PROVISION OF HIGH MAST LIGHTS AT CERTAIN LOCATIONS AT AFS SULUR

Supply,fixing,Testing and Commissioning of High Mast steel tubular structure 15 metre long having material of construction as per BSEN 10025 for shaft and gussets and grade Fe-410 WA as per IS-2062 for 8 Nos of LED Flood lights lantern symmetrically fitted along with their control gear and having three point suspension system with stainless steel wire rope AISI 316 Grade of 6mm dia 97/19 guage and double drum winch with luminaire mounting arms, pulley assembly LED Single dome aviation obstruction light with LED lamp, lightening arrester spike flange and door stiffness construction in two section longitudinal and welded in one section with thickness of sheet 3 mm top and 4 mm bottom.Lighting finial including necessary PCC/RCC foundation of high mast light as per manufacturer design as specified and comprising the following dimensions with the following accessories. Note:- 1. Make of High Mast and LED Flood lights shall be same. Detailed Other Technical Specs of the High Mast Tower are as mentioned below:- (a) Length of bottom section – 8.250 Mtrs (b) Length of top section – 8.250 Mtrs (c) Base dia 360 mm (approx) (d) Top dia – 150mm (approx) (e) Size of opening and door at base – 1200 x 250 (close fitting door with suitable reinforcement to avoid buckling at base of mast) (f) Lighting protection finial-G. Single spike of length 1200mm (g) Foundation depth length – 850 mm (h) Nos of foundation bolts – 06 Nos (j) PCD of foundation bolts – 445 mm (k) Diameter of foundation bolts – M 24. (b) Size of base plate 25 mm thick and 540 mm dia , each set – 01 Nos. (c) Lantern carriage:- Lantern carriage Square Pipes with class Black MS pipe having 600 mm (ID) Dia suitable to mount 08 Nos of lantern fitting symmetrically ( No. of pipes must be in accordance for mounting 08 Nos of Lighting fixtures).

(d) Winch:- Winch double drum type having operating speed 180RPM and gear ratio 50:1 working operating manually/electrically with stainless steel wire rope 6mm dia top point suspension system including thimble copper, capacity SWL 500 Kgs. lubrication arrangement self lubricant in permanent oil both bath type SAE-90/140 or equivalent Each Job – 01 Nos. (e) Stainless steel wire rope:- Diameter of SS rope 6mm. AISI 316 grade, construction of SS rope 7/19. Stainless steel of centre core material DIN 3060. 3 Nos rope of 6mm for Lantern carriage. 2 Nos of 6mm for double drum winch. Breaking load capacity of SS wire rope are 2350 Kgs per SS rope. (f) Trailing cable:- Copper conductor cable PVC sheathed Flexible type 1100 volt grade of size 2.5 Sq mm PVC X 5 Cores, I.S Approved Make. (g) Power Tool:- 1.50 HP / as recommended by OEM integral model, single speed, reversible 415 volts with mechanical tripping facility.

S&F LED Flood Light fitting 210 Watt elegantly designed, pressure die cast Aluminium housing in powder coated finish IP-66, Lumen Effiicency >= 120 lm/W and total lumens output must be greater than or equal to = 25,200 Lumens, operating voltage range 120 – 270, P.F > 0.95,CCT – 5700K, Surge protector of 10 KV inside fitting, driver of the fitting shall be potted type only for vibration proof performance with over voltage protection & other features like – APFC for Power Factor correction, inbuilt Surge Arrestor (In Driver) 4 KV, over voltage protection ≥300 VAC, 440V withstand for continuous 8 hrs. Both fixture and driver must have seperate BIS marked registration with clearly mentioned on fixture & as well as on driver including making connection with 3 Core x 2.50 Sqmm FRLSH wire all as specified and directed.

Supply, laying and testing cable XLPE Insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 25 Sq mm 4 core complete all as specified and directed.

Excavation in trenches in soft/loose of soil not exceeding 1.5 m deep and not exceeding 1.5 m width and getting out including forming bottom surface to required slope/gradient for laying cables/pipes/pole foundation etc complete all as specified and directed.

All as per item No. 5.00 here-in-before but depth exc 1.5 m but not exc 3 m complete all as specified and directed.

Laying Riddled earth cushioning for cable protection in trenches 8cm before laying of cable and 15cm thick over the cable complete all as specified and directed. Note :- Punned down thickness 18cm shall be measured and paid.

Supply & laying fly ash bricks of old size 230 x113 x 75mm laid across length of trench for protection of cable of any size complete all as specified and directed

Returning, filling in including spreading, leveling, watering and well ramming in layers n. exc 25 cm thick after the cables etc. are laid, jointed and tested complete all as specified and directed.

Removal of surplus excavated soil not exceeding 50 m distance and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.