bids are invited for supplying and fixing rolling shutters of approved make - supplying and fixing rolling shutters of approved make made of required size ms laths interlocked together through their entire length and jointed together at the end by end locks mounted on specially designed pipe shaft with brackets side guides and arrangements for inside and outside locking with push and pull operation complete including the cost of providing and fixing necessary 275 cm long wire springs manufactured from high tensile steel wire of adequate strength conforming to is_ 4454 - part 1 and ms top cover of required thickness for rolling shutters 80x125 mm ms laths with 125 mm thick top cover , extra for providing mechanical device chain and crank operation - extra for providing mechanical device chain and crank operation for operating rolling shutters exceeding 1000 sqm and upto 1680 sqm in the area , painting steel work with deluxe multi surface paint - painting steel work with deluxe multi surface paint to give an even shade two or more coat applied 090 ltr/10 sqm over an under coat of primer applied 080 ltr/10 sqm of approved brand and manufacture , please go through - please refer the nit , please go through as per nit total quantity : 126