Naval Architecture & Ship Construction (NASC)

• Naval Architecture

• Basic Terms and Hydrostatics

• Principal Dimensions

• Density and Relative Density

• Wetted Surface Area

• Tonne per Centimetre (TPC)

• WPA and Prismatic Coefficients

• Block Coefficient

• Form Calculations

• Coefficient of Forms

• Bonjean Curves

• Body Plan

• Application of Simpson's Rules to Areas

• Application of Simpson's rule Moments of Areas

• Calculation of area and the 2nd moment

• Application of Simpson's rule Volumes and Moments of Volumes

• Application of the Five-Eight rule

• Interactive Exercise on Simpson's rules

• Simpson's First Rule

• Application of Simpson's First Rule

• Simpson's Second Rule

• Simpson's Third Rule

• Trapezoidal Rule

• Structural Strength

• Hydrostatic Pressure

• Load on an Immersed Plane

• Center of Pressure

• Total Pressure on Vertical Bulkhead of Various Shapes

• Diagrams of Shear Force and Bending Moment

• Longitudinal Bending Moment in Still Water and Wave Induced

• Draught and Buoyancy

• Meaning of buoyancy

• Law of Floatation

• Loadline

• Fresh water Allowance - Calculation of TPC, FWA and DWA in Various Densities

• Movement of Centre of Gravity

• Centre of Gravity

• Metacentre

• Righting Lever

• Equilibrium

• Shift of Centre of Gravity Due to Addition or Removal of Mass

• Shift of single weights

• Shift of several weights

• Shift of several weights

• Inclining Test

• Procedure to determine Light ship KG of the ship by Inclining test

• Precautions to be taken while carrying out Inclining test

• Calculation of Initial KG given Inclining Test data

• Transverse Stability

• Effects of Free liquid surface and sub-division of tanks

• Dangers due to Water Accumulation During Fire-Fighting

• Practical Requirements to ensure stability at sea

• Management of Water and Fuel Tanks

• Filling and Emptying Tanks at Sea

• Stability at small angles of heel

• Stability (at 'small' and 'large' angles of heel)

• Rolling Period

• Angle of Loll

• Loss of stability and Correcting an angle of loll

• List caused by shift of COG off centre-line of the ship due to loading, discharging and shifting of weights

• Shift of Centre of Gravity (COG) of the ship due to loading, discharging and shifting of weights

• Equilibrium - stable, unstable and neutral

• Longitudinal Stability

• Trim

• Problem Solving

• Trim Problems Type A

• Trim Problems Type B

• Changes due to alteration in density of sea water

• Hydrostatic curves

• Hydrostatic Tables

• Hydrostatic Draft

• Calculation of BM and KM; KM Curves

• Damage Stability

• Introduction

• Effect of Damage

• Damage Stability Criteria

• Intact Stability Requirements

• Damage Stability Basics

• SOLAS General Requirements

• Damage Control Plans

• Specialized Vessels

• Other Statutory Requirements

• Post-damage Scenario

• Corrective Action

• Salvage

• Scope of Stability Verification

• Bilging of Compartments

• Effect of Bilging

• List due to Bilging

• Permeability

• Flooding of Compartments

• Margin Line

• Permeability of a space and cargo

• Loss of buoyancy of a bilged compartment = Volume regained

• How areas of intact water plane is reduced

• Effect of flooding on transverse stability

• Calculation of Stability after bilging of mid ship compartment (with or without permeability)

• Calculation of List of a ship after bilging of midship side compartments

• Effect of Flooding on trim

• Effect of flooding on trim (2)

• Calculate draft in damaged condition

• Calculation of Stability of a ship after bilging of end compartment (with or without permeability)

• Downloads

• Non-statutory Requirements

• External Information

• References

• External Links

• Conclusion

• PLANS

• Dry-docking and Grounding

• Dry docking of a vessel

• Declivity of docks

• Weight on blocks as ship touches blocks

• Critical period during docking

• Why GM must remain positive until the critical instant

• Upthrust from Blocks

• Vessel taking the blocks at any point on the ships length

• Floating Dry Dock

• Minimum ships GM to ensure stability until the blocks

• Maximum trim to ensure ship remains stable

• Virtual loss of GM and Drafts after water level has dropped by a stated amount

• Draft on Taking the Blocks overall

• Loss in GM for fall in water level after taking the blocks overall

• Grounding of Ship

• Effects of Tides

• Virtual loss in GM and drafts of a ship after tide has fallen by a stated amount

• Point of Grounding Calculations

• Dynamical Stability

• Dynamical Stability at stated angle of heel represents potential energy of the ship

• Potential energy is used in overcoming resistance to rolling and in producing rotational energy

• Dynamical stability x Area under GZ Curve

• Shear force bending moments and torsional stress

• Shear force, bending moment, Load Difference between buoyancy and weight

• How Wave profile effects SF and BM

• Wave and cargo induced Torsional stress

• Maximum permissible Torsional moments

• Calculation of Shear force and bending moment, at stated stations (simply supported uniform beam with added weights or box shaped vessels

• Drawing of shear force and bending moment curves

• Resistance and Propulsion

• Powers and Losses

• Relations - Power, Displacement, Speed and Consumption

• Various Type of Resistances

• Frictional Resistance

• Residuary Resistance

• The Law of Corresponding Speeds

• Froude's Law of Comparison

• Elementary treatment of propeller and simple problems on Pitch, pitch ratio, apparent slip, wake velocity, Thrust and Power

• Geometry and Types of Propellers

• Drag and Lift of Propeller

• Apparent Slip

• Measurement of Pitch

• Flow Conditions Around the Propeller

• Sea Trials and Interpretation of Data Recorded

• Effects of Fouling

• Calculations involving Propeller (Wake Factor, Effective Power, Delivered Power, Propulsive and Quasi Propulsive coefficient)

• Calculation Involving Propeller Efficiency

• Computation of thrust and Power

• Propeller Cavitation

• Bollard Pull and its Calculations

• Stability and Bollard Pull for Tugs

• Ducted Propeller, Voith Schneider Propeller, Water Jet Propulsion

• Voith-Schneider System on Tugs

• Azimuthing Propulsion Drives

• Rudders and Stresses on Rudders

• Rudders and Damage Control

• Heel when Turning Effect of Centrifugal Force and of Force on Rudder

• Vibration in Ships

• Recommendation on Intact stability for Passenger and Cargo ships

• Precautions against capsizing

• Intact and Damage Stability Criteria for Passenger and Cargo Ships

• Stability Information Available in Hydrostatic Tables

• Severe Wind and Weather Heeling Criteria

• Heel while turning

• Ship Construction

• Principles of Ship Construction and Factors Affecting Trim and Stability

• Measures necessary to Preserve Trim and Stability

• Ship Terminology

• General Cargo Ships

• Containers

• Oil Tankers

• Breakbulk or Multipurpose Ships

• Ro-Ro ships

• Gas Carriers

• Ship Terminology (2)

• Bulk Carrier

• Ship Dynamics, Hydrostatics, Displacement, TPC, Coefficients of Form, Areas and Volumes of ship shapes

• Displacement

• Tonne per Centimetre (TPC) (2)

• Coefficient of Forms (2)

• Calculation of area and the 2nd moment (2)

• Volume and Moments

• Center of Gravity, Transverse Stability

• Transverse Stability of Ships

• Trim, Stability during dry docking and during grounding

• Forces on Ship Under Various Conditions, Including the Effect of Panting and Pounding

• Static Forces

• dynamic forces

• Stresses caused by localised loading

• Structural arrangement forward and aft to withstand panting and pounding

• fore end Arrangement

• Aft end Arrangement

• Strengthening hatch opening of Containerships

• Conclusion (2)

• Structural Strength Elements

• DEFINITION OF SHIPBUILDING TERMS IN GENERAL USE

• Types of Frames

• Definitions with Interactives for common terms and camber, rise of floor, flare, sheer, rake

• GENERAL KNOWLEDGE DESCRIPTIONS AND SKETCHES OF STRUCTURAL MEMBERS IN ORDINARY TOES OF STEEL SHIPS

• Hull Structure

• KEEL

• FLOORS

• Bulk Carrier Double Bottom Construction

• Bulk Carrier Double Bottom Construction (2)

• Standard Steel Sections

• Manufacture and Application of Standard Steel Structural Elements

• Proper names of the various part

• Structural Strength Elements (2)

• Bulkheads

• Regulations regarding the minimum number of bulkheads and their location

• Watertight Bulkhead

• Watertight Bulkheads

• Weather tight bulkheads

• Oil tight Bulkhead

• Corrugated Bulkhead

• Constructions of watertight bulk heads and its attachments to sides and tank top

• Purpose of wash bulkheads

• Use of cross ties in tankers

• Procedure for testing of bulkheads

• Racking stresses and transverse bulkheads

• Comparison between Cofferdam, flat plate and corrugated bulkheads

• Watertight and weather-tight doors

• Watertight Doors

• Watertight door

• WT doors, mechanisms, indicators and all associated valves must be inspected once in a week

• All WT doors in main transverse bulkhead must be operated daily

• Operation of WT Doors

• Types and Maintenance of WT Doors

• Drills for operating WT doors, side scuttles, valves and closing mechanism must be held weekly

• Records of drills and inspections to be entered in log book with regard to defects

• Categories of Watertight Doors

• Rules regarding the number of openings on passenger ships and watertight doors

• Difference between water tight and weather tight doors

• Arrangement of Power operated sliding WT door

• Hinged WT door and means of securing

• Ramp door of Ro-Ro ships

• Ship side doors

• Bottom Structure of Bulk Carriers

• Longitudinally framed hull (tanker)

• Longitudinal framing (Dry Cargo)

• Machinery Seats

• Bulbous bow

• Stern Frame

• Structural Arrangement Forward

• Panting and Pounding Arrangements

• Construction Drawings

• Bow construction

• Deck Construction

• Double Bottom Construction

• Engine Room Construction

• Stern construction

• Layouts

• Hatches

• Water Tightness to the Hatches

• Anchors and Cables

• Fittings

• Openings in Oil Tankers

• Chain Lockers and Attachment of Cables

• Bilge Piping System

• Ballast System

• Sounding and Air Pipes

• Rudders, Propellers and Thrusters

• Rudder and Propeller Features

• Controllable Pitch Propeller

• PROPELLER PLAN

• Bow-Thrusters

• Bow thruster-Instruction and Drawing

• Stern Tube Arrangement

• Fore Peak Tanks

• Aft Peak Tanks

• Double Bottoms

• Deep Tank

• Compartmental Drainage and Pumping

• Levelling of Damaged Compartments

• ARRANGEMENTS FOR THE CARRIAGE OF DANGEROUS GOODS IN BULK

• Introduction (2)

• Learning Objectives

• Fire water supply

• Fixed fire extinguishing system

• Electrical Installations

• Fire detection and Fire alarm system

• Ventilation of cargo spaces

• Separate bilge pumping system and drainage arrangements for cargo spaces

• Personal protection system and Medical equipment

• Portable Fire Extinguishers

• Insulation of Machinery space boundaries separation of Cargo spaces

• Self Unloading System for bulk cargo

• Special requirements

• VENTILATION ARRANGEMENTS

• Pump room in Tankers

• Ventilation of Holds

• Oil fuel tanks

• Welding

• Gas or Oxy fuel welding

• Manual Electric arc welding

• Automatic welding process

• Electro -Slag

• Electro-Gas

• TIG

• MIG

• SAW

• Resistance Welding

• Butt, Lap and Fillet Welds

• Preparation of plate edge for welding

• Use of tack welding

• Weld faults - lack of fusion, penetration, reinforcement, root penetration, slag incursion, porosity, overlap, undercut

• Various Test for welds

• Purpose of flux

• Single pass, multi pass and Back run

• Full penetration fillet weld

• Distortion due to welding and measures to minimise them

• Classification societies requires tests on weld materials and electrodes before approval

• Midships section of ships (Sketching and labelling)

• General Cargo Ships (2)

• Cellular Container Ship

• Hatch Cover Less Cellular Container Vessel

• Bulk Carrier (2)

• Double Hull Oil Tanker

• Chemical Tanker

• LPG Carrier

• OBO Vessel

• Ro-Ro Vessel

• Use of High Tensile Steel and Aluminum

• High Tensile Steel and Associated Hazards

• Advantages of use of aluminum alloys

• Preservation of Strength of Aluminium super structure

• Precautions against corrosion where Aluminium is used

• Structural Fire integrity and protection

• Types of bulkheads

• Standard Fire Test

• Tanker Venting Systems

• FIRE CONTROL PLAN

• Dry Docking

• Learning Objectives (2)

• What the Shipping Companies say

• Drydocking Problems

• Drydocking Activities

• Before Drydocking

• Why drydock

• Identify Modifications Required as per regulations

• Compile drydock defect list

• Carry Out Pre drydocking Inspection

• Prepare Drydock Specifications

• Arrange Spares and Stores

• Prepare Drydock Budget

• Prepare Request for Quotation

• Select Shipyard

• Negotiating with Shipyards

• During Drydocking

• Monitor Shipyard Work

• Common Drydock Jobs

• Seek Daily Updates

• Comply with Safety Procedures

• Monitor budget

• Monitor Unplanned Activities

• Accident repair

• After Drydocking

• Compile Survey and Inspection Reports

• Conduct sea trial

• Prepare Drydocking Report

• Approve Invoices for Payment

• Resources

• Extra Reference Material

• Self Assessment

• Design Features of Ships for General and Specialised Trade

• Joining Ship Sections Afloat

• Specialist Vessels

• Conventional Cargo Carriers

• Trends and Challenges of Megaships

• Life Saving Equipment Operation and Handling Gear for Lifeboats and Life Rafts

• Survival Craft and Rescue Boat

• Life Boat Engines and Accessories

• Handling gears for Lifeboats and Life Rafts

• Ship measurement and Classification

• Introduction Classification Societies

• IACS

• Members of the IACS

• Objectives of ship classification

• Terminologies Related to Surveys

• Assigning of and maintaining of class

• Recognized Organizations

• Technical Requirements of Classification Societies

• Implementation of technical requirements of the IACS

• Types of periodic surveys

• Non Periodical Surveys

• Types of Statutory Surveys

• Statutory Surveys and Certifications

• Suspension or withdrawal of Class

• Repairs to Structural Damage

• Common Terms in Measurement of Steel Ships

• Common terms used in tonnage measurement e.g. gross tonnage net tonnage.

• LOAD LINES, DECK LINE, FREEBOARD, PLIMSOL LINE

• Ship construction-structure

• Panting and Pounding Arrangements (2)

• Stern Frame (2)

• Prefabrication

• Structural Arrangements in Forward and Aft for Panting and Pounding

• Naval Architecture