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| 1 | Material and labour for disconnection of all HT/LT connection of the defective distribution transformer 11/0.433 KV out door / indoor of any make taking down / out from plinth / pole / platform with the help of crane and transporting the same carefully to workshop for repair/rewinding and taking back after repair to its existing position, upto 315 KVA and repairing of tank body, denting/ painting of full body after preparation and applying 2 coats of anti corrosive synthetic enamel paint over 2 coats of zinc chromate primer on body by using spary gun and compressor to transformer, re-assembling of transfomer, testing of copper loss, iron loss, core loss, insulation test of all HT/LT windings, topping up of transformer, testing of di-electric strength of transformer oil and achieving upto 40MV to 60MV complete all as specified and directed.Note:- (i) The rate quoted is deemed to be inclusive of necessaryTesting/ Painting/ Crane / vehicle charges for shifting and installation of the transformer.(ii) The items covered shall be executed immediately during the break down period and the work will be executed as directed by Engr-in-Charge.(ii)All the materials such as Transformer Oil, Copper winding wire, insulating papers, core plates, assembling accessories etc are mesured and paid saperetely in relevent item. |
| 2 | Material and labour for making LT/HT coil suitable gauge of super enamelled copper solid conductor wound in the shape of helical/disc/cylindrical/crossover or as per existing to generate maximum MMF and insulation of winding wrapped with kraft paper/press board, cotton insulating taps and insulating materials shall be of Class A type to withstand 105 degree celicius temperature,including making of coil as required of upto 315 KVA capacity of transformer complete all as specified and directed. |
| 3 | Material and labour for opening of the 11 KV / 0.433 KV transformer up to 315 KVA by removing the inspection cover / top cover, decanning of the transformer oil up to the required level for replacement of LT/HT bush complete from the shell and renewal for burnt out LT/HT bush to avoid leakage of oil refilling back to existing oil into the transformer complete testing & commissioning complete all as specified and directed. Note :- HT/LT bush shall be measured and paid separately under relevant item as supply only. |
| 4 | Supply only of HT bushing including metal parts and washer madeM12 type complete for any make of plinth/pole mounted transformer of 100 to 315 KVA capacity complete all as specified and directed. |
| 5 | Supply only of LT rod / studs made of brass with nut and washers fittings etc as per size and shape of originalof 100 to 315 KVA complete all as specified and directed. |
| 6 | Supply and fix in repair rubber cork sheet gasket complete kit for transformer top cover of capacity 100KVA to 315KVA of existing size, shape and thickness complete all as specified and directed. |
| 7 | Supply and fix in repair cable jointing kit for 11 KV (Earthed)grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed. |
| 8 | Supply and fix in repair cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed. |
| 9 | Supply and fix in repair cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed. |
| 10 | Supply and fix in repair Eletrical Insulation Mat as per IS-15652/2006 code of Size 1 metre x 2 metres x 2.5mm thick, Grip Pattern Blend of Synthetic polymers material, Sock proof, Colors : Black/Blue, Class B (Suitable for upto 11 KV) complete all as specified and directed.Note- Test report and warranty of 2 years shall be submitted before payment |
| 11 | Supply and installation of HT 11 KV outdoor gang operated air-break switch suitable for horizontal or vertical mounting with drop out fuse having 12 insulators of rating upto 200 Amps including taking down old unserviceable GOD complete all as specified and directed. |
| 12 | Supply and fix in repair Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo Amp 11000 Volt complete all as specified and directed. |
| 13 | Material and labour for Servicing / Greasing of HT Switch air break ( GOD) 11 KV TP with replacement of Corroded nut Bolts Male Female contact, ACSR Jumpers, making alignment of operating Mechanism for Proper ON / OFF operationof GOD and male contact including greasing complete all as specified and directed. Note- Male Female contact shall be measured & paid separetely under respective items. |
| 14 | Supply only Male and Female contact 400A suitable for 11 KV Air Break switch complete all as specified and directed. |
| 15 | Supply and fix in repair MS Channel/ Angle/Cross arms \"C\" type, dimension and thickness as per existing fitted at site including making hole for clamping arrangements, drilling holes in any dia at any length, welding fabrication,, bending including all kind of nuts/bolts/washers and MS clamps of 5 mm thick and not less than 5 cm width suitable for mounting/fixing MS \"C\" Channels on 4 pole/3 pole/2 pole or HT/LT poles including painting of complete structure including existing one by applying two coats of aluminium paint over a coat of metalic primer including preparation of the pole surfaces complete all as specified and directed. |
| 16 | Material and labour for cement concrete (1:3:6) type C1 using 20 mm graded stone aggregate in coping of poles including necessary formwork complete all as specified and directed. |
| 17 | Material and labour for cement concrete (1:4:8) type D2 using using 40 mm graded stone aggregate in foundation, filling and mass concrete complete all as specified and directed. |
| 18 | Removal of foreign material /vegetation from yard and depositing a side for 2/4 pole structure yard approx 1000 Sqmfor filling of sand layer in yard complete all as specified and directed.Note- Sand shall be paid seperately under relevent item. |
| 19 | Supply and spread graded stone aggregate 40 mm in structure yard of 2/4 poles complete all as specified and directed. |
| 20 | Supply and spread graded stone aggregate 20 mm in structure yard of 2/4 poles complete all as specified and directed. |
| 21 | Dehydration including filtration cleaning of transformer oil in transformer indoor / outdoor type at different location DMRL area by contrifusion / machine having minimum capacity 1000 to 30000 ltrs / hrs including testing oil before and after dehydration for each anddi-electric strength not less than 40MV in 2.5 gap complete all as specified and directed. |
| 22 | Supply and topping up of new transformer oil having di-electric strength not less than 60MV complete all as specified and directed. |
| 23 | Supply and fix in repair silica gel alongwith breather assembly of existing size of transformer capacity 100KVA to 315KVA including minor repair works in breather assembly, if required, complete all as specified and directed. |
| 24 | Material and labour for complete removal of existing paint of steel and iron surfaces after scrapping thoroughly the existing rust / dirt / dust and corroded paint of HT Steel Tubular Two pole structure including cross arms, MS channels, clamps and applying two coats aluminium paint over a coat of red oxide primer including preperation of surface complete all as specified and directed. |
| 25 | Material and labour for complete removal of existing paint of steel and iron surfaces after scrapping thoroughly the existing rust / dirt / dust and corroded paint of HT Steel Tubular Four pole structure including cross arms, MS channels, clamps and applying two coats aluminium paint over a coat of red oxide primer including preperation of surface complete all as specified and directed. |
| 26 | Material and labour for ACSR conductor, proper jointing with suitable clamps and termination with the help of suitable lugs in GODs, Drop Out units, insulators and cable end terminations etc of weasel with permissible sag as per IS rules etc including taking down old unserviceable ACSR conductor of any type and size complete all as specified and directed. |
| 27 | Supply and fix in repair Disc type insulator, porcelain, vitreous 145mm high and 255 mm dia ball and socket type, white, brown or green single disc assembly for tension with tension clamps for couductor, working pressure 11000 Volt, complete all as specified anddirected. |
| 28 | Material and labour in repair Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and onegalvanisedironnut 150mm height, 150mm dia for 11000 volts grade, complete all as specified and directed. |
| 29 | Material and labour for disconnecting and taking out existing HT 11 KV VCBs of any make from housing and testing ( IR value, Ratio test, Polarity test) and connection verification of 11 KVCurrent transformer( Set of three) by PRIMARY CURRENT INJECTION KIT, testing and calibration of relay( set of two over current and one earth fault) by SECONDARY CURRENT INJECTION KIT includingall other functional tests of the VCB, C&R panel and CTs, PTs complete all as specified and directed.[Note: -(i) Contractor shall be liable for arrangement of transportation.(ii) Contractor has to arrange suitable technician after getting shutdown permission from this office, atleast one week through proper channel. |
| 30 | Material and labour for repair and maint of dismantling of defective VCB breaker upto 630 Amps complete removing from enclosure and after checking & testing of relay and mechanism refixed after complete in serviceable condition complete all as specified and directed. |
| 31 | Material and labour for servicing of 11 KV up to 630 Amps VCB breakers of any make replacement of unserviceable of spare parts including repalcement of roof bushing, checking of mechanism fixed and moving contacts, removing of carbon depositson fixed and moving contacts, checking of of control wiring, tripping circuit wiring, testing of CT, PT insulation resistance values and testing of operation manual and remote complete all as specified and directed.Note :Spares parts shall be measured paid separately under respective items as supply only. |
| 32 | Supply only copper tripping coil and closing coil 24/30V DC or 110V DC or as per existing voltage for 11 KV VCB complete all as specified and directed. |
| 33 | Supply only indicator lamp LED type, 30/110/220 volt DC (red / yellow/ blue) for each Phase complete all as specified and directed. |
| 34 | Supply only spring charging motor for 11KV VCB breaker complete all as specified and directed. |
| 35 | Supply only motor gear box for 11KV VCB breaker complete all as specified and directed. |
| 36 | Supply only ratchet wheel with Key & set of Powls with Pins of 11KV VCB breaker complete all as specified and directed. |
| 37 | Supply only trip catch assembly of 11KV VCB breaker complete all as specified and directed. |
| 38 | Supply only 11 KV pole unit assembly 11 KV, as per exisiting sample terminal plate, 4L, round shape -6 holes, VI type of 11KV VCB breaker complete all as specified and directed. |
| 39 | Supply only Local/ Remote selector switch of 11KV VCB breaker complete all as specified and directed. |
| 40 | Supply only rack in Rack Out handle of 11KV VCB breaker complete all as specified and directed. |
| 41 | Supply and fix in repair three phase Ammeter square type digital havingCT ration 50/5 of and current rating 0-50 amps and selector switch for panel complete all as specified and directed. |
| 42 | Supply and fix in repair three phase Voltmeter square type digital ofsize 96mm x 96mm of capacity 0 to 15 KV PT Ratio 11KV/110 Voltfor panel complete all as specified and directed. |
| 43 | Supply, installation, testing and commissioning ofMicro processor based relay IDMT type (02 O/C + 01 EF)for 11 KV VCB panel, rating 5 Amps, Auxiliary supply 20-110 Volt DC including taking down existing micro processor based relay complete all as specified and directed. Note: -(i) Testing of all kind of faults with minimum and maximum fault level shall be carried at site.(ii) Contractor has to arrange primary and secondary current injecting device alongwith expertised technician at his own cost. |
| 44 | Supply and fix in repair HT 11KV VCB resin & copper bound bus bar spout 3 phase, Industrial grade complete assembly, as per existing model / size, complete all as specified and directed. |
| 45 | Supply and fix in repair VCB Bus bar support insulator 11KV grade red colour with complete assembly, complete all as specified and directed. |
| 46 | Excavation in trenches in soft/loose soil not exceeding 1.5 m wide and not exceeding 1.5m in depth,n.exc 10 sqm on plan, for foundation or for laying of cable and getting out complete all as specified and directed . |
| 47 | Returning, filling in, including spreading, leveling, watering and well ramming in layers n.exc 25cm as in soft loose soil complete all as specified and directed. |
| 48 | Removing excavated soil to a distance n.exc 50m and depositing where directed at a level not exc1.5 m above the starting point complete all as specified and directed. |
| 49 | Material and labour for sand cushioning with clean and dry river sand for protection of XLPE UG cable with approved sand of uniform thickness. laid dry, filling in trenches and punning down in proper required layers or in transformer yard/two pole structure complete all as specified anddirected. Note:- Punned down thickness shall be measured for payment. |
| 50 | Materials and labour for brick protection cover to underground cables with sub class ‘B’ of size 23 X 11.5 X 7.5 cm, (locally available best quality), laid dry and flat abutting each other with gaps not exceeding 10mm complete all as specified and directed. |
| 51 | Supply and laying un-reinforced precast cement concretecablecover class HV, Type 1,flat,size 300mmx 180mm x 40mm complete all as specified and directed. |
| 52 | Supply, laying, connecting and testing XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts grade, of size 95 sq mm 3 core, (earth grade) confirming to IS-7098 (Part-II) laid through in trenches with brass compression cable gland, terminal lugs, etc including taking out old existing unserviceable cable complete all as specified and directed.Note : Earth work, brick protection and sand cushioning shall be measured and paid separately under respective item. |
| 53 | Supply, laying, connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty with stranded aluminum conductor)of size 150 Sqmm, 3.5 core, 1100 Volts, confirming to IS-7098 (Part-I) laid through duct/ pipe / in trenches etc. with brass compression cable gland, terminal lugs, etc including taking out old existing unserviceable cable complete all as specified and directed.Note : Earth work, brick protection and sand cushioning and GI Pipe shall be measured and paid separately under respective item. |
| 54 | All as per Item No. 53.00 above, but of size 70 sqmm 3.5 core and -ditto-. |
| 55 | All as per Item No. 53.00 above, but of size 50 sqmm 3.5 core and -ditto-. |
| 56 | All as per Item No. 53.00 above, but of size 35 sqmm 3.5core and -ditto-. |
| 57 | Supply and fix in repair MCCB 4 pole, 415 Volts, 63 Amps with breaking capacity 25 KA (adjustable thermal and magnetic release setting) complete all as specified and directed. |
| 58 | Supply and fix in repair MCCB 4 pole, 415 Volts, 100 Amps with breaking capacity 25 KA (adjustable thermal and magnetic release setting) complete all as specified and directed. |
| 59 | Supply and fix in repair MCCB 4 pole, 415 Volts, 160 Amps with breaking capacity 25 KA (adjustable thermal and magnetic release setting) complete all as specified and directed. |
| 60 | Supply and fix in repair MCCB 4 pole, 415 Volts, 200 Amps with breaking capacity 36 KA (adjustable thermal and magnetic release setting) complete all as specified and directed. |
| 61 | Supply and fix in repair MCCB 4 pole, 415 Volts, 400 Amps with breaking capacity 36 KA (adjustable thermal and magnetic release setting) complete all as specified and directed. |
| 62 | Material and labour for cutting / excavating the road/hard standing (hard rock) for the laying of cable crossing pipe complete all as specified and directed. |
| 63 | Material and labour for PCC (1:3:6) type C-2 (using 40 mm graded stone aggregate) as in foundations, filling and mass concrete complete all as specified and directed. |
| 64 | Supply and fix in repair GI tubing of size 50 mm bore, light grade, with all fittingsfor protection of cables, to cross under road, hard standing, pavements etc and making good the disturb surfaces complete all as specified and directed. |
| 65 | Material and labour for complete removal of existing paint of steel and iron surfaces of LT panel board, feeder pillar box and AMF panel board / APFC panel etc over 10cm width or girth and applying two coats of anti corrosive synthetic enamel paint over one coats of metallic zinc chrome primer including preperation of surface complete all as specified and directed. |
| 66 | Supply and fix power pack of AC input 230V and output DC 24V - 110 Volt complete with weather proof enclosure, connecting cables, fixing accessories, inbuilt battery for 4 hr backup to operate relay and VCB charging mechanism complete all as specified and directed. |
| 67 | Material and labour for complete disconnecting APFC panelfrom all incoming/outgong connection of any capacity, checking the serviceability of all components i.eexisting capacitors, contactors, MCB\"s, indicator lights-03Nos, including replacement of burnt out PVC insulated copper wire- 40RM, copper thimble - 08 Nos, MCB\"s SPN \"C\" series (6-25Amp) - 02 Nos andre-connect the same after thoroughly clean including testing complete all as specified and directed. |
| 68 | Supply installation, commissioning and testing including providing all necessary electrical connection, LT feeder panel board of size(CPRI Approved), outdoor type, double door,factory made out of3.15 mm thick MS sheet of size 1.5 m x 1.3 m x 0.4 m deep having hinge opening arrangement in front and back side and bottom frame made out of angle iron of size 40x40x5mm thick and 04 Nos legs 0.45 meter length with cable entry and exit circular hole with cable gland & gasket at bottom complete RYB PVC colour coated heat shrink sleeves aluminium bus bar of capacity 400 Amp with inslulator supported including painting to all internal and external exposed steel surfaces with powder coating paint (7 stage process) with duly fixed in ground with necessary PCC foundation (1:2:4) type B1 upto a height of 0.5 meter from ground level with danger notice plate of 1.6mm thick mild steel sheet, vitereous enamelled (white), with letters, figures and conventional skull and bones in signal red colour, fixing lugs, bolts, screws etc including necessary excavation work for taking out cable loop and refilling the trenches and comprising of the following accessories:- Incoming- (a) Onload manual change over 250Amps, 4 pole 415V,(open execution type) - 01 No. Contd... |
| 69 | Outgoing-(a) MCCB 200A, 415 Volts 4 pole, 25 KA (adjustable thermal and magnetic release setting) with rotary handle & both end spreader link - 01 No.(b) MCCB 160, 415 Volts 4 pole, 25 KA (adjustable thermal and magnetic release setting) with rotary handle & both end spreader link - 02 Nos.(c) MCCB 100, 415 Volts 4 pole, 25 KA (adjustable thermal and magnetic release setting) with rotary handle & both end spreader link - 01 No.(d) Phase Indicating lamp (neon) LED type (set of three Red, Yello & Blue)- 01 Set.(e) 3 Phase Digital Ammeter-01 No including CTs 250/5A-03 Nos and Voltmeter for protection/ controlling MCB 6 Amps SP 10 KA-03 Nos- 01 Set.including taking down old unserviceable existing panel complete all as specified and directed. |
| 70 | Material and labour for dismantling and shifting of indoor/outdoor type LT Panel board of ( approx size min 1.2 m x 1.00 m x 0.5 mandmax2.0 m x 1.5 m x 0.6 m)with all accessories after disconection ofoutgoing & incomming cables, earth strips etc. and taking away from existing location andre-installation on the P.C.C./ brick platform duly grouted in the new platform constructed within 15 meter from the existing location and reconnection of all outgoing and incomming cables complete all as specified and directed.Note:- The excavation, PCC for platform of panel board shall be measured and paid seperately under respective items. |
| 71 | Supply and fix tamper proof intelligent power factor controller with digital multi function meter display of capacity 8 Step440 volt, 3 phase 50 Hz. complete all as specified and directed. |
| 72 | Supply and fix in repair HDPE pipe of 150mm dia, PN 10, heavy grade, fixed on 2 pole/4 pole structure for cable protection etc. complete all as specified and directed. |
| 73 | Material and labour for cleaning of HT/LT Electric supply installation by spraying of weeds herbicide for kill unwanted vegetation around near and around electrical power house installation, around all LT panel boards and feeder pillar boxes, cutting grass, removing unwanted bushes, removing debris etc and making good of undulated ground by filling fresh soil and levelling the area to existing ground level, removing unwanted debris from the premises at a distance above 50m from site complete all as specified and directed. Note: -(i) Locations - (a)Jaffarpore, approx area - 800 SQM. (b)Kancharapara AF Camp, approx area - 200 SQM(c)LOS Dum Dum AF Camp, approx area - 200 SQM(ii) In case of damage to any existing assets such as UG cables, Panel board or any type of instruments, contractor shall be liable to make good as per the existing without any extra cost. |
| 74 | Material and labour for mannual meggering of HT/LT cable for checking of fault for fault rectification for any size any location after disconnection of cable from both side including relooping and relaying and refixing the same after fault rectification complete all as specified and directed. |
| 75 | Material and labour for HT/LT cable fault High voltage cable fault locator machine for meggering of cable and check on any length in any route laid on ground inclding labour charges for excavation of cable as required for faulty cable and cutting, jointing of cable at any site condititon complete all as specified and directed.Note :-(i) Contractor should provide emergency service as per fault condition, where as any failure by the contrator for providing necessary support recovery of Rs. 5000/ hours shall be considered. (ii) Contractor shall submitted test report after completion of the job as directed by Engr in- charge(iii) HT/LT joints shall be paid separetely on relevent item. |
| 76 | Material and labour for cutting and trimming trees branches any girth and any size touching to Two/4 pole and clearing the distance 1.5 meter length booth side of OH line with in a gap of span 30 meters each disposing the same for clearing the site complete all as specified and directed. |
