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Transcript of Lean Techniques
'Perfection is not attainable. But if we chase perfection, we can catch excellence.'
1799 - Eli Whitney - Interchangeable parts - muskets
1803 - Isambard Brunel - created FLOW - Block-making for Royal Navy
1835 - Samuel Colt removed WASTE
1900 - Frank Gilbreth - PROCESS CHARTING
1910 - Henry Ford - CONTINUOUS FLOW
1924 - Walter Shewhart - PROCESS CONTROL CHART
1940 - James Edward Deming - QC Methods
1948 - Taichi Ohno - Start of redesign of Ford Manufacturing Systems
1950 - James Edward Deming - Lecture on QC to top 400 Japanese Industrialists
1950 - SMED
1960 - KANBAN
1973 - JIT
1980 - NBC - Documentary on 'If Japan can, Why Can't we'
1998 - John Krafcik - Coins LEAN - "Triumph of the Lean Production System,"
1991 - Roos, Daniel, Ph.D.; Womack, James P., Ph.D.; Jones, Daniel T.:
The Machine That Changed the World : The Story of Lean Production
DO MORE WITH LESS
The COKE Can
Give the customer what they want, when they want it at a price and time at which they want it
The core idea is to maximize customer value while minimizing waste
1. Muda associated with
2. Muda associated with
3. Muda associated with large
4. Muda associated with
5. Muda associated with
6. Single line:
7. Single line:
Inconsistency caused by Variability
Standardisation.... is the necessary foundation on which tomorrow's improvement will be based.
Regular work routine
Maintain first 3S
Sustain the 5S practice
Make it an organisation wide practice
Remember the Objective
Signboard or Billboard
Scheduling system for Lean and JIT
Value Stream Mapping
- Analysis of the events that take a product/service from start to
Significant part of Lean
WHO IS YOUR CUSTOMER?
Value as Perceived by the Customer
What is Lean?
TPS = 5%
Kanban = 15%
Waste Elimination = 80%
What Can You Do In Construction?
109 million tons of waste/year; (24% of total UK waste)
13% delivered and unused; 36 million tons to landfill/year
Nobody Does it Better!
Modern Approaches to Construction
5 PRINCIPLES OF LEAN
1. Specify Value
2. Identify Value Stream
3. Client satisfaction
IMPORTANTLY REDUCE WASTE IN ALL FORMS