Development of Jalgaon Airport RCS - RHQ SH -Strengthening of 11KV HT power cable at Jalgaon Airport

Supply, Installation, Testing & Commissioning of indoor type (IP 42) floor mounted metal clad, 11 KV Switch Board VCB panel with 4 Nos. VCBs, totally enclosed & fully interlocked, truck mounting, horizontal draw out, horizontal isolation type vacuum breaker as per IS / IEC 62271- 100 (2007) for breakers & 200 (2003), for panels / IS3247 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 11 KV, 3 Phase, 50Hz A.C. supply with short circuit fault level of 500 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 120 sqm XLPE cable of 11 KV grade (cable entry from bottom), Separate earthing switch shall be provided for Cable earthing . The earthing truck shall be so designed that it is impossible to earth a live. cable terminations suitable for 3C x 120 sq.mm. XLPE 11 KV cable.

A. Incomer 2 Nos. consisting of following; 2 Nos. of 630 Amp, 11 KV, 3 Ph, 3P VCB 1 No for each incomer - 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 Nos. (01 set for each incomer) Cast resin draw out type PTs 11 KV / √3 / 110 √3, class 0.5,100 VA burden including HT HRC fuse on 11 KV Side and MCBs on secondary side protection., 3 No. (01 set for each incomer) Cast resin insulated Dual core 3 CTs 30 / 5-5A of 15VA burden and accuracy Class -0.5 for metering and class 5P10 for protection. Aux. relays for Anti Pumping & indication. (01 set for each incomer) ,Trip Circuit supervision relay - (01 set for each incomer), Master Trip Circuit Relay (01 set for each incomer) 1 No. Microprocessor based over current, short circuit 50,50 N & earth fault numerical IDMT relay with having RS 485 modbus communication facility consisting of 3 element for over current relay and one earth fault capable of storing last 10 trip history. (01 set for each incomer),1 No. Over & under voltage protection relay, 1 No. Over & under frequency relay (01 set for each incomer) 1 No. Alarm annunciator with minimum 8 windows and buzzer, ACK, rest, test push button for transformer faults and electrical faults in respective window. (01 set for each incomer)

B. Busbar -1000 Amps TP, 12 KV 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. (01 set for each incomer) C. BUS COUPLER- 630 Amps., 11KV horizontal draw out type VCB with motorized spring charge mechanism, T/N/C switch and required safety switchgears complete. 1 Set of LED indication lamp protected by MCB for ON & OFF and spring charge of breaker complete.Electrical inter locking with both incomers & bus coupler D. Outgoings 1.No consisting of following; 1 No. 630 Amp., 11 KV VCB horizontal draw out type VCB with motorized spring charge mechanism, T/N/C switch and required safety switchgears complete 1 Set MR Aux. relays for Anti Pumping & indication. Trip Circuit supervision relay, Master Trip Circuit Relay 1 No., Microprocessor based over current, short circuit 50,50 N & earth fault numerical IDMT relay with having RS 485 modbus communication facility consisting of 3 elements for over current relay and one earth fault capable of storing last 10 trip history. 1 No - Multifunction Meter with LED display of I, 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 30/5-5A of 15VA burden and accuracy Class -0.5 for metering and class 5P10 for protection. 1 No. Alarm annunciator with minimum 8 windows and buzzer, ACK, rest, test push button for transformer faults and electrical faults in respective window.

E. All I/C & O/G Breaker have following Accessories & indication 6A MCB for spring charge DC Control, Supply healthy & fails Surge Arrestor of type 1, 11KV 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,LED Illumination lamp ON / OFF with limit Switch,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 piano type switch socket outlet. Supply, fixing, testing and commissioning of automatic linear pneumatic tube Detection based Clean agent System for Electrical Panels (Linear Pneumatic Heat Detection tube Panel Protection System), consisting of the Mentioned components. Suitable capacity, Direct Low Pressure (DLP) Assembly with automatic valve, push in connector for tube, Clean agent, mounting bracket, End of Line adopter and low pressure switch for monitoring system activation. i) Linear Pneumatic Heat detection tube with all necessary & supports ii) Master Control Unit for controlling each system, complete with pressure switches, buzzers and electronic hooters, including all necessary accessories + electrical wiring to make each entire system functional. 11 KV HT PANEL BOARD Consisting of above items.

SITC of 11KV G.O Switch 400Amp. AB on 2nos. MS Poles 9 Mtr.along with disc insulator,MS channels,MS flat clamp & earthing, ACSR 30sq.mm. conductor,GI pins,pin insulator, 1C XLPE 120 sq.mm.,GSL 4mm., stayset, egg insulator, GSS wire 7/3.15mm. complete as required.Work will also include suitable base foundation, laying, raising & termination of Incoming and Outgoing 3x120 sq.mm. HT cable 11KV on the G.O Switch/OD/ ID/Cable box along with earthing wire, accessories complete as required.

Supply of 3CX 120 sq.mm size of HT XLPE insulated, stranded compact circular aluminium conductor, conductor screen with extruded semi conducting compound, Insulation screening with extruded semi conducting compound in combination with coper tape, cores laid up , inner sheath of FRLS PVC tape , galvanised flat steel strip armoured and overall FRLS PVC sheathed cable of 11 KV (UE) HT grade conforming to IS 7098/ Part - II 1985 with latest amendments.

Supply of 160 mm dia (OD-160 mm & ID-135 mm nominal) DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete as required.

Laying of 160 mm dia (OD-160 mm & ID-135 mm nominal) DWC HDPE pipe along with all accessories like socket, bend, couplers etc. complete with fitting and cutting, jointing etc. direct in ground (1.2 meter below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc. complete as required.

Laying of 160 mm dia (OD-160 mm & ID-135 mm nominal) DWC HDPE pipe along with all accessories like socket, bend, couplers etc. complete with fitting and cutting, jointing etc. direct in ground (1.2 meter below ground level) including refilling the trench but excluding excavation of trench and sand cushioning and protective covering etc., complete as required.

Excavation of the cable trenches in hard rock not exceeding 1.5 meters in width and lift up to 1.5 meters , including getting out the excavated soil and disposal of excavated soil as directed with in a lead of 50 meters (minimum depth should be 1.2 meter and width should be 0.35 meter)