REPAIR/REPLACEMENT AND MAINTENANCE OF HT DISTRIBUTION SYSTEM, TRANSFORMERS, AB SWITCHES AND CONNECTED ALLIED WORKS AT ZONE 1A AND ZONE 1B UNDER AGE E/M NO 1 OF GE (UTILITY) SECUNDERABAD

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in hard / dense soil complete all as specified and directed

All as per item No 1.00 here in before but depth above 1.5 m & below 3 m complete all as specified and directed

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/loose/hard/dense soil complete all as specified and directed

Removing excavated material (soils) n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed

M & L for sand cushioning to underground cable including punning down of sand in layer complete all as specified and directed Note :- Thickness of sand cushion after punning down i.e 18 cm shall be measured for payment

M&L for PCC 1:3:6 type C2 (using 40mm size graded stone aggregates) as in foundation, filling and mass concrete complete all as specified and directed

M&L for cement concrete 1:3:6 type C-1 (using 20mm size graded stone aggregates) as in coping / pedestal of poles including necessary formwork complete all as specified and directed

Supply and lay un-reinforced precast concrete cable cover , class , HVP , Type II flat size 300 x 180 x 40 mm laid dry in trenches over under ground cables complete all as specified.

Supplying, Erecting and fixing in replacement Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-55 (11.0 metres long) and providing 3 Nos of 30cm wide circular bands with black & yellow paint starting from plinth level at a gap of 30 cm in between 2 bands and numbering of poles, in yellow paint over black painted back ground at a height of 2m from bottom of pole with 5 cm large bold letters 2" wide, complete all as specified.

M&L for cleaning/ painting the HT poles of OH lines and HT four pole/ two pole structures complete with crossarms any height and any description thoroughly with necessary cleaning agent including scrapping up of old corroded paint dirt/ rust carefully and applying two coats of synthetic aluminium paint including marking and colour washing of pole coping details as are under:-

(a) Two poles with crossarms

(b) Four poles with crossarms

(c) HT 11 mtr single pole

M&L for cleaning the pre-stressed cement street light poles 9 / 11 meters height preparing surfaces plastered or unplaster old surfaces and applying two coat of cement based paint over one coat of primer including writing of pole numbers two coats colour washing of PCC coping complete all as specified and directed

Material and labour XLPE insulated (Earthed) , screened PVC bedded, galvanized steel strip or wire armoured, electric power cables(heavy duty) with aluminium conductor, 11000 volts grade,3 core, cross sectional area 95 sq.mm including inspection and testing. including taking down old U/S HT cable complete all as specified and directed

Material and labour XLPE insulated (Earthed) , screened PVC bedded, galvanized steel strip or wire armoured, electric power cables(heavy duty) with aluminium conductor, 11000 volts grade,3 core, cross sectional area 120 sq.mm including inspection and testing. including taking down old U/S HT cable complete all as specified and directed.

Material and labour XLPE insulated (Earthed) , screened PVC bedded, galvanized steel strip or wire armoured, electric power cables(heavy duty) with aluminium conductor, 11000 volts grade,3 core, cross sectional area 185 sq.mm including inspection and testing. including taking down old U/S HT cable complete all as specified and directed.

M & L for Cable jointing kit for 11 KV (Earthed) grade cable for Straight through heat shrinkable 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.

M & L for Cable jointing kit for 11 KV (Earthed) grade cable for Straight through heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified.

M & L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrinkable 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

M & L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified .

S&F cable route indicator for HT UG cable of 11000 volts bolted with 40x6 mm flat iron member of height 0.60 mtrs and 80 mm CI plate embeded in PCC 1:3:6 type C2 of size 20x20x30 cm block complete all as specified and directed

Supply and stringing ACSR conductor of any size for LT/HT over head line connections of squirrel/weasel/Mink/Rabbit as per site requirement including taking down old unsv complete all as specified and directed.

M&L in repairs for cradles, hexagonal / rectangular, fabricated with galvanised steel wire 4mm dia & including taking down old unserviceable complete all as specified and directed by Engr-in-charge.

M&L ACSR jumper in HT/LT overhead line as that of existing size including binding wire, nuts & bolts, washers complete all as directed by Engr-in-charge

S & F for Cross arms, bracing, supports, clamps and back plate, fabricated from structural steel section including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as directed including two coats of synthetic enamel paint over a coat of red oxide primer & including taking down old unsv, complete all as specified and directed.

Supply and fixing Lightning arrestor expulsion type complete with all fittings transmission class , discharge capacity 65 Kilo amps suitable for 11000 volts and including taking down old unserviceable complete all as specified and directed.

M&L for disconnecting the electric supply and servicing of 11 KV AB switches upto 400 Amps by disconnecting, overhauling, greasing and reassembling same in its existing position, testing & commissioning including complete all as directed by Engr-in-charge. Note: supply of worn out spares shall be measured and paid seperately under relevant items

Supply only Female contact or fixed contact heavy duty and high conductive metal assembly brass/Gun metal suitable for 11 KV AB switch including taking down old u/s item complete all as directed by Engr-in-charge

Supply only Male contact or Moving contact blade heavy duty and high conductive metal assembly brass/Gun metal suitable for 11 KV AB switch including taking down old u/s item complete all as directed by Engr-in-charge

Supply only Tinned copper flexible jumper 200A/400A suitable for 11 KV AB switch including taking down old u/s item complete all as directed by Engr-in-charge

Dismantling of insulators any size and any type from existing HT line, removing materials taking to schedule of credit complete all as specified and directed.

S&F new pin type porcelain , vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150 mm height and 150 mm dia suitable for working pressure 11000 Volts grade complete all as specified and directed. Make :- Rastriya/Jaipuria

S&F disc type insulator, porcelain, vitreous, white brown or green, 145mm high, and 255mm dia ball and socket type single disc assembly for tension with tension clamps for conductors, working pressure 11000 volts grade complete all as specified.

S&F post insulator 11 KV suitable for air break switch/drop out fuse with necessary nuts, bolts washers complete all as specified and directed.

S&F in repairs loop type insulator porcelain vitreous white, brown or green with overall dimensions of 90X140 mm , clearance of hole 25.5 mm complete all as specified and directed.

Supply,test,install and commissioning of HT 11 KV outdoor type gang operated air break switch triple pole mechanically operated mounted on insulator and steel frame with operating mechanism worked from ground level for current rating upto 400 Amps and connecting up with jumpers including taking down old unserviceable one complete all as specified and directed by Engr-in-charge

Earthing (OH/Sub station) with galvanised steel earth plate electrode 60 cm x 60 cm x6 mm hick, buried directly in ground (earth pit not less than 2.25 metre below normal ground level) with top edge of earth plate not less than 1.5 metre below normal ground level connected to main earth lead GI strip 32 mmx6mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 5 of MES Schedule Part I 1991, GE earth lead protected by GE pipe 40 mm dia light grade, providing and connected to earth test point with & including necessary excavation & earth works in any type of soil, returning filling, disposal of surplus soil to 50 metre, filing with mixture of charcoal and common salt upto 15 cm above top edge of earth plate, pit of PCC 1:2:4 with precast cover of RCC 1:2:4, watering arrangement with GI funnel, 20 mm dia GI light grade watering pipe, earth test point, commissioning & testing complete. ( Note : Main earth lead beyond 7.5 metre measured and paid for separately.)

Earthing (OH/Sub station) with galvanised steel earth plate electrode 60 cm x 60 cm x6 mm thick, buried directly in ground (earth pit not less than 2.25 metre below normal ground level) with top edge of earth plate not less than 1.5 metre below normal ground level connected to main earth lead GI wire 4.0 mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 5 of MES Schedule Part I 1991, GE earth lead protected by GE pipe 20 mm dia light grade, providing and connected to earth test point with & including necessary excavation & earth works in any type of soil, returning filling, disposal of surplus soil to 50 metre, filing with mixture of charcoal and common salt upto 15 cm above top edge of earth plate, pit of PCC 1:2:4 with precast cover of RCC 1:2:4, watering arrangement with GI funnel, 20 mm dia GI light grade watering pipe, earth test point, commissioning & testing complete. ( Note : Main earth lead beyond 7.5 metre measured and paid for separately.)

M&L for earthing continuity conductor to wall on batten or burried in ground of drawn in condiut or fixed to ple or any other indicated situation for loop earthing etc. as required 32x6 mm GI strip complete all as specified and directed.

M&L for Stay assembly mild steel galvanised stay assembly set complete comprising of 20 mm dia, 400mm long stay bow, 2150mm long stay rod 20mm dia, 300mm x 300mm x 6mm stay plate, thimble, GI stay wire of 7/8 SWG upto required length including necessary excavation PCC 1:3:6 Type C2 (using 40mm graded stone aggregate),Loop type insulator of vitreous porcelain all as shown in electrical plate No.1 of MES Schedule part-I (2009) complete all as specified and taking down old unserviceable as directed by Engr-in-charge.

Disconnecting HT/LT electric connections of defictive outdoor/indoor distrubution transformer step down 11KV / 433 Volts of capacity 50 KVA to 400 KVA, pole mounted/platform mounted, from uploading with help of crain and transporting at local authorised work shop, taking out complete transformer oil from tramsformer, stored the oil in separate container. Opening the top cover for lifting up the core assembly carefully dismantling same. Check the condition of HT & LT winding of transformer and providing new insulation such as craft paper insulation top gasket kreeper paper varnish etc, checking the transformer body for any leakages & rectify by welding as required cleaning the transformer body internal & externally painting the body with one coat of approved paint, Refixing of the same after ovening of core to achive the permissible insulation level and refilling the transformer oil after dehydration & filteration. Reassembling & testing complete and provide testing report, transporting back & up load the same at site by using crain safely. Reconnecting & commissioning al as specified. Notes :- 1. Winding wires /strips of copper or aluminium shall be measured and paid seperately. 2. Spares like Breather assembly, Temp Gauge, LT Bushing, HT Bushing, Top up of new Transformer oil shall be measured and paid seperately under respective items. 3. Dehydration and filteration of existing oil shall be measured and paid separately. 4. Transportation of transformer if required ( to & fro) is deemed to be included. 5. Labour component for fixing of supply only items is deemed to be included in the rate quoted.

Supply only new HV enamelled copper winding wire/strips of superior quality of suitable gauge and number of turns of any make, type and capacity including cork sheet, fibre glass insulation / paper insulation / cotton ampire tape, varnishing and wooden blocks, bolts, nuts and washers (Brass) soldering and other packing materials etc complete all as specified and directed

Re-conditioning of LT coil of transformer copper wound made out of super enamelled insulated copper strip as per existing gauge and number of turns of any make, type and capacity including insulating, binding varnishing and backing as required complete all as specified

Ovening/ heating of transformer of core rating 100 KVA to 500 KVA of with HV&LV coil / winding at steady temperature for up 72 hrs or above to get permissible insulation value complete all as specified

Supply only in replacement of HT 11 KV bushes porcelain, vitreous with brass spindle, threaded with washers, nuts, lock nut and rubber seal suitable up to 100 KVA transformer of any make / type / size all as specified.

All as per Item No.43 here in before but suitable for transformer of capacity 125 KVA to 400 KVA complete all as specified and directed

Supply only in replacement of LT bushes 415 volts, porcelain, vitreous with brass spindle, threaded with washers, nuts, lock nut and rubber seal suitable for 100 KVA transformer of any make / type / size complete all as specified and directed

All as per Item No.45 here in before but suitable for transformer of capacity 400 KVA complete all as specified and directed

M & L for top gasket sheet made out of cork sheet with suitable GI bolts, nuts, washers for transformer top cover complete for transformer of capacity up to 100 KVA all as specified

All as per Item No 47 here in before but suitable for transformer of capacity 400 KVA complete all as specified and directed

Supply and fill new transformer oil for top up, of low viscosity of approved make as per IS 355 of 1992 and di-electric strength 60KV all as specified and directed .

M & L for filtration and dehydration of existing transformer oil by means of centrifugal machine electrically operated at site different locations of transformer in running condition including testing of oil samples both before and after dehydratation and filteration. The dielectric strength of the transformer oil shall not be less than 60 KVA with 2 mm gap after dehydration all as specified

Supply and fixing in replacement breather assembly CI body of standard size filled with silica gel for transformers upto 200 KVA complete all as specified and directed

Supply and fixing in replacement breather assembly CI body of standard size filled with silica gel for transformers above 200 KVA to 400 KVA complete all as specified and directed

Supply and fixing in repairs temperature gauge circular type of standard size and suitable for indoor/out door type transformer upto 400 KVA capacity complete all as specified and directed

Supply only tapping switch/gear changer mechanism for varying LT voltage in steps for transformer capacity upto 100 KVA complete all as specified and directed

All as per Item No.54 here in before but suitable for transformer of capacity above 125 KVA to 400 KVA complete all as specified and directed

Find out Fault in existing U/G HT cables laid below 1 Mtr depth of earth surface in any location of GE (U) secbad Area by the expert engineers team of state electricity board using and hiring of HT fault locator complete Note : HT Straight through Joint kit will be paid and measured seperatly in relevent item of sch A.

Supply & lay 80mm dia bore GI tubing light grade in protection of cable at road crossing /hard standing/pole protection fixed with clamps as per site requirement etc all as specified including taking down U/S one complete all as specified and directed

M&L for boring horizantally holes under the road below 1.5 mtrs from the road /hard surface by trenches techonology using utra sound techanic and including necessary machine with out damaging the existing road and getting out any type of soil and disposal of soil to a distance not exceding 50 mtrs from the site of work including supply and lay HDPE pipe up to 150 mm dia suitable for MPA work pressure complete all as specified and directed

Supply and fill Silica Gel in transformer of any capacity/ any make including taking down old silicagel complete all as specified and directed

Cutting and trimming tree branches any girth and any size touching overhead lines and cleaning the distance 1.5 mtr length both sides of OH line with in a span and disposing the same, cleaning the site all as directed by Engr-in-charge

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

S&F Horngap fuse unit suitable for 11 KV and including taking down old unserviceable as directed by Engr-in-charge

Supply and spread and levelling Graded coarse Aggregate in loose filling over the sand of gauge 40 mm nominal size in the installation yard complete all as specified and directed

Supply only Rubber Insulated Mats of size 10 mm thick, 1m wide, 2 m length, class A for working voltage upto 3.3 KV, black colour antiskid design Dotted ISI marked with BIS symbol, conforming to IS 15652:2006, HSN 39181090 complete all as specified complete. Make Safevolt or equivalent

Supply only Rubber Insulated Mats of size 12 mm thick, 1m wide, 2 m length, class A for working voltage upto 11 KV, black colour antiskid design Dotted ISI marked with BIS symbol, conforming to IS 15652:2006, HSN 39181090 complete all as specified and directed Make : Safevolt or equivalent

S & F Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20 cm size all as specified .

M&L for chequered plate 6 mm thickness of type Fe- 410-W (gde-250)quality B with suitable size of lifting handle at both sides and including taking down old unserviceable complete all as specified

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

Brite electricals

Sri Surya Enterprises

The Deccan Engineering and Refrigeration Company

STANDARD AGENCIES

diesel power services (a.p)