Tender For Replacement Of G.I Sheet To Profile Sheet Of Godown And Painting At Fci Fsd Kolasib Mizoram (Balance Works); 1 Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: GS sheet 2 Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.. In cement mortar 3 Taking out wind ties from roof including cutting out rusted bolts, nuts etc. and removing materials to any distance within compound and stacking. 4 Providing and laying cement concrete in retaining walls, return walls,walls (any thickness) including attached pilasters, columns, piers,abutments, pillars, posts, struts, buttresses, string or lacing courses,parapets, coping, bed blocks, anchor blocks, plain window sills, fillets,sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: 1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from naturalsources : 4 graded stone aggregate 20 mm nominal sizederived from natural sources) 5 Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer in charge) 0.50 mm (+0.05%) total coated thickness with zinc coating 120 grams per sqm as per IS:277 in 240mpa steel grade, 5-7 microns epoxy primer on both sides of the sheet and poyester top coat 15-18 microns. Sheet should have protective gaurd film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 m or as desired by Engineer in charge. The sheet shall be fixed using self drilling / self tapping screws of size (5.5 X 55 mm ) with EPDM seal 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. 6 Providing and fixing precoated galvanised steelsheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm), Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer onboth side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete: (a) Ridges plain (500-600mm) meter 7 Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm), Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Gutter (600 mm over all girth) metre 8 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:4 (1 cement : 4 coarse sand) 9 Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement :2 coarse sand : 4 stone aggregate 10 mm and down gauge) including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design In 75x75 mm deep chase 10 15 mm cement plaster on the rough side of single or half brick wall of mix : 1:4 (1 cement:4 fine sand) 11 Supply , installation, testing & commissioning of turbo ventilators size 22” in stainless steel 430 grade with approximate weight 4.85kg having a CFM-7 kg per hour 2440 with blade length 369mm wings of 80mm & following specification turbo ventilators available in stainless steel size 22”55 grade 430 no of outer wings =24(22”) no of inner wings =6(22”) fan base=nylon top and bottom 55430 inside material =nylon fan blade OD600 mm (for 22”) nylon blade ring=560mm.Total fan height 360mm self lubricating bearing )for 22”) 12 Re-Fixing of Existing turbo ventilatorswith new fittings 13 Credit for old dismantled GI roof sheets and wind tie including taking away from depot complex in Kg 14 Fixing of old wind tie with new fittings including painting two or more coats with anticorrosive bitumastic paint of approved brand & manufacturer over and including priming coat of ready mixed zinc chromate yellow primer of approved brand. 15 Extra for providing and fixing wind ties of 40x 6 mm flat iron section 16 Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : One or more coats on old work 17 Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 110 mm diameter 18 Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes 19 Centering and shuttering including strutting, propping etc. and removal of form work for :Columns, piers, abutments, pillars, posts and struts 20 Providing and fixing mineral fibre false ceiling tiles at all heights of size 595X595mm of approved texture, design and pattern. The tiles should have Humidity Resistance (RH) of 99%, Light Reflectance ≥ 85%, Thermal Conductivity k = 0.052 - 0.057 w/m K, Fire Performance as per (BS 476 pt - 6 &7)in true horizontal level suspended on interlocking T-Grid of hot dipped all round galvanized iron section of 0.33 mm thick (galvanized @120 gsm) comprising of main T runners of 15x32 mm of length 3000 mm, cross T of size 15x32mm of length 1200 mm and secondary intermediate cross T of size 15x32 mm of length 600 mm to form grid module of size 600x600 mm suspended from ceiling using galvanized mild steel item (galvanised@80gsm) 50 mm long 8mm outer diameter M-6 dash fasteners, 6 mm diameter fully threaded hanger rod up to 1000 mm length and L-shape level adjuster of size 85x25x2 mm, spaced at 1200 mm centre to centre along main ‘T’. The system should rest on periphery walls /partitions with the help of GI perimeter wall angle of size24x24X3000 mm made of 0.40 mm thick sheet, to be fixed to the wall with help of plastic rawl plug at 450 mm centre to centre & 40 mm long dry wall S.S. screws. The exposed bottom portion of all T-sections used in false ceiling support system shall be pre-painted with polyester baked paint, for all heights. The work shall be carried out as per specifications, drawings and as per directions of the engineer-in-charge.With 20 mm thick beveled tegular mineral fibre false ceiling tile (NRC 0.7) 21 Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete 22 Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete 23 Distempering with1st quality acrylic distemper (readymixed) having VOC content less than 50gram/litre, of approved manufacturer and of required shade and colour all complete to achieve even shade and colour : New work (two or more coats) over and including waterthinnable priming coat with cement primer having VOC content less than 50 gram/litre 24 Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 ltr/10 sqm) 25 Dismantling Rolling shutter includingstacking of material within 50 metres lead : 26 Supplying and fixing rolling shutters of approved make, made of required size M.S. 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 27.5 cm long wire springs manufactured from high tensile steel wire of adequate strength conforming to IS: 4454 - part 1 and M.S. top cover of required thickness for rolling shutters.80x1.25 mm M.S. laths with 1.25 mm thick top cover 27 Providing and fixing ball bearing for rolling shutters. 28 Credit for dismantled rolling shutter 29 Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : : Two or more coats on new work
