22/HDA/EC ELECT/2022 2023

Items

Supply of 9 meter high Mini Mast suitable for wind speed 50 M/sec made up of IS 5986/IS 2062/IS 1239 or equivalent from hot dip galvanized iron - IS 4759 with head frame suitable for fixing 4 nos. solar plate and luminaries carriage suitable to install 4 nos. luminaries in symmetrical arrangement with SS rope and turn buckle safety arrangement. The shaft will be bottom diameter 320 mm, top diameter 120 mm, thickness 4 mm base plate 520 mm X 520 mm and 16 mm thickness. The mini Mast should have inbuilt junction box for termination of cables, battery box structure for accommodating of required nos solar battery and ladder arrangement for maintenance of solar plates, luminaries etc. L type foundation bolt M24 X 800 mm (4 Nos) is to supplied with the mast as required.( Make Kolkata Poles corporation/ Transrail/ Utkarsh)

Construction of suitable shallow reinforced foundation as per standard design as per the manufacturer with 1:1.5:3 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 dimension that conforms safe bear of High Mast with height of 300 mm above ground, incl all materials and labour complete in all respect as per the direction of E.I.C. This civil foundation work incl. for erection of up to 9 Mtr High Mast tower by Earth work in excavation of foundation trench approx. Total foundation is 800 X 800 X 1500 mm with 800 X 800 X 900 mm 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 15 mm thick Plaster complete as per modern engineering practice.

Supply and Installation of Solar Mini Mast Lighting System (Fixed Type) with 4Nos 33 Watt DC LED Flood Light having initial luminaire lumen output of minimum 4500 lm( as per LM79 report of NABL approved Lab) and IP 65 protection (As per Test Report) with lithium ferro phosphate battery operating at 25.6 V solar charge controller having the Bluetooth based system Health scanner and programmer for the monitoring of 2.76 Kilowatt hour Battery & Solar Panel capacity of 500 wp 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 same company and 2 Years comprehensive warranty against any manufacturing defects ( Make: PHILIPS / HAVELLS / WIPRO) .

Erection, testing & commissioning of 9 Mtr length Mini Mast, Solar panel, LED Flood Light along with 3 X 1.5 Sq mm copper wire with co's own tools, Tackles, crane including labour charge & carrying as per direction of E.I.C.

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below: By ISI-Medium GI pipe

Excavation of soil for installation of Earth Electrode and filling & ramming. (a) For Soft Soil.

Extra for providing masonry 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.