Tender For Repair And Maintenance Of Solar Power Plant Under Age E/M Ge (Af) No 2 Jodhpur; 1 HT 33KVA OUTDOOR TYPE CT & PTMaterial & Labour for removal of bushing & terminalsandcleaning CT/PT33 KVby CTC solution on its insulators and teeths and checking the leakage if any from the CT and refixing the same after replacing the defective/faulty parts and checking the oil level and oil dielectric strength (BD test) and proper connection checking/tightening of control wiringand testing with the following :- (i) Meggar testing between phase to phase & phase to earth.(ii)Testing the terminal connection and its working for the calibration and tripping of the relay for the protection of HT 33KV line. Make it functional to the entire satisfaction of and as directed by Enginer-in-charge 2 Supply and fix in replacement of Power Pack for 33 KV VCB/RMU suitable for incoming supply 220/110 volts and output 110/24 volts DC supply all as per existing with wiring complete all as directed by Engr-in-Charge.Note : - The contractor has to visit the site to check the existing system of 33 KV VCB/RMU for installation of power pack unit. 3 Dismantalingtopcoveroftransformerofcapacity 1250 KVA , anymakeforrepair / replacementofHT/LTbushingoftransformer, orforreplacementoftopcovergasketorforinspectionof transformerorforinternalrepairsoftransformerall includingdraining transformeroilasrequired/ uptotherequiredlevel,re fittingthetopcoveroftransformeraftercompletionoftheworkincluding testing complete etc all as specified and directed.Note - spare parts will be measured and paid seperatelly 4 M & L for replacement of defective silica gel breather with silica gelcomplete set 1250 KVA 5 M & L for replacement of LT bushingof brass with neoprene rubber bush forTransformer 1250KVA capacities.allas directed by EIC 6 M & L for replacement of HT bushing of brass of transformer ofcapacity 1250 KVA.allas directed by EIC 7 Supply & filling of transformer oil insite for toping up the level of oil having dielectric strength between 55-65 KV during filling after initial filtration of any capacity complete all as specified and directed by engineer -in- charge. 8 M & L for dehydration /filtration of transformer oil in existing pole mounted/floor mounted transformer/Voltage stabilizerwith the help of dehydration/filtration machine to achieve the dielectric strength of transformer oil not less than 50 KVallas directed by EICNote:-(i) Dehydration/filtration machinewill be arrange by the contractor and hewill make his own arrangementand to carry the machine at various sub stations including vehicle and towing arrangement.Therate shall be inclusive of all above. 9 M&L of checking of HT 33KV cable of any size by means of HT Cable Fault Locator Machine by requisitionfor removal of HT cable faults complete all as specified and directed 10 Supply and fix in repair cable joint kit for 33 KV grade cable for outdoor termination Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium cableof size185 sqmm complete all as specified and directed by the Engineer - in - Charge. 11 Supply and fix in repair Cable joining kit for 33 KV (Earthed) grade cable for straight through Heat shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 185 sqmm complete all as specified and directed by the Engineer - in - Charge. 12 Supply and fix in trench/wall / pole XLPE insulated PVC sheathed armoured heavy duty HT electric cable with aluminium stranded conductor 33000 volt grade of sizes185 Sqmm 3 Core complete all as specified and directed. 13 Supply and fix in trench/wall / pole XLPE insulated PVC sheathed armoured heavy duty LT electric cable with aluminium stranded conductor 1100 volt grade of sizes185 Sqmm single Core complete all as specified and directed. 14 Material & labour for Repair and maintananceofrelay set (O/C and E/F relays) of any make for 33KV VCB panel, removing andrefixing (the contacts NO+NC should be cleaned by CTC solution and adjust if electromagnetic) with faulty part replaced and calibrate the relays by relay testing kit & proper setting as per reqd load & time delay and fixing the relay set in HT panels complete all as specified and directed by Engr-in-charge. Notes :- (i) Testing shall be carried out by primary and secondry injection kit. (ii) Spare parts shall be measured and paid separately under supply only. (iii) The tripping system should be in accordance with the incomer of the affected feeder and setting should be maintained such that fault does not carry beyond the particular feeder due to overload, 3 phase fault, earth fault etc.(iv) The VCBs/RMUs are installed at CPH, Tech area, 33 SU Site 1A & SITE 1B and VCBs are of different type of makes installed at site like Crompton Greaves, Alstom,Schneider, Ashida, Siemens,L&T, C&Sor any other of relays available on the site. 15 M & L in repairslightening arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 13000 volts. 16 Repair/ major overhauling of On Grid connected/type 1000 KWp capacity solar PV plant ground mounted on steel frame after disconnecting of all strings, testing of solar panel for its serviceability by carring out IV curve tracing and EL testing to be done onsolar modules to segregate power output based module, IR test to be carried out on all string cable to check usability of cables, replacement of fuse and fuse holders in array junction boxes, IR test to be carried out on all AC cables, breakers to check usability of cables and breakers, testing of AC string, testing of DC strings, connector, connecting links, refixing of serviceable string, and reconnecting and assembling of solar systemcomplete all as directed at siteas per conditions maximum tempreture rise upto 50 degree celscius to be considered for the following components/Sub System and meeting the specification at site as per eixsting 1000 KWp SPV plant at Air force Station Jodhpur, Note : 1. Major Spare parts as required to make the solar Power plant as listed below shall be measured and paid seperately. 2. All spare parts required to make the solar plant functional except below shall be deemed to be included in unit quoted rates. 3. The contractor may visit the site before quoting to assess acutal condition of Solar power Plant.4.Anything missed out but necessarily required at site to make the solar Power plant functional at site shall be provided by the contractor and cost of the same is deemed to be included in unit quoted rates. 17 Supply, fixing, connecting and testing solar module panel, 325 Wp,complete all as per existing including providing of new nuts, bolts washers etc,in and including dismantling and takingdown of exsting solar module and kept aside in safe custody for schedule of credit complete all as directed at site 18 M&L for Repair/overhauling of junction boxes (SMBs) as per existing design of inputs and reconnecting of all incoming strings after necessary repair/overhauling of junction boxes by removing of dust/dirt and making SMBs completely functional complete all as specified and directed at site 19 Supply, fixing, connecting and testing of string cables 1500 VDC, 4 sqmm, single core with connector and tie complete all as required at site and directed by Engr-in-charge in and including taking down of old unserviceable string cable 20 M&L for Repair of unserviceable WMA/SCADA system installed at solar Power plant by testing of all cables, servicing of WMA/SCADA System, disconnecting and reconnecting of cables after testing, replacement of unserviceable parts of any type and size, wires, terminals, PVC Enclosed panels IP 55, 500 x 500 x 250, RS 485 communicationsurge protetion, Power SPD, SMPS, Protocol converter, AI card 16 CH Etherne switch 8 Port, and other material required at site for making the WMA/SCADA system completely serviceable and functional complete all as specified and directed at site 21 M&L for Repair unserviceable Desktop system installed at solar Power plant by testing of all cables, desktop System of core 5-8th Gen, 256 SSD, 16 GB RAM, disconnecting and reconnecting of cables after testing, replacement of unserviceable parts of any typeand other material required at site for making the Desktop system for WMA/SCADA system of solar power plant completely serviceable and functional complete all as specified and directed at site 22 Supply and fix in replacement of string Monitoring cards installed at SMBs of solar Power Plant as per existing Make or model and suitable for fulfill the required data of SCADA system complete all as directed by Engr-in-Charge. 23 Supply and fix in replacement of surge protection device, nominal PV voltage 1000 vdc, residual current leakage current to ground < 0.2mA, current withstand short circuit PV 15000A, PV operating voltage 1060 VDC normal discharge current -20 KA max discharge current - 40KA, complete all as directed by Engr-in-Charge. 24 M&L for Repair/complete overhauling/Preventive maintenance ofABB Invertor (PVS-800, 630 Amp).installed at solar Power plant by testing/serviciability of all AC Contactors, DC Contactors, Busbars, inverter cabin trolly, control cables, DC Isolation switch, AC Isolation switch, RDCU unit, display unit, Cooling fans, DC/AC cables,disconnecting and reconnecting of cables after sericing, system completely serviceable and functional after preventive maintenance of Inverter,complete all as specified and directed at site 25 M&L for Software upgradation ofABB Invertor (PVS-800, 630 Amp).installed at solar Power plant by authorised vendor/firm/representative of OEM, system completely serviceable and functional after software upgradation of Inverter,complete all as specified and directed at site 26 Supply and fix in replacement of Door fan ofABB Invertor (PVS-800, 630 Amp).installed at solar Power plant as per specification/make/model/type of existing unserviceable door fan installed in inverter, completely serviceable and functional after repalcement of door fans of Inverter,complete all as specified and directed at site 27 Supply and fix in replacement of Display cable ofABB Invertor (PVS-800, 630 Amp).installed at solar Power plant as per specification/make/model/type of existing unserviceable display cable installed in inverter, completely serviceable and functional after repalcement ofdisplay cable of Inverter,complete all as specified and directed at site 28 Excavation in trenches n.exc 1.5 Mtr wide and n.exc 1.5 Mtr in depth in hard/dense soil and getting out complete all as directed. 29 Returning, filling in trenches including spreading, leveling, watering and well ramming in layers n.exc 25cm complete all as directed. 30 Removal of excavated material to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and as directed. 31 M&L sand cushioning / filling for underground cable protection, filling under floors ,consolidated and compacted with clean dry sand complete all as specified and as directed. 32 M & L stone Slab40 to 50 mm thick rough dressed jodhpur stone patties/ slab cover in trenches for protection of cable 25 to 30 CM wide and thickness not less than 50 mm in length lay dry abutting each other with gap between adjacent slab not exceeding 10 mm over sand cushioning. 33 Supply and fix in replacement ofcurrent Transformer including testing, calibration of 33 KV single phase indoor,Resign Cast (metering & protection ) for 33 KV VCB/RMU ratio 100/50 / 5-5 Amp complete, IS2705/1992 and IEC 60044-2 and all as specified and directed by Engr-in-Charge. 34 Supply and fix in replacement of Potential Transformer includingtesting calibration of 33 KV single phase indoor, Resign cast PT of ratio 33KV/√3/110/√3 class 1.0, burden 100 VA/Phase insulation level 28/75 KV, voltage factor 1.2 Cont and 1.5 for 30 Sec, confirming to IS-3156 incl suporting insulator complete all as specified and directed by Engineer-in-charge. 35 Supply and fix in replacement ofTripping coil with assembly 110 VAC for 33 KV VCB/RMU complete all as specified and directed by Engr-in-Charge. 36 Supply and fix in replacement ofClosing coilwith assembly 110 VAC for 33 KV VCB/RMUcomplete all as specified and directed by Engr-in-Charge. 37 Supply and fix in replacement ofTNC switch 2 pole for 33 KV VCB/RMU complete all as specified and directed by Engr-in-Charge. 38 Supply and fix in replacement ofspring charging motor for 33 KV VCB/RMU complete all as specified and directed by Engr-in-Charge. 39 Material and labour for repair/ replacement ofdefectivecompete controlwiring ofcurrent transformers, ampere meter, voltmeter, potential transformers, circuits of indoor/Outdoor type 33/11 KVVCBS using2.5 sqmmcopperflexible PVC insulatedwire and suitablesize ofcopperlugs andthimbles and connector and testing complete allasdirected at site by Engr-in-Charge.
