🌏 APAC Regional Intelligence Auto-Linked
Country / Territory (APAC) IEC 62305
City / Sub-Region Station HKO
📐 1. Structure Geometry & Modeling Scheme Scheme: Regular Box
Select Geometric Scheme: IEC 62305-2 Annex A 📦 Regular Box 🔶 Irregular Bounding 🏛️ Podium & Tower 💻 CAD / Revit BIM Scan
🔶 Irregular Bounding Envelope (Conservative Approximation)
Envelope Plan Shape Type L-Shaped Plan (Area Ratio ~0.65, Perimeter +15%) U-Shaped / Courtyard Plan (Area Ratio ~0.60, Perimeter +25%) T-Shaped / Cross Plan (Area Ratio ~0.70, Perimeter +20%) Triangular / Angled Plan (Area Ratio ~0.50) Circular / Elliptical Plan (Area Ratio ~0.785, Smooth Perimeter)
True Shape Footprint Area: 3,591 m²
Computed Collection Area (Ad): 58,420 m²
✔ Apply Irregular Equivalent Dimensions to Calculator 🏛️ Podium & Tower Multi-Volume (Overlap Shadow Deduction)
Subdivides building into Low-Rise Podium & High-Rise Tower per IEC 62305-2 Figure A.1 to avoid severe area penalization.
Monolithic Bounding Area: 485,320 m²
Multi-Volume Unified Area: 368,450 m²
Area Reduction (Savings): -24.1%
✔ Apply Multi-Volume Equivalent Dimensions to Calculator 💻 CAD (DWG/DXF) & Revit BIM (RVT/IFC) Scanner Ready to Scan
🏷️ Naming Convention: [TYPE]-[ID]: [Classification] ([L]×[W]×[H]m)Auto-categorized by spatial profile: TWR (Tower, H≥60m), POD (Podium, H≤30m), DCH (Data Hall), SUB (Substation), HOS (Hospital), BLD (Standard).
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Click or Drag & Drop PDF Blueprint / DWG / DXF / BIM File
Multi-Building Auto-Scan: PDF Site/Roof Plans (.pdf) , AutoCAD (.dwg, .dxf) , Revit (.rvt) , OpenBIM (.ifc) , Schedule (.csv/.json)
Or Load Verified Multi-Building Engineering Models: 📄 PDF Master Site Plan (6 Campus Buildings: DC Halls + GIS Sub + CUP + Admin + Fuel) 🏢 DWG Campus (4 Buildings) 🏥 RVT Model (3 Buildings) 🏭 DXF DC Multi-Hall (4 Halls) 🏛️ IFC Mixed-Use (3 Buildings)
🏢 Scanned Buildings in Model (Select to Load): 0 Buildings
🗺️ Site Schematic Layout (Click Building to Select): Highlighted: TWR-01
⚙️ Model Configuration & Scale Heuristics
📋 Selected Building Parameter Audit Trail:
Source File / Campus Model: N/A Selected Building Designation: N/A Spatial Footprint (L × W × H): N/A Footprint Area & Perimeter: Calculated Collection Area (Ad): N/A
Auto-Couple IEC Table A.1 Surrounded Factor (Cd) & Upstream Substation ADJ
✏️ Editable Scanned Buildings (Live L×W×H & Cd Override): ➕ Add Building
✔ Apply Selected Building Parameters to Calculator Standard Flash Density (Ng) Benchmark (IEC / ITU-T) Auto-Linked to Selected APAC Location IEC Level 1: Very Low (Ng = 1.0 fl/km²/yr | Td ≈ 10) IEC Level 2: Low-Moderate (Ng = 2.0 fl/km²/yr | Td ≈ 20, e.g. Tokyo / Sydney) IEC Level 3: Moderate (Ng = 4.5 fl/km²/yr | Td ≈ 45, e.g. Hong Kong / Taipei) IEC Level 4: High Tropical (Ng = 8.0 fl/km²/yr | Td ≈ 80, e.g. Bangkok / Manila) IEC Level 5: Very High Tropical (Ng = 12.5 fl/km²/yr | Td ≈ 125, e.g. Singapore) IEC Level 6: Severe Thunder Ridge (Ng = 18.5 fl/km²/yr | Td ≈ 185, e.g. KL / Bogor) Custom / Manual Input
Active Flash Density Ng (flashes/km²/yr) 4.50 (Auto-linked from APAC presets or select benchmark dropdown above)
Topography / Environmental Factor (Cd) Table A.1 Cd = 0.25: Surrounded by higher objects (IEC Table A.1) Cd = 0.50: Surrounded by objects of same height (IEC Table A.1) Cd = 1.00: Isolated structure on flat plain (Standard Default - IEC Table A.1) Cd = 2.00: Isolated on hilltop or exposed crest (IEC Table A.1)
🛡️ 2. Protection Measures Mitigation
External LPS Protection Class (PB) Table B.2 None: No External LPS (PB = 1.00 - IEC Table B.2) Class IV LPS: Mesh 20x20m, r=60m (PB = 0.20, 80% Capture - IEC Table B.2) Class III LPS: Mesh 15x15m, r=45m (PB = 0.10, 90% Capture - IEC Table B.2) Class II LPS: Mesh 10x10m, r=30m (PB = 0.05, 95% Capture - IEC Table B.2) Class I LPS: Mesh 5x5m, r=20m (PB = 0.02, 98% Capture - IEC Table B.2) Class I Enhanced: Complete metallic roof + welded down-conductors (PB = 0.01) Continuous Solid Welded Faraday Enclosure (PB = 0.001)
Coordinated SPD Protection Level (PSPD) Table B.3 None: No Coordinated SPDs (PSPD = 1.00 - IEC Table B.3) LPL III–IV: Standard Coordinated SPDs (PSPD = 0.05 - IEC Table B.3) LPL II: High-Energy Industrial Coordinated SPDs (PSPD = 0.02 - IEC Table B.3) LPL I: Critical Facility Coordinated SPDs (PSPD = 0.01 - IEC Table B.3) LPL I Enhanced: Multi-Stage Redundant Hybrid SPDs (PSPD = 0.005) Ultra-Mission Critical: Dual Stage SPDs + Optical Isolation (PSPD = 0.001)
Spatial Shielding & Internal Wiring (KS3 / KMS) Table B.5 Unshielded open loop routing (KS3 = 1.00 - Table B.5) Unshielded cable in metal tray / rebar structure (KS3 = 0.20 - Table B.5) Unshielded cable avoiding large loops (KS3 = 0.10 - Table B.5) Shielded cable / Faraday room grid (KS3 = 0.02 - Table B.5) Shielded cable & cables running in metal conduits (KS3 = 0.0001 - Table B.5)
Touch/Step Shock (PTA) Table B.1 No additional measures (1.0) Warning notices (0.1) 3mm XLPE / Soil Equipot. (0.01) Building framework down-cond (0.0)
Line Shock Measure (PTU) Table B.6 No protection measures (1.0) Warning notices (0.1) Electrical insulation (0.01)
System Withstand Uw (kV) Eq. B.7 1.5 kV (Sensitive Electronic) 2.5 kV (Standard Control) 4.0 kV (LV Power & Industrial) 6.0 kV (Heavy Distribution)
Surface Contact Factor (rt) Table C.3 Agricultural / Concrete (0.01) Marble / Ceramic (0.001) Gravel / Carpet (0.0001) Asphalt / Raised Floor (1e-5)
🔥 3. Fire Risk & Losses Consequence
Facility Occupancy & Loss Type (IEC 62305-2 Table C.2) Commercial / Office / Data Center: Normal evacuation (LB=1e-3, LV=1e-3) Hospital / Acute Care: Difficult evacuation, life-support (LB=1e-2, LV=1e-2) Public Assembly / Theater / Sports Arena: Panic hazard (LB=2e-3, LV=1e-3) Industrial Storage / Automated Warehouse: Low occupancy (LB=5e-4, LV=5e-4) School / Childcare / Educational Campus: High sensitivity (LB=5e-3, LV=2e-3)
Fire Risk Factor (rf) Table B.5 rf = 0.000: Zero Fire Risk - Non-combustible reinforced structure (IEC Table B.5) rf = 0.001: Low Fire Risk - Specific low combustible load < 100 MJ/m² (IEC Table B.5) rf = 0.010: Ordinary Fire Risk - Commercial, Data Centers 100–400 MJ/m² (IEC Table B.5) rf = 0.100: High Fire Risk - Combustible structure, paper, timber > 400 MJ/m² (IEC Table B.5) rf = 1.000: Explosion Hazard - Flammable gases, vapors, Zone 0/1/20/21 (IEC Table B.5)
Automatic Fire Protection (rp) Table B.6 rp = 1.00: No Protection - Standard manual extinguishers only (IEC Table B.6) rp = 0.50: Manual Protection - Fire hydrants, hose reels, manual alarms (IEC Table B.6) rp = 0.20: Automatic Fixed System - Automatic water sprinklers or FM-200/Novec gas (IEC Table B.6) rp = 0.05: Fast Detection + Auto Gas Suppression + Dedicated Fire Brigade (IEC Table B.6)
Incoming Line Length Benchmark (IEC 62305-2 Table E.2) Custom Line Route Length (Use slider below) On-Site Substation / Transformer Adjacent: Lc = 50 m Urban Underground Short Feeder: Lc = 100 m Suburban Direct Buried Feeder: Lc = 250 m (Standard Baseline) Industrial Park / Campus Feeder: Lc = 500 m Rural Overhead / Standard Max Cut-Off: Lc = 1,000 m (IEC Table E.2)
Incoming Power Line Length Lc (m) 250 m
Line Installation (CI) Table A.2 CI = 1.00: Aerial Overhead CI = 0.50: Buried Underground CI = 0.01: Meshed Earth Duct
Line Environment (CE) Table A.4 CE = 1.00: Rural CE = 0.50: Suburban CE = 0.10: Urban CE = 0.01: Urban Tall Bldgs
Power Transformer (CT-P) Table A.3 LV Power Direct (CT = 1.0) HV/LV Transformer (CT = 0.2)
Service Line Mode IEC Annex A Dual Line (Power + Telecom + Adj Bld) Single Combined Line (Simplified)