Construction of new substation adjacent to newly constructed E and M at Chennai Airport Chennai Civil and Electrical

Amount

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. 2.8.1 All kinds of soil.

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) : 8 graded stoneaggregate 40 mm nominal size) Foundation and plinth

Providing and fixing up to floor five level precast cement concrete solid block, including hoisting and setting in position with cement mortar 1:3 (1 cement : 3 coarse sand), cost of required centering, shuttering complete : 1:1½:3 (1 Cement: 1½ coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size).

Centering and shuttering including strutting, propping etc. and removalof form for : Foundation, footings basis of columns etc. and mass concrere

Suspended floors, roofs, landings, balconies and access platform

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Columns, Pillars, Piers, Abutments, Posts and Struts

Edges of slabs and breaks in floors and walls, under 20 cm wide

Providing and laying in position specified grade of reinforced c+B22:B35ement 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): 3 graded stone aggregate 20 mm nominal size) Foundation footting bases of coulam and mass conc.

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 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size).

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.

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

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

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 (1cement : 4 coarse sand) : 25 mm thick

6 mm cement plaster of mix :1 1:3 (1 cement : 3 fine sand)

12 mm cement plaster of mix : : 1:4 (1 cement: 4 fine sand)

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

Providing and fixing factory made uPVC white colour sliding glazed window upto 1.50 m in height dimension comprising of uPVC multi-chambered frame with in-built roller track and sash extruded profiles duly reinforcedwith 1.60 ± 0.2 mm thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), appropriate dimension of uPVC extruded glazing beads and uPVC extruded interlocks, EPDM gasket, wool pile, zinc alloy (white powder coated) touch locks with hook, zinc alloy body with single nylonrollers (weight bearing capacity to be 40 kg), G.I fasteners 100 x 8 mm size for fixing frame to finished wall and necessary stainless steel screws etc. Profile of frame & sash shall be mitred cut and fusion welded at all corners, including drilling of holes for fixing hardware's and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealent over backer rod of required size and of approved quality, all complete as per approved drawing& direction of Engineer-in-Charge. (Single / double glass panes, wiremesh and silicon sealent shall be paid separately) Note: For uPVC frame and sash extruded profiles minus 5% tolerance in dimension i.e. in depth & width of profile shall be acceptable. Variation in profile dimension in higher side shall be accepted but no extra payment on this account shall be made. Three track three panels sliding window with fly proof S.S wire mesh (Two nos. glazed & one no. wire mesh panels) made of (big series) frame 116 x 45 mm & sash 46 x 62 mm both having wall thickness of 2.3 ± 0.2 mm and single glazing bead / double glazing bead of appropriate dimension. (Area of window above 1.75 sqm).

Providing and fixing panelling or panelling and glazing in panelled or panelled and glazed shutters for doors, windows and clerestory windows (Area of opening for panel inserts excluding portion inside grooves or rebates to be measured). Panelling for panelled or panelled and glazed shutters 25 mm to 40 mm thick : Float glass panes , 5.0 mm thick glass panes (weight not less than 12.5 kg per sqm)

Cement plaster skirting up to 30 cm height, with cement mortar 1:3 (1cement : 3 coarse sand), finished with a floating coat of neat cement. 18 mm thick

Providing and fixing Ist quality ceramic glazed wall tiles conforming to IS: 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.

Providing and fixing 1st quality ceramic glazed floor tiles conforming to IS : 15622 (thickness to be specified by the manufacturer ) of approved make in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge in skirting, risers of steps and dados over 12 mm thick bed of cement Mortar 1:3 (1 cement: 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm including pointing in white cement mixed with pigment of matching shade complete.

Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design : 1 In 75x75 mm deep chase

Making khurras 45x45 cm with average minimum thickness of 5 cm cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20 mm nominal size) over P.V.C. sheet 1 m x1 m x 400 micron, finished with 12 mm cement plaster 1:3 (1 cement : 3 coarse sand) and a coat of neat cement, rounding the edges and making and finishing the outlet complete

Brick work with common burnt clay machine moulded perforated bricks of class designation 12.5 conforming to IS: 2222 in superstructure above plinth level up to floor five level in cement mortar 1:6 (1 cement : 6 coarse sand) : With Modular bricks

Providing and laying water proofing treatment on roofs of slabs byapplying cement slurry mixed with water proofing cement compound consisting of applying: (a) after surface preparation, first layer of slurry of cement @ 0.488kg/sqm mixed with water proofing cement compound @ 0.253 kg/sqm. (b) laying second layer of Fibre glass cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 10 cm. (c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with water proofing cement compound @ 0.670 kg/sqm and coarse sand @ 1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be taken upto 30 cm on parapet wall and tucked into groove in parapet all around. (d) fourth and final layer of brick tiling with cement mortar (which will be paid for separately. (For the purpose of measurement the entire treated surface will bemeasured.)

10 cm thick (average) mud phaska of damped brick earth on roofs laid to slope consolidated and plastered with 25 mm thick mud mortar mixed with bhusa @ 35 kg per cum of earth and gobri leaping with mix 1:1 (1 clay : 1 cow dung) and covered with flat tile bricks, grouted with cement mortar 1:3 (1 cement : 3 fine sand) mixed with 2% of integral water proofing compound by weight of cement and finished neat:With common burnt clay F.P.S.(non modular) brick tile of class designation 10

Distempering with oil bound washable distemper of approved brand and manufacture to give an even shade : New work (two or more coats) over and including water thinnable priming coat with cement primer (Internally)

Distempering with 1st quality acrylic distemper, having VOC (VolatileOrganic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour. 13.81.2 Two coats (Externally)

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 10.6.1 80x1.25 mm M.S. laths with 1.25 mm thick top cover

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). Second class teak wood

Providing and fixing panelled or panelled and glazed shutters for doors,windows and clerestory windows fixing with butt hinges of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of Engineer-in-charge. (Note:-Butt hinges and necessary screws shall be paid separately) 9.5.1 Second class teak wood 35 mm thick shutters

Polishing on wood work with ready mixed wax polish of approved brand and manufacture : New work

Painting with oil type wood preservative of approved brand and manufacture : New work (two or more coats)

Painting on G.S. sheet with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : New work (two or more coats) including a coat of approved steel primer but excluding a coat of mordant solution

Applying a coat of mordant solution on G.S. sheet: With a solution of 38 gms of copper acetate in a litre of soft water

Providing and fixing aluminium round shape handle of outer dia 100 mm with SS screws etc. complete as per direction of Engineer-incharge Anodized (AC 15 ) aluminium

Providing and fixing water closet squatting pan (Indian type W.C. pan ) with 100 mm sand cast Iron P or S trap, 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 and fixtures complete, including cutting and making good the walls and floors wherever required: White Vitreous china Orissa pattern W.C. pan of size 580x440 mm with integral type foot rests

Providing and fixing white vitreous china flat back or wall corner type lipped front urinal basin of 430x260x350 mm and 340x410x265 mm sizes respectively with automatic flushing cistern with standard flush pipe and C.P. brass spreaders with brass unions and G.I clamps complete, including painting of fittings and brackets, cutting and making good the walls and floors wherever required : One urinal basin with 5 litre white P.V.C. automatic flushing cistern

Providing and fixing 600x120x5 mm glass shelf with edges round off, supported on anodised aluminium angle frame with C.P. brass brackets and guard rail complete fixed with 40 mm long screws, rawl plugs etc., complete.

Providing and fixing wash basin with C.I. brackets, 15 mm PTMT pillar cock, 32 mm PTMT waste coupling of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever required. White Vitreous China Flat back wash basin size 550x400 mm with single 15 mm PTMT pillar cock.

Providing and fixing PTMT Bottle Trap for Wash basin and sink, Bottle trap 31mm single piece moulded with height of 270 mm, effective length of tail pipe 260 mm from the centre of the waste coupling, 77 mm breadth with 25 mm minimum water seal, weighing not less than 260 gms

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. 18.9.9 100 mm nominal inner dia Pipes

Providing and fixing Polyethelene-Aluminium-Polyethelene PE-ALPE Composite Pressure Pipes conforming to IS - 15450, U.V. stabilized with carbon black having thermal stability for hot & cold water supply, capable to withstand temperature up to 80°C, including all special fittings of composite material (engineering plastic blend and brass inserts wherever required) e.g. elbows, tees, reducers, couplers & connectors etc., with clamps at 1.00 metre spacing. This includes testing of joints complete as per direction of the Engineer-in-charge INTERNAL WORK - EXPOSED ON WALL 18.1.1 1216 (16 mm OD) pipe

Providing and fixing brass bib cock of approved quality : 15 mm nominal bore

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.

Providing and fixing C.P. brass angle valve for basin mixer and geyser points of approved quality conforming to IS:8931 15mm nominal bore

Providing and fixing PTMT stop cock of approved quality and colour 15 mm nominal bore, 86 mm long, weighing not less than 88 gms

Providing and fixing Chequered plate 10 mm thickness for electric cable trench cover approved by direction of engineer-in-charge.

Preparation and submission of structural design/ drawing for proposed substation as per availble architecture layout which include design of footing, Columns, Plinth beams, lintel beams, RCC slab, cable trench etc. complete as per standrad design practices along with three copy of drawings , soft copy , hard copy of Design/drawings etc. all complete duly vetted from Govt. Engineering College/NIT/IIT.

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLSH PVC insulated copper conductor single core cable in surface / recessed steel conduit, with modular switch,modular plate, suitable GI box and earthing the point with 1.5 sq.mm. FRLS PVC insulated copper conductor single core cable etc as required. Group C

Wiring for group controlled (looped) light point/fan point/exhaust fan point/ call bell point (without independent switch etc.) with 1.5 sq. mm FRLS PVC insulated copper conductor single core cable in surface/ recessed steel conduit, and earthing the point with 1.5 sq. mm FRLS PVC insulated copper conductor single core cable etc. as required. Group C

Wiring for light/ power plug with 2X4 sq. mm FRLS PVC insulated copper conductor single core cable in surface/ recessed steel conduit alongwith 1 No. 4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing as required.

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed steel conduit as required.2 X 2.5 sq. mm + 1 X 2.5 sq. mm earth wire

Supplying and fixing suitable size GI box with modular plate and cover in front on surface or in recess, including providing and fixing 3 pin 5/6 A modular socket outlet and 5/6 A modular switch, connections etc. as required.

Supplying and fixing suitable size GI box with modular plate and cover in front on surface or in recess, including providing and fixing 6 pin 5/6 A & 15/16 A modular socket outlet and 15/16 A modular switch, connections etc. as required.

Supplying and fixing 100W Two module stepped type electronic fan regulator on the modular plate switch box including connections but excluding modular plate etc. as required.

Supplying and fixing following way, horizontal type double door three pole and neutral, sheet steel, MCB distribution board, 415 V, on surface/ recess, complete with 100A tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/ Isolator) 4 way (8 + 12), Double door IP43, IK 09 DB

Supplying and fixing of following ways surface/ recess mounting, vertical type, 415 V, TPN MCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 100A, tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCBs (but without MCBs and incomer) as required. (Note : Vertical type MCB TPDB is normally used where 3 phase outlets are required.) 4 way (8 + 12), Double door IP43, IK 09 DB

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

Supplying and fixing 40 A, four pole, (three phase and neutral), 415 V, residual current circuit breaker (RCCB), having a sensitivity current 300 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying and fixing 40 A rating, 415 V, 10 kA, “C” curve, 4P, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying and fixing 20 A, 240 V, SPN Industrial type socket outlet, with 2 pole and earth, metal enclosed plug top alongwith 20 A, 100 mA, 2 Pole, RCBO, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket out let and complete with connections, testing and commissioning etc. as required.

Providing, laying and fixing 50mm dia G.I. pipe (medium class) concealed in wall including chipping / plastering complete with G.I. fittings etc. as required.

Supply of 4 Core 25 Sq.mm Aluminium Conductor, XLPE insulated, PVC sheathed, armoured power cable of 1.1 KV grade conforming to IS 7098 (Part-1) as amended upto date as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 kV grade of following size in the existing RCC/ HUME/ METAL Pipe/ Trench etc as required. Upto 35Sqmm

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required

Supply of LED batten light with system lumen output not less than 4000 lumens, with heat dissipation capability.Opal diffuser creates optimum light uniformity with minimum glare & luminaire efficacy of not less than 100 lm/W. constant current output driver, operating range 150 – 270V AC supply, voltages, LED Colour Temp. from 5700K- 6500K with PF≥0.95 and THD<10% & surge protection ≥ 2.5kv, CRI>80, lumen maintainence of 70% at the end of 50000 burning hours. The luminaire shall be IP 20 protected. LM 79 report to be submitted for luminaire from NABL accrediated lab and LM 80 for LED source issued by LED manufacturer. (Similar to Havells STOUTPLUS1200BS40WLED857SPCWH or equivalent)

Supply of Ceiling fan of Sweep size 1200 mm;50 W;215CMM,220V - 240V;50 Hz;Include (Fan Motor, Blade Set, DownRod, Canopy Set, Shackle Kit, and Twisted Wire, guarantee card) Make Havells ES NEO or Equivalent

Supply of heavy duty Exhaust fan with Double Ball Bearing; 350W; 240V; 50HZ; 6200m3/hr; sweep area: 450 MM;metallic 4 blade;max 61db; with arm-set, frame, blade, mounting accessories kit,guarantee card etc; Make HAVELLS TURBOFORCE SP FHEHDSPDB180 or Equivalent

Supply of Painted metal louvers/ shutters complete with frame for 450 MM exhaust fan.

Supply of 100W,230V,50HZ Thermal overload protected (TOP) Industrial wallmounted fan with 450mm sweep;3 metal blades;speed control;oscillation;pull cord etc Make Havells TURBOFORCE FHACWSTSCL18 or equivalent.

Installation, testing and commissioning of pre-wired, fluorescent fitting / compact fluorescent fitting of all types, complete with all accessories and tube etc. directly on ceiling/ wall, including connection with 1.5 sq. mm FR PVC insulated, copper conductor, single core cable and earthing etc. as required.

Installation of 450 mm sweep exhaust fan in the existing opening, including making good the damage, connection, testing, commissioning etc. as required.

fixing the louvers/ shutters complete with frame for 450 mm sweep exhaust fan.

Installation, testing and commissioning of ceiling fan, including wiring the down rods of standard length (upto 30 cm) with 1.5 sq. mm FR PVC insulated, copper conductor, single core cable, including providing and fixing phenolic laminated sheet cover on the fan box etc. as required.

Supplying and fixing extra conduit down rod of 20 cm length G.I. pipe 20 mm dia, heavy gauge including painting etc. as required. (Note : More than 5 cm length shall be rounded to the nearest 10 cm and 5 cm or less shall be ignored)

Supplying of 32 mm dia X 2.00 metres long G.I. pipe (medium class)and bending the pipe with required angle and fixing with 2 nos 40 mm X 3 mm flat GI clamps with nuts, bolts and washer etc on wall , including mounting of LED light fitting on pipe etc. as required

Supplying and making indoor end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. 4C x 25Sq.mm

SITC of 2 TR Capacity High Wall Mounted type split AC Unit (5 star rating inverter type) with hermetically sealed compressor operating on 220 V + 10% 50 Hz Single phase AC supply with evaporator and condensing unit made of copper tubes with aluminium fins i/c cordless remote control, copper piping both suction and discharge of 4 metres length, power and control cabling of 4 meters length including angle frame for mounting condensing unit, Supply and fixing of 4KVA Voltage stabilizer suitable of AC etc as required

Supply of LED street light fitting having system lumen output not less than 4950 lumens with system efficacy of not less than 110 lumens per watt and lumen maintainence of 70% at the end of 50000 burning hours, Power Factor≥0.95 & THD<10%, CRI>70, CCT : 5700K - 6500K, made of high pressure die cast Aluminium/ standard alloy housing with separate optics and control gear compartment, toughened glass protector, permanently sealed and a removable control gear plate, mounting spigot suitable for horizontal mounting (Ø 32 – 50mm) with tilt flexibility upto (+)(-) 15 degrees, operating range 150 – 270V AC supply voltages, surge protection≥10KV with minimum IP:65 Protection. LM 79 report to be submitted for luminaire from NABL accrediated lab and LM 80 for LED source issued by LED manufacture. LED shall have reverse polarity, open and short circuit protection. (Similar to Havells ENDURAPEARLNEOSL48WLED757PASYTOPC or equivalent).

Supply of LED decorative post top luminaire consisting of a high-pressure powder-coated die-cast aluminium housing suitable for vertical mounting on 75/76 mm outer dia pole having system lumen output not less than 1650 lumens and system efficacy of not less than 90 lumens per watt and lumen maintainence of 70% at the end of 50000 burning hours, Power Factor≥0.95 & THD<10%, CRI>70, CCT : 4000K ± 300K, operating range 150 – 270V AC supply voltages, surge protection≥10KV with minimum IP:65 Protection. LM 79 report to be submitted for luminaire from NABL accrediated lab and LM 80 for LED source issued by LED manufacture. LED shall have reverse polarity, open and short circuit protection. (Similar to Havells RUBYMINIPT15WLED757PSYMTOPC or equivalent)

BOSS INFRASTRUCTURES PRIVATE LIMITED

K.MURUGESAN

S.Srinivasan

B.M.J CONSTRUCTIONS

sekarandco