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ISF Facades Cleaning Strategy Feb.2026

📑 12 slides 👁 21 views 📅 2/5/2026 📄 PDF
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Building Description

Central mass: G + 5 floors with moderate fins and recesses

Building Description
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Central Mass: Facade Scope & Access

  • Scope: Vertical glazing, skylight, glass balustrades (total ~7,340 sq.m)
  • Access: Telescopic poles (G, 1st, 5th floors, skylight), davit system (2nd–4th floors)
  • Duration: ~147 man-hours, target 2 days with 10 workers
Central Mass: Facade Scope & Access
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Routine Glazing Cleaning (6 Months)

  • Scope: All glazing, glass balustrades, skylight (~7,340 sq.m)
  • Includes stone cladding (G–5 floors) and fifth-floor canopy
  • Access: Telescopic poles and temporary davit system
Routine Glazing Cleaning (6 Months)
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Full Facade Cleaning (12–24 Months)

  • Total area: ~15,140 sq.m (glazing + stone cladding + canopy)
  • Productivity: 60 sq.m/day (glazing), 40 sq.m/day (stone)
  • Duration: ~4.5 days with 8 workers
Full Facade Cleaning (12–24 Months)
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Central Skylight Strategy

  • Size: 26 m × 17 m, tallest reach reduced to 13 m
  • Solution: Manual telescopic poles (no mechanical gantry)
  • Rationale: Easier operation, reduced O&M burden, no equipment maintenance
Central Skylight Strategy
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BMU / Permanent Anchor Assessment

  • Permanent BMU and rope-access anchors deemed unsuitable
  • Reasons: Architectural sensitivity, luxury terrace, ceremonial importance
  • Conclusion: Telescopic poles + davit system provide low-impact solution
BMU / Permanent Anchor Assessment
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Wings: Facade Scope & Access

  • Scope per wing: Glazing (2,780 sq.m), stone cladding (~3,000 sq.m)
  • Access: Ground-based telescopic poles, terrace water supply
  • Productivity: 60 sq.m/day (glazing), 40 sq.m/day (stone)
Wings: Facade Scope & Access
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Wings: Routine Glazing Cleaning

  • Scope: All vertical glazing and skylights (2,780 sq.m per wing)
  • Duration: ~0.75 day per wing, ~1.5 days for two wings
  • Interval: Every 6 months for warranty maintenance
Wings: Routine Glazing Cleaning
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Wings: Full Facade Cleaning

  • Scope: Glazing + stone cladding (~5,780 sq.m per wing)
  • Duration: ~2 days per wing, ~4 days for two wings
  • Interval: Stone cladding deep cleaning every 12–24 months
Wings: Full Facade Cleaning
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Wings: BMU Justification

  • No continuous high-rise facade requiring suspended access
  • Ground-based systems suffice for routine and full cleaning
  • Permanent BMU deemed unnecessary and inefficient
Wings: BMU Justification
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Atrium Cleaning Strategy

  • Features: Metal screens (~2,500 sq.m), elevators, skylight (440 sq.m)
  • Access: Scaffolding (no heavy lifts due to basement constraints)
  • Interval: Every 18–24 months (air-conditioned, low dust environment)
Atrium Cleaning Strategy
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Atrium Cleaning Duration

  • Estimated duration: ~4 days (8 workers, 8 h/day)
  • Includes scaffolding setup and safe movement
  • Simultaneous work may reduce total time slightly
Atrium Cleaning Duration
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