REPAIR MAINT OF HT DISTRIBUTION SYSTEM AND TRANSFORMER AT AF STATION BKT

Amount

M&L for servicing of HT 33KV, VCB/SF6 circuit breaker, 630 Amp by opening cleaning greasing the complete mechanical mechanism with attached numerical relays bus bar etc insultion testing setting the contact gap by measuring as required reassembling the VCB/SF6 and resetting back to its original position checking repairing the current circuit panel wiring ,relay testing and calibration and provision of minor spares as required complete including operational testing all as specified and directed. Note:- 1, Testing, calibration & servicing shall be carried by a qualified trained technician, service Engineer as report shall be submitted 2. Replacement of Major parts shall be measured and paid separately.

Supply only following parts for the SF6 circuit breaker 33 KV

(a) Closing coil 110V DC

(b) Tripping coil 110V DC

(c) Spring Charging motor 220V AC

(d) 33KV porcelain bushing for VCB Top

(e) 33KV porcelain bushing for VCB bottom

(f) LED type indicator lamp assembly

(g) Auxililary switch

M&L for carring out servicing/periodical maint of HT 11 KV panel having SF-6 Circuit breaker,630 Amps/400Amps 06/08 Nos (outgoing, incoming& bus coupler) atfer isolating electric supply by a well expereienced/technical qualified having well knoweldge of working on 11 KV system (self employed or through any reputed service center/manufacturer work comprising of complete cleaning of dust in the panel, checking IR valve of insulaters and panels (low insulated us items shall be paid & measured as supply only under respective items) checking all out going & incoming connection including replacement of unserviceable of lugs if any. Note:- 1, Testing, calibration & servicing shall be carried by a qualified trained technician, service Engineer as report shall be submitted 2. Replacement of Major parts shall be measured and paid separately.

Servicing /periodical maint of 11 KV circuit breaker SF6/LBS as detecting gas leakage pressure monitoring test, tighting all loose points, servicing & repairing closing and opening circuit & mechanism, cleaning of aux contact, including replacement if found detective, servicing of spring charging mechanism & motor having all visiual parts making the circuit breaker function and mechanically testing before before puts on load on test position for proper charging & discharging/opening & closing including electrical test like CRM test, closing & opening time test, IR test, calibration and checking of control wiring and eletronic relay time setting if required and testing tripping, closing, opening, showing fault nature complete all as specified and directed. Note:- 1.Testing, calibration & servicing shall be carried by a qualified trained technician, service Engineer as report shall be submitted. 2. Replacement of Major parts shall be measured and paid separately.

Supply only following parts for the SF6 circuit breaker & Panel of 11 KV :-

(a) Tripping coil/Closing coil 24V DC

(b) control Relay 24V DC

(c) LED type indicator lamp assembly

(d) Vaccum Interupter for indoor VCB

(e ) spout incoming/out going side

(f) spring charge motor 24V DC

(g) VPIS indicater

(h) Push switch

(i) CT resin cast dry type indoor type of 11 KV capacity dual ratio 100-50/5 Amps

(j) 11 KV Busbar mounting indoor typy epoxy insulator with nut bolts

Material, labour and tools & plant for carrying out site test including control wiring test of transformer 33/11. 1 MVA and 33/.433KV, 100 KVA after disconnecting electric supply (taking proper shutdown) by a well experienced and educated in relevant field/reputed testing lab for the following :- a) Insulation Test (IR/ Megger Values ) b) Open Circuit/Ratio test. c) Short Circuit Test. d) BDV Value of T/F Oil. (e) Control circuit wiring test from VCB to transformer.

Dehydration /Filteration of transformer oil at site by means of centrifuging machine in order to improve di-electric strength of oil as per IS-355. Break down voltage should not be less than 50 KV complete all as specified and directed.

Supplying, filling transformer Oil of di-electric strength of 60 KV for complete replacement/topping up in transformer/isolation/voltage stabilizer including dehydration all as specified and as directed by Engr-in-Charge. (Oil should be supplied in sealed barrel of Power/Transol brand)

Drain out transformer Oil for replacement all as specified and directed.

Supply & fixing of Silica gel in granular form for transformer air breather complete all as specified & directed by Engr-In-Charge.

S&F in repairs HT 11 KV bushing insulator, Brass metal studs nut & washers suitable for HT bush side of transformer up to 160 KVA

All as per item No. 11 above but 200 to 250 KVA capacity of transformer.

S&F in repair temperature gauge dial thermometer with a bimetal sensing system suitable size for transformer of any capacity. Make - Precimeasure controls or equivalent make

S&F Oil level indicator glass of existing size of the transformer of any capacity including replacement of allied gaskets complete and draining out transformer oil from conservator and refilling as directed by Engr-in-Charge.

S&F in repairs HT bushing insulators brass metal studs,nuts & washers suitable for 33 KV side of 3.15 MVA capacity power transformer all as specified and directed. Make Kirloskar / CG.

Disconnecting HT, LT electric supply and earthing and taking down 11/0.433KV transformer capacity upto 250 KVA from plinth/4 pole /2 pole structure/ for repairing/rewinding and the installation on same/other position including tranportation and testing on load all as specified and directed

M&L for rewinding of transformer, including dismantling and drain out transformer oil, removing the core coil assembly from transformer remove the weak /unserviceable 11KV HT side coil assembly rewinding with existing gauge super enamelled copper wire including insulating materials and varnish drying,baking etc complete and assembling the primary and secondary coil in core, re-assembling the transformer complete with filling and dehydration the transformer oil, capacity upto 250 KVA, complete all as directed.

All as per item No. 17 above but 430 V LT side transformer capacity upto 250KVA

NOTE for Item Sl No. 17 & 18 : (i) Transformer oil shall be measured & paid seperately. (ii) Rewinding will be carried out only after the inspection of Transformer by the departmental authority at Authorized maintenance work shop.

Recondiniong of winding /coil of transformer 11/0.433KV with new insulating materials, papers and varnish, taps cleaning etc all as specified and directed of capacity 100 to 250 KVA all as directed.

M&L for Disc type porcelain vitreous, brown or white insulator to suit 11 KV HT working Pressure of size 145 mm height, 255 mm dia , including. one galvanised mild steel spindle, two galvanised iron washer and one GI nut including dismantling existing old insulator from position, complete all as specified & directed.

M&L for Pin type porcelain vitreous,brown of white insulator to suit 11 KV HT of working pressure of size 150mm height, 150mm dia, including one galvanised mild steel spindle, two galvanised iron washer and one GI nuts including dismantling existing old insulator from position, complete all as specified & directed.

M&L for Post insulator suitable for 11 KV HT working pressure including all connected accessories including dismantling existing old insulator from position complete all as specified & directed.

Taking down 11 KV HT Drop out fuse assembly with DO Fuse unit and Triple pole Air break switch mechanism complete all as directed.

Material & Labour for HT Drop out fuse assembly of 11 KV Current Rating of 200 Amps with 2 post insulator per phase,double stack channel type incl steel base mounting frame,MS Nuts and bolts complete all as specified and directed. Make :- Jaipuria/ Pactil /GEC

Material & Labour for outdoor type Gang operated Air break switch triple pole, mechanically operated, mounted on insulator and steel frame,with operting mechanism worked from ground level with GI pipe medium grade, for current rating upto 200 Amps suitable for vertical mounting fixed type complte with 09 Nos HT insulators suitable for HT 11 KV complete all as specified and directed. Make :- Jaipuria/ Pactil /GEC

Material & Labour for Lightning Arrestor (LA) zinc oxide type complete with all fittings transmission class, discharge capacity 10 KA, suitable for 12 KV complete all as specified and directed. Make :- Jaipuria/ Jaisree /Southern Insulators

Repairing / Servicing the Air break isolating switch 11 KV, 200 Amps by replacing the defective major spares including provn of worn out bolts nuts etc, applying petrollium jelly on moving/ fixed contacts complete all as specified & directed. Note :- Major spare will be measured & priced seperately under relevant item of Sch item No. 28

Supply only spares for Airbreak switch 11 KV, 3 Phase 200 Amp rating

(a) Male contact/moving Contact Blade

(b) Female contact/Fix Contact Jaw

(c) Tinned copper Flexible jumper 200A/400 A

(d) MS jumper carrier

(e) Back Connector plate

Supply and fix cable jointing kit for 11KV grade cable for Outdoor end termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified & directed.

Supply and fix cable jointing kit for 11KV grade cable for Indoor end termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm, complete all as specified & directed.

Supply and fix cable jointing kit for 11KV grade cable for Straight through joint heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm, complete all as specified & directed.

M&L for graded taking out old coarse aggregate (broken stone or boulders) of any size and M&L for graded coarse aggegrate of size 40 mm for spreading and levelling at substation yard all as directed and specified.

Cutting and trimming of tree branches 3 mtr all around of any size obstructing lumination of street light and touching LT / HT Over head line incl removing trimmed tree branches as directed.

M&L for cleaning the surface of the MS steel tubular HT/LT pole above the ground level with 2 coats of exterior Aluminium paint over a coat of red oxide primer including 12 cm blue paint around the pole and pole number in red when paint, complete all as specified & directed.

Excavation in trenches n.exc 1.5M wide & n.exc 1.5m in depth for laying & removing of cable any sizes and getting out in hard/dense soil all as specified.

Returning filling in excavated earth work including spreading, levelling, watering and well ramming in layers n.exc 25cm thick complete all as specified and as directed

Removing of surplus soil to a distance 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 as directed.

M&L for Sand cushioning to cable with a layer of sand 8 cm deep before laying the cable and 15 cms deep after laying the cable (punned down to 18 cms depth after laying and stretching of cable ) complete all as specified and as directed. (Note:- Punned thickness 23 cm of sand shall be measured & paid.)

Supply and lay precast concrete cable covers ,class HV, type- I flat size 300 x 180 x 40 mm complete all as specified and directed.

Supply, laying , testing and commissioning HT 11KV earthed XLPE cable , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3 core 95 sqmm laid in trenches / floor / duct / fixed on poles / through GI tubing including brass cable glands complete all as specified & directed.

M&L preparation of old painted external surfaces of HT 2 pole structures consisting of cross arms, GOD assy with pipe, DO fuse assy, clamps etc., of any description and applying one coat of Aluminium paint by mannualy (Except PCC/RCC Pole) complete all as specified & directed. Note :- This rate inclusive of painting all minor items such as clamps, brackets, nuts, bolts and washers which is not particularly mentioned in the structures & Each job will be measured and paid.

All as per item No 42 here in before but for 4 pole structure complete all as specified & directed.

M&L preparation of old painted surfaces of HT 33 including ring men/11 KV Feeder MRS at AF Stn BKT consisting of Steel poles / ISMBs, cross arms, GOD pipe,clamps etc., having of any description and applying one coat of Aluminium paint by mannualy (incl structure) all as directed. The approx particulars are as under :- (a) ISMB 200 X 100 x 6 mm 12 mtr height as pole - 4 Nos (b) ISMB 200 X 100 x 6 mm 4 mtr height as pole - 4 Nos (c) ISMB 200 X 100 x 6 mm 2.5 to 3.5 mtr height as pole - 100 Nos (d) Angle Iron cross support 75 x 40 x 6 mm - 80 RM (e) MS Flat 50 x 4 mm - 40 Rm (f) Channels of size 75 x 75 x 6 mm - 170 RM (g) Channels of size 100 x 50 x 6 mm - 250 RM (h) Channels of size 150 x 50 x 6 mm -200 RMr Note :- (a) This rate inclusive of painting all minor items such as clamps, brackets, nuts, bolts and washers which is not particularly mentioned in this item.

M&L for single porcelain type post insulator, 33 KV with mounting spindle etc. complete.

M&L for porcelain type Pin insulator, 33 KV with mounting spindle etc. complete.

Supply and fix Cable end termination kit cold shrinkable type outdoor type, suitable for XLPE cable 3 core, 120 sqmm, 33 KV HT supply, complete all as specified and directed.

All as per Serial No.47 above, but indoor type, suitable for XLPE cable, 3 core, 120 sqmm, 33 KV HT supply complete all as specified.

Supply only HT type Insulating Tape non heat shrinkable type of 38 mm width and 10 Mtr length.

Removing grass and bushes including its roots growing at Substation yard and keep the sub station yard neat and clean complete all as specified and as directed. Note:- one length measured in six months.

Supply, laying , testing and commissioning HT 33 KV XLPE cable , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 33000 Volts grade (earthed), 3 core 120 sqmm laid in trenches / floor / duct / fixed on poles / through GI tubing including brass cable glands complete all as specified & directed.

M&L for carring out primary injection test of 33 KV current transformer metering & protection and setting at proper ratio with relays and checking the electrical circuits for fault condition and proper functioning.and also submitting the test report all as directed.

M&L for primary injection test of 11 KV current transformer and checking the electrical circuits for fault condition and proper functioning.and also submitting the test report all as directed by engr in charge.

M&L for primary injection test of 11 KV or 33 KV Potential transformer by applying low voltage on HV Side including testing of secondary wiring for its healthiness all as directed by engr in charge.

M&L for steel cross arms,angles,bracing supports,clamps and back plates fabricated from structual steel sections including nut bolts washers welding bending cold or hot drilling hole for bolts in any shapes or size as indicated or directed and inclusive of one primer coat and one finishing coat of silver paint including dismantling of old existing, complete all as specified & directed.

Dismantling and removing OH line ACSR of any Size all as specified and directed

Supply, stringing & fixing ACSR conductor on pole of 11/9 Mtr including binding on insulator and jumbers complete all as specified and directed

Supply only electrical rubber hand gloves suitable on working pressure of 11 KV all as specified and directed.

Supply only electrical rubber hand gloves suitable on working pressure of 33 KV all as specified and directed.

Supply only Bamboo ladder 24/20 Feet hight with each one feet bamboo horizondal with secure nut bolts and bamboo end position with ring secure all accessories all as specified and directed.

Supply only Bamboo ladder 12 Feet hight with each one feet bamboo horizondal with secure nut bolts and bamboo end position with ring secure all accessories all as specified and directed.

Supply and erection in truly vertical position of steel tubular swaged pole (410 SP-55), 11.0 mtr long, complete with cast iron base plate, pole cap/ finial taper plug, bolts, nuts and washers welded reduced section and longitudinal weld throught entire length of pole including 2 coats of black bituminous paint externally upto planting depth and remaining exterior portion of pole shall be provided with one coat of red oxide primer and two coats of aluminium paint and numbering of the pole etc, complete all as specified and directed . Note: Excavation, earth work and PCC shall be measured and paid for separately.

M&L for PCC type D2 1:4:8 (40 mm graded stone aggregate) as base concrete, filling in foundation complete all as specified and directed.

M&L for PCC 1:3:6 type C-2 using 40 mm graded stone aggregate as in foundation filling and mass concrete and copping etc complete all as specified & directed.

Detection of pin point fault in HT cable (burried in ground/under road/path up to depth of 1.5 m) by cable fault locating machine comprising impulse generator,acoustic fault locator and reflectometer (laptop based) complete all as specified and as directed. Notes-(1) Cable fault locating machine to be arranged at site with in 12 hrs after intimation (2) Earth work will be measured seperatly.(3) Cost of transpotation in unit rate is deemed to be included. Location:-AF Station BKT.

Supply and fix in repairs breather unit of transperant PVC material including its replacement for transformer of capacity up to 100 KVA.

All as per item No.66 above but 200 to 250 KVA capacity of transformer.

FUTURE Inc. (BID ID -3129945)