Repair / Maint of electrical Plant / Equipment and other allied works at 19 Wing and 14 BRD under GE (AF) Borjhar.

Amount

Taking down/ Removing of defective Servo Voltage Stabilizer of 200 KVA capacity (Oil Cooled) at site after disconnecting all electrical connection and transportation to workshop for repair works . Location: 14 BRD Make : Servo make india Ltd.

Taking down/Removing of defective Servo Voltage Stabilizer of 75 KVA capacity (Oil Cooled) at site after disconnecting all electrical connection and transportation to workshop for repair works . Location : Signal Section, 746 SU (AF NET ROOM), 59 SQN Inside Hanger, Signal Section near HQ Make : Volina/Vintek/Hindustan/Vintec electronic Laboratory.

Taking down/Removing of defective Servo Voltage Stabilizer of 30 KVA capacity (Air Cooled) at site after disconnecting all electrical connection and transportation to workshop for repair works . Location : 16AFDC, Zironi 19 Wing, PTT/LTT Bldg 19 Wing Make : Volina/Vintek/Vintec electronic Ltd.

Supply and fixing in repair of Servo control Panel & accessories (As per Existing site requirement) with following components which will be paid and measured separately under respective items all as directed by Engr-in-charge.

Servo Control Panel

Servo Circuit Card (PCB)

Multifunctional Meter (Type 1)

Multifunctional Meter (Type 2)

PCB Holder

Voltmeter

Ammeter

Trigger Transformer (9V/18V)

Push Button/ Auto Manual Switch/ Micro Switch/ Potentiometer/ Limit Switch/ Lever Switch

Indicator Light/DPDT/SPDT/SPST

Servo Control Box

Carbon Brush

Supply and fixing in repair of Servo Motors, Dimmer (Per Phase) and Transformer (Per Phase) As per Existing site requirement against item Srl No. 1.00, 2.00 & 3.00 with following components and capacity which will be paid and measured separately under respective items all as directed by Engr-in-charge

Dimmer Per Phase 10 Amp

Dimmer Per Phase 20 Amp

Dimmer Per Phase 40 Amp

Dimmer Per Phase 100 Amp

Dimmer Per Phase 250 Amp

Servo Motor stepless torque (3 Kg/cm) with resistance capacitor network (RC)

Servo Motor stepless torque (10 Kg/cm) with resistance capacitor network (RC)

Transformer (Per Phase) for 30 KVA Servo Stabilizer

Transformer (Per Phase) for 50 KVA Servo Stabilizer

Transformer (Per Phase) for 75 KVA Servo Stabilizer

Transformer (Per Phase) for 200 KVA Servo Stabilizer

M&L for filling the Voltage stabilizer 200, 150, 100, 30 KVA or any type of capacity) with new transformer oil [conforms to IS 335 :1993] before carrying Topup/Filling of Transformer oil the following shall be ensured, all as specified and directed. Make : Gulf/ APAR/ IOCL/ BPCL Note: Any other works reqd for Filling / Top up of transformer oil is deemed to be included in this rate.

a) Shut down power to the transformer and ground all of the metal eqpt that will be involved in changing the transformer oil. However all safety precautions as per OEM recommendations must be followed. b) Test the transformer insulation & if everything is normal as per OEM recommendations. c) Check for leaks the next morning. If no leaks are detected, energize the unit with out a load. Let it sit energized for at least three hours and then add the load. Recheck the unit the next day looking for leaks, pressure and temperature deviations.

M&L for Filteration/ Dehydration the existing transformer oil the Voltage stabilizer 200, 150, 100, 30 KVA or any type of capacity through centrifuges as per IS 1966: 2000, Para 13 complete all as specified and directed before carrying out dehydration of Transformer Oil. Note: (i) After reconditioning the Transformer oil the contractors should submit test reports of minimum one nos of sample from any GOVT recognised lab of following parameters a) Break Down Voltage b) Flash Point c) Interfacial Tension d) Precipitable Sludge e) Sediments and sludge f) Water Content g) Neutralization Value (Total Acidity) h) Resistivity and j) Di-electric Dissipation Factor (Tan Delta) k) Any other works reqd for replacement of transformer oil is deemed to be included in this rate.

Note : (ii) a) Shut down power to the transformer and ground all of the metal equipment that will be involved in reconditioning the transformer oil. However all safety precautions as per OEM recommendations must be followed. b) Test the transformer insulation & if everything is normal as per OEM recommendations then energize the unit without load and after that add the load. c) Replace the transformer drain plug and refill the unit with fire retardant oil, wait four to five hours and then re-test the transformer insulation and after the second insulation test, allow the unit to sit overnight. d) If any type of leaks of transformer detected, rectify the defects. e) After Filteration/Dehydration, dielectric strenth of each Transformer to be checked with air gap of 2.5 mm and the result shall be more than 45 KV and test report for each transformer to be submitted.

Taking down burnt isolation transformer of capacity 50/75 KVA from PCC foundation using suitable capacity crane after disconnecting LT cable. Opening the top/Side cover of the transformer, disconnecting and taking out complete core assembly and dismantling it for checking the serviceability of the coil winding, checking the condition of the body, cleaning the inside enclosure and remove sludge/dirt, cleaning the coils limbs, refixing of core, core assy, LT winding connection, terminal studs of LT sides and reassembling of transformer after repairs from authorised workshop, improvement of insulation resistance value within desired level by heating or any other method to required level complete all as directed to the entire satisfaction of Engr-in-Charge upto 50/75KVA. Note : Copper winding wire shall be measured and paid separately.

M & L for replacement of old copper winding wire with new copper winding wire including all required materials such as copper winding wire, cotton taper etc.

Excavating in trenches manually not exceeding 1.5m wide and not exceeding1.5 mtr in depth/ width for laying under ground cable / foundations and getting out in soft / loose soil all as specified and directed. Note : During excavation no mechanical excavator is permitted at site, contractor will do the excavation through manually.

Returning, filling in incl spreading, leveling, watering and well ramming in layers not exceeding 25cm all as specified and directed.

Removing of surplus excavating material not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point all as specified and directed.

M&L for sand cushioning for protection of lT under ground cable with screen wash sand and punning to proper reqd cover all as specified and directed.

M & L brick protection with old size sub class ‘B’ brick for PVC under ground cable protection in trench with width equal to length of brick laid dry and flat joining each other with gap between adjacent brick not exceeding 10mm over LT under ground cable all as specified and directed.

M&L for cement concrete in foundations, filling and mass concreteType C2 1:3:6, 40mm graded aggregate all as specified and directed.

Supply, laying connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable of size 16 sqmm 3.5 core (heavy duty), aluminium stranded conductor 1100 volts grade, laid through duct/ pipe / in trench etc. including cable glands & lugs complete all as specified and directed. Note : On ground Factory test to be carried out by the rep of MES and the contractor at manufacturer's godown / factory / testing lab situated at OEM's premises in front of OEM's technician / lab engineer and results shall be recorded duly signed by Engr-in-Charge, contractor and the technician / lab engineer. The material shall only be incorporated after getting satisfactory results and the rates quoted is deemed to be included for the above and no extra claim shall be admissible on this account. The test reports with satisfactory results duly signed shall be forwarded alongwith RAR failing which no payment shall be admissible against this item. Thickness of insulation and cables shall be ensured as per IS code by Engr-in-Charge using vernier calipers.

Supply, laying connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable of size 35 sqmm 3.5 core (heavy duty), aluminium stranded conductor 1100 volts grade, laid through duct/ pipe / in trench etc. including cable glands & lugs complete all as specified and directed. Note : All as per note given in BOQ Ser item No 41.00 here-in-before.

Supply, laying connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable of size 95 sqmm 3.5 core (heavy duty), aluminium stranded conductor 1100 volts grade, laid through duct/ pipe / in trench etc. including cable glands & lugs complete all as specified and directed. Note : All as per note given in BOQ Ser item No 41.00 here-in-before.

M&L for boring under roads or any other specified location by reqd T&P without disturbing the top surface of the road for insertion of GI Pipe of 50 to 100 mm dia etc complete all as specified and directed.

M&L 50 mm bore GI tubing “light grade” in trenches/ on pole for protection of cables complete all as specified & directed by Engineer-in-charge.

M&L for cable jointing kit for 1.1 KV grade for outdoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3.5 core PVC/ XLPE armoured aluminium conductor cable of size 25-50 Sqmm complete all as specified and directed by Engr-in Charge.

M&L for cable jointing kit for 1.1 KV grade for outdoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3.5 core PVC/ XLPE armoured aluminium conductor cable of size 70-120 Sqmm complete all as specified and directed by Engr-in Charge.

Professional charges for load Testing, carrying out preventive maintenance and certification of 2 Ton capacity EOT Crane.

Professional charges for load Testing, carrying out preventive maintenance and certification of 5 Ton capacity EOT Crane.

Professional charges for load Testing, carrying out preventive maintenance and certification of 10 Ton capacity EOT Crane. NOTE : The scope of work for item Srl No 23.00, 24.00 & 25.00 includes the following & rate quoted shall include deemed to the under mentioned works also :

(i) The repair / servicing / maintenance works on the EOT cranes shall be carried out by the trained / skilled technicians and shall conform to the standard engineering practice / code and as per the standard code/ norms of Government . (ii) The Cranes shall be inspected and serviced at the rate of minimum of one service per month. (iii) Attending to any break down within 24 Hours and restoring the service. (iv) The services shall include periodical cleaning, greasing, oiling and thorough inspection of various system / parts, brakes, hoist wires ropes, rail alignment, DSL cuurent collectors, bus bars, tightening of bolts, nuts, electrical terminals etc. and ensure their serviceability and proper function and safety.

(v) Replacement of unserviceable electrical and mechanical spares/ parts, cables, Pendant type controls, oil, grease, Electric control panels, Gantry rails, steel wire ropes, drums, brake system, brake liners & control switches, bus bars, bus collectors etc. as and when become unserviceable and ensure trouble free smooth operation (vi) Replacement of gear oil grade 90 / 140 once in a year (v) Cleaning the entire crane and painting once in a contract period. (vi) Carrying out the load test once in a year or as and when required after a major repair work. Loads will be arranged by the Dept.

(vii) Rewinding of Electrical motors , replacement of bearings etc. as and when required (viii) Arranging thorough Inspection by authorised Govt Licensed Inspector and submission of Inspection report in triplicate. (ix) Insurance coverage for all technicians, workers involved in the works. (x) Record / maintain register of all maintenance carried out, spares replaced etc. all as specified and as directed by Engr-in-Charge. (xi) Adherence to safety rules and regulations in respect of EOT Cranes (xii) All tools, instruments and plants requirted for carrying out the above works shall be provided by the contractor. (xiii) A list of Makes / brands of spares / materials to be incorporated in the works shall be got approved immediately after getting the work order. (xiv) Adherence to Security rules and regulations of the Ordnance depot.

Supply & fix in repair of MCBs single pole (SPN) 6 to 32 Amps with 10 KA breaking capacity of 'C' series in distribution boards confirming to IS/IEC 60898-1 (ISI marked) complete all as specified and directed.

Supply & fix in repair of MCB TP 25 to 63 Amps 'C' Series 10 KA, 415 volts complete all as specified and directed.

Supply & fix in repair of Thermal Overload relays suitable for MNX Type contactor with Relay range 0.9 to 1.5 A, complete all as specified and directed.

Supply & fix in repair of 3 Pole Power contactor MNX Type with AC3 rating 9 A and AC1 rating 25 A, complete all as specified and directed.

Supply & fix in repair of 3 Pole Power contactor MNX Type with AC3 rating 22 A and AC1 rating 32 A, complete all as specified and directed.

Supply & fix in repair of 3 Pole Power contactor MNX Type with AC3 rating 50 A and AC1 rating 85 A, complete all as specified and directed.

Shifting charges for Transporting Dummy Load to test the Crane from one Location to another Location within 2 KM radius through required T&P till completion of testing and finally bring back to its original location after successful testing.

Overhauling and servicing of following Endless stat conveyer Belt with rubber/polythene slat over lapping including compelete dismantling of the slats chains Dog assembly, cleaning, oiling greasing Tightening nuts and bolts and fixing of defective nut bolts washers and aligning the chain pulley, aligning of track, leveling of the machine if required along with replacement of all defective bearing and wornout spare parts (spare part will be considere separately) etc complete as per site requirement complete all as per directe by Eng-in-charge. Supply only following spars parts for above conveyor belt :

Main chain tyred wheel

Caterpillar tyred wheel

Chain link

Croos pin

Rubber slat

Chain point A & B

Overhauling and servicing of driver unit (motor and Gear box) with SMSR and driver shaft compelete all as specified and directed Engr-in-Charge

Repair and overhauling of convey belts along with complete Belt chains, Dog assemblies, Rollers, cleaning, oiling, Greasing, Tightening of nuts and bolts washers and aligning the chain pulley alinging the track complete all as specified and directed by the Engr-in Charge.

M&L for Earthing complete with copper earth plate electrode of size 600x600x3.15 mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to 20×3mm copper strip as earth lead by means of nuts, bolts, check nuts, washers of galvanized iron as steel, protected by galvanized iron pipe 40mm bore (Medium grade) all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 42 x 42 x10cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, earth testing point, charcoal or coke and salt in alternate layers with necessary earth work in soft / loose soil complete all as shown in electrical plate No 3 of SSR Part I including testing on completion all complete as specified and directed. (copper strip upto 7.5m including testing consider in this item).

M&L for Copper strip 20 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground.

S&F Heavy duty chain pulley block of lifting capacity of minimum 3 Ton with chain length of 6mtr double span, ISI marked all as directed by Engr-in -Charge.

M/s JK Jangid and Company (BID ID -3184115)

R K ENGINEERING ASSEMBLE (BID ID -3184295)

M/s Vishnu Enterprises (BID ID -3178498)