UPGRADATION OF E/M INSTALLATION AGAINST BER AT APOLLO DRDO HOSPITAL, KANCHANBAGH

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth and getting out in soft/loose soil for foundation of poles, structures, stay rods, laying of underground cable etc complete all as directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers each not exceeding 25cm thick using soil complete all as directed.

Removing excavated surplus soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as directed.

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1 with peak, size 300mm x 180mm x 40mm complete all as specified and directed

Supply and spreading of dry river sand in trenches/ transformer yard / two pole structure yard for cable protection complete all as directed by Engineer-in-Charge. Note:- Punned thickness only shall be measured for payment purpose.

Supplying and laying un-reinforced precast concrete cable cover LT cable Cover but Class LV, Type 2, flat, size 250x 150mm x 40mm complete all as specified and directed

M&L for fixing of PCC route indicator of size 2'x.5' duly embedded HT cable over it, laying/fixing on every 50 mtr span over the route of HT cable vertically for clear indication of cable route by providing necessary PCC foundation /copping complete all as specified and directed

XLPE Insulated,screened,PVC bedded,Galvanised steel strip or wire armoured.electric power cables (heavy duty),ISI Marked, IS: 7098 Part-II triple extruded and with dry nitrogen curing with stranded with aluminium conductor,HT 11000 Volts,earthed grade cross sectional area 3-core 95 sqmm,laid in tranches/on poles/walls including connecting up complete all as specified and directed.

Supply and fix cable jointing kit for 11 KV grade cable for in door termination cold shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 95 sqmm complete all as specified and directed

Supply and fix cable jointing kit for 11 KV grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 95 sqmm, Outdoor type complete all as specified and directed

M&L boring of holes under road, pavement, hard standing by trenchless technology using ultra sound technidue and necessary machine including GI pipe of 150mm dia suitable for 0.4mpa working pressure complete all as specified and directed

Supply and installation of HT 11 KV 1250 Amps, 3 phase, 50 cycles with copper bus bar totally enclosed metal clad VCB motorized Switch gear conforming IEC 62271 100/200 (Latest version) having having Rupturing capacity upto 350 MVA, current transormer 100-50/5-5A, Potential transformer 11 KV/110 V fixed type VCB self supported insulated bus bars and busbar extensions with full voltage rated should be used back entry type complete and degree of IP65 protection overload and earth fault protection, ammeter, voltmeter of suitable rating along with outdoor control relay panel. OUTDOOR VCB Panels(Outdoor) & Control Relays panel (Outdoor) CRP panel: 01 Each 11kV, 1250A, 26.3kA/3Sec Cubicle with Main copper Busbar Symatic - 01No 11KV outdoor Type Control Relay panels. Symatic - 01No Vacuum Circuit Breaker 11kV,1250A , 26KA/3 sec Fixed type Current Transformer dual core-STC 20KA/1 Sec ,100-50/5-5A, CL-0.2 /10VA, 5P20/10VA, - 03 No Potential transformer fixed type 11kV/rt3/110v/rt3, core-1:Cl.0.2/30VA, 3P/30VA Meter Digital Voltmeter, 96x96 Digital Ammeter, 96x96 Digital multifunction Meter. EM-7290

Switches / Indications T-N-C Switch - 02 Nos L-R Switch - 02 Nos Control MCB/Fuse 1Set -02 Nos Indicating Lamp 1 Set -02 Push Button for TCH 12 W Annunciator + Hooter - 01No in control relay panel Space heater & Thermostat with toggle switch -02 Nos Panel illumination Lamp With Door Limit Switch -02 Nos 30KV, 10KA, surge Arrester - 1 Set in VCB panel AC & DC fail indication -02 Nos Relay 3 OC/1 EF - Relay with Communication port 7SR-10 -01 No Auxiliary relay for transformers protection VAA31, - 03 Nos Microprocessor controlled Transformer differential relay 7SR242 with all connected items -01No Master Trip Relay type VAJHM23 -01No 11kv Trivector energy meter with necessary CTs & PTs-01 Power pack equipment with back up for 15 minute including batteries and charger complete suitable for operation of relays

Note: (a) Disconnection of HT cable / jumpers/buscoupler connection from incoming and outgoing of existing SF6/OCB BREAKER with complete including dismantling old SF6/OCB BREAKER and shifting to EM store and connecting the incoming as per requirement at the site and deemed to be included in the quoted rates. (b) For shifting of HT/LT SF6 BREAKER Transportation like vehicle, crane / labour / Forke lift deemed to be included in the quoted rates. (c) The following works deemed to be included in the quoted rates:- (i) Tools & plants, safety devices like helmet, belt, rain coat, HT/LT insulation gloves, earth rod, Megger etc shall be provided by contractor (ii) Complete duct / trenches cleaning / repairs of trenches. (iii) After taking shutdown contractor should complete the commissioning of the Job within 24 hrs. (iv) Provn of civil works for foundation / plinth / Trenches for mounting of VCB panel (v) Testing, calibration of relays / primary / secondary injection, testing the relays / submission of test report and control wiring / power wiring complete. (vi) Provision of control cabling for motorized remote operation with armoured copper cabling not less than 12 cores of size not less than 1.5 Sqmm copper conductor cables as required at site.

Supply and installation of HT 11 KV 1250 Amps, 3 phase, 50 cycles with copper bus bar totally enclosed metal clad VCB motorized Switch gear conforming IEC 62271 100/200 (Latest version) having Rupturing capacity upto 350 MVA, current transormer 100-50/5-5A, potential transformer,11KV/110V, horizontal draw out type VCB with aluminium bus bars self supported insulated bus bars and bus bar extentions with full voltage rated should be used back entry type complete and degree of IP65 protection overload and earth fault protection, ammeter, voltmeter of suitable rating along with indoor control relay panel. INDOOR VCB Panels(indoor) & Control Relays panel (Indoor) CRP panel: 01 Each 11kV, 1250A, 26.3kA/3Sec Cubicle with Main copper Busbar Symatic - 01No 11KV Indoor Type Control Relay panels. Symatic - 01No Vacuum Circuit Breaker 11kV,1250A , 26KA/3 sec draw out type Current Transformer dual core-STC 20KA/1 Sec ,100-50/5-5A, CL-0.2 /10VA, 5P20/10VA, - 03 No Potential transformer draw out type 11kV/rt3/110v/rt3, core-1:Cl.0.2/30VA, 3P/30VA Meter Digital Voltmeter, 96x96 Digital Ammeter, 96x96 Digital multifunction Meter. EM-7290

Switches / Indications T-N-C Switch - 02 Nos L-R Switch - 02 Nos Control MCB/Fuse 1Set -02 Nos Indicating Lamp 1 Set -02 Push Button for TCH 12 W Annunciator + Hooter - 01No in control relay panel Space heater & Thermostat with toggle switch -02 Nos Panel illumination Lamp With Door Limit Switch -02 Nos 30KV, 10KA, surge Arrester - 1 Set in VCB panel AC & DC fail indication -02 Nos Relay 3 OC/1 EF - Relay with Communication port 7SR-10 -01 No Auxiliary relay for transformers protection VAA31, - 03 Nos Microprocessor controlled Transformer differential relay 7SR242 with all connected items -01No Master Trip Relay type VAJHM23 -01No Power pack equipment with back up for 15 minute including batteries and charger complete suitable for operation of relays

Note: (a) Disconnection of HT cable / jumpers/buscoupler connection from incoming and outgoing of existing SF6/OCB BREAKER with complete including dismantling old SF6/OCB BREAKER and shifting to EM store and connecting the incoming as per requirement at the site and deemed to be included in the quoted rates. (b) For shifting of HT/LT SF6 BREAKER Transportation like vehicle, crane / labour / Forke lift deemed to be included in the quoted rates. (c) The following works deemed to be included in the quoted rates:- (i) Tools & plants, safety devices like helmet, belt, rain coat, HT/LT insulation gloves, earth rod, Megger etc shall be provided by contractor (ii) Complete duct / trenches cleaning / repairs of trenches. (iii) After taking shutdown contractor should complete the commissioning of the Job within 24 hrs. (iv) Provn of civil works for foundation / plinth / Trenches for mounting of VCB panel (v) Testing, calibration of relays / primary / secondary injection, testing the relays / submission of test report and control wiring / power wiring complete. (vi) Provision of control cabling for motorized remote operation with armoured copper cabling not less than 12 cores of size not less than 1.5 Sqmm copper conductor cables as required at site.

Supply, installation, testing and commissioning of transformer, outdoor type oil immersed step down 11/0.433 KV, HT with 3 phase and LT with 3 Phase, 4 - wire system double copper wound with off load tap changer arrangement on HT side for a variation of secondary voltage with tapping range + 5% to -10% in steps of 2.5 % continuous rating of 1000 KVA (Level-II) conforming to IS: 1180 (Part 1):2014 amendment No 4 mar 2021 Oil - IS: 335: 1993 including first fill of oil,making incoming and outgoing connection to Transformer with copper conductor with lugs & glands complete, all as specified and directed. Make :- The rate quoted shall deemed to include the following :-

Temp. Rise in oil [Degree C.] : 40, By Resistance [Degree C.] : 45, Ambient temperature : 50, Winding Material : Copper Type of Cooling : ONAN, Class of Insulation : Class “F”, Vector Group : Dyn11, Frequency [Hz.] : 50, Phase : 3, Insulation Level [kV/Kvp] H.V. : 28/75,L.V. : 3/---, Primary Connection [HV] : Delta, Primary Volts : 11000V,Primary Phases : 3 Primary Wires : 3,Primary rated current : 52.49 A, Secondary connection [LV] : Star,Secondary Volts : 433V, Secondary Phases: 3, Secondary Wires : 4, Secondary rated current : 1333.42A,

Taps on Primary Winding for : +5% to –10% in steps of 2.5%, Primary Voltage Variation Off Circuit Tap Changer No. of switch positions : 7 Terminal Arrangement H.V. : Bare Bushings, L.V : Cable Box Load Losses (Level-II) At 50% Loading : 2620 Watts (Max.) At 100% Loading : 7000 Watts(Max.) Impedance (Z) [Percentage] HV - LV : 4.50% No Load Current (% of Rated Current) : Less than 1.5 %

SUBJECT TO IS: 1180 TOLERANCE a) Core & Windings with clamps b) Tank & Fittings c) Oil : as per IS HV - LV Orientation : 180 deg. Bushing - IS: 2099 & IS: 3347 Porcelain Bushings HV : 3 Epoxy Bushing LV : 4 Painting [Finish] : PU Light Grey Shade No. 631 – IS: 5

TESTS - Routine Tests as per IS: 1180 (Part 1):2014 (a) Ratio test (b) Polarity (c) Phase angle error measurement (d) I R Values (e) Winding resistance (f) Open circuit test (g) Short circuit & Impedance test (h) Separate source voltage test (j) Induced over voltage test (k) Pressure test (l) Oil leakage test

STANDARD FITTINGS AND ACCESSORIES: (a) Rating & Terminal Marking Plate One (b) Earthing Terminals Two (c) Lifting Lugs Two (d) Drain Valve with blanking plate One (e) Filter Valve with blanking plate One (f) Conservator One (g) Conservator Oil filling hole with cap One (h) Oil Level indicator with min. marking One (j) Dehydrating Breather One

(k) Conservator Drain Plug One (l) Air Release Device One (m) Thermometer Pocket One (n) Pressure relief valve One (o) Roller Uni directional Four (p) Radiators (Weld able Type) Two (q) Bare Bushings HV Three (r) Cable Box LV One (s) Separate Neutral Terminal One (t) Off Circuit Tap Changer One (u) 100 mm dia Stem type thermometer One

Note :- (i) The Stud for neutral shall be sufficiently long to fix 2 Nos GI strip for earthing. (ii) Cost of Cable entry box on both sides ie. HV and LV shall be deemed to be included in quoted rates. (iii) Cost of foundation of transformer shall be deemed to be included in quoted rates. (iv) Disconnection of HT /LT connections from existing Transformer complete including dismantling and shifting to EM store and the rate deemed to be included in the quoted rates. (V) For shifting of Transformer, Transpotation like vehicle, crane / labour / Forke lift deemed to be included in the quoted rates.

Supply installation testing and commissioning of silent Diesel Engine driven generating set 415 volts, 1010 KVA / 808 KW 3 phase 0.8 power factor 50Hz, 1500 RPM, Liquid Cooled, With all connected accessories in all respects for commissioning of the DG Set, with CPCB approved and latest MOEF guide line Acoustic enclosure IP 23, self excited self regulated brushless AC generator installed including Acoustic enclosure suitable for ambient condition at Hyderabad including AMF panel and confirming to condition under IS 4722/1460, BS 5514/2613/5000 ISO 8526/3046 with the following

Alternator - Standard design alternator, Power Rating 1010 KVA/ 808 KW, 3 Phase 4 wire, 415 Volts, 50 HZ, Power factor 0.8(lagging) Current 1390 Amps, net output at site after considering de-rating for as per site conditions at 0.8 (lagging) power factor, 1500 RPM, Cooling Liquid cooled, Aspiration Turbo charged, air cooled self regulated screen protected drip proof IP 23 enclosure brushless design with widing in pole faces, insulating class 'H' and voltage regulation of +1% at rated voltage from no load to full load, A1 The alternator shall be conforming to BS 2613/5000 and shall be in position to generate supply with frequency regulation with in +1% tolerance. The alternator will be suitable for tropical climate and shall generally confirm to BS-2613/5000/IS-4722.

Diesel Engine : Minimum 1180 BHP capacity, four stroke, 12 Cylinder,TurboCharged Diesel Engine suitable for 1010KVA coupled with alternator and after considering derating as per site conditions after generating and reducing power consumed by accessories, directly coupled through flexible coupling, multi cylinder, multi stroke direct injection, cold starting 1500 RPM, as per relevant ISI/BS-5514 with an overload capacity of 10% for one hour in 12 hours continous running complete with standard accessories all as specified and required for safe handling and operation salient features of accessories shall be as under : Insulation class - 'H' , Temperature rise class - 'H' ,Excitation- Self excited Regulation performance - The voltage is kept constant with + 1%, manual voltage adjustment with in + 5%. , Frequency Regulation + 1% Suitable size & suitable number of runs of UG copper cable (Control cable) from Alternator to AMF & RAW Power to AMF Panel is deemed to be include is quoted rate.

(i) Flywheel with housing (ii) Cooling System : Mounted radiator with fan and belts (iii) Cooling Water Pump : Centrifugal type belt driven (iv) Exhaust System : As per OEM reccommendation/specification. (v) Starting System :- Electric Self Starter with maintenance free batteries including battery charging alternative belt driven. (vi) Batteries :- 2x12 Volts DC electrical batteries of suitable AH rating, complete connected with copper cable PVC sheathed conductor multistranded leads of suitable length from self starter to the battery terminals complete with initial charge and initial fill of electrolite all as specified and directed.

(vii) Fuel tank of adequate capacity :- As per OEM norms and specifications designed for above capacity of DG Set. (viii) First fill lube oil, coolant and diesel during testing and commissioning shall be deemed to be included in quoted rate (ix) Provision of 3phase+1 neutral bus bar of 2000 Amps carrying capacity from DG set to AMF panel

AMF Panel : Auto Main Failure (AMF) Panel outdoor type made out of 3.15mm thick CRCA sheet weather proof powder coated conforming to IS 8623 totally enclosed dust and vermin proof with front and rear openings of 415 Volts, 3 Phase, 4 wire AC 50 HZ having aluminium bus bar of capacity required to carry current at 100% load of 1010 KVA DG Set with three phase and half neutral colour coded pre-wired with copper flexible cable, all as specified with the following accessories, control cable from Gen Set to AMF Panel.

Contactor of Suitable capacity 3 pole with required nos as per OEM, TP contactor for netural for both supplies Suitable capacity of ACB 1600 Amps 4 pole 50KA manual draw out, for both supplies CTs 150/5A for both the supplies Push buttons Indication Lamps

2 x over load + earth leakage relay Multi functional digital meter for KWH, KVA, KW, Amps, Volts, frequency, power factor etc. SMPS Battery charge 12V, with trickle and boost charging. ON/OFF Switch. Automatic/Manual Switch. Hooter. Voltage sensing relay. Six window anunciator for fault indications.

Acoustic Enclosure : Enclosure is free standing floor mounted factory built and modular in construction to facilitate easy assembly at work site and will be drop over housing type. It will consist of acoustically treated panel housed in sheet metal will provide easy access for maintenance, repairs and operation. The enclosure is custom to suit conditions, with the following features :-

(i) Custom built product for various equipments, with ensure the optimum performance without duration. (ii) 16SWG (1.6mm) thick CRCA sheet to be used for enclosure panel to ensure longer life against weathing action. High quality acoustic insulation materials to be used as per IS 8183 for maximum sound absoption. Acoustic layers are supported by perforated sheets.

(iii) Sheet metal component of the enclosure should undergo various stages of surface treatment prior to painting which leads to be better life of the enclosure against weathering action. (iv) Special paint treatment with pure polyster powder/epoxy to be provided for better weather resistance. (v) Well designed ventilation system to be provided to put out the heat from the chamber efficiently. (vi) For effective acoustic/weather sealing a special type weather sealing gaskets, new frame rubber gaskets to be used.

(vii) Working space is to be provided around the equipment for easy maintenance/repairs. (viii) Necessary cut out provision for entry and exist of fuel lines cable to be incorported in the enclosure as per the requirement. (ix) See through transparent window(glass or acrylic) in front of engine panel to be provided for monitoring the operation. (x) Ducting if required, bellows, mechanical hardware like locks, hinge, fasters etc to be provided.

(xi) Deliverables 75DB @ 1 meter at 75% load under free field conditions. The temp inside the enclosure will be with in limit and as per manufacturers recommendations above ambient temp. (xii) The enclsoure should be provided with bulk head light fitting for inside illumination. (xiii) The exhaust pipe along with proper aluminium cladding, shall be laid to a height of above the roof level. The rates for the same are to be included in the quoted rates.

(xiv) The batteries should be placed inside the enclosure inside the DG Set on a suitable insulated platform. (xv) The DG set should be provided with external emergency stop push button. (xvi) Provn of 2 Nos 11 Watts LED lamp fitting of approved Make incl wiring inside canopy with single switch controlled. (xvii) Fuel gauge to be provided with the neck of fuel tank. (xviii) Tools as per manufacturers with the box.

(xix) Invents of suitable company be manufacture. (xx) The acoustic enclosure parts shall be of powder coated after pre treatment process. (xxi) Unit rate shall deemed to be included for arrange diesel,oil,coolant and artificial load for final testing recording readings of DG set at site. (xxii) factory made exhaust pipe of suitable size for DG set with aluminium cladding shall be provided as per latest CPCB norms with nessary stacking arrangements of MS stack structure duly painted and the same shall be got approved from Accepting officer.

(e) Civil Work : All civil works including RCC/ PCC platform 1:3:6 type C2 and related to foundations including of panel and equipments including making good and existing structure of disturbed during installation and commissioning of Gen Set, The depth of the foundation shall be minimum 300mm with anti vibration pads or as recommended by the manufacturer. The foundation drawing for DG Set shall got be approved by Engr-In-Charge before laying of foundation. The Contractor has to obtain approval for RCC/PCC foundation for the DG Set with the manufacturers, it shall deemed to be included in quoted rate & obtain written certificate from the manufacturers for the same. (f) Disconnecting of existing connections from 2x DG sets complete including dismantling of DG sets and shifting to E/m store in AGE E/M sub division for shifting of DG sets its transportation like vehicle, crane , labour,fork lifter or any equipment required is deemed to be included in quoted rate.

M&L for outdoor type APFC panel comprising of Contactor Capacitor switching panel 415V, non- linear load 15% 450 KVAR with 8 steps (2x100 + 4x50 +2x25) , 630 Amp of Incomer MCCB , 415V, 50kA with O/L, S/C, E/F,TM based. 0-600 Amp range Digital ammeter/Voltmeter(0-500V),500/5A ratio,15VA,CL-1, current transformer - 3 nos Details Desciption:- 1. System parameters: 415V, 50Hz, 25kA/1sec, 4Wire Solidly Earthed Neutral.

9. All CT shall be bar type CT ratio 500/5 primary Class 1,15VA 10. Auto Manual Switches and indication shall be provided, RYB incomer indication, ON/OFF/TRIP/TEST indication shall be provided. 11. Holder for lamp. 12. 1nos 230V, 15A 3pin Socket Shall be provided, 1nos Make Anchor / LEGRAND / Repurted Space heater 240V,50Hz supply. 230V 18W LED Lamp .Required Qty of 8", 230V,radial Cooling fan shall be provided. 13. Coper Cable 1.5sqmm for control and 2.5sqmm for CT. 14. Control MCB.

15. Paint Shade of the panel shall be Light Gray 631 of IS : 5 min 80micron thick, Floor mounted cubicles shall be provided with a 75mm high channel base frame. The total height of thecubicle shall not exceed 2400 mm, CRCA sheet shall be 3.5mm thick, IP 65 outdoor type for load bearing and 1.6 mm thk for non load bearing, Incomer shall be at height of min 400mm. 2nos eathing connection shall be provided. Cable entry shall be bottom with gland plate of 3mm thk. . Gasket shall be of high quality neoprene. Busbar : Aluminium.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of following size:-

(a) 3.5 core x 70 Sqmm

(b) 3.5 core x 240 Sqmm

(c) 3.5 core x 400 Sqmm (from proposed transformer to AMF panel to ACB panel )

M&L for earthing complete with Galvanised steel earth plate electrode 60cm x 60cm x 6.3mm, buried directly in ground( earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5m below ground level connected to and including GI strip 25x4 mm protected with GI medium grade pipe 40mm dia for earth electrode upto test point or upto 7.5 mtr whichever is less by means of bolts, nuts, check nuts and washers all shown in electrical plate No 3 (of SSR part-I) connected to earthing test point all as specified or indicated including provision of necessary excavation and earth work of any type of soil, PCC pit , RCC cover, 50mm thick with 8mm dia TMT bar @ 100cm c/c both way , 20mm bore light grade watering pipe, water funnel, comman salt, charcoal dust, returning filling, in of soil, removal of soil to a distance of not exceeding of 50 mtr etc, including testing on completion complete

(a) ACB 4 Pole Drawout type 1600 Amps 50KA, including overload, short circuit, earth fault relay - 01 No. (as incommer) for LT panel 1

(a) ACB 4 Pole Drawout type 1600 Amps 50KA, including overload, short circuit, earth fault relay - 01 No. (as incommer) (a) MCCB 4 Pole 350 Amps, 36KA - 01 No. (as out going) (b) MCCB 4 Pole 200 Amps 25KA -01 No. (as Outgoing-01) (c) MCCB 4 Pole 250 Amps 25KA -02 No. ( as spare) (d) MCCB 4 Pole 63 Amps 16KA -03 Nos. (as out going) (e) MCB 4 Pole 63 Amps 10KA 'C' curve -10 Nos. (as out going)

Supply and erection HOT DIPP GALVANIZED carbon Steel wire Mesh Cable Trays as per EN-ISO-1461 with internal dimensions as mentioned below. The load beaing capacity of the cable trays should be minimum as specified. The cable trays to be manufactured with a longitudunal 'T- welded " safety edge along the top wire of the sidewall. The deflection charracteristic of the tray must be tested in accordance with the European Standard CEI 61537. Fire test certificate in accordance with the E30/E90 Standard Directives as per DIN 4102-12. All surfaces are treated as the tray. cable trays shall be coupled together by using 25mm/30mm counter clamp combination. Without Couplers the installation will not be accepted. The coupling must have the same surface finish as the tray. The Cutting of cable Trays to be done by using COUPFILGM Cutter. electrical Continuity across a coupling must be demostrated by means of publised test methods and results as per IEC-61537. A degree of EMI protection is demostrated by means of publised test methods and results including cost & conveyance of materials, Taxes, installation charges etc, complete item of work. The coat of the materials should include the Trays, Couplers, Accessories for Bends and T's Supporting arrangement at the span of 1.5 mter and Erection as per site conditions for calbe tray comprising of CF 105/600GC cable tray GC, EDRNDC-fast splice, Console CU600GC, KITASSTRDC for TEES and bends Cablofil etc complete.

N K BUILDERS

HARSHITHA INFRA

Leo Air and Power Solution pvt Ltd.

BRITE INDUSTRIES

M/S JIWAN KUMAR MITTAL

NATIONAL ENGINEERING CORPORATION

Maruthi international

Shekhar Enterprises

M/S GDR CONSTRUCTIONS

CHAVA CONSTRUCTIONS AND ELECTRICAL PROJECTS