SPECIAL REPAIR TO BUILDING NO P-256 AT AIR FORCE STATION CARNICOBAR.

Amount

Demolition of cement concrete in ground floors and pavings not exceeding 15 cm thickness (below or above ground level) complete all as specified and as directed.

Dismantling of floor, hearth or wall tiling including cement mortar bedding but not backing) and rubbish of the premises all as specified.

Material and Labour for non-skid coloured ceramic tiles 7 to 8mm thick (square/ rectangular) area of each tiles exceeding 0.11 Sqm but not exceeding 0.18 Sqm in floors etc, set and jointed in cement mortar and pointed in white of coloured cement to match over and including 15mm thick screed bed in CM 1:6 complete all as specified and as directed. NOTE: No extra cost shall be allowed for removing and re-fixing and necessary cutting of door etc if any required during execution of work.

Material and Labour for glazed ceramic coloured tiles in vertical surface 450x300x7-8mm thick set and jointed in neat cement slurry and pointed in white or colour cement to match the tiles over and including 10mm thick backing coat in CM 1:4 cmplete all as specified.

Taking down existing unserviceable water tank after disconnecting water supply line and Supply and fix Rotational moulded Polyetheylene Water Storage Tank 500 Ltr capacity Triple Layer (Cylinderical verticle with closed top) including 20mm dia GI Medium Grade 450mm long overflow and wash out pipe each with all required fittings, Checknut, Stopper etc complete hoisted and fixed in position, including all incoming and outgoing connection of GI pipe complete and including 25mm PTMT Ball valves high pressure wiith epoxy coated aluminium rod and high density plastic ball screwed for iron pipe complete for 20mm dia pipe fixed on roof top complete all as specified and directed.

Taking down cement plastering on concrete or Brick works surface racking out joints, hacking for key , scrubbing down with water, removing rubbish/debris etc complete all as specified and as directed.

Material and labour for rendering 15 mm on fair faces of brick or concrete surfaces in CM 1:6, finished even and fair without using extra cement complete all as specified and directed.

Material and labour for 15 mm thick rendering on brick/concrete surfaces in two layers in CM 1:4, finishing coat of 5mm thick, finished even and smooth without using extra cement complete all as specified and as directed.

Material and labour for Rendering 10 mm thick in CM 1:3 on fair faces of brick work or concrete surfaces of wall finished even and smooth (without using extra cement) complete all as specified and as directed.

Material and labour for preparation of of new plastered/concrete surfaces of ceiling and applying two coats of acrylic distemper of approved shade/tint over a coat of primer, over surface of wall all as specified and as directed.

Material and labour for applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces complete all as specified and directed.

Material and labour for preparation of of new plastered/concrete surfaces of wall and applying two coats of acrylic distemper of approved shade/tint over a coat of primer, over surface of wall all as specified and as directed.

M & L Preparation of old distempered and painted surfaces including washing, rubbing down and stopping by brooming down , scraping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots and applying one coat of Distemper oil emulsion on wall surfaces.

Material and labour for preparing old external plaster surface of walls including washing rubbing down and brooming down mould mass and applying One coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm, complete all as specified and directed.

M & L Preparation of old distempered and painted surfaces including washing, rubbing down and stopping by brooming down , scraping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots and applying one coat of Distemper oil emulsion on ceiling surfaces.

Material and Labour for plain cement concrete 1:2:4 type B1 using 20mm graded granite stone aggrgate as in in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates and the like including weathering, slightly rounded or chamfered angles and throating including use of necessary form work all as specified and as directed.

Taking down Chowkats or frames exceeding 1.5 Sq. M but not exceeding 4 Sq. M each (without taking off shutters from the frame) complete all as specified and directed.

Taking down chowkats or frame with shutter (without taking out shutter from the frame) not exceeding 1.50 Sqm each as doors, windows & ventilators etc. and removal from site complete all as specified and directed by Engr-in-charge.

S&F Powder coated aluminium (minimum thickness of powder coating 50 micron) work for doors, windows, ventilators and partitions (Fixed portions) 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, complete all as specified and as directed. Note: Quoted rate shall be inclusive of rubber beading, glazing clips. Glass pane shall be measured and paid separately.

Supply and fix powder coated aluminium door shutters, aluminium section weighing 0.55kg/m including necessary joining cleats, glazing clips, rubber neoprene packing, handles 2 Nos in each door, hinges, and sliding tower bolt 150mm long anodised aluminium snap beading, screws etc. complete all as specified and as directed.

Supply and fix powder coated, aluminium window and ventilator shutters, side hung type without sash bars, aluminium sections weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber packing, anodised aluminium snap beading, screws, anodised aluminium fittings such as peg stays 150mm long (1 no.), hinges type B-21 100mm long (2 no.) suitable handle (1 no.) complete all as specified and directed.

Supply and fix Powder Coated aluminium grill (anodised transparent or dyed to required shade according to IS: 1868 with minimum coating of grade AC 15) of DG 102 design/pattern, with approved standard section and fixed to the existing window frame with C.P. brass/ stainless steel screws @ 200 mm centre to centre, including cutting the grill to proper opening size for fixing and operation of handles and fixing approved aluminium standard section around the opening, all complete as per requirement complete all as specified and directed.

Supply and fix door closer hydraulically regulated cast iron body, designation No 2, universal type, suitable for door shutters of 701 to 850 mm in width and of weight between 36 to 60 Kg and fixed complete all as specified and as directed.

Supply and fixing Solid PVC Door Frame of size 50 mm x47mm made out of 5 mm plain colour PVC sheet reinforced with M.S. Square tube, supporting & fixing in opening as per specification & drawing complete all as specified and directed.

Supply and fix factory made solid panel PVC door shutter 30 mm thick (style) consisting of frame made out of mild steel tubes for top & bottom rails, mild steel frame shall be covered with heat moulded plian colour PVC 'C' channel having a PVC sheet strip of 20 mm width struck inside with solvent cement for stiles and plain colour PVC sheets for top rail, lock rail & bottom rail on either side & as gap insert for top rail & bottom rail, panelling of plain colour PVC sheet to be fitted in the mild steel frame welded/sealed to the stiles & rails with suitable PVC sheet beading, and jointed together with solvent cement supplying and fixing in the frame at site as per specification & drawing of SSR Part II.

Supply and fix in 100mm size Butt hinges, extruded aluminium alloy with galvanised mild steel hinge pin, anodised and fixed, type B-21complete all as specified and directed.

Supply and fix extruded aluminium alloy handles, fabricated type, anodised 150mm size complete all as specified and as directed

Supply and fixing aluminium alloy,anodised, sliding door bolt of length 250mm with hasp, staple (bolt type) & fixing clips of sheet, cast or extruded sections & fixing bolts & sliding bolts of extruded section or cast-aluminium alloy complete all specified and as directed.

Supply and Fix 150mm long aluminium anodised barrel tower bolt all as specified and as directed by Eng-in-charge.

Supply and fix Aluminium alloy wire cloth 0.36mm nominal dia of wire and average width of aperture 1.40mm and fixed with Aluminium alloy wire staples complete all as specified and directed

Supply and Fixing 5.5mm thick glass, ordinary quality and glazing with oil and putty in square not exc 0.5 sqm in each pane complete all as specified and as directed.

Material and Labour for pre-laminated particle board 12 mm thick, interior grade, prelaminated one side with decorative choice lamination and other side balancing white lamination, fixed with screws in timber frame work complete all as specified and directed.

Supply and fixing Solid PVC Door Frame of size 50 mm x47mm made out of 5 mm wood grain printed PVC sheet & edges will be painted to match with printed sheet reinforced with M.S. Square tube, supporting & fixing in opening as per specification & drawing complete all as specified and directed.

Supply and fix Factory Made Solid PVC Moulded Door Shutter with wood free EPS, 28 to 30mm thick (stiles), with 2, 4, or 6 raised panel design with 2mm thick Moulded Prelam PVC Sheet on the front face & 2mm prelam PVC Sheet on back face, supplying and fixing in the frame at site as per specification & drawing of SSR Part II complete all as specified and directed

Supply and fix stainless steel handles, fabricated type, 100mm size complete all as specified and as directed

Supply and fix Magnetic Catches for Acrylic board cabinets all as specified and directed.

Supply and Fix 150mm Hasp and staple, safety type, brass with mild steel hinge pin including bolt to hinge plate and fixed with screws complete all as specified and directed.

S&F in repairs Decorative/Fancy type curtain rod brackets of stainless steel suitable for 25mm dia Stainless steel decorative certain rod/pipe.(AS per sample kept in GE's Office)

S&F in repairs Decorative/Fancy type curtain rod brackets of stainless steel suitable for 25mm dia Stainless steel decorative certain rod/pipe.(AS per sample kept in GE's Office)

Dismantling wrought iron or mild steel work of any description not otherwise specifically provided for complete all as specified and as directed.

Dismantling Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete all as specified and as directed.

S&F prepainted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of an colour having tensile strength 550 MPA as in roof covering in roof covering /cladding to wall, fixed with self tapping screws including providing of rubber washer/Bitumen washer with filling of Bitumen between joint of sheet and Self tapping screws complete all as specified.

S&F prepainted galvalume aluminium zinc coating GI based plain steel sheet 0.50 mm thick of an colour having tensile strength 550 MPA as in roof covering in roof covering /cladding to wall, fixed with self tapping screws including providing of rubber washer/Bitumen washer with filling of Bitumen between joint of sheet and Self tapping screws complete all as specified.

S&F steel work in tabular truss including special shaped washer etc complete using ERW or induction butt welded tubes confirming to IS-1161-1979 of grade St-240 complete all as specified and as directed.

M&L for MS work as in Wind Tie in roof and MS structural works in trusses, etc with screwed ends including nuts, washers and mild steel plates for walls chimneys, roofs arches etc any kind rods and straining bolts conforming to Fe 410-0 or Fe 310-0 complete all as specified .

M&L for preparation of new or previously untreated steel surfaces of any description not otherwise described over 10cm in width or girth and applying two coats of synthetic enamel paint (ordinary tint) over a coat of red oxide primer complete all as specified and as directed

Material and labour for preparation of old decorated steel & iron surfaces of any description exceeding 10 cm width or grith not otherwise specified and applying one coat of syntheic enamel paint all as specified and as directed.

Dismantling Wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/slabs/blankets, any thickness, including cover fillets all as directed.

Supply and fix anodised aluminium snap grid frame work for false ceiling with 605mm x 605mm size, consisting of main Tee of size 40 x 40 x 2mm, cross Tee of size 40 x 40 x 2mm and wall angle of size 40 x 40 x 2mm of approved make including all necessary cuttings, fixing of aluminium section firmly in position with and including steel hangers 6 mm dia G.I. wire (upto 1200 mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of G.I. flat 40 x 3 mm size 60 mm long and expansion hold fasteners 40 mm long in soffit of slab/walls complete all as specifed and as directed including provision of with 4mm thick Non Asbestos boards, ordinary type for fixing in 600 mm x 600mm grid, fixed in ceiling, flat or sloping, complete all as specified and directed. Note :- Rate quoted above shall be deemed to include for making holes, cutting chassis if any required and making good to existing walls in cement mortar 1: 3 to match with existing surface finish as directed at site.

Taking up or down steel tubing /CPVC pipe 15 mm bore including connections, cleaning for refixing or removal to store all as directed.

Taking up or down steel tubing 20 mm bore including connections, cleaning for refixing or removal to store all as directed.

Supply and fixing galvanised steel water tubing medium grade 15 mm bore including all necessary fittings such as bends, L bows, short piece connections, backnuts, caps plugs, unions couplings, flanges, sockets etc, fixed to wall/floor/ceiling including necessary cutting/chauging in walls made of brick/concrete surface complete all as specified and as directed.

Supply and fixing galvanised steel water tubing medium grade 20 mm bore including all necessary fittings such as bends, L bows, short piece connections, backnuts, caps plugs, unions couplings, flanges, sockets etc, fixed to wall/floor/ceiling including necessary cutting/chauging in walls made of brick/concrete surface complete all as specified and as directed.

Supply and fixing in repairs vitreous China wash hand basin, white (flat back or angle back type or counter top) of size 630X450mm including 32mm brass chromium plated waste fitting, a pair of cast iron bracket duly painted including cutting and pinning in ends making good disturbed surfaces in CM 1:3 excluding pillar tap but chain , plug and porcelain stopper, brackets etc all as specified and as directed.

Supply and Fix in repairs vitreous china wash down water closet Pedastal pattern white (excluding flushing cistren ) including trap set, seat cover and fixing of flushing cistern, brackets, flushing pipe etc, etc. with 'P' or 'S' trap, making good the floor to match with existing floor complete all as specified and as directed.

Supply and fix in repair 10 Ltr capacity PVC valveless, syphonic action type, flushing cistern low level, white, with inlet ball valve, float and handle including brackets, flushing pipe, 450mm long PVC Connection and connection to trap, and to flushing and making good to floor complete all as specified .

Taking down unservicable shower rose and supply and fix brass chromium plated shower rose 125mm size with swivel joints including fixing to steel pipe or union complete all as specified and as directed.

Supply and fixing in repair 6 mm thick bevelled edge looking mirror of size 600 x 450 mm mounted on 6 mm thick AC Building board or commercial plywood/hard board backing and fixed to wooden plugs with CP Screws and cup washers all as specified and as directed.

Supply and fixing for Soap Dish, Single, as Approved, fixing with Brass Chromium Plated Screws including Taking down unserviceable Soap Dish of any description, complete as all specified and directed.

Supply and fixing in repairs Towel rails tubular brass chromium plated 20 mm dia 'D' type 60 cm long between flanges complete all as specified and directed.

Supply and fix Sheet glass shelf assembly consisting of 5.5mm thick sheet glass shelf 12cm wide with chromium plated bracket guard and railing 60cm long, complete all as specified and as directed.

Supply and fix waste coupling of PTMT 32 mm size (half or full threaded) suitable for urinals/ WHB/Sink etc (Minimum weight 32 mm - 45 gms) all as specified and as directed.

Supply and fixing in repairs PVC waste pipe 32mm dia with 40mm dia reducer, 90cm long for WHB/urinal outlet with 4 Nos screws for fixing pipes, complete all as specified and directed.

Supply and fix in repairs PVC connections 15mm size with PTMT nuts of length 450mm complete all as specified and directed.

Supply and fix in repair 15mm dia pillar tap, cast copper alloy, chromium plated, fancy type, with capstan head screwed down high pressure with or without lettered hot or cold with long screw shank and fly nutt screw for iron pipe Make: CERA /Parryware/Hindware

Supply and fix in repairs Angle valve CP cast copper alloy, with capstan handle, screwed down, high pressure screwed both ends for 15 mm bore iron pipe or for unions and fixed complete all as specified and directed.

Supply and fix in repairs 2 way angle valves/2 in 1 angle cock, 15mm bore,quarter turn with wall flange, chromium plated, screwed down, high pressure with crutch or butterfly handle and fixed complete all as specified and directed.

Supply and fix in repairs Health faucet (ABS Body) mild steel chromium plated suitable for 15 mm dia pipe with 1.25 metre long flexible tube and ABS wall hook including making connections and fixed in position complete in all respect as specified.

Supply and fix in repairs 15mm dia bib taps cast copper alloy fancy type chromium plated with crutch or butterfly handle screwed down , screwed for iron pipe or union complete all as specified and directed.

Supply and fix in repairs stainless steel grating 125 mm dia with waste pipe hole complete all as specified and as directed.

Supply and fix Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed 20 mm bore complete all as specified and directed.

Material and Labour for 75mm thick Plain Cement Concrete 1:3:6 type C2 using 40 mm graded stone aggregate as in plinth protection, floors, pavings and hardstanding etc, finished even smooth without using extra cement etc including necessary forwork, complete all as specified and as directed.

Taking down carefully (copper/aluminum) point wiring complete of any type (batten/surface conduit) for light point, fan point, bell point socket point or power point complete with all fitting such as switches, sockets pendants regulators etc complete and making good disturbed surfaces of wall, floor or ceiling with plaster or tiles or roof treatment etc and finishing the surfaces with distemper/white washing/colour washing to match with the existing surface complete all as specified and directed.

M & L for point wiring using 1.5 Sqmm lSI marked 1.1 KV grade single core FR LS flexible cable, conforming to IS: 694-1990, having multi-drawn thin strands of electrolytic copper conductors, conforming to IS: 8130-1984 and insulation conforming to IS: 5831-1984, for phase, neutral and earth continuity conductor connecting to earth dolly, drawn in and including not less than 20 mm NB PVC medium grade conduits (concealed), conforming to IS: 9537 (Part 3)- 1983, colour coded as specified in IS: 11353-1985, including factory made sunken, galvanized, not less than 1.00 mm thick modular flush sheet metal enclosure having top, bottom, side and back-wall knockout for conduit entry from any direction, conforming to IS: 14772- 2000 and suitable for modular cover-plates complete all as specified in IS: 732-1989 and directed for the following:-. Note: Circuit wire from DB to switch boards shall be included in the quoted rate. No additional payment will be paid to the contractor for the circuit submain.

(a ) one light point or one fan point controlled by one switch 5 Amps

(b) One 3 pin socket outlet 5 Amps on same board

M & L for point wiring using 4 Sqmm lSI marked 1.1 KV grade single core FR LS flexible cable, conforming to IS: 694-1990, having multi-drawn thin strands of electrolytic copper conductors, conforming to IS: 8130-1984 and insulation conforming to IS: 5831-1984, for phase, neutral and earth continuity conductor connecting to earth dolly, drawn in and including not less than 20 mm NB PVC medium grade conduits (concealed), conforming to IS: 9537 (Part 3)- 1983, colour coded as specified in IS: 11353-1985, including factory made sunken, galvanized, not less than 1.00 mm thick modular flush sheet metal enclosure having top, bottom, side and back-wall knockout for conduit entry from any direction, conforming to IS: 14772- 2000 and suitable for modular cover-plates complete all as specified in IS: 732-1989 and directed for 6 pin switch socket outlet 15 Amp on independent board complete all as specified and directed by Engineer in charge:-. Note: Circuit wire from DB to switch boards shall be included in the quoted rate. No additional payment will be paid to the contractor for the circuit submain.

Supply and fix Switch piano flush type 5 amps single pole, one way, 240 Volts complete all as specified and as directed.

Supply and Fix socket outlet 5 pin, 6 Amps and AC 230 volts flush type complete all as specified and as directed.

Supply & fix switch socket combination, 6 pin, 15/16Amps, multipurpose , flush, shutter type, 230 volt flush type, white/ivory finish with fixing hole complete all as specified and directed by Engineer in charge.

Supply and fix Lamp holders baklite body with back plate suitable for battern fitting/angle fitting complete all as specified and directed.

Supply and fixing in repairs 20W LED pride Essential Batten 6500k,220V, White, Decorative ultra slim round profile LED lighting fixture with extruded polycarbonate, environmental friendly, energy efficient, connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete. all as specified and as directed. Make-Havells Model No. LHEXAWP7IN1W020 or equivalent in Philips/Bajaj/Crompton.

Supply and fixing LED light fitting mirror type with high out put diffuser 2 feet, 10 watt 220 V AC decorative type with driver holder and LED lamp including connecting up with three core flexible copper conductor cable of suitable size complete. Make- Philips/Bajaj/Crompton /Havells.

Supply and fix Ceiling rose in poly carbonate 3 plates flush type 6 Amps, 250 volts AC complete all as specified and directed.

Supply and fix Boxes junctions, plastic, round, four terminals complete all as specified and directed.

Supply and fixing LED bulb 20 watts, 230 volt, energy saving environment friendly and extra bright complete all as specified and directed. Make: Havells/Philips/Crompton Greaves.

Supply and fix in replacement MCB SPN 40 to 63 amp rating 240V, 10KA 'C' curve miniature circuit breaker (MCB) of single pole in the MCB DB complete with connection testing and commissioning complete all as specified and directed. Make: Indo Asian/ L&T/Crompton Greaves/Havells

Supply and fix in replacement MCB SP 6-32 amp rating 240V, 10KA 'B' curve miniature circuit breaker (MCB) of single pole in the MCB DB,IP 20 transparent lebel holder fully insulated safety shutters suitable for cable up to 35 Sqmm cross sectional area complete including suitable size copper Lugs complete all as specified and directed. Make: Indo Asian/ L&T/Crompton Greaves/Havells

Supply and fix Exhaust Fan of size 300 mm sweep with louvers, with metal body AC 230 V, 50 Hz, 1200 RPM and connecting to ceiling rose terminals with 23/.0076 flexible cable, complete all specified and directed. Make:Havells/ Usha/Crompton Greaves.

Supply and fix in repairs Distribution board (DB) made out of sheet metal enclosure (CRCA sheet), dust and vermin proof, SPN 8 way with 200 Amps rated copper bus bar single door protection, neutral bar,earth bar, single pole and neutral 240 volts, MCBs used as incommer flush to wall complete all as specified and as directed.

Earthing complete with galvanised steel earth plate electrode 60 cm x60 cm x 6 mm thick buried directly in ground ,(Earth pit not less than 2.25 meter deep below ground level) with top edge of plate not less than 1.5 meter below normal ground level ,connected to and including galvanised iron earth wire 4.0mm dia by means of nut, bolts, check nuts and washers of galvanised iron or steel and provision of charcoal dust and common salt packed all around the earth plate including necessary excavation and earth work in any type of soil and testing complete all as specified and directed and shown in electrical plate number 3 of MES SSR part-I(2009) Note: Unit rate quoted shall be deemed to be included the following (a) Excavation and earth work for drilling hole for electrode in any type of Soil. (b) PCC pit in cement concrete 1:2:4 type B-1, Pre cast RCC cover with suitable handle 40 mm thick in PCC 1:2:4 type B-1, reinforced with welded steel wire fabric weighing not less than1.87 Kg/ Sq meter. (c) Funnel with watering pipe of GI 20 mm nominal bore light grade and lugs etc complete all as specified and directed (d) 40 mm nominal bore medium grade GI protection pipe 7.5 meter long for protection of earthing lead complete all as specified and directed. (e) Requisite quantity of common salt and charcoal. (f) Testing of earthing.

Material and labour for Sub main wiring using two runs of single core PVC insulated cable (FRLS) 4 sqmm copper conductor multi stranded and one run of 4 sqmm copper conductor insulated cable (FRLS)using as earth wire drawn through and including suitable size rigid non-metallic PVC conduit including taking down old aluminium/Copper Sub main wirng, complete all as specified and directed. Note- 3 run of 4 sq mm PVC copper wire and One run of PVC conduit shall be measured and paid as one unit.

Schedule of Credit (Minus) Rs.38652.00 NOTE: Bidder shall insert credit amount of Rs. 38652.00 as rate in Green field under Col-13.

SKY GROUP (BID ID -3379263)

M/s Karbhagam Sales Agency (BID ID -3379557)

Tropical Refrigeration (BID ID -3379529)

MGP Enterprises (BID ID -3378767)

Ravi Enterprises (BID ID -3378704)

ASHOK BISWAS (BID ID -3379783)

Chandra Construction Enterprises (BID ID -3378911)