Tender For Annual Repair And Maintenance Of Work At Fsd Raiganj; 1 Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairsto scratches etc. complete 2 Raking out joints in lime or cement mortar and preparing the surface for re-pointing or replastering, including disposal of rubbish to the dumping ground, all complete as per direction ofEngineer-in-Charge 3 12 mm cement plaster of mix:1:6 (1 cement : 6 fine sand) 4 Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content: With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre 5 White washing with lime to give an even shade: Old work (Two or more coats) 6 Distempering with 1st quality acrylic distemper (ready mixed) having VOC (Volatile Organic Compound ) content less than 50 gram/litre of approved brand and manufacturer including applying additional coats wherever required to achieve even shade and colour. Old work (one or more coats) 7 Finishing walls with Acrylic Smooth exterior paint of required shade :Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface 8 Applying priming coat: With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work (second coat) 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 Grading roof for water proofing treatment with Cement concrete 1:2:4(1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) 11 Renewing glass panes, with putty and nails wherever necessary including racking out the old putty: Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm) 12 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. Cement mortar 13 Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth upto 50 m and lift upto 1.5 m, as directed by Engineer‐in‐ Charge: All kinds of soil 14 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering ‐ All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone‐III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) 15 Centering and shuttering including strutting, propping etc. and removal of form for : Edges of slabs and breaks in floors and walls Under 20 cm wide 16 Centering and shuttering including strutting, propping etc. and removal of form for: Edges of slabs and breaks in floors and walls Above 20 cm wide 17 Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone‐III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75mm thick bed of dry brick ballast 40 mm nominal size,well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth. 18 6 mm cement plaster of mix : 1:3 (1 cement : 3 fine sand) 19 Neat cement punning. 20 Supply , installation, testing & commissioning of turbo ventilators size 22” in stainless steel 430 grade having approximate weight 4.85kg. The ventilator should have air absorption of 7 kg / hr, 2440 CFM with blade length 369mm wings of 80mm, outer wings : =22” ‐ 24 nos inner wings 22 ‐ 6 Nos., with self lubricating ball bearings etc., complete as per manufacturers specifications and as per directions of Engineer‐in‐ charge. 21 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1:4 (1 cement : 4 coarse sand) 22 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 shape and sizes in :Cement mortar 1:4 (1 cement : 4 coarse sand) 23 Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: Asbestos Cement sheet 24 Providing and fixing pre coated galvanized iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) of total coated thickness 0.50mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) 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 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 up to 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 up to 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. 25 Providing and fixing pre coated galvanized steel sheet roofing accessories of total coated thickness 0.50mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) 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 using self drilling/ self tapping screws complete : Ridges plain (500 - 600mm) 26 Providing and fixing pre coated galvanized steel sheet roofing accessories of total coated thickness 0.50mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) 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 using self drilling/ self tapping screws complete : Flashings/ Aprons.( Upto 600 mm) 27 Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (including equivalent design mix) 28 Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer ‐ in ‐ charge Nominal concrete 1:4:8 or leaner mix (including equivalent design mix) 29 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering ‐ All work up to plinth level : 1:4:8 (1 Cement : 4 coarse sand (zone‐III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) 30 Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) finished with a floating coat of neat cement including cement slurry but excluding the cost of nosing and steps etc complete 50 mm thick with 20 mm nominal size stone aggregate 31 Providing and fixing glass strips in joints of terrazo/ cement concrete floors.50 mm wide and 4 mm thick 32 Dismantling barbed wire or flexible wire rope in fencing including making rolls and stacking within 50 metres lead. 33 Fencing with R.C.C. post placed at required distance, embedded in cement concrete blocks, every 15th post, last but one end post and corner post shall be strutted on both sides and end post one side only, provided with horizontal lines and two diagonals of barbed wire weighing 9.38 kg per 100 metres (minimum), between the two posts fitted and fixed with G.I. staples on wooden plugs or G.I. binding wire tied to 6 mm bar nibs fixed while casting the post (cost of R.C.C. posts, struts, earth work and concrete to be paid for separately) :‐Payment to be made per metre cost of total length of barbed wire used.With G.I. barbed wire 34 Taking out doors, windows and clerestory window shutters(steel or wood) including stacking within 50 metres lead :Of area beyond 3 sq. metres 35 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 36 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 37 Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer 3 mm thick water proofing membrane, black finished reinforced with non‐woven polyester matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm by the same membrane manufacture of density at 25°C, 0.87‐0.89 kg/litre and viscocity 70‐160 cps. Over the primer coat the layer of membrane shall be laid using Butane Torch and sealing all joints etc, and preparing the surface complete. The vital physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 650/ 450N/5cm. Tear strength in longitudinal and transverse direction as 300/250N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto ‐2°C when tested in accordance with ASTM,D ‐ 5147. The laying of membrane shall be got done through the authorised applicator of the manufacturer of membrane :3 mm thick 38 Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames , guard bar, ladder, railings, brackets, gates and similar works. 39 Credit of old iron to the agency 40 Credit of Old AC Sheet to the agency
