PROVISION OF 100 KVA TRANSFORMER FOR NEW INFRASTRUCTURE AT COMCEN (TVL) AT INS KATTABOMMAN UNDER GE TIRUNELVELI

Amount

SCHEDULE 'A' E/M ( External Electrification)

Supply ,installation,testing and commissioning of copper wound transformer step down, 100 KVA outdoor Onan type class A insulation complete with standard fittings, HT 11 KV 3 Phase 50 HZ , LT 0.433 volts, 4 wire with off load tappings on HT side to vary secondary voltage within limit, 2 sec short circuit thermal with stand time 4.5% impedence at 75 degree with stand time , total losses @ 50% load at rated voltage , porcelain type bushing Voltage Rating 17.5 KV Current Rating 250 Amps, Reference standard IS 2099 & IS 3347 , Core and winding 1550 , Reference standard IS 1180 & IS:2026 Conventional Type of Transformer Tank including stone masonary foundation and HV and LV cable end box all as specified as per manufacturer layout and as directed. IS 1180-2014 Level 2 Name EPL-L2-11-630-OL-CBBD-CON with a gurantee period of 24 months from the date of installation/testing complete, comprising of the requirements as mention complete all as specified and as directed. Make : Indian Transformers and electricals /Voltamp/Crompton Greaves/ Bharat Bijlee/ABB/Schneider Note:- The rate include for supplying transformer and installing complete including all jointing materials, connecting with electrical system, testing and commissioning & inital oil filling to appropriate level including cost of oil and testing with desired strength.The stone masonry built in CM 1:6 and size of the stone masonary as per manufacture instruction or as directed by Eng-in-charge.

Supply and installation of Outdoor Type RMUs 11KV ,SF6 01 Nos VCB as Incomer , 02 Nos Load break swtch as out going and Operation voltage, 11 kV Rated lightning , withstand voltage 75 kV, Rated power-frequency withstand voltage 28 kV, 1 Min intrenal arc test 21 KA/ 1 sec inside tank thickness with robotical welded 3 mm and external tank thickness 2.5 mm Rated frequency 50 Hz and Rated peak current 52.5 kA peak, Rated short-time current 26 kA Rated short-time 3 s Motorized – 24V DC Operation Load break switch 630 A High Performance VCB 630 A Disconnector switch 630 A Self-Powered O/C & E/F Protection with Schneider/C&S make relay with suitable protection CTs as per transformer rating above 315KVA 630 A Bus bars , 630 A (Fixed Type) Vacuum Circuit Breaker, 630 A (Fixed Type) Load Break Switch, IP 67 SF6 Gas Tank – SS Class of Protection, IP 54 of Outdoor Enclosure Model No-FBX-C/12-25/CCT2. including PCC foundation for errection of RMU as per manufacturer layout Note: The rate quoted shall deemed to include the cost of concrete foundation as per manufacturer’s recommendation and dismantling and cutting of existing HT cable reconnecting the same in RMU with all necessary connections and fixing arrangements etc. Make : Siemens / Schneider/ABB/BHEL/Andrew Yule T & D Make for CT / PT: CG / Kappa / Legrand / Areva / AE

Item No. 3 Contd..... (a) 02 Nos 400 Amps motorised load break switches triple pole, single break 3 positions as incomer (ON OFF & Earth having STC capacity 21 KA for 1 sec with copper bus bar and copper earth bar fitted with fixed type voltage indicator device as per IES 61958-1, fully rated with earth switch spring assisted mechanism, red/green push button for ON/OFF operation, arc proof hinged type cable cover inter locked with earth switch, air insulated cable boxes and boots suitable for bottom entry front termination of 3 core cable 400 sqmm.

Item No. 3 Contd..... (b) 01 No 400 Amps motorised vacuum circuit breaker triple pole, single break 3 positions as outgoing (ON, OFF & Earth having STC capacity 21 KA for 1 sec with copper bus bar and copper earth bar fitted with fixed type voltage indicator device as per IES 61958-1, fully rated with earth switch spring assisted mechanism, red/green push button for ON/OFF operation arc proof hinged type cable cover inter locked with earth switch, air insulated cable boxes and boots suitable for bottom entry front termination of 3 core cable 400 sqmm. Note: (i) Any other parts / items not specified above but have been considered essential for smooth & safe functioning of RMU system shall be included in the items and are covered against the quoted rate. (ii) Complete switch gear assembly shall be tested at site before commissioning for tripping mechanism CT ratio by current injunction method in presence of rep of accepting officer.

Supply and fix air break gang operated switch 11KVs out door type Triple pole, mechanically operated mounted on insulator with operating mechanism worked from ground level, for current rating upto 200 amps for horizontal mounting roating type complete with 12 nos insulators with dropout fuse , complete all as specified and as directed. Make:- PECTIL/JAIPURIA/AMEI/ATLUS/MEC

Supply and fix Automatic Power Factor Correction (APFC) cubical indoor floor mounting type dust and vermin proof freestanding with 3 mm thick external and 2 mm thick internal supports Panel suitable for 3 Phase, 4 wire, 415 V & 50 Hz of capacity 40 KVAR system of comprising the following all as CPRI approved including stone masonary foundation 1. Incoming - MCCB 3 pole 125 Amps 25KA with spider link 01- Set Neutral connector - 1 No 2. Bus bar - Aluminium Phase - 25X6mm (R, Y, B) Earth - 25X3 mm (E) Instruments RYB LED indicating lamp with control MCB -1 set Capacitor ON indicating lamp-6 Nos 200/5 Amps tap insulated CT coil (RYB phase) 6 stage APFC relay ( Microprocessor Based -1 No Out going 6 A to 63 A 3 Pole MCB 16KA - 6 Nos Capacitor duty contactor - 6 Nos 6 stage 40 KVAR capacitor bank - 1 Set Make :- MCCB & MCB - Legrand Indicating lamp - L& T CT Coil - PGR APFC Relay - Beluk Capacitor duty contactor - C&S HPL Capacitor - Schineder/ABB/L & T/ any CPRI approved Make.

Supply, laying and testing Cable XLPE cable 11KV(earthed) insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 11000 volts, grade cross sectional area 3 core 95 sq. mm including testing and commissioning etc complete all as specified and directed. NOTE: Earth work excavation shall be measured and paid separately.

Supply, laying and testing LT under ground cable 1100 volts grade PVC /XLPE sheathed armoured multistranded heavy duty electric power cable with aluminium conductor 3.5 core 95 Sqmm, laid in trenches/ duct / walls including cable gland on both termination where necessary including laying, connecting to various switches in panel board, testing and commissioning etc complete all as specified and directed. NOTE: Earth work excavation shall be measured and paid separately.

Supply and fix cable end jointing kit for 11 KV grade cable for outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and as directed. Make :- 3M/Denson/M-seal/Raychem

Supply and fix cable end jointing kit for 11 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and as directed. Make :- 3M/Denson/M-seal/Raychem

Supply Fabricate, install, connect, test and commission Outdoor type dust & Vermin proof LT electrical panel board, 1100 volts, 50 Hz AC supply, fully compartmentalised for cable chamber and busbar chambers with copper bus bar 4wire 3phase 300Amps with adequate space made out of 3.15 mm thick CRCA sheet steel for load bearing like all over body, front and back cover with hinges and aldrops with DC locks and one seven lever Navtal lock etc complete with 1 mm thick FRP coated all over the external surfaces and 3.15 mm thick MS Sheet for non load bearing and portions, complete with one coat of red oxide primer , two coats of powder coating weather proof synthetic enamel paint including suitable angle iron/ flat iron frame work/ supports bottom 50x50x6 mm MS channel as base and chamber for metering equipment complete suitable for mounting following switch gear items internally connected with suitable capacity aluminium strip/ rods insulated and FRLS copper conductor complete mounted on PCC pillars foundation, cable connection using new lugs complete with danger notice all as specified and comprising of the followings:- Make:- L&T/Legrand/Standard/Indian Transformers and Electricals/any CPRI approved makes

Item No. 10 Contd............. Incoming (a) MCCB TPN 4 Pole 160 Amp, 50 Hz, 415 V with rupturing capacity 25 KA. (01 No) Outgoing (b) MCCB 4 Pole 100 Amp, 50 Hz, 415 V with rupturing capacity 16 KA. (05 Nos) (c) LED Indicating lamp RYB - 01 Set. (d) Digital Voltmeter(0-500volt) - 01 Nos (e) Digital ammeter with suitable CT's-01 Set

Earthing complete with copper plate electrode, 60x60cmx 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level,earth plate surronded from all sides by 15CM thick and packed layer of charcoal dust and common salt filling in alternate layer and connected to using copper strip 20x3mm as earting lead by means of bolts,nuts, check nuts and washers of galvanised iron or steel, provision of 40mm dia Gl pipe light grade for protection of strip upto 7.5m long and 20mm dia Gi pipe medium grade for watering arrangement all as shown in electrical plate No. 5 of MES SSR Part I including necessary excavation and earth work in any type of soil, salt, charcoad dust, PCC 1:2:4 type B1 in chamber, RCC 1:2:4 chamber cover with 6 mm dia MS bar at 100 mm centre to centre both ways and MS 6 mm dia hook including testing and commissioning complete all as specified and directed.

Excavation in trenches n.exc 1.5 M wide and n. exc 1.5 M depth and getting out in hard/dense soil for removing / taking out burnt cables complete all specified and as directed.

Returning, filling in incl spreading leveling, watering and well ramming in layers n.exc.25cm thick complete all specified and as directed.

Removing excavated material to a distance n.exc 50 M and depositing where directed at a level n.exc 1.5 M above the starting point complete all specified and as directed.

Supply and spread river sand in trenches for cable cushioning complete all as specified and directed. (NOTE:- Punned thickness only measured)

Supply and lay burnt bricks of old size sub-class B for cable protection all as directed & as specified.

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure complete all as specified and directed.

Supply and lay steel tubes, 'light grade' galvanised, with all fittings; of bore of tube 100mm laid in trenches for drawing cables under road/drain crossings etc all as specified and directed. Make:- Tata/Jindal/Zenith/Swastik/Prakash

M & L for Disc type insulator, porcelain, vitreous 145mm high and 255mm dia ball and socket type, white, brown or green Two-in-series' assembly for tension with tension clamps for conductors, working pressure 11000 volts complete all as specified and directed. Make:- BHEL/Jayasree/W S Insulators/ Southern Insulators/ MEl/ Modern Insulator

M&L for Cross arms, bracing, supports, clamps, and back plates fabricated from structural steel section including nuts,bolts,washers,welding, bending, cold or hot drilling holes for bolts in any shape or size as indicated or directed including painting with two coats of synthetic enamel paint over a coat of zinc chrome primer and taking out old unserviceable cross arm complete all as specified and as directed. Make:- TATA/SAIL/RINL/JINDAL

Vinayaga constructions