Work study is one of the most practical productivity tools in production management. It improves productivity in two ways:
By applying work study, organizations reduce waste, reduce fatigue, improve safety, and lower unit cost—without major investment in new machines.
Work study is a systematic examination of work to improve the effective use of resources and to set performance standards.
Objectives:
Method study is the systematic recording and critical examination of existing and proposed ways of doing work to develop and apply easier and more effective methods.
Common steps (SREDIM):
Common tools:
These tools help identify waste such as extra movement, delays and rework.
Motion economy aims to perform work with minimum effort and maximum efficiency.
Basic principles (examples):
Work measurement determines the time required for a qualified worker to complete a task at a defined level of performance.
Techniques include:
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Production management means planning, organising, directing and controlling of production activities. Production management deals with converting raw materials into finished goods or products. It brings together the 6M's i.e. men, money, machines, materials, methods and markets to satisfy the wants of the people.
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Work study is one of the most practical productivity tools in production management. It improves productivity in two ways:
By applying work study, organizations reduce waste, reduce fatigue, improve safety, and lower unit cost—without major investment in new machines.
Work study is a systematic examination of work to improve the effective use of resources and to set performance standards.
Objectives:
Method study is the systematic recording and critical examination of existing and proposed ways of doing work to develop and apply easier and more effective methods.
Common steps (SREDIM):
Common tools:
These tools help identify waste such as extra movement, delays and rework.
Motion economy aims to perform work with minimum effort and maximum efficiency.
Basic principles (examples):
Work measurement determines the time required for a qualified worker to complete a task at a defined level of performance.
Techniques include:
Steps (basic):
Key terms:
If:
If allowances = 15%:
This standard time is used for planning and incentives.
Allowances are added because a worker cannot work continuously at normal pace without breaks and delays.
Types:
Work study is used for:
Work study
├─ Method study (SREDIM) → better method
└─ Work measurement (time study etc.) → standard time
Normal time = Observed time × Rating factor
Standard time = Normal time × (1 + Allowance%)
From this topic
Objectives of work study (any four):
Thus, work study improves both method and performance standards for efficient production.
SREDIM steps of method study:
Hence, SREDIM provides a systematic approach to improve work methods.
Given:
Step 1: Normal time = 10 × 1.20 = 12 minutes
Step 2: Standard time = Normal time × (1 + allowance)
Mini table:
Conclusion: Standard time is used for production planning, costing and incentive schemes.