Change Request Process

Scope change request from initiation through impact assessment to approval

Project Management
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Lead Time

140.0h

Cycle Time

10.0h

Wait Time

130.0h

PCE

6.4%

Stages

7

Bottleneck

Stakeholder Review

Value-Add vs Non-Value-Add

Value-Add (VA)

An activity is value-add if it meets all three criteria:

  • The customer is willing to pay for it
  • It transforms the product or service
  • It is done right the first time

Examples: Assembly, diagnosis, treatment, coding, machining, testing

Non-Value-Add (NVA)

Activities that consume time or resources but don't add value from the customer's perspective:

  • Waiting — queues, approvals, batching delays
  • Transport — moving materials or information
  • Motion — unnecessary movement of people
  • Rework — correcting defects or errors
  • Over-processing — doing more than required

Note: Some NVA is necessary (compliance, safety). Target unnecessary NVA first.

Process Timeline

Value-Add vs Non-Value-Add

Bottleneck Analysis

Stage Efficiency

# Stage Cycle (h) Wait (h) VA Resource Defect % Efficiency
1 Change Request Submitted 0.5 2.0 VA Requestor 15.0% 20.0%
2 PM Review & Log 0.25 8.0 VA Project Manager 5.0% 3.0%
3 Impact Assessment 4.0 24.0 VA Technical Lead 10.0% 14.3%
4 Cost & Schedule Estimate 2.0 16.0 VA Estimator 8.0% 11.1%
5 Stakeholder Review 1.0 48.0 NVA Steering Committee 3.0% 2.0%
6 Approval / Rejection 0.25 24.0 VA Sponsor 2.0% 1.0%
7 Implementation Planning 2.0 8.0 VA Project Manager 5.0% 20.0%