Site Safety Walk / Inspection
Regular safety walk from planning through findings to corrective action closure
Quality & ComplianceLead Time
107.5h
Cycle Time
5.5h
Wait Time
102.0h
PCE
5.1%
Stages
7
Bottleneck
Action Completion
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 | Inspection Planned (area/focus) | 0.25 | 0.0 | VA | Safety Advisor | 2.0% | 100.0% |
| 2 | Walk-Around Observation | 1.5 | 0.0 | VA | Safety Advisor | 5.0% | 100.0% |
| 3 | Hazard/Finding Documentation | 0.5 | 0.0 | VA | Safety Advisor | 10.0% | 100.0% |
| 4 | Risk Rating & Prioritisation | 0.25 | 2.0 | VA | Safety Advisor | 5.0% | 11.1% |
| 5 | Corrective Actions Assigned | 0.5 | 4.0 | VA | Site Supervisor | 8.0% | 11.1% |
| 6 | Action Completion | 2.0 | 72.0 | VA | Responsible Person | 15.0% | 2.7% |
| 7 | Close-Out Verification | 0.5 | 24.0 | VA | Safety Advisor | 5.0% | 2.0% |