Augmentation of Power Supply system at Maharana Pratap Airport, Udaipur

Amount

Supply, Installation, Testing & Commissioning of indoor type (IP 4X) floor mounted metal clad, 33KV Switch Board VCB panel with 5 Nos. (2 I/c + 3 O/g) VCBs, totally enclosed & fully interlocked, truck mounting, horizontal draw out, horizontal isolation type vacuum circuit breaker as per IS / IEC 62271- 100 (2007) for breakers & 200 (2003) for panels , IS 3247 as amended up to date, having capacities as mentioned below, free standing extensible on both sides, single break, trip free mechanism, motorised charged and auto/ manually closing breaker suitable for use on 33KV, 3 Phase, 50Hz A.C. supply with short circuit fault level of 1500 MVA, complete with self contained short time current 26.3 kA for 3 sec, Internal Arc Test for AFLR 26.3 kA for 1

sec at individual compartments i.e Busbar, VCB, and cable compartment, rack in and rack out mechanism, air insulated but encapsulated copper bus bars capacity meeting fault level current , DC power pack, breaker featured with mechanical ON / OFF indicator with hand trip device, Breaker control TNC switch and all accessories such as shunt trip coil, and auxiliary switch of 4NO+4NC, motorised and manually operated spring assisted closing mechanism, emergency trip push button, interconnections, space heaters, earthing, etc. and equipped with following switchgears and accessories, connections suitable for cable upto 3C x 300 sqmm XLPE cable of 33KV grade (cable entry from bottom). Integral earthing switch shall be provided for grounding of incoming and outgoing breaker section, bus section etc. for maintenance purpose. The earthing truck shall be so designed that it is impossible to earth a live cable termination. A. 2 Nos. Incomer with electrical interlocking Each consisting of following; 1 No. of 630 Amp , 33KV, 3 Ph, 3P VCB 1 No - Multifunction Meter with accuracy class 0.5 LED display of I ,V, Hz, Active, Reactive , Apparent Power & Energy, Power factor, %THD , Maximum demand load, (complying with IEC61557-12) with RS 485 & Ethernet port and protection MCB and required accessories to

complete the system. 3 No. Cast resin drawout type PTs 33KV/√3 / 110 /√3, class 0.5,100 VA burden including HT HRC fuse on 33KV Side and MCBs on secondary side protction. 3 No. Cast resin insulated Dual core 3 CTs 150 / 5-5A of 15VA burden and accuracy Class -0.5 for metering and class 5P10 for protection. Aux. relays for Anti Pumping & indication. Trip Circuit supervision relay - Master Trip Circuit Relay 1 No. Micro processor based over current, short circuit 50,50 N & earth fault numerical IDMT relay with having RS 485 modbus communication facility consisting 3 element for over current relay, Over & under voltage protection relay and one earth fault capable of storing last 10 trip history. 1 No. arc flash protection relay with sensor and fiber cable. 1 No. Over & under frequency relay. 1 No. Maximum Demand Controller. 1 No. Alarm annunciator with minimum 8 windows and buzzer, ACK, rest, test push button for transformer faults and electrical faults in respective window such as Master trio operated, Trip circuit unhealthy, DC& Earth fault trip, AC fail etc in respective window. B. Busbar 1000 Amps TP, 36KV Copper Bus bar with heat shrinkable

insulated sleeves with cast epoxy insulator to withstand full short circuit currents upto 26.3 kA for 1 second. C. Outgoings 3 Nos each consisting of following; 1 No. 630 Amp., 33KV VCB horizontal draw out type VCB with motorized spring charge mechanism, T/N/C switch and required safety switchgears complete Aux. relays for Anti Pumping & indication. Trip Circuit supervision relay - Master Trip Circuit Relay 1 No. Micro processor based over current, short circuit 50,50 N & earth fault numerical IDMT relay with having RS 485 modbus communication facility consisting 3 element for over current relay and one earth fault capable of storing last 10 trip history. 1 No - Multifunction Meter with LED display of | ,V, Hz, Active, Reactive , Apparent Power & Energy, Power factor, %THD , Maximum demand, (complying with IEC61557-12) with RS 485 & Ethernet port and protection MCB and required accessories to complete the system. 3 No. Cast resin insulated Dual core 3 CTs 75/5-5A of 15VA burden and accuracy Class -0.5 for metering and class 5P10 for protection. 1 No. Auxiliary relays for transformer faults WTI Trip, OTI Trip, BUCH Trip with alarm, trip and hooter 1 No. Auxiliary relays for transformer faults PRV Trip, OSR

Trip, MOG Trip with alarm, trip and hooter 1 No. Alarm annunciator with minimum 16 windows and buzzer, ACK, rest, test push button for transformer faults and electrical faults such as Master trip Operated, Trip circuit Unhealthy, O/C & E/F Trip, Buch trip, OTI Trip,WTI Trip, PRV Trip, OSR Trip, BUCH Alarm etc.in respective window. 1 set of Arc fault relay sensors for breaker, cable and busbar compartment with fiber cables. D. All /C & O/G Breaker have following Accessories & Indication 6A MCB for spring charge DC Control Supply healthy & fails Surge Arrestor of type 1, 33KV grade shall be provided for all phases of each incomer AC Supply control ON/OFF Switch Circuit breaker failure Alarm indication VCB spring charge indication Circuit Breaker ON, Circuit Breaker OFF, Auto Trip, Trip circuit healthy, CB in service position, CB in Test Position indications. T-N-C (Trip, Neutral, Close) breaker control switch with indication arrangement. All control wiring with protection & test terminal block as required. Emergency trip push button

2A MCB for lamp 60 watts space heater with thermostat 16 Amp MCB for space heater and plug point 6/16 Amps 5 Pin with switch socket outlet.

Supply, Installation, Testing & Commissioning of Energy efficiency Level 2 Oil filled Type 1600 KVA Transformer, (33KV/ 0.433 KV), 3 Phase, 50Hz, Dyn 11 vector group copper,wound class A insulation, having impedance as per IS-2026, confirming to IP 55, associated with winding temperature indicator/ digital controller temperature detector . The transformer shall be provided with +5% to -10% in steps of 2.5 % each On load tap changer on HT side, having cable end boxes on HV side suitable for 3C x 300 Sqmm. XLPE cable of 33KV grade and on the LT side the transformer shall have a suitable terminal arrangement to receive 3200 Amp. Aluminium bus duct with neutral brought out separately, provision of surge arrestors on HT side including supplying and grouting of suitable MS channels with all accessories for mounting arrangement and confirming to relevant standard as amended up to date & as per specification attached complete in all respects as required at site.

Supply of 3 Core x 300 Sqmm. XLPE insulated PVC sheathed aluminium conductor armoured power cable of 33 KV (E) grade conforming to IS: 7098 (Part-II) 2011 amended upto date.

Laying of one number XLPE power cable of 33 KV grade of following size in the existing masonry open duct as required. Above 120 sq. mm and upto 400 sq. mm

Supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for size of 300 Sqmm. of 3 core, XLPE aluminium conductor cable of 33KV grade as required.

Design, manufacture supply, installation, testing and commissioning of TTA LT Panel (Non Essential Panel-1 shall conform to IEC 61439/1-2 & shall be IP-42 & of Form-4b construction). Incomer 3 Nos. ACB, 2500 Amps, 50 KA, 4 Pole, Microprocessor release Horizontal draw out type of fault breaking capacity 50KA (Ics=Icu=Icw for 1.0 secs) Electrical Draw Out Motorized operated, fitted with interlocked door, automatic safety shutters, mechanical ON / OFF and service/ test/ isolated position indicators and frame earthing contact, conforming to IS-60947-2 1993 as amended up-to-date complete with Independent Electrical & manual spring closing mechanism, Microprocessor release (EMI & EMC certified) for over current (Phase & neutral), earth fault & short circuit protection, Shunt trip coil 24V D.C / 220V A.C, Breaker Control Switch - 16A, Test terminal block set, circuits as per standard practice, auxiliary contactors with contacts (minimum 4NO+4NC) for positive interlocking of the breakers, necessary interlocking with all protection i/e [Earth fault, Under/Over Voltage, Under/Over Frequency, Current & Voltage Unbalance, etc. and Real-time Clock, On-screen display of measurements, Current : phase / neutral / earth, average, max, % loading, seq components, Voltage : Phase, Line, Average. Power and Energy : active, reactive,

total, Frequency and Power Factor, Maximum Demand, and with communication port facility etc. All ACBs shall be provided with mechanical Operation Counter, Door Interlock with Panel door. Each Incomer shall have one set of the following items: Intelligent multi function digital meter to read V,A,KVA, KW, kVAR, PF, Hz etc with communication facility (RS485 port), THD and Individual order harmonics upto 31st Order. LED display with required Nos CTs, 800 / 5,15 VA, class 1.0 and control circuit wiring with 2 Amp MCB for controlling. 1 Set of Indication Lamps, LED type, R,Y,B Phase indicating lamp with 2 Amp MCB for controlling. 1 Set of Indication Lamps, LED type for breaker 'ON', 'OFF', 'TRIP' & spring charged lamps with 2 Amp MCB for controlling. 24V DC / 240 V AC Shunt trip coil. - 1 Set Accessories for Electrical Interlocking 3 Nos. additional CTs of Class-0.5 in each transformer Incoming bus section for 3Phase 3CT capacitor panel / hybrid panel. Single phase preventer, Phase Reversal relay, Under voltage, Over voltage for each transformer with indicator for trip and hooter for alarm. 3 Sets Surge protection device Type 1+2 ( Class B)

Including with inbuilt fuse and all necessary accessories and wire connections as per specifications. Bus Bars TPN aluminium extensible type main bus bars of minimum 3200 Amps. capacity with heat shrinkable coloured sleeves having 100% neutral bus as that of phase i/c DMC / SMC bus bars supports at required intervals complete for cross section, size supports & having spacing etc. for withstanding fault level of 50kA capacity for 1 sec. Bus Coupler 2 No.2500 Amps, 50kA, 4Pole, (EDO) Air Circuit Breaker Horizontal drawout type (without release) of fault breaking capacity 50KA (Ics = lcu = Icw = 50 KA at 440V) Electrical Draw Out Motorized, electrically operated, Independent Electrical / manual spring closing mechanism fitted with interlocked door, automatic safetyshutters, mechanical ON/OFF, service, test, isolated position indicators and frame earthing contact, conforming to IEC60947/ IS-13947-21993 as amended up-to date complete with necessary Auxiliary contact & MCB. Test terminal block set circuits as per standard practice, auxiliary contactors with contacts (minimum 4NO+4NC) for positive interlocking of the breakers, necessary interlocking as per SLD mentioned in technical specifications.

3 Sets Indication Lamps, LED type for RYB with 2 Amp control MCB & breaker 'ON' , 'OFF', 'TRIP' & spring charged lamps with 2 Amp MCB for controlling. Outgoings 2 Nos. Adapter Box for Termination of Outgoing Bus duct. Note: Provide PLC Based Interlocking in separate compartment for between incoming ACBs and bus couplers as shown in SLD in technical specification. 1 No ON, OFF & TRIP indication lamp (LED type) with 2 Amp SP MCB for each outgoing. All ACBs shall be provided with Operation Counter, Door Interlock with Panel door. 1 No. Intelligent multi function digital meter to read V,A,KVA, KW, kVAR, PF, Hz etc with communication facility (RS485 port)%, THD and Individual order harmonics upto 31st Order. LED display with required Nos CTs, (5 / 15) VA, class 0.5 and conirol circuit wiring with 2 Amp protection MCB with all incoming and outgoing ACB's. 1 Set Rotary operating mechanism and terminal extension spreaders for all the ACBs / MCCB's. Space heater with thermostat and MCB Provide DC power Pack for all control circuit and all indications will be on DC Bus.

Extension of existing main LT Panel Design, manufacture supply, installation, testing and commissioning of PTTA cubicle & modular type main LT Panel, made of 2 mm thick sheet steel for frame work and covers, 3mm thick for gland plates, totally enclosed, IP 42 protection, free standing, floor mounting, dust and vermin proof, indoor, compartmentalised, including cleaning & finishing complete with 7 tank process, powder coated, painting, suitable for operation on 3 Phase and neutral, 415v, 50 Hz AC system with Al.busbars extendeble on both sides, fabrication shall be done in transportation sections, entire panel shall have a common copper earth bar of size 25mm x 5mm at the rear with 2 nos. earth stud, control wiring with 2.5 sq.mm. PVC insulated copper conductor, cable alley, cable gland plates, the panel should be similar to the existing panel in order of colour, depth and height. Job include interconnection with existing panel in respect of busbar,bus trunking, interlocking etc. including supply & installation of following items and as per technical specification: (Job includes attachment of above panel with the existing Non Essential Panel by connecting the bus bars.) Bus Bars 1 set of high conductivity Aluminium bus bars of minimum 2500 Amps capacity, TPN with heat shrinkable coloured

sleeves and i/c DMC/SMC busbars supports at required intervals. Outgoings (i) 4 Nos. MCCB, 400A,50 kA, Four Pole , with microprocessor based release having over Current,Short Circuit, Earth Fault Protection. (Ics=Icu).

Design, manufacture supply, installation, testing and commissioning of TTA LT Panel (Essential Panel-1 shall conform to IEC 61439/1-2 & shall be IP-42 & of Form-4b construction). Incomer 2 Nos. ACB,1000 Amps, 50 KA, 4 Pole, Microprocessor release Horizontal draw out type of fault breaking capacity 50KA (Ics=Icu=Icw for 1.0 secs) Electrical Draw Out Motorized operated, fitted with interlocked door, automatic safety shutters, mechanical ON / OFF and service/ test/ isolated position indicators and frame earthing contact, conforming to IS-60947-2 1993 as amended up-to-date complete with Independent Electrical & manual spring closing mechanism, Microprocessor release (EMI & EMC certified) for over current (Phase & neutral), earth fault & short circuit protection, Shunt trip coil 24V D.C / 220V A.C, Breaker Control Switch - 16A, Test terminal block set,

circuits as per standard practice, auxiliary contactors with contacts (minimum 4NO+4NC) for positive interlocking of the breakers, necessary interlocking with all protection i/e [Earth fault, Under/Over Voltage, Under/Over Frequency, Current & Voltage Unbalance, etc. and Real-time Clock, On-screen display of measurements, Current : phase / neutral / earth, average, max, % loading, seq components, Voltage : Phase, Line, Average. Power and Energy : active, reactive, total, Frequency and Power Factor, Maximum Demand, and with communication port facility etc. All ACBs shall be provided with Mechanical Operation Counter, Door Interlock with Panel door and electrical interlocking. Each Incomer shall have one set of the following items: Intelligent multi function digital meter to read V,A,KVA, KW, kVAR, PF, Hz etc with communication facility (RS485 port), THD and Individual order harmonics upto 31st Order. LED display with required Nos CTs, 800 / 5,15 VA, class 1.0 and control circuit wiring with 2 Amp MCB for controlling. 1 Set of Indication Lamps, LED type, R,Y,B Phase indicating lamp with 2 Amp MCB for controlling. 1 Set of Indication Lamps, LED type for breaker 'ON', 'OFF', 'TRIP' & spring charged lamps with 2 Amp MCB for controlling.

24V DC / 240 V AC Shunt trip coil. - 1 Set Accessories for Electrical Interlocking Single phase preventer, Phase Reversal relay, Under voltage, Over voltage for each transformer with indicator for trip and hooter for alarm. 2 Sets Surge protection device Type 1+2 ( Class B) Including with inbuilt fuse and all necessary accessories and wire connections as per specifications. Bus Bars TPN aluminium extensible type main bus bars of minimum 1250 Amps. capacity with heat shrinkable coloured sleeves having 100% neutral bus as that of phase i/c DMC / SMC bus bars supports at required intervals complete for cross section, size supports & having spacing etc. for withstanding fault level of 50kA capacity for 1 sec. Outgoings 4 Nos. MCCB, 250 Amps, 4 Pole, 35 kA with adjustable setting , microprocessor release with O /C &§/C protection, Digital KWH Meter with current display module of class-0.5 accuracy with suitable range of cast resin CT including connections etc as required for each MCCB. 1 No. MCCB , 800 Amps., 4 Pole, 35 kA with adjustable setting , microprocessor release with O /C &§/C protection and spring charged motor for motorized operation, ON/OFF push buttons etc. Complete as required.

(Refer SLD) Note:All incomer breaker should be interlocked 1 No ON, OFF & TRIP indication lamp (LED type) with 2 Amp SP MCB for each outgoing. All ACBs shall be provided with Operation Counter, Door Interlock with Panel door. 1 No. Intelligent multi function digital meter to read V,A,KVA, KW, kVAR, PF, Hz etc with communication facility (RS485 port)%, THD and Individual order harmonics upto 31st Order. LED display with required Nos CTs, (5 / 15) VA, class 0.5 and conirol circuit wiring with 2 Amp protection MCB with all incoming and outgoing ACB's. 1 Set Rotary operating mechanism and terminal extension spreaders for all the ACBs / MCCB's. Space heater with thermostat and MCB Provide Electrical & Mechanical interlocking between each incomers shown in SLD Provide DC power Pack for all control circuit and all indications will be on DC Bus.

Supply, Installation, Testing and Commissioning of pre-fabricated sandwiched type following capacity bus trunking suitable for 3 Phase 4 wire, 415V, 50 Hz AC supply system of aluminium bus bars having Class F insulation complete with angle (elbow) units , expansion units, adapter units(to connect existing air insulated bus duct to new sandwiched bus duct), Flanged ends , horizontal supports, ceiling suspenders with MS angle iron & copper flexible connections at both ends. Bus trunking system shall be IP-54 and made out of Minimum 2 mm thick sheet steel/ Minimum 1.6 mm thick aluminium enclosure. Bus trunking shall be provided with 2 runs of continuous Copper earth bus of size 50mm x 6mm including necessary steel wire rope hanging supports etc. as per specifications etc as required.

3200 Amp TPN (100% Neutral Rating) (Isc=50KA at 1sec.)

1600 Amp TPN (100% Neutral Rating) (Isc=50KA at 1sec.)

Supply and fixing of fire retardant electrically Insulated synthetic mat of class C, 3 mm thick suitable for 33KV AC grade and 240V DC system meeting requirements of IS 15652:2006 tested for breakdown strength, tensile/elongation, aging properties, insulation resistance, effect to acid, alkaline, diesel, transformer oil & leakage current test, fire test etc. having minimum width of 1000 mm + 20 mm along with all allied materials such as Pu-resin, Chemi bound, special PVC adhesive, liquid primer etc. in what so ever quantity required to complete the job as per site conditions and as per instructions from Engineer-in-Charge.

Supply and fixing of fire retardant electrically insulated synthetic mat of class A, 2 mm thick suitable for all voltages not exceeding 3.3 KV AC and 240V DC system meeting requirements of IS 15652:2006 tested for breakdown strength, tensile/elongation, aging properties, insulation resistance, effect to acid, alkaline, diesel, transformer oil & leakage current test, fire test etc. having minimum width of 1000 mm +20 mm along with all allied materials such as Pu-resin, Chemi bound, special PVC adhesive, liquid primer etc. in what so ever quantity required to complete the job as per site conditionsand as per instructions from Engineer-in-Charge.

Supply & fixing shock treatment chart both in Hindi & English duly mounted on a wooden frame with 3 mm thick glass as reqd. (approximate front area 1.00 sq. metre)

Supply and fixing safety Instruction chart both in Hindi & English duly framed with 3 mm thick glass as required. (approximate front area 1.00 sq. metre)

Supply of First aid box containing material as prescribed by St. John Ambulance brigade (Applicable for medium risk) OR Indian Red Cross conforming to IS 2217-1963 complete as required.

Dismantling of existing 33 KV HT panel with 1 I/C & 2 O/G SF6 breakers at Power House i/c removal of HT cable terminations etc. as required and shifting it with in the distance of 50 meters as per discretion of EIC.

Dismantling and reinstallation of exisitng LT panel with 1 I/c ACB and 1 O/g ACB and approx. diamension of 2.15m x 1.25m x 0.80m including attachment with existing main Non Essential panel by interconnecting bus bars.

Supplying and installing of size 300 mm width X 50 mm depth X 1.6 mm thickness of perforated Hot Dipped Galvanised Iron cable tray (Galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.l. suspenders including G.l. bolts & nuts, etc. as required.

Supplying of following sizes of 1.1 kV grade XLPE insulated copper conductor armoured stranded Control Cable conforming to IS: 1554 complete as required and as per specifications

6CX1.5 Sqmm

10CX1.5 Sqmm

Supply of 1.1 kv grade multicore aluminium conductor XLPE insulated and PVC sheathed armoured cable of size 3.5C X 300 Sq.mm. as per IS: 7098:1988 (Part-I) with upto date amendments.

Supplying and making end termination with brass compression gland and aluminium lugs for size of 3.5C X 300 sq. mm (70mm) of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

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.

Above 185 sq. mm and upto 400 sq. mm (clamped with 40x3mm MS flat clamp)

Upto 35 sqmm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of Upto 35 sq. Mm in the existing masonry open duct as required.

Earthing with G.l. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Providing and fixing 75 mm X 5 mm G.l. strip on surface or in recess for connections and loop earthing etc. as required.

Providing and fixing 75 mm X 5 mm copper strip on surface or in recess for connections and loop earthing etc. as required.

Dismantling of existing bus ducting (upto 2500A) including removing of connectins, shifting and depositing to the AAI store complete as required.

Reinstallation of exisiting bus duct(upto 2500A) with ceiling suspenders, testing and commissioning etc. complete as required

Breaking of brick wall for making provision of bus duct crossing at the height of 4-6 meter as per site condition and making good the same with brick work and plastering after bus duct installation etc. complete as per site requirement.

ASIATIC TRADERS (BID ID -789447)