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T022 VM & VE
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T022 & T074 Mapa Mental sobre T022 VM & VE, criado por alison_patey0437 em 28-04-2013.
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t022 & t074
t022 & t074
Mapa Mental por
alison_patey0437
, atualizado more than 1 year ago
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alison_patey0437
mais de 11 anos atrás
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T022 VM & VE
Definition of VE
Value engineering
an organised approach aimed at providing the necessary functions at the lowest cost without a detri effect on qual, reliability, perform & delivery
VE: used 2 correct decision when things go wrong
Value = function/cost
Definition of VM
VM - concerned with making explicit what value means to a client
early stages of design e.g. 2 ensure the need 2 build is verified
VM ensures that the right decisions r made the 1st time
6 step VE plan
Information Phase
Functional Analysis
Creativity Phase
Evaluation Phase
Development phase
Reporting Phase
Best solution identified and rec made - written/ oral report
detailed dev of remaining ideas - LCC techniques
Evaluate solutions (cost + feasibility) - list of options
Screen ideas for acceptance, score remaining ideas on a scale and group ideas into categories. Devel p design scenarios, and selection criteria. Rat
BRAIN STORMING
Brainstorm ideas on how to improve the high cost, broken, or inadequately performed key functions.
Diagram verifying correctness function definitions and showing interrelationships. identifies + separates in2 higher order
What must the project do? What are he functions and how are they related?
Identify problem(s) 2 b solved, & gather info on b.ground, functions & req. of project. complete a FAST diagram
Value
measure of worth; a relative measure of usefulness of something in relation to the cost paid for it.
What happens in the VE process?
design team brought 2gether
pool expertise
higher chance of identifying + solving problems
not a cost cutting exercise - as it would lead 2 a reduced qual + value
when doe VE/VM process occur?
1. Concept - VM w.shop 1
2. Feasibility - VM w.shop 2
3. Scheme design - VE
Detailed design - VE
in practice VE studies occur when things go wrong & limits ability 2 make better & more effective design solutions
outline brief complete + costed - review schemes & score against weighted objectives
assess capital cost 2 determine options 4 best value
define if there is a need 2 build, set objectives in a value tree
VE workshop
can b 40hr w.shop or mini w.shops/ 2 day works shops
40 hr entire team/ neutral venue/ intensively wk on design proposals
Mini: facilitator joins DT @ briefing stage & remains throughout.
2 day: most common in UK
limitations of VE
assumes all parties have a common understanding being provided
assumes all feasible design alt provide the same level of funct perform
Why is VM needed?
provides a means 2 define the project clearly in relation 2 client objectives & business needs
support decision making
encourages innovative solutions
provides a means 4 measuring value + demo that optimum value 4 money is achieved
Value Tree
decision support tool: uses a tree-like graph/model of decisions & possible consequences, inc chance event outcomes, resource costs.
used to help in brainstorming stage
weighting can be applied to assist with scoring options
Advantages of VM
need 4 new investment is verified & prj goals clearly identified
obj & decisions: openly discussed
Evaluation & re-evaluation framework - structured/ rigorous/ rational
decisions supported by data
accountability increased
alt solutions - sought & considered
g8ter confidence in business decisions
potentially inc value 4 money
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