SHIP CONSTRUCTION

By;

DR. Oladokun Sulaiman Olanrewaju

General Learning Objective:

At the end of the lesson , students will be able to :

• Mention accurately structural members of ship constructions

• Define Ship's terminology properly

• Explain the types of framing system typically applied for ship construction

Navigation

Week 1 – Ship construction overview Week 2 - ship construction processWeek 2 - Ship form and dimension Week 3 – The development of ship types Week 5 – Ship structureWeek 6 – ship outfitting Week 7 – assignment project

INTRODUCTIONShip construction overview

Introduction to the Ship Constructions and someaspects to be considered that affect on its design.

• SPECIFIC LEARNING OBJECTIVESAt the end of the topic student will be able to:

• Know the nature of ship building

• Know the importance of shipbuilding

• Know Ship building process and shipyard practice

• Know the ship building regulatory bodies

INTRODUCTION

• Occupy large areas and employ large number of people

• Multiple discipline that involve naval architecture, Mechanical engineer , marine engineer, structure , finance, and management

• Require diverse skill worker including welder, joiner, filters etc

• Tailor made complex job oriented which requires tremendous amount of planning and information exchange

• Require large capital investment

• Matured industry with establish technology

Nature of shipbuilding

Shipbuilding is important in economy of the nations for the following reason:

• To provide sea transport that is economic, reliable , safe and effective for transportation goods and passenger

• To reduce foreign decency on foreign ships

• To reduce payment to foreign ship for import and export

• In emergency situation

• Source of foreign exchange

IMPORTANCE OF SHIPBUILDING

Ship building process

• Owner requirements-

• Preliminary / concept design-

Dimension

Displacement

Stability

Propulsive characteristics and hull form

Detail general arrangement

Principal structural details

• Contract design

• Bidding and contracting

• Detail design

• planning and scheduling

• Construction

Ship types

Cargo ship

• Tanker

• Bulk carrier

• Passenger ships

• Fishing vessels

• Industrial vessels

• Combatant ships

• Others

• Location and access to water-graving dock, launching, ways or floating dry-dock

• Piers

• Shops to perform work related to :

• Steelmaking, cutting,

• And forming shop

• Steel assembly shop

Shipyard facilities

Surface preparation and coating

Pipe

Sheet metal

Machine

Electrical

Storage

Offices

• Administration

• Production

• Engineering

• Purchasing

• Quality assurance

• Project management

Shipyard organization

Trade skill • Air condition and

equipment mechanics

• Blaster

• Boiler maker

• Carpenter

• chipper / grinder

• Electrician- inside and outside

• Electronics

• Electroplating

• Insulator

• Joiner

• Laborer

Lofts man

Machinist- inside and outside

Molder

Ordinance equipment

mechanics

Painter

Patternmaker

Pipe filter, Pipe welder

Rigger/ crane operator

Sheet metal mechanics

Shipfittter

Shipwright

Tacker/ burner

Welder

Classification society and regulatory agencies

• Classification society and regulatory agency :

• ABS

• LLOYD

• BV

• GERMANISHER LLOYD

• RINA

• NIPON GAIGI NKOKAI

• DnV