RREPAIR/MAINTENANCE OF EXTERNAL ELECTRIC SERVICES HT AND LT CABLES, TRANSFORMER, PANEL BOARD, OVER HEAD LINES AND OTHER MISC WORK AT DIFFERENT LOCATION OF CHMARLENI AND BORGAD AF STN BORGAD.

Amount

Repair/Maintenance and complete overhauling ofof 11 KV HT VCB 630/800 Amp including opening, checking, cleaning with CTC, cleaning wiping of insulating component, incl primary & secondary current enjection test , spouts, busbars, supports, CT, PT, cleaning contact tips, cover the expossed portion of busbar with HT tape & heat shrinkable sleeves, spout insulators for visible crack, tightness of fasterners holding moving contacts, check and correct the buffer gap adjustment & mechanism settings, meters. Testing and calibration of all relays fitted in control panels from authorized testing team of the OEM, such as earth fault relays, over current relays fitted in HT 11 KV panels for its corrections & setting with main control panel relays , contractor shall submit testing and calibration report showing all set parameters.Testing, cleaning & overhauling of complete operating mechanism for smooth functioning, checking of control panel wiring for operation & protection for tripping & closing & rectifying the defects all equipments including Deoxidizing of all electrical contacts replacement unserviceable wiring with ferrule & lugs, reassembling & testing of complete complete all as specified and directed. Note:- Spare parts for VCB and calibration of relays will be measured and paid separately.

SUPPLY ONLY SPARES FOR SERIAL ITEM No 01.

Indicating VCB Lamps (RYB) LED type of Shape & Size as per existing complete all as specified and directed.

Push Button element with one NO / NC

PT Fuse 3.15 Amp for 11 KV VCB .

insulated VI Seprators

VCB Heater Single Ph, 230 V, AC inl wirng.

Digital Volt meter suitable for 11 KV VCB.

Digital Ampmeter suitable for 11 KV VCB.

Supply and fixing spring charging motor retrofit. Suitablefor HT VCB 11 KV complete all as specified and directed.

Supply and fix three phase over current & earth relay, Model- CGI 14N in CG or equvalent, with 3 phase O/C + E/F + High set, 50/51 RYBN, Numerical Relay, Lowest O.C-1s, Highest O/C-1hs, Lower D/F-0s, Highest E/F Ohs, including calibration of relay with existing system so that fault can be arrested in individual panel, all as specified and directed.

Material and labour for for maintenance & overhauling of 11 KV load break switch manual type including opening, checking, cleaning, wiping of insulating component, cleaning contact tips, cover the expossed portion of busbar with HT tape & heat shrinkable sleeves, incl replacement HRC type Fuse suitable for Load brake switch 11 KV incl testing of complete Panel all as specified and directed.

Material and labour for Onload filtration and dehydration of transformer oil by on load filtration plant machine to achive minimum 40 KV dielectric strength complete and testing the dielectric strength and contents of acid before and after filtration at Borgad top and Chamarleni of 11 KV / 440 V installations all as specified and directed.

Material and labour for Filling only new transformer oil for topping up or replacement of transformer oil in the OCB, Oil switch, transformers 11 KV / 440 V at different locations during the process of filtration, all as directed and specified.

Taking down carefully transformer at site and dismantling / Opening the same and taking out coil and core assemebly through reputed firm to be approved by GE and carried out minor repair such as as replacement of HV/LV Bushing, termination rod, nut bolts, gaskets etc and re-fixing in position including testing of present di-electric strength of transformer oil and re-assembleing the same complete all as directed by Engr in Charge up to 200 KVA transformer ( at Chamarleni/Borgad Top )

Supply only non metel Part- HV bushing complete with packing for transformer of capacity up to 200 KVA and for working pressure 11 KV complete all as directed and specified.

Supply of HT Bushing rod of suitable size for transformer of capacity up to 200 KVA

Supply only non metel Part- LV bushing complete with packing for transformer of capacity up to 200 KVA and for working pressure 11 KV complete all as specified and as directed.

Supply of LT Bushing rod of suitable size for transformer of capacity up to 200 KVA complete all as specified and as directed.

Supply only main gasket of transformer and other gasket set complete all as specified and as directed.

Material and labour super enameled copper winding wire for rewinding of LV/ HV side of transformer as per original gauge incuding insulating material such as cotton tape, packing and sleeves etc varnishing by vacuum impregnation and baking of coil core assembly for copper wound transformer complete all as specified and as directed. Note : The ratequoted shall be included of taking down unserviceable transformer and transporting from site (Borgad Top/Chamarleni) to civil work shop for repair by reputed firm and transporting the transformer back to site, complete all as specified and directed.

Material and labour for replacement of silica gel in breathers of transformers of various capacities including taking down of unserviceable silica gel complete all as specified and as directed.

Maintenance of GOD fixed on two/four pole structure including cleaning and greasing the all connected parts and replacement of HT jumper-3 nos , alligning of GOD and replacement of male and female brass contacts -3 set of 200 Amp incl all repair and maintenance of of GOD for smooth functioning complete all as specified and as directed.

Dismantling of old and unservicable cross arms and M&L for cross arms, bracings, supports, clamps and back plates fabricated from strucural steel sections including nuts, bolts, washers,welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated, with & inclusive of one coat red oxide primer & one under coat and one finishing coat of synthetic enamel paint after preperation of surfaces all as specified, complete all as specified and as directed.

Supply and fix in reapairs DO Fuse 100 Amp 11 KV complete with necessary connections/ jumpers with suitable ACSR conductor all as specified and as directed.

Material and labour for locating under ground cable fault (HT /LT) within 06 hrs including Sunday or any holiday using cable fault locator machine taking all necessary precautions all as specified and as directed. Note : (i) The quoted rate includes transportation, charging machine upto detecting fault at a time and fault should be immediately located after intimation from rep of GE office (ii) If fault not located by the contractor within specified time a recovery of an amount of Rs. 5000/- will be recovered per day.

Supply and fix jointing and testing in replacement HT cable jointing kit for 11 KV(earthed) grade cable heat shrink for end termination out door type joint complete with jointing matrial and accessaries suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and as directed.

Supply and fix jointing and testing in replacement HT cable jointing kit for 11 KV(earthed) grade cable heat shrink for end termination in door type joint complete with jointing matrial and accessaries suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and as directed.

Supply and fix jointing and testing in replacement HT cable jointing kit for 11 KV(earthed) grade cable heat shrink for straight through type joints complete with jointing matrial and accessaries suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and as directed.

Dismantling of old unserviceable HT concrete pole 11 mtr and removing the dismantling material from site up to 500 mtr complete all as specified and as directed .

Dismantling of old unserviceable ACSR (weasel type ) conductor of any size all as directed.

Dismantling of old unserviceable GI wire (4 mm ) of any size all as directed.

Dismantling old unserviceable insulators ( Disc / pin type ) any type any size all as specified and as directed.

Dismantling old unserviceable cross arm of MS channel or angle sections etc complete all as specified and as directed.

Material and labour for Painting of transformer 11KV/433V , Indoor/Outdoor type , with one Coat of Synthetic enamel paint over a coat of red oxide primer after cleaning , scraping , and filling of carities for out side complete including writing SM Nos on Transformer boday with letters with white synthetic enamelled paint complete all as specified and as directed. for 100 KVA to 200 KVA Capacity.

Supply and laying in trenchs or passing through pipe, fixed to pole or as indicated at site, commissioning and testing XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable (earthed) with stranded aluminium conductor,11000 volts, grade of size 3 core 95 Sqmm including taking out U/S HT Cable at Borgad Top.complete all as specified and as directed.

Supply and laying LT UG cable with XLPE insulated armoured heavy duty electric power cable with aluminium conductor 1100V grade 4 core cross sectional area 10 sqmm laid in trench/duct/floor or passing through pipe all as specified and as directed.

Supply and laying LT UG cable with XLPE insulated armoured heavy duty electric power cable with aluminium conductor 1100V grade 4 core cross sectional area 16 sqmm laid in trench/duct/floor or passing through pipe all as specified and as directed.

Supply and laying LT UG cable with XLPE insulated armoured heavy duty electric power cable with aluminium conductor 1100V grade 4 core cross sectional area 25 sqmm laid in trench/duct/floor or passing through pipe all as specified and as directed.

Supply and laying LT UG cable with XLPE insulated armoured heavy duty electric power cable with aluminium conductor 1100V grade 3.5 core cross sectional area 50 sqmm laid in trench/duct/floor or passing through pipe all as specified and as directed.

Excavation in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth for laying of cables and getting out in hard/dense soil complete all as specified and directed

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick each, in soil complete all as specified and directed.

Removing excavated soil to a distance not exceeding 50 meter and depositing where directed at a level not exceeding 1.50 meter above the starting point complete all as specified and directed

Supply and laying double wall corrugated (DWC) duct (dure guard) of size 38mm inner dia and 50mm outer dia as per IS 14930 part II as in LT UG cable protection including coupler, elbows, T joiints, Bends etc. and test report all as specified and directed Make: Dura-line/ Gemini/ Rex

Supply and laying double wall corrugated (DWC) duct (dure guard) of size 75 mm inner dia as per IS 14930 part II as in LT UG cable protection including coupler, elbows, T joiints, Bends etc. and test report all as specified and directed Make: Dura-line/ Gemini/ Rex

Material and labour for providing horizontal bore hole of dia upto 150 mm below road/hard standing surface for the lenngth upto 12 meter and inserting GI/PVC pipe into the bore hole as cable protection complete all as specified and as directed. Note :- Cable protection pipe shall be measured and paid separately under relevant item.

Material and labour for Preparation of old painted surfaces of steeltubular LT poles 9.0 Mtr long and painting with two coats of aluminium paint with alternate strip of blue paint at an interval of 1 feet from bottom of pole upto 6 feet height including existing cross arms/clamps/brackets etc also marking of pole numbers in white with black background rectunglar/eleiptical on pole complete all as specified and directed.

Supply and fix in replacement of 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 of size 25x3mm, bolt and nut approved size for HT Panels, 15x20cm size including taking out old unserviceable danger notice plate complete all as specified and directed

Supply and fix MCCB TP, thermal magnetic with enclosures, 415 V, 50 Hz, 16 KA, 63 Amps , complete all as specified and directed

Supply and fix MCCB TP, thermal magnetic with enclosures, 415 V, 50 Hz, 16 KA, 100Amps , complete all as specified and directed

Supply and fix MCCB TP, thermal magnetic with enclosures, 415 V, 50 Hz, 25 KA, 200 Amps , complete all as specified and directed

Supply and fix MCCB TP, thermal magnetic with enclosures, 415 V, 50 Hz, 25 KA, 250 Amps , completeall as specified and directed

Supply and fixing for Outdoor Floor Mounted cubical LT Feeder Piller Box , self supported, front & rear openable, double door ,hinged type with locking arrangement & sloping top canopy ,suitable ventilation on both side, with wire mesh, IP52 protection with Dust & Vermin proof etc made of 3.15 mm CRCA sheet duly powder coated , mounted/fixed on MS Angle iron 50X50X6 mm thick duly painted with black enamel synthetic paint over coat of red oxide zink chrome primer, duly grouted in PCC 1:3:6 Type C1 using foundation ,suitable size of MS Gland with gland plate, and aluminum lugs/ for all incoming and outgoing cables ,etc, complete all as directed including and accommodating with the following, at Logistic section Chamarleni.all as specified and directed (a) Incoming MCCB 200 Amp TPN 415 Volts 25KA - 01 Nos (b) Out goin MCCB 100 Amp TP 415 Volts 16KA - 02 Nos (c) Out goin MCB 63 Amp TPN 415 Volts 10KA - 02 Nos (d) Out goin MCB 40 Amp TPN 415 Volts 10KA - 02 Nos (e) Out goin MCB 32 Amp SPN 230 Volts 10KA - 02 Nos (f) Out goin lamps LED type for RYB - 03 Nos (g) Multi function meter for measuring Voltage, Amp,Hz etc.- 01 No

Maintainance of Automatic power Factor Controlling Panel at ( Borgad Top and Chamarleni ) by Cleaning, Rewiring, Replacement of components like Capacitors, Contactors, MCB/MCCB, APFC Controller/ Relays , Indicating lamps, Instruments Push Buttons, switches, wires cable termination etc. And demo of working Panel with proper relay setting & loadwise capacitor switching at chamarleni all as specified and directed Note:- Spare parts for Automatic power Factor Controlling Panel will be measured and paid separately.

SUPPLY ONLY SPARES FOR SERIAL ITEM No 49.

APFC Relay 12 step ,440 V, 5 A as per sample Make L&T -ETACONM008R+ETACONEXP2R+ETACONEXP3R or equvalent in Ebcos/seimens

Current Transformer with CT ratio 100/5, as per sample.

Power Contactor , 3 Phase 1No+0NC suitable for 3 KVAR Capacitor

Power Contactor , 3 Phase 1No+0NC suitable for 5 KVAR Capacitor

Power Contactor , 3 Phase 1No+0NC suitable for 10 KVAR Capacitor

Capacitor Heavy duty Cylindrical type / Box Type ( 1 KVAR ), 440 Volt, 50 Hz as required at existing Panel .

Capacitor Heavy duty Cylindrical type / Box Type ( 2 KVAR ), 440 Volt, 50 Hz as required at existing Panel .

Capacitor Heavy duty Cylindrical type / Box Type ( 3 KVAR ), 440 Volt, 50 Hz as required at existing Panel .

Capacitor Heavy duty Cylindrical type / Box Type ( 4 KVAR ), 440 Volt, 50 Hz as required at existing Panel .

Capacitor Heavy duty Cylindrical type / Box Type ( 5 KVAR ), 440 Volt, 50 Hz as required at existing Panel .

Capacitor Heavy duty Cylindrical type / Box Type ( 7.5 KVAR ), 440 Volt, 50 Hz as required at existing Panel .

Material and labour for tree branches cutting around HT line at Borgad Top including all T&P required and considering all saftey measures to carry out work upto ht 11 mtrs of HT Line and taking proper shut down etc including disposal of cut material not more than 50 mtr distance.

Re-stringing and stretching of ACSR conductor of HT line ( 3 Nos of weasel conductor )after dismantling old winding from insulator in position up to permisible sag and re winding on insulators with new winding wire completeall as specified and directed. Note : One RM/span is measured as one RM span of 3 Nos conductors.

Material and labour for prepration of old painted surfaces of steel tubular poles HT 11.00 Mtr long & painting two coats of aluminium paint with alternate strip of blue paint at an interval of 1 feet from bottom of pole upto 6 feet height, including existing cross arm/angle iron/clamps/brackets etc & marking of pole numbers in white on black background complete all as specified and directed.

Material and labour for prividing sand cushioning/ filling (river sand) in trenches, for a thickness of 8 cm below the cable and 15 cm above the cable and punned down to a total thickness of 18 cm complete all as specified and directed.

Supply and fixing un-reinforced precast concrete cable covers class HV, type 1 flat of size 300 x 180 x 40 mm complete all as specified and directed.

Note : The amount against Schedule of Credit on Page No. 34 shall be deducted from the total amount quoted against Sch 'A' while deriving lum Sum for Acceptance.

SHRI SULAI ELECTRICALS

Datar Electrical and Engg Services