Tender For Repair Work Of Substation At Meity; 1 Repair Work of Sub-station at MeitY 2 Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge 3 Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix 4 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 5 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) 6 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. 7 40 mm thick with 20 mm nominal size stone aggregate 8 Neat cement punning 9 Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead 10 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 11 Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth complete. 12 Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour. 13 Two coats 14 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. 15 80x1.25 mm M.S. laths with 1.25 mm thick top cover 16 Providing and fixing ball bearing for rolling shutters. 17 Extra for providing mechanical device chain and crank operation for operating rolling shutters. 18 Exceeding 10.00 sqm and upto 16.80 sqm in the area 19 Providing and fixing in position collapsible steel shutters with vertical channels 20x10x2 mm and braced with flat iron diagonals 20x5 mm size, with top and bottom rail of T-iron 40x40x6 mm, with 40 mm dia steel pulleys, complete with bolts, nuts, locking arrangement, stoppers, handles, including applying a priming coat of approved steel primer. 20 Providing corrugated G.S. sheet roofing including vertical / curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets 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. 21 1.00 mm thick with zinc coating not less than 275 gm/m² 22 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. 23 Hot finished welded type tubes 24 Applying priming coat: 25 With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works 26 Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : 27 Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture 28 12 mm cement plaster finished with a floating coat of neat cement of mix : 29 1:3 (1 cement: 3 fine sand) 30 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 31 75mm average thickness 32 Providing and fixing hard drawn steel wire fabric of size 75 x25 mm mesh or other suitable size wire mesh to be fixed & firmly anchored to the concrete surface by means of L shaped mild steel shear key welded with existing reinforcement including the cost of materials, labour, tool & plants as approved by Engineer-in-charge. 33 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. 34 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 35 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. 36 Bars upto 12 mm diameter 37 Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge. 38 Upto and including 12mm dia 39 Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth leve 40 Thermo-Mechanically Treated bars of grade Fe-500D or more 41 Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc. 42 Internal work - Exposed on wall 43 15 mm dia nominal bore 44 Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete : 45 15 mm nominal bore 46 Providing and fixing brass bib cock of approved quality : 47 15 mm nominal bore 48 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) : 49 For fixed portion 50 Powder coated aluminium (minimum thickness of powder coating 50 micron) 51 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) 52 Powder coated aluminium (minimum thickness of powder coating 50 micron) 53 Providing and fixing 12 mm 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 engineerin-charge. 54 Pre-laminated particle board with decorative lamination on one side and balancing lamination on other side 55 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): 56 With float glass panes of 4.0 mm thickness (weight not less than 10kg/sqm) 57 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. 58 With stainless steel cover plate minimum 1.25 mm thickness 59 Providing and fixing aluminium tubular handle bar 32 mm outer dia, 3.0 mm thick & 2100 mm long with SS screws etc .complete as per direction of Engineer-in-Charge. 60 Powder coated minimum thickness 50 micron aluminium tubular handle bar 61 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. 62 Providing and fixing chromium plated brass 100 mm mortice latch and lock with 6 levers and a pair of lever handles of approved quality with necessary screws etc. complete 63 Rough cast plaster upto 10 m height above ground level with a mixture of sand and gravel or crushed stone from 6 mm to 10 mm nominal size, dashed over and including the fresh plaster in two layers, under layer 12 mm cement plaster 1:4 (1 cement : 4 coarse sand) and top layer 10 mm cement plaster 1:3 (1 cement : 3 fine sand) mixed with 10% finely grounded hydrated lime by volume of cement 64 Ordinary cement finish using ordinary cement 65 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. 66 In stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete 67 Providing & Fixing decorative high pressure laminated sheet of plain / wood grain in gloss / matt/ suede finish with high density protective surface layer and reverse side of adhesive bonding quality conforming to IS : 2046 Type S, including cost of adhesive of approved quality. 68 1.5 mm thick 69 Providing and fixing wooden moulded beading to door and window frames with iron screws, plugs and priming coat on unexposed surface etc. complete : 70 2nd class teak wood 71 50x12 mm 72 Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturers specifications including appropriate priming coat, preparation of surface, etc. complete. 73 On concrete work 74 Providing, erecting, maintaining and removing temporary protective screens made out of specified fabric with all necessary fixing arrangement to ensure that it remains in position for the work duration as required by the Engineer-in-charge. 75 Wooven PVC cloth 76 Centering and shuttering including strutting, propping etc. and removal of form for 77 Suspended floors, roofs, landings, balconies and access platform 78 Disposal of moorum/building rubbish/ malba/ similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead upto 20 km for all lifts, complete as per directions of Engineer-in-charge. 79 Providing and fixing in wall lining medium density fibre board IS: 12406 marked,12 mm thick MDF board, with necessary fixing arrangement and screws etc. complete 80 Providing and placing micro concrete of M40 gradewhich shall be cement based prepacked single componenant chloride free non shrink free flow raft compaction ready from approved manufacturer (Pidilite,Hilti, Sika,BASF, Forsoc or equivalent make) as per specification and direction of Engineer in charge. (Payment under thickness shall be made only after proper wet curing has been done and surface has satisfactory revaluated by sanding/taping with blunt metal instrument of grade M40 for minor RCC repairs etc completed as per direction of Engineer in charge . 81 Credit for MSSteel scrap (like gate channel,shutter etc)