Military Engineer Services Tender
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Costs
EMD
₹ 1,43,500Document Cost
₹ 1,000Tender Fee
Refer Documents
Description
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Contact
Tender Id
2019_MES_268251_1Tender No
CWE(NW)KOCHI/81091Tender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
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Documents
BOQ Items
(c) BIS standards :- Mono crystalline silicon solar cell modules : IEC 61215/BIS 14286, thin film modules : IEC 62108/equivalent BIS, concentrator PV module : IEC 62108/ equivalent BIS, PV modules sandy environment : IEC 600068-68, PV modules corrosive atmosphere : IEC 61701/BIS 61701, PV modules ( for construction & safety) : IEC 61730 (part I & II) equivalent BIS
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(d) M&L for module mounting structure (MMS) fabricated from Hot Dip galvanised structure of suitable size with specified tilt angle according to site requirement & optimum angle to achieve max benefit of solar energy & suitable to with stand 150Kmph wind speed all as per approved design parameters complete.
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(e) Supply and lying and testing required qty of DC cable 1 x 4 sqmm multi strand tinned copper conductor, confirming to relavant IS, weather proof UV resistant with operating temperature upto 120 degrees, minimum rated volatge 1100V for inter connection of SPV modules including suitable size of cable lugs, male & female MC4 connectors & joints etc.
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(f) Supply, errection, installation, commissiong and testing required qty of junction boxes/SMbs of 50 KWp AC output all as per approved design & layout plan for combining output of solar PV modules DC rating of breaker designed rating with string fuses on both postive and negative side of string complete with SMB volatge rating 1000V, copper busbar, weather proof enclosure with NEMA rating complete.
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(g) S&L and testing required qty of DC cable 2 runs 1 x 6 sqmm multistrand tinned copper conductor through PVC conduit 20mm dia ISI marked, weather proof UV resistant with operating temperature upto 120 degrees for connection from string junction box to invertor/PCUs including suitable type of cable lugs, male & female MC4 connectores & joints etc
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(h) Supply, errection, installation, commissioning and testing solar PV modules capable for generating 50 KWp (DC to AC 415V in three phase system ) all as per approved design parameters & capable of generating output voltages of 415V AC at rated load condition with efficiency not less than 98% conforming to IEC 600982-2/VDE standards with power reduction, LVRT with protection for anti-islanding, ground fault mentioning, grid monitoring,AC & DC over voltage and undervoltage protection, AC & DC short/ over current protection, and DC reserve polarity protection, graphic display etc all as specified and directed.
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(j) Nominal voltage : 415V 10%, 3 phase, 50Hz, control : Microproccessor/DSP, switching device: IGBT/MOSFET, Grid freq synchronization : 3 Hz or more, Ambient temperature -20 degree C to 50 Degree C, Humidity : 95% non- condensing, protection of enclosure : IP 20 (Indoor)/IP 65 (outdoor), No load losses 1% of rated power, Inverter efficiency :97% (without inbuilt galvanic isolation), 93% (with inbuilt galvanic isolation), PF:00.9, thd,3%. The inverter should have inertnal protection arrangement against any sustainable fault in feeder line and against the lighting on feeder, should have isolation trasformer, the inverter generated harmonics, filcker,DC injection limits, volt range frequency range and anti-islanding measures should follow the latest guidelines/IEC 62116/BIS code.
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(k) Technical requirement for BoS items of SPV plants: technical specifiaction of power conditioners including MMPT & protection for use in grid solar power plant are as under:- Environmental testing : IEC 60068-2/EqIS, efficient measurement :IEC 616833/ is 61683, product safety :IEC 62109-1 & 2, Grid connectivity interface:IEC 61727 : 2004, Inerconnection PV investors: IEC 62116, Electromagnetic interface:IEC 610002,3,6, Batteries: As per relavanet BIS std, Cables:IEC 60227/IS 3043:1986, Earthing /Lightening :IEC 62561/IS 3043:1986, Surge arrestors:IEC 60634-5-53/ revevant IS code, surge arrestors :IEC 60634-5-53/relevant IS code, circuit breakers:IEC 60947,11, III 60947 EN 50521, junction boxes & enclosures : IP 65/IP 21, meters as per DISCOM guildelines/IS/ 16444, grid connectivity : as prevalent in the state/as per CA, warrenty: the mechanical structures, electrical works and SPV power system, must be warrented for a minimum of 5 years.
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(l) Supply, installation, commissiong and testing of LT 415V grid pannels outdoor type for power evacuation and grid intercoonection systems with the existing LT panel directed by Engineer-in-charge at site with rated capacity of circuit breakers at both side, busbar, CTs, digital metering, relays gross metering etc all as approved design parameters with totally enclosed, fully interlocked, metal clad powder coated enclosure including PCC foundation complete. Note: Earth work & LT cable of size required for connection of inverter to grid panel shall be measured and paid seperately
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(m) modification of existing LT panel/Feeder pillar box by extension of busbar for meter connection with and including MCCBs off rated capacity, sheet metal enclosure complete & connecting.
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(n) Material and labour for required qty of earthing for lightning protection for SPV modules etc as per IE rule, MNRE guide line & BIS all as per approved plan complete with galvanised earth plate electrode 600 x 600 x 6mm thick burried directly in ground vertically (earthpit not less than 2.25mtr deep below normal ground level) with top edge of plate not less than 1.5mtr below normal ground level connected to and including GI strip 32 x 6mm size protected with GI medium grade pipe 40mm dia for earth electrode upto test point by means opf GI nuts, bolts, check nuts and washers including earth work excavation, PCC (1:3:6) type C1 pit and RCC cover (1:2:4) type B1 and funnel, with necessary charcoal, salt etc complete all as per electrical plate No 3 of SSR part - I
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(o) M&L for aluminium strip of size 25 x 3mm thick for roof/down conductor fixed on isulators/saddles of suitable size for SPV modules lightning protection
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(p) M&L for artistic painting in black letters with yellow background for solar array structure, junction box, earth chambers, PCU's, DB's etc all as specified and as directed.
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(q) S&L synthetic rubber mat of size 2m x 1m x 10mm -01 No each per panel.
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Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of LT UG Cable and getting out in soft / loose soil complete all as specified and directed
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Returning, filling in including spreading, leveling, watering and well ramming soil, in layers not exceeding 25 cm thick all as specified and directed.
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Removing excavated surplus soil to a distance not exceeding 50m and depositing where as directed at a level not exceeding 1.5 mtr above the starting point all as specified and directed.
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M&L for sand Cushioning for Cable with river sand all as specified and directed.
Note:- Punned thickness of sand shall be measured and paid
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Supply and laying brunt brick subclass 'B' for protection of UG cable in trenches,all as specified and directed.
0.45
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M&L XLPE insulated, armoured heavy duty LT electric cables with aluminium conductor, 1100 volts grade, cross sectional area 50 sqmm 3.5 Core laid in trenches/duct/floor including suitable size of cable lugs and cable gland etc and connecting complete all as specified and directed .
150
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Supply and lay in trenches /fxed on walls/poles GI tubing medium grade with all fittings of 40mm dia including taking down old unserviceable GI tubing all as specified and directed..
30
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S&F MCCB 4 pole 415V adjustable type 100Amp with breaking capacity 16 KA with enclosure all as specified and directed.
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M&L for earthing complete with galavanised steel earth plate electrode 60cm x 60 cm x 6mm thick burried directly in ground (earth pit not less than 2.25mtr deep below ground level) with top edge of eath plate not less than 1.5mtr below noraml ground level, connected to galvanised iron strip 32 x 6mm as earthing lead by means of bolts, nuts, washers of galvanised iron or steel all as shown in electrical plate No 5 connected to earthing test point including excavation and earth work, PCC chamber, RCC chamber cover, watering pipe, funnel etc including testing on completion.
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Cutting existing Concrete/metal/bituminons road/PCC hard standing or tie walk way any type nexc 45cm width and nexc 30cm in depth in hard strata and making good the distributed surfaces to match with the existing using PCC 1:4:8: type D2 using 40mm graded stone aggregate 150mm thick over rammed earth.
Note: The quoted rate shall inclusive of returing filling in, watering, well ramming in layers, disposal of surplus material to distance n.exc 50m, complete all as specifdied and as directed.
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