| Existing‑Condition Documentation | ✓Baseline visuals for feasibility studies. | ✓Verify design assumptions versus reality. | ✓Capture as‑built conditions during construction. | ✓Validate progress against baseline imagery. | ✓Archive final site images for turnover. | ✕Typically not required during operations. |
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| Stakeholder Communication | ✓Share visual context with owners and designers. | ✓Align all parties before mobilization. | ✓Provide daily visuals to field and office teams. | ✓Keep executives informed with live imagery. | ✓Support handover documentation with visuals. | ✓Enhance maintenance briefings and training. |
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| Risk & Hazard Identification | ✓Spot safety and environmental risks early. | ✓Validate traffic & access risks on‑site. | ✓Monitor evolving hazards daily. | ✓Proactively address emerging risks. | ✕Major hazards have been mitigated at this stage. | ✕Hazard ID generally handled by O&M systems. |
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| Progress Tracking | ✕Limited physical work yet—focus on planning. | ✓Track early works and mobilization milestones. | ✓Compare actual progress to the schedule visually. | ✓Support earned‑value and performance metrics. | ✓Verify punch‑list completion with images. | ✕Progress tracking handled by maintenance systems. |
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| Issue / RFI Management | ✕Fewer RFIs; design still under development. | ✓Visual RFIs clarify pre‑build questions. | ✓Tie field issues to exact locations. | ✓Document changes for quality control. | ✓Resolve outstanding issues before handover. | ✕RFIs rare; focus shifts to maintenance queries. |
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| O&M Reference | ✕Operations phase not yet relevant. | ✕Operations phase not yet relevant. | ✕Operations phase not yet relevant. | ✕Operations phase not yet relevant. | ✓Final imagery aids warranty & turnover docs. | ✓Supports inspections & future upgrades. |
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