Building Construction Department Tender

Design, supply, fabrication, transportation, and installation of truss-less self-supported arch roofing system over the specified warehouse structure. All materials, consumables, labor, tools, machinery, and incidental items shall be included in the quoted price. ________________________________________ 1. Site Details: • Project Type: Warehouse Roofing • Span (Clear): ± 21.80 meters • Arch Rise: 3.00 meters (Span/5) • Length of Shed: ± 46.50 meters • No. of Bays: 1 • Eave Height: 5.60 meters (approx.) ________________________________________ 2. Roofing System Requirements: • Type: Truss-less (Self-supported Arch Type) Roofing System • Design: To be structurally stable without any intermediate truss or support, suitable for clear span of 21.80 meters and arch rise of 3.00 meters • Roof Coverage Area: Approx. 1,013.7 sq.m (21.80 m × 46.50 m) ________________________________________ 3. Material Specifications: • Sheet Material: Color Coated Colorbond® Zincalume® Steel • Coating Type: AZ150 (Al-Zn Alloy Coating, 150 g/m² total on both sides) • Standard Compliance: ASTM A 792 • Base Metal Thickness (BMT): 1.10 mm • Total Coated Thickness (TCT): 1.075 mm • Width of Coil: 912 mm to 1010 mm • Tolerance: ±2 mm ________________________________________ 4. Additional Requirements: • Installation: Complete laying and fixing of roofing with overlaps and arching to specified dimensions using hydraulically operated mobile forming machinery. • Fasteners: High tensile, corrosion-resistant self-drilling screws with EPDM washers to be used as per manufacturer recommendations. • Sealants/Consumables: All sealants, fasteners, insulation pads, edge closures, etc., required to ensure weather-tight performance shall be included. • Workmanship: Roofing system shall be free from dents, scratches, warping. Finish should be smooth and uniform in color. • Drainage/Gutters: (Specify if required) ________________________________________ 5. Design & Load Considerations: • Wind Load: As per IS 875 Part 3 (latest revision) • Live Load & Dead Load: As per IS 875 Part 2 • Seismic Consideration: As applicable per IS 1893 • Deflection Limits: As per IS 800 ________________________________________ 6. Quality Control & Inspection: • All material to be accompanied by manufacturer's test certificates. • The roofing system shall be inspected and approved before and after installation by the Engineer-in-Charge. ________________________________________ 7. Warranty: • Minimum 10 years warranty on material for corrosion resistance and color stability.

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

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.