REPAIRS/MAINT OF HT NETWORK INCLUDING TRANSFORMER AND OTHER ASSOCIATED WORKS UNDER GE GOLCONDA

Amount

M&L for stringing and fixing ACSR conductor reinforced of any size including copper binding wire using ACSR conductor on insulator on overhead line including taking down of existing conductor complete all as specified and directed.

M&L for Cross arm bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of two coats of aluminium paint over a coat of zinc chrome primer including taking down old U/S cross arms of any size complete all as specified.

S&F disc type insulator, porcelain, vitreous, 145 mm high and 225 mm dia ball and socket type, white, brown or green, single disc assembly for working pressure 11000 Volts, conforming to IS-731 and IS-3188 including tension clamp including taking down of old U/S insulator complete all as specified and directed.

S&F HT 11 KV, 150 mm height and 150 mm dia pin type insulator, porcelain, vitreous, white/brown/green, conforming to IS: 2486 for 11000 Volts grade including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut including taking down of old U/S insulator complete all as specified and directed.

M&L for stay assembly complete with all accessories as shown in electrical plate No.1 of SSR Part-I using 20 mm dia stay rod including taking down of old U/S stay assembly, excavation (according to site condition or as directed at site, for any type of soil) and PCC 1:3:6 type C2 using 40 mm graded stone aggregate complete all as specified and directed.

M&L for Loop type insulator, vitreous porcelain, white, brown or green, large size with overall dimension 90x140 mm clearance of hole 25.5mm including taking down of old U/S insulator complete all as specified and directed.

M&L for galvanised stay strand, size 7/3.15mm incl taking down old one complete all as specified and directed.

S&F for Steel tubular swaged pole 11 m long, with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP-55, conforming to IS: 2713 (Part-I & II) including painting of pole with two coats of aluminum paint over a coat of red oxide primer from top of the pole to 1.5 m above the bottom of the pole and remaining 1.5 m bottom protion of the pole shall be painted with two coats of tar/bitumen composition, including excavation 0.6x0.6x1.9m in any type of soil, 100 mm thick PCC 1:4:8 type D2 using 40 mm graded stone aggregate, 1.8 m depth PCC 1:3:6 type C2 using 40 mm graded stone aggregate, and coping 0.6x0.6x0.3 m in PCC 1:3:6 type C1 using 20 mm graded stone aggregate with necessary form work complete including dismantling of unserviceable steel tubular pole any size upto 11 mtr long including breaking up PCC and making good disturbed surface and removing materials from site of work all as specified and directed.

M & L prestressed concrete ploe, 11.0 mtrs long 152mm x 152mm at top and 152mm x 260mm at bottom, class 9 including excavation and pcc work including dismantling of unserviceable concrete pole any size upto 11m long including breaking up PCC and making good disturbed surface and removing materials from site of work all as specified and as directed.

Supply, install, testing and commissioning single pole lightening arrestor, gapless metal oxide out door type complete with all fittings, distribution class, discharge capacity 10 kA suitable for 11000 Volts grade including necessary connection and fittings all as per IS-3070 Part-III and IEC 1994 including dismantling of existing lightening arrestor complete all as specified and as directed.

Supply, laying, connecting and testing XLPE insulated (Earthed) cable in trenches/ fixed on pole etc in screened PVC bedded galvanized steel strip or wire armoured electric power cable (heavy duty) with stranded aluminium conductor, 11000 Volt grade, cross sectional area 95 Sqmm, 3 Core Conforming to IS-7098 (Part-II)-1985 including taking down of old U/S HT UG cable complete all as specified and directed. Note: Excavation & earth work will be measured and paid separately

Supply, laying, connecting and testing XLPE insulated (Earthed) cable in trenches/ fixed on pole etc in screened PVC bedded galvanized steel strip or wire armoured electric power cable (heavy duty) with stranded aluminium conductor, 11000 Volt grade, cross sectional area 120 Sqmm, 3 Core Conforming to IS-7098 (Part-II)-1985 including taking down of old U/S HT UG cable complete all as specified and directed. Note: Excavation & earth work will be measured and paid separately

S&F cable jointing kit for 11 KV (Earthed) grade cable for outdoor end 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 including taking out old unserviceable one all as specifide and directed. Note:- Earth work excavation, sand cushioning and pre cast concrete cable covers will be measured and paid separately under relevant items of this schedule.

M&L for cable end termination, heat shrinkable, outdoor type, suitable for 3 core x 120 to 185 Sqmm HT, 11 KV cable with necessary lugs complete all as specified and directed. Note:- Earth work excavation, sand cushioning and brick protection will be measured and paid separately under relevant items of this schedule.

M&L for HT 11 KV straight through joint, heat shrinkable type, suitable for 3x50 to 95 Sqmm size cable complete all as directed by complete all as specified and directed at site. Note:- Earth work excavation, sand cushioning and brick protection will be measured and paid separately under relevant items of this schedule.

M&L for HT 11 KV straight through joint, heat shrinkable type, suitable for 3x120 to 185 Sqmm size cable complete all as directed by complete all as specified and directed at site. Note:- Earth work excavation, sand cushioning and brick protection will be measured and paid separately under relevant items of this schedule.

S&L 100 mm bore galvanised iron tubing, light grade with all fittings for passing of cables under ground including taking down old one complete all as specified and as directed.

S&F triple pole mechanically operated air break isolator (GOD), vertical mounting, rotating type, mounted on insulator and steel frame with operating mechanism worked from ground level complete in all respect such as gun metal moving contacts and spring loaded gun metal fixed jaws, knife copper jumper strip etc, suitable for 11000 Volts grade, 50 Hz, with 9 insulator of rating upto 200 Amps including taking down old U/S GOD complete all as specified and directed.

Servicing of horizontal/vertical mounted GOD including greasing of all moving parts, tightning of male and female contacts including all connected parts of GOD to make it operate smothly complete all as directed and specified.

S&F drop out fuse single pole mounted on insulator, 11000 Volts grade double pole steel frame of current rating 50 Amps including taking down existing DO fuse and removing from site complete all as specified and directed.

Tightening and straightening of HT/LT overhead line of ACSR conductor of 3 Phase including GI wire of any size and span of upto 45 Meter by disconnecting and removing from insulators and tightening the conductor by using rope, chain pulley block etc and binding the conductor on insulators with and including binding wire and jumpers of ACSR complete all as specified and directed.

M&L for danger notice plate of 1.6mm thick mild steel sheet, vitreous enameled white, with letters of HT 11KV/ Transformer Capacity and conventional skull and bones in signal red colour and fixed with MS clamps, bolts and nuts of approved size for HT, 25x20 cm size including dismantling of old one complete all as specified and directed. Note : HT 11KV/ Transformer Capacity should also be mentioned on Danger Notice plate.

M&L for underground HT Cable fault locating testing with appropriate cable fault locator machine from authorised company complete all as specified and as directed. Note : Quoted rate includes complete cable fault testing and transport of machinery.

S&F brass terminal plate for mounting male contact of air break switch insulator including GI nuts and bolts washers etc as required complete all as specified and as directed.

S&F male contact for air break switch

S&F female contact for air break switch

S&F post insulator for air break switch with metal part suitable for HT 11 kV conforming to IS-5572-1972

S&F Drop out insulator suitable for 11 KV with metal part conforming to IS: 5572-1972.

S&F drop out fuses top/bottom contact.

Excavation in trenches not exceeding 1.50 m wide and n.exc 1.5 m in depth for foundation of poles, laying cables etc, not exc 10 sqm on plan and getting out in soft/loose soil including taking out brick protection etc complete all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25cm thick complete all as specified and directed.

Removing excavated materials (soils) not exc. 50m and depositing where directed at a level not exc. 1.5m above the starting point complete all as specified and directed.

Supply and spread river sand in trenches as sand cushioning to under ground cable for protection with fine river sand and provide required cover after punning down complete all as specified and directed. Note:- Only Punned thickness after punning will be measured and paid.

Supply and lay reinforced precast concrete cable cover class HV, Type 1, flat with size 300x180x40 mm all as specifide and directed.

M&L for hardcore of broken stone of boulder of gauge not exc 63mm deposited, spread and levelling in layers not exc 15cm thick watering and ramming to true surface all as specified and directed.

M&L for cleaning thoroughly HT steel tubular poles of any height and any description with necessary cleaning agent including scrapping of old corroded paint removing dirt/rust carefully and applying two coats aluminium paint including marking of pole numbers and colour washing the pole coping, complete all as specified and directed.

M&L for cleaning thoroughly two pole structure complete of any height and any description with necessary cleaning agent including scrapping of old corroded removing paint dirt/rust carefully and applying two coats aluminium paint including marking of pole numbers and colour washing the pole coping, complete all as specified and directed.

M&L for cleaning thoroughly the four pole structure complete of any height and any description with necessary cleaning agent including scrapping of old corroded paint, removing dirt/rust carefully and applying two coats aluminium paint including marking of pole numbers and colour washing the pole coping, complete all as specified and directed.

M&L for cable route indicator made of GI round plate 100 mm dia (marked with HT 11 kV) fixed on GI angle 25x25x5 mm (total length 500mm), height 200 mm above GL and 300 mm below GL shall be inseted on pit size 200x200x300, grouted in PCC 1:2:4 type B1 complete all as specified and directed including taking down the old cable route indicator.

Cutting & trimming of tree branches (any numbers), any girth and size touching to overhead lines and cleaning the distance 1.5 m both sides of overhead line with in a gap of span upto 50 m each and removing the same cleaning the site all as specified and as directed.

Disconnecting defective oudoor/indoor power distribution transformer of various sizes/capacities from HT/LT and earth conection and taking out from two pole structure/plinth and removing out complete transformer oil, storing the same in suitable containers (to be provided by contractor) opening top cover and lifting up the core assembly carefully to check the conditon of transformer winding core refixing the same after repair refilling the transformer oil after dehumidification and filteration (dehumidification and filteration to be measured and paid separately under respective items) including checking of leakage of transformer body and welding works required for making transformer body leak proof including transportation of transformer from site to work shop and re-installing the same at any site and painting of transformer as directed by at site. for transformer of capacity upto 100 KVA all as specified and as directed. Note: The materials required for rectification of defects such as rewinding/ transformer oil/ bushes etc will be measured and paid separately.

All as per item No.41 herein before but for transformer of capacity 125 KVA and up to 160 KVA all as specified and as directed.

All as per item No.41 herein before but for transformer of capacity 200 KVA to 250 KVA all as specified and as directed.

All as per item No.41 herein before but for transformer of capacity 300 KVA all as specified and as directed.

All as per item No.41 herein before but for transformer of capacity 500 KVA all as specified and as directed.

Removing the burnt out HT winding and rewinding with braided copper conductor to match with that existing gauge and No of turns all as specified and as directed.

All as per item No.46 here in before but for LT windings all as specified and as directed.

Removing the burnt out/damaged insulation of complete LV winding and reinsulating with new insulation of complete LV winding of transformer of capacities upto 500 kVA. Note: Quantity is measured on insulation carried out on each kg of LV winding.

Insulating process of the the of HT winding of transformer by keeping the rewinded core in oven with constant temparature of 80°C for 48 hours after completion of Rewinding of tranformer HT winding up to 500 kVA, complete all as directed.

Replacement of silica gel breather with and including new silica gel as per the existing size / model at site all as specified and as directed.

Replacement of temperature gauge as per the existing size / model at site all as specified and as directed.

Removing the burnt out LV bushes and replace the same with new brass LV bushes, nuts, check nuts etc complete as that of existing size / model, for transformers of capacity 63 kVA to 100 kVA all as specified and as directed.

All as per item No.52 above, but of capacity 125 kVA to 160 kVA all as specified and directed.

All as per item No.52 above, but of capacity 200 kVA to 250 kVA all as specified and directed.

All as per item No.52 above, but of capacity 300 to 500 kVA all as specified and directed.

Removing the burnt out HV bushes and replace with brass HV bushes, nuts, check nuts etc complete as per the existing size / model, for transformers of capacity up to 500 kVA all as specified and as directed.

Removing the burnt out LV side insulators and replace the same with new insulator complete as that of existing size / model, for transformers of capacity 100 kVA to 250 kVA all as specified and as directed.

Replacement of synthethetic rubberised cork sheet gasket 1/4" thick suitable for main body of transformer capacity 63 kVA to 125 kVA all as specified and as directed.

All as per item No.58 herein before but of capacity 160 kVA to 250 kVA all as specified and directed.

All as per item No.58 herein before but of capacity 300 kVA to 500 kVA all as specified and directed.

Removing the old HT OFF load tap changer and supply and install of suitable size with tapping arrangement 2.5% to 3.5% and on normal tapping of transformer capacity 63 kVA to 100 kVA all as specified and as directed.

All as per item No.61 above, but capacity 125 kVA to 250 kVA all as specified and directed.

All as per item No.61 above, but capacity 300 kVA to 500 kVA all as specified and directed.

Dehumidification and filteration of transformer oil at different locations by dehumidification plant including testing of oil samples both before and after filteration all as specified and as directed. The dielectric strength of the transformer oil shall be not less than 40 kVA with 2mm gap after filtration. Note : (a) The qoated rate shall be deamed to include necessary T&P for collection of transformer oil sample, testing kit, filteration plant and also include for making necessary connection to filtration plant from transformer and switch gear. (b) Test results obtained shall be recorded and produced to Engineer-in-charge and kept in record.

Supply and filling transformer oil low viscosity of approved make/quality with rupturing capacity 60 kV for 60 Seconds suitable for 11 kV tansformer as per IS 335 of 1983 all as specified for topping up/replacement all as directed at site. Make: Servo, Power Oil, Electrol. Note : The Transformer Oil shall be ISI Marked and brought in sealed container only.

Supply, fix, connect commission and test power capacitor bank MPP out door type operating 3 phase 415 Volt AC suply 50 HZ confirmed to IS:2834 complete with necessary bolts and nuts, earth strip connected from LT panel to capacitor bank including suitable copper cable single core multistranded with necessary lugs for inter connection of capacitor bank 5 kVAR complete all as specified including disconnecting and removing existing unserviceable power capacitor bank and all as specified and as directed.

All as per item No. 66 above but 7.5 kVAR

All as per item No. 66 above but 10 kVAR

All as per item No.66 above but 20 kVAR

Supply, fix, connect and test capacitive duty contactor for capacity 1 kVAR to 3 kVAR capacitor bank complete all as specified including disconnecting and removing existing unserviceable duty contactor and all as specified and as directed.

All as per item No.70 above but for 5 kVAR to 10 kVAR

All as per item No.70 above but for 20 kVAR

M&L for Earthing complete with galvanised steel earth plate electrode 600x600x6.3 mm thick buried directly vertically to a depth of not less than 2.25 m deep below ground level in gorund with the top edge of earth plate at a depth not less than 1.5 m below ground connected to GI earth strip 32x6 mm by means of bolts, nuts, washers, earth strip shall be protected by 40 mm dia GI pipe 'light grade', and connected to main distribution board/earthing test point, GI wire meshed funnel, altenate layer of charcoal and salt on all side to earth plate upto a thickness of 150 mm, filling of black cotton soil in earth pit upto GL, and connected to earth plate including necessary excavation & earthwork, PCC (1:3:6) type C1 earth chamber, 40 mm thick RCC cover (1:2:4) mix with 6mm dia nominal reinforcement @ 150mm c/c both ways etc complete all as shown in electrical Plate No.3 connected to earthing test point complete including testing on completion incl dismantling old u/s earthing and strip/conductor all as specified and as directed. Notes: i) Quoted rate shall deemed to include the cost of excavation and earth work in any type of strata, GI tubing, funnel with mesh PCC, RCC, earth test point etc. ii) On testing after completion, if desired earth resistance is not obtained, the earthing will be redone at no extra cost to deptt.

Earthing all as per item No.73 above but using galvanised iron strip 25x4mm as earthing lead.

Earthing all as per item No.73 above but by using copper plate 600x600x3.15mm thick electrode and 20x3mm copper strip as earthing lead

M&L for earth continuity conductor GI of 32x6 mm of GI strip fixed by means of bolts, nuts, check nuts and GI washers complete all as specified.

M&L earth continuity conductor GI of 25x4 mm of GI strip fixed by means of bolts, nuts, check nuts and GI washers complete all as specified.

M&L for Synthetic insulating mat (rubber matting), ISI Marked suitable for 1100 Volts electrical grade 2m x 1m x 19mm thick chequered top, ISI marked to be laid in front of LT panel board incl taking down bd one complete all as specified and directed.

M&L for danger notice plate of 1.6mm thick mild steel sheet, vitreous enameled white, with letters of HT 11 kV / Transformer Capacity and conventional skull and bones in signal red colour and fixed with MS clamps, bolts and nuts of approved size for HT, 25 x 20 cm size including dismantling of old one complete all as specified and directed. Note : HT 11 kV should also be mentioned on danger notice plate.

Disconnecting defective oudoor/indoor power distribution transformer of various sizes/capacities from HT/LT and earth conection and removing out complete transformer oil, storing the same in suitable containers (to be provided by contractor) opening top cover and to check the condition of LV, HV bushes and gasket kit and replacing with new LV, HV bhushes and Gasket kit and refixing the transformer top cover after filling the transformer oil and dehumidification and filteration (dehumidification and filteration to be measured and paid separately under respective items) of transformer of capacity 63 KVA to 125 KVA all as specified and as directed. Note: LV bushes, HV bushes and gasket kit and oil filteration is measured and paid seperately.

All as per item No.80 above but for capacities above 160 KVA to 250 kVA.

All as per item No.80 above but for capacities above 300 KVA to 500 kVA.

SANJEEV CONSTRUCTIONS

BHATNAGAR ASSOCIATES

Amutha Constructions