what makes value methodology work? (an analysis of function analysis
TRANSCRIPT
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WHAT MAKES VALUE METHODOLOGY
WORK?
(AN ANALYSIS OF FUNCTION ANALYSIS)
BY: GEZA E. KMETTY, PE, CVS
AND ALFRED I. PALEY, CVS, FELLOW
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Topic Overview• Problem Solving • The Inventions• From Reasoning to Function Analysis• Creating a FAST Diagram of Function Analysis• Reading the FAST Diagram• Function Engineering• Example• Reasons of Poor Quality and Wrong Decisions• The VE Job Plan • Conclusions
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Problem Solving
Wet Floor
Identify Correct Problem
Apply Pet Solution
Repair Leaky Roof
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The Inventions
WWII
General Electric
Lawrence D. Miles Charles W. Bytheway
Function Analysis F.A.S.T. Diagram
Value Methodology
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Reasoning
• How and Why things happen?
• How and Why things work?
• Theories and Stories + Logic = Understanding
• Understanding = Winning Arguments
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Winning Arguments Solve Problem
Words Sentences Stories
Stories Understanding Winning Arguments
Functions F.A.S.T. Diagram Understanding
Understanding Find Problem Solve Problem
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Functions
• The Language of Functions = Verb + Noun
• The Story of Functions = F.A.S.T. Diagram
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Definition of Function
An
and a
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Function Examples
• A Pencil’s Functions: Make Mark, Contain Graphite, Protect Garment, Carry Advertising, Carry Eraser
• A Flood Control Channel’s Functions: Contain Flows, Support Vegetation, Reduce Damage, Allow Recreation, Maintain Open Space
• Etc., etc., etc………
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F.A.S.T. Diagram of
Function Analysis
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The Value Methodology
F.A.S.T. Diagram of the Function Analysis Discipline
FAST (Function Analysis System Technique) is used to illustrate the relationships of functions within the Function Analysis Discipline, by utilizing a How-Why logic pattern.
Improve: Product, Process, Procedure, Regulations, Laws
Accomplish Goals
Make Proper Decisions
Select Best Solution(s)
Maintain Quality
Brainstorm Solutions
Generate Creative Discontent
Identify Correct Problem
Perform Function Analysis
Apply Standards
Obtain Consensus
Develop Understanding
Changing Attitudes
Measure Performance
Expose Unnecessary Functions
Identify Required Functions
Estimate Costs and/or Consequences
Obey Laws
Obtain Public Support and Cooperation
Obtain Approvals
Provide Audit Trail
Use Verb-Noun Description
Apply Job Plan
Assemble Expert VE Team
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Reading the F.A.S.T.
• What is the F.A.S.T. “Story” telling us?
• Why we perform Function Analysis?
• Basic Required Function = Accomplish Goal
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Function Engineering
• Identify Functions• Arrange Functions• Manipulate Functions• Identify Correct Problem • Generate Creative Discontent• Brainstorm Solutions• Select Best Solution
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Example: Railroad Lift Bridge
Complete Construction-
Project
Replace Bridge
FAST Diagram
ProvideWater-Traffic
RailroadLift Bridge
Needs Repair
Provide Water and Rail Traffic Provide
Rail-Traffic
HOW? WHY?
Higher Order Function
Specifications
MaintainRail & Water
Traffic
60yr old Railroad Lift BridgeMaintenance/Remodeling
MaintainRail-Traffic
Provide Rail-
By-Pass
Environmental Impact Study
Baseline Solution
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Result: Use Second Bridge
Complete Construction-
Project
Replace
Bridges
FAST Diagram
ProvideWater-Traffic
RailroadLift Bridges Need Repair
Provide Water and Rail Traffic Provide
Rail-Traffic
HOW? WHY?
Higher Order Function
SpecificationsMaintain
Rail & WaterTraffic
60yr old Railroad Lift BridgeMaintenance/Remodeling
MaintainRail-Traffic Eliminate
By-Pass
Two Parallel Railroad
Lift Bridges
x Change
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Results
• Function Analysis->FAST Diagram->Understanding
• Identify Correct Problem
• Creative Discontent->Brainstorming->Best Solution
• Accomplish Goal
• Reduced Cost
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Reasons of Poor Quality and Wrong Decisions• Lack of Information
• Honest Wrong beliefs• Habitual Thinking• Risk of Personal Loss • Reluctance to Ask for Advice
• Time Pressures
• Political Pressure
• Negative Attitudes • Rapidly changing technology • Strict Adherence to "Requirements"
• Poor Human Relations
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The VE Job Plan
1. Identify the major elements of a project,
2. Analyze the functions these project elements perform,
3. Use brainstorming to develop several design alternatives to perform those functions,
4. Evaluate the alternatives to insure they do not degrade the project,
5. Assign costs (including life-cycle cost) to each of the most promising alternatives
6. Develop the promising alternatives into acceptable recommendations.
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Goals
Symptoms,Symptoms,
DiscontentDiscontentExpertise
Process Product Project
Recommendations
VM-Team What? How? Why? What Else?
Management
Implementation
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Conclusion
The Value Methodology is the language of reason and logical thinking.
The VE effort will result in identification of the correct problem
and an intimate understanding of the required functions
which leads to the best possible solution the VE team is capable of.
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Thank You