Tender For Installation Of Mini Mast Light, Chelannur-Kerala

Tender For Installation Of Mini Mast Light Height of mast 8 M (Suitable for junctions having diameter less than 16 meter) Number of Sections Material construction One or Two As per BS-EN 10025 The mast shall be made of MS structu continuously tapered having polygonal cross secti and single longitudinal welding. The welding w be done as per BS 51355/1S 9595 circumpherencial welding shall be allowed in t pole shaft. Base and top diameter (A/F) Top: 100 mm (min.) Bottom: 360 mm (min.) Plate thickness Cross section of Mast Metal protection treatment of fabricated mast section Thickness of galvanizations Size of opening and door at base: Not less than 3 mm. 8/12 side regular continuously tapered polygonal Hot dip galvanization through single dipping process 65/85 Microns as per applicable BIS code 1200 x 250 mm The door shall be provided at approximate 600m height from pole base. The door shall aesthetically designed with pole external surface a shall provide easy access for electrical connectio at a maintainable height. FOUNDATION Providing and laying in position M-20 reinforc cement concrete foundation of size 550mm 550mm x 2000mm including excavation of can providing cutting, bending and placing in positio reinforcement of cold twisted bars of 12 mm die 1500mm long (approx)-08 nos and reinforceme ring of cold twisted bar of 8mm dia @ 150m spacing centre to centre (approx.) as required wi positioning of foundation bolts as shown in the ite given below and providing 63mm PVC pipe suitable length for cable entry & exit as require (According to site conditions of selected location the design of foundation may be changed) Diameter of base plate Thickness of base plate Number of foundation bolts 540 mm (min.) 25/32 mm (min.) 4/6 nos (as per manufactures design) Type/ diameter/ length of foundation bolts TS 600/16 mm dia/ 600 mm long The design of lighting system shall be suitable for wind velocity as per IS: 875 (Part-III) Maximum wind speed HEAD FRAME ASSEMBLY 2 point suspension system with steel wire rope mm dia (AISI 316, 7/19 construction) and dou drum winching system (Integral Motor/ Manu arrangement conforming to IS with galvanis lantern carriage suitable for accommodating flo light luminaries symmetrically and its control ge box and lightning spike. The mast shall have integral 3 phase operation power tool motor install inside the base compartment for its operation. ELECTRICAL Supply and erection control box consists of: Enen meter, 32A, TPN, 254, TPMCB, 25A 4P 30m RCCB, single dial 24 hour timer with chargin facility and contractor for automatic operation, an suitable size connection cable from control panel flood light fittings. It shall also consists of suitab control for power tool single/ three phase motor ar giving connection. There should be provisions fi LUMINAIRE selective switching using dual control. LED Flood light luminaire with IP 66 Protection. 66 or above class protection for the housing and t Luminaire housing component to be aluminiu alloy with light output greater than 100 lumen p watt RoHS complaint power factor and tot harmonic distortion should comply with applicab BIS IEC standards at full load, internal sury protection up to 8 KV. The entire light fitting shou have a warranty of 3 years. Supply of 4/6/8 numbers of LED Field lig luminaries type 40 watts / 70 watts/ 80 watts 10 watts LED ERECTION a) Erection and commissioning of the above high mast with the help of crane/ derrick and other suitable equipment and wiring of luminaries with wiring materials. b) Supply, erection, testing and commissioning of suitable LED aviation obstruction light.

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