WBPWD/SEWEC /BED /NIQ-17/2024-25

Amount

Supply & Fixing of 9 M high mini mast suitable for wind speed 50 M/sec made up of IS 5986/IS 2062 /IS 1239 Or Equiv from Hotdip galvanized iron - IS 4759 with head frame suitable for fixing 4nos solar plate and luminaries carriage suitable to install 4 nos. luminaries in symmetrical arrangement with SS rope and turn buckle softy arrangement. The shaft will be bottom diameter- 320mm, top diameter- 120mm, thickness 4mm, base plate 520mmx520mm and 16mm thickness. The mini mast should have inbuilt junction box for termination of cables, battery box structure for accomodating required 4 nos solar battery and ladder arrangement for maintenance of solar plates, luminaries etc. L type foundation bolt M24X800mm (4 nos) is to be supplied with the mast. as required (Make:Transrail/Utkarsh/BPP/ Galpol)

Construction of suitable shallow reinforced foundation as per standard design as per the manufacturer with 1:1½:3 cement concrete M-20 gr. for the High Mast considering the safe soil bearing capacity at site as 10T/ sq. mtr. TMT steel as per IS (0.5% of CC volume) and about said depth along with suitable dimesion that conforms safe bear of high mast with height of 300mm above ground, incl. all material and labour complete in all respect as per direction of E.I.C.This civil foundation work incl. for erection of upto 9 Mtr high mast tower by earth work in excavation of foundation trench approx. Total foundation is 800x800x1500mm with 800x800x900m below GL zone including Earth work in excavation, Single brick flat soiling, shuttering with centering, Reinforcement for reinforced concrete work in all sorts of structures, Ordinary cement concrete (mix 1:1.5:3) with graded stone chips (20 mm size) and Making 15mm thick Plaster complete as per modern engineering practice.

Supply & Installation of Solar Mini mast Lighting system (Fixed type ) with 4 Nos. 50 W DC LED Flood light having initial luminaire 140 lumen/watt output of minimum 5300LM ( As per LM79 report of NABL Approved Lab )Efficiency 85% or Higher and IP65 protection and LM80 ( As per test report) , with 4No 12.8V 60Ah Lithium ferro phosphate battery operating at 12.8V with solar MPPT charge controller having the Bluetooth based System Health Scanner and Programmer for the monitoring ] & Solar panel capacity of 700 WP Polycrystalling or Higher performance parameters via Android App based mobile application on Mobile phone and Tablet to monitor the health condition & performance. All the components like PV MODULE , Battery , Luminaire & charge controller will be supplied by the same company and 2 years comprehensive warranty against any manufacturing defects (Make- Simoco/HPL/Surya.)

Erection, testing & commissioning of 9M length mini mast, solar panel, LED flood light along with 3x1.5 sq mm copper wire with Co's own tools, tackles, crane including labour charge & carrying as per direction of EIC.

Excavation of soil for installation of Earth Electrode and filling & ramming for Morrum Soil. [1(b)/G-1]

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. Long With ISI-Medium GI pipe as per GS [ 2(a)/G-1]

Connecting the equipments to earth busbar including S & F Solid GI (Hot Dip) wire of size as below as per GS

7/14SWG Stranded G.I. Wire [5(b)(i)/G-2]

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) Cl 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. [3(a)/G-2]

Providing and erecting display board as Marble plate all complete as per direction of the undersign of NIT and Engineer-in-charge.

BISHWAKARMA ELECTRICAL WORKS

switching avo Electro Power Ltd