Tender For Minor Capital Work At Fsd Jiribam For The Year 2025-26 Subhead Replacement Of Existing Cgs Sheet Roofing With Precoated Galvanised Iron Profile Sheet Roofing For Godown No1.; 1 Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.15.2.1 Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) 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 Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: 15.28.1 G.S. Sheet 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, anchorblocks, plain window sills, fillets,sunken floor etc., up to floor five level, excluding the costofcentering,shuttering and finishing : 1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) 5 Centering and shuttering including strutting, propping etc. and removal of form for :Lintels, beams, plinth beams, girders, bressumers and cantilevers 6 Providingandfixing Toba Blue colourprecoatedgalvanisedironprofilesheets(size,shapeandpitchof corrugationasapprovedbyEngineer-in-Charge)oftotalcoatedthickness0.50mm(base metal of minimum 0.45mm thickness with total coating thickness of 0.05mm) with 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. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 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. (Approved Make: TATA BlueScope , JSW, Everest, Sail , Charminar Galvo Colour/Bhusan and Aarti Suraksha) 7 Providing and fixing Toba Blue Colour precoatedgalvanisedironprofilesheets(size,shapeandpitchof corrugationasapprovedbyEngineer-in-Charge)oftotalcoatedthickness0.50mm(base metal of minimum 0.45mm thickness with total coating thickness of 0.05mm) with 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 microns using self drilling/ self tapping screws complete. Profiled ridge (950 to 1000 mm) 8 Providing and fixing radial exhaust turbo ventillators/extractor capacity of minimum 100cuft per minute air circulated fan of 22 throat dia weight of 5.5kg having throat dia wind ventillator with FRP base plate, including cost of fixing turbo/wind ventillator on new 0.50mm thick pre-coated GI profile sheet roofing on godown roof lincluding the cost of transportation of all materials tools and plants, fixtures & fastenings. Labour, insurance, safety measures etc and as directed by the Engineer in charge including guarantee of turbo ventillators of minimum 03 years and performance warranty etc complete. 9 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 10 Extra for providing and fixing wind ties of 50x 6 mm flat iron section. 11 Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10 mm and down guage),finishing with cement mortar 1:3 (1 cement : 3 fine sand as per standard design: In 75X75 mm deep chase 12 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 1:6 (1 cement : 6 coarse sand) 13 18 mm cement plaster in two coats under layer 12 mm thick cement plaster 1:5 (1 cement : 5 coarse sand) finished with a top layer 6 mmthick cement plaster 1:6 (1 cement : 6 fine sand) 14 Deduct cost of salvagable materials received from the work of dismantling work on as is where is condition includingremoving from the site - CGS Sheet
