PROVISION OF SOLAR POWER GENERATION SYSTEM FOR LIVING ACCN FOR SNCOs AT AIR FORCE STATION ADAMPUR

Amount

Design, supply, erecting, installing, testing and commissioning of off grid connecting roof top solar PV plant with cumulative capacity of 7.5 KW with panel fixing accessories, fasteners, nuts, bolts, of stainless steel -304 Grade, complete all as per specified and directed by Engineer-in-Charge, Comprising of the following:- (a) Solar Module Size 1976x991x40 mm. (b) IEC Approved, MNRE Grading multi crystalline. (c) Module wattage 325 Wp or 330Wp. (d) No of cells 72, VOC 45.5, ISC 9.07A, VMP 38 V, IMP 8.55A. (e) Module Efficiency 16.6%, (f) Module weight 23 Kg. (g) The design of Solar plant to be vetted by NISE or independent agency approved by MNRE. (h) Contractor is advised to visit the site before quoting rates. (j) Solar cable for the string connections: single core, tinned copper cable of required size upto invertor (Maximum 20m), UV resistant, TUV certified, 1800V DC as per manufacturer design & specifications. The linear performance warranty for 25 Years with 3% for first year degradation and .70% from year 2 to 25, certification IEC61215Ed2, IEC61730-1, IEC61730-2. and condition prevailing at Adampur (Punjab) comprising sub components/ sub system and meeting the technical specifications as given in Particular Specifications here-in-after and as listed below, complete all as specified and directed.

Design, supply, erecting, installing, testing and commissioning of DCDB- Combiner box consisting of fuses, SPD mountable fuse holder as per required rating housed in IP-65 container/enclosure, complete all as specified and directed. Make:- C&S/Schneider/Cital/Little home

Design, supply, erecting, installing, testing and commissioning of Power conditioning unit: pcu-7.5kw-120v- with MPPT charge controller consisting off-grid system, built in energy meter to track energy production and displays of small LED screens, MPPT type , operating temperature without any degradation 0-50 degree Celsius ,pure sine wave, complete all as specified and directed. Make:- Schneider/Hagger/Etan

Design, supply, erecting, installing, testing and commissioning of Surge protection device single pole surge protection device in DCDB, complete all as specified and directed. Make:-JMV or equivalent as approved by GE.

Design, supply, erecting, installing, testing and commissioning of AC DB with SPD class 2 with CB, complete all as specified and directed. Make:- C&S/Schneider/Cital/Little home

Sub main wiring with two single core 4 Sqmm (nominal area) PVC insulated and unsheathed cables with stranded copper FR conductor in non metallic rigid PVC conduit of requisite size including one run of continuous PVC insulated FR copper stranded cable of wiring size 4.0Sqmm for earth continuity, complete all as specified and directed. Notes:- (i) 2 runs of 4 Sqmm main cable + 1 run of 4.0Sqmm earth cable + PVC conduit shall be measured as 1 Running Metre.

Material and labour for Single core copper cable conductor of size 16.0 Sqmm PVC insulated and unsheathed multi stranded 1100 Volts grade, drawn through PVC conduit and including fixing accessories and fixed on walls from DCDB to PCU & Batteries with copper thimble & other accessories, complete all as specified and as directed.

Supply of Solar batteries- c10- 150AH, 502mmx191xmmx440mm with tolerance upto ± 3mm , dry weight 34.8 kg ± 3 % tolerance , filled weight 59.6 kg ± 3 % tolerance , electrolyte volume 20.4 ± 5% tolerance , with 5 years replacement warranty complete all as specified and as directed.

Design, supply, fixing support structure of MS hot dipped galvanised (80microns) including PCC foundation for civil works (excavation, cutting, grouting PCC etc.) and fixing the mounting arrangement sutable for PV solar mudules & in PCC blocks & to withstand minimum horizontal wind speed at 170Km/Hr, the mounting structure is of mild steel hot dipped galvanised. The array structure shall be so designed that it will occupy minimum speed without sacrificing the output from solar PV panels. Nuts, bolts, supporting structures including module mounting structures shall have to be adequately protected from atmosphere & weather prevailing in area. All fasteners shall be of stainless steel of grade ss316. Two No.s of anti theft fasteners of stainless steel on two diagonally opposite corners of each modules shall be provided, complete all as specified and directed. Note(s): (i) Design of support structure shall be for mounting of PV solar panels & part of Serial item No. 1 here-in-before. (ii) PCC with reinforcement/fastening bolts embedded in slab & grouting shall be measured & paid separately as Material & labour.

Material & labour, chemical earthing with copper earth plate 900mmx600mmx5mm, buried directly in ground vertically with top edge of the plate not less than 2.6m below normal ground level (depth of pit not less than 3.50m below normal ground level), earth plate surrounded by 15cm thick and packed alternate layers of charcoal dust and common salt and MgSO4 (including 15cm thick and packed layers of charcoal dust, common salt and MgSO4 below & above the earth plate, rest of earth pit will be filled with 15cm thick and packed alternate layers of charcoal dust 5 layers above plate), connected with and including earth lead of copper strip 32x6mm by brazing (upto test point) and protected by galvanized iron pipe light grade 50mm dia bore including watering pipe 20mm dia bore GI medium grade with funnel and wire mesh, including all necessary excavation and earth work, PCC chamber in plain cement concrete (1:2:4) type B-1 and pit cover of precast RCC (in lieu of CI cover) with MS frame etc., complete all as specified and directed.

Note(s):- (i) RCC pit cover shall be pre-cast of RCC (1:2:4) type B-1, 80mm thick reinforced with XPM not less than 4Kg/Sqm. (ii) PCC chamber shall be constructed 500 mm away from the edge of earth pit. (iii) Rate shall include earth lead and protection pipe of length 7.5m, excess beyond 7.5m length required at site shall be measured and paid separately. (iv) Earth resistance should be less than 1Ohm. In case the test results are not found below 1Ohm, complete earthing will be redone without any extra cost to Govt. (v) The chemical earth pit should be minimum 12ft depth and 4ft width. (vi) For effective visibility identification and traceability of earth pit (EP) with corresponding earth of eqpt and bldg, markers in metal (Mild Steel) shall be provided. Earth test of earth pit is to be provided with a colour code. The direction regarding the size, shape and colour of the Mild steel identification board Shall be given by the Engineer-in-Charge. (vii) On completion of the entire work, the contractor shall submit a register/record showing location of earthing, earth value, date of testing, user`s signature etc to the Engineer-in-Charge.

Material and labour, Air termination, single pointed copper rod 12mm dia and 300mm long, complete all as specified and directed.

Material and labour, test point terminal block made of gun metal or phosphorus bronze size 75mmx75mmx25mm drilled and screwed including 3 Nos. 8mm dia 25mm long hexagonal. Head screw, complete all as specified and directed.

Material and labour, Earth continuity conductor or main earthing lead or lightning conductor, 25mmx3.15mm copper strip, fixed to wall on batten with saddles and fixing screws, PVC/ Porcelain insulators etc. or recessed or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required, complete all as specified and directed.

Supply and fixing, GI tubing 40mm dia bore, light grade including all standard fittings, in short lengths, fixed on pole / wall, or fixed with air termination rod to adjust the height of the spike with FI clamp of suitable size including all fixing arrangement as required at site, complete all as specified and as directed.

Material and labour, PCC (1:2:4) type B-1 using 20mm graded crushed stone aggregate, as in pillars (approx size 30cmx30cmx30cm-45cm) to mount support structure for solar PV panels, each pillar reinforced with standard size stainless steel (SS-316) fasteners/anchor bolts- 04 Nos, duly embeded in roof slab drilling suitable size hole & grouted in CM (1:3), complete all as specified and as directed. Note(s): (i) The top 10mm portion of drilled holes shall be sealed with cold sealant & the cost shall be deemed included in the item. (ii) The surrounds of pillar (s) shall be repaired in CM (1:3)/PCC (1:2:4) and top 10mm portion shall be sealed with cold sealant and the cost shall be deemed included in this item. (iii) The MS/GI bolts/fasterners with nuts & washers (of material as per item 1.03), shall be embeded in PCC pillars- 04 Nos/Each for holding/fixing the support structure, and these shall be paid in this item.

KAMAL AGGARWAL

Abacus Infrastructures Pvt Ltd

L-7 Primewave Communications