CWE/GGN/FT-43/2025-26 REPAIR/MAINT OF HT DISTRIBUTION NETWORK, ISOLATORS, 11 KV BUSBAR PANEL, AVR AND OTHER CONNECTED WORKS AT AF STN CHANDINAGAR UNDER GE (AF) FARIDABAD

Amount

Disconnecting HT supply and taking out trolley of SF6 Circuit breaker 33 KV indoor type 630 Amps and servicing of trolley by cleaning isolating contacts , removing dust particles from Bus bar chamber and Spout gear mechanism and moving parts lubricating moving parts repair/replacement of parts testing as mentioned below and system complete all as specified and directed by Engr in Charge. Note: (i) Measurment of resistance value, tools , labour, petroleum jelly , dry cloths, nut -boltsare, CRC, washers etc incl in the quoted rates. (ii) Contractor will provide company authorised dealer/service centre test / representative test report of internal resistance of breaker and operating time. (iii) Primary and secondery injection test to be carried out without any extra cost to department. (iv) Spare Parts will be measured & Paid Separately as under.

Opening &closing coil -110 V DC (Suitable for Item No 1.00 & 2.00 above)

Motor 220 V AC/DC SP (Suitable for Item No 1.00 & 2.00 above)

Auxilairy contact (7NO +7 NC) (Suitable for Item No 1.00 & 2.00 above)

New Micro switch with ball (Suitable for Item No 1.00 & 2.00 above)

New Micro switch without ball (Suitable for Item No 1.00 & 2.00 above)

Micro switch assembly (Suitable for Item No 1.00 & 2.00 above)

RC unit assbly (Suitable for Item No 1.00 & 2.00 above)

Catch (Suitable for Item No 1.00 & 2.00 above)

Shock Absorber (top) (Suitable for Item No 1.00 & 2.00 above)

Shock Absorber (Bottom) (Suitable for Item No 1.00 & 2.00 above)

Charging device HPA 12/-40C (Suitable for Item No 1.00 & 2.00 above)

spring Mech frame (Suitable for Item No 1.00 & 2.00 above)

Top operating shaft Assbly (Suitable for Item No 1.00 & 2.00 above)

Bottom operating Shaft Assbly (Suitable for Item No 1.00 & 2.00 above)

Pressure switch single Level (Suitable for Item No 1.00 & 2.00 above)

O Ring (Suitable for Item No 1.00 & 2.00 above)

opening spring complete with spring holders& spacers (Suitable for Item No 1.00 & 2.00 above)

Closing spring complete with spring holders& spacers (Suitable for Item No 1.00 & 2.00 above)

TNC switch (Suitable for Item No 1.00 & 2.00 above)

Support insulator 36 KV (Suitable for Item No 1.00 & 2.00 above)

Poly Shutter 36 KV (Suitable for Item No 1.00 & 2.00 above)

Tulip contact 15 finger (Suitable for Item No 1.00 & 2.00 above)

contact bolt (Suitable for Item No 1.00 & 2.00 above)

OP-Mech Assbly HPA-36 KV (Suitable for Item No 1.00 & 2.00 above)

Bushing -R 36 KV VHA Cub (1250 A) (Suitable for Item No 1.00 & 2.00 above)

Disconnecting HT supply and taking out trolley of 11 KV RMU SF 6 indoor type and servicing of RMU by cleaning isolating contacts , removing dust particles from Bus bar chamber and Spout gear mechanism and moving parts lubricating moving parts replacement of worn out unserviacable parts /components and testing complete as mentioned below complete all as specified and directed by Engr in Charge. Note: (i) Measurment of resistance value, tools , labour, petroleum jelly , dry cloths, nut -boltsare, CRC, washers etc incl in the quoted rates. (ii) Contractor will provide company authorised dealer/service centre test / representative test report of internal resistance of breaker and operating time. (iii) Primary and secondery injection test to be carried out without any extra cost to department. (Note : Spare Parts will be measured & Paid Separately as under)

Motor & Gear only 24 V DC (suitable for item No. 3.00 & 4.00 above)

2PA Mechanism W/O Hex rod (suitable for item No. 3.00 & 4.00 above)

3PKE Mechanism W/O Hex rod (suitable for item No. 3.00 & 4.00 above)

Manometer Assbly (suitable for item No. 3.00 & 4.00 above)

Bushing 400 series bolted type (suitable for item No. 3.00 & 4.00 above)

Opening coil 24 DC for RMU (suitable for item No. 3.00 & 4.00 above)

Closing Coil 24 DC for RMU (suitable for item No. 3.00 & 4.00 above)

shaft for operating handle (suitable for item No. 3.00 & 4.00 above)

O Ring 72 x 6 400 Series (suitable for item No. 3.00 & 4.00 above)

Aux switch (suitable for item No. 3.00 & 4.00 above)

Insulated bushing cover (suitable for item No. 3.00 & 4.00 above)

Anti Pumping device (suitable for item No. 5.00 above)

Vaccum interruptor 2.4" dia (suitable for item No. 5.00 above)

Spring Charging Motor with motor & operating coils (suitable for item No. 5.00 above)

Closing Spring assembly (suitable for item No. 5.00 above)

Motor Cut limit Switch (suitable for item No. 5.00 above)

TNC switch (suitable for item No. 5.00 above)

Auxillary switch (7 NO +7 NC) (suitable for item No. 5.00 above)

Supply and fixing of combined over current and earth fault numerical relay with input current and auxiliary voltage V incl complete installation in 33 kV RMU panel, complete connections and testing at 33 KV sub stations all as specified and directed by Engr in Charge. Note: (i) Relay will be fixed in existing HT panel incl cutting , welding, drilling or any other suitable means or will be fixed in separate cabinet without any extra cost to department (ii) All type of wires required for proper connection will be provided by contractor without any extra cost to department. (iii) Proper functioning and testing will be carried out without any extra cost to department.

Supply and fixing of combined over current and earth fault numerical relay with input current and auxiliary voltage incl complete installation in 11 kV RMU panel, complete connections and testing at 11 KV sub stations all as specified and directed by Engr in Charge. Note: (i) Relay will be fixed in existing HT panel incl cutting , welding, drilling or any other suitable means or will be fixed in separate cabinet without any extra cost to department (ii) All type of wires required for proper connection will be provided by contractor without any extra cost to department. (iii) Proper functioning and testing will be carried out without any extra cost to department. Note: Repair/replacement for Ser No 1 to 7 herein before shall be done only by OEM representative/ authorised centres.

Supply and fix of Current Transformer suitable for SF6 RMU 11 KV panle current ratio is 60/30/1 Amp and class IP-10 protection complete all as specified and directed by Engineer-in-Charge.

M& L in replacement of cable jointing kit for 33 KV grade cable for indoor termination Cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of Size 120 Sqmm 03 core complete all as directed by Engr-in-charge .

M& L in replacementof cable jointing kit for 33 KV grade cable for outdoor termination Cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of Size 120 Sqmm 03 core complete all as directed by Engr-in-charge .

M& L in replacement of straight through joint Cold shrinkable cable jointing kit for 33 KV earthed system suitable for XLPE cable of size 3 core armoured Al conductor cable of Size 120 Sqmm complete all as directed by Engr-in-charge .

M& L in replacement of cable jointing kit for 11 KV grade cable for indoor termination Cold 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 directed by Engr-in-charge .

M& L in replacement of cable jointing kit for 11 KV grade cable for outdoor termination Cold 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 directed by Engr-in-charge .

Material and labour for straight through joint Cold shrinkable 11 KV earthed system suitable for XLPE cable of size 3 x 95 Sqmm incl taking down old unsv HT joint complete all as directed by Engr-in-charge . Note;- for Item no 9 to 14 earth work required deemed to be included in quoation rate.

Supply, install, test and commission lightening arrestor suitable for HT 11 KV expulsion type 65 KA 11 KV rating incl complete connections in replacement complete all as specified directed.

M&L for PT Fuse indoor 33 KV (3.15 A) complete all as specifed and as directed by Engineer in Charge.

Supply only in replacement of Blue silica gel 4-6 mesh suitable for transformers breather and protect HT/LT panels from moisture as per site requirement complete, all as specified and as directed.

M&L for replacement of AC Ammeter of size suitable for existing ampmeter with input 0 -1 AAC and range 0 - 40 AAC with CTR 40/1A Aux supply 230 V ; 50 Hz complete incl all connections and programme setting in existing 33 KV main incoming Panel all as specified and as directed.

M&L for replacement of AC Voltmeter with input 0-120 V AC and range 0-36 KV AC with CTR 40/1A Aux supply 230 V ; 50 Hz complete incl all connections and programme setting in existing 33 KV main incoming panel all as specified and as directed.

M&L for replacement of existing Multi function meter with input 0-120 V AC and range 0-36 KV AC with 33 KV/110 V Aux Supply complete incl all connections and programme setting by the service engineer in existing 33 KV panel as per meter placed in panel all as specified and as directed.

M &L for calibration of Auxillary relay for transformer trip functions such as bucholz relay trip/WTI trip/OTI trip fixed on 33 KV control panels for power transformer with all respects and making all alignments properly including connecting with phase indicator on control panels for smooth functioning of tripping system complete all as specified and directed.

S&F in replacement compact LED type DC indicator lamp & holder assembly of capcity 50 Volts of colours as in existing panel with fitting /fixtures suitable for 33 KV and 11 KV VCB control panels connections with existing wiring & taking out old unservicable indicators from panel completete all as specified and directed.

S&F in replacement digital type Ampere Meter suitable for 11 KV RMU /VCB panel to Check the outgoing load connections with CTs & taking out old unservicable meter from panel completete all as specified and directed.

Supply and fix in replacement push to close /open button assembly for Circuit Breaker 33 KV complete all as specified and directed by Engr in Charge.

Supply and fix in replacement push to close /open button assembly for Circuit Breaker 11 KV complete all as specified and directed by Engr in Charge.

S&F in replacement PT Fuse 11 KV suitable for 11KV/110 V PT completre all as specified and directed

M&L for detecting of fault in HT UG cable any size with fault locator equipment to locate the fault in HT cable of length not less than 50 RM . Note :- (a) The fault which is detected through cable fault locater will only be paid under this item (b) Charges of cable fault locator and DG set including transportation charges deemed to be included in the quoted rate. (c) Earth fault locator will be provided by the contractor for even single fault and no dealy on this account will be acceptable otherwise penality will levied Rs 1000/- per day. (d) Necessary testing of cable after making joint will be deemed to be including in the cost of relevent item. However necessary earth work cable cutting , joint making Joint will be paid under relevant item.

Dehydration including filtration and cleaning of transformer at site by centifugal dehydration machine till to achieve min Di-electric strength 40 KV at 2.5 mm gap including testing of sample before and after dehydration and filtration complete all as specified and as directed by Engineer-in-charge. Note : -(i) Contractor has to arrange the dehydration machine and testing kit without any extra cost of Govt (ii) Any damage occurred to transformer during the process of dehydration, shall be made good by the contractor to the entire satisfaction of the Eng-in-charge at his own expenses.

Supply and pouring new transformer oil as per IS : 335 (Latest revision) for transformers installed at various site or in repair for topping up after dehydration to achieve the di electric strength 60 KV at 2.5 mm gap, complete all as specified and as directed by Engr-in-Charge. Note : Transformer oil shall be brought at site in sealed container from the original manufacturer and shall be opened in front of Engr-in-charge, Container shall be deposited by the contractor to the deptt, which will be returned after completion of conract.

Supply and fixing in replacement for non-metal part HV bushing complete with packing for outdoor/indoor/canopy type power transformer (33 /11 kV) of capacity 1000 KVA complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in replacement HT, brass bush rod of suitable size for outdoor type power transformer (33 /11 kV) of capacity 1000 KVA complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in replacement for non-metal part HV bushing complete with packing for outdoor/indoor/canopy type distribution transformer (11 /0.433 kV)of capacity upto 400 KVA complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in replacement HT, brass bush rod of suitable size for indoor type distribution transformer (11 /0.433 kV) of capacity upto 400 KVA complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in replacement for non-metal part LV bushing with packing for outdoor/indoor/canopy type distribution transformer (11 /0.433 kV) of capacity upto 400 KVA complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in replacement LT bush rod made of brass of suitable size for outdoor/indoor/canopy type distribution transformer (11 /0.433 kV) of capacity upto 400 KVA complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in replacement of breather transparent type suitable for step down distribution transformers of capacity of 400 KVA with silica jel complete all as per specification and direction of Engr-in-Charge.

Supply and fixing in replacement of breather transparent type suitable for step down distribution transformers of capacity of 1000 KVA with silica jel complete all as per specification and direction of Engr-in-Charge.

M&L for earthing complete with galvanized steel plate earth electrode 60cmx60cmx6mm thick surrounded by char coal and salt buried directly in ground vertically in pit of depth not less then 2.25 mtr below ground level with top edge of the earth plate at depth of not less then 1.5 mtr below ground level surrounded from all sides by char coal dust and common salt in alternate layers of 15 cm depth and earth plate electrode connected to galvanised earth lead wire of 4.0mm dia at two points by means of GI nuts bolts, check nuts and washers and connected to earthling test point drawn through GI pipe for protection of earth lead wire and arrangement of watering pipe incl PCC earth pit (1:3:6) type C-2 with CI frame and RCC cover all as shown in electrical Plate No 3 on SSR Part-I including testing and dismantling ,taking down old unser earthing all as directed by Engr-In-Charge. Note: (i) Rate of Earth work, Earthing electrode, all connections, nut-bolts, washers, complete labour, testing, Earth lead upto 7.5 mtr, char coal dust, common salt, porcelain insulator, PCC earth Pit, CI frame ,RCC cover, funnel with wire mesh are incl in quoted rate and watering pipe, earth lead protection pipe, test poit, earth lead exceeding 7.5 mt are measured and paid separately.

Supply and fixing in repair of Earth continuity strip 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 fixed on wall with porcelain insulator or any other indicated situation for loop earthing etc. as required 25x4 mm GI strip complete all as directed by Engr-in-Charge.

Excavation in trenches, in soft/loose soil, not exceedings 1.5 Meters in width and not excedings 1.5 Meters in depth for laying of electrical cables etc and getting out including forming bottom surface and sides all as specified and as directed at site by Engineer-in Charge.

Returning filling-in, of soft/ loose soils, including spreading leveling watering and well ramming in layers not exceeding 25 Cm thick all as specified and as directed at site by Engineer-in-Charge.

Removing of surplus excavated material (Soil) not exceeding 50 Meters and depositing where directed at a level not exceeding 1.5 Meters above the starting point all as specified and as directed at site by Engineer-in-Charge.

Material and Labour for sand filling with clean, dry and sieved fine sand, unwashed including gently pruning around cables , after the cables are laid, in trenches for cable protection all as specified and as directed at site by Engineer-in-Charge. Note : Thickness of compacted sand of 18 cm shall be considered for measurement and payment purpose.

Supplying and laying old size bricks Kiln brunt ,neatly laid adjacent to each other with axis of bricks perpendicular to the axis of cable for cable protection all as specified and as directed at site by Engineer-in-Charge.

Boring of holes under roads / pavements / hard standing by trenchless technology using ultrasound technique and necessary machine including HDPE pipe of 150 mm diameter suitable for 0.4 Mpa working pressure

Supply, laying & fixing galvanized steel tubing 150 mm bore "light grade" with GI fittings in trenches/ under roads/ along pole/ wall including FI (25 mm x 6 mm ) clamps as required for cable protection all as specified & directed by EIC.

Dismantling & taking out defective underground cable any size and any type from trenches, pole, pipe, floor, wall etc complete all as specified and directed by Engr-in-charge.

Supplying, laying in trenches or passing through pipes, ducts or drawn across roads/paths/drains of fixed along poles/walls/floor etc, including connecting up, testing and commissioning of Cross Linked Polyethylene (XLPE) insulated, Screened, PVC bedded, Galvanized steel strip armoured electric power cable , heavy duty, with aluminium conductor 11000 Volts grade cross sectional area 95 sqmm 3 core suitable for 11 KV earthed systemcomplete all as directed by Engr-in-charge .

M&L for Chemical earthing ,Design development supply commissioning and testing EHCC certified ground terminal earthing system hollow tube solid bar CCPRI tested for sensitive signal/Electrical equipments highly anti corrosive long life severe wear conditions in the earth pit and of standard size ISI marked copper tube out side secondary conductor of 50mm dia and main primary conductor inside 25mm dia 3000mm length ready to install with suitable connecting terminal confirming to IS:3043 1987 specification highly conducive packing material to be filled in earth pits for providing uniform low resistivity anti corrosive hygroscopic medium around the earth system for improving the efficency of current dissipation 20 Kg per bag (3 bag per kit) min or sufficeient quantities required as per site complete incl PCC pits of inside dimension 0.5x0.5x0.5m and suitable cover complete all as specified and directed. Note: (i) Rate of Earth work, Earthing electrode, all connections, nut-bolts, washers, complete labour, testing, Earth lead/strip upto 7.5 mtr, char coal dust, common salt, porcelain insulator,PCC earth Pit, CI frame ,RCC cover, funnel with wire mesh are incl in quoted rate and watering pipe, earth lead protection pipe, test poit, and earth lead exceeding 7.5 mtr are measured and paid separately.

M&L for earthing complete with copper plate earth electrode 60cmx60cmx3.15mm thick surrounded by char coal and salt buried directly in ground vertically in pit of depth not less then 2.25 mtr below ground level with top edge of the earth plate at depth of not less then 1.5 mtr below ground level surrounded from all sides by char coal dust and common salt in alternate layers of 15 cm depth and earth plate electrode connected to copper earth lead strip of size 20X3.0 mm at two points by means of GI nuts bolts, check nuts and washers and connected to earthling test point drawn through 40 mm dia GI pipe for protection pipe and arrangement of watering pipe incl PCC earth pit (1:3:6) type C-2 with CI frame and RCC cover all as shown in electrical Plate No 3 on SSR Part-I including testing and dismantling ,taking down old unser earthing all as directed by Engr-In-Charge. Note: (i) Rate of Earth work, Earthing electrode, all connections, nut-bolts, washers, complete labour, testing, Earth lead upto 7.5 mtr, char coal dust, common salt, porcelain insulator,PCC earth Pit, CI frame ,RCC cover, funnel with wire mesh are incl in quoted rate and watering pipe, earth lead protection pipe, test poit, and earth lead exceeding 7.5 mtr are measured and paid separately.

Net Contract Sum will be after deducting Sch of Credit of Rs 19,930.00

Shiv Enterprises (BID ID -3478009)

BLUE HILL ELECTRICAL AND ELECTRONICS (BID ID -3477479)