Council Of Scientific And Industrial Research Tender

ROOFING & FINISHING

Supplying,fitting and fixing polycarbonate sheet of approved make and brand such as lexan,Palram or equivalent with required colour such as blue,brown,green The Polycarbonate shall be co-extruded UV protection on both sides with an color option available in Solar Smart Technology to reduce heat transmission and allowing desired light transmission shall have weight not less than 3.11 kgs/m2 and Panels shall have U value = 2.1 watts/m2/°C and have uniform in colour with an integral core. In a cross section, the core shall be constructed of seven walls, four cells with diagonal separator in between to provide better strength to the panel. The polycarbonate panels and polycarbonate joiners shall both be supplied in Solar Smart Heat Control Technology. The Polycarbonate Snap-on connector (Wedge Shape- W) shall be minimum 40mm wide and low height not exceeding 25mm with single tooth locking system and deep groove to counteract shear wind forces and the aluminum Joiner shall be not exceeding height 55mm with locking groove to counteract shear wind forces The whole system shall be secured using T- fasteners of thickness not less than 2mm having minimum three points for fastening with self-drilling Hex Head Screws to have proper fixing with the structural framework. The T-fasteners shall have a coverage of minimum 40mm across length on polycarbonate panel to ensure better load performance and secured with end caps, breather tapes, Aluminum Sealing Strip - “U” End profile (Mill Finish) having drain holes to let rainwater flow out without affecting the panel system.Panels shall have fire rating as per EN13501 B,s1,d0 with multiwal 10mm overall thickness (wt.1.70kg/sqm, Ugvalue being 3.1 W/m2K, min, cold bending radius of 1200mm): Complete upto any pitch in horizontal, vertical or curved surfaces excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.