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| 1 | Strip opening of step down transformer of capacity 100 to 200 KVA, indoor /outdoor type of any make after unscrewing nuts & bolts, screws and connected, dismantling carefully connected acesories and removing primary and secondary terminals, top cover, conservator tank, temp gauge,breather,neutral earth strips and draining out transformer oil to the required level and storing carefully in cleaned containers ( to be arranged by contractor) etc. for replacement of defective parts such as replacement of leaking gaskets, replacement of worn out/burnt out studs, checking and cleaning of contacts of tap changer and re-assembling the transformer after replacing the defective parts/repair complete all as specified and directed by Eng-in-Charge |
| 2 | Notes : (i) Payment of defective parts to be replaced shall be measured and paid for separately under respective item of this schedule.(ii) The cost for replacement of packing material such as 5 mm thick rubberised cork sheet top gasket, insulator’s gasket shall deem to be included in the unit rate quoted by the contractor against this item(iii) The repair/strip opening of transformers shall be carried out at site of its installation without taking down/removal of transformer from the site of installation. |
| 3 | All as per item No 1.00 & 1.01 here in before but transformer of capacity 250 KVA and up to 750 KVA complete all as specified and directed |
| 4 | Disconnecting the electric supply, removing the HT and LT cable connections and taking out the transformer of capacity up to 750 KVA from platform, lifting the transformer with suitable Crane, loading into the goods carrier and shifting the transformer to an approved factory (workshop) for repairs and transporting back installation in its original location including connection of HT and LT cable connections all as directed by Eng-in-charge.Note:-Repairs to transformer and testing will be measured and paid for separately. |
| 5 | M&L for draining out the transformer oil, removing the inspection cover, lifting the core with suitable crane and removing the winding from the core replacing the unserviceable insulation of LV coil, HV coil and rewinding the unserviceable HV, LV coil turns with new electrolytic copper conductor, drying of core and winding in the oven upto required IR values, assembling the core with new insulation, replace the unserviceable LT, HT bushing washers, oil seal, gasket of inspection cover with new ones, conduct all testing, commissioning complete upto 100 to 200 KVA Transformer all as directed by Eng-in-charge.Note:- HT/LT bush, transformer oil, LV, HV coils, inspection cover gasket and testing of transformer will be measured and paid separately under relevent items. |
| 6 | All as per item No- 4.00 above but of capacity 250 KVA to 750 KVA |
| 7 | M&L for making LT coil insulation with required gauge of craft paper cotton tape as per specification of old transformer of capacity upto 100 to 750 KVA complete all as directed by Eng-in-charge. |
| 8 | M&L for making HT coil insulation with required gauge of craft paper cotton tape as per specification of old transformer of capacity upto 100 to 750 KVA complete all as directed by Eng-in-charge. |
| 9 | M&L for making HT/ LT coil insulation with supper enamelled copper wire of required gauge as per specification of old transformers capacity complete all as specified and directed by Eng-in -charge. |
| 10 | M&L for conducting the folowing tests after repairs of transformers capacity upto 750 KVA including submitting the test report.(a) IR values of HV to LV, HV to Earth and LV to Earth.(b) Winding resistance(c) Radio test(d) No-load test(e) Short circuit test(f) Dielectric strength of oil(g) transformer tap switch positionsNote:- Contractor shall arrange all measuring instruments/ equipments for testing of transformer. |
| 11 | Filtration/Dehydration of transformer oil of transformers installed at Dronachal Campus Sub station to achieve die electric strength 60 KV at 2.5 mm gap gap as per relevant IS with portable filtration plant, testing of the oil for die electric strength, break down voltage before filtration and after filtration complete all as specified and directed by Eng-in-Charge. (MRS Sub Station)Note : (All types of T&P required for filtration of transformer oil to be provided by the contractor). |
| 12 | Supply and topping up fresh transformer oil for die electric strength of 60 KVA at 2.5 mm gap conforming to IS -335/1993 in the conservator tank/body tank of the transformer at various locations of Dronachal campus sub station complete all as directedNote :New oil shall be supplied in factory sealed container only.Make of oil Savita/ power oil/ Indian Oil |
| 13 | Taking out old unserviceable defective bushings from transformers and Supply and fix porcelain HT bushing with brass studs, nuts and washers connecting to winding, testing and commissioning of transformer 100 KVA to 750 KVA capacity complete all as directed . |
| 14 | Taking out old unserviceable defective LT bushings from transformers and Supply and fix porcelain bushing with brass studs, nuts and washers connecting to winding, testing and commissioning of transformer 100 KVA to 750 KVA capacity complete all as directed . |
| 15 | Taking out old unserviceable drain cocks from the transformers and Supply and fix new gun metal gate valve of following size bore along with brass/ gun metal dummy cap with rubbber washers as required at site complete all as directed |
| 16 | 50 mm |
| 17 | 25 mm |
| 18 | Supply and replace in repair pressure release valve suitable for transformer of size upto 750 KVA installed in Dronachal sub station complete all as specified and directed |
| 19 | Taking down the defective air breathers from the transformers, supply and fix new breathers with flange type 1/2 Kg bottle suitable for step down transformers of any make and capacity ranging from 100 to 750 KVA including filling of new silica gel in breathers complete all as specified and directed. |
| 20 | Supply and replace silica gel into the breather of transformers complete all as specified and directed |
| 21 | Supply only set of top cover gasket for transformer of capacity from 100 KVA to 750 KVA all as specified by Engr-in-charge. |
| 22 | Supply and replace 32mm x 6 mm GI strip as in earth continuity conductor fixed to wall or pole or recess or cheses or burried in ground or drawn in conduit pipe or any other indicated situation for loop earthing etc as required all as directed |
| 23 | M & L for preparation of old painted surfaces of distribution transformers of capacity 100 KVA to 160 KVA including removing oilly and greasy spots and applying one coats of synthetic enamel paint including white wash to transformer foundation plinth and lettering with white paint as MES NO/SM No, capacity, year of installation, serial No and Make etc over coat on black paint complete all as specified and directed. |
| 24 | All as per item No 20.00 here in before but transformer of capacity exceeding 200 KVA but not exceeding 750KVA complete all as specified and directed. |
| 25 | Taking down unserviceable PG clamp of any type & size and supply and fix PG clamp of suitable size of 33/11 KV substation including electrical connection complete all as directed by Engr-in-charge |
| 26 | M&L for cable jointing kit for 11000 V (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 to 95 Sqmm complete all as specified and directed. |
| 27 | M&L for cable jointing kit for 11000 V (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 120 to 185 Sqmm complete all as specified and directed. |
| 28 | M&L for cable jointing kit for 11000 V (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 240 to 300 Sqmm complete all as specified and directed. |
| 29 | Supply and laying of terminal box made of SA 40405 angle iron and 2mm thick MS sheet including removable cover with required holes on flange to fix at body of transformer and removable cover and fixing with new cork sheet gasket with nuts bolts and washers including one coat of synthetic enamel paint as under coat and one as finishing coast to both side of box complete all as specifiea d and directed. |
| 30 | M&L for plain cement concrete 1:3:6 type C-2 using 40mm graded stone aggregate in foundtion of pole/stay assembly ,mass concrete.etc including necessary form work , all as specified and directed. |
| 31 | M&L Cement Concrete (1:4:8) type D-2 (40mm Graded Stone Aggregate) as Lean Concrete, Bed Concrete in Foundation of Poles, etc., including Formwork (as required), complete all as directed. |
| 32 | M&L Cement Concrete (1:2:4) type B-1(20mm Graded Stone Aggregate) as in Coping of Poles, etc. including Formwork (as required), complete all as directed. |
| 33 | M&L for preparation of old painted surfaces ,removing dust and other deposited materials by scraping from tubular pole of 9/11 Mtr long, two pole stracture , painting of pole with two coat of aluminium paint including cross arms cable protection pipe clamps etc complete all as specified and directed by Engr-in-Charge. |
| 34 | M&L for preparation of old painted surfaces ,removing dust and other deposited materials by scraping from tubular pole of 9/11 Mtr long, painting of pole with two coat of aluminium paint including cross arms cable protection pipe clamps etc complete all as specified and directed by Engr-in-Charge. |
| 35 | M& L for servicing of 11 kV gang operated air break switch by cleaning the contact, pin insulator with CTs and applying petroleum jelly at the contact point and down rod links for smooth operation including replacing the rusted, corroded bolts, nuts (using galvanised iron nuts) along with replacing the burn aluminium thimbles and defective insulators, male and female contact as required at the site complete all as specified and as directed. Note: - (1) Insulator, male (moving) and female (fixed) contact shall be measured and paid separately under the relevant items. (2) The cost for replacement of aluminium thimbles, GI nuts, bolts, washers, lubricating, materials etc. shall be deemed to be included in the unit rate quoted by the contractor for the item. |
| 36 | Supply only male contact /moving contact blade for gang operated air break switch complete all as specified and as directed. |
| 37 | Supply only female contact/fix contact jaw for gang operated air break switch complete all as specified and as directed. |
| 38 | Supply only tinned copper flexible jumper for gang operated air break switch complete all as specified and as directed. |
| 39 | M&L for spray painting with one coat of synethetic enamel paint for outdoor/indoor panel board outer & innner side with two coat of lime wash on plinth of panel board including connected accessories in any size and welded hingeg , locking arragement complete all as specified and directed by Engineer-in-charge |
| 40 | Trimming/Cuting of bushes and grass of Substations/MES Installations and surrounding of Panel board feeder piller boxes at various location and dumping/staging 50 mtr from existing point complete all as specified and directed by Eng-in-Charge |
| 41 | Supply, spreading and levelling 40 mm size graded crushed coarse aggregate around transformer plinth/four pole and two pole structures including earth treatement complete all as specified and directed by Eng-in-Charge |
| 42 | Supply and spread of lime (chuna) powder for the two pole structures/33 KV main receiving station yard complete all as specified and directed by Eng-in-Charge |
| 43 | Material and labour for two coat white wash on wall/ plinth for transformer of different substation all as specified and directed. |
| 44 | Taking down unserviceable cable lux from panel/Transformer of any size and supply and fix existing size aluminium cable lux (25 Sqmm to 240 Sqmm ) including electrical connection and testing complete all as directed by Engr-in-charge. |
| 45 | S & F PVC conductor sleeves (R,Y,B) of suitable size from Over head line to transformer including electrical connection complete all as per directed by Engr-in-charge. |
| 46 | M&L for 60 cm long angle iron 25x25x3 mm thick including suitable clamps and nut, bolts & waser fixed on pole with one primer coat and one aluminium coat paint complete |
| 47 | S&F of D. O. fuse element for 33 KV line, 80 A with fire resistant ferrule complete all as directed at size. |
| 48 | S&F of D. O. fuse barrel for 11 KV line, 80 A with fire resistant tube and joint with ferrule complete all as specifed. |
| 49 | M & L for painting of chain link fencing arround the substation and steel angle poles, with two coat of silver paint after cleaning/scrapping the surface throughly incl main gate complete, and writing on main gate with font and size as directed by Engr -in - Charge. |
| 50 | M & L for danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with mild steel clamps, bolts and nuts of approved size, for HT, 250 mm X 200 mm complete all as specified and as directed. |
| 51 | Disconnecting electrically & mechanically outdoor transformers upto 750 KVA capacity, lowering down/getting out from plinth carefully for repairing /making of plinth of transformer and re- connecting electrically and mechanically after repairing/making of plinth , testing and commissioning complete all as specified and directed.Note:- (a) Rate is deemed to be inclusive for hydra , men power, and other items required for temp energization of transformer. (b) M&L used to repair the Plinth shall be measured and paid separetely under items of sch of work here-in -after. |
| 52 | Supply only pressure sensitive adhesive plasticized PVC tapes with non-thermosetting adhesive, designation F-PVC/90/0/Tp, general purpose application for electrical insulation, plasticized poly vinylchloride backing material, thickness 0.13 mm, width 25 mm, length 30 metre all as per IS 7809 (Part 3/section 1): 1986 |
| 53 | M & L in repair for tap changer off load type suitable for transformer of capacity 100 KVA to 750 KVA complete all as specified and as directed. |
| 54 | Dismantling and taking down Lightning arrestor of any size and any type complete all as specified and as directed. |
| 55 | Supply and fix in repairs metal oxide surge arrester without gap for AC system as per IEC 60099-4: 2014, outdoor type, polymer housing, single column and single phase construction, station class, medium duty, nominal discharge current 10 KA, switching impulse discharge current 1 KA, repetitive charge transfer rating (Qrs) more than 1.6 C, thermal energy rating (Wth) more than 7 KJ/KV, nominal system voltage 33 KV, highest system voltage 36 KV, rated voltage of arrester 27 KV, continuous operating voltage 21.6 KV, temporary overvoltage (30.45 KV for 1 s, 28.50 KV for 10 s, 26.35 KV for 100 s), rated short circuit current 20 KA, low short circuit current 600 A, insulation withstand level (lightning impulse voltage 1.2/ 50 µs) 170 KV, lightning impulse residual voltage (8/20 µs) at nominal discharge current maximum 70 KV, switching impulse residual voltage (30/60 µs) at switching impulse discharge current maximum 57 KV, high current impulse withstand capability (4/10 µs) 100 KA, minimum creepage distance 900 mm complete all as specified and as directed. |
| 56 | Dismantling air break gang operated switches vertical/horizontal mounted, drop out fuse assembly, any rating, any type including insulators and operating mechanism, carrying to MES store or taken on schedule of credit complete all as specified and as directed. |
| 57 | Supply and fix in repairs drop out fuse assembly, triple pole mounted on polymer HT insulator 6 Nos and mild steel galvanised steel frame rating upto 200 Amp, 11 kV complete with drop out fuse and electrical connections, jumpering by ACSR conductor and connectors complete all as specified and as directed. |
| 58 | S & F gang operated air break switch, three poles, outdoor type, nominal system voltage 11 kV, rated voltage 12 kV, rated normal current 400 Amps, rated frequency 50 Hz, rated one minute power frequency withstand voltage between (i) earth & poles 28 kV (rms) (ii) across the isolating distance 32 kV (rms), rated lightning impulse withstand voltage (i) to earth and between poles 75 kV (Peak) (ii) across the isolating distance 85 kV (Peak), Rated short-time withstand current 25 kA for 3 seconds, rated peak withstand current 63 kA for climatic conditions at the site, mechanically operated mounted on polymer insulator and steel frame with operating mechanism worked from ground level for current complete all as specified and as directed. |
| 59 | Dismantling ACSR or AAC conductors removing to store or taken on schedule of credit complete all as specified and as directed. |
| 60 | Supply, fixing and stringing ACSR (aluminium conductor galvanized steel-reinforced) of any size and type in accordance with site requirement and binding on insulator by means of 22 gauge aluminium binding wire to permissible sag complete all as specified and as directed. |
| 61 | Dismantling insulators any type, any size complete all as specified and as directed. |
| 62 | S & F polymer pin insulator, Type B, Nominal System voltage 11 kV, highest system voltage 12 kV, visible discharge test voltage 9 kV, wet power frequency withstand voltage 35 kV, power frequency puncture withheld voltage 105 kV, impulse withstand voltage 75 kV, minimum total creepage distance 230 mm, minimum failing load 5 kN, of suitable size with galvanised steel insulator pin, nut, washers complete all as specified and as directed. |
| 63 | Dismantling steel poles/ struts, any size, transporting to store and stacking or for schedule of credit complete all as specified and as directed. |
| 64 | M & L for steel tubular swaged pole 410 SP-55 (11.0 metre long) including CI base plate, finial taper plug, bolts, nuts & screws as per IS 2713 Part -I & II including preparing and painting on steel tubular swaged pole 410 SP-22 (8.50 metre long) including cross arms, GI brackets, PCC coping complete all as specified and as directed comprising the following: -(a) Two coats of synthetic enamel paint in white colour over a coat of primer on PCC coping (b) Making 4 Nos of strips of 30 cm wide in alternate red and white colour using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer (c) Providing 30 cm wide retro reflective sheet of 30 cm wide, grade 1, pressure bonding type, red colour as per IS 14221: 1995 (d) Two coats of synthetic enamel paint in red colour over a coat of primer from top of electric pole to downward upto 1 metre length including cross arms, GI brackets etc. (e) Writing pole number and voltage level encompassed by circle of suitable dia using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer (the colour of base shall be black and the colour of font shall be white). Number and voltage level shall be handwritten, and circle shall be stencilled. (f) Painting with two coats of aluminium paint over a coat of aluminium red oxide primer on remaining exposed portions |
| 65 | Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in hard/ dense soil complete all as specified and as directed. |
| 66 | Excavating in trenches not exceeding 1.5 m wide and exceeding 1.5 m but not exceeding 3.0 in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and exceeding 1.5 m but not exceeding 3 m in depth and getting out in hard/ dense soil complete all as specified and as directed. |
| 67 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed. |
| 68 | Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point |
| 69 | Supply & spreading in trenches dry river sand cushioning to underground cable in trenches including spreading, levelling, hand punning down complete all as specified and as directed. Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly. |
| 70 | Supply & laying unreinforced precast concrete cable cover class HVP type 1, with peak shape, dimension 450mm x 180mm x 40mm peak thickness as per IS 5820: 1970 complete all as specified and as directed. |
| 71 | Disconnecting, taking out old unserviceable under ground cable of rated voltage 11 KV, of nominal cross sectional area of main conductor 240 sqmm, 3 core, any type from trenches including taking out concrete cable cover/ bricks etc. including removing materials to store for keeping in safe custody or for reuse or for taking credit all as specified and directed by the Engineer-in-Charge. |
| 72 | Supply and fix in replacement of 100mm dia bore tubes, 'light grade' galvanized, with all fitting and fixed complete to walls/ poles or laid in trenches/ floors for cable protection complete all as specified and directed by Engineer-in-Charge. |
| 73 | Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 6.35 kV/ 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 95 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing complete all as specified and as directed. |
| 74 | ditto here-in-before item No- 70.00 but of size 120 sqmm 3 core Please Enable Macros to View BoQ information |
| 75 | ditto here-in-before item No- 70.00 but of size 120 sqmm 3 core Please Enable Macros to View BoQ information |
