Managing Engineering Design V.1

DESIGN QUALITY ASSESSMENT WORK SHEET: <%=(title.Fields.Item("Project").Value)%>

Contributor:

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Date:

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TASK CLARIFICATION	High	Marginal	Low
1. Design problem clearly defined?
2. Agreed design specification?
3. Specification circulated to all involved?

CONCEPTUAL DESIGN I - CONCEPT GENERATION	High	Marginal	Low
1. Problem abstracted?
2. Broken into sub-functions?
3. Several concepts produced?
4. Many working principles considered?
5. Principles suitably combined?

CONCEPTUAL DESIGN II - SELECTION AND EVALUATION		High	Marginal	Low
1. Concept variants firmed up?
2. Concept variants evaluated:	Technical?
2. Concept variants evaluated:	Economics?
3. Concept weak spots identified?
4. Cost estimates developed?
5. Concept formally presented for approval?

EMBODIMENT DESIGN I - OVERALL LAYOUT		High	Marginal	Low
1. Design simple?
2. Design function clear?
3. Design form clear?
4. Safety:	Safe-life design?
	Fail-safe design?
	Redundancy built in?
	Protection built in?
	Warnings provided?
5. Primary checks:	Function OK?
	Economics OK?
	Safety OK?
	Ergonomics OK?
6. Secondary checks:	Production OK?
	Quality assurance OK?
	Assembly OK?
	Transport OK?
	Operation OK?
	Maintenance OK?
	Costs OK?
	Schedule OK?

EMBODIMENT DESIGN II - DETAIL LAYOUT		High	Marginal	Low
1. Force transmission paths:	Flowlines OK?
	Deformation OK?
	Secondary forces a problem?
2. Appropriate division of tasks?
3. Self-help used:	Self-reinforcing?
	Self-balancing?
	Self-protecting?
	Self-damaging?
4. Design stable?
5. Calculations appropriate, adequate, correct and checked?
6. Materials well selected and used appropriately?
7. Applicable standards and codes met?
8. Bought out components selected and used appropriately?
9. Engineering drawings professionally completed and updated?

DETAIL DESIGN - COMPONENTS AND ASSEMBLY	High	Marginal	Low
1. Shape, material and manufacture interactions OK?
2. Strength, stiffness, fatigue, creep ... OK?
3. Residual stresses, flaws, corrosion allowance ... OK?
4. Tolerances, surface finish, dimensional stability ... OK?
5. Easy to assemble components without ambiguity?
6. Testing and commissioning procedures adequate?
7. Production and certification documents in order?

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