GE I R AND D/CHD-17/2026-27 PROVISION OF TWO HIGH MAST LIGHT AT DEFENCE INSTITUTE OF HIGH ALTITUDE RESEARCH AT (DIHAR) LEH

Supply and installation of 16 mtr high mast light in two section suitable for 55 m/sec wind speed along with head frame luminaire carriafe suitable for 08 luminaires in symmtricals arrngement and other accessories manufactured in factory witth riasing lowering system comparising double drum winch 5mm diameter SS wire rope , trailing cable , connector , intergal power tool motor , manual handle , junction box lightening finial (wiring material from JB to individual luminare and MCB in base compartment are not included and are a part of installation ) with supply of foundation bolts manufactured from special steel along with nuts, washers , anchor plate and common template and outdoor stand mounted feeder pillar with 32Amps TPN MCB incomer , single dial timer switch 25 Amp TP contactor and raise lower push button incoming 35 Sqmm and out goining 16 & 2.5 Sqmm terminals , 16 mtr High Mast of Bajaj Make or equivelent in GECrompton , Philips , Havells comprising following :- HIGH MAST SYSTEM Height of mast : 16 Meter , No of Section - Two , Material Construction : S355 Grade as per BS EN 10025, Base dia and top diameter (A/F) : Top 150mm, Bottom - 460MM, Cross section of mast - 20 side polygon, Standard for Galvanisation - As per BS EN ISO 1461, Size of Opening and door at base - 1200 x 250mm, Diameter of base plate - 670mm , Thickness of base plate -25mm, Lightening protection finial - GI single spike of length 1200mm, Max wind speed - 44m/s as per IS 875 (Part III) , Number of foundation bolts - 12 Nos, PCD of foundation bolts - 590mm, Type /diameter /length of foundation bolts - TS 600/30mm dia/850 mm long

FOUNDATION DETAILS Excavation- 2800x2800x1500mm size, Lean Concrete 100 mm thick (1:4:8) D2 using 40mm graded aggregate, Matt bars 12 mm TMT bars @ 200C/C both ways in double layers, RCC(1:1.5:3) 2600x2600x300mm as in footing. RCC (1:1.5:3) 1000x1000x1400MM(1100 below GL and 300mm above GL) . 8 Nos 16mm dia TMT bars at corners 4 at centres of pedestal col as main bar with 600mm long craking at bottom over matt bars . 16Nos 12mm dia TMT main bars (4 Nos each at 4 side with 600mm long cranking at bottom over matt bars. 10mm dia TMT bars @ 150mm C/C as stirrups. 300mm dia 850mm long foundation bolts 08 Nos inserted in to 16mm thick anchoring plate 590mm dia at bottom with pointed galvanised nut one each at bottom and top of plate. Foundation bolt min clearance 150mm above at bottom of base plate 2 Nos at top of base plate. Note- The unit rate is inclusive of necessary formwork , RFR removal of surplus earth external finishes and other unforseen items complete all as specified and directed. LUMINAIRS CARRIAGE Material of construction - 50NB ERW class BMS Pipe. Diameter of carriage ring (mm) - 535 mm (ID) . Construction -06 Arm welded , 2 sections. Load carrying capacity - 08 Luminairs TRAILING CABLE : Conductor - Copper 5 Core 2.5 Sqmm. Insulation - EPR insulated PCP scheathed . Nos of circuit per mast - One WINCH /POWDER TOOL Type SWL of winch - Double drum , SWL 750 kg SGDD. Method of operation - Intergral motor. Motor capacity - 1.0HP (including suitable starter). No of speeds - 6 Pole single speed. Torque Limitor - With Mechanical Tripping Facility. STAINLESS STEEL WIRE ROPE Grade /construction - AISI 316,7/19 Construction. Numbers of Ropes - Two Continuous. Diameter(mm) - 6mm. Breaking Load capacity - 2350 Kg x2

Supply and fixing for 150W LED flood light matt black polyster powder coated with secondary lens optics with LED make lumiled having luminaire efficiency of 130lm/W upto 26000 Lums+/- 10% Provided with built in surge protection 5KV and external surge protection of 10kv having Ingress protection lp66 complete all as specified and directed.

Supply and fixing for testing of high Intensity aviation obstruction light red painted housing , red coloured Polycarbonate dome or ring configration and accessories complete all as specified and directed. Note:- (a) Must conform to rules & regulations of aeronautical obstruction lighting. (b) Minimum IP-65 rated for dust and water resistance. Also must be Weatherproof, corrosion resistant, housed in toughened borosilicate/glass dome with UV-stabilized polycarbonate lens to protect the LEDs. (c) Should have the coverage of 360 degree horizontal beam pattern. (d) Built-in automatic photocell(dusk-to-dawn sensor or sun switch) for automated switching. (e) Fire Retardant. (f) Operating Temperature range :- -40 deg to +40 deg. (g) Lux level at 1 meter > 350 Lux (approx) (h) Input Voltage : 80 - 280 V AC(50 Hz) (j) Power Consumption < 12 Watt. Preferred Make: Crompton-Cat Part No. GLN-703, BAJAJ- Cat Part No. BGAV 302 LED, GELTRONIX- CAT Part No. AVI 006.

Supply,install,testing and commissioning of Outdoor stand mounted feeder pillar (STD-4) as recommended by OEM complete all as specified and directed. Note :- The contractor shall take the approval of the panel drawings from GE before incorporation in the work and panel should be CPRI approved

Supply and laying or fixing or passing through pipe or laid in trenches, 1100 Volt grade heavy duty cable XLPE insulated, armoured electric cable with aluminium conductor ,cross-sectional area 35 sq.mm 3.5 core cable complete all as specified and directed .

Supply and laying or fixing or passing through pipe or laid in trenches, 1100 Volt grade heavy duty cable XLPE insulated, armoured electric cable with aluminium conductor ,cross-sectional area 16 Sq.mm 2core cable complete all as specified and directed .

Supply and laying of size 63 mm dia (OD -63mm & ID -51 mm nominal) DWC HDPE pipe ISI marked alongwith all accessories like sockets, bend, couplere etc confirming to IS 14930, Part-II complete with fittings and cutting, jointing etc in the existing trench complete all as specified and directed .

Material and labour for PCC cement concrete in foundations, filling and mass concrete Type B2 1:2:4, 40mm graded aggregate complete all as specified and directed.

Material and labour for RCC design mix (M-25) in footing, foundation, column, pilar, pier posts and struts using 20mm graded aggregate complete all as specified and directed