Facelifting works in BSB and HSB Block-Providing and fixing GRC panel to the corridor openings and GI pipe to the louvers in BSB and HSB Block at IIT Madras

Providing and fixing G.I. pipes complete with G.I. fittings and clamps, including cutting and making good the walls etc.complete Internal work - Exposed on wall 25 mm dia nominal bore

Painting G.I. pipes and fittings with synthetic enamel white paint with two coats over a ready mixed priming coat, both of approved quality for new work : 25 mm dia nominal bore

Providing and fixing Glass Reinforced Concrete (G.R.C) ornamental Screens casted with 'Spray Mix' concrete design in approved size, pattern, thickness (Border 40- 50mm thick & Internal Member 25-30mm thick) and shade. The Screens should be made from ‘53 grade’ White Portland Cement manufactured by ‘JK Cement’ or 'Birla white', White Quartz fine graded sieve Silica Sand, Alkali Resistant Glass Fiber manufactured by 'NEG Japan, Owen Corning ‘Saint Gobain’ or equivalent, Super Plasticizers manufactured by ‘Karochem’ or equivalent, Polymers manufactured by ‘Nova Polychem’ or equivalent and U.V resistant Synthetic inorganic pigments should be used for pigmentation manufactured by ‘Phenochem industries or equivalent. The Screens casting shall take place with layering methodology using- Direct Power Spray machines.The GRC Screens flexural strength average L.O.P should be above or equivalent to 6 N/mm2 & M.O.R should be above or equivalent to 12 N/mm2 for tests done on 28 days cured samples. The fixing of Screens should be done using ‘Dry fixing’ method onto structural support members i.e. R.C.C, Brick work or Red oxide Primer-paint or Epoxy primer-paint treated mild steel. The fixtures, fasteners and self tapping screws to be used for dry fixing should be of HILTI/KLIMAS/Fischer. The quantity of fasteners or self tapping screws shall be calculated in accordance to the weight of Screens and actual site fixing conditions. If there will be a requirement of Joint filling then Elastomeric exterior grade paintable PU Sealant will be used. For final finishing of Screen one weathershield exterior grade water based diluted paint coat will be done if required. Vendors shall submit shop drawings of the same, the drawings to be duly approved by the Engineer in charge at site. The rate is inclusive of scaffolding, filling the gap between the panel and wall surface, safety net, lifting charges, tools and plants, transportation, taxes etc., complete