REPAIRS / MAINTENANCE OF HT DISTRIBUTION SYSTEM INCLUDING REPAIRS TO TRANSFORMERS, GODs, EARTHING AND ALLIED WORKS AT ZONE II A AND ZONE II D

Amount

M &L for Disconnecting the electric supply and Servicing of 11 KV AB switches upto 400Amps by disconnecting,overhauling,greasing and re-assembling same in its original existing postion, testing & commissioning including complete all as directed Note: Male/female contacts shall be measured and paid separately under relevant items.

Supply only male contacts suitable for 11 KV Air Break switch including taking down old u/s item complete all as directed

Supply only Female contacts suitable for 11 KV Air Break switch including taking down old u/s item complete all as directed

Disconnecting the electric supply, taking down the old u/s Disc insulator and Supply & Fixing Disc insulator single disc 11 KV grade porcelain vitreous brown or green 145mm high and 255 mm dia complete all as directed

Disconnecting the electric supply, taking down the old u/s pin type insulator and Supply & Fixing pin type insulator 11 KV grade porcelain vitreous brown or green insulator including one galvanised iron washer and one nut 150mm high and 150 mm dia including taking out old unserviceable one complete all as directed

Disconnecting the electric supply and taking down the broken unserviceable post top inculator and S&F post top porcelain insulator vitrous brown with GI clamp nuts bolts etc suitable for 11000 Volts grade working pressure complete all as directed Make for item No 4.00 to 6.00:- JAYSREE / BENGAL POTTERIES / BHEL

M&L for Cable jointing kit for 11 KV (earthed) grade cable for indoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 to 95 Sqmm including taking out old u/s one complete all as specified and directed

All as per Item No 7.00 here- in- before but size 120 to 185 Sqmm complete all as directed.

M&L for Cable jointing kit for Eleven KV (earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 to 95 Sqmm including taking out old u/s one complete all as directed

All as per Item No 9.00 here- in- before but size 120 to 185 Sqmm complete all as directed.

M&L for Cable jointing kit for 11 KV (earthed) grade cable for out door end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 to 95 Sqmm including taking out old u/s one complete all as directed

All as per item No 11.00 here- in- before but size 120 to 185 Sqmm complete all as directed. Make for item No.7.00 to 12.00 :- REYCHEM/ DENSON/3M/M-Seal Note: Earth work shall be measured and paid separately.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth and getting out in hard/ dense soil for foundation of poles, structures, stay rods, laying of underground cable etc complete all as directed

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

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

Supply and spreading of dry river sand in trenches/ transformer yard/ two pole structure yard for cable protection complete all as directed by Engr-in-charge. Note:- Punned thickness only shall be measured for payment purpose.

M&L for laying un-reinforced precast concrete cable cover, class HV , type 1 with peak, size 300 mmX180mmX 40mm complete all as directed by Engineer-in-Charge.

Supply and lay GI tubing 100 mm dia, light grade for cable protection at road crossing / on poles and tubing sealed at both ends after laying the cables complete all as directed

M&L for boring of horizontally holes under the road below 1.5 mtr from the road/hard surface by trenches techonology using ultra sound technique and inclduing necessary machine without damaging the existing road and getting out in any type of soil and disposal of soil to a distance not exceeding 50m from the site of work including supply & laying HDPE pipe up to 150 mm dia suitable for 0.4 MPA work pressure

Supply and lay GI tubing 80 mm dia, light grade for cable protection at road crossing / on poles and tubing sealed at both ends after laying the cables complete all as directed by Engineer-in-Charge.

Supply, lay, connect test and commissioning of 3 core, 95 Sqmm, 11000 Volts grade(Earthed) XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminum conductor laid in trench/under ground/wall/surafce/tunnel/duct including taking out unserviceable burnt out cable complete all as directed

Supply, lay, connect test and commissioning of 3 core, 120 Sqmm, 11000 Volts grade (Earthed) XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminum conductor laid in trench/under ground/wall/surafce/tunnel/duct including taking out unserviceable burnt out cable complete all as directed

M & L earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5m below ground level, connecting to the Galvanised iron earth strip 32 x 6mm dia, by means of nuts, bolts, check nuts and washer etc of galvanised iron and earth lead protected by provision of GI pipe medium grade 40mm bore from earth elelctrode to test point incl provn of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone agagregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM sheet (weight not less than 4Kg/Sqm) and frame of angle iron 25 x 25 x 6mm with lugs 2 Nos and with 8mm dia MS bar handle made to shape, GI pipe medium grade 20mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling test point with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning in and removal of surplus soil to a distance not exceeding 50mtr, complete all as specified in electrical plate No 3 of SSR Part I and connection to earth test point including testing on completion all as directed. Note:- Item of earthing includes cost of 7.5m long galvanised iron earth strip of 32 x 6mm size and protection pipe of 40mm bore GI medium grade.

M&L for Supply, test, erection & commissioning of Steel tubalar swaged poles staying in a truely vertical position till the foundations are properly set with the help crane complete with cast iron base plate, finial taper plug, bolts, nuts & screws including drilling of holes to poles for clamps & hooks for running of earth wire/Strip complete all as specified type 410 SP-55,11 mtrs HT poles complete including taking down of existing pole all as directed by Engr-in-Charge. Note:-(i)Crane charges for erection shall be deemed to be including in quoted rate. (ii) Earth work, PCC, coping shall be measured and paid separately. (iii) The rates include staying the poles in atruely vertical position till the foundations are properly set. (iv)The rates include cast iron base plate, nuts, bolts, screws, painting of steel tubular poles,drilling of holes in steel tubular poles for fixing of clamps, hooks for continuous earth wire/strip.

Supply, test. install & commissioning of HT 11 KV outdoor type gang operated air break switch triple pole mechanically operated suitable for horizontal or vertical mounting(suitable for existing one) on insulator and steel frame with operating mechanism worked from ground level for current rating 400 Amps and connecting up with jumpers, testing and commissioning including dismantling/disconnecting & taking down the old unserviceable one complete all as directed by Engr-in-Charge. Make :- VJV / SMC / ATLAS

M&L stay assembly comprising of MS stay plate 6 mm thick and of size 300 x 300 mm and 20 mm dia MS stay rod, 2150 mm long including thimbles GI stay strand 7/3.15 mm dia of required length complete all as shown on electrical plate No.1 on page No.495 of MES SSR Part-I 2009 including necessary excavation PCC 1:3:6 Type C2 (using 40mm graded stone aggregate), loop insulator as specified in SSR and including taking down old unserviceable one complete all as directed

M&L of cross arm ie bracing supporting clamps back plates, nuts, bolts and washers complete including one under coat and one finishing coat with synthetic enamel paint over a coat of red oxide primer & including taking down old unserviceable complete all as directed

Supply and install lightening arrestor expulsion type complete with all fittings transmission class, discharge capacity 65 Kilo Amps suitable for 11 KV connecting testing & including taking down old unserviceable complete all as directed

M&L ACSR jumper in HT/LT over head line as that of existing size including binding wire, nuts & bolts washers complete all as directed

M&L of danger notice plate of 1.6mm thick mild steel sheet vitreous enameled white, with letters, figures and convention skull and bones in signal red colour and fixed with MS clamps bolts and nuts of approved size for HT 11 KV of size 25 x 20 cm complete all as specified and directed

M&L for cradles, hexagonal/rectangular fabricated with galvanised steel 4mm dia & including taking down old unserviceable complete all as specified and directed

Supply only tinned copper fuse wire of 16SWG to 22 SWG or 30 Amps to 200 Amps capacity suitabe for 11KV complete all as specified and directed

S&F for stringing in position of HT/LT overhead line on pole with continuous aluminum conductor steel reinforced (ACSR) of weasel (35 sqmm) size & including taking down old unserviceable complete all as directed

M &L for disconnection of all Primary/Secondary connections of the defective transformer rating above up to 200KVA out door / indoor type, any make, taking down / out from plinth / pole / platform with the help of suitable crane and transporting the same carefully to workshop for repair and bringing back and test,install &commissioning in its original existing position by making all neccessary connections complete all as directed Note :- Crane and Transporting Charges including in the Job.

M &L for disconnection of all Primary/Secondary connections of the defective transformer rating above 200KVA up to 500kVA out door / indoor type, any make, taking down / out from plinth / pole / platform with the help of suitable crane and transporting the same carefully to workshop for repair and bringing back and test,install &commissioning in its original existing position by making all neccessary connections complete all as directed Note :- Crane and Transporting Charges including in the Job.

M &L for opening top cover of transformer taking out complete oil and keeping in clean and dry container, taking out core & winding from the body,remove the sludge from tank complete and segregation of HT/LT leg coil from transformer including job assembling of jointing the connections pf HT/LT coil in core assembling complete insulation works, setting of core, making new connections (as per existing connections), proper alignment of job including keeping in oven chamber of as per IS Specification of respective transformer capacity for remove the moisture as well as fixing of upper yoke lamination, checking, tightening, nuts, bolts, washers and all types of gasket ( Bushing and tank) etc and welding if any leakage found in body or fins, making good dificient item if any, testing the jobs with megger for proper results including two coats of anti corrosive paint aftre cleaning inside transformer tanks and two coats of outside painting including writing KVA Capacity, repairs of body by means of welding, jointing if required complete for capacity up to 200 KVA with complete Testing and Commissioning all as directed by Engr-in-Charge.

M &L for opening top cover of transformer taking out complete oil and keeping in clean and dry container, taking out core & winding from the body,remove the sludge from tank complete and segregation of HT/LT leg coil from transformer including job assembling of jointing the connections pf HT/LT coil in core assembling complete insulation works, setting of core, making new connections (as per existing connections), proper alignment of job including keeping in oven chamber of as per IS Specification of respective transformer capacity for remove the moisture as well as fixing of upper yoke lamination, checking, tightening, nuts, bolts, washers and all types of gasket ( Bushing and tank) etc and welding if any leakage found in body or fins, making good dificient item if any, testing the jobs with megger for proper results including two coats of anti corrosive paint aftre cleaning inside transformer tanks and two coats of outside painting including writing KVA Capacity, repairs of body by means of welding, jointing if required complete for capacity 200 KVA up to 500 KVA with complete Testing and Commissioning all as directed by Engr-in-Charge.

M&L for Making Primary/Secondary coil with insulating copper wire of required gauge craft paper cotton tape HT/LT insulation as per specification of old existing transformer including making of coil as required of various capacity of transformer complete all as directed

M &L for Reconditioning of over heated HT/ LT coil of transformer up to 400 KVA after removing all old insulation any type and re-insulation with new insulating material as required and remaking of LT coil complete all as directed

M&L for Opening of the 11 KV / 0.433 KV Distribution transformer rating up to 500 KVA by removing the inspection cover / top cover, decanning of the transformer oil up to the required level,check leaked cork seal(if any), check the un sericeable insulators & LT/HT bush (if any) complete from the shell and making connections of LT/HT bush,insulators & cork seals to avoid leakage and refilling oil back to existing postion into the transformer complete testing & commissioning complete all as directed Note: Supply of spares shall be measured and paid separately under relevant items

Supply only following parts for transformer:-

Supply only HT bushing including metal parts and washer complete for any make of transformer mounted on plinth/pole and transformer rating up to 500 KVA capacity

Supply only LT rod / studs for any make of transformer rating up to 500kVA mounted on pole/plinth, made of brass with nut and washers, Insulator and fittings etc as per size and shape of original complete

Supply only Gasket set (crok sheet) for any make of transformer rating upto 500 KVA for top of transformer or conservator tank after decanning the required level of oil

M&L for replacement of air breather with filled silica gel suitable for any make of tranformer rating up to 500 KVA mounted on plinth/pole including taking out old u/s one complete all as directed

Supply and filling of transformer oil in transformer plinth / pole mounted including including testing insulation and viscocity of oil all as specified and directed Make :- SERVO/POWER OIL

M &L for Dehydration including filtration cleaning of transformer oil in transformer indoor/ outdoor type by centrifusion / machine having minimum capacity 1000 to 30000 ltrs/ hrs including testing insulation and viscocity of oil before and after dehydration complete all as directed

M &L for Shifting of the any make of transformer rating up to 500 KVA mounted onplinth/pole from existing location to new location and existing transformer vice versa, including removing and reconnections of HT/LT side, jumper / cable connection, control cable connection of both transformers including testing and commission complete all as directed Note:- (i) The rate quoted is deemed to be inclusive of necessary crane / vehicle charges for shifting and installation of the transformer.

Dismantling HT/LT pole of any height by taking out from PCC foundation complete and shifting to other location as directed including fixing the pole in true vertical position including excavation and earth work, PCC 1:4:8 type D2 (using 40mm graded stone aggregate) as base concrete and PCC 1:3:6 type C2 (using 20mm graded stone aggregate) in both foundation and coping of poles all as specified in SSR Part I-2009 and applying two coats of aluminium paint to pole surface complete all as directed

Inspection of defective 11KV HT cable(laid in UG/trench/tunnel/wall/surafce) to locate the fault using cable fault Locator machine(by surge genarators munted on Van) (fault either by Short/Moisture/earth fault or any type) including complete all as directed

M&L for cleaning/painting the HT poles of OH lines and HT Six poles/four poles/two poles structure complete with cross arms any height and any description thoroughly with necessary cleaning agent including scrapping up of old corroded paint dirt/dust/rust carefully and applying two coats of synthetic aluminum paint and zebra painting with black & yellow strip upto 3 feet height from coping of pole/sructure including marking and colour washing of pole coping details as are under :-

(a) Two poles with cross Arms

(b) Four Poles with cross Arms

(c) Six Poles with cross Arms

(d) HT 11mtrs Single pole

M&L for Spray painting of upto 500 KVA transformer pole mounted / plinth mounted at site and applying two coat of synthetic enameled Smoke grey paint after removing all dust & rust and paint shall confirm to IS 2032 including marking or transformer capacity with stencil letter with black or white paint and Font and Size of letter shall be directed by Engr-in-Charge, complete all as specified and directed

Supply & laying cement concrete in foundation (1:4:8) type D2 using 40 mm size graded broken stone aggregate including form work complete as specified

Supply and laying PCC (1:3:6) using 20mm size graded aggregate type C1 for coping of PCC pole 11 mtrs long complete including necessary form work all as directed

Supply and laying PCC (1:2:4) type B2 using 40mm graded aggregate for foundation of PCC pole 11 mtrs long complete all as directed

Cutting anxious green growth / vegitation growth for cleaning out the area around transformer installations and four pole structure yards at ground level by cutting out roots, un wanted plants bushes and removel of the same by surface excavation not exceeding 30 cm deep average 15 cm complete all as specified and directed

Maintenance of earthings of installations like cleaning of earth pits, treatment of earthing by pouring salt water, replacement of perished wire mesh, unserviceable funnel and repair works like patch works to the PCC chambers and RCC cover with cement mortar 1 : 4 all as directed.

Restreching/Restringing, tightening and repair to overhead line ACSR conductor of any size on LT poles including necessary Aluminium binding wire connectors PVC sleeves for jumper, fixing of insulators and prunning of tree complete all as specified and directed.

Dismantling and taking out existing D O fuse unit 3 pole 11 KV channel mounted complete including supply and fix for new DO fuse unit 3 pole 11 KV channel mounted complete all as specified and directed

Cutting and trimming trees branches any girth and any size touching to overhead lines and cleaning the distance 1.5 mtr length both side of OH line with in a span of 35 mtrs each disposing the same, clearing the site all as directed by Engineer-in-Charge.

Taking out HT/LT UG cable laid in underground/trench/cable duct/tunnel/surface and relaying/rerouting the same cable shall laid in underground/trench/cable duct/tunnel/surface as per direction of Engr-in-Charge. Note:(i)Earth work shall be measured & paid seperately under relevant items (ii) Taking out &relaying of bricks/PCC covers shall be measured & paid separetly under relevant items

Taking out Bricks/PCC covers laid in underground/trench/ and relaying same in underground/trench as per direction of Engr-in-Charge. Note: laying direction of brick/PCC cover shall as directed by Engr-in-Charge.

Maintenance /Overhauling and calibration of HT VCB up to 600Amps Capacity suitable for 11KV by disconnecting and opening the complete assembly checking and overhauling mechanisim,tripping system,cleaning and lubricating of all moving parts and carrying out primary and secondary injection test for propoer functioning,checking of protection device,replacement of unserviceable parts,reconnecting and testing on full load complete. Note:-Supply of spare parts shall be measured and paid seperately under respective items

Supply only following parts for HT VCB:-

(a)Shunt Trip Coil 110V DC

(b) Moving Conatct(Male)

(c) Fixed contact(Female)

(d) Tulip Contact

(e)Circuit Spout

(f)ARC Pot Assembly

(g)Back Connection housing

(h)Finger Contact

(j)Trip Assemebly

(k)Current Transfromer 100/50/25/5

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