REPAIR AND MAINT OF 33/11 KV SUB STATION, SWITCH YARD AND MISC WORKS UNDER G E(A) JAISALMER

Amount

Caliberation/Servicing/Overhauling & testing and commissioning of factory manufactured, HT 11 KV Phase 3 wire 50 C/S 400 Amps, 18.4 KA single panel switch board, vertical isolation and horizental draw out type vaccum circuit breaker (VCB) confirming to IS-13118, EIC-56 totally enclosed, single busbar floor mounting metal clad indoor extendible fully interlock complete comprising the following :- (a) CTs primary current injection test . (b) IR values of CTs (c) Ratio test of PTs and IR value (d) Protection relays testing through secondary current injection kit (e) Voltmeter, ammeter functional tesing (f) Breaker tesing for tripping time, closing time, contact resistance values and physically healthyness of Vaccum interuptor. Note:- 1. Wiring of Control Panels of VCBs, wiring of WTI, OTI, CTs, PTs will be including quoted rate. 2. Contractor will be responsible for arranging the expert for checking and rectification/Alteration of control wiring of safety relays.

Taking down and dismounting defective transformer 33/11 KV of capacity 0.750 MVA to 1.6 MVA from foundation by using crane and transporting to workshop or factory (authrorised for such repair) for repair after disconnecting HV, LV side HT cable or HT aluminium conductor, dismantling the same for repair & renewal of unserviceable parts and reassembling complete, spray painting with two coats of synthetic enamelled grey paint after preparation of old surface writing MES No with white paint of suitable size letter and transporting to back from workshop to site, installation on plate form, testing & commissioning to entire satisfaction.

Taking down and dismounting defective transformer 33/11 KV of capacity 2.0 MVA to 5.0 MVA from foundation by using crane and transporting to workshop or factory (authrorised for such repair) for repair after disconnecting HV, LV side HT cable or HT aluminium conductor, dismantling the same for repair & renewal of unserviceable parts and reassembling complete, spray painting with two coats of synthetic enamelled grey paint after preparation of old surface writing MES No with white paint of suitable size letter and transporting to back from workshop to site, installation on plate form, testing & commissioning to entire satisfaction complete all as specified and as directed by the Engineer-in-Charge.

Supply & Fixing post insulator, porcelain, vitreous, with hardware fitting complete for 33000 volts grade and including taking down old unsv post insulator complete all as specified and as directed by the Engineer-in-Charge.

Supply & Fixing of lightening arrestors 33 KV, 10 KA station type Class including all clamps, nuts, bolts and washers and connection to earth with 32x6mm GI strip complete and including taking down old unsv LA complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for switch air break gang operated triple pole mechanically operated, mounted on HT insulators (9 insulators type & 6 insulators for DO with horizontal operated) and MS galvanized steel frame with operating mechanism worked from ground level including operating rod for current rating up to 400 Amps 33000 volts complete with locking arrangement MS clamps, bolts and nuts and washers etc also including drop out expulsion type of fuses with fuse barrels of required capacity to suit load at site including two coats of aluminum paint over a coat of red oxide primer on MS work and including taking down old switch air break gang operated complete all as specified and as directed by the Engineer-in-Charge. Note : stack for fixing with poles shall be measure and paid separately

Material and labour for switch air break gang operated triple pole mechanically operated, mounted on HT insulators (9 insulators type & 6 insulators for DO with horizontal operated) and MS galvanized steel frame with operating mechanism worked from ground level including operating rod for current rating up to 400 Amps 11000 volts complete with locking arrangement MS clamps, bolts and nuts and washers etc also including drop out expulsion type of fuses with fuse barrels of required capacity to suit load at site including two coats of aluminum paint over a coat of red oxide primer on MS work and including taking down old switch air break gang operated complete all as specified and as directed by the Engineer-in-Charge. Note :- stack for fixing with poles shall be measure and paid separately

Material and labour for switch air break gang operated triple pole mechanically operated, mounted on HT insulators (9 insulators Vertical type operated) and MS galvanized steel frame with operating mechanism worked from ground level including operating rod for current rating up to 400 Amps 11000 volts complete with locking arrangement MS clamps, bolts and nuts and washers etc also including drop out expulsion type of fuses with fuse barrels of required capacity to suit load at site including two coats of aluminum paint over a coat of red oxide primer on MS work and including taking down old switch air break gang operated complete all as specified and as directed by the Engineer-in-Charge. Note : stack for fixing with poles shall be measure and paid separately

S&F annunciator relay box consisting of 4/6 block 18 to 90 volts DC complete in existing VCB of CG make and including taking down old relay box of any size complete all as specified and as directed by the Engineer-in-Charge.

S&F master trip relay 24 Volts DC complete in existing VCB of CG make and including taking down old unsv relay complete all as specified and as directed by the Engineer-in-Charge.

S&F master trip relay 110 Volts DC complete in existing VCB of CG make and including taking down old unsv relay complete all as specified and as directed by the Engineer-in-Charge.

S&F earth fault over current relay 24 Volts DC complete in existing VCB of CG make and including taking down old unsv relay complete all as specified and as directed by the Engineer-in-Charge.

S&F auxilary relay 110 Volts DC complete in existing VCB of CG make and including taking down old unsv relay complete all as specified and as directed by the Engineer-in-Charge.

S&F auxilary relay 24 Volts DC complete in existing VCB of CG make and including taking down old unsv relay complete all as specified and as directed by the Engineer-in-Charge.

S & F Voltmeter digital type for ACB/VCB any range complete and including taking down old unsv voltmeter complete all as specified and as directed by the Engineer-in-Charge.

S & F Ameper meter Digial type for ACB/VCB any range complete and including taking down old unsv amp meter complete all as specified and as directed by the Engineer-in-Charge.

S&F indication lamp RYB with holder complete 110 Volts DC complete in existing VCB of CG make and including taking down old unsv lamp complete all as specified and as directed by the Engineer-in-Charge.

S & F HRC fuse 5 Amps complete and including taking down old unsv fuse complete all as specified and as directed by the Engineer-in-Charge.

S&F multi functional meter for 11 KV VCB complete in existing VCB of CG make and including taking down old unsv multifunctional meter complete all as specified and as directed by the Engineer-in-Charge.

Supply and fixing over current and earth fault IDMT protection relay (digital relay) type CGI 14 N,75/250 Volts complete necessary connection and testing in existing VCB of CG make and including taking down old unsv IDMT protection relay complete all as specified and as directed by the Engineer-in-Charge.

Supply and fixing universal motor (spring charge for 11 KV VCB) 220 volt AC/DC type PMR5 in existing VCB of CG and including taking down old unsv motor complete all as specified and as directed by the Engineer-in-Charge. Make- Delco or equivalent make as approved by GE.

S & F of PT fuse suitable for 33/11 KV in existing VCB and including taking down old unsv PT fuse complete all as specified and as directed by the Engineer-in-Charge.

Dehydration of transformer oil (mounted on poles/platform etc) with the help of filtering and drying plant by mechanical machines of suitable capacity to achieve dielectric strength of 50 KV complete all as specified and as directed by the Engineer-in-Charge.

Supply, filling & topping up of transformer oil of dielectric strength 50 KV minimum for voltage stablizer, transformer, OCB's and PTS complete all as specified and as directed by the Engineer-in-Charge.

S&F TNC switch suitable for vacuum circuit breaker 11 KV, 110 Volts, DC complete and taking down old unsv switch complete all as specified and as directed by the Engineer-in-Charge.

S&F TNC switch suitable for vacuum circuit breaker 11 KV, 24 Volts, DC and including taking down old unsv switch complete all as specified and as directed by the Engineer-in-Charge.

S&F tripping coil for VCB suitable for 110/24 Volts DC and including taking down old unsv tripping coil complete all as specified and as directed by the Engineer-in-Charge.

S&F Closing coil for VCB suitable for 110/24 Volts DC and including taking down old unsv closing coil complete all as specified and as directed by the Engineer-in-Charge.

Supply, Jointing and testing out door type cable termination heat shrinkable joint kit suitable for size 95 Sq mm 3 core 11KV (unearthed cable) under ground XLPE cable and including taking down old unsv joint complete all as specified and as directed by the Engineer-in-Charge.

All as per item No. 30.00 above but size of 185 Sqmm 3 Core complete all as specified and as directed by the Engineer-in-Charge.

Supply, Jointing and testing in door type cable termination heat shrinkable joint kit suitable for 95 Sq mm 3 core 11 KV (unearthed cable) under ground XLPE cable complete all as specified and as directed by the Engineer-in-Charge.

All as per item No. 32.00 above but size of 185 Sqmm 3 Core complete all as specified and as directed by the Engineer-in-Charge.

Supply jointing and testing straight through heat shrinkable joint kit suitable for 95 Sq mm 3 core 11 KV (unearthed cable) under ground XLPE cable complete and including taking down old unsv joint complete all as specified and as directed by the Engineer-in-Charge.

All as per item No 34 above but size of 185 Sqmm 3 Core complete all as specified and as directed by the Engineer-in-Charge.

S&F 33 KV outdoor oil filled live tank single phase current transformer of ratio 50/5-5A class 1.0 & 5P10, Burden 15 VA complete and including taking down old unsv CT complete all as specified and as directed by the Engineer-in-Charge.

S&F 33 KV outdoor oil filled live tank single phase current transformer of ratio 100/5-5A class 0.5 & 5P10, Burden 15 VA complete all as specified and as directed by the Engineer-in-Charge.

S&F 33 KV outdoor oil filled single phase potential transformer ratio 33KV/√3/110V/√3, class 0.5 & 23P, Burden 100 VA, Voltage ratio 1.2 Continuous, 1.5 times for 30 Sec as per IS-3156:1992 complete and including taking down old unsv PT complete all as specified and as directed by the Engineer-in-Charge.

S&F 11 KV indoor type CTs as per IS-2705 suitable for 400-200/5-5A 15VA/15 VA class 0.5, 5P10 as per IS 2705 complete and including taking down old unsv CT complete all as specified and as directed by the Engineer-in-Charge.

S&F 11 KV indoor type CTs as per IS-2705 suitable for 200-100/5-5A 15VA/15 VA class 0.5, 5P10 complete as per IS 2705 and including taking down old unsv CT complete all as specified and as directed by the Engineer-in-Charge.

Supply & fixing synthetic rubberised gaskets 4mm thick for top cover and other joints for transformer capacity 0.750 MV to 5 MV 33/11 KV and including taking down old unsv gasket complete all as specified and as directed by the Engineer-in-Charge.

Supply & Fix porcelain bushing with stem brass rod for 33/11 KV transformer of cap 0.750 MV to 1.6 MV complete and including taking down old unsv bushing complete all as specified and as directed by the Engineer-in-Charge.

Supply & Fix porcelain bushing with stem brass rod for 33/11 KV transformer of cap 2.0 MV to 5 MV complete and including taking down old unsv bushing complete all as specified and as directed by the Engineer-in-Charge.

M&L for taking out unserviceable core and limb and HV/LV winding of transformer and taking out burnt copper winding wire cleaning carefully and rewinding the same with new superior quality 99.99% pure copper enamelled wire as per existing gauge including insulating material for transformer 0.750 MV to 1.6 MV complete all as specified and as directed by the Engineer-in-Charge.

(a) HV Side Coil

(b) LV Side Coil

M&L for taking out unserviceable core and limb and HV/LV winding of transformer and taking out burnt copper winding wire cleaning carefully and rewinding the same with new superior quality 99.99% pure copper enamelled wire as per existing gauge including insulating material for transformer 2 MV to 5.0MV complete all as specified and as directed by the Engineer-in-Charge.

(a) HV Side Coil

(b) LV Side Coil

S&F in repair fuse wire suitable for GOD at MRS and other locations of following capacity/size complete all as specified and as directed by the Engineer-in-Charge. :-

Supply, laying & testing XLPE insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with stranded aluminum conductor, 11000 volts grade, of size 185 sqmm, 3 core including taking down unsv one complete all as specified and as directed by the Engineer-in-Charge.

Supply, laying & testing XLPE insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with stranded aluminum conductor, 11000 volts grade, of size 120 sqmm, 3 core and including taking down unsv cable complete all as specified and as directed by the Engineer-in-Charge.

Supply, laying & testing XLPE insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with stranded aluminum conductor, 11000 volts grade, of size 95 sqmm, 3 core including taking down unsv cable complete all as specified and as directed by the Engineer-in-Charge.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation, laying of cable/pipe etc not exceeding 10 sqm on plan and getting out in Soft/disintegrated rock complete all as specified and as directed by the Engineer-in-Charge.

Excavating in trenches, not exceeding 1.5m wide and exceeding 1.5m but not exceeding 3.00m depth for foundation etc or for shaft, wells, cesspits, manholes, pier holes etc not exceeding 10 sqm on plan and n exc 1.5 m in depth and getting out in soft/ disintegrated rock ccomplete all as specified and as directed by the Engineer-in-Charge.

Returning, filling in, including, spreading, levelling, watering and well ramming excavated Soft/Disintegrated rock in layers complete all as specified and as directed by the Engineer-in-Charge.

Removing excavated Soft/Disintegrated rock to distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and as directed by the Engineer-in-Charge.

M&L for sand cushioning to underground PVC/XLPE cable with tibba sand and punning to provide required cover complete all as specified and as directed by the Engineer-in-Charge. Note :- For the purpose of payment only punned thickness will be measured

Supplying and laying Jodhpur stone quarry faced stone slab cover 25 to 30 cm in width, 50 to 60 cm long and 40 to 50 mm thick, laid dry and abutting each other with gap between adjacent slab not exceeding 10 mm over under ground cables for protection complete all as specified & directed .

Material and labour for cutting the existing bituminous road / hard standing to size not exceeding 45cm wide and depth not less than 45cm for passing of UG cable through GI pipe and making good the disturbed surface filled with excavated material and top 200mm depth with plain cement concrete 1:3:6, type C1 using 20mm graded aggregate complete all as specified and as directed by the Engineer-in-Charge..

S&F GI pipe light grade of dia 80 mm laying in road and along with poles for cable protection complete and including taking down old unsv pipe of 80mm dia complete all as specified and as directed by the Engineer-in-Charge.

M & L for cement concrete (1:3:6) type C-2 using 40mm grade stone aggregate for foundation of stay assembly struts or pole etc complete all as specified and as directed by the Engineer-in-Charge.

M & L for cement concrete (1:2:4) type B-1 using 20mm grade stone aggregate for coping around poles including necessary form work finishing even and smoth without using extra cement complete all as specified and as directed by the Engineer-in-Charge.

M & L for cement concrete (1:4:8) type D-2 using 40mm grade stone aggregate in foundation of PCC pole/struts as specified including necessary form work finishing even and smoth without using extra cement complete all as specified and as directed by the Engineer-in-Charge.

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 by the Engineer-in-Charge.

Material and labour for substation yard spreading levelling with 40 mm graded coarse aggregate / gravells laid approximately 75 mm thick layers near VCB/Transformer /2/4 pole structure and plateform etc complete all as specified and as directed by the Engineer-in-Charge.

Material and labour for substation yard spreading levelling with 20 mm graded coarse aggregate / gravells laid approximately 75 mm thick layers near VCB/Transformer /2/4 pole structure and plateform etc complete all as specified and as directed by the Engineer-in-Charge.

Cuttting / trimming of tree branches in close proximity to over head lines to maintain a clearance of 1.5 meters from the over head line to nearby trees complete all as specified and as directed by the Engineer-in-Charge. Note :- Only effected area of over head conductor shall be measured complete all as specified and as directed. .

Supply and fixing Vacuum Interrupter bottle type with brash, connecting parts suitable for 11 KV VCB Panel as per site requirement complete and including taking down old unsv vacuum interrupter bottle type with brash complete all as specified and as directed by the Engineer-in-Charge.

M&L for aluminium conductor steel reinforced (ACSR) for jumpering and including taking down unsv conductor complete all as specified and as directed by the Engineer-in-Charge.

M&L for cross arms bracings supports, clamps and back plates fabricated from structural steel sections incl nuts bolts washers welding, bending cold or hot, drilling holes for bolts in any shpae or size as indicated or directed and inclusive of one primer coat of red oxide zinc chrome primer and two coats of aluminium paint incl preparation of surfaces incl dismantling complete and including taking down old unsv cross arms complete all as specified and as directed by the Engineer-in-Charge.

M&L for painting tranformer complete by removing existing oil paint by scrapping and applying two coats of approved colour synthetic enamel paint (1st grade quality) over a coat of primer after preparation of surfaces including writing SM / MES numbers and date of oil tested etc. complete all as specified and as directed by the Engineer-in-Charge. for the following capacity:-

(a) Transformer of capacity 750 KVA to 1000 KVA, 33 KV/11 KV.

(b) Transformer of capacity 1600 KVA to 2000 KVA, 33 KV/11KV.

(c) Transformer of capacity 5000 KVA, 33 KV/11KV.

Supply and Fixing Battery Bank 110 Volt DC-55 Nos (2 Volt, 100 AH) Tubular maintenance free batteries, battery Bank and charger and taking old unsv Battery Bank with accessories and charger complete all as specified and directed.

S&F PVC insulated armoured copper control cable 1100 voltage grade of following size including taking down old cable complete all as specified and as directed by the Engineer-in-Charge.:-

(a) 2.5 Sqmm 2 Core

(b) 2.5 Sqmm 4 Core

(c) 2.5 Sqmm 6 Core

(d) 2.5 Sqmm 12 Core

(e) 2.5 Sqmm 16 Core

M &L steel tubular swaged poles and complete with cast iron / M.S base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-55 (11 mtrs long) including painting with two coats of aluminium paint over a coat of red oxide metal primer complete all as specified and directed by Engr-in-Charge. The pole shall conform to IS 2713:1980 and each component pipe shall be ISI marked and conform to IS 1161 and including taking down old unsv pole complete all as specified and as directed by the Engineer-in-Charge.

S&Fmild steel Chequered Plate, Square cut to required size for cable duct cover , inclusive of one primer coat of red oxide zinc chrome primer and two coats of black paint complete and including taking down old unsv plate complete all as specified and as directed by the Engineer-in-Charge.

Isolating 33 KV Bus System, temporery earth connection of BUS system removing old paint from surface of cross arms, channels, 2/4 pole structure by scraping , rubbing and making good surcace for painting and painting with two coats of synthetic aluminium paint on rusted pealed out surface after cleanng allcomplete all as specified and as directed by the Engineer-in-Charge. (Loc: 33/11 KV Yard-02 Nos)

M&L for finding cable fault with electronic fault detector in LT/HT UG cable of any size complete including earthwork and jointing cable complete all as specified and as directed by the Engineer-in-Charge.

S & F Polyfloor insulating rubber mat suitable for 11 KV Sub Station of Size 2mtrx1mtrx3mm thick ISI mark complete all as specified and as directed by the Engineer-in-Charge.

SHOBHIT BUILDERS (BID ID -3134238)

SHREE BHAGWATI ENTERPRISES (BID ID -3134178)

SHREE KARNI LIGHT HOUSE (BID ID -3140034)

M/s Rohit Construction Co. (BID ID -3134235)

B5BUILDING SOLUTIONS (BID ID -3134795)

Rasam Engg Co. (BID ID -3133294)