bids are invited for 1 - for : tuting ( chdh ) chdh ( or ) , size 18.0 x 6.10m with 1.50m wide covered verandah, four partition walls to form two internal store rooms, siz doors, seven aluminium sliding windows ( 4x4 ) , two turbo ventilators, false ceiling made of 30mm puf panels, wall cladding made of 50mm puf panels, roof cladding made of 0.6mm ppgi colour coated sheets and four steel trusses made of portal frame structure.main column with web-300200 x 5mm thick and flanges of 128 x 8mm thick, main rafter with web-250100x 5mm thick and flanges of 100 x 8mm thick and cantilever verandah rafter of same dimension.the four main portal frames are provided at a distance 6.0 mtr centre to centre and interconnected by z / c purlins at spacing all as given in the drawing no chdh-or-01, seven sheets attached with costed schedule.in addition, rear covered verandah of 18.0m x 1.8m with cantilever rafter of web-250150 x 5mm thick and flanges of 100 x 8mm thick will be provided.detailed technical specification, drgs and list of electrical items supplied with each set of chdh as per costed schedule total quantity : 1