81438 AUGUMENTATION OF E/M INFRASTRUCTURE AT INS KATTABOMMAN UNDER GE TIRUNELVELI

Amount

SCHEDULE 'A' (E/M)

Supply, installation, testing and comissioning of copper wound transformer step down, 2500 KVA outdoor ONAN type complete with standard fittings of transformer, HT 33/11 KV 3 Phase 50 HZ , with 17 POSITION ON Load Tap Changer (OLTC), tapping range +5% to -15 % in steps of 1.25 % each with Remote Tap Cubical Changer (RTCC) panel and Automatic Voltage Regulation (AVR) with vector group Dyn-11 with oil immersed complete with first filling of IS:335 ISI marked filtered and dehydrated transformer oil Conventional Type Transformer Tank including stone masonary foundation with approved drg and all as specified as per manufacturer layout and directed. Note : The under mentioned fittings/ works deemed to be included in the quoted rate:- (a) Transformer oil to be filled upto the level recommended by the manufacturer. (b) Lifting lugs and hooks for transfromer and Oil tank complete. (c) Earthing terminal rating and diagram plate complete. (d) Oil filling inlet pipe with gauge complete. (e) Drain outlet pipe with brass gate valve with dummy plug complete. (f) Conservator with level gauage & oil filling complete.

ITEM No 02 Conte.... (g) Breather with Silica gel complete. (h) Type of connection : Star/ Delta. (j) Type of cooling : ONAN.(k) Vector group : DYn-11. (l) EEL type : Type II. (m) Cable termination boxes with slot on both HT and LT side complete. (n) Pressure release valve. (o) Winding Temperature guage. (p) Temperature guage for oil with all standard fittings as per IS norms complete. (q) Bucholz relay. (r) Explosion vent. (s) Rollers. (t) Tap changer (OLTC) with RTCC panel. (u) Fins. (v) Bushing of suitable size and type.

Supply, installation, testing and comissioning of copper wound sub station transformer step down, 100 KVA outdoor ONAN type complete with standard fittings of tranformer, HT side 33.0 KV and LT side 433 Volts, 3 Phase, 50 HZ , with 07 POSITION ON LOAD Tap Changer, tapping range ± 7 % in steps of 2.5 % each with vector group Dyn-11with oil immersed complete with first filling of IS:335 ISI marked filtered and dehydrated transformer oil Conventional Type of Transformer Tank including stone masonary foundation and all as specified as per manufacturer layout and directed. Note The under mentioned fittings/ works deemed to be included in the quoted rate:- (a) Transformer oil to be filled upto the recommended level by the manufacture with confirming to IS 335:1953. (b) Lifting lugs and hooks for transfromer and Oil tank complete. (c) Earthing terminal rating and diagram plate complete. (d) Oil filling inlet pipe with gauge complete. (e) Drain outlet pipe with brass gate valve with dummy plug complete. (f) Conservator with level gauage & oil filling complete.

ITEM No 03 Conte.... (g) Breather with Silica gel complete. (h) Type of connection : Delta/Star. (j) Type of cooling : ONAN.(k) Vector group : DYn-11. (l) EEL type : Type II. (m) Cable termination boxes with slot on both HT and LT side complete. (n) Pressure release valve. (o) Winding Temperature guage. (p) Temperature guage for oil with all standard fittings as per IS norms complete. (q) Bucholz relay. (r) Explosion vent. (s) Rollers. (t) Tap changer (OLTC) with RTCC panel. (u) Fins. (v) Bushing of suitable size and type.

Supply, installation, testing and comissioning of 36 KV Outdoor Type Vacuum Circuit Breaker, rated voltage 33 KV, rated current 1250 Amps, STC 25 KA for 3 Sec, Operating duty 0-0.3 S-Co-3Min-CO, closing time <50ms breaking time <30ms porcelain clad type including Single Feeder Indoor C & R Panel as per TANTRANSCO specifications with 1 Nos REF615 Relay 01 Nos master trip 8 window annunciator including erection, testing and comissioning as per manufacturer layout complete all as specified and directed.

ITEM No 04 Conte.... Note:- The under mentioned fittings/ works deemed to be included in the quoted rate:- Digital Multfunction Meter, Ammeter, Voltmeter, Window Announciator, Indication lamps Surge Arrestor, Control MCBs ‐ AC/DC, Control Fuses ‐ AC/DC, Disconnecting Type Terminal Block Non‐Disconnecting Type Terminal Block Breaker Control Switch (Close‐Neutral‐Trip)', Local/Remote Control Switch, Toggle Switch Heater ON/OFF, Door Limit Switch, Power Pack (230V AC/110V DC), Pulg & Socket with Switch ‐ Single Phase, Heater ‐ 230V AC, 80W, Thermostat, Multi function ‐ Protection Relay OC/EF ‐ (50/51), (50N/51N) P3U30 ‐ Multifunction Relay, Arc Protection for Bus, Cable & Breaker Chambers, Master Trip Relay AC & DC Failure Relays, Protection Relay, Poteential Transformer, Current Transformer, Tripping Coil: Horizondal Draw out VCB, Closing Coil: Spring Charging Motor:230V AC/DC, Auxillary Contacts: 6NO : 6NC, Busbar all of reputed make

Supply, installation, testing and comissioning of 33KV single phase Outdoor oil cooled Current Transformer (CT) of ratio 100-5/5 Amp, class 1.0/5P10, burden 15 VA including erection, testing and and comissioning as per manufacturer layout complete all as specified and directed.

Supply, installation, testing and comissioning of Outdoor Type HT Potential Transformer, Single phase, oil cooled PT of ratio 33KV/rt3/110V/rt3/110V/rt3, class 0.5-3, burden 50VA-50VA including erection, testing and and comissioning as per manufacturer layout complete all as specified and directed.

Supply, erection, testing and commissioning of 11 KV630 Amp, RMU Panel outdoor type with short circuit capacity 21KA/3 sec, IAC type tested (21 KA 1s AFLR), SF6 stainless steel tank of IP 67 class of protection, Outdoor type, extensible, 3 Way SF6 insulated 2 No’s Fixed type VCB and 1 No Load Break Switch with Motorised Operated & Manual spring charger with the following specifications: - (i) Fixed Type Vacuum Circuit Breaker (02 No’s - Outgoing It is a Vacuum circuit breaker module with vacuum circuit breaker, three position isolator/earthling, switch, bus bars, interlocking, earth bar and stored spring energy mechanism. (ii) Impulse withstand voltage: To earth and between frequency - 1 min:28kV, 1 each Fixed type Vacuum circuit breaker 12kV, 630A, 1 each Cable cover standard with Interlocking, 1 each Self-Powered Relay for Over current and Earth Fault Protection Non Communicable, 1 each Cable bushings interface C (upto 185 bolted), 630A, 1 each Bushings outside cone interface C for connection of external bus bars, 1 each Capacitive voltage indication fixed type VPIS 9-15kV, 3 each Ring core CT 100-50/1A, 2.5 VA, 5P10 for Protection, 1 Monometer &1 Operating Handle ”Make: ABB/Schneider/Siemens

ITEM No 07 Conte.... “(iii) Load Break Switch (01 No - Incoming) It is a cable switch module with a three position load break switch and earthing switch, busbars, interlocking and earthbar, 1 Type C: Cable switch 12kV, 630A, 1 Snap action mechanism for motorized operation. 24VDC, 1 Cable cover standard with Interlocking, 1 Cable bushings interface C (upto 185 bolted), 630 A, standard, 1 Capacitive voltage indication fixed type VPIS 9-15 kV, 1 Fault Passage Indicator (iv) 1 set 12VX2, 26AH Battery along with charger

Supply laying & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, unearthed electric power cables (heavy duty)with stranded aluminum conductor, 33000 volts grade, of size 3 core 95 sq mm complete all as specified and directed.

Supply laying & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, unearthed electric power cables (heavy duty)with stranded aluminum conductor, 11000 volts grade, of size 3 core 240 sq mm complete all as specified and directed.

Supply laying & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, unearthed electric power cables (heavy duty)with stranded aluminum conductor, 11000 volts grade, of size 3 core 150 sq mm complete all as specified and directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, unearthed electric power cables (heavy duty)with stranded aluminium conductor, 11 KV volts grade of size 95 sq mm 3 core complete all as specified and directed. Note for item No. 8,9,10 & 11:- Eathr work, excavation and cable protection shall be measured and paid seperately under relevant items.

Excavation in trenches n.exc 1.5mtr wide and not exc 1.5mtr depth and getting out in hard dense soil all as directed.

Ditto as Sl item No 12 here in before but hard rock complete all as specified and directed.

Returning and filling in of excavated material any type including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each complete all as specified and directed.

Removal of surplus excavated material of any type not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

Sperading and levelling of riddled earth for underground cable protection complete all as specified. Note: Punned thickness only will be measured and paid.

Supply and laying class HV, Type 1, flat, size 300mmx 180mm x 40mm laid along alignment of cable as protection to cable in trenches complete all as specified and directed by Engineer-in-Charge

Supply and fix cable jointing kit for 33 KV grade cable for indoor termination, heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 70 to 95 sqmm complete all as specified and directed.

Supply and fix cable jointing kit for 33 KV grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 70 to 95 sqmm complete all as specified and directed.

Supply and fix cable 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 Al conductor cable of size 240 sqmm complete all as specified and directed.

Supply and fix cable 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 Al conductor cable of size 150 sqmm complete all as specified and directed.

Supply and fix cable jointing kit for 11 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 150 sqmm complete all as specified and directed.

Supply and fix cable 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 Al 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 heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 95 sqmm complete all as specified and directed.

Supply laying & testing PVC insulated, PVC sheathed cable galvanised steel strip or wire armoured, electric control cables (heavy duty) with stranded copper conductor of size 8 Core, 1.5 Sqmm complete all as specified and directed.

Supply and fix HT 33 KV out door type gang operated air-break switch suitable for vertical/horizontal mounting Triple pole, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level upto 400 Amps complete all as specified and directed.

Supply and fix Lightning arresters HT 33 KV expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp complete all as specified and directed.

Supply and fix HT 33 KV post insulator made of porcelain/ polymer complete all as specified and directed.

Supply and fix HT 33 KV Dropout double stack channel type Fuse carrier with fuse made of porcelain/ polymer complete all as specified and directed.

Supply and fix HT 11 KV disc insulator made of porcelain/ polymer complete all as specified and directed.

Supply, installation, testing and comissioning HT 33 KV rigid aluminium tubular bus conductor conform to IS:5082 and IS:2673 of size 1.5 inch (outer dia 48.26 mm, and thickness 5.08 mm, weight 1.87 kg per meter and rating 1335 Amps with 0.33 ohm/km of electrical resistivity at 20 degree centigrade) complete in set of 3 meter length of each phase with suitable connectors and clamps complete all as specified and directed.

M & L for Compression/crimping type sleeve joints for jointing conductors/ jumper connections of conductor/ rigid aluminium tubular bus bar overall for high-tension connections above 50mm dia including treatment with conducting jelly

M&L for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc As required with 32 x 6mm copper strip complete all as specified and directed.

Supply and fix GI pipe light grade 100 mm all as specified and directed.

Supply and fix GI pipe light grade 40 mm all as specified and directed.

Supply, installation, testing and commissioning of Chemical Earthing of depth 9 meter and 150mm dia bore hole carried out with help of boring machine and cipper bonded electrode rod of size 20mm dia consisting of rod 209 CBR (250 microns) and low resistive compound (CONDUCTOLITE) to be filled around electrode of quantity 150Kgs for each electrode and interconnecting the existing earth pits with 25x3mm copper strip including welding/ brazing the copper strip as per site required quantities, with PVC pit cover complete all as specified and directed. Note : Cost of excavation, copper earth strip of required length with brass nut bolts, earth pit is deemed to be included in the quoted unit rate. (ii) copper strip of length upto 7.5m from earth pit shall be deemed to be included in the quoted rate.

Supply and fix copper strip of size 25 x 3mm in wall, trench, etc complete all as directed by Eng-in-charge.

M & L Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers,welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed.

M & L for Stay assembly complete with accessories as shown in electrical plate No. 1 with loop type insulator, stay clamps, including 20 mm stay rod complete all as specified and directed.

M & L for Aluminium conductor, steel reinforced on 11 KV over head line all as directed by Engineer-in-Charge. Note:- Minimum size of ACSR conductor shall be wolf

Supply, laying LT UG cable, 1100 volts grade, XLPE insulated and sheathed, armoured, multistranded, heavy duty electric cable with aluminium conductor laid in trenches, ducts, on poles, walls, through pipes etc including identification tags over on cable complete for the size of 120 Sqmm 3.5 Core including cable glands on both side where necessary complete all as specified and directed by Engr-in-Charge.

Supply, laying LT UG cable, 1100 volts grade, XLPE insulated and sheathed, armoured, multistranded, heavy duty electric cable with aluminium conductor laid in trenches, ducts, on poles, walls, through pipes etc including identification tags over on cable complete for the size of 10 Sqmm 4 Core including cable glands on both side where necessary complete all as specified and directed by Engr-in-Charge.

Supply and Fix junction boxes IP 66 protected made out of poly carbonate material for out door installations of size 155x210x92mm with 100 Amp Aluminium Busbar 4 Pole including incoming, outgoing cable connection arrangements with colour code insulation sleeves all as specified and directed by Engr-in-Charge. Hensel Cat no DK 1610 G or equivalent as mentioned in list of makes

Supply and Fix steel tubular swaged & welded pole complete with cast iron base plate finial taper plug bolt nut & screws type 410 SP-31of length 9.0 Mtr , painting with Aluminium paint and marking pole No. on black background and Pole No. on white colour including with CI base plate and finial including foundation and coping complete as specified and directed.

S & F Street light fitting LED type with 60 Watt LED made in pressure die cast aluminium housing with IP 66 protection complete all as specified and directed.

S & F Flood light light fitting LED type with 100 Watt LED made up of pressure die cast housing with IP 66 protection, with secondry optical including dismantaling old complete all as specified and directed.

Supply and Fix in replacement of (bracket) 40 mm dia GI pipe light grade,1.2 mtr long, suitable degree bent to shape and fixed with 40 x 6 mm flat iron clamp-02 Nos suitable size of nuts and bolts of GI etc on poles complete all as specified and directed.

M&L for providing plain cement concrete in 1:4:8 mix ,type D2 (using 40mm graded aggregate) in foundations columns, pillars, boundary pillars and posts complete all as specified and as directed.

Material and labour for providing cement concrete 1:2:4 type B1 using 20 mm graded stone aggregate cast in situ as in copings and the like including weathering, slightly rounded or chamfered or chamfered angles as directed including use of form work as necessary all as specified and as directed.

Supply and fix cable route indicator for HT UG cable made out of CI plate of size 200mm dia x 6mm thick marked "UG CABLE 11000V MES" connected with MS angle Iron of size 1200mm length 50X6MM with SS nut, bolt and washer fixed in MS angle grouted in PCC block 1:3:6 type C1 using 20mm graded stone aggrgeate of size 500 x600x400 mm including excavation and earth work and painting to steel surfaces with two coats synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

M&L for laying and levelling stone aggregate loose filling using 40 mm graded stone aggregate around the transformer yards after removing the existing debries and stacking the existing aggregate complete all as specified and directed.

M&L for providing plain cement concrete in 1:3:6 mix ,type C2 (using 40mm graded stone aggregate) in foundations complete all as specified and as directed.

M&L for providing Danger Notice plate of 1.6mm thick mild steel sheet, vitreous enamelled 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 HT, 25x20cm size complete all as specified and as directed.

SCHEDULE 'A' (B/R)

Dismantling posts or struts(wood,steel or RCC) any section, including taking out embedded portion and making good disturbed ground complete all as specified and directed

Dismantling of fencing wire mesh any type and size complete all as specified and directed

Excavation in post holes (or similar holes) each not exc 0.5 cum and getting out hard/dense soil and removing surplus soil to a distance not exe 50m and making good surface complete all as specified and directed

M&L for cement concrete type C-2, 1:3:6(using 40mm graded stone aggregate ) in foundation and filling concrete for columns, fecning posts etc complete all as specified and directed

S&F Mild steel angle iron cut to shape as directed drilling holes notching for wire as in posts and struts in fecning etc including all necessary cutting and welding etc and for similar work complete all as specified and directed

S&F for mild steel screw bolts(machine cut) with hexagonal or square heads at one end and screwed the other or screwed both ends each screwed end to be fitted with washers and one hexagonal or square not exceeding 5cm long and diameter of neck 5 to 10 mm complete all as specified and directed

Supplly only MS Chain Link Fencing of 50mm x 50mm x 3.90 mesh size complete all as specifed and directed

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc including provion of binding wire complete all as specified and directed

M&L mild steel round bars Fe 410W(Gde E-250) quality-A, 10mm dia and over, cut to length, bent to shape required including cranking, bending spirally for stiffners complete all as specified and directed

M&L for Preparation of new or previously untreated surface exc 10cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide on steel surface complete all as specified and directed

EVEREST ENGINEERING WORKS (BID ID -3333334)

SUPER COOL (BID ID -3340037)

RAVINDRA BROTHERS (BID ID -3340960)

rvelectricals (BID ID -3329645)

Chakshu Enterprise (BID ID -3333344)

NATIONAL ENGINEERING CORPORATION (BID ID -3334047)