Design An Implementation Of A Computer Based Seaport Billing System

Project and Seminar Material for Computer Science and Computer Engineering

Design An Implementation Of A Computer Based Seaport Billing System


Handling of cargo has been a circular task all these while in our various ports. And Nigerian Ports Authority (N.P.A) being an organization responsible for seeing to the affairs of our various sea ports in Nigeria, have worked endlessly to make sure cargoes are properly handled without much complain of damage or misplacement. To ease the operation of cargo handling in our sea ports, researcher took up this study by critically understanding the work, procedure involved, analysis of the various steps and at the same time detecting problem in the present system and designing a new system that has solution to the problem of the existing system. The new design is computerized and is subject to modification at any given time. It also have this interaction feature and accurate in it’s output.

Table of Content

  • Title page
  • Certification
  • Dedication
  • Acknowledgment
  • Abstract
  • Table of contents

Chapter One


  • 1.1 Statement of problem
  • 1.2 Aims and objective
  • 1.3 Purpose of study
  • 1.4 Importance of study
  • 1.5 Scope of the study
  • 1.6 Limitation of the study
  • 1.7 Definition of terms

Chapter Two

Literature Review

Chapter Three

Description and Analysis of the Existing System

  • 3.1 Method of Data collection
  • 3.2 Organization structure
  • 3.3 Objective of the existing system
  • 3.4 Input process, output analysis
  • 3.5 Information flow diagram
  • 3.6 Problem of existing system
  • 3.7 Justification of the new system

Chapter Four

The new system design

  • 4.1 Output specification and design
  • 4.2 Input specification and design
  • 4.3 File design
  • 4.4 Procedure chart
  • 4.5 System flow chart
  • 4.6 System requirement

Chapter Five


  • 5.1 Program design
  • 5.2 Program flow chart
  • 5.3 Pseudo code
  • 5.4 Source program
  • 5.5 Test run

Chapter Six


  • 6.1 Choice of language
  • 6.2 Loading the program
  • 6.3 Program description

Chapter Seven

Conclusion and Recommendation

  • 7.1 Conclusion
  • 7.2 Recommendation
  • Reference

Chapter One


Nigeria Ports Authority is a government owned organization under the supervision of the federal Ministry of transport with responsibility of providing specific ports and labor services for the country’s meantime industry.

One of their numerous duties and major functions is the provision of Cargo Handling Quays facilities. Right from the inception of this company, the billing system has been manually processed. The port complex is in the early stage of computerization and the manual method of preparing customers’ bills are delayed.

A computer-based billing system is necessary for handling and preparing of accurate bills for customers. The new system will facilitate the prompt preparation of bills, easy retrieval of information, security to vital information and resource sharing among the billing department.

1.1 Background of Study

Once Port complex is located near Port Harcourt, Rivers State of Nigeria, the port is a natural port and was established about twenty years ago, firstly with the construction and commissioning of the Federal Lighter Terminal (FLT) in 1982 and later the Federal Ocean Terminal (FOT) in 1996.

These two terminals handle lighter (smaller) vessels and ocean-going vessels respectively. The average draught of FLT is about 5.7m while that of FOT is about 13.0m being the cheapest in the West and Central African sub-region. In this regard, the FOT is envisaged to be attiacting more cargo ship and traffic not only as a transit but also as a transshipment center in the sub-region. It however did not have any mechanical handling equipment for billing.

The billing system is presently handling manually by the marketing department of this port. The marketing department of the port took over the function of revenue billing from the traffic department in the 80’s. Their main function is to raise customer’s bills of all statutory charges against port users for the services rendered to them. These services includes Rental period at the number of days the consignment in within the port vicinity, NPA shore handling, transfer service, documentation, terminal delivery value added tax (VAT) and miscellaneous.

The role at which the bills are prepared with the increasing number of customer is insignificant. There are procedural ways in which these bills are being prepared. They are the provisional bills of vessels, the final bills of vessels and the miscellaneous bills. A staff has to raise as many bills as the number of the customer increases: more importantly, delays bring extra cost on the importer, and this makes the importer feel disappointed when they come to collect their raised bills.

Hence, a thorough investigation and analysis of the manual billing method enables me to gain understanding on the true nature of their problems and design a computerized seaport billing system that would bring solutions to the problem inherent.

1.2 Statement of Problem

History has it that the billing system in Nigeria Port Authority, one port has been plagues by several factors based on the current manual process by the use of the Draft import Debit and import Debit Note, these factors includes:

  1. Fills and records are not properly kept
  2. Errors are easily made and hardly detected
  3. A lot of time is wasted to prepare bills
  4. Information is not well documented
  5. Security of files or document is not granted.

1.3 Purpose of Study

The main aim of this study is to computerize Nigeria Ports Authority, Onne Port billing system in order to improve their transaction rate of services to their various customers.

1.4 Objective of the Study

The primary aim of this project research is to develop a computer-based seaport billing system that will handle the bills raised for various customers specifically in NPA, Onne Port. A computer –based system can be ‘batched’ or ‘interactive’. A batch processing system is one where transactions are accumulated into batches of suitable sizes, then each batch is sorted and processed as a simple unit. Batch processing has a degree of delay. Interactive systems are those which allow the user to input data in response to the information displayed on the screen.

This project is concerned with only ever, the researcher touched all parts of system design that will enhance a computer based billing system in NPA.

1.5 Limitation of the Study

During the course of this project work, the researcher batted with time and money constraint which nearly affected the progress of the work. Despite all odds, the researcher was able to produce a defendable work.

1.6 Significant of the Study

The need for a study of this nature can not be over emphasized. It is expected that with the designed system, one can realize some important effects of the computerized billing system. Some of the effects are :-

  1. The chances of frauds of any kind will be drastically reduced as well as errors on customer’s bill.
  2. The new system saves time and facilitates the prompt raising of bills as delay brings on extra cost to customers.
  3. The information flow is well maintained and it enhances the top management decision making.
  4. The new system ensures ease of processing and hence ensures faster processing of output on customers waiting to collect their personal property other than animals.

1.7 Definition of Terms

1. Consignment:

The same as the container of goods.

2. Consignee:

The same as importer of the container.

3. Groupage:

When two or more importers come together to improve one or more containers.

4. Harbour:

This is a safe place where ships can be to load or unload.

5. Hardware:

Is all the physical devices around the computer.

6. Interactive Processing:

A process where by the users communicates directly with the computer.

7. Port:

It means the commercial area of the harbor at the part of the harbor used for loading and in loading of goods.

8. Quats:

A stone or metal plate form in a harbor where boats/ships come in to load.

9. Software:

All the programs in the computer.

10. System:

This is a set of interrelated elements working together to form a unit to get some output.

11. System Flowchart:

This is a diagrammatic representation of logical flow of development of a system through different stages or processes around the computer and its various task.

12. Tariff:

Tax on a particular class of imported goods.

13. Transfer Charge:

The money paid for the services rendered by N.P.A in transferring the consignment from the ship to the port.

14. VAT:

Value Added Tax-tax on the value of a product at each stage of manufacture and marketing.

Chapter Seven

Conclusion and Recommendation

7.1 Conclusion

Cargo handling is the major responsibility of our Nigerian Ports Authority.

It is one of their major source of revenue generation and it’s also give a clearer picture of the managerial force on the Authority before the public as a whole Neither the shipping nor arrival of cargoes is the problem, but what is most important is the way cargoes are handled such that to remain safe and intact and the appropriate date paid for the cargo without much stress during clearing process.

This has been the duty of the Nigeria Port Authority.

Recently, there is this rapid growth and high demand, with our Port and the current system in use by the management of Nigerian Port Authority could no longer work up to expectation thereby leading to increase in crime dubious acts within the ports.

With the introduction of the new computerized system it has most solution to the existing problem in the system. The new system is automatic in processing, easy to use, very accurate, timely and comprehensive during report generation.

7.2 Recommendation

The researcher do recommend that the management and staff of the Nigerian port authority should try and implement this work soonest. So that it would improve their work flow. The management of Nigeria Port Authority should also endeavor to see that their workers are computer literate.

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