supply and erection of galvanized iron pole with galvanizing done in single dipping (average coating thickness minimum 65 microns) continuously tapered poles having octagonal / circular cross-sections designed to withstand the maximum wind speed as per is 875, the pole shaft shall be made from sheet steel (ht steel conforming to grade s355jo) and confirming to bsen 10025 and shall be continuously tapered with single longitudinal welding. there shall not be any circumferential welding. the welding of pole shaft shall be done by submerged arc welding (saw) process. pole shafts shall be provided with the rigid flange plate of suitable thickness (fe 410 conforming to is 226 / is 2062) with provision for fixing 4 no. foundation bolts, this base plate shall be fillet welded to the pole shaft at two locations i.e. from inside and outside.the octagonal poles shall have lockable door of approximate 500 mm length at the elevation of 500 mm from the base plate with bakelite sheet having 6a sp mcb and 16 sqmm stud type connector ( 4 nos) inside the pole at door opening for cable connection of following length and dimension as per table p-01 with base plate and foundation bolt on the existing cement concrete foundation.all as per pre approved by engineer in charge. for additional technical parameters of products/ work , refer annexure a attached with this bsr .
