Augmentation of power supply system at New Civil Airport Jaisalmer

Amount

SUB HEAD - I - HT PANELS Supplying, installation, testing & commissioning of indoor type floor mounted metal clad, 11KV VCB panel with 3 Nos. VCBs, totally enclosed & fully interlocked, horizontal drawout, horizontal isolation type breaker as per IS 13118, as amended up to date and additional specifications, having capacities as mentioned below, single break, trip free mechanism, motorised charged and auto/ manually closing breaker suitable for use on 11 KV, 3 Phase, 50Hz A.C. supply with short circuit fault level of 350 MVA, complete with self contained fully interlocked, rack in and rack out mechanism, air insulated but encapsulated copper bus bars of 630 Amps capacity, breaker featured with mechanical ON/ OFF indicator with hand trip device, spring release coil, shunt trip coil , auxiliary contacts of 6 NO + 6 NC and equipped with following switchgears and accessories i/c one earth truck, connections suitable for 3C x 240 sq.mm. XLPE cable of 11KV grade (cable entry from bottom), power pack with 220 volt AC input & 24V DC continous output. 2.5 Sq. mm coper conductor single core cable for voltage & 2.5 Sq.mm for current circuit, danger notice plates, etc. necessary metering protection and indication and mounted with the following switch gears as per technical specifications etc. complete as required.

B) Outgoing - 2 Nos. 630 A VCB each having following accessories. i) Digital flush type class-0.5 accuracy multifunction meter with RS485 showing V, A, PF, KVA , KW, KWH etc. as required. ii) 1 set -Microprocessor based numerical relay with O/L , E/F and S/C protection and Non-Volatile memory for 200-event log, Twenty-fault-record with time-stamp, Local HMI and user-programmable 4DI/6DO. Relay shall have dedicated button to ON/OFF circuit breaker when required and should be communicable on MODBUS (RS485) protocol. iii) Set of dual core dual ratio 3 CTs 100/ 50/ 5/ 5 A of 15VA burden and accuracy Class-0.5 for metering and class 5P10 for protection. iv) LED indication lamps for R,Y,B, Breaker ON,OFF,TRIP, Trip circuit healthy, spring charged, DC supply healthy, etc. as required. v) Transformer protection release with 8 window annunciation, hooter etc. as required.

TRANSFORMER Supplying, Installation, Testing & commissioning of 1600 KVA 11KV/.433KV, Dyn11, 3phase 50Hz, indoor type copper wound, Oil type step down transformer ONAN i/c oil complete with all modern fittings as required including lifting lugs, Roller type bi-directional wheels,cable end box on HV side suitable for 3C X 240 Sqmm XLPE cable of 11KV grade & suitable busduct (2500Amps.) connection arrangement on LV side, disconnecting chamber on both sides, winding temprature indication & alarm, bucholz relay , earthing terminals, diagram and rating plate, explosion vent, OFF load tap changer (+5% to -10%) @ of 2.5% steps etc. complete as required. First filling of filtered dehyderated transformer oil and with topping quantities of oil to be supplied separately. Testing of oil before and after commissioning & also if filteration required is included in the scope. Transformer shall be confirming to IS: 1180, Level-2 with latest amendments complete in all respects as required at site.

H.T.CABLE: Supply of following 11KV (E), XLPE aluminium conductor cable conforming to IS:7098 (Part-II) 1985 with latest ammendment and complete as per specification. a) 3 x 240 Sq.mm

H.T. CABLE LAYING : Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. Above 120 sq. mm and upto 400 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing masonry open duct as required. Above 120 sq. mm and upto 400 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing RCC/HUME/ METAL pipe as required. Above 120 sq. mm and upto 400 sq. mm

H.T. CABLE END TERMINATION Supply and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for 3 core X 240 sqmm XLPE aluminium conductor cable of 11 KV (E) grade as required.

Supply and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for 3 core X 240 sqmm XLPE aluminium conductor cable of 11 KV (E) grade as required.

Providing, laying and fixing 150 mm dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching (75 cm deep)and re-filling etc as required.

Supply of ISI mark Double Wall Corrugated HDPE pipe of size 160 mm OD & 135 mm ID in 6 mtr length bar as per IS 14930 part -II with upto date ammendment including snapfit coupler complete as required & as specified and laying in ground below three ft or laying on surface with M S clamp, nut, bolts complete as required.

APFC Panel - 500 KVAr Supply, installation, testing and commissioning of dust, damp and vermin proof cubicle free floor, indoor type factory built sheet steel enclosed modular bolted construction extendable APFC panel comprising of 500 KVAR with heavy duty capacitors units in a bank formation to achieve Automatic operation. suitable for operation on 415 ±10% volts, 50 Hz AC 3 phase 4 wire supply system fabricated out of Form 4b compartmentaised design and covered with CRCA sheet steel of 2mm thick for frame work and 1.6mm thick for doors/ covers, i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade, TPN Aluminium bus bars of high conductivity, DMC/SMC bus bar supports, with short circuit with stand capacity of 50KA for 1 sec., bottom base channel of section not less than ISMC 75mm, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of suitable size with 2 nos earth studs,including control wiring with 2.5sqmm. PVC insulated FRLS copper conductor Single Core cable for voltage & 2.5sq.mm for current circuits, danger notice plates, etc. necessary metering protections & indications and mounted with the following switch gears as per drawing and technical specifications etc. complete as required. The Capacitor Bank shall be of type tested design as IS-16636-2017, IEC 61921 and IEC 61439-1 & 2.

BUS TRUNKING Supplying, installing by suspension on ceiling, testing and commissioning of following capacity Sandwich Type Rising Mains for use on 3 phase 4 wire 415 volts, 50Hz A.C. supply with metal clad enclosure having IP-54 rating after fixing the tap off boxes and all accessories, made of 1.6mm thick steel sheet duly powder coated in convenient sections complete with 4 Nos aluminium bus bars having current density of 130 A/ sq cm at nominal current rating, necessary joints, elbow joints & expansion joints and bends, fire barrier at each floor, provision of tapping at every metre, adopter box and copper flexible for joints, continuous earthing with 2 Nos aluminium strip of suitable size (one on each side) including, G.I. clamping brackets, suspenders, angle iron bracket, steel fasteners, connecting to earthing system etc. as required.

LT Distribution Panels (Type Tested Assemblies as per IEC 61439) Essential MV Switch Board (TTA) Supply, installation, testing and commissioning of dust, damp and vermin proof cubicle free floor, indoor type factory built sheet steel enclosed modular bolted construction extendable Main LT panel, suitable for operation on 415 ±10% volts, 50 Hz AC 3 phase 4 wire supply system fabricated out of Form 4b compartmentalised design and covered with CRCA sheet steel of 2mm thick for frame work and 1.6mm thick for doors/ covers, 3mm thick for gland plates i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade, having extensible type TPN Aluminium bus bars of high conductivity, DMC/SMC bus bar supports, with short circuit with stand capacity of 50KA for 1 sec., bottom base channel of section not less than ISMC 75mm, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of suitable size with 2 nos earth studs, solid connections from main bus bar to switch gears with required size of Aluminium bus bars, including control wiring with 2.5sqmm. PVC insulated FRLS copper conductor Single Core cable for voltage & 2.5sq.mm for current circuits, cable alleys, cable gland plates in two half, danger notice plates, with interconnections, necessary metering protections & indications and mounted with the following switch gears as per drawing and technical specifications etc. complete as required.

Incomers & Buscoupler i) 1250 Amp. 4 Pole ACB - 3 set(2 for Incomer & 1 For Buscoupler (From AMF Panel) 1250 Amps, Four pole horizontal drawout type Air Circuit Breaker(ACB) of fault breaking capacity 50 KA (Ics=100%Icu=Icw(1sec.)) EDO with inbuilt ZSI feature for Total Discrimination and RS485 Port compatibility, fitted with interlocked, Electrically and mechanically ON/OFF and service/test/isolated position indicators and frame earthing contact, conforming to IS:13947-2; 1993 as amended upto date complete with following accessories and features for each ACB. Microprocessor based release for over current, earth fault & short circuit protection and Current Parameters measurement on inbuilt display. LED bargraph on release ensures easy access to % phase wise loading information. Mechanical ready to close features checks all safety parameters before closing for enhanced safety. No derating upto 50 Deg C and Fully rated neutral with inbuilt protection and suitable to receive bus duct connections. ii) Metering, indications and protections for each incomer : a) LED indication lamps for RYB, breaker 'ON/ OFF/ TRIP', spring charged, DC control supply healthy etc with 2Amp control MCBs b) Set of Digital flush type class - 0.5 accuracy multifunction meters (with RS485 port) 0- 1250A, showing V, A, PF, Hz, KW, KWH, KVAR, etc.with 3 Nos. cast resin current transformers of 1250/5 Amp ratio, 15 VA Class 0.5 metering. c) Under voltage/ Overvoltage with definite time relay & master trip relays - 1 set for Transformer incomer & Master trip relays - 1 set for DG incomer. d) Suitable size & nos of CT's for all protection relays (class 5P10, 15VA) and APFCR (class 0.5, 15VA) etc as per drawings

Bus Bar : TPN aluminium extensible type main bus bars of minimum of 1600 Amps. capacity & auxiliary Bus Bars of suitable capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 50kA capacity. Outgoings: i) 4 Nos. - 630 Amp., 4 Pole, 50kA Microprocessor based MCCB (Ics=100%Icu) with built-in protection functions for over current, short circuit current and Earth Fault with embedded display and double break fast tripping mechanism complete as required for existing essential panel Each outgoing breaker shall have the following accessories- a) 1 No. - 96 mm X96 mm. flush pattern digital type multifunction meter (with RS485 port) showing V, A, PF, Hz, KW, KWH, KVAR, etc. and three nos. cast resin suitable rating of CT's, class 0.5 accuracy & 15 VA burden, protection MCB's etc. b) LED indication lamps with 2Amp back up control MCB for RYB, breaker 'ON/ OFF/ TRIP', spring charged, DC control supply healthy, test terminal block set, circuits as per standard practice etc. as required for all ACB's. c) Extended rotary operating mechanism, terminal extension spreaders, LED indication lamps with 2Amp control MCB for breaker 'ON/OFF' for all MCCB's.

Non-essential MV Switch Board cosist of: (TTA) Supply, installation, testing and commissioning of dust, damp and vermin proof cubicle free floor, indoor type factory built sheet steel enclosed modular bolted construction extendable Main LT panel, suitable for operation on 415 ±10% volts, 50 Hz AC 3 phase 4 wire supply system fabricated out of Form 4b compartmentalised design and covered with CRCA sheet steel of 2mm thick for frame work and 1.6mm thick for doors/ covers, 3mm thick for gland plates i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade, having extensible type TPN Aluminium bus bars of high conductivity, DMC/SMC bus bar supports, with short circuit with stand capacity of 50KA for 1 sec., bottom base channel of section not less than ISMC 75mm, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of suitable size with 2 nos earth studs, solid connections from main bus bar to switch gears with required size of Aluminium bus bars, including control wiring with 2.5sqmm. PVC insulated FRLS copper conductor Single Core cable for voltage & 2.5sq.mm for current circuits, cable alleys, cable gland plates in two half, danger notice plates, with interconnections, necessary metering protections & indications and mounted with the following switch gears as per drawing and technical specifications etc. complete as required.

Incomers (i) 2500 Amp. 4 Pole ACB - 2 set (From transformer ) 2500 Amps, Four pole horizontal drawout type Air Circuit Breaker(ACB) of fault breaking capacity 50 KA (Ics=100%Icu=Icw(1sec.)) EDO with inbuilt ZSI feature for Total Discrimination and RS485 Port compatibility, fitted with interlocked, Electrically and mechanically ON/OFF and service/test/isolated position indicators and frame earthing contact, conforming to IS:13947-2; 1993 as amended upto date complete with following accessories and features for each ACB. Microprocessor based release for over current, earth fault & short circuit protection and Current Parameters measurement on inbuilt display. LED bargraph on release ensures easy access to % phase wise loading information. Mechanical ready to close features checks all safety parameters before closing for enhanced safety. No derating upto 50 Deg C and Fully rated neutral with inbuilt protection and suitable to receive bus duct connections. (ii) Metering, indications and protections for each incomer: a) LED indication lamps for RYB, breaker 'ON/ OFF/ TRIP', spring charged, DC control supply healthy etc with 2Amp control MCBs b) Set of Digital flush type class - 0.5 accuracy multifunction meters (with RS485 port) 0- 2500A, showing V, A, PF, Hz, KW, KWH, KVAR, etc.with 3 Nos. cast resin current transformers of 2500/5 Amp ratio, 15 VA Class 0.5 metering. c) Under voltage/ Overvoltage with definite time relay & master trip relays - 1 set for Transformer incomer & Master trip relays - 1 set for DG incomer. d) Suitable size & nos of CT's for all protection relays (class 5P10, 15VA) and APFCR (class 0.5, 15VA) etc as per drawings

ii) Bus Bar : TPN aluminium extensible type main bus bars of minimum of 3200 Amps. capacity & auxiliary Bus Bars of suitable capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 50ka capacity.

iii) Outgoings: i) 6 No. - 1250 Amps, Four pole horizontal drawout type Air Circuit Breaker(ACB)of fault breaking capacity 50 KA (Ics=100%Icu=Icw(1sec.)) EDO with inbuilt ZSI feature for Total Discrimination and RS485 Port compatibility, fitted with interlocked, Electrically and mechanically ON/OFF and service/test/isolated position indicators and frame earthing contact, conforming to IS:13947-2; 1993 as amended upto date complete with following accessories and features for each ACB. Microprocessor based release for over current, earth fault & short circuit protection and Current Parameters measurement on inbuilt display. LED bargraph on release ensures easy access to % phase wise loading information. Mechanical ready to close features checks all safety parameters before closing for enhanced safety. No derating upto 50 Deg C and Fully rated neutral with inbuilt protection & suitable to receive bus duct connections. (2 Nos for HVAC,2 No"s for AMF, 2 No Cap Panel) ii) 4 Nos. - 630 Amp., 4 Pole, 50kA Microprocessor based MCCB (Ics=100%Icu) with built-in protection functions for over current, short circuit current and Earth Fault with embedded display and double break fast tripping mechanism complete with spreader links and extendable ON/OFF rotary handle iii) 6 Nos. - 400 Amp., 4 Pole, 50kA Microprocessor based MCCB (Ics=100%Icu) with built-in protection functions for over current, short circuit current and Earth Fault with embedded display and double break fast tripping mechanism complete with spreader links and extendable ON/OFF rotary handle iv) 4 Nos. - 250 Amp., 4 Pole, 50kA Microprocessor based MCCB (Ics=100%Icu) with built-in protection functions for over current, short circuit current and Earth Fault with embedded display and double break fast tripping mechanism complete with spreader links and extendable ON/OFF rotary handle v) 6 Nos. - 160 Amp., 4 Pole, 50kA Microprocessor based MCCB (Ics=100%Icu) with built-in protection functions for over current, short circuit current and Earth Fault with embedded display and double break fast tripping mechanism complete with spreader links and extendable ON/OFF rotary handle vi) 8 Nos. - 100 Amp., 4 Pole, 50kA Microprocessor based MCCB (Ics=100%Icu) with built-in protection functions for over current, short circuit current and Earth Fault with embedded display and double break fast tripping mechanism complete with spreader links and extendable ON/OFF rotary handle Each outgoing breaker shall have the following accessories- a) 1 No. - 96 mm X96 mm flush pattern digital type multifunction meter (with RS485 port) showing V, A, PF, Hz, KW, KWH, KVAR, etc. and three nos. cast resin suitable rating of CT's, class 0.5 accuracy & 15 VA burden, protection MCB's etc. b) LED indication lamps with 2Amp back up control MCB for RYB, breaker 'ON/ OFF/ TRIP', spring charged, DC control supply healthy, test terminal block set, circuits as per standard practice etc. as required for all ACB's. c) Extended rotary operating mechanism, terminal extension spreaders, LED indication lamps with 2Amp control MCB for breaker 'ON/OFF' for all MCCB's. Buscouplers 2500 Amp 4 pole ACB - 1 set. 2500 Amps, Four pole horizontal drawout type air circuit breaker of fault breaking capacity 50 KA (Ics=100%Icu=Icw(1sec.)) EDO, fitted with interlocked, Electrically and mechanically ON/OFF and service/test/isolated position indicators and frame earthing contact, conforming to IS:13947-2; 1993 as amended upto date complete with following accessories and features for each ACB. No derating upto 50 Deg C and Fully rated neutral.

Floor Distribution Board-1 FF (N.ESSENTIAL) (Partially Type Tested assembly- PTTA) Supply, installation, testing and commissioning of dust, damp and vermin proof cubicle free floor, indoor type factory built sheet steel enclosed modular bolted construction extendable Main LT panel, suitable for operation on 415 ±10% volts, 50 Hz AC 3 phase 4 wire supply system fabricated out of Form 4b compartmentalised design and covered with CRCA sheet steel of 2mm thick for frame work and 1.6mm thick for doors/ covers, 3mm thick for gland plates i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade, having extensible type TPN Aluminium bus bars of high conductivity, DMC/SMC bus bar supports, with short circuit with stand capacity of 50KA for 1 sec., bottom base channel of section not less than ISMC 75mm, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of suitable size with 2 nos earth studs, solid connections from main bus bar to switch gears with required size of Aluminium bus bars, including control wiring with 2.5sqmm. PVC insulated FRLS copper conductor Single Core cable for voltage & 2.5sq.mm for current circuits, cable alleys, cable gland plates in two half, danger notice plates, with interconnections, necessary metering protections & indications and mounted with the following switch gears as per drawing and technical specifications etc. complete as required..

SUB STATION SAFETY EQUIPMENTS ( In the sub-station building as required and as per detailed specifications.)

Supply of Rubber hand gloves suitable for 11 KV.

Supply of trilingend first aid chart ( English, Hindi, and in Regional Language) alongwith First aid box containing material as prescribed by St. John Ambulance brigade OR Indian Red Cross complete as required.

Supply and fixing of fire retardant/extinguishing electrically insulated ISI Mark PVC synthetic mat of following sizes and voltage grade confirming to IS 15652-2006 having no adverse effect of mineral oil (acid/alkaline), water proofing of floor, sealing all joints and fixing with suitable chemical as required and as specified.

1000 mm wide X 2 mm thick suitable for all voltages not exceeding 3.3KV grade AC system voltage.

1000 mm wide X 2.5 mm thick suitable for all voltages not exceeding 11KV grade AC system voltage.

Providing & fixing danger plates made of mild steel at least 2 mm thick & vitreous enameled white on both sides & with inseriptions in signal red colour on front side as read,

(a) High Voltage-Size 250 mm x 200 mm

(b) Medium Voltage-size 200 mm x 150 mm

Providing and fixing carbon dioxide (CO2) type fire extinguishers confiming to IS 2878:1976 and cylinders fully charged of tollowing capacity. (a) 6.5 KG

Supply and fixing of foam fire extinguishers Portable type 50 liter capacity hanged on wall with bracket complete as required.

Supply and fixing safety instruction chart in word duly framed with 5 mm thick glass as required.(approx. front area 1.20 sq. mt)

Providing of set of 4 Nos. 9.5 Litre capacity Gl bucket painted in post office red colour with prior coat of red oxide paint and written with white paint 'FIRE and mounted on MS angle iron frame with bracket of appropriate size & capacity i'c filling sand etc.

Providing First Aid Box as approved by St.John Ambulance Brigade/indian Red Cross conforming to IS 2217:1963.

SH- II S.I.T.C. OF DG SET I/C AMF PANEL & ASSOCIATED WORKS S.I.T.C. of "Silent Type" DG set comprising of following :- i) 1 No. Alternator suitable for generating 750 KVA power at 0.8 pf, 415 V, 3 phase, 50 Hz, 1500RPM, self excited, self regulated & self ventilated with brushless excitation & conforming to IS 4722 & BS-2613 all complete as required. ii) 1 No. multi cylinder, 4 stroke, turbo charged water cooled diesel engine developing required BHP at 1500rpm suitable for above alternator & complete with all accessories i.e. base frame, fly wheel, air cleaner, coupling, starting equipment, arm pads, batteries, radiator, speed governing mechanism to keep correct frequency at all operating conditions well within limits laid down in relevant BS/IS for class AI governing with amended upto date & anti-vibration pads, batteries etc. complete as required. iii) 1 no. AMF panel suitable for operation on 415V, 3 phase, 50 Hz, AC supply in conjuction with 'Mains' & "Generating Set' for providing continuous power supply with a break not exceeding 15 sec. with PLC based control system. Supplying & Laying control cable (10 core x 2.5 sqmm copper conductor) connection and inter-connection etc. and having manual draw out type Four Pole motorised ACBs of 1250 Amps for mains and alternator and comprising of battery charger and relays, meters, bypass arrangement etc. all as reqd. and as specified i/c interconnection of 2 AMF panels as required. iv) In-built fuel tank as per OEM specification complete as required. v) 12V/24V DC starting system comprising of starter motors: voltage regulator and arrangement for initial excitation complete with suitable nos. of batteries (25 plates, 180Amp. hour capacity lead acid type) complete as required. vi) Accoustic and weather proof enclosure with arrangement for fresh air intake for cooling of the engine & alternator, extraction, discharging hot air into the atmosphere as per specifications.

S.I.T.C. of calibrated HSD buffer/service tank, rectangular MS (IS:226) construction with 990 ltrs. capacity complete with flanged inlet & outlet, overflow, drain, vent, mechanical level indicator, 450mm dia access hole on top with cover, flame arrestor. Tank will be made out of 3mm MS sheet & will be provided with structural support to keep tank base at (2000mm) above FFL with access ladder arrangement, painting etc. complete as required.

Supply of 1.1 KV grade XLPE armoured aluminium conductor cable of following sizes & as per IS:7098-part-I specifications i/c loading/unloading & transportation of cables etc. complete as required:

a) 3½ x 70 sqmm

b) 3½ x 95 sqmm

(c) 3½ x 150 sqmm

(d) 3½ x 400 sqmm

Laying of one number PVC insulated & PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC / HUME / METAL pipe as required:-

(a)Above 35 sqmm and upto 95 sq.mm

(b)Above 95 sq. mm and upto 185 sq. mm

(c) Above 185 sqmm & upto 400 sqmm

Laying of one number PVC insulated & PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing masonary open duct as required:-

(a)Above 35 sqmm and upto 95 sq.mm

(b)Above 95 sq. mm and upto 185 sq. mm

(c) Above 185 sqmm & upto 400 sqmm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on cable tray as required.

(a)Above 35 sqmm and upto 95 sq.mm(clamped with 25x3mm MS flat clamp)

(b)Above 95 sq. mm and upto 185 sq. mm(clamped with 25/40x3mm MS flat clamp)

(c) Above 185 sqmm & upto 400 sqmm(clamped with 40x3mm MS flat clamp)

Excavation of the cable trenches in hard rock not exceeding 1.5 meters in width, and lift upto 1.5 meters, including getting out the excavated soil and disposal of excavated soil as directed within a lead of 50 meters.

Supplying & making end termination with brass compression gland & aluminium lugs for following size of PVC insulated & PVC sheathed/XLPE aluminium conductor cable of 1.1 KV grade as required.

(a) 3½ x 70 sqmm

(b) 3½ x 95 sqmm

(c) 3½ x 150 sqmm

(d) 3½ x 400 sqmm

Earthing with G.I. earth plate 600mm x 600mm x 6mm thick i/c accessories & providing masonary enclosure with cover plate having locking arrangement & watering pipe of 2.7 metre long etc. with charcoal/coke & salt etc. as required.

Earthing with copper earth plate 600mm x 600mm x 3mm thick i/c accessories & providing masonary enclosure with cover plate having locking arrangement & watering pipe of 2.7 metre long etc. with charcoal /coke and salt as required.

Supplying & laying 25 mm x 5 mm copper strip at 0.50 metre below ground as strip earth electrode i/c connection / terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping & with 2 sets of brass nut bolt & spring washer spaced at 50mm).

Supplying & laying 25mm x 5mm G.I strip at 0.50 metre below ground as strip earth electrode i/c connection/terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping & with 2 sets of G.I. nut bolt & spring washer spaced at 50mm).

Providing & fixing 25 mm x 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required.

Providing & fixing 25mm x 5mm G.I. strip in 40mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.

Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Cutting road and making good the same including supply of extra quantities of materials i.e. aggregrate, moorum screening, red bajri & labour required:-

Bituminous portion

Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) in foundation of DG set etc including form work etc as required.

Supplying and installing following size of perforated painted with powder coating M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc as required

150 mm width X 50 mm depth X 1.6 mm thickness

300 mm width X 50 mm depth X 1.6 mm thickness

Dismentaling & Shifting of 01 No, 50 KVA DG Set along with AMF Panel from Existing Power House (New Airport) to Existing Power House (Old Airport-Airforce Area) i/c Loading, Unloading by arranging manpower and suitable machinery for carrying out & transportation etc. complete as required.

Installation, Testing & Commissioning of Old (Existing) 50 KVA DG Set along with AMF Panel i/c cable connections/wiring work etc. complete as required.

Dismantaling of 100 KVA DG Set from power house to the site as instructed by Engineer in charge.

Dismantling & Shifting of 500 KVA transformer from transformer room to the site as instructed by Engineer -Incharge

Dismantling & Shifting of existing Non essential panel and HT panel from power house to the site as instructed by Engineer -Incharge

RAJASTHAN CRANE SERVICES

RASS CONTRACTOR AND ENGINEERS

EVERCREST PROJECTS PVT LTD

Metropolitan Infrabuild Development And Services Pvt Ltd

MEC ENGINEERS

Power And Instrumentation Guj Ltd

National Engineering

DOSHI ELECTRIC ENGG. CO.

ALFA DEAL PRIVATE LIMITED

SHIVRAM ELECTRICALS