bids are invited for chemical emulsion - supplying and injecting chemical emulsion in sealed containers including delivery as specified in the tender nit boq specifications , granite - plinth protection with supply and fixing of granite slab as per tender nit boq specifications , upvc door and windows - providing and fixing factory made upvc door frame, three track three panels sliding window with two glazed & one wire mesh panels with aluminium channel for roller track, wool pile, nylon rollers with ss 304 body etc as per tender nit boq specifications , hydraulic door closer - providing and fixing aluminium die cast body tubular type universal hydraulic door closer with necessary accessories and screws etc. complete as per tender nit boq specifications , paint work - painting with putty and distempering with 1st quality acrylic distemper (ready mixed) having voc content less than 50 gram/litre, of approved manufacturer, of required shade and colour all complete as per tender nit boq specifications , collapsible steel shutters - providing and fixing in position collapsible steel shutters with vertical channels 20x10x2 mm and braced with flat iron diagonals 20x5 mm size, with top and bottom rail of t-iron 40x40x6 mm, with 40 mm dia steel pulleys, complete with bolts, nuts, locking arrangement, stoppers, handles, including applying a priming coat of approved steel primer as per tender nit boq specifications , allied civil works - plastering, comcreteting, plinth protection etc as per tender boq specification , structural steel - structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete as per tender nit boq specifications , paver block - providing and laying 60mm thick factory made cement concrete interlocking paver block of m -30 grade made by block making machine with strong vibratory compaction, of approved size, des