Tender For Civil Maintenance Works At Satellite Earth Station Kulpi, 24 Pgs South.; 1 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) 2 Providing and fixing up to floor five level precast cement concrete string or lacing courses, copings, bed plates, anchor blocks, plain window sills, shelves, louvers, steps, stair cases, etc. including hoisting and setting in position with cement mortar 1:3 (1 Cement : 3 coarse sand), cost of required Centering complete. 3 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20mm nominal size derived from natural sources). 4 Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer’s specification. 5 Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 6 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) 7 Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 8 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III)derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) 9 Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III)derived from natural sources : 3 graded stone aggregate 20 mm nominal sizederived from natural sources). 10 Centering and shuttering including strutting, propping etc. and removal of form for : 11 Lintels, beams, plinth beams, girders, bressumers and cantilevers 12 Columns, Pillars, Piers, Abutments, Posts and Struts 13 Suspended floors, roofs, landings, balconies and access platform with water proof ply 12 mm thick 14 Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. 15 Thermo-Mechanically Treated bars of grade Fe-500D or more. 16 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 : 17 Cement mortar 1:4 (1 cement : 4 coarse sand) 18 Half brick masonry 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. 19 Cement mortar 1:3 (1 cement :3 coarse sand) 20 Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length (hold fast lugs or dash fastener shall be paid for separately). 21 Kiln seasoned and chemically treated hollock wood. 22 Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete. 23 Fixed to openings /wooden frames with rawl plugs screws etc. 24 Providing and fixing aluminium die cast body tubular type universal hydraulic door closer (having brand logo with ISI, IS : 3564, embossed on the body, door weight upto 35 kg and door width upto 700 mm), with necessary accessories and screws etc. complete. 25 Providing and fixing ISI marked aluminium butt hinges anodised (anodic coating not less than grade AC 10 as per IS: 1868) transparent or dyed to required colour or shade with necessary screws etc. complete: 26 Note:- Aluminium hinges shall not be used in wooden shutters , Stainless steel hinges shall be preferred 27 125x75x4 mm 28 100x63x3.2 mm 29 Providing and fixing ISI marked IS:1341 oxidised M.S. pressed butt hinges with necessary screws etc. complete. (Copper oxidised as per IS 1378) 30 125x65x2.12 mm 31 100x58x1.90 mm 32 Providing and fixing oxidised M.S. casement stays (straight peg type) with necessary screws etc. complete (Copper oxidised as per IS 1378) 33 300 mm weighing not less than 330 grams 34 Providing and fixing IS : 12817 marked stainless steel butt hinges with stainless steel screws etc. complete : 35 125x64x1.90 mm 36 100X58X1.90 mm 37 Providing and fixing bright finished brass 100 mm mortice latch and lock with 6 levers and a pair of lever handles of approved quality with necessary screws etc. complete. 38 Providing and fixing aluminium sliding door bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade with nuts and screws etc. complete : 39 300x16 mm 40 Providing and fixing aluminium tower bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade with necessary screws etc. complete : 41 200x10 mm 42 150x10 mm 43 Providing and fixing aluminium handles ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade with necessary screws etc. complete : 44 125 mm 45 Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/appropriate Z sections and other sections of approved make conforming to IS: 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / paneling, C.P. brass/ stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (Glazing, paneling and dash fasteners to be paid for separately) : 46 For fixed portion 47 Anodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15) 48 For shutters of doors, windows & ventilators including providing and fixing hinges/ pivots and making provision for fixing of fittings wherever required including the cost of EPDM rubber / neoprene gasket required (Fittings shall be paid for separately). 49 Anodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15) 50 Providing and fixing 12mm thick prelaminated particle board flat pressed three layer or graded wood particle board conforming to IS:12823 Grade l Type ll, in panelling fixed in aluminum doors, windows shutters and partition frames with C.P. brass / stainless steel screws etc. complete as per architectural drawings and directions of engineer-in-charge. 51 Pre-laminated particle board with decorative lamination on one side and balancing lamination on other side. 52 Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of engineer-in-charge . (Cost of aluminium snap beading shall be paid in basic item): 53 With float glass panes of 4.0 mm thickness (weight not less than 10 kg/sqm) 54 Providing and fixing double action hydraulic floor spring of approved brand and manufacture conforming to IS : 6315, having brand logo embossed on the body / plate with double spring mechanism and door weight upto 125 kg., for doors, including cost of cutting floors ,embedding in floors as required and making good the same matching to the existing floor finishing and cover plates with brass pivot and single piece M.S. sheet outer box with slide plate etc. complete as per the direction of Engineer-in-charge. 55 With stainless steel cover plate minimum 1.25 mm thickness. 56 Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 57 Fixing standard steel glazed doors, windows and ventilators in walls, including fixing of float glass panes with glazing clips and special metalsash putty of approved make, or metal beading with screws, (only steel windows, glass panes cut to size and glazing clips or metal beading with screws, shall be supplied by department free of cost. 58 Fixing with 15x3 mm lugs 10 cm long embedded in cement concrete block 15x10x10 cm of C.C. 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size). 59 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. 60 In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works. 61 Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. 62 40 mm thick with 20 mm nominal size stone aggregate 63 Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm 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 /seIf 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. 64 15 mm cement plaster on rough side of single or half brick wall of mix : 65 1:4 (1 cement: 4 coarse sand) 66 Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers. 67 Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of approved manufacturer, of required shade and colour all complete : 68 New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than 50 gram/litre 69 Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : 70 Two or more coats on new work. 71 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. 72 Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-harge. 73 With cement mortar 1:4 (1 cement : 4 fine sand). 74 Renewing glass panes, with putty and nails wherever necessary including racking out the old putty: 75 Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm). 76 Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer, 3 mm thick water proofing membrane, black finished reinforced with glass fibre matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm by the samemembrane manufactured 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 350/300 N/5 cm. 77 Tear strength in longitudinal and transverse direction as 60/80N. 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 : 78 3 mm thick 79 Removing & refixing Aluminium door shutter with frame for smooth operation including taking out door with frame, dismembering aluminium door sections, taking out panelling, reassembling the door shutter with aluminium cleats with screws, rivets & refixing the available panelling in position with snap beading & fixing the shutter in position with necessary stainless steel hinges with rivets or pivots with necessary screws etc complete as directed by the Engineer In charge. 80 Of area upto 2.00 Sqm 81 Providing and fixing white vitreous china pedestal type water closet (European type W.C. pan) with seat and lid, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever), conforming to IS : 7231, with all fittings andfixtures complete, including cutting and making good the walls and floors wherever required : 82 W.C. pan with ISI marked white solid plastic seat and lid 83 Providing and fixing white vitreous china wash basin including making all connections but excluding the cost of fittings : 84 Flat back wash basin of size 550x400 mm. 85 Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete. 86 Semi rigid pipe 87 32 mm dia 88 Providing and fixing 600x450 mm beveled edge mirror of superior glass (of approved quality) complete with 6 mm thick hard board ground fixed to wooden cleats with C.P. brass screws and washers complete. 89 Providing and fixing PTMT towel rail complete with brackets fixed to wooden cleats with CP brass screws with concealed fittings arrangement of approved quality and colour. 90 600 mm long towel rail with total length of 645 mm, width 78 mm and effective height of 88 mm, weighing not less than 190 gms. 91 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall 92 20 mm nominal outer dia. Pipes. 93 25 mm nominal outer dia .Pipes. 94 32 mm nominal outer dia. Pipes. 95 Providing and fixing uplasticised PVC connection pipe with brass unions : 96 30 cm length 97 15 mm nominal bore 98 45 cm length 99 15 mm nominal bore 100 Providing and fixing PTMT bib cock of approved quality and colour. 101 15mm nominal bore, 86 mm long. Weighing not less than 88 gms. 102 Providing and fixing PTMT stop cock of approved quality and colour. 103 15 mm nominal bore, 86 mm long. Weighing not less than 88 gms. 104 Providing and fixing PTMT pillar cock of approved quality and colour . 105 15mm nominal bore, 107 mm long. Weighing not less than 110 gms. 106 Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank. 107 Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. 108 The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge. 109 Note :- (1) The elevational area of the scaffolding shall be measured for payment purpose. 110 (2) The payment will be made once only for execution of all items for such works. 111 Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge 112 75 mm average thickness 113 50 mm average thickness 114 25 mm average thickness 115 Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge. 116 Bars upto 12 mm diameter 117 Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. 118 SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer 119 Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. 120 Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2). 121 25 mm average thickness in 2 layers. 122 Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members having minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness. 123 Note: Rates shall be for finished surface area of concrete and shall include the cost of labour, concrete and appropriate approved Super- Plasticiser for rendering concrete as flowable and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering, strutting, propping etc. 124 (Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/ tapping with a blunt metal instrument) 125 50mm thick in Grade M 25 with cement content not less than 330 kg per cum 126 75mm thick in Grade M 25 with cement content not less than 330 kg per cum 127 Providing and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/ masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in- Charge. (The payment shall be made on the basis of actual weight of approved grout injected.) 128 Stirrer mixed Acrylic Polymer of approved make @ 2% of weight of cement used) modified Cement slurry made with non shrink compound in concrete/RCC work 129 Providing and inserting 12mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20mm to 30mm) up to depth from 30mm to 80mm at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer-In-Charge. 130 Providing and fixing internal wall panels on Light gauge steel frame work with 12.5mm thick gypsum plaster board conforming IS 2095:2011 fixed on cement board as per standard sizes fixed with self-drilling / taping screws / fasteners @ 60cm c/c of approved make, self-drilling / taping screws / fasteners @ 60cm c/c of approved make, or 8 to 10 gauge of length varying from 25 to 45 mm. Proper taping and jointing to be done using fiber mesh tape and epoxy and acrylic based jointing compound for seamless finish. (cost of frame work to be paid for separately 131 Cement Fiber Board 8 mm thick of Type B, Category III as per IS 14862:2000 (High pressure Steam Cured) 132 Applying SIKA TOP ARMETEK 108 or equivalent @ 0.7 Kg/sqm for anti-corrosion of reinforcement area as per manufacturer specification and direction of E-I-C 133 Styles and rails of wooden shutters fitted and fixed complete. (Payment to be made on area of new work only). In Ground Floor: 134 35mm Thick shutter. 135 Other Local Wood. 136 Easing door and windows steel or wood 137 Providing and fixing on wall face unplasticised - PVC moulded fittings/accessories for unplasticised Rigid PVC soil pipes conforming to IS 13592 Type B, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion 138 Single tee with door 139 110x110x110 mm 140 Bend 87.5° 141 110 mm bend 142 Bend with door 143 110 mm bend 144 Providing and fixing on wall face unplasticised Rigid PVC soilpipes conforming to IS : 13592 Type B, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes 145 Flush pointing to brick work in cement mortar (1:4) including raking out joints. 146 Repairing crack in wall by cement grouting (1 : 2) includingwidening the crack on the surface (into V section) cleaningand packing the same with cement mortar (1 : 2) and finishing off to match with adjacent surface. 147 (Cement-69 Kg/100 m) 148 Stitching crack in brick wall by carefully cutting out facebrick 125 mm. deep into the wall, cleaning the gap andfilling up the same with precast cement concrete block carefully set in cement mortar (1:3) including mending gooddamages and finishing the surface to match with adjacentareas complete as per direction (1.85 Kg/Pc) 149 (i) With plain cement concrete blocks(1:1½:3) with stonechips. 150 Block size 250 x 125 x 75 mm. 151 (Cement-1.85 Kg/No.) 152 Stitching crack in brick wall by carefully cutting out facebrick 250 mm. long, 75 mm. thick and 125 mm deep into thewall,cleaning the gap and filling up the same with sound new 153 brick, carefully set in cement mortar (1:3) including mending good damages and finishing the surface to match withadjacent areas complete as per direction. ( 1 Kg/No)
