DEHUMIDIFICATION FILTERATION CERTAIN REPAIRS TO TRANSFORMERS DG SETS INCLUDING OTHER ALLIED WORKS UNDER GE GOLCONDA

Amount

Disconnecting defective oudoor/indoor power distribution transformer of various sizes/capacties 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 condition 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, capacity upto 100 kVA all as specified and as directed. Note: The materials required for rectification of defects such as rewinding/core/transformer oil bushes etc shall be measured and paid separately

All as per item No.1 here in before but for transformer of capacity above 100 kVA and up to 160 kVA all as specified and as directed.

All as per item No.1 herein before but for transformer of capacity 200 kVA all as specified and as directed.

All as per item No.1 here in before but for transformer of capacity 250 kVA all as specified and as directed.

All as per item No.1 here in before but for transformer of capacity 300 kVA all as specified and as directed.

All as per item No.1 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.07 here in before but for LT windings all as specified and as directed.

Replacement of silica gel breather with and including 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 up to 160 kVA all as specified and as directed.

All as per item No.11 here in before but of capacity 200 kVA to 250 kVA all as specified and directed.

All as per item No.11 here in before 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.

Replacement of synthethetic rubberised cork sheet gasket 1/4" thick suitable for main body of transforemr capacity upto 160 kVA all as specified and as directed.

All as per item No.15 here in before but of capacity 200 kVA to 250 kVA all as specified and directed.

All as per item No.15 here in 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 upto 100 kVA all as specified and as directed.

All as per item No.18 here in before but capacity 160-250 kVA all as specified and directed.

All as per item No.18 here in before butcapacity 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 result 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.

Cutting & trimming of tree branches any girth and size around overhead lines to a clear distance 1.5 m both sides of overhead line with in a span gap of HT/LT lines including clearing the site all as specified and directed.

Carrying out of `B' check as specified by respective manufactures of existing DG Set including replacmnt of `B' check kit, filters, such as oil fitters, by pass filter, fuel filter, lubricant oil filter, air filter and rubber gasket for filters complete with `O' rings including testing all as directed for 250 kVA DG Set. Note: Engine oil, required for `B' check shall be measured and paid separetely under relevant items of this schedule.

All as per item No.24 above but 200 kVA DG Set

All as per item No.24 above but 160 kVA DG Set

All as per item No.24 above but 100 kVA DG Set

All as per item No.24 above but 82.5 kVA DG Set

All as per item No.24 above but 40 kVA DG Set

All as per item No.24 above but 35 kVA DG Set

All as per item No.24 above but 30 kVA DG Set

All as per item No.24 above but 25 kVA DG Set

All as per item No.24 above but 15 kVA DG Set

Replacement of exisisting unserviceble automatic Voltage regulator with new one for the alternator of DG Set suitable for 250 kVA as that of existing make and model all as specified and directed .

All as per item No.34 above but 200 kVA DG Set

All as per item No.34 above but 160 kVA DG Set

All as per item No.34 above but 100 kVA DG Set

All as per item No.34 above but 82.5 kVA DG Set

All as per item No.34 above but 40 kVA DG Set

All as per item No.34 above but 7.5 to 35 kVA DG Set

Disconnecting all electrical cable connections from the dynamo assembly and taking down the dynamo assembly for carrying out repairs and complete overhauling the system including replacing the unserviceable parts like carbon brushes, bearings armature, burnt out coils etc reassembling and re-fixing the dynamo assembly to its original position and reconnect all disconnected the cable connections including testing complete for 250 kVA capacity DG Set all as specified and as directed .

All as per item No.41 above but 200 kVA DG Set

All as per item No.41 above but 160 kVA DG Set

All as per item No.41 above but 100 kVA DG Set

All as per item No.41 above but 82.5 kVA DG Set

All as per item No.41 above but 40 kVA DG Set

All as per item No.41 above but 7.5 to 35 kVA DG Set

Disconnecting all electrical connections from the self starter assembly of existing make and model and various capacity 24 Volts, 180 AH and taking down the self starter for carrying out repairs and complete overhauling the system including replacing the unserviceable parts like carbon reassembling and refixing the self starter to its original position and reconnect the 250 kVA DG Set capacity all as specified and as directed.

All as per item No.48 above but 200 kVA DG Set

All as per item No.48 above but 160 kVA DG Set

All as per item No.48 above but 100 kVA DG Set

All as per item No.48 above but 82.5 kVA DG Set

All as per item No.48 above but 40 kVA DG Set

All as per item No.48 above but 7.5 to 35 kVA DG Set

Drain out the old used engine oil from the sump and cleaning the sump including supply and filling the same with new engine oil (20W-40 or 15W-40) upto the required level completeall as specified and directed.

S&F change over switch of 63 Amps with sheet steel enclosure 4 pole 415 Volts, ON load type with side handle type complete after disconnecting and reconnecting of incoming and out going connections with necessary nuts, bolts washers and lugs including taking down of old unserviceable change over switch complete all as directed. Makes: Legrand, Schneider, ABB, Siemens, L&T.

All as per item No.56 here in before but 100 Amps.

All as per item No.56 here in before but 200 Amps.

All as per item No.56 here in before but 300/ 320 Amps.

All as per item No.56 here in before but 400 Amps.

Disconnecting and dismantling the fuel injection pump of any make and model for 250 kVA DG Set capacities duly isolating the fuel lines, opening and checking the pump, examining the delivery of fuel through fuel lines including replacing of pump repair kit and serviceability of FIP, complete servicing and calibrations and testing complete all as specified and as directed.

All as per item No.61 above but 200 kVA DG Set

All as per item No.61 above but 160 kVA DG Set

All as per item No.61 above but 100 kVA DG Set

Supply and filling in replacement of pre mixed coolant Ethyelene Glycol based coolent (Complete EG)/DCA-2 suitable of DG Sets of any Capacitys and all as specified and directed

Supply and fill Distilled water for batteries all as specified and directed

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 all as specified and as directed.

All as per item No. 67 above but 7.5 kVAR

All as per item No. 67 above but 10 kVAR

All as per item No.67 above but 20 kVAR

Isolate, disconnect, dismantle the burnt out lugs from the main switches and crimping with proper new lugs as per existing one including fixing insulation tape termination to main switch for 240 Sqmm of LT cables complete all as directed.

All as per item No.71 above but 120 Sqmm/150 Sqmm/185 Sqmm cables.

All as per item No.71 above but 50/70/95 Sqmm cables.

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 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.

M&L for MCCB 4 pole, 415 Volts, adjustable type, 100 Amps with breaking capacity 16 kA complete with all connected accessoires including taking out old unserviceable one all as specified and directed. Makes: Legrand, Schneider, ABB, Siemens, L&T.

All as per Item No. 75 above but 100 Amps 25 kA

All as per Item No. 75 above but 160 Amps 25 kA

All as per Item No. 75 above but 160 Amps 36 kA

All as per Item No. 75 above but 200 Amps 36 kA

All as per Item No. 75 above but 350 Amps 36 kA

All as per Item No. 75 above but 400 Amps 36 kA

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 for synthetic insulating mat (rubber matting), suitable for 1100 Volts electrical grade, size 2000x1000x19mm thick chequered top, ISI marked to be laid in front of LT panel board complete all as specified and directed. Make: Dunlop or any ISI approved with ISI mark

M&L for Danger notice boards 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 MS clamps bolts and nuts of approved size for HT 25x20cm size all as specified and as directed.

Supply and replace existing u/s digital Ammeter including suitabale CTs as that of existing range all as specified and directed.

Supply and replace existing u/s Digital Voltmeter 96x96 mm as that of existing range all as specified and direcated.

Supply and replace existing u/s indicating lamp LED type suitable to operate on 230 Volts AC Supply of R/Y/B colour as per site requirement all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth for foundation, laying of poles in trenches and getting out in hard/dense soil complete all as specified and as directed.

Returning, filling including spreading, levelling, watering and well ramming in layers not exceeding 25 cms thick complete all as directed.

Removal of surplus soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as directed.

Supply and spread approved dry river sand/M sand for cable laying /foundations/Cable duct including watering and consolidation, cushioning of cable laid in trenches complete all as directed. Note:- Punned thickness will be measured for payment purpose

M&L for common burnt bricks sub class ‘B’ of size 230x113x75mm for cable protection complete all as directed.

M&L for precast concrete cable cover, class LV, type 1 with peak, size 250x150x 40 mm Make: Any ISI approved with ISI mark

M&L for cutting the existing black top roads/any hard standing to a width of 45cm and 60cm in depth (min size) and max size according to site condition for laying GI pipe/cable including returning, filling in watering and well ramming and top surface of hard standing or road 15 cm thick shall be made good with PCC 1:2:4 type B1 using 20 mm graded stone aggregate, complete all as specified and directed. Note: GI pipe/cable shall be measured and paid seperately.

S&F on load change over switch of capacity 100 A front operated 415 Volts, 50 Hz conforms to IS 13947-3 suitable for existing LT panel. Make: Legrand, Schneider, ABB, Siemens, L&T.

All as per Item No. 97 above but for 160A capacity all as specified and directed.

All as per Item No. 97 above but for 250 A capacity all as specified and directed.

All as per Item No. 97 above but for 320A capacity all as specified and directed.

M&L Galvanised iron tubing 100 mm dia light grade laid in trenches/floors/walls for earth lead protection and cables at road crossing etc complete including taking out rusted unserviceable one all as specified and directed.

All as per item No.101 above but 80mm GI pipe medium grade

All as per item No.101 above but 50mm GI pipe medium grade

Supply and Laying or fixing or passing through pipe, 1100 Volts heavy duty cable, with XLPE insulated, aluminium conductor, served with an inner sheathing of PVC tape armoured with galvanised steel wire or tape and overall PVC sheathed including connecting testing and commissioning complete with necessary lugs nuts, bolts, washers and glands all as specified and directed for 240 Sqmm 3.5 Core.

All as per item No.104 above but 185 Sqmm 3.5 Core

All as per item No.104 above but 150 Sqmm 3.5 Core

All as per item No.104 above but 120 Sqmm 3.5 Core

All as per item No.104 above but 95 Sqmm 3.5 Core

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

Disconnecting defective oudoor/indoor power distribution transformer of various sizes/capacties 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 bhushes 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 upto 160 kVA all as specified and as directed. Note: LV & HV bushes, Gasket kit, oil filteration is measured and paid seperately.

All as per item No.110 above but for capacities above 160 kVA upto 315 kVA.

All as per item No.110 above but for capacities above 315 kVA upto 500 kVA.

Disconnecting all the incoming and outgoing rubber hoses and draining out the water from the choked radiator assembly of the existing make and model and various capacities of DG Sets of 100 kVA to 250 kVA and taking down the radiator assembly by unscrewing all mechanical connections from the existing mounting, transporting the same to civil workshop for carrying out servicing, opening the top and bottom covers of radiator assembly cleaning thoroughly the chocked pipe of the radiator by using detergent, lime caustic soda, cotton etc., cleaning of all the deposited sediments in the pipes/tubes including arresting of leakage by means of soldering, brazing and transporting back to site and refixing the same in its original position with suitable size nuts, bolts and washers etc., for the following DG Sets all as specified and directed.

Renewal of battery cable leads of copper conductor and with brass lugs terminal, for the 12V 180 /200 AH batteries to self stater as that of existing size and length complete all as directed

Drain out the fuel from the fuel tank of DG Set of capacity upto 600 Ltrs and above and keeping it in separate container safely, disconnecting all the fuel lines and other mechanical connections and taking out the fuel tank for cleaning, internally and externally by removing all the accumulated dirt/ sediment, leak testing the tank and welding/ brazing including refixing the tank in its original position, replacing the drain plug and PVC pipe, calibrating the fuel tank, refilling the drained out fuel back into the tank and marking of liters in gauge and provision of locking arrangements complete all as directed

All as per item No.115 but of fuel tank capacity above 600 ltrs to 1000 Liters

Supply and replace of unserviceable Radiator Rubber Hose pipes upto 1.5 m length all as specified and directed.

Supply and replace hose clamps of DG Set all as specified and as directed.

STANDARD AGENCIES