Karnataka Slum Development Board Tender

Earthwork excavation by manual means in ordinary soil involving an average horizontal throw upto 2 meters and an average lift upto 0.5 m, excavated surface leveled and sides neatly dressed, the disposed earth to be leveled neatly after breaking of clods complete as per specifications.

Fabrication, Supplying, Erection, Testing and Commissioning of ……Mtrs 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 PCP sheathed trailing power cable housed inside the bottom shaft of mast with door having  locking arrangement. The mast shall have power tool operating on  415V, 50Hz, 3 phases reversible geared motor. The mast shall have lantern of 2 segments, suitable dia  with max load  carrying capacity as per IS 1239. The mast shall be erected on existing  RCC footing.  The mast shall be supplied with 3mm thick template, lightning arrester of 1.2m length galvanized pipe with top arrow fitted on top of the head frame cover and GLS type aviation twin lamps fitting with wiring complete.16Mtrs - Top 150mm and bottom 410 mm dia

Supplying tinned copper lugs and crimping and wiring to terminal point for wire of the following sizes. 16 sqmm Long Barrel