REPAIR/REPLACEMENT OF EXTERNAL ELECTRIC SUPPLY WORK, STREET LIGHT FITTING AND OTHER CONNECTED ITEMS AT DHARMUND UNDER AGE (I) BHALRA

Amount

Disconnecting and taking down existing security light/flood light fitting from 09 Mtr pole height of any make or any capacity for repairs or replacement of burnt/worn out accessories (surge protector, driver, cable etc) through ladder/motorised/manual system from GI braket on pole of any size and refixing the same after cleaning, general overhauling, repairing and making serviceable in its original position after making the same serviceable and testing complete all as directed. Note :- The new consumable items will be measured and paid seperately as under below :-

Supply only driver of any make or any model on existing LED street light luminaires of wattage 45 to 120 watt for LED street light fitting to match with the existing make and model complete all as specified and directed,

Supply only driver of any make or any model on existing LED flood light luminaire of wattage 60 to watt for LED street light fitting to match with the existing make and model complete all as specified and directed.

Supply only surge protector of any make or any model on existing LED street light luminaires of wattage 45 to 120 watt for LED street light fitting to match with existing make and model complete all as specified and directed.

Taking down high mast fitting from high mast structure through motorised system or through manual/ladder and checking the all fittings including cleaning the steel rope and carrying repairs as required and refixing lights in its original position complete all as specified and directed by Engr-in-charge. Note : Items required such as driver, surge protector etc shall be measured and paid for separately in repsective items).

Supply & fixing in repair of street light fitting of minimum 60 Watt LED made up of pressure die cast aluminum hosing with high power LED as lighting source and lens embedded PC cover having top opening separate driver compartment with IP 66 protection and impact resistance of IK07 with 10KV built-in surge protection device including taking down old unserviceable street light fitting all as specified and as directed.

Supply & fixing in repair of LED flood light luminaries of minimum 70 W, 230 volts, new generation energy saving & environmental friendly long life versatile pressure die-cast aluminium roadway luminaire, IP65 protection with high power LEDs as light source and electronic driver including making connection with PVC copper conductor of suitable size, complete all as specified & directed.

Supply & fixing in repair of LED flood light luminaries of minimum 120 W, 230 volts, new generation energy saving & environmental friendly long life versatile pressure die-cast aluminium roadway luminaire, IP65 protection with high power LEDs as light source and electronic driver including making connection with PVC copper conductor of suitable size, complete all as specified & directed.

Disconnecting defective out door/indoor transformers of capacity up to 250 KVA from HT/LT side, taking out complete transformer oil, storing the same in suitable container (to be arranged by the contractor) opening the top cover and lifting the core assembly by means of tripod and chain pulley block carefully to check its condition, refilling the transformer oil after complete dehydration/filtration (to be paid separately) and necessary repairs re fixing complete core assembly fixing the top cover and complete core assembly fixing the top cover and re-installation complete all as specified and directed. Note : (a) Lowering and taking down of transformer from two/four pole structure is included in the quoted rates. (b) In case of major repairs/replacement in transformer which can not be undertaken at site the transformer shall be shifted at civil workshop and the cost shall be paid separately under relevant items. (c) Dehydration/filteration of transformer oil and other necessary repairs shall be measured and paid separately under relevant item. Contractor shall bring the mechanic at site for first inspection of the transformer after that transformer shall be shifted at workshop complete all as directed by Engr-In-Charge.

Transporting to burnt out transformer for repair to civil workshop by arranging required transport required for shifting of transformer Strip opening of transformer and removing the top cover for repair, and taking out the burnt out core alongwith HT/LT coil (windings) assembling the core after replacement of HT/LT coils heating varnishing, testing and housing accessories in transformer body and connection up filling in dehydrated transformer oil and connection with existing electrical system HT/LT and commissioning complete on load of capacity not exceeding 250 KVA.(Transformer oil will be measured and paid separately).

M&L for rewinding with supper enamelled double paper covered copper wire for HV (11/0.433KV) winding having existing size and giving proper insulation and de-moisturizing before assembling the winding core and including primary testing, ratio testing, no load testing, core insulation testing and setting connection of tap changer including taking out unserviceable winding wire complete all as specified and as directed.

M&L for reconditioning of LT side coils by removing it from its postion carefully and refixing the same carefully by providing insulation material, packing and spacers etc and de-moisturizing before assembling and number of turning & weight to suit with existing coils including primary testing, ratio testing, no load testing, core insulation testing and setting connection of tap changer complete all as specified and directed by Engr-in-charge.

De-hydration/ filtration of transformer oil by hiring on line filtration plant to achieve di-electric strength not less than minimum 50 KV with 2.5 mm gap including following work services :- (a) Removal of all suspended particles such as dust, rust, scales, collided carbon oxidation sludge etc upto < 1 micron. (b) De-hydration of transformer oil under vaccum. (c) Circulation of heated oil and filling of treated oil in transformer tank. (d) Top up the transformer oil upto the level. NOTE : (i) Contractor shall use the vehicle mounted filtration plant with new suitable size heavy duty hose pipe. (ii) The transformer oil required for replacing/top up shall be measured and paid separately as "Supply only". (iii) Conducting field testing of di-electric strength of the transformer oil before and after filteration. (iv) Checking the megger/earth resistance values with battery operated megger of 5 KV.

M&L for Filling / topping of new transformer oil having dielectric strength not less than 60 KV complete including centrifuging of oil (if required) up to getting dielectric strength not less than 60 KV with 4 mm gap all as specified and directed by the Engineer-in-Charge.

Supply and fixing in repair/replacement of breather assembly of Transformer incl silica gel upto 250 KVA transformer as per existing make and type 500 Gm complete all as specified and as directed.

Supply and fixing in repairs of brass terminal stud 12 mm with nuts, check nut, oil seal and washer for HV side of transformer up to 250 KVA transformer complete all as specified and as directed.

Supply and fixing in repairs of brass terminal stud with nuts, check nut, oil seal and washer for LV side of transformer of any make (as per sample) up to 250 KVA transformer complete all as specified and as directed.

Supply and fixing in repairs of bushing of HV side as per existing size/Model of the capacity up to 250 KVA transformercomplete all as specified and as directed.

Supply and fixing in repairs of bushing of LV side as per existing size/Model of the capacity up to 250 KVA transformercomplete all as specified and as directed.

Supply & fixing in in repairs of switch air break, gang operated, triple pole, mechanically operated suitable for horizontal or vertical mounting, fixed type, mounted on insulator and steel frame with operating mechanism worked from ground level, provided with locking arrangement for operating handle, consisting of MS channel, HT post type insulator, contacts of copper alloy, high pressure, heavy duty contact assembly, operating rod of 25mm dia GI pipe medium grade, drop out expulsion assembly of phases fuses etc conforming to IS:1018 of 1972 with continuous current rating with 12 insulators of current rating upto 400 amps 11000 volts grade, complete all as specified & directed.

Supply & fixing in repairs of replacement aluminium conductor steel reinforced (ACSR) of any size for HT/LT overhead lines on steel tubular poles/PCC poles, stretching without kinks and bends including binding wire suitable cross section (but not less than 16 SWG), complete all as specified & directed.

M&L in repairs of Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint, complete all as specified & directed.

Material & labour for painting to existing steel tubular HT poles, 11 Mtr long including cross arms, channels, angle iron support, bracings, clamps etc. with one coat of aluminum paint superior quality of approved make on surfaces exposed to view and making 30cm wide strips (total 5 Nos) with white and black paint alternately on external surface above PCC benching including preparation of old painted surfaces by scraping etc complete and writing pole numbers. of 2 inches bold letters with black paint after painting, complete all as specified & directed.

Material & labour for painting to existing steel tubular LT poles, 09 Mtr long including cross arms, channels, angle iron support, bracings, clamps etc. with one coat of aluminum paint superior quality of approved make on surfaces exposed to view and making 30cm wide strips (total 5 Nos) with white and black paint alternately on external surface above PCC benching including preparation of old painted surfaces by scraping etc complete and writing pole numbers. of 2 inches bold letters with black paint after painting, complete all as specified & directed.

Supply & fixing in repair of lightening arrestor, expulsion type consisting of multiple spark gaps in series with one or more non linear resister to limit voltage surge on AC power circuit to interrupt power flow current suitable for outdoor installation and exposed direct to sun with ambient temperature below - 10 degree C to 50 degree C suitable for surge discharge capacity 65 KA, 11000 volts grade conformign to IS-4350 including all fittings, complete all as specified & directed.

M & L for complete repairing / Servicing of HT 11 KV Vaccum circuit breaker (VCB) after disconnecting of all incoming and outgoing connection, checking/finding of the defective spare/parts, removing of all moisture content with suitable grade chemical, replacement of rusted nuts,bolts and washer, replacement of all unserviceable post insulator and repair of all busbar joints and covered with HT insulation tape, painting of all internal surface where required and complete external surface as per existing colour and quality, replacemnt of all defective internal AC/DC circuit wiring, repair/servicing of breaker trolly including motorized operating mechanism, CT/PT, power pack and calibration of triping relays system and tripping mechanism for regulating the fault flow (Over Current, Earth Fault, Differential) in sequence from down streem to receiving Sub stn for accuracy and effective functioning of VCB complete all as specified and as directed. Note :- (i) Nuts , bolts, washer, painting, cleaning material, insulation tape, copper wire for circuit wiring and defective HT 11 KV 2 Amp fuse , carrier oiling greasing to charging spring, replacement of HRC fuse 110/220 volt 5 Amps setting of over current complete other minor items for repair of breaker shall be deemed in qouated rate. (ii) Replacement of major unserviceable spares/accessories shall be measured & paid separately under relevant items of this Schedule ‘A. (iii) During repair work/serviceing work carried out in VCB panel all the existing HT connection/HT cable connected with other VCB for continuous supply to the feeder. (iv) Service & calibration to be done by authorised service centre or OEM. (v) Calibration report shall be submitted in duplicate copy.

Supply, fixing and testing in repairs of Epoxy resin cost totaly enclosed dual core type Current transfomer (CT) for protection and measuring of system having ratio of 100/50 : 5 / 5 A , Burden-10VA, class-I, insulation level 12/28/75 KV, STC- 18.4 KA for 1 sec as per ISS-2705 and IEC-60044 including dismantling of old one complete all as specified and directed.

Supply only in repairs of spring charging motor suitable for fixing with 11 KV indoor type VCB panel complete all as specified and directed .

Supply only in repairs of battery charger suitable for charging to battery bank 12 volts 7 AH (02 Nos) complete all as specified and directed .

Supply only in repairs of space Heater 230 volts AC 60 watt for 11 KV HT VCB panel complete all as specifed and as directed.

Supply only in repairs of Neon indicator lamp LED type with high intensity 40-240 volts AC and 40-220 volts DC with holder complete all as specified and as directed.

M&L for searching fault location of HT/LT UG cable 11000/415 Volts laid in trenches/ducts with the help of electronic fault locating machine comprising of surge generator pulse, ECHO fault locator with frequency distance calculator etc incl transportation of machinery. Excavation in normal soil strata exposing the cable fault removal of deteriorated portion of the cable treating of cable of any size including disconnecting and re-fixing cables with lugs as per direction of Engineer-in-charge.

Supply , laying & testing XLPE insulated, armoured, heavy duty electric cable with stranded aluminium conductor, 11000 volts grade earthed , laid in trenches, sleeving through pipes or fixed on poles & walls or laid under floors including jointing with suitable size aluminium lugs complete of size 95 Sqmm 3 core nominal cross sectional area complete all as specified and directed as per IS-7098 (Part-I).

Supply and fix in repair HT Aeriel Bunched cable 11000 volts grade, stranded and compact aluminium phase conductor of size 3 core x 95 sq mm + 1 x 70 sq mm bare messenger conductor with aluminium alloy. The phase conductor shall be insulated with XLPE (Cross Liked Polyethylene) and confirms to IS : 6474-1971, insulation colour shall be black. Three power cables shall be suitably twisted around bare AAAC steel messenger. All as confirm to IS : 14255-1955 including suitable size of MS clamps, nuts, bolts and MS hooks to be fixed on existing pole for cable hanging complete all as specified and directed by Engr-in-charge.

Material & labour in repair/replacement of cable jointing kit for HT 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50-95 sqmm including testing and commissioning complete all as specified & directed.

M&L 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 armourend aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed including taking out old unserviceable.

Material & labour cable jointing kit for HT 11 KV grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for Single core XLPE aluminium conductor Aeriel Bunched (AB) cable of size 95 sqmm including testing and commissioning & taking down old unserviceable cable jointing kit, complete all as specified & directed.

M&L Cable jointing kit for 11 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for Single core XLPE aluminium conductor Aeriel Bunched (AB) cable of size 95 sqmm complete all as specified and directed including taking out old unserviceable.

Supply Laying, jointing with suitable thimble and cable gland, testing and commissioning or fixing in Wall or passing through pipe, 1100 volts grade heavy duty cable with XLPE insulated screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty ) with aluminium conductor cable of size 95 Sqmm 3.5 core, 1100 volts, grade complete all as specified and as directed. Taking down shall be measured and paid seperately under relevant items.

Supply Laying, jointing with suitable thimble and cable gland, testing and commissioning or fixing in Wall or passing through pipe, 1100 volts grade heavy duty cable with XLPE insulated screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty ) with aluminium conductor cable of size 50 Sqmm 3.5 core, 1100 volts, grade complete all as specified and as directed. Taking down shall be measured and paid seperately under relevant items.

Supply Laying, jointing with suitable thimble and cable gland, testing and commissioning or fixing in Wall or passing through pipe, 1100 volts grade heavy duty cable with XLPE insulated screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty ) with aluminium conductor cable of size 35 Sqmm 3.5 core, 1100 volts, grade complete all as specified and as directed. Taking down shall be measured and paid seperately under relevant items.

S&F in repair of connection for security light/red/green indication light with cable of size 1.5 sqmm x 3 core PVC insulated unsheathed FRLS copper cable through pole , complete all as specified and as directed.

Stretching/tightening of existing ACSR conductor of any size any number of conductors on HT/LT poles after loosening binding wire from insulators and removing spacers upto a level to maintain a permissible space between conductors after rebinding the conductor with insulator with GI wire, complete all as specified & directed.

Excavation in trenches not exc 1.5 meter wide & not exc 1.5 mtr in depth in any type of soil for foundation etc or for manholes, laying of pipe in any type of soil and getting out complete all as specified.

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

Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

M & L for dry sand cushioning to underground cables with 8cm thick before laying of cables and 15cm thick after laying and stretching of cable all as specified and directed. Note : Only puuned thickness shall be measured and paid.

M & L for Old size sub class ‘B’ bricks, laid in trenches across the length of cable as cable cover complete including taking out old unserviceable complete all as specified and directed.

Cutting existing road surfaces or hard standing 0.45 mtr depth and 0.3 mtr width (22 CM thick comprising bituminous topping) for laying of pipes/cables and making good the disturbed surfaces to match with existing complete all as specified and directed. Note : Rate quoted by the contractor is deemed to be inclusive of proving PCC 1:2:4 as required for making good the disturbed surface.

Taking out old unserviceable HT UG Cable, 11000 volts grade of any type any size by disconnecting the connection carefully from both the ends complete all as specified and directed.

Taking out old unserviceable LT UG Cable, 1100 volts grade of any type any size by disconnecting the connection carefully from both the ends complete all as specified and directed.

Supply & Fixing in repair including making connection testing and commissioning of new MCCB 3 Pole, 415 V, fixed type, 25 to 100 Amps with breaking capacity 16 KA complete all as specified and directed. Note: MCCB shall be suitable to fit in the existing panel board or exactly suitable to the existing frame size. In case only one particular make is procuring by the bidder necceasry alteration required to fix the same at no extra cost shall be done by the bidder.

All as per Srl item No 52 here-in-before but MCCB TP 125 Amps, 415 Volts, 16 KA, 50 Hz complete with extended terminals and PVC spreader complete all as specified and directed.

All as per Srl item No 52 here-in-before but adjustable type MCCB TP 400 Amps, 415 Volts, 36 KA, 50 Hz complete with extended terminals and PVC spreader complete all as specified and directed.

All as per Srl item No 52 here-in-before but adjustable type 4 Pole, 200 Amps, 415 V, 25 KA, 50 hz complete with extended terminals and PVC spreader complete all as specified and directed.

All as per Srl item No 52 here-in-before but adjustable type 4 Pole, 400 Amps, 415 V, 36 KA, 50 hz complete with extended terminals and PVC spreader complete all as specified and directed.

K S BUILDERS (BID ID -3476210)

Ish Engineers and Contractors (BID ID -3471185)

M/S J S ENGINEERS (BID ID -3478102)