e - QUOTATION FOR TRUSS LESS PROFLEX ROOF OF AUDITORIUM IN PLUS TWO HIGH SCHOOL AMRAPARA PANCHAYAT AMRAPARA BLOCK AMRAPARA DIST PAKUR

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.

1. Site Details:

Project Type: Auditorium Roofing

Span (Clear): ± 12.19 meters

Arch Rise: 2.43 meters (Span/5)

Length of Shed: ± 30.48 meters

No. of Bays: 1

Eave Height: 3.35 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 12.19 meters and arch rise of 2.43 meters

Roof Coverage Area: Approx. 418.96 sq.m (30.48 m × 13.74 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 03 Turbo Vents. + 03 Skylight)

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.

Add 18% GST (In Basic Rate must fill 0.18)

Add 1% Labour cess (In Basic Rate must fill 0.01)