to list/heel
Chapter 35 Bilging
35.1 Introduction
35.2 The effects of bilging an empty amidships compartment
35.3 The effects of bilging an empty amidships compartment with a watertight flat (double bottom)
35.4 Bilging a compartment when permeability is less than 100%
35.5 Calculating the draughts when an end compartment becomes bilged
35.6 Calculating the list when an amidships compartment is bilged – permeability 100%
35.7 Review of principles of bilging
Chapter 36 Rolling and Dangerous Sea Wave Phenomena
36.1 Introduction
36.2 Still water rolling
36.3 Rolling in waves
36.4 Wave characteristics, resonance and period of encounter (TE)
36.5 Dangerous wave phenomena
36.6 Parametric rolling
36.7 Significantly larger waves
36.8 Methods adopted to minimise a ship’s rolling motion at sea
Chapter 37 Specific Ship Type Construction and Stability Characteristics
37.1 Introduction
37.2 Offshore supply vessels
37.3 Double hull tankers
37.4 Bulk carriers
37.5 Enhanced surveys of tankers and bulk carriers
37.6 Passenger ship subdivision and damaged stability requirements
37.7 RoRo passenger and cargo ships
37.8 Other ship types for which special considerations and alternative stability criteria apply
Chapter 38 Voyage Planning Calculations
38.1 Introduction
38.2 Voyage planning — worked examples
Chapter 39 Ship Load Calculations
39.1 Introduction
39.2 Worked examples
Appendix
Ship Stability Data Sheets
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