PROVISION OF 04 HIGH MAST LIGHTS IN CENTRAL AREAS AT CGRA TUTICORIN UNDER GE(I) CG CHENNAI

Amount

Supply, Install, test and commissioning of 20 M High galvanized mast light in two section suitable for 50 m/sec wind speed alongwith head frame , luminiares carriage suitable for 16 luminiaries in symmetrical arragement and other accessories manufactured in factory with raising double drum winch, 6 mm diameter SS wire rope, trailing cable, connector, intergal power tool motor, manual handle , junction box , lighting finial , wiring material from JB to individual luminiare & MCB in base compartment are as part of installation, foundation bolts manufactured from special steel along with nuts , washers , anchor plate and common template and outdoor stand mounted feeder pillar box speificfied here in after complete all as specified and as directed. Make : Crompton or equivalent in Bajaj Electricals Ltd/ Wipro/Philips/Havells . Note: The rates quoted by the tenderer shall be deemed to be inclusive of formowrk, Earth work and RCC foundation concrete and external finishes including other unforeseen itmes all as specified by Engr-in-charge.

1. High Mast Structure. a. Height of Mast (Mtrs). : 20 b. Material of Construction. : BS EN 10025 / IS 2062 c. Thickness of Material i. Top Section. : 3 mm ii. Bottom Section. : 4 mm d. Cross Section of Mast (Number of Sides) : 20 Sided Polygon e Length of Individual Section. i. Top Sec. : 10.30 Mtrs ii. Bottom Sec. : 10.30 Mtrs f. Base & Top Diameter i. Base Dia. : 410 mm (Approx.) ii. Top Dia. : 150 mm (Approx.) g. Type of Joints : Stress Slip Fit Joints h. Length of Overlap. : 1.5 times the Dia. of Insertion i. Metal Protection Treatment : Hot Dip Galvanised as per IS 4759/ IS 2629 j. Thickness of Galvanisation. : Average 85 Microns for Bottom Sec & 65 Microns for Top Sec. k. Size of Door Opening at Base of Mast. : 1200 mm X 300 mm l. Type of Locking on Door Panel. : Close fitting door with Allen Key locking with suitable reinforcement to avoid Buckling at Base of Mast. m. Lighting protection finial : GI single spike of Length 1200 mm n. Size of Base Plate. i. Diameter. : 570 mm ii. Thickness. : 30 mm

2. Dynamic Loading as Prevailing At Site. a. Maximum Wind Speed ( IS 875 - 1987 ) : 180 Km/Hr b. Number of Foundation Bolts. : 08 Nos c. PCD of Foundation Bolts. : 490 mm d. Diameter of Foundation Bolts. : M30 e. Length of Foundation Bolts : 850 mm 3. Lantern Carriage. a. Material of Construction. : 40 NB ERW Class B- M.S Pipe b. Diameter of Lantern Carriage Ring. : 600 mm (ID) c. Construction. : 08 Arm Welded d. Number of Joints. : 2 Segments e. Load Carrying Capacity. : 16 Luminaire , Symmetrical 4. Winch. a. Number of Drums Per Winch. : Double Drum. b. Gear Ratio. : 50 : 1 c. Capacity : SWL 500 Kgs. d. Method of Operation. : Motor OR Manual. e. Lubrication Arrangement. : Self Lubricating in Permanent Oil Bath f. Type of Lubricant. : SAE - 90 / 140. 5.Stainless Steel Wire Rope a. Grade : AISI 316. b. Diameter of SS Rope : 6 mm c. Construction of SS Rope : 7 / 19. d. Number of SS Ropes : 3 Nos of 6 mm for Lantern Carriage.: 2 Nos of 6 mm for Double Drum Winch

e. Thimbles & Terminals. : Provided. f. Breaking Load Capacity. : 2350 Kgs Per SS Wire Rope 6. Trailing Cable. a. Type : Flexible Copper 5 Core 4 Sq mm b. Material. : EPR Insulated PCP Sheathed / PVC c. Make .: I.S. Approved Brand. d. No.of circuits per mast : One 7. Power Tool. a. Model. : Integral b. Capacity(HP) : 1.5 HP c. Number of Speeds. : Single Speed. d. Reversible / Non - Reversible. : Reversible. e. Input Supply. : 415 Volts

Supply, Install, test and commissioning of 16 M High galvanized mast light in two section suitable for 50 m/sec wind speed alongwith head frame , luminiares carriage suitable for 12 luminiaries in symmetrical arragement and other accessories manufactured in factory with raising double drum winch, 6 mm diameter SS wire rope, trailing cable, connector, intergal power tool motor, manual handle , junction box , lighting finial , wiring material from JB to individual luminiare & MCB in base compartment are as part of installation, foundation bolts manufactured from special steel along with nuts , washers , anchor plate and common template and outdoor stand mounted feeder pillar box speificfied here in after complete all as specified and as directed. Make : Crompton or equivalent in Bajaj Electricals Ltd/ Wipro/Philips/Havells . Note: The rates quoted by the tenderer shall be deemed to be inclusive of formowrk, Earth work and RCC foundation concrete and external finishes including other unforeseen itmes all as specified by Engr-in-charge.

1. High Mast Structure. a. Height of Mast (Mtrs). : 16 b. Material of Construction. : BS EN 10025 / IS 2062 c. Thickness of Material i. Top Section. : 3 mm ii. Bottom Section. : 4 mm d. Cross Section of Mast (Number of Sides) : 20 Sided Polygon e Length of Individual Section. i. Top Sec. : 8.250 Mtrs ii. Bottom Sec. : 8.250 Mtrs f. Base & Top Diameter i. Base Dia. : 360 mm (Approx.) ii. Top Dia. : 150 mm (Approx.) g. Type of Joints : Stress Slip Fit Joints h. Length of Overlap. : 1.5 times the Dia. of Insertion i. Metal Protection Treatment : Hot Dip Galvanised as per IS 4759/ IS 2629 j. Thickness of Galvanisation. : Average 70 Microns k. Size of Door Opening at Base of Mast. : 1200 mm X 250 mm l. Type of Locking on Door Panel. : Close fitting door with Allen Key, locking with suitable reinforcement to avoid Buckling at Base of Mast. m. Lighting protection finial : GI single spike of Length 1200 mm n. Size of Base Plate. i. Diameter. : 540 mm ii. Thickness. : 30 mm

2. Dynamic Loading as Prevailing At Site. a. Maximum Wind Speed ( IS 875 - 1987 ) : 180 Km/Hr b. Number of Foundation Bolts. : 08 Nos c. PCD of Foundation Bolts. : 460 mm d. Diameter of Foundation Bolts. : M30 e. Length of Foundation Bolts : 850 mm 3. Lantern Carriage. a. Material of Construction. : 40 NB ERW Class B- M.S Pipe b. Diameter of Lantern Carriage Ring. : 600 mm (ID) c. Construction. : 06 Arm Welded d. Number of Joints. : 2 Segments e. Load Carrying Capacity. : 12 Luminaire , Symmetrical 4. Winch. a. Number of Drums Per Winch. : Double Drum. b. Gear Ratio. : 50 : 1 c. Capacity : SWL 500 Kgs. d. Method of Operation. : Motor OR Manual. e. Lubrication Arrangement. : Self Lubricating in Permanent Oil Bath f. Type of Lubricant. : SAE - 90 / 140. 5.Stainless Steel Wire Rope a. Grade : AISI 316. b. Diameter of SS Rope : 6 mm c. Construction of SS Rope : 7 / 19. d. Number of SS Ropes : 3 Nos of 6 mm for Lantern Carriage.: 2 Nos of 6 mm for Double Drum Winch

e. Thimbles & Terminals. : Provided. f. Breaking Load Capacity. : 2350 Kgs Per SS Wire Rope 6. Trailing Cable. a. Type : Flexible Copper 5 Core 4 Sq mm b. Material. : EPR Insulated PCP Sheathed / PVC c. Make .: I.S. Approved Brand. d. No.of circuits per mast : One 7. Power Tool. a. Model. : Integral b. Capacity(HP) : 1.5 HP c. Number of Speeds. : Single Speed. d. Reversible / Non - Reversible. : Reversible. e. Input Supply. : 415 Volts

Note for iteme No: 01 and 02 :Foundation shall be provided as per manufacturer design to withstand the wind velocity & soil condition and foundation diagram/design shall be got approved by Accepting officer before commencement of work.

Supply , lay and test cable in trenches XLPE insulated screend PVC bedded galvanized steel strip or wire armoured, electric power cable (heavy duty) 1100 volts grade with stranded aluminium conductor of 16 sqmm, 4core including jointing and jointing material complete all as specified and as directed. Make : Gloster/CCI/Universal/Havells/Finolex Note: Excavation and earth work, cable cover, sand cusioning shall be measured and paid seperately

Supply , lay and test cable in trenches XLPE insulated screend PVC bedded galvanized steel strip or wire armoured, electric power cable (heavy duty) 1100 volts grade with stranded aluminium conductor of 35 sqmm, 3.5 core including jointing and jointing material complete all as specified and as directed. Make : Gloster/CCI/Universal/Havells/Finolex Note: Excavation and earth work, cable cover, sand cusioning shall be measured and paid seperately

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 m in depth for taking out / laying under ground cables/pipes etc and getting out in hard/dense soil complete all as specified and as directed.

Returning fillingin, including spreading levelling, watering and well ramming in layers n-exc 25 cm in soil complete all as specified and as directed.

Removing excavated soil to a distance not exc 50 metre and depositing where directed at a level n-exc 1.5 metre above the starting pointcomplete all as specified and as directed.

Supply and laying of Double walled corrugated High density polyethylene pipe (DWC - HDPE pipe) of 50 mm dia of pressure rating of 6kg/cm2 laid with all bends, angles having corrugated on the outer wall and plain having corrugation on the outer wall and plain surface inner wall conforming to IS 14930 part-I and part-II complete with necessary HDPE fittings for protection of 1.1 KV grade under ground cable directly in ground at a required depth required complete all specified and as directed. Make: Jain Irrigation/Kisan/Prince/Supreme/Oriplast/Finolex/Diplast

Material and labour for Earthing complete with galvanised steel earth plate electrode 600 x 600 x 6mm thick, burried directly in ground (earth pit not less than 2.25 metre deep below ground level) with top edge of the plate not less than 1.5 metre below normal ground level connected to galvanised iron strip 25 x 4 mm by means of bolts, nut, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3 connected to earth test point including excavation, earth work in any type of soil, PCC Chamber 1:2:4, B1 type and precast RCC cover slab 50 mm thick with RCC 1:2:4 type B1 using 20mm graded stone aggregate and 8mm CTD bar 150c/c both ways funnels, watering pipe 20mm dia GI medium grade,wire mesh, GI Protection pipe 40mm dia light grade connecting test point and testing on completion and as directed. Note:-The rate quoted is inclusive of GI strip 25 x 4 mm earth conductor upto a length of 7.5m from the earth pit.

Supply & fixing of 300 W LED Flood light luminaries, Fixture housing with Die cast. Fixture Cover Clear Heat resistant Toughened glass with silicon gaskets for IP66protection. LED Fixture along with cradle. System Lumen output >=110 lumen per watt. High purity PMMA individual lenses for superior performance and beam angle 60 deg. CCT5700K and CRI >70. LED High-power and LED life of 50,000burining hours as per L70 criteria. LED driver designed 4Kvsurge protection and 10KV for System. BIS approved isolated type, multistage constant current topology potted driver with>85% efficiency. The luminaire shall be with >0.95 PF and THD<10%. LEDs comply to the Photo biological safety standards as per IEC62471. Crompton Model No: CFS-501-300-57-60D-SLGL- NGG or equivalent in havells/Bajaj/Philips,

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