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| 1 | Design, supply, fabrication, transportation, and installation of truss-less self-supported arch roofing system over the specified Auditorium structure. All materials, consumables, labor, tools, machinery, and incidental items shall be included in the quoted price. |
| 2 | 1. Site Details: |
| 3 | Project Type: Auditorium Roofing |
| 4 | Span (Clear): ± 12.19 meters |
| 5 | Arch Rise: 2.43 meters (Span/5) |
| 6 | Length of Shed: ± 30.48 meters |
| 7 | No. of Bays: 1 |
| 8 | Eave Height: 3.35 meters (approx.) |
| 9 | 2. Roofing System Requirements: |
| 10 | Type: Truss-less (Self-supported Arch Type) Roofing System |
| 11 | Design: To be structurally stable without any intermediate truss or support, suitable for clear span of 12.19 meters and arch rise of 2.43 meters |
| 12 | Roof Coverage Area: Approx. 418.96 sq.m (30.48 m × 13.74 m) |
| 13 | 3. Material Specifications: |
| 14 | Sheet Material: Color Coated Colorbond® Zincalume® Steel |
| 15 | Coating Type: AZ150 (Al-Zn Alloy Coating, 150 g/m² total on both sides) |
| 16 | Standard Compliance: ASTM A 792 |
| 17 | Base Metal Thickness (BMT): 1.10 mm |
| 18 | Total Coated Thickness (TCT): 1.075 mm |
| 19 | Width of Coil: 912 mm to 1010 mm |
| 20 | Tolerance: ±2 mm |
| 21 | 4. Additional Requirements: |
| 22 | Installation: Complete laying and fixing of roofing with overlaps and arching to specified dimensions using hydraulically operated mobile forming machinery. |
| 23 | Fasteners: High tensile, corrosion-resistant self-drilling screws with EPDM washers to be used as per manufacturer recommendations. |
| 24 | Sealants/Consumables: All sealants, fasteners, insulation pads, edge closures, etc., required to ensure weather-tight performance shall be included. |
| 25 | Workmanship: Roofing system shall be free from dents, scratches, warping. Finish should be smooth and uniform in color. |
| 26 | Drainage/Gutters: (Specify if required) |
| 27 | 5. Design & Load Considerations: |
| 28 | Wind Load: As per IS 875 Part 3 (latest revision) |
| 29 | Live Load & Dead Load: As per IS 875 Part 2 |
| 30 | Seismic Consideration: As applicable per IS 1893 |
| 31 | Deflection Limits: As per IS 800 |
| 32 | 6. Quality Control & Inspection: |
| 33 | All material to be accompanied by manufacturer's test certificates. |
| 34 | The roofing system shall be inspected and approved before and after installation by the Engineer-in-Charge. |
| 35 | 7. Warranty: |
| 36 | Minimum 10 years warranty on material for corrosion resistance and color stability. |
| 37 | Supplying & installation of Single Turbo Ventilators 2300 CFM, Size 24\\", Aluminum Construction with Skylight of 2MM Thick Size 2 X 07 Ft. - with complete fixing Accessories 03 Turbo Vents. + 03 Skylight) |
| 38 | Supplying & installation of Hangers / Clamps (For Light hanging purpose).All materials, consumables, labor, tools, machinery, and incidental items shall be included in the quoted price. |
| 39 | Add 18% GST (In Basic Rate must fill 0.18) |
| 40 | Add 1% Labour cess (In Basic Rate must fill 0.01) Please Enable Macros to View BoQ information |
