Civil and Electrical SR works, as per detailed NIT, at ESIC Regional Office and Staff Quarters at Nungambakkam, Chennai-600034

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.

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 40 mm nominal size derived from natural sources)

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.Hot finished welded type tubes.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :Two or more coats on new work.

Finishing walls with Acrylic Smooth exterior paint of required shade :Old work (One or more coat applied @ 0.90 ltr/10 sqm).

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness 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.

Providing and fixing 18 mm thick gang saw cut, mirror polished, premoulded and prepolished, machine cut for kitchen platforms, vanity counters, window sills, facias and similar locations of required size, approved shade, colour and texture laid over 20 mm thick base cement mortar 1:4 (1 cement : 4 coarse sand), joints treated with white cement, mixed with matching pigment, epoxy touch ups, including rubbing, curing, moulding and polishing of edges to give high gloss finish etc. complete at all levels.Granite stone slab of all colour and texture except black, Cherry/ Ruby red.Area of slab over 0.50 sqm

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 nuts and bolts complete, i/c fixing the railing with necessary accessories & stainless steel dash fasteners , stainless steel bolts etc., of required size, on the top of the floor or the side of waist slab with suitable arrangement as per approval of Engineer-in charge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts, fasteners etc.).

Kota stone slab flooring over 20 mm (average) thick base laid over and jointed with grey cement slurry mixed with pigment to match the shade of the slab, including rubbing and polishing complete with base of cement mortar 1 : 4 (1 cement : 4 coarse sand) :25 mm thick

Dismantling wooden boardings in lining of walls and partitions, excluding supporting members but including stacking within 50 metres lead :Thickness above 25 mm up to 40 mm

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

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) : For fixed portion:Powder coated aluminium (minimum thickness of powder coating 50 micron)

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) : 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):Powder coated aluminium (minimum thickness of powder coating 50 micron)

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 engineer in-charge.Pre-laminated particle board with decorative lamination on both sides

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):With float glass panes of 4.0 mm thickness (weight not less than 10kg/sqm)

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.

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 :100 mm

Providing and fixing aluminium hanging floor 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: Single rubber stopper

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 :250x16 mm

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 :100x10 mm

Providing and fixing false ceiling at all height including providing and fixing of frame work made of special sections, power pressed from M.S. sheets and galvanized with zinc coating of 120 gms/sqm (both side inclusive) as per IS : 277 and consisting of angle cleats of size 25 mm wide x 1.6 mm thick with flanges of 27 mm and 37mm, at 1200 mm centre to centre, one flange fixed to the ceiling with dash fastener 12.5 mm dia x 50mm long with 6mm dia bolts, other flange of cleat fixed to the angle hangers of 25x10x0.50 mm of required length with nuts & bolts of required size and other end of angle hanger fixed with intermediate G.I. channels 45x15x0.9 mm running at the spacing of 1200 mm centre to centre, to which the ceiling section 0.5 mm thick bottom wedge of 80 mm with tapered flanges of 26 mm each having lips of 10.5 mm, at 450 mm centre to centre, shall be fixed in a direction perpendicular to G.I. intermediate channel with connecting clips made out of 2.64 mm dia x 230 mm long G.I. wire at every junction, including fixing perimeter channels 0.5 mm thick 27 mm high having flanges of 20 mm and 30 mm long, the perimeter of ceiling fixed to wall/partition with the help of rawl plugs at 450 mm centre, with 25mm long dry wall screws @ 230 mm interval, including fixing of gypsum board to ceiling section and perimeter channel with the help of dry wall screws of size 3.5 x 25 mm at 230 mm c/c, including jointing and finishing to a flush finish of tapered and square edges of the board with recommended jointing compound , jointing tapes , finishing with jointing compound in 3 layers covering upto 150 mm on both sides of joint and two coats of primer suitable for board, all as per manufacturer's specification and also including the cost of making openings for light fittings, grills, diffusers, cutouts made with frame of perimeter channels suitably fixed, all complete as per drawings, specification and direction of the Engineer in Charge but excluding the cost of painting with : 12.5 mm thick tapered edge gypsum moisture resistant board

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 10 km for all lifts, complete as per directions of Engineer-in-charge. Note - item to be applicable in urban areas having directions for restricted hours for movement/ plying of load carrying motor vehicle of 3.5 cum or more.

Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All Kinds of soil.

Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete.

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)

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 :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)

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 size derived from natural sources).

Centering and shuttering including strutting, propping etc. and removal of form for:Lintels, beams, plinth beams, girders, bressumers and cantilevers

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level:Thermo-Mechanically Treated bars of grade Fe-500D or more

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)

Fixing standard steel glazed doors, windows and ventilators in walls, including fixing of float glass panes with glazing clips and special metal-sash 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: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)

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.

15 mm cement plaster on rough side of single or half brick wall of mix:1:4 (1 cement: 4 coarse sand)

Finishing walls with Acrylic Smooth exterior paint of required shade :New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

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

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in-Charge.

Dismantling steel work in single sections including dismembering and stacking within 50 metres lead in:Channels, angles, tees and flats

Supply and installation of an 8' FRP Slide for a children’s park, with slide dimensions of 13' length, 2.2' width, and 6.75' height, and a safe area of 14' x 5' x 9.75' by removing existing 8 feet slide. The slide will be made from durable and weather-resistant Fiber Reinforced Plastic (FRP), and the supporting structure will be constructed with GI (Galvanized Iron) Pipe C-Class to ensure corrosion resistance. The slide will be finished with a glossy polyurethane paint, offering a weather-resistant, child-safe, and vibrant finish. The installation includes removal of existing 8 feet slide, site preparation (clearing and leveling the ground), assembly of the FRP slide, installation of the GI pipe frame, application of the PU paint, and all necessary fittings. Additionally, transportation costs for delivering the materials to the site and labor charges for assembly and installation are included in the item, ensuring a secure and safe play structure.

Supply and installation of a Roller Slide with a height of 5ft and width of 2ft, featuring a sliding chute of 10ft in length. The rollers will be made of 3mm PVC, supported by 1/2 inch GI pipes, with a total of 46 multicolor rollers used. The slide will be coated with polyurethane (PU) paint for enhanced durability and weather resistance. The required product area for installation is 2.5ft x 14ft, with the play area measuring 6ft x 18ft. The installation includes the cost of rollers, GI pipes, PVC material, PU coating, and the labor for site preparation, assembly, and painting of the structure. The estimate also covers transportation costs for delivering materials to the installation site, ensuring a complete and safe installation of the slide.

Supply and installation of a Park Rope Tent Climber with dimensions of 5' length and 2' width. The climber will be constructed using durable PP rope with plastic clamps for enhanced safety. The supporting structure will be made of GI Pipe B and C Class, with a 60ODi 2.5mm thickness top pipe and 48OD side pipes with a 2mm thickness. The installation includes the cost for the PP rope, plastic clamps, GI pipes, necessary fittings, and labor charges for assembling and securing the climber. Transportation costs for delivery of materials to the site are also included, ensuring a complete and safe structure for children's play.

Supply and installation of a 6-seater Park Merry Go Round with a 5.5' diameter by removing existing 4 seater Merry Go Round. The frame will be constructed using MS angle, with a 90OD 2.5mm center pipe and 35x6 L angle supports. The handle will be made from 25OD 2mm GI pipe, ensuring durability. The merry-go-round will feature metal seats, and SKF 6208ZZ bearings will be used for smooth rotation, with two bearings installed. The structure will be finished with a glossy polyurethane paint for a weather-resistant, vibrant finish. The item includes removal of existing 4 seater Merry Go Round, all materials and transportation costs for the delivery of the new merry-go-round to the installation site, along with the necessary labor for assembly and installation, ensuring a secure and enjoyable play structure.

Supply and installation of an Air Walker for a single person with dimensions of 4 feet in length and 3 feet in width. The structure will be supported by GI ‘B’ class pipes with diameters of 25mm, 40mm, and 100mm. Two FRP seats will be bonded to the pipes, providing secure seating for users. The movement will be controlled by heavy-duty double ball bearings for smooth and durable operation. The item includes all necessary materials, installation, and transportation costs, ensuring a stable, safe, and functional air walker for outdoor use.

Supply and installation of an FRP Park Bench with dimensions of 5' length, 2' width, and 3' height. The safe area required for installation is 8' x 5.5' x 6'. The bench will be constructed using Fiber Reinforced Plastic (FRP) for durability and weather resistance, providing a comfortable and long-lasting seating solution for outdoor spaces. The installation includes site preparation, assembly of the FRP bench, and all necessary fittings. Additionally, transportation costs for delivering materials to the site are included in the item, ensuring a secure and well-installed park bench.

Replacement of the existing swing seat by an FRP (Fiber Reinforced Plastic) swing seat of size 2 feet by 1 foot with stainless steel hook arrangements, and installation on the existing stainless steel chain. The work includes removal of the old swing seat, fixing the new FRP seat with stainless steel hooks, ensuring proper alignment and safety while suspending the seat from the existing chain (chain not included). The rate includes the cost of the FRP seat, stainless steel hooks, transportation and labor for installation.

Replacement of the existing see-saw seat with an FRP (Fiber Reinforced Plastic) see-saw seat of size 1 foot by 1 foot and installation on the existing see-saw pole. The work includes the removal of the old see-saw seat, fixing the new FRP see-saw seat with necessary fasteners, and ensuring proper alignment and safety. The rate includes the cost of the FRP see-saw seat, fasteners, transportation, and labor for installation.

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead:For thickness of tiles 10 mm to 25 mm

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 (i/c equivalent design mix)

12 mm cement plaster of mix :1:6 (1 cement: 6 fine sand)

Providing and fixing factory made Fiberglass Reinforced plastics (F.R.P.) chajja 4 mm thick of required colour, size and design made by Resin Transfer Moulding (RTM) Machine Technology, resulting in void free compact laminate in single piece, having smooth gradual slope curvature for easy drainage of water and duly reinforced by 2 nos vertically and 1nos horizontally 50x2 mm thick M.S. flat with 12 mm in built hole for grouting on the existing wall along with the 50 mm flanges duly inserted and sealed in the wall complete in one single piece casted monolithically, including all necessary fittings . The FRP Chajja should be manufactured using unsaturated Polyester resin as per IS: 6746, duly reinforced with fibre glass chopped strand mat (CSM) as per IS: 11551 complete with protective Gel coat U/V coating on Top for complete resistance from the extreme of temperature, weather & sunlight (Only plan area of chajjas shall be measured for making payment).

Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Laying old cement cocrete interlocking paver blocks of any design/shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineerin-charge. (Old CC paver blocks shall be supplied by the department free of cost).

Supplying and fixing 25 A rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying and fixing 40 A rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying and fixing 63 A rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.

Supplying and laying 6 SWG G.I. wire at 0.50 metre below ground level for conductor earth electrode, including connection/ termination with GI thimble etc. as required.

Laying of one number 16 Sq.mm PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. Upto 35 sq. mm

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of Single poles in the existing Junction Box, complete with connections, testing and commissioning etc. as required.

Supply and fixing of GI STEEL TUBULAR POLE FOR STREET LIGHT of 4 metre (76.10mm OD x 3.65mm Thick x 6000mm Length) length with Single Bracket Pole with 250 x 250 x 6mm MS base plate duly welded at the bottom and Painting of pole anti rust & weather proof paint etc… as directed by Engineer In Charge.

Supply and transportation of 16 Sq mm X 4 core coreXLPE insulated, 1100V gradearmoured aluminum cable as per specification confirming to IS:7098 (Part- I)./1554-I U.G. CABLES

Supply & fixing of 205 X 255 X112 Sizes thermo-plastic cable junction boxes with IP66/67 weatherproof, for outdoor installation with knockouts for cable entry including terminals etc., complete (sizes in mm).Makes: Hensel/Sadhrish

Erection charges for 4 Mts long Octagonal pole on bridge kerb portion with 4 Nos, 8" Anchor bolts with chemical treatment with suitable "J" type bolts etc duly drilling holes to RCC slab with V.C.C. M.15concrete for suitable base concreting with necessary steel reinforcement work and curing for 7 days etc. including cost and conveyance of all material and all labour charges etc., complete as directed by the Engineer In Charge.

Removing, shifting of existing street light poles to different location and Erection charges pole on bridge kerb portion with 4 Nos, 8" Anchor bolts with chemical treatment with suitable "J" type bolts etc duly drilling holes to RCC slab with V.C.C. M.15concrete for suitable base concreting with necessary steel reinforcement work and curing for 7 days etc. including cost and conveyance of all material and all labour charges etc., complete as directed by the Engineer In Charge.

Supply & fixing of 2 core, 2.5 Sq mm ISI marked, PVC insulated and sheathed FRLS/FRLS-H round copper cable for voltage up to 1100V as per IS 694/1990 from Juction Box to LED light fitting.

Supply and Fixing of 60 Watt LED Street light Luminaire made of pressure diecast aluminum body with powder coated, having protective toughened glass, supply input voltage 120 - 270V AC, P.F > 0.90, high power LEDs having System Efficacy >= 100 lumens/watt and junction temperature < 70°C, with Ingress protection IP66, Luminaire performance complies to IS 10322 (Part 5/Sec-3), driver surge protection 4KV, inhouse additional Surge protection 10 KV with optics distribution, THD<10% at 110 Volts AC, driver efficiency >90%, CCT: 3000K - 5700K, minimum CRI>70, etc., complete with earth connection and not less than two years warranty.

Supply and Fixing and transportation of120 Sq mm X 4 core XLPE insulated, 1100V grade armoured aluminum cable as per specification confirming to IS:7098 (Part- I)./1554-I

Supply and Fixing and transportation of 240 Sq mm X 4 core XLPE insulated, 1100V grade armoured aluminum cable as per specification confirming to IS:7098 (Part- I)./1554-I

Supply and Fixing and transportation of 300 Sq mm X 4 core XLPE insulated, 1100V grade armoured aluminum cable as per specification confirming to IS:7098 (Part- I)./1554-I

Carrying out comprehensive maintenance of existing feeder pillars including opening, internal cleaning, derusting, tightening of connections, terminal checks, IR and continuity testing, cleaning and greasing of busbars and switches, replacement of aluminium bus bars (25mm x 6mm) as required, porcelain/DMC insulators, M8 double-sided threaded bolts and nuts, copper lugs and thimbles, and fixing of ferrules, cable tags, and sleeves. The work also includes application of anti-rust spray/liquid, antioxidant grease (petroleum jelly), surface preparation, rust removal, application of red oxide primer, final weatherproof enamel painting, labeling, and stencil marking, complete with supply of all materials and deployment of skilled/authorized persons as directed by en-in-chrage.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of size Above 95 sq. mm and upto 185 sq. mm direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required.(for 120 Sq.mm cable)

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of size Above 185 sq. mm and upto 400 sq. mm direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. (for 240 & 300 Sq.mm Cables)

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