PROVN OF 02 X 1471W HIGH MAST LED LIGHT AT 124 INF BDE CAMP AT NAMKUM MIL STN, RANCHI UNDER GE RANCHI

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Supplying, erecting, testing and commissioning Raising & Lowering type 12.5 metre height high mast system hot dip galvanized inside and outside in single dip, suitable for wind velocity as per IS 875 part 3 with only one longitudinal seam weld per section but without circumferential weld including accessories viz head frame, 2-point suspension system with steel wire rope 6mm dia 7/9 gauge, double drum winch, galvanised lantern carriage arrangement suitable for and with 08 luminaries symmetrically, Lightning finial, LED aviation obstruction light, lighting arrester spike, foundation bolts, nuts anchor plates, templates, trailing cable & integral power tool for raising lowering operation of high mast with and including following technical specifications:- (Make:Crompton/Bajaj). 1 (a) HIGH MAST SYSTEM. Height of mast-12.5m Mo of sections-Two Material construction – S355 grader as per BS-ENI0025 Base dia and top diameter (A/F)-360mm & 150mm respectively. Plate thickness & section length-Top-3mmx5420mm, Bottom-4mmx10980mm. Cross section of Mast-20 side polygon Standard for of galvanisation- As per BS ENISO1461 Size of opening and door at base-1050mmx225mm Diameter of base plate-520mm Thickness of base plate-25mm Lightning protection finial –Copper single spike Maximum wind speed-50m/s as per IS:875(Part-II) Number of foundation bolts-6 Nos PCD of foundation bolts-445mm Type/diameter/length of foundation botls-TS 600/24mm dia/ 750mm long

1 (b) LUMINAIRES CARRIAGE. Material of construction-50 NB ERW class ‘B’-MS pipe Diameter of carriage ring(mm)-535mm (ID) Construction -8arm, welded, 2 sections Load carrying capacity -8 Luminaire 1 (c) WINCH/POWER TOOL. Type/SWL of winch- Double drum/350 kg Method of operation- Integral Motor I Motor capacity- 0.75 HP Three phase No of speeds- 6 Pole, single speed 1 (d) STAINLESS STEEL WIRE ROPE. Grade/construction- AISI304, 7/19 construction Number of ropes-Two Diameter(mm)- 5 mm Braking load capacity-1450kgx2 1 (e) FOUNDATION. Construction of suitable shallow foundation with M20 grade concrete for high mast considering the safe soil bearing capacity at sites as 10T/Sqm at 2m depth.Including necessary excavation and earth work complete foundation both to as per foundation detail drawing provided by manufacturer .

PVC insulated 1100 volts grade ISI marked multi stranded copper conductor cable 6 core 2.5 Sqmm. Make- Havells/Polycab/Plaza

LED flood light luminaires having a nominal system lumen output of 3000 lumens at minimum system efficacy of150 lumens per watt and total power consumption not more than 200 watt including driver. It has a rated system life time of 50000 burning hours at L70 and should have a color temperature of 6500K, CRI>80, THD<10% and PF>0.95 complete Make- Havells/Crompton/Bajaj

S&F of cable PVC insulated and PVC sheathed twin core 2.5 sqmm copper conductor multistranded complete all as specified and directed.

S&F XLPE insulated screen, PVC badded galvanized steel strip or wire armoured electric, power cable heavy duty with aluminium conductor 1100V grade, earthed system cross sectional area 16sqmm x 4 core laid in trenches or passing through pipe or fixed to wall/poles complete all as specified and directed. Make Finolex/Havells/Plaza.

M&L for PCC 1:2:4 type B-1 using 20 mm graded broken stone aggregate as in mass concrete in coping of existing and new PCC/steel poles etc complete all as specified and directed.

M&L PCC (1:3:6) type C-2 using (40mm) graded stone aggregate as in foundation filling and mass concrete (for foundation bed concrete in poles or any other directed site).

Supply, installation, testing and commissioning in replacement outdoor type cubical panel board suitable for 3 phase 4 wire 415V, 50 Hz and factor fabricated in an approved factory having modern fabrication process powder coating make it duts/vermin proof outer shall made out of 3mm thick CRCA sheet & MS angle section 50x50x6mm frame, factory fabricated double door system lockable/openable by keys from both sides having chromium plated 19mm dia fancy locks, louvers & air vent gasket for natural flow outer shell completly vermin proof inner shell shall be made out of 1.6mm thick CRCA sheet duly compartmentalized. 1 Incoming: MCCB 63 Amp, 4 Poles 415V, 50 Hz Icu 36 KA (Icu=75%Icu) thermally adjustable between 70-100-2 Nos 2. Outgoing: (a) MCCB 40 Amp, 4 pole, 415V, 50 Hz Icu 36 KA (Icu=100 Icu) thermally adjustable between 70-100-2 Nos. (b ) Digital panel multi function meter to measure current, voltage, frequency & power factor having programmable with CT size 96mm x 96mm accuracy class 1.0 Indicating lamps 22.5mm dia LED type, 240 V AC 100 Amp basbar. (c) Digtal timer switch suitable for on/off.(d) Auto timer switch astronomical type 40 Amps 415 V

Excavation in tranches not exceeding 1.5 mtr wide & not exceeding 1.5 mtr in depth for laying LT cable in hard/loose soil complete all as specified and directed.

Returning, filling in trenches with soil, including spreading, leveling, watering & well ramming, in layers not exceeding 25 cm each complete.

Removing surplus excavated material (soil) to distance not exceedin 50 mtr & depositing where directed at level not exceeding 1.5 mtr above the starting point.

Sand filling in cable trenches for cable protection with clean dry sand unwashed all as specified and directed in clause 19.75 of MES SSR-2009 (Part-I)

S&F for old size brick well burnt, laid flat, for cable protection complete all as specified and directed.

M&L for Earthing complete with galvanized GI earth plates electrode of size 600x6.00mm buried directly in ground (earth less than 2.25 mtrs below normal ground level) with top edge of earth plate not less than 1.5 mtr below normal ground level, connected to galvanized earth lead wire 4.00mm dia by means of bolts, nuts of galvanized iron or steel including excavation and earth work in ay type of soil, charcoal salt filling 15 cm arround the earth plate as shown in electrical plate No 3 of SSR part-I 2009, 20mm bore, GI watering pipe medium grade 1.50 mtr long & GI protection pipe light grade 15mm dia from pit to main board including making pit with PCC 1:3:6 type CI and pre cast RCC cover 40 mm thick, reinforced with 8mm dia deformed bars @ 100 mm c/c both with lifting handles and funnel etc including testing as directed.

BHARATI ENTERPRISES

gurchan singh & sons.

M/S ASHISH AND CO

Om Construction