{
  "project": "Grand Sapphire (Grandspire) Event Complex - PEB/Steel Scope",
  "location": "Qadirabad, Mandi Bahauddin, Punjab, Pakistan",
  "client": "Grand Sapphire Events (Pvt) Ltd",
  "date": "2026-08-03",
  "currency": "PKR",
  "geometry": {
    "halls": 3,
    "hall_width_ft": 83.0,
    "hall_length_ft": 125.0,
    "hall_area_ft2": 10375.0,
    "eave_height_ft": 30.0,
    "ridge_height_ft": 36.0,
    "clear_span_m": 25.3,
    "length_m": 38.1,
    "frame_lines_per_hall": 7,
    "frame_spacing_ft": 20.833,
    "total_frames": 21,
    "total_columns": 42,
    "roof_pitch": "1:5 (11.3 deg)",
    "total_hall_area_ft2": 31125.0
  },
  "codes": [
    "ASCE 7-16",
    "AISC 360-16 (LRFD)",
    "PBC 2008",
    "Wind 110 mph Exposure C",
    "Seismic Zone 2B SDC C",
    "AWS D1.1 (E7018)",
    "ASTM A325 Type1 bolts"
  ],
  "rates_pkr": {
    "structural_steel_kg": 240,
    "z_purlin_girt_kg": 300,
    "ppgi_kg": 300,
    "glass_wool_m2": 25,
    "labour_sqft": 80,
    "overhead_profit_pct": 10.0
  },
  "line_items": [
    {
      "sheet": "Steel",
      "item": "Columns (built-up I, web4/fl 6mm)",
      "section": "I-sec 350x250",
      "qty": 13265.0,
      "unit": "kg",
      "rate": 240,
      "amount": 3183600.0
    },
    {
      "sheet": "Steel",
      "item": "Rafter 1 - eave haunch",
      "section": "I-sec 350x250",
      "qty": 6180.2,
      "unit": "kg",
      "rate": 240,
      "amount": 1483248.0
    },
    {
      "sheet": "Steel",
      "item": "Rafter 2 - mid-span",
      "section": "I-sec 350x250",
      "qty": 6180.2,
      "unit": "kg",
      "rate": 240,
      "amount": 1483248.0
    },
    {
      "sheet": "Steel",
      "item": "Rafter 3 - apex/ridge",
      "section": "I-sec 350x250",
      "qty": 6180.2,
      "unit": "kg",
      "rate": 240,
      "amount": 1483248.0
    },
    {
      "sheet": "Steel",
      "item": "Base plates 25mm 450x450 A36",
      "section": "450x450x25",
      "qty": 1669.1,
      "unit": "kg",
      "rate": 240,
      "amount": 400584.0
    },
    {
      "sheet": "Steel",
      "item": "J-bolts 4x25mm F1554 Gr105",
      "section": "M25 / 0.9m",
      "qty": 582.6,
      "unit": "kg",
      "rate": 240,
      "amount": 139824.0
    },
    {
      "sheet": "Steel",
      "item": "Connection/splice plates 16mm A572",
      "section": "16mm plate",
      "qty": 1272.2,
      "unit": "kg",
      "rate": 240,
      "amount": 305328.0
    },
    {
      "sheet": "CF",
      "item": "Z Purlin 200x75x20 1.6mm G550",
      "section": "Z8\" 16ga",
      "qty": 10081.3,
      "unit": "kg",
      "rate": 300,
      "amount": 3024390.0
    },
    {
      "sheet": "CF",
      "item": "Z Girt 150x60x20 1.6mm G550",
      "section": "Z6\" 16ga",
      "qty": 8901.1,
      "unit": "kg",
      "rate": 300,
      "amount": 2670330.0
    },
    {
      "sheet": "Clad",
      "item": "PPGI standing seam 0.5mm AZ150 (roof+walls)",
      "section": "0.5mm PPGI",
      "qty": 25119.8,
      "unit": "kg",
      "rate": 300,
      "amount": 7535940.0
    },
    {
      "sheet": "Clad",
      "item": "Glass wool 25mm FSK 24kg/m3",
      "section": "25mm FSK",
      "qty": 6400.0,
      "unit": "m2",
      "rate": 25,
      "amount": 160000.0
    },
    {
      "sheet": "Lab",
      "item": "PEB erection labour",
      "section": "Rs/sqft",
      "qty": 31125.0,
      "unit": "sqft",
      "rate": 80,
      "amount": 2490000.0
    }
  ],
  "totals": {
    "subtotal_pkr": 24359740.0,
    "overhead_profit_pkr": 2435974.0,
    "grand_total_pkr": 26795714.0,
    "frame_steel_t": 35.33,
    "cold_formed_t": 18.982,
    "cladding_t": 25.12,
    "total_steel_t": 79.432,
    "total_steel_kg": 79432.0
  },
  "assumptions": [
    "Frame layout: 7 frame lines per hall at 20'-10\" (6 bays = 125'-0\") to divide 125 ft cleanly; 20 ft spacing does NOT divide evenly.",
    "Rafter split into 3 equal-length segments (eave haunch / mid-span / apex) per side; actual haunch length to be confirmed by detailed design.",
    "Column height taken as eave height 9.144 m. Rafter geometry from eave/ridge heights (rise 6 ft); note stated 1:5 pitch implies ~1:6.9 actual slope - flagged.",
    "Built-up I-section assumed web 350 mm deep x 4 mm, flange 250 mm wide x 6 mm; weight 34.54 kg/m.",
    "Base plate 450x450x25 A36 + 4x M25 J-bolts (0.9 m) per column included in steel kg at Rs.240/kg.",
    "Connection/splice plates (16 mm A572) estimated at 4% of frame (column+rafter) steel weight.",
    "Z-purlin 200x75x20x1.6mm = 4.90 kg/m (18 lines/hall @1.5m); Z-girt 150x60x20x1.6mm = 3.90 kg/m (6 lines/hall @1.5m).",
    "PPGI 0.5mm = 3.925 kg/m2 applied to full roof + wall envelope; glass wool to full envelope area.",
    "Labour Rs.80/sq ft on built-up area (31,125 sq ft). Overhead & profit 10% on subtotal.",
    "RCC (restaurant/kitchen/admin/bridal) excluded - this is PEB/steel scope for the 3 halls only."
  ]
}