PROVN OF STANDBY TRANSFORMER AT MRS SATWARI AND MH JAMMU AND CONNECTED ITEMS AT JAMMU

Amount

Supply, installation, connecting electrically, testing & commissioning Power Transformer 8 MVA, HT 33 KV 3 Phase 50 HZ , LT 11 KV, 3 Phase 50 HZ step down,outdoor type platform mounting with ONAN' type cooling with external cooling tubes/radiators, Delta/star connected, vector group DYN-11 double copper wound with auto manual type on load tap Changer and other standard fittings/ accessories and 17 position ON Load Tap Changer (OLTC) (Tapping range ± 10% in step of 1.25% each) with remoteTap cubical changer (RTCC) Panel & Automatic voltage regulator (AVR) with vector group Dyn11 complete all as specified and directed and as specified in IS-2026. (a). Transformer shall be oil immerse, naturally self cooled doubled coppper wound, winding core type, MS radiator cooled tank complete first filling of IS I marked filtered & Dehydrated transformer oil plus 5 % spare oil as per IS 335 of 1980 . The temperature of oil shall not rise more than 50 degree centigrade to ambient temp and 55 degree centigrade of winding. Transformer shall be painted with two coats of epoxy paint as per IS-632 The transformer shall be complete with all standards fittings and accessories required as per latest specification, gauges. (b). The followings standard accessories shall also be provided:- (i) Rating and diagram plate. (ii).HT Cable Bushing 33 KV Rating. (iii).LT Cable Bushing 11 KV Rating. (iv) Buchholz Relay ( having contacts for alarm & trip). (v) OTI ( having contacts for alarm & trip). (vi) WTI ( having contacts for alarm & trip). (vii). Earthing terminals 2 No. (viii). Lifting lugs. (ix). Thermostat for sensing oil temperature and winding temperature including wiring from sensors to OTI and WTI.

(x). Air release hole with plug. (xi). ON Load Tap Changer (OLTC) (Tapping range ± 10% in step of 1.25% each) with remoteTap cubical changer (RTCC) Panel & Automatic voltage regulator (AVR). (xii )Breather assembly with silica gel. (xiii) Control & Relay Panel for Power Transformer. (xiii) Transformer platform of suitable size and specification as per manufacturer design.

Supply, installation, connecting electrically of 33 KV, single phase, out door oil cooled CT of ratio 300/150-75/5-5 Amp, class 0.5 and SP 15 burden 15 VA with initial filling of oil, including CT clamp connector for ACSR Panther conductor, mounting nuts bolts and washers of suitable size required on site ; complete all as specified and directed by the Engineer-in-Charge.

Supply, installation, connecting electrically of 33 KV single phase out door oil cooled PT of ratio 33KV/rt3/110V/rt3 , Class 0.5-3, Burden 50 VA – 50 VA with initial filling of oil, including PT clamp connector for ACSR Panther conductor, mounting nuts bolts and washers of suitable size required on site ; complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing for HT 33 KV out door type gang operated air-break switch suitable for horizontal or vertical mounting fixed type complete with 9 insulators and with earth switch upto 200/400 Amps and including mounting arrangement on Gantory Beam/Lattice structure with welding , nut bolting connecting electrically with isolator clamps suitable for panther ACSR conductor ; complete all as specified and directed by the Engineer-in-Charge.

Supplying, fabricating and testing in position in hot dip galvanised steel structure , gantries for mounting busbar , various equipment such as circuit breakers, disconnecting switches, instrument transformers, lightning arrestor, post insulators and accessories etc at suitable height to match with height of circuit breakers, transformers etc and allowing minimum safe distance/height as per IE rules/IS standard out of MS channel angle rolled steel (Joists) MS flat nut bolt washer etc upto 15metres height complete all as specified :- (i) Gantry and tower required shall be designed fabricated and suppplied as a part of this item & work covered by this specification to make the installation to complete in all respect. (ii) The structure shall be of lattice type structure fabricated from rolled mild steel hot-dip galvanized sections. All joints will be with nut bolts only. (iii)The finished surface shall be clean smooth and shall be free from defects like discolored patches bad spots blistered surface flanking or peeled of zinc, spiky deposit of zinc etc. (iv) Steel members bolts nuts , fitings shall be hot dip galvanized except spring washer which shall be electro galvanized. (v) Detailed drawings of 33/11 KV switchyard including line diagram of control room and panel alongwith design calculation dully vetted from faculty member/ M.Tech in Power Engg. and faculty of Civil Engg (master in structural Engg.) of any NIT or IIT has to be submitted for approval of GE Satwari before start of work for this item, Complete all as specified and directed by the Engineer-in-Charge. Note :- Earth work and PCC shall be measured and paid separately.

Supply and fixing for Post Insulators porcelain type brown colour uses for transmission bus bar for 33 KV electric supply ; complete all as specified and directed by the Engineer-in-Charge.

Supply, fabricating & fixing Galvainised flat iron earthing mat by welding the Galvainised flat iron strip of size 75m x8mm each other and with the earting electrode strip, including welding. Earthing net also to be welded with exsting earthing mat in 33 KV Sub Station. Note:- Earthing required for connecting with the earting mat to measured and paid separately required on site ; complete all as specified and directed by the Engineer-in-Charge.

Supply, installation, connecting electrically of Out door type 11 KV, 630 Amp, 26.3 KA Load Break Switch with fuse Trip, earth switch, dynamic mimic arrangement, 230 Volts AC Shunt Trip coil and 2 NO + 2 NC auxilliary contacts 50 HZ Three phase break switch with earth switch alongwith all accessories :- (a) 11 KV HT HRC Fuse rating 120 Amps. (b) LBS ON/OFF indication, Control wiring with appropriate colours. ( c) Space heaters with ON/OFF switch and thermostat, and Fuse for AC control. (d) MS sheet enclosure suitable for outdoor type installation with MS Base channel duly powder coated , including provision for incoming and out going cable box. (e) Main Busbar of size 50mm X 12mm and Earth Bus of size 40mm X 6mm. (f) 01 metre height plateform from GL lavel of suitable size and specification & design.

Supply, installation , testing and commissioning of of Outdoor Ring main unit two incoming 11 KV HT load break switch one 11 KV outgoing load break switch SF6 filled load break switch each of 11 KV ,630 Amp incl 01 mtr hight plateform from GL lavel as per suitable size required on site ; complete all as specified and directed by the Engineer-in-Charge.

Supply, installation , testing and commissioning of 11 KV ,800 Amp, 25 A/3 sec indoor type bus coupler with 2 nos VCB capacity of 11 KV 800 Amp, 25 A/3 sec panel Board and all connected work incl necessary items with existing installation for standby supply complete arrangement for smooth functioning complete all as specified and directed by the Engineer-in-Charge.

Supply installation testing and commissioning HT 11 KV, 3 phase 50 Hz, indoor type, totally enclosed metal clad switchgear complete with Vacuum Circuit Breaker having rupturing capacity 350 MVA, overload and earth fault protection, ammeter, voltmeter and of rating upto 630 Amp.for out going(at 33/11KVA Sub Stn) confirming to IEC 62271-200, IAC-AFLR-18.3 KA for 1 Sec, LSC2B-PM class front accessed comprising of following material required on site complete all as specified and directed by the Engineer-in-Charge. (a) 630A continuous rated electrolytic copper bus bars, droppers and bus bars should be insulated with full system voltage sleeves of reputed make. (b) Cassette mounted vacuum circuit breaker as per IEC 62271-100. Vacuum circuit breaker should have three no. resin encapsulated vacuum bottles of the same manufacturer as of circuit breaker. (c) Motorized spring charging mechanism with integral spring charging handle for manual spring charge. (d) Inter panel epoxy barrier to restrict arc propagation from one panel to other. (e) Cast resin Current transformer 11KV ,200-100/1-1A, Core1: 0.5, 15VA, Core2: 5P10, 15VA. (f) Accessories like local/remote switch, breaker control switch(T-N-C), space heater with thermostat, DC & AC control circuit through MCB, indicating Lamps for RYB, Spring charge, DC supply healthy, breaker ON/OFF, breaker in SERVICE/TEST (g) Multifunction meter with RS485 port model no. EM6400 of CONSERV

(h) Digital Ammeter, master trip relay and anti pumping relay. ( j) Comprehensive numerical protection relay with IEC 61850 compatible for directional and non directional O/C, E/F, U/V,O/V protection type REF 615 of ABB or Equivalent having following additional facilities. (k) Panel shall also have additional facility like: 1. Continuous rated closing and tripping coil. 2. Fully internal arc type tested (18.3 KA for 1 Sec) as per latest IEC 62271-200. 3. Vacuum bottles shall be epoxy encapsulated. 4. Racking in/out, manual closing/tripping of CB with compartment door closed. 5. Breaker shall be provided with following contacts. a. Auxiliary switch with 6NO+6NC mounted on the draw out portion of the switchgear. b. Position switches with 3 NO+1NC contacts for each position in SERVICE and TEST. c. Mechanical operation counter. Note:- This VCB is to be connected with the existing 11 KV VCBs. Rates quoted by the contractor shall includes the cost of item and labour required to connect with the exsting VCBs

Excavation in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter deep and getting out in any type of soil complete all as specified and directed by the Engineer-in-Charge.

Material & Labour for providing dry river sand as in trenches over under ground electric cable 8 cm layer before cable and 15 cm thick layer after laying the cable sand cushioning to under ground cable including punning down of sand in layers shall be paid 18 cm ; complete all as specified and directed by the Engineer-in-Charge.

Returning filling in soils including spreding, leveling, watering and well ramming in layers not exc. 25 cm thick ; complete all as specified and directed by the Engineer-in-Charge.

Removing surplus soil to a distance not exceeding 50 meter and sepositing where directed at a level not exceeding 1.5 meter above the starting point required on site ;complete all as specified and directed by the Engineer-in-Charge.

Supply and laying 40mm thick Precast (Un-reinforced) Cement Concrete cable cover of size 300mm x 180mm, class HV, Type 1, flat, in trenches over underground electric cable for mechanical protection ; complete all as specified and directed by the Engineer-in-Charge.

Material & Labour for Earthing complete with Galvanised steel earth plate electrode 600 x 600 x 6 mm buried directly in the ground vertically to depth not less than 3 Mtr below the ground level with the top edge of earth plate, depth not less than 2.25 Mtr below the ground level connected to GI earth strip of 32 mm x 6 mm size by means of bolts, nuts and washers protected by GI tubing light grade 40 mm dia uptoTest point 20 mm dia watering pipe with funel & wire mesh, PCC pit in PCC 1:2:4 using 20 mm stone aggregates chamber 40 mm thick RCC cover slab (1:2:4) type B-1 using 20 mm graded stone aggregates complete all as specified and shown in electrical plate No.3 of SSR Part-I including earth work in any type of soil ,removal of surplus sil and providing charcol dust & salt layers all around the earth plate upto 15 cm all as required specified & directed by engr in charge ( Note:- Up to 7.5 Mtr length of pipe of 40 mm dia and GI strip shall be deemed to be included in unit rate quoted by tenderer GI pipe and GI strip beyond 7.5) will be measured separately under respective item

Material & Labour for Earthing complete with Copper earth plate electrode 600 x 600 x 3.15 mm mm buried directly in the ground vertically to depth not less than 3 Mtr below the ground level with the top edge of earth plate, depth not less than 2.25 Mtr below the ground level connected to GI earth strip of 25 mm x 3mm size by means of bolts, nuts and washers protected by GI tubing light grade 40 mm dia uptoTest point 20 mm dia watering pipe with funel & wire mesh, PCC pit in PCC 1:2:4 using 20 mm stone aggregates chamber 40 mm thick RCC cover slab (1:2:4) type B-1 using 20 mm graded stone aggregates complete all as specified and shown in electrical plate No.3 of SSR Part-I including earth work in any type of soil ,removal of surplus sil and providing charcol dust & salt layers all around the earth plate upto 15 cm all as required specified & directed by engr in charge ( Note:- Up to 7.5 Mtr length of pipe of 40 mm dia and GI strip shall be deemed to be included in unit rate quoted by tenderer GI pipe and GI strip beyond 7.5) will be measured separately under respective item required on site ;complete all as specified and directed by the Engineer-in-Charge.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts grade, of size 3 core 300 sqmm required on site ;complete all as specified and directed by the Engineer-in-Charge.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts grade, of size 3 core 185 sqmm required on site ;complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing for lightning arrestor(metal oxide),rated of voltage arrestor-30 KV rms as per IEC 99/4 long duration discharge class-2, impules high current duration discharge of 4/10 micro sec wave (KPA) for HT 33 KV nominal discharge current capacity (8/20 micro sec )10 KA ;complete all as specified and directed by the Engineer-in-Charge.

Supply, laying & testing PVC insulated, PVC sheathed cable galvanized steel strip or wire armoured, electric control cables (Heavy duty) with stranded copper conductor of size 2.5 sq mm ,2 core, 1100 Volts grade ;complete all as specified and directed by the Engineer-in-Charge.

Supply, laying & testing PVC insulated, PVC sheathed cable galvanized steel strip or wire armoured, electric control cables (Heavy duty) with stranded copper conductor of size 2.5 sq mm ,4 core, 1100 Volts grade ;complete all as specified and directed by the Engineer-in-Charge.

Supply, laying & testing PVC insulated, PVC sheathed cable galvanized steel strip or wire armoured, electric control cables (Heavy duty) with stranded copper conductor of size 1.5 sq mm ,6 core, 1100 Volts grade two Run ;complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing for cable jointing kit for 11 KV grade cable for in door termination, heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 300 sqmm

Supply and fixing for cable jointing kit for 11 KV grade cable for out door termination, heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 300 sqmm ;complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing for cable jointing kit for 11 KV grade cable for out door termination, heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 185 sqmm ;complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing for 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 185 sqmm ;complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing for Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 185 sqmm ; complete all as specified and directed by the Engineer-in-Charge.

Material & Labour for Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine with & including HDPE pipe (M&L) of 150 mm dia suitable for 0.4 mpa working pressure ; complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of HT Cable route indicator made out of cast iron round disc of size 15mm dia duly fixed on MS angle iron of size 40mm x 40mm x 3mm and grouted in PCC (1:2:4) type B-1 of size 15cm x 15cm including PCC , height of indicator shall be 1metre from GL , with & including marking with colour 11000 volt HT UG Cable rute marker ; complete all as specified and directed by the Engineer-in-Charge.

Material and labour for duct wall made of brick work for controling cable, of duct internal Size 1000mm X 300mm X 300mm all connecting work execute with including earth work, excavation in trenches , removal of surplus spiol, PCC1:4:8 type D2 as in foundation , floor etc , including TMT bars 10 mm dia and over cut to length, bent to shape required on site including mild steel wire not less than 0.9 mm dia with clip to TMT bars & incl ,Brick work with sub class B brick, including plastering in cement mortar (1:4) , precast reinforced cement concrete M-30 as drain covers slabs supported on wall used 10 mm, 12 mm, 16 mm bar complete surface channel 1:2:4 type C2, RCC cable Cover slab,TMT Bar complete cement concrete Type C2 1:2:4 ( 20 mm graded aggregate ) in surface Channel complete all as specified and directed by the Engineer-in-Charge. Note:- Earthing required for connecting with the duct to measured and paid separately .

Surface excavation not exceeding 30 cm deep and averaging 15cm deep and getting out soft, loose / hard dense soil ; complete all as specified and directed by the Engineer-in-Charge.

Material and labour for Reinforced cement concrete M-20 (Nominal Mix) using 20 mm graded crushed stone aggregates for Foundations, including rafts, footings, foundation beams, plinth beams; bases for columns etc. basement slabs, under-reamed piles and mass concrete foundation and mass concrete/filling ; complete all as specified and directed by the Engineer-in-Charge.

Material and labour for Cement concrete 1:3:6 type C-2 using 40mm graded crushed stone aggregate in foundations, filling and mass concrete ; complete all as specified and directed by the Engineer-in-Charge.

Material and labour for use & waste formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams, and similar work, vertical or to batter on flate surface ; complete all as specified and directed by the Engineer-in-Charge.

Supply, laying & testing PVC insulated, PVC sheathed cable galvanized steel strip or wire armoured, electric control cables (Heavy duty) with stranded copper conductor of size 2.5 sq mm , 8 core, 1100 Volts grade ; complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing ACSR Panther Conductor type of high capacity, high strength, stranded conductor uses for 33 KV over head power supply lines with nuts bolts, washers, 'T' clamps, Tension fittings,suspension fittings and disc insulator polymer type suitable for 33 KV ; complete all as specified and directed by the Engineer-in-Charge.

M/s Trade Linker Associates (BID ID -3276985)

vijay builders (BID ID -3276954)

JCC ENGINEERS PRIVATE LIMITED (BID ID -3276984)

Sant Construction Co. (BID ID -3277003)

MAHESH KUMAR SINGLA CONTRACTOR (BID ID -3277128)

V K Sales and Construction Co (BID ID -3276286)