NIQ-20-(EL) Sl-10 of 2022-2023

Supply for fitting of 18 Watt & 3300 Lumens All in One Solar LED Street Light Luminaires having polycrystalline solar cell. Detailed technical specifications given below: (a) System Wattage: Should not be more than 18 Watts (+/- 5%). (b) System Lumen Output: Should not be less than 3100 Lumen. (c) System Efficacy: Should not be less than 180 Lumens/Watt. (d) Battery Chemistry: Lithium Ferro Phosphate(LiFePo4)battery should be used.(e) Battery Capacity: ≥256Wh. (f) Charging Electronics: Integrated MPPT charger with driver. g. Charger Efficiency:>90% (h) Driver Efficiency: >90%(i) LED Burning Hours: Should be >50000 Hrs.@L70/ (j) IP Rating:IP65 (k) Housing: Single Body Aluminium Pressure Die Cast. , (l)Front Cover: UV stabilized polycarbonate cover should be used for better light distribution,(m) CCT (Color Temperature): 5700K (+/- 5%)/ (n) CRI: >70 (+/-5%),(o) Luminaire should have in-built PIR sensor. (p) Charging Discharging LED Indicator: Should be provided in luminaire. (q)Input Voltage: 12V DC, (r) Adjustable Tilt Angle (Deg.): Should be0 - 15 Deg. adjustable (s) Solar Cell Efficiency: Min 12%,Polycrystalline, (t) Operating Temp Range for Light Engine: 0 to+35 Deg. C,(u) Operating Humidity: Up to 95%/ , (v) Safety of Solar Panel Module: IEC 61730-1,2 & IEC 61215, (w) Manufacturer should provide LM79/ LM80 reports corresponding to the luminaire LED chip along with Type Test Certificate. Warranty -3-years warranty against manufacturing defects from date of supply.

Supply & Erection of G.I Octagonal designed decorative 7 mtr long conical hot dip galvanized mild steel step pole (inbuilt loop box) with bottom dia 130 mm, top dia 70 mm, thickness 3 mm, base plate 220x220x12 (LxBxT) mm, J-bolt(GI) size 4x20 dia (no xdia) mm, both length 600 mm,projected bolt length. 48.30x3.25 mm thick base plate of 220 mm, with 4 nos holes on 220X12 mm PCD suitable for M16X600mmX4 Nos bolts along with civil foundation work.Make- (Utkarsh / BP/ Transrail)

Painting Block Letters or Digits within a circle/square as required, with ”Black Japan” paint of approved make & brand, the size of letters and digits as given below (a) Size 50 mm and up-to 75 mm

i) Earthing with 50 mm dia GI pipe (ISI-M) 3.64 mm thick × 3.04 mtr long and 1 × 4 SWG (Hot dip) wire 4 mtr long) 13 mm dia × 80 mm long GI bolts double washers incl. S & F 15 mm dia GI pipe protection (1 mtr long) to be filled with bitumen party under the ground level and partly above ground level driver to an average depth of 3.65 metre below the ground level & restoring the surface duly rammed.

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe including Extra for treatment of soil by using salt & charcoal or coke for plate electrode

Supplying, Fitting and fixing Project Display Boards (size 5 ft X 6 ft) made with M.S .Sheets and angle, including writing letters both Bengali and English including suitable section MS channel as per design properly fixing within ground of 1M below ground level and upto 4 mtr above GL with M15 grade of concrete including all paintings and complete in all respect as per direction of Engineer-in-Charge.