REPAIR/MAINT TO SERVICING/CALIBRATION OF 11 KV VCBs AND REPAIR/MAINT OF HT CABLE NETWORK AT VARIOUS LOCATION UNDER GE E/M LUCKNOW

Amount

S&F in repair 08 windows announciator 24V DC operated and with Buchholz trip, winding temperature high trip, oil temperature high trip, Buchhloz alarm, winding temperature high alarm, oil temperature high alarm, spare complete all as specified and directed.

S&F Push buttons ON/OFF suitable for 11KV panel existing size and including removing old unserviceable (colour-Red/Green/Black) complete all as specified and directed.

Servicing of neutral grounding resistor 11/33 KV, 105 Amps rated current including adjusting resistance and earth strip etc and soldering the all joints of earth strip and testing for heat run test by passing 105 Amps rated current for time of 10 seconds to check max temperature rise and test result in this effect submitted to Engr-in-Charge complete all as specified and directed.

Supply and fixing in repairs Hooter for announciator panel complete all as specified and directed.

Servicing/Calibration to 11KV HT VCB/(SF-6 type) complete including the following:- (a) Taking out 11KV HT VCB/(SF6 type) of 400/800 Amps rating trolley from HT Panel after switching off electric supply. Checking of mechanical system for proper functioning of upward/downward movement of HT VCB/(SF6 type) trolley including opening the VCB/(SF6 type) & checking the mechanical system. Cleaning & servicing the fixed/ moving contact & blowing out dust and applying the proper lubrication/ greasing and reassembling the VCB/(SF6 type) including connection to HT panel complete insulating oil to be replaced where reqd all as directed. (b) Taking out relay set (2 Nos over current & 01 No earth fault relay) of any make from HT11KV VCB/(SF-6 type) panel and cleaning the contact (NO+NC) by CTC solution and adjust the contact and calibrate the relay by relay testing kit & proper plug setting as per reqd load & time delay and fixing the relay set in HT panels complete all as specified and directed Note for (a) & (b):- (i) Testing of above job to be carried out by engineers of authorised dealer/service centre of concerned OBC. (ii) Replacing new items shall be measured and paid separately as supply only. (iii) Contractor shall submit the connected document/graph for relay calibration duly authenticated by authorised dealer/service centre).

Supply & Fixing shunt trip coil assembly suitable for HT, (SF-6 type)/ VCB, operating on 30/110 volt system and testing complete all as specified and directed.

Supply & Fixing closing/tripping coil operated on 110 /30 volt system suitable for working of relay of HT (SF-6 type)/ VCB complete all as specified and directed.

Supply and fixing (in replacement) of faulty oil temperature indicator with trip and alarm contacts complete all as specified and directed.

S&F of numerical self-powered protection relay in respective make in existing 11/33 KV panel complete all as specified and directed.

Supply and fixing in repairs spring charging motor suitable for fixing with 11 KV indoor type VCB panels complete all as specified and directed.

Supply and fix in repairs Auxiliary Relay type with Buchholz Alarm, Winding temp alarm, Oil alarm etc complete all as specified and directed.

Supply and fix in repairs Earth fault Relay type with Buchholz Alarm, Winding temp alarm, Oil alarm etc complete all as specified and directed.

Supply and fix in repairs charging bottles suitable for 11 KV VCB trolly complete all as specified and directed.

Supply and fixing in repairs moving contacts of VCB made of copper and suitable for 11 KV VCB Trolley compete all as specified and directed.

Supply and fix in repairs Lever type tripping/closing switch suitable for 11 KV VCB Panels, complete all as specified and directed.

S&F Ammeter digital type 100A/5A or 60A/5A CTR of 150mm x 150mm including taking out of old unserviceable ammeter complete all as specified and directed.

S&F Voltmeter digital type 15 KV of 110 V PTR. Size 150mm x 150mm including taking out old unserviceable voltmeter complete all as specified and directed.

S&F power factor meter digital type of 146mm x 146mm including taking out of old unserviceable PF meter complete all as specified and directed.

S&F indicator light (LED type) suitable to operate on 30 volts DC/110 V AC having two covers red/green/blue for HT VCB panel including taking down old complete all as specified and directed.

S&F in repairs Air Circuit Breakers (ACBs) 4 Pole, 415 Volts 630 Amps, AC 50 Hz, with breaking capacity 50 KA, conforming to IS/IEC 60947-2 with thermal magnetic release (manual draw out type) main CTs for three phase, with shunt trip coil of suitable capacity including dismantling the old one from the site complete all as specified and directed.

Supply, fixing and testing in repairs Power Pack units with maintenance free solid batteries in sheet metal enclosure with arrangements for mounting on the existing 11 KV VCBs panels with nuts and bolts and capable of providing 30 V DC current to the VCBs during power failure for a continuous period of not less than 12 hours, for functioning of relays, charging motor and other parameters complete all as specified and directed.

Supply and fixing in repairs Voltage Transformer of ratio 1100 RT3/110RT3V Acc. Class 1.0 Burden 200VA STC 25KA for 1 sec including copper extension strips of required size and rating complete all as specified and directed.

Dismantling the existing unserviceable 11 KV VCB trolly and carrying out following repair and re-fixing the same, testing and commissioning complete all as specified and directed :- (i) S&F in repair vacuum interrupter 630 Amps, 11 KV, as per sample - 03 Nos. (ii) S&F in repair charging motor to charge VCB as per sample - 01 No. (iii) Complete wiring of VCB panel to make the panel completely functional in all respect - 01 Job. (iv) Supply and fixing moving contact of VCB - 01 Set (v) Complete greasing / oiling of VCB - 01 Job (vi) Supply and fixing charging bottles - 03 Nos (vii) The rates quoted by the contactor shall include cost of any other spare parts/relay not mentioned herein but essentially required for functioning of the system.

Opening the top cover of current transformer of VCBs 11 KV and servicing of fixed and moving contacts, repair and replacement of defective components of panel board, lamp indicators, calibration of digital meters, over load protection relay, time delay relay/earth fault relay, charging spring etc. Cleaning the fixed and moving contact inside the VCBs properly, servicing and greasing all moveable mechanism, replacement of defective fuses, wiring and reassembling and testing complete all as specified and directed.

S & F in repair PVC insulated twin core copper conductor cable of size 2.5 sqmm complete all as specified and directed.

S & F in repair PVC insulated twin core copper conductor cable of size 4 sqmm complete all as specified and directed.

Supply & install HT 33 KV, single phase out door oil cooled PT of ratio class 0.5-3 burden 50 VA complete all as specified and directed.

Supply & install HT 33 KV, single phase out door oil cooled CT of ratio 400/5-5 Amp class 1/5P 10 burden 15 VA complete all as specified and directed.

Supply and fix in replacement local remote switch for vacuum circuit Breaker as per existing make and model all as specified and directed.

Supply and fix in replacement Vacuum interrupter bottle suitable for 11 KV,VCB,630 Amps capacity as per existing make all as specified and directed.

Supply and fix in replacement complete ON/OFF circuit breaker switch with complete internal mechanism of 11 KV VCB/Bus coupler installed at main power house as per existing model including complete mechanism like moving / fixed contact charging motor, charging gear complete all as specified and directed.

Supply and fix in repair battery bank of capacity 24 V, consisting of (12 Nos) of 02 Volts Each 120 AH maintenance free "Exide" make for system voltage 24 V, including disconnection of old U/S Battery bank complete all as specified and directed.

Supply and fix cable jointing kit 11 KV (Earthed) grade cable for indoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored Aluminum conductor cable of size 95 sqmm complete all as specified and directed.

Supply and fix cable jointing kit 11 KV (Earthed) grade cable for outdoor end termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored Aluminum 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, armored, Al conductor cable of size 95 sqmm, Indoor/Outdoor type complete all as specified and directed.

M&L for disconnecting burnt end or portion of 50 sqmm to 400 sqmm 3 core cable removing the cable from loop including necessary excavation, earthwork, removing brick protection and relaying the same, and reconnecting the cable by removing burnt portion of cable and preparing fresh terminals of HT cable to pole/VCB / main switch etc complete all as specified.

Hiring of cable fault detector, to detect exact position of fault for XLPE/PVC LT/HT cable, 1100/11000 Volts grade heavy duty aluminum conductor of any size including to and fro transporting charges etc. all as specified and directed.

S & F in repairs copper bus bars of 200 Amps rating suitable for LT/HT Panels as per existing dimensions including drilling holes and nuts, bolts and washers of suitable size & taking out old burnout old bars complete all as specified and directed.

S & F in repairs Aluminum bus bars of 200 Amps rating suitable for LT/HT Panels as per existing dimensions including drilling holes and nuts, bolts and washers of suitable size & taking out old burnout old bars complete all as specified and directed.

Supply, laying and testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with Aluminum Conductor of size 120 Sqmm 3 Core, 11000 Volts grade including cable lugs, nuts, bolts and washers of suitable size complete all as specified & directed.

All as per item No. 40 above but of size 185 Sqmm 3 Core

All as per item No. 40 above but of size 95 Sqmm 3 Core

All as per item No. 40 above but of size 70 Sqmm 3 Core

Excavation in trenches in any type of soil not exceeding 1.5 Meter deep and not exceeding 1.5 meter width and getting out including forming bottom surface & sides to required slope/size as directed.

Removal of surplus excavated spoil not exceeding 50 Mtr distance and depositing where directed by the Engineer-in-Charge at a level not exceeding 1.5 m above the starting point complete all as specified.

Returning filling in, and including spreading and leveling in layers not exceeding 25 cm thick complete all as specified & directed.

Material & labour for sand filling with clean dry fine sand unwashed including gently punning around cables in trenches for cable protection complete all as specified and directed.

Supply and fixing in repairs GI pipe light grade of size 80 mm bore for protection of earthing lead and cables complete all as specified.

Material and labour for boring under road or under hard standing suitable for passing GI pipes up to 100mm bore for passing of cables complete all as specified and directed.

Supplying & Laying reinforced precast concrete cable protection covers of class HV, type-1, flat, of size 300mmx180mmx40mm perpendicular to the axis of the cable, for protection of cable all as specified and directed.

S & F 11 KV cold shrinkable indoor type cable termination kit with all accessories suitable for 50 to 95 Sqmm 3 core HT cable sizes including disconnecting burnt end, excavation works and making all necessary connections complete all as directed.

S & F 11 KV cold shrinkable outdoor type cable termination kit with all accessories suitable for 120 to 185 Sqmm 3 core HT cable sizes including disconnecting burnt end, excavation works and making all necessary connections complete all as directed.

S & F 11 KV cold shrinkable indoor type cable termination kit with all accessories suitable for 120 to 185 Sqmm 3 core HT cable sizes including disconnecting burnt end, excavation works and making all necessary connections complete all as directed.

S & F 11 KV cold shrinkable outdoor type cable termination kit with all accessories suitable for 240 to 300 Sqmm 3 core HT cable sizes including disconnecting burnt end, excavation works and making all necessary connections complete all as directed

S & F 11 KV heat shrinkable straight through cable joint kit with all accessories suitable for 120 to 185 Sqmm 3 core HT cable sizes including disconnecting burnt end, excavation works and making all necessary connections complete all as directed by EIC

Material and labour for earthing complete with galvanized steel earth plate electrode 600mmx600mmx6.0mm buried directly in ground vertically to a depth not less than 2.25 meter below normal ground level (with top edge of earth plate not less than 1.5 meter below ground level) connected to GI strip 32mmx6mm main earthing lead by means of galvanized bolts, nuts and washers all as shown in electrical plate of MES Schedule Part-I (1991) with connected to earth test point & to main switch board etc with & including adequate quantity of charcoal dust and common salt alround earth plate, PCC (1:3:6) type C-1 (using 20mm graded black trap/granite/Basalt stone aggregate) for earth pit with 40 x 40 x 6mm mild steel angle iron frame for cover, pre cast RCC (1:2:4) type B-1 (using 20mm graded black trap/granite/Basalt stone aggregate) 40mm thick cover reinforced with 6mm dia bars 3 Nos both way with 12mm dia round bar handle, GI light grade watering pipe 20 mm dia with funnel and wire mesh, and 40 mm dia GI light grade earth lead protection pipe, complete all as specified and directed.

Supplying & Fixing Danger Notice Plate of 1.6 mm thick mild steel sheet, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S clamps, bolts and nuts of approved size for 433 Volts High Tension 20x25 cm complete all as specified and directed.

Shree Tirupati Associates

Unnati Engineers

M/s Reliable Electromech Systems