Repair and Maintenance of Mechanical Office at Power House Leimatak.

Amount

Earth work in excavation in foundation trenches or drains including dressing of sides and ramming of bottoms lift upto 1.5m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50m. b) Hard/Dense Soil.

Dismantling of old plaster or skirting out & cleaning the surface for re-plaster i/c disposal of rubbish within 50m

Dismantling doors, windows and clerestory windows ventilators etc (wood or steel) shutters including choukats, architraves, hold fasts and other attachments etc. complete and stacking the within 50 m lead not exceeding 3 sqm in area.

Taking out doors, windows and clerestory windows shutters (wood or steel) including stacking within 50 m lead. Not exceeding 3 sqm in area.

Reinforced cement concrete works in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc upto floor five level excluding cost of centering, shuttering, finishing and reinforcement: 3.2.2) 1:1.5:3 (1 cement: 1.5 coarse sand: 3 graded stone aggregate 20 mm nominal size)

Providing and laying cement concrete in foundation and plinth excluding the cost of centering and shuttering in 1:3:6 (1 cement: 3 coarse sand: 6 graded stone aggregate).

Providing form work including centering and shuttering so as to give a rough finish, strutting and propping etc height of propping and centering below supporting floor to ceiling not exceeding 4 m and removal of the same for in situ reinforced concrete and plain concrete work in 4.1.7.1 , columns,, pillars posts and struts ( square, rectangular or polygon in plan).

Steel Reinforcement for RCC work including straightening, cutting, bending, placing in position and binding all complete 3.12.2 : Thermo mechanically treated bars.

2nd class (local first class) brick work in foundation and plinth in cement mortar 1:4 (1 cement : 4 fine sand).

Half brick masonry 2nd class (Local 1st class) in cement mortar 1:3 (1 cement: 3 coarse sand) in super structure.

Honeycomb brick work (75 mm) thick with first class brick in cement mortar 1:4 (1 Cement 4 Course Sand).

6 mm cement plaster to ceiling 1:3 (1 cement :3 fine sand)

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to stretches etc. complete.

Steel work in built up tubular trusses including cutting, hoisting, fixing in position and applying a coat of approved steel primer red oxide zinc chrome primer confirming to IS 2074-1979 welded and bolted including special shape washer etc complete 10.65.1 Electric resistant welded tube ( Confirming to IS:1611-1979)

Trapezoidal pre-painted profile sheet roofing of approved brand DYNA Roof or equivalent with self drilling screws of 68 mm long xylon coated screws with PVC washer & caps complete, excluding the costs of purlin & trusses. Pre-painted Galvanized Iron Sheet (PPGL) ii) Profile sheet 0.40 mm /3.2 Kgs/Sqm.

Trapezoidal pre painted profile sheet for ridge gutter or valley 610 mm wide of approved brand DYNA roof or equivalent fixed with selt drilling screws of 68 mm long xylon coated screw with PVC washer and caps completed, excluding the cost of purlin and rafter & trusses. Pre-painted Galvanized Iron Sheet (PPGL) ii) Profile sheet 0.40 mm /3.2 Kgs/Sqm

Providing & Fixing false ceiling at all height including providing and fixing of frame work made of special sections, power pressed from MS sheets and galvanized with zinc coating of 120 gms/sqm (both side inclusive) as per IS277 and consisting of angle cleats of size 25 mm widex1.6 mm thick with flanges of 27 mm flanges of 20 mm and 30 mm long, the perimeter of ceiling fixed to wall/partition with help of rawl plugs at 450 mm centre, with 25 mm long dry wall screws @ 230 mm interval , including fixing of gypsum board to 10.61.2 Fully perforated Gypsum Plaster board of size 1200x2400x12.5 mm having approximate 15% perforated area with perforation size and pattern as approved by the Engineer in charge.

15 mm cement plaster 1:4 (1 cement: 4 coarse sand)

Painting (2 or more coats) with plastic emulsion paint of approved quality on old work to give an even shade .

Providing & 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.

Finishing walls with weather shield paint of approved quality on new work (three or more coat to give even shade)

Reinforcement cement concrete work in beams, suspended floors, roofs having slope upto 15°landing, balconies, shelves & chajjas, lintels, bands, plain window sills, staircases and spiral staircase upto floor five level excluding the cots of centering, shuttering, finishing and reinforcement, with 1:1.5:3(1 cement :1.5 coarse sand:3 graded stone aggregate 20mm nominal size).

Painting on wall with (two coats) of Deluxe Acrylic emulsion (supreme 3 in 1) paint or equivalent of approved quality in all shades on new works to give an even shade.

Removing old paint with paint remover of approved manufacturer & preparing surface.

Providing wood work in frames of doors, windows, clerestory windows & other frames, wrought framed & fixed in position 7.1.3 - Local best quality Leihao.

P/F 38 mm thick panelled, glazed or panelled and glazed shutters for doors, windows and clerestory windows i/c bright finished brass hinges 9 with ordinary type) with necessary screws . 7.4.3 Local best quality Leihao/Tolhao.

Aluminium glazed windows and ventilators of standard aluminium extrusion section joints mitred and riveted/screwed with 15x3 mm lugs 10 cm long with steel plugs embedded in cement concrete blocks 15x10x10 cm of 1:3:6 ( 1 cement:3 coarse sand:6 stone aggregate 20 mm nominal size) or wooden plugs and screws or fixing clips with bolts and nuts as required including providing and fixing of glass panes 4 mm thick, projecting hinges, handles peg stays, bolting devices, locking arrangements, spring catch & aluminium clips beadings etc as required complete 10.70.2 Readymade aluminium windows (side hugs)

Providing and fixing 12 mm thick frameless toughened glass door shutter of approved brand and manufacture, including providing and fixing top & bottom pivot & spring type fixing arrangements and making necessary holes etc for fixing required door fittings, all complete as per direction of Engineer in charge (Door handle, lock and stopper etc to be paid separately.

Providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than .08% and confirming to IS15622 of approved make in all colours and shades, laid on 20 mm thick cement mortar 1:4 9 1 cement:4 coarse sand) including grouting the joints with white cement and matching pigments etc, complete Size of tile 600x600 mm (double charged) branded.

Providing and laying rectified (non-skid) Glazed Ceramic floor tiles 300x300 mm or more (thickness to be specified by the manufacturer) of 1st quality confirming to IS 15622 of approved make in all colours, shades, except White, Ivory, Grey, Fume Red, Brown, laid on 20 mm thick cement Mortar 1:4 (1 cement: 4 Coarse sand) including pointing the joints with white cement and matching pigments, complete.

White glazed tiles 10 mm thick in skirting, risers & dado on 10 mm thick cement plaster 1:3 (1 cement:3 coarse sand) jointed with white cement slurry.

Extra if coloured tiles are used in place of white glazed tiles

Painting two or more coats (excluding priming coat) with superior ready mixed paint for wood work of approved quality in all shades on new work to give an even shade.

Providing and fixing floor mounted, white vitreous china single piece, double trap symphonic water closet of approved brand/make, shape, size and pattern including integrated white vitreous china cistern of capacity 10 litres with dual flushing system, including all fittings and fixtures with seat cover, cistern fittings, nuts, bolts and gasket etc including making connection with the existing P/S trap, complete in all respect as per directions of Engineer in charge.

Providing and fixing wash basin with CI Brackets, 15 mm CP brass pillar taps, 32 mm CP brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever required. White Vitreous china Wash basin size 550x400 mm with pair of 15 mm CP.

Providing and fixing 610x20 mm Diplomat brass towel rail complete with CP brass brackets fixed to wooden cleats with CP brass screws.

Providing and fixing CP brass toilet paper holder.

Providing and fixing liquid soap container of glass with CP lid and brackets fixed to wooden cleats with CP brass screws.

Providing and fixing CP brass bib cock of approved quality confirming to IS 8931, 15 mm nominal bore

Providing and fixing mirror of superior glass (of approved quality) and of required shape and size with plastic moulded frame of approved make and shade with 6 mm thick hard board backing: Rectangular shape 1500x450 mm

Providing and fixing CP brass stop cock (concealed) of standard design and approved make confirming to IS 8931, 15 mm nominal bore.

Providing and fixing CP brass angle valve for basin mixer & geyser points of approved make confirming to IS 8931, 15 mm nominal bore.

Providing and fixing 600x120x5 mm glass shelf (Indian make) with CP brass brackets guards nail complete fixed to wooden cleats with C.P. brass screws.

Providing and fixing Chlorinated polyvinyl Chloride (CPVC) pies, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipes with clamp at 1 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of hunts complete as per direction of Engineer in charge Concealed work, including cutting chases and making good the 25.53.1 15 mm nominal outer dia pipes.

Providing and fixing stainless steel (grade 304) railing made of hollow tubes, channels, plates etc including welding, grinding, buffing, polishing, and making curvature (wherever required) and fitting the same with necessary stainless steel.

Providing and fixing Brass Nickel Finish Ringer H Nickel Silver Glass Door Handle including necessary screw, nut etc complete.

Providing and fixing Gibson Glass To Glass Lock including necessary screw, nut etc complete.

Providing and fixing aluminium sliding bolts bright finished or black enamelled with nuts & screws etc complete, 300x16 mm.

Providing and fixing aluminium tower bolts (barrel type) with screws etc. complete 7.90.3 150x10 mm.

Providing and fixing aluminium handles with necessary screws etc complete 7.93.1 125 mm.

Providing and fixing aluminium hanging door stopper, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS 1868) transparent or dyed to required colour and shade, with necessary screws etc. complete 7.99.2 Twin rubber stopper.

Providing and fixing UPVC soil, waste, rain water and vent pipes including all requisite fittings, joining of pipes and fittings with solvent cement, trenching, refilling & testing of joints complete as per direction Engineer-in-Charge 24.88.2 , 110 mm.

Neat cement punning.

Removal of old broken glass panes (any thickness of size quality or description) from wood frames fixed with beads or putty.

Renewing glass panes, with putty and nails wherever necessary including Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm).

Providing and fixing PVC traps with 100 mm inlet and 100 mm outlet of self cleaning design with screwed down of hinged grading with or without vent arm complete i/c cost of cutting and making good the walls and floors.

Providing and fixing PVC low level flushing cistern with manually controlled device (handle lever) confirming to IS 7231, with all 10 Lt capacity-white.

Add EPF @ 3.25%

Add CESS @ 1%

Add GST @ 18%

M/s RK KESHORJIT SINGH

M/S. R. K. ROMEO SINGH