REPAIR MAINT OF CERTAIN E M MISC WORKS AT BATTERY CHARGES SOLAR PV INVERTOR SUB STATION EARTHING DISTRIBUTION LT PANELS SUPPLY SYSTEM AND SUB STATION UNDER GE GANGTOK

Amount

M&L for carring out Prevenive Maintenance of Solar PVs/Plants 25KW of Power House on grid with out battery back up by cleaning of the panels , vegatations , checking for minor electrical faults such as replacement of worn out cable joints, Claening odf Solar PV, by using proper safety tools and equipments chcking of earth connection proving distilled wated for Batteries and energy generation data on daily / weekly/ monthly basis complete all as specified and directed note: rate quoted includes necessary T&P consumables and water required for cleaning shall be the sope of the contractor

All as per sr item No 01 but 25KW of Filter House on grid with out battery Back up complete all as specified and as directed.

All as per sr item No 01 but 10 KW Solar Tree PRO UNIT MP Golai with battery Back up complete all as specified and as directed.

All as per sr item No 01 but 10 KW Solar 517ASC Adm bldg with battery Back up complete all as specified and as directed.

All as per sr item No 01 but 10 KW Solar 517 ASC CHDH with battery Back up complete all as specified and as directed.

All as per sr item No 01 but 10 KW Solar Filter House with battery Back up complete all as specified and as directed.

All as per sr item No 01 but 5 KW Solar Tree Stn HQ on grid with battery Back up complete all as specified and as directed.

All as per sr item No 01 but 5 KW Solar Tree pro Unit on grid with battery Back up complete all as specified and as directed.

All as per sr item No 01 but 6 KW Solar Tree ASC supply Depo on grid with battery Back up complete all as specified and as directed.

All as per sr item No 01 but 6 KW Solar Tree 517 pro unit on grid without battery Back up complete all as specified and as directed.

Removal of defective un serviceable damaaged invertors and Supply, Installation, Testing & commissioning Grid connected solar inverter of suitable capacity with cumulative capacity of not less than 3 phase 10 KW AC having following specifications (i)Ambient temp : 4° C to 60° C (ii)Relative humidity : 0-100 % non condensing (iii)Environmental condition: outdoor, wet location (iv)Protection degree : IP-65 (v)Pollution degree : IV (vi)Safety class : class I metal enclosure (vii)MPP Tracker: minimum 2 MPP trackers ( as per OEM design) (viii)No. of inputs minimum 4 nos MC4 (ix)Frequency rated : 50 Hz (x)Total Harmonic distortion shall be less than 3% (xi)Power factor shall be more than 90% at any load (xii) Inverter Efficiency >93% (In case of 10 KW or above with inbuilt galvanic isolation) >97% (In case of 10 KW or above without inbuilt galvanic isolation) >90% (In case of less than10 KW) (xiii) External communication: RS-485 Port (xiv) Grid frequency Tolerance range +3 or more (xv) No load losses less than 1% (xvi) Protection against DG set run & grid isolation

Protection features- Inverter should have following protections :- (i) Anti islanding. (ii) Over voltage protection. (iii) Over current protection (iv) Over temperature protection. (v) Reverse polarity Protection. (vi) Surge protection. (vii) Short Circuit. (viii) Frequency. Note:- (i) Rate quoted includes the cost of all T&P and items specified above to be executed on the buildings above Height 15Mts Note:- Inverter shall be capable of synchronisation with grid supply and DG Set supply.Make (DELTA,STRUDER, Schnider,ABB,POLYCAB, WAREE,HAVELLS,STATCON or any make approved by MNRE with warrenty of 5 years)

All as per sr item No 2 but of capacity 6 KW complete all as specfied and directed

Removal of damaged PV panels care fully without distrubing the DC wiring and supply and fixing and testing of the PV Modules must conform to the latest edition of any of the following IEC/equivalent BIS Standards for PV module design qualification and type approval: Monoperc halfcut bi facial PV Modules:IEC61215/IS14286/ latest Equivalent IS (if available as on last date of receipt of tender) In addition,the modules must conform to IEC 61701 Salt mist corrosion testing, IEC 62804- Certification for PID resistance ,IEC61730Part1-requirements for construction &Part2-requirements for testing,for safety qualification or Equivalent IS (if available as on last date of receipt of tender)Each PV module must use a RF identification tag(RFID),which must contain the following information: (i) Name of the manufacturer of PV Module (ii) Name of the Manufacturer of Solar cells (iii) Month and year of the manufacture(separately for solar cells and module) (iv) Country of origin (separately for solar cells and module)(v) I-V curve for the module

(vi) Peak Wattage, Im, Vm and FF for the module(vii) Unique Serial No and Model No of the module (viii)Date and year of obtaining IEC PV module qualification certificate (ix) Name of the test lab issuing IEC certificate (x) Other relevant information on traceability of module as per ISO 9000 series. Note:RFID shall be mandatorily placed inside the module laminate.

Authorized testing laboratories /centre:PV modules must qualify (enclose test reports/certificate from IEC/NABL accredited laboratory) as per relevant IEC standard.Qualification certificate from IEC/NABL accredited laboratory as per relevant standard for any of the higher wattage regular module should be acompanied with the STC report/certificate. For details of Test Labs refer Ministry of New And Renewable Energy website. The report submitted should not be older than 5 years. PV modules used in solar power plants/ systems must be designed for their output peak watt capacity, which should not be less than 90% at the end of 10 years and 80% at the end of 25 years. PV modules shall have product warranty of 10 years after completion of work. Contractor shall furnish approved security e.g FDR from approved bank for an amount equal to 2.5 percent of work done. Monoperc Halfcut bi facial SPV cells shall be used in the Solar Photo voltaic module. each bi facial panel peak power shall not be less than 550 Watt SPV modules should be essentially indigenously manufactured(manufactured in India).The make of SPV shall be Vikram Solar/Indo Solar/Warree/Tata Solar/Adani

The module efficiency shall be more than 22% at standard test condition and the cell should have minimum fill factor of 0.7 with anti reflective coating. It shall be made of high transmittivity glass & front surface shall give high encapsulation gain. Note: Anti dust coating on PV modules shall be done at site in the presence of Engineer-in-Charge. All materials used shall have a proven history of reliability and stable operation in external applications.It shall perform satisfactorily in relative humidity upto100% with ambient temperatures between -4°C and +60°C and shall withstand gust upto 200km/h on the surface of the panel. Each and every SPV module shall be checked for conformity with relevant standard and no negative tolerance shall be accepted.

Provisioning / supply and fixing of dual metering arrangements 3 phase 10-60A Net meter of make HPL/Schneider/L&T with recording facility shall be provided.The metering arrangements must have feature to measure and record, (i)Parameters of KW,KWh,KVAR,voltage,current,PF and any other metering required to determine efficiency and efficacy of the system. (B)LT 3 Phase 4 Wire Electronic Tri vector Meter with CT ratio should be as per capacity of SPV plant.(i) Standard: IS 13779:1999 / CBIP 88 (ii) Accuracy: Class 0.5 (iii) Reference Voltage - 3x240 V (iv) Basic Current (Ib) - 5 A (v) Maximum continuous current (Imax) - 10 A (vi) Rated Frequency (variation) - 50Hz (±5%) (vii) Power consumption:- Voltage circuit: Less than 1.5 W and 10 VA per Phase at reference voltage, reference temperature and reference frequency Current circuit: Less than 1 VA per phase at basic current, reference frequency and reference temperature (viii) Display type: 8 digit 7 segment backlit LCD display, not less than10 mm character height (ix) Display in the event of Power Failure: Internal battery back-up for LCD display (x)Communication port: Galvanically isolated Optical Communication port for data transfer through either CMRI or remote device or both is provided with RS 485 for DLMS protocol (xi) Energy recording – Unidirectional

(C) CT/VT operated energy meter with following features (i) True four quadrant metering (ii) Import/ export metering and forwarded metering option for LT/HT systems (iii) Time and day metering with maximum demand registration and automatic billing (iv) LCD display with announciators for various critical events (v) Scroll lock feature for continuous display of a desired parameter on display (vi) High resolution energy display mode for dial test (vii) DLMS protocol for meter reading, with option to remote reading port. (viii) Advanced event detection features for voltage, current and magnetic influence (ix) Meter reading in absence of mains, using internal battery. Make: secure model LT Premier 300 Bi-Directional/Net Energy Meter

Material and labour for supply and laying of DC cables 4 sqmm (2 runs )from Pannels to Inveter with 20mm conduit medium grade complete all as specified and directed Note: 2 run of Cable along with conduit shall be measured as one unit

Materilal and Labour for supply and fixing of 3 phase 6 sqmm (4 run ) Copper cables with 20mm conduit from inverter to Sub Main DBcomplete all as specified and directed Note: 4 run of Cable along with conduit shall be measured as one unit

Material and labour for supply and fixing and testing Combiner boxes & electrical panel-Combiner box & LT distribution electrical panel with suitable Incoming and outgoing breakers as per the design of inverter and array structure incl bus bar of size 1.8 times the rated current from the inverters.Incoming and outgoing MCCBs should be 1.25 times the rated current capacity. for 10KWp Solar Invertor / PV modules Note: Rating and qty of Incommer and outgoing MCCB shall be provided as per the pannels connections and wiring scheme and the rate quoted includes the same as mentioned

Material and labour for supply and fixing and testing Combiner boxes & electrical panel-Combiner box & LT distribution electrical panel with suitable Incoming and outgoing breakers as per the design of inverter and array structure incl bus bar of size 1.8 times the rated current from the inverters.Incoming and outgoing MCCBs should be 1.25 times the rated current capacity. for 6KWp Solar Invertor / PV modules Note: Rating and qty of Incommer and outgoing MCCB shall be provided as per the pannels connections and wiring scheme and the rate quoted includes the same as mentioned

M&L for earthing complete with galvanised steel earth plate electrode 60cm x 60 cm x 6 mm thick burried directly in ground (earth pit not less than 2.25M deep below ground level) with top edge of the plate not less than 1.5 M below ground level connected with GI Strip 25X4 mm dia means of bolts nuts check nuts and washers of galvanised iron to earth test point all as specified or indicated including necessary excavation and earth work any type of soil PCC (1:3:6) watering funnel, GI tubing 20 mm for watering all as specified and directed and all as shown in electrical plate No.5 of SSR part 1. Note- Rate quoted included the cost of earthwork , GI protection & GI strip from earthpit to LT panel upto 15 mtr.

M&L for providing plain cement concrete in (1:3:6) mix type C2 (using 40mm graded crushed stone aggregate ) in foundations complete all as specified

S&F of street light terminal boxes made out with SMC material, shock & dust proof of inside size 300x200x105mm as per IS and including 20 Amp, TPN busbar fixed on insulators, 01 No 10Amp, SP MCB, earth termination with nuts & bolts and including 02 sets of flat iron 25x6mm clamps of suitable size with nuts, bolts and washers including two coats of aluminium paint over a coat of primer on exposed steel surfaces complete all as specified and as directed. Sintex cat Part No. GSJB-3020, or equivalent Hansel

M&L for danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figure and conventional skull and bones in signal red colour and fixed with MS clamp, bolts and nuts of approved size, for LT, 20x15cm size.

M&L for providing (using 40 mm graded crushed stone aggregate) in foundations complete all as specified

M & L for servicing of LT panels/Feeder piller box of any size by complete cleaning of panel and bus bar at chamber with CTC solution, and welding the door using arc welding and fixing of haevy duty hinges/Locking Handles/latches and necessary nut, bolts, washers/Leads/busbar and made it completely functional for open/close and incl checking of incoming and out going cable connections, Re-fixing of existing Cables, ACBs & MCCBs, and repair to connected PCC foundation and frame works, rewiring of control and power wiring of LT panel/Feeder with suitable size of FRLS cable but not less than 1.5 sqmm, replaceing of various unserviciable ON/OFF switches, lugs/Gland/Base plate/indicating Lamp/CT Coil etc making the panel fully functional including numbering the LT panel/feeder box and marking on panels (incoming and locations of outgoing MCCBs), to the satisfaction of Engr-in-Charge complete all as specified and as directed

M&L for painting of LT panel of sqmtr not less than 20 sqmtr by spraying two coats of epoxy based weather proof paint of ivory after cleaning of rusty panel surface of both inside/ outside by emery paper and necesary preparation of old steel surface along with necessary lettering on incoming & outgoining ckts complete all as specified and as directed.

M&L for painting of LT panel of sqmtr not less than 10 sqmtr by spraying two coats of epoxy based weather proof paint of ivory after cleaning of rusty panel surface of both inside/ outside by emery paper and necesary preparation of old steel surface complete along with necessary lettering on incoming & outgoining ckts all as specified and as directed.

M&L for painting of chequred plate of sqft not less than 5 sqft by spraying two coats of epoxy based weather proof paint of black after cleaning of rusty plate surface of both upper and lower by emery paper and necesary preparation of old steel surface complete all as specified and as directed.

Supply and lay graded stone aggregate of 63mm size underneath of 4 pole/2 pole/transformer yard all as specified and directed by taking down the damaged / powdered stone aggregate.

M& L for preparation of old painted surfaaces of street light steel tubular poles above GL/Copping including cross section channels,flat iron clamps by srapping with wire brush applying one coats of aluminium paint including pole numbering using three layer of radium strip of min 4-5 inch wide(Yellow,Green,Blue) on each pole using printer letter all as specified and directed. Note-:(i) Ladders scaffolding,safety belts etc required for execation of works shall be arranged by contractor & cost of the same is deemed to be included in the unit rate quoted rates. (ii) Contractor shall be fully responsible for the safety aspects of the people enagaged by him & any issues(if any) arising during the work shall be dealt by the contractor& the Dept shall be no way responsibile whatever.

Material and labour for providing galvanised chian link fencing of height 2 meters from GL right arround the 11 KV 2pole structure/ transformers structures with ms angular of size 60 x 60 x 6mm thick duly painted with a coat of red oxide and two coats of synthetic enamel paint grouted with post holes and PCC at span of every 1.5 meter distance around along with 1 mtr width hinged gate and providing of slag brick work of 2 feet height from Ground level with proper basement and plastering the surface with 1:6 ratio right arround the fencing complete as specified by the engineer in charge.

Supply, fixing & insallation, testing against repairs & security cameras channel DVR with 2 MP 3 Dome & 1 bullet camera day & high vision + 1TB HOO, cable roll not less than 10 mtr along with 20mm PVC conduit, clolite 4 CH power supply card,adopter,USD cables, mouse connectors,camera with OFF line/ON line softaware 2 year warranty along with following specification. (a) Camera,1080, 2 MP@ 25,30fps motion detection, IP 67, dust & water proof (b) DVR,4 CH,Turbo,HD DVR,human/vehile aneysis, ISIATA(4 TB capacity), audio,the co axial cables,SMPS with power card, DC connection,HQMI cable, BNC 8 No. Make H K vision/ Hack vision

Supply , fixing and commissioning Design verified as per IS /IEC-61439-1&2 LT Panel outdoor/ LT Pillar Box by CPRI approved manufactures of comprising of the following all as directed by removing the old existing panel complete with out damaging the existing floor / cable ducts at secondary sub station complete all as specified and as directed. Note: The details of LT Panel board have been given against Particular Specification Clause No 40.9 to 40.9.7 of this tender.

Supply , fixing and commissioning Design verified as per IS /IEC-61439-1&2 LT Panel outdoor/ LT Pillar Box by CPRI approved manufactures of comprising of the following all as directed by removing the old existing panel complete with out damaging the existing floor / cable ducts at secondary sub station complete all as specified and as directed. Note: The details of LT Panel board have been given against Particular Specification Clause No 41.10 to 41.10.7 of this tender.

Supply and laying of DWC HDPE pipe,ISI marked in trenches or in cable ducts or fixed on walls using clamps along with all accessories like socket,bend,couplers etc confirming to IS 14930,part-II complete with fitting cutting,jointing etc of size 50 mm outer dia complete all as specified and directed by Engr-in-Charge

Supply and laying of DWC HDPE pipe,ISI marked in trenches or in cable ducts or fixed on walls using clamps along with all accessories like socket,bend,couplers etc confirming to IS 14930,part-II complete with fitting cutting,jointing etc of size 77 mm outer dia complete all as specified and directed by Engr-in-Charge

Supply and laying of DWC HDPE pipe,ISI marked in trenches or in cable ducts or fixed on walls using clamps along with all accessories like socket,bend,couplers etc confirming to IS 14930,part-II complete with fitting cutting,jointing etc of size 110 mm outer dia complete all as specified and directed by Engr-in-Charge

Supply and fix in repairs MCB of 4 pole of 63 Amps, 25 KA,415 volt , Icu=Ics=100% complete with connection ,testing and commissioning.

Supply and fix in repairs isolator of 3 pole of 63 Amps, 25KA 415 volt, Icu=Ics=100% complete with connection ,testing and commissioning.

Supply and fix in repairs isolator of 3 pole of 100 Amps, 25 KA 415 volt, Icu=Ics=100% complete with connection ,testing and commissioning.

Excavation in trenches not exceeding 1.5 M in wide and not exc. 1.5 M in depth for taking out or laying of under ground cable in soft / loose soil complete all as specified and as directed.

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

Removing surplus soil to a distance not exceeding 50 M and deposited at a level not exceeding 1.5 M above the starting point complete all as specified and as directed.

M&L for cutting the existing road / PCC / drain for taking out / laying of underground cable including necessary earthwork excavation and making good to match with the exisitng surface complete all as specified and with PCC 1:3:6 type C1 by (using 20 mm graded stone aggregate) 100mm thick complete all as specified and directed. Note- (i)GI pipe shall be measured and paid separately. (ii) Any damages made/caused to the HT/LT cables,water supply pipelines,OFC cables etc during the excavation works shall be made good by the contr as per original and GE Cost of the same is deemed to be included to be included in the unit quoted rate.

M&L for 50mm dia bore galvanised iron light grade for cable protection and sealing both ends including taking out old pipe complete all as specified and as directed. Make:- Tata/ Jindal/ Prakash Surya.

M&L for 80mm dia bore galvanised iron light grade for cable protection and sealing both ends including taking out old pipe complete all as specified and as directed. Make:- Tata/ Jindal/ Prakash Surya.

Taking up/down existing defective cable of sizes 2/3/3.5/4 core 10 to 70 sqmm from the trenches / ducts/ along walls / poles / through poles / under roads/ inside sub station including relaying in same or different position/location complete all as specified and as directed.

All as per sr item No. 46 but 95 to 185 qmm complete all as specified and as directed.

Laying,jointing, testing and commissioning of serviceable cable obtained from taking out in same or new location or position i.e. in trenches/on walls/floord/roof/ceiling etc of size 2/3/3.5/4 core 16 to 185 sqmm including necessary cable lugs, gland etc complete all as specified and as directed.

Supply & laying testing and commissioning in trenches or fixing on wall or passing through pipe or in cable ducts XLPE insulated PVC FRLS, screened , PVC bedded and PVC tape sheathed galvanised steel strip or wire armoured electric power cable (heavy duty) 1100 volts grade with stranded aluminium conductor of 25 sqmm 4 core including cable lugs, glands, insulation tape etc complete all as specified and as directed.

All as per sr item No 49 but 35 sqmm 4 core

All as per sr item No 49 but 50 sqmm 3.5 core

All as per sr item No 49 but 70 sqmm 3.5 core

All as per sr item No 49 but 95 sqmm 3.5 core

All as per sr item No 49 but120 sqmm 3.5 core

M&L for straight through joint (Heat Shrinkable) for under ground PVC insulated and PVC sheathed armoured heavy duty XLPE cables with aluminium conductor including jointing kit, including making joints for the cable of size 10/16sqmm x 3/3 5/4 core cables including testing complete all as specified and as directed.

All as per sr item No 55 but 25 - 50 sqmm 3/3.5/4 core

All as per sr item No 55 but 70 - 150 sqmm 3/3.5/4 core

All as per sr item No 55 but 185 - 300 sqmm 3/3.5/4 core

GEETA CONSTRUCTION (BID ID -3405217)

Apex Solutions (BID ID -3404237)

BIJAY MITTAL (BID ID -3407827)

KAMLESH ENTERPRISE (BID ID -3406400)

DHARMINDER SINGH (BID ID -3409757)

M/S ANIL KUMAR THAKUR (BID ID -3404978)

NISHA CONSTRUCTIONS (BID ID -3406826)