CONCEPT ONLY · NOT ENGINEERED · NOT FOR CONSTRUCTION
20 × 40 Warehouse
20 ft × 40 ft, 12 ft eave · gable roof · 3 frames · Tamil Nadu
Bill of quantities Calculated
| Item | Quantity | Unit | Notes |
|---|---|---|---|
| Structural steel | |||
| Columns, ISMB 250 | 819 | kg | 6 nos |
| Rafters, ISMB 250 | 696 | kg | 6 nos |
| Connections, base plates, gussets | 121 | kg | 8% allowance on frames |
| Z purlin 200 x 62 x 2.0 mm | 507 | kg | 6 lines x 12.8 m |
| Z girt 150 x 62 x 1.6 mm | 538 | kg | 12 rendered members |
| Bracing, ISA 50 x 50 x 6 | 494 | kg | 2 braced bays |
| Anchor bolt sets | 24 | nos | 4 per column |
| Roof | |||
| PPGI roof sheet 0.5 mm | 942 | sq.ft | 2 slope(s) |
| Ridge cap and flashing | 12.8 | m | |
| Gutter with downpipes | 25.6 | m | |
| Self-drilling screws | 942 | nos | |
| Walls | |||
| PPGI wall sheet 0.5 mm | 1356 | sq.ft | net of openings |
| Foundation | |||
| M20 concrete, footings and pedestals | 5.1 | m³ | 6 footings |
| Fe500 rebar | 383 | kg | 75 kg per m³ |
| Floor | |||
| VDF concrete floor 100 mm | 800 | sq.ft | |
| Openings | |||
| MS rolling shutter | 100 | sq.ft | 1 nos |
| Aluminium sliding window | 24 | sq.ft | 2 nos |
Cost estimate Estimated
| Structural steel | ₹2,91,704 |
| Roof | ₹1,19,216 |
| Walls | ₹1,22,040 |
| Foundation | ₹69,654 |
| Floor | ₹1,10,400 |
| Openings | ₹59,040 |
| Total | ₹8,30,923 |
|---|---|
| Budget range | ₹7,31,212 – ₹9,30,634 |
Structural sizes are preliminary visualization placeholders. This report is not approved engineering or a supplier quotation.