REPAIR/MAINTENANCE OF HT DISTRIBUTION SYSTEM INCLUDING REPAIRS TO TRANSFORMERS, GODS, LAS EARTHINGS AND ALLIED WORKS AT ZONE II B UNDER AGE E AND M NO-II OF GE (UTILITY) SECUNDERABAD

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 by Engr-in-Charge. 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 by Engr-in-Charge.

Supply only female contacts suitable for 11 KV air break switch including taking down old unserviceable item complete all as directed by Engr-in-Charge.

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 by Engr-in-Charge.

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 by Engr-in-Charge.

Disconnecting the electric supply and taking down the broken unserviceable post top insulator 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 by Engr-in-Charge. 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 outdoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 Sqmm including taking out old u/s one complete all as specified and directed

All as per Item No 7.00 abvoe but size 120 to 185 Sqmm complete all as specified and 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 50 to 95 Sqmm including taking out old unserviceable one complete all as directed by Engr-in-charge .

All as per item No 9.00 above but size 120 to 185 Sqmm complete all as directed.

M&L for Cable jointing kit for 11 KV (earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 Sqmm including taking out old u/s one complete all as directed

All as per item No 11 here- in- before but size 120 to 185 Sqmm complete all as directed. Note for item no. 7 to 12: 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 by Engr-in-Charge.

Excavation in trenches not exc. 1.5M wide and exc.1.5M & upto 3.0M tin depth for foundation of stay/ pole and etc and getting out in hard/dense soil complete all as specified and as directed by Engr-in-Charge.

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

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 by Engr-in-Charge.

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 , size 300 mmX180mmX 40mm complete all as directed by Engineer-in-Charge.

M/L for cement concrete in foundation (1:4;8) type D2 using 40 mm graded broken stone aggregate for base of foundation complete as specified

M/L for cement concrete in foundation (1:3;6) type C2 using 40 mm graded broken stone aggregate including form work complete as specified

PCC (1:2:4) type B1 (using 20mm graded stone aggregate) as in coping including necessary formwork complete all as specified and as directed.

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 by Engineer-in-Charge.

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.

M&L for boring of horizontally holes under the road below 1.0 mtr from the road/hard surface by trenchless 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 . NOTE: AVERAGE WIDTH OF THE ROAD IS 20 RM

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 by Engineer-in-Charge.

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 by Engineer-in-Charge.

M&L for advance Maintenance Free G.I. SAFE EARTHING Electrode with PIPE of not less than 50 mm outer dia( THICKNESS NOT LESS THAN -2.5MM) and two meter length, The electrode should be of galvinised (80 -100 micron) along with earth lead as Galvanised steel strip of size 32 X6 mm 7.5 m . The GI Electrode shall be pre-filled with Cristaline Conductive Material (CCM) . The GI electrode shall be surrounded with 25 kg BackFill compound to provide maximum contact between the electrode and Back Fill Compound. The earting pit should be cover with pcc(1:2:4 , B1) cover ,of 450 x 450 mm complete all as specified and directed. Make: TRUE POWER / ASHLOK / INDELEC/JMV /TERCEL.

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 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 up to 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.

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 by Engr-in-Charge.

M&L for loop type insulator, vitreous porcelain, white, brown or green, large size with overall dimensions 90 x 140mm size, clearance of hole 25.5 mm complete all as specified and directed by Engr-in-Charge.

M&L of cross arm i.e., 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 by Engineer-in-Charge.

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 by Engr-in-Charge.

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 by Engr-in-Charge.

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 by Engr in charge

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

M&L for ACSR conductor, steel reinforced for LT / ht over head lines on poles including streching tightining of poles insulator with binding wire of suitable size with insulator/streching of ACSR conductor including disconnecting/taking out old existing unsv ACSR conductors complete all as specified and directed.

M &L for Disconnection of all Primary/Secondary connections of the defective transformer rating 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 by Engr-in-Charge. Note :- Crane and Transporting Charges including in the Job.

M &L for Disconnection of all Primary/Secondary connections of the defective transformer rating above 200 and up to 500 KVA 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 by Engr-in-Charge. 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 above 200KVA and up to 500 KVA with complete Testing and Commissioning all as directed by Engr-in-Charge.

M&L for Making Primery/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 by Engr-in-Charge.

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 as required and remaking of LT coil complete all as directed by Engr-in-Charge.

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 by Engr-in-Charge. Note: 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 complete including taking down old u/s one all as directed by Engr-in-Charge.

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 including taking down old u/s one complete all as directed by Engr-in-Charge.

Supply only Gasket set(crok sheet) for any make of transformer rating upto 400 KVA for top of transformer or conservator tank after decanning the required level of oil including taking down old u/s one complete all as directed by Engr -in-Charge.

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 by Engr-in-Charge.

Supply and filling of transformer oil in transformer plinth / pole mounted including including testing insulation and vescocity of oil all as specified and directed by Engineer-in-Charge. 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 by Engineer-in-Charge.

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 by Engr-in-Charge. 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 and applying two coats of aluminium paint to pole surface complete all as directed by Engineer-in-Charge.

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 by Engr-in-charge.

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 by Engineer-in-Charge.

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 pauring 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 specified and 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 and Relaying of HT 11 KV cable of size 95 sq mm to 150 Sqmm 3 core after carrying out necessary Repair such as joining with Epoxy joint and laid with sand Cushioning and brick protection and making connection By using Lugs all as specified and directed by ingr in charge. Note: (a) Earth work , sand Cushioning, brick protection, Joints shall be measured and paid separately under Relevent Item (b) Retrived serviceable bricks/ PCC cover shall be reused under relevent item

Relaying of serviceable bricks / PCC cover of any size retrived during taking out of HT cable complete all as directed Note: laying direction of brick/PCC cover shall as directed by Engr-in-Charge.

Cutting the existing road straight by manual, depth and width not less than 1 mtr below ground level for passing of underground cable and filling back with excavated soil upto 75% road portion and 25% shall be made with cement concrete 1:2:4 (using 20 mm graded aggregate stone complete all as specified and directed.

Supply and fixing cable route indicator for HT UG Cable of 11000 Volts bolted with 40 x 6 mm flat iron member of height 0.60 mtr, and 80 mm dia CI plate embedded in PCC 1 : 3 : 6 type C2 of size 20 x 20 x 30 cm block complete all as specified and directed.

Surface excavation not exc 30 cm deep and averaging 15cm deep and getting out hard/dense soil complete all as specified and directed

M& Lfor shingle filling in floors or pavings of Gauge 40 to 63 mm, deposited, spread and levelled in layers not exc. 150mm thick, watered and rammed to a True Surface, complete all as specified and as directed.

M&L for Galvanised iron strip 32 x 6mm buried in ground for Earthing connection purpose complete all as specified and directed

M&L in replacement of mild steel plates chequered, 5mm thick for duct cover in sub station painted on all sides with two coats of black enemelled paint over a coat of red oxide zinc, primer, complete, all as specified and directed.

M&L for preparation of old painted surface removing of rust from any kind of steel surface, clamps etc for of any description and repainting by 1st quality Synthetic enamelled paint 1 coat over a coat of primer complete all as specified and directed

Excavation in post holes (or similar holes) each n.exc 0.50 Cum getting out in any type of soils, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm complete all as specified and directed.

M&L PCC 1:3:6, type C-1 (using 20 mm graded crushed stone aggregate) in foundations, filling and mass concrete complete all as specifed and directed

M&L for framed steel works in fencing post of angle iron, base plate, brackets etc. drilled and fixed with nut & bolts including cutting tops to shape as directed, drilling holes, notching for wire, etc, flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165complete all as specified and directed.

Supply only chain link MS galvanised fencing wire any size including line wires, to any type of standards rails, straining bolts etc., including provision of binding with mild steel wire annealed not less than 0.9mm dia including dismantiling old unserviceable mesh complete all as specified and directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc., laid in position including provision of binding wire complete all as specified and directed.

M&L for preparation of old painted surface removing of rust from any kind of steel surface, clamps etc for of any description and repainting by 1st quality Synthetic enamelled paint 2 coats over a coat of primer of red oxide, zinc chrome complete all as specified and directed

Supply only Rubber mat of size 1mX2mX20mm, ISI marked complete all as specified and directed

Supply only Hand Glouves 11 KV ISI marked complete all as slpecified and directed

M&L for replacment / renewal of Silica gel for filling in existing air breather by removing unserviceable one complete all as specifed and directed

S&F mild steel TMT bars 10 mm dia bars cut to length bent to shape required including cranbing, bending spirrally, hooking ends and binding with and including mild steel wire annealed net less than 0.9 mm dia or securing with clips all as specified.

M&L in replacement of GOD operating GI pipe 25mm dia upto 7.5 mtr long with clamp, nut, bolts, washers and necessary operating handle, complete, all as specified and directed.

M&L for arresting leakage of transformer fins by brazing / welding etc, after removing of oil from inside of transformer and refilling of oil by opening top cover of transformer of capacity upto 500KVA complete all as specifed and directed

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