Details: fabrication, supplying, , testing and commissioning of 12.50mtrs long polygon high mast with single / multiple telescopic sections having, ( minimum overlap distance of 1.5 times of top section) thickness as per bsen 10025 grade s 355 jo /astm a572-50 steel sheet plate for shaft suitable to withstand a wind velocity of 47 m/sec as per is 875 part 3(as per ga drawing).base plate as per is 2062/astm a572-50. the mast shall be galvanized in single hot-dip as per bsen iso 1461/astm a123 with an average 70 microns as per is 2629, and welded as per bs 5135 single l-seam joint. the mast shall have 2way head frame with die cast lm-6 pulleys, stainless steel axle, phosphorus bronze bearing bush press-fitted with separate guides for 2 runs of 5mm dia, stainless steel wire rope of aisi 304grade 7/19-core, (factor of safety as per tr no-7). 2.5sqmm epr insulated sheathed trailing power cable housed inside the bottom shaft of mast with door having locking arrangement. the mast shall have power t
Sector: Municipality