1-CHAP-1-TO- 9 - WELCOME TO THE COURSE WORK STUDY(IE 341...

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WELCOME TO THE COURSE WORK STUDY (IE 341) OFFERED BY SAYED ALIUL HASAN RIZVI, PhD PROFESSOR DEPT OF INDUSTRIAL ENGINEERING KING ABDULAZIZ UNIVERSITY, JEDDAH
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INTRODUCTION With increasing complexities of the technological world,need to simplify the work system has been increasing day by day. Work study is an area of knowledge that addresses the problem of work simplification with the basic objectives of 1. PRODUCTIVITY ENHANCEMENT, and 2. HUMAN COMFORT & SAFETY
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WORK STYDY” HAS MANY OTHER NAMES FOR EXAMPLE METHODS ENGINEERING, WORK SCIENCE, WORK DESIGN, JOB ESIGN WORK METHODS DESIGN &WORK MEASUREMENT MOTION &TIME STUDY Original names were: Motion study,Time Study & then, Motion & Time Study
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DEFINITION It is the systematic study of work systems with the purposes of 1. Developing the preferred system and Method ( with lowest cost) 2. Standardizing this system and method 3. Determining standard time for the task 4. Assisting in training the worker in the preferred Method
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EXPLANATION Above stated definition has FOUR parts . However, the TWO most important for WORK STUDY are: 1.MOTION STUDY (or Work Methods Design) & 2. TIME STUDY (or Work Measurement)
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ILO DEFINITION It is the systematic examination of carrying on activities so as to improve the effective use of resources and to set standards of performance for the activities being carried out.
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LECTURE : 3-4 CHAPTER : 2 WORK STUDY & PRODUCTIVITY
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HUMAN’S BASIC NEEDS & PRODUCTIVITY In 1950 : world population was 2.5 b Now : it is of the order of 6.5 b 90% increase has occurred in developing nations.
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CONTD. Out of these people, more than 1 b are below poverty line , struggling for the BASIC NEEDS which are : food, clothing, shelter, security, health and essentials like water, sanitation etc.
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CONTD. For Improving the STANDARD OF LIVING, of its citizens, the concerned nation must raise its PRODUCTIVITY for economic growth. For any organization, its input-output system can be represented as follows: INPUT OUTPUT PROCESS
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CONTD. INPUTS may be in the form of different M’s: man, material, machine, method, management, market, message ( i.e. information), moment (i.e. time ) OUTPUT may be a product or service. PRODUCTIVITY may be defined as follows:
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MATHEMATICALLY: PRODUCTIVITY = [OUTPUT / INPUT] THUS: PRODUCTIVITY measures the extent to which a certain OUTPUT can be extracted FROM A GIVEN INPUT. It may be noted that PRODUCTION ( which is
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CONTD. WORK STUDY IS A TOOL OF PRODUCTIVITY ENHANCEMENT. It simplifies a job TO REDUCE UNNECESSARY OR EXCESS WORK, WASTEFUL USE OF RESOURCES and sets up STANDARD TIME for performing that job.
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CONTD. THIS IMPLIES THAT : THERE IS A DIRECT RELATIONSHIP BETWEEN WORK STUDY AND PRODUCTIVITY. THUS, BY APPLYING WS PRINCIPLES IF THE COST IS REDUCED BY 20%, THEN, WE CAN SAY THAT PRODUCTIVITY HAS GONE UP BY 20%.
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WORK CONTENT OF A JOB WORK CONTENT It means the amount of work contained in a given job/work/product/process.
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