Bharat Heavy Electricals Limited-BHEL has published O And M Works Of 100 Mw Ac Fspv Ntpc Ramagundam Plant Operation And Maintenance Works Of 100 Mw Floating Solar Pv Power Project At Ntpc Ramagundem, Telangana.. Submission Date for this Tender is 30-05-2022. Solar Power Plants Tenders in Peddapalli Telangana. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 18-May-2022 | Corrigendum1 | Technical Bid | 23-05-2022 |
| 2 | 20-May-2022 | Corrigendum2 | Date | 30-05-2022 |
| Sl. No. | Item Description |
| 1 | O&M activity |
| 2 | Management of complete O & M activities by O&M incharge. I. One (1) Engineer (B. Tech in Electrical Engg.) with 33 kV Power station/switchyard working experience to be appointed who will be the overall O & M in-charge of the plant. Major responsibilities of O&M incharge : (i) Allotment of work to all the O&M staff and supervision of O&M works as per schedule approved by BHEL. (ii) Sending Daily, weekly and Monthly report to BHEL by mail. (iii) Interaction with customer / NTPC/ SLDC etc.iv) Co-ordinating and liasioning with SRLDC for declaring forecast and DSM data on daily basis as per grid protocol. (v) Coordinating with sub-station upon grid failures /cable faults and implementing the needful steps to restore the plant to normal operation. (vi) Monthly downloading of data from ABT meter using CMRI / as instructed by NTPC. (vii) Maintaining plant records and log books, stock register and reporting to BHEL. (viii) Trouble-shooting and Updation of SCADA system if required as instructed by BHEL. (ix) Theft incidents: immediate reporting to BHEL, filing FIRs at police stations on BHEL behalf, coordination for site inspection by insurance companies and clearance of insurance claims, logging of events (date, time) and maintaining records. (x) Accidents: immediate reporting to BHEL, coordinating with hospitals, logging of events (data, time) and maintaining records. Payment for Services of O & M in Charge shall be as per attendance records maintained and deductions will be passed in case of non-availability (Proportional basis). |
| 3 | Plant Operation works such as (i) Logging of DC, AC, grid parameters (current, voltage, power, energy) at PCUs, HT panels, transformer temperatures, equipment tripping/ breakdown, grid outage, SCB string currents as per BHEL formats. (ii) SCADA data station / HMI PC operations/operation for daily monitoring of weather parameters, trend graphs and urgent reporting to BHEL in case of any problems / anomalies observed with any of the parameters, resolving communication issues between SCADA and other equipment, healthiness of all equipment. (iii) Supervision of electricians deployed per shift. Minimum 3 (Three) technicians (with Diploma in Electrical with 3 years of experience). They should have necessary skills in operating electrical / electronic / mechanical equipment, taking measurements, data logging / maintaining registers, preparation of reports in computer. The O&M works mentioned are indicative. All the activities required for O&M shall be carried out by technicians as instructed by BHEL. Monthly reports to be prepared and submitted by mail to BHEL for the various parameters including Earth resistance, String current, Energy exported etc. as per report formats finalized by BHEL. Diploma technician must be certified for operating installations of 33KV and above. Certificate / license copy to be submitted to BHEL before commencement of O&M works. One technician to be posted in Night shift operation. Measurement of above activities shall be done as per O&M Log book records maintained. Deductions shall be passed in O&M Contractor Bills for any activities not completed. |
| 4 | Electrical operation works (i) Logging of plant operation data as instruction of technicians. (ii) Attending faults in electrical systems and reporting Minimum 8 (Eight) electricians with field experience in solar plant to be deployed to cover 40 nos. Inverter Floating Platforms, 4 no. floating polling stations, one CMCS Building (At Reservoir area), One ICOG Platform and 2 nos. panel rooms at NTPC Switchyard (6 KM away from Reservoir). They should have necessary skills in attending faults in DC/AC systems under supervision of technicians. The O&M works mentioned are indicative. Two electrician to be posted in Night shift operation. Measurement of above activities shall be done as per O&M Log book records maintained. Deductions shall be passed in O&M Contractor Bills for any activities not completed. |
| 5 | Carrying out Preventive and Breakdown maintenance as per O & M schedule / OEM guidelines / maintenance manual such as a) Cleaning, tightness checks, lubrication and other maintenance of equipment -PCUs, HT panels, Inverter transformers, Auxiliary transformers, ACDB, UPS, Battery banks, SCBs, SCADA, WMS, Fire Alarm, ESE Lightning arresters, earthing, light fitting -indoor and outdoor etc. b) Replacement of gaskets, Rectification of Oil leakages in all transformers. c) Repair/ replacement of failed 33KV cable inside plant including underground transmission till evacuation point at NTPC, replacement of failed 33 kV termination/ jointing kits (Including supply of repair materials). d) Trouble-shooting of solar array problems as DC earth fault, OFC/ communication cable faults, replacement of damaged PV modules, SCB components etc. (e) Monthly earth resistance measurement and recording value on the Earth chambers and checking of underwater earthing (f) Watering of earth pits for CMCS, ICOG platform Minimum 4 technicians (Diploma/ITI) and minimum 4 Labour to be allocated for this activity. (i) List of equipments is indicative. Maintenance of all the equipments installed in plant is in vendor"s scope. (ii) Periodic maintenance shall be preferably carried out during early morning or evening to avoid generation loss. (iii) Whenever a fault has occurred, the contractor has to attend to rectify the fault & the fault must be rectified within 48 hours from the time of occurrence of fault. (iv) Major spares such as complete equipment failures of CT, PT, LA, Breaker, Isolator, SCB, PCU, transformer, cables, HT termination and jointing kits etc. if any will be supplied by BHEL. (v) Minor spares and consumables such as MCBs, all type of Fuses (for SMB, PCU and for all other equipments), Lights in PV area, switch yard & buildings , fans, indication lamps, gaskets, silica gel, transformer oil for top-up. Acid for battery, Fastners, termination kits, cable lugs, glands and heat shrinkable sleeves of all required sizes, MC4 connectors, PCU dust filter,sanitary fittings. if required shall be supplied by vendor. vi) In case of Maintenance activity / failure / damage / accident / replacement / repair required for any of the plant equipment such as Solar modules, HT panels, all transformers etc. or for any other site related activities, unloading, erection, installation, charging, co-ordination with agencies involved, etc., shall be in O & M vendor’s scope. Arrangement ofCrane / hydra / JCB/ additional labour hiring / Ladder, etc., for arranging replacement of failed equipment shall also be in the scope of O&M vendor. (vii) All tools and tackles, measuring instruments, testing equipment required for maintenance activities shall be arranged by O&M vendor. Measurement of above activities shall be done as per O&M Log book records maintained. Deductions shall be passed in O&M Contractor Bills for any activities not completed. |
| 6 | Operation & Maintenance of Module washing System installed by BHEL. Washing of SPV modules fitted on floater – Each 2.5 MW-AC Array has approx. 11200 PV Modules. Each PV modules must be cleaned at least thrice in a month by using water and Wiper, as per requirement of BHEL. Use of wiper/mop is must. Cleaning of modules shall be carried out block wise. All type of tools & tackles required for maintenance of module washing system shall be arranged by contractor. Cleaning of floater and pathways also need to be attended as and when required. Bidder shall supply minimum 80 number of life jacket and maintain the same throught O & M period. Personnel enterting the pond and pond embankment area must wear the same all the time. in case of faliure to wear, bidder are liable for fine imposed by BHEL/NTPC. (i) Required labourers (Minimum 80 Nos. for completing 3 washing cycles in a month) and 2 supervisors to be deployed to complete this activity within the schedules time period. (ii) Reservoir Water shall be used for the modules cleaning. (iv) All the consumables for cleaning of modules such as cleaning brushes, mopping sticks etc. shall be arranged by vendor. Detergent/any other chemicalshall not be used for module cleaning without written permission from BHEL/NTPC. (v) In case of natural cleaning of solar modules by rains and cleaning not carried out, no payment will be done for that cycle within the month. (vi) Three cycles of cleaning by wiping of entire solar modules has to be completed in a month by the vendor, as directed by BHEL. Vendor to depute minimum manpower indicated above. In case, lesser quantity of solar modules are cleaned, proportionate payment will be made for quantity of solar modules cleaned up to last day of each month. (vii) Each solar module is of 2m x 1m size and mounted on each Pontoon. (viii) The module washing system installed by BHEL comprising submersible/open well pumps, HDPE pipe network, Valves, hose pipes etc. O & M of the complete system shall be in contractor"s scope. All type of tools and tackles required for maintenance of MWS shall be arranged by contractor. Measurement of above activity shall be done as per washing cycle basis of complete plant. Deductions shall be passed in O & M Contractor Bills for any incomplete work. |
| 7 | Deployment of 12 (Twelve) Unarmed Security Guards 24x7including national holidays for the entire plant including pond side and at switchyard to be deployed as per requirement of site. At least 1 number of Porta cabin shall be provided for running Security operations and at least 3 Portable Watch cabins/Tents shall be supplied and located at observation points around the reservoir for stationing Security guards during and day and night duty shifts. Security staff shall have Mobile or other communication system for conveying security alerts among themselves and to the supervisor. One motorized rubber inflatable dinghy suitable for two security personnel shall be kept for patrolling in water. Security personnel doing patrolling in boat shall wear life vests. (i) Securing entire plant area- 700 Acres reservoir area along periphery. (ii) In case of theft, FIR to be lodged by O&M vendor. (iiI) If theft incidents are due to negligence of O&M vendor such as shortage of security, the loss recovery shall be done from vendor. Considering the large area to be patrolled around the floating solar array inside the reservoir premises, the security personnel shall undertake regular Beat duty on motorbikes for area patrolling to provide quick response in case of any theft/incidents. Security shall be trained in firefighting also. Security persons should carry Day and night vision Binocular with good range to keep watch in plant area during day and night. At least 1 number of Porta cabin shall be provided for running Security operations and at least 3 Portable Watch cabins/Tents shall be supplied and located at observation points around the reservoir for stationing Security guards during and day and night duty shifts. Security staff shall have Mobile or other communication system for conveying security alerts among themselves and to the supervisor. One motorized rubber inflatable dinghy suitable for two security personnel shall be kept for patrolling in water. Security personnel doing patrolling in boat shall wear life vests. Measurement of Services of Security guards shall be as per attendance records maintained and deductions will be passed in O&M Contractor Bills in case of non-availability at site. |
| 8 | General maintenance works such as Daily housekeeping activity for Main Control room and ICOG Platform including toilets, Garbage removal from solar array area, grass cutting at switchyard, and for clearing vegetation which may foul with Ropes and wires of the floater system from the bund area, repair of plumbing works, Sintex tanks, cleaning of sewerage lines, septic tanks, soak pits if required, minor civil repair works such as leakages, doors, windows, rolling shutters, ventilators, floor/ tiles/ wall cracks, cleaning of drains etc. (i) Required labourers (Minimum 1 for general Housekeeping and 1 nos. for grass cutting and specific housekeeping work) to be allocated for this activity. (ii) All the buildings - Main Control room and ICOG Platform to be mopped daily and surroundings to be kept clean. (iii) All toilets to be cleaned daily. (iv) Regular Grass cutting at ICOG and CMCS surrounding area, switchyard, and for clearing vegetation which may foul with Ropes and wires of the floater system from the bund area. (v) All tools & consumables required for this activity shall be in vendor"s scope. Measurement of above activities shall be done as per O & M Log book records maintained. Deductions shall be passed in O & M Contractor Bills for any activities not completed. |
| 9 | Floater and Floater Pathways maintenance : Periodic maintenance shall be carried out for checking the floater condition, sign of crack/ damage, Tightening of mooring ropes and any other maintenance needed to maintain healthiness of floating island as per OEM"s O & M Manual. This includes replacement of faulty PV Modules, floaters used for PV modules, nut, connections between floaters etc. Spares required for Floater maintenance shall be provided by BHEL. O & M of floating platform blocks shall be as per schedule of Floater OEM’s attached with tender enquiry. Minimum 4 nos. manpower is required for Floater Maintenance works like checking and tightening of HDPE nuts for floater connection and PV module Fasteners, cap fittings, cable tie locks etc. as per O&M manual of OEM. In case of any abnormalities observed in floating platform, the same to be informed immediately to OEM. |
| 10 | Ferrocement Floating Platforms for electrical equipment Maintenance: Periodic maintenance shall be carried out for checking the floater condition both inside and outside, sign of crack/ damage, tightening of mooring ropes and any other maintenance needed to maintain healthiness of Ferrocemnt Floating Platforms as per OEM"s O & M Manual. 1. Weekly checking of freeboard and tilt of the platforms and record to be maintained in register. 2. In case of reduced free board in any platform, removal of condensate water inside Manhole and putting silicon sealant for manhole covers. 3. Cleaning of platform surface to allow easy water run-off and checking air tightness of Manhole covers. 4. Conduct visual inspection daily and report on any damage due to boat hits, cracks and any other abnormalities to BHEL. 5. One no. Dewatering pump diesel/petrol operated shall be required at each LPSFP (i.e. total 4) for dewatering of platforms in case of leakage/spill over due to wave. Each pump will cater dewatering requirement of all 10 IFP’s of that LPSFP. The pump shall be portable type and easy to handle. Suggested make and model shall be Honda 2.9 Kw Portable Dewatering Pump, Model Name/Number: WB30X 6. Contractor has to ensure that there is the tilt of Ferrocement platforms shall not be more than the acceptable limit marked on platform due to water entry in platforms. For this, a surface level sensor to be installed on each Floating platform for providing information on excess tilt due to water entry. |
| 11 | DRONE INSPECTION WITH THERMAL IMAGING OF FLOATING SOLAR PLANT Frequency of drone survey for thermography shall be weekly per block during the PG test period of the plant for period of three to four months and thereafter shall be monthly once per block during the regular O&M period. Experienced operator shall be made available for operating and conducting the regular Drone survey of the system as above till end of the O&M period. Maintaining and upkeep of the Drone with accessories such as Thermal Camera, software and hardware for obtaining and analyzing the survey inputs for O&M purpose shall be under scope of the O&M vendor. Necessary approvals shall be obtained from Owner (NTPC) for movement of the drone over the reservoir. |
| 12 | Annual maintenance of all transformers with respect to BDV measurement, PPM measurement and Oil filtering as required, DGA test, tightness of cables, earthing and hardwares, replacement of gasket, paint touchup, arresting oil leakages and oil top-up work, as applicable of all transformers (33KV and aux transformers) and other related electrical works. Through OEM / competent testing agencies as approved by BHEL. All required tools, tackles, testing and measuring instruments, Oil filtration kit, DG set, welding machines and transformer oil for top-up etc. to be arranged by vendor. The Annual Maintenance activities shall be carried out as per OEM schedule and will be measured only when all activities listed are completed. Payment for any Maintenance not carried out shall be deducted from O&M Contractor Bills. |
| 13 | Annual testing and calibration of 33 kV HT panel equipment such as VCBs, CTs, PTs, Numerical relays, electromechanical relays, MFMs, Energy meters, including the switchyard equipemnts installed near NTPC Simhadri sub-station and for metering equipment installed in Panel Room. Through OEM / competent testing agencies as approved by BHEL. All required tools, tackles, testing and measuring instruments, DG set etc. to be arranged by vendor. This shall be asper the schedule mentioned in O & M schedule. |
| 14 | Calibration of Weather Monitoring Station equipment Weather monitoring station equipment to be calibrated at IMD or OEM recommended labs as per calibration period of individual equipment as recommended by OEM. |
| 15 | Checking and re-filling of Fire extinguishers and sand buckets as required All the fire extinguishers to be checked for healthiness and re-filling to be carried out as and when required as per validity of fire safety. |
| 16 | Maintenance and Servicing of Airconditioners, Furniture, Water purifier, fans etc. Complete maintenance and servicing of equipment as and when required to be carried out by vendor. |
| 17 | Painting/Zinc Spray of all metal structuresat Floating Platforms, rolling shutters, switchyard and gates etc. For Galvanised structures shall be Zinc Sprayed where as Non-Galvanised Structures shall be painted. All Inverter Floating Platforms have metal Structures for cable Entry Exit. Painting of all metal structures shall be carried out once in every year. The metal structures in water to be painted with two coat of zinc primer and 2 coat of Aluminum paint, as applicable. All Gavanised Structure will be Zinc Sprayed. |
| 18 | Painting of Main Control room building using weather proof cement based acrylic emulsion paint (Exterior grade) for outside and oil bound distemper paint for inside the building Painting of Control room building shall be carried out once in 3 years. |
| 19 | Providing internet leased line connection of min. 1 MBPS speed including required hardware for 24 hours internet facility Internet connection to be taken in the name of NTPC. Monthly charges to be paid by Contractor. |
| 20 | Coordination and liasoning with CEA for renewal of CEA approval and other statutory bodies as applicable. Vendor shall coordinate and liason with CEA for renewal of complete plant approval including 33KV Transmission line/ cable and NTPC side substation bays. Official charges if any to CEA will be paid by Contractor. BHEL will re-imburse the same as extra than BOQ rate. |
| 21 | Arrangement of one scuba diver at site for any type of works under water as and when required. Periodic underwater Inspection of anchroing ropes and mooring arrangements shall be done as per requirement of site. |
| 22 | Operation & Maintenance of contractor"ssupplied Boat and BHEL supplied motorised boat Contractor has to supply two small passenger boat having capacity of 5 persons including driver of each boat for maintenance purpose. Boat shall be with FRP body construction and 6-8 HP outboard diesel/petrol engine motor (reputed make like Suzuki/Yamaha/equivalent). Boat shall be certified for water worthiness by concerned agency like IROS (Indian register of shipping/MMD/SOLAS/Govt. Department as applicable). Each boat shall come equipped with 5 life jackets and shall have Nylon ropes for towing, anchoring, mooring and Air tubes (3 Nos.) for functioning in rescue work. All the expenses like fuel and routine maintenance of the boat shall be done by contractor to make it ready always for any maintenance work. In addition to that, contractor has to bear the expenditure to ensure Fuel for the running of boat supplied by BHEL at the site and routine mechanical servicing required for running the same. This boat will act as a rescue boat in case of need. Contractor has to bear the expenditure to ensure Fuel for the running of boat supplied by BHEL at the site and routine mechanical servicing required for running the same.Boat operation shall be done by person having requisite boat driving experience and permit. |
| 23 | Inspection Cum Mobile Office Boat used by BHEL/NTPC/Statutory Authority Officials and Inspectors Contractor has to arrange a Inspection Cum Mobile Office Boat Having provision of Canopy on top, 4 chairs, one center Tables, Handrails, fan for working as a mobile office in reservoir area. Boat shall come equipped with 5 life jackets and shall have Nylon ropes for towing, anchoring, mooring and Air tubes (3 Nos.) for functioning in rescue work. All the expenses like fuel and routine maintenance of the boat shall be done by contractor to make it ready always for any inspection work.Boat operation shall be done by person having requisite boat driving experience and permit. |
| 24 | Arrangement of Jeep/car for for daily movement of the O&M staff along with BHEL personnel from reservoir area to Switchyard area and around the bund roads for necessary checks The Contractor shall arrange for a vehicle throughout the tenure of the O&M contract for daily movement of the O&M staff along with BHEL personnel from reservoir area to Switchyard area and around the bund roads for necessary checks. The vehicle shall be a car/jeep with all requisite valid fitness and registration documents, permits, licensed driver and compulsorily have the NTPC-CISF Gate permit for entry to switchyard and NTPC EMD and other offices inside the Thermal plant. |
| 25 | Arrangement of Drinking water for O & M Staff in Control room i. Arrangement of Bottled Water Dispenser (Voltas/Any reputed make) with heating, normal and cooling mode. Operation, maintenance and upkeep of the equipment shall be in Contractor"s scope. ii. Daily arrangement of Bottled water for drinking purpose. |
| 26 | Monthly recharge of SIM cards (3 nos.) Recharge for SIM Card Installed in mini RTU (2 no"s) and one Sim Card for SLDC communication |
| 27 | Maintenance of Roads and drains such as: I. Crack repairing of the road surface. II. Pot-holes over the top road surface to be rectify. III. Maintenance of shoulders for the rain cuts or damage due to some external reasons. IV. Before and after the monsoon season the storm water drainage shall be maintained & cleaned for smoother flow of storm water. Maintenance of roads and drains shall be carried out once in every year. The details of road to be maintained as follows: 1. Control Room approach concrete road is 150 Meter. Width: 3 M 2. Jetty-1 WBM road approximately approx. 1 KM, Width: 3 M 3.Launching Pad WBM Road approx. 1 KM, Width: 3 M 4. Jetty-2 Earthen Road approx.: 1.5 KM, Width: 3 M |
| 28 | Construction & Maintenance of a Permanent Jetty of approximate dimensions of 12 m x 5 m at edge of reservoir at location given by BHEL to enable maintenance of heavy electrical equipment from land onto Floating equipment platforms. Platform shall be of RCC construction with ramp on land side for enabling movement of cranes onto platform. Annual Strengthening of Columns and slabs, Welding, concreting to be done annualiy for use of jetty for maintenance of Heavy Equipment. The jetty will be RCC precast/cast insitu/ steel type at least 2m height above water level with hand rail towards water side. Minimum 2m clear water depth is mandatory at jetty location to reservoir (in boat driving path of minimum 15 m width). Length of the jetty will be minimum 16m wide to park at least single IFP in length wise for repair of equipment. Jetty should be capable for the movement of 50T mobile crane till water end for shifting of electrical equipment from floating platforms. |
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