Public Works Department Tender

Fabrication,supplying and erection of screw gearing steel shutters size above 1.00m and upto 2.00m width consist of skin plate made out of 8mm thick mild steel plage and horizontally stiffened with 100 x 50 mm steel channel (ISMB.00) At an interval not more than 0.50m and vertical stiffeners made out of same section at an interal not more than 0.60m and provided with 8mm thick Mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc., Conyeying the fabricated shutters by using lorries including loading, unloading and leading the shutters to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary cutting equipments. Erecting the new shutter and the shuttering arrangemetns in the vent in proper position by using necessary hoisting equipments. The shutter shall be paint with two coats of Anticorrosive black paint over one coat of red oxide primer. The rate incluiding cost of materials, consumbles, labours, power charges. Conveyance charges, charges for all equipment required conveying the dismantled materials to the section stores, cost of petty civil works, trail operation of shutter and warranty for 5 years etc., completed as directed by the Engineer-in-charge.

Fabrication, supplying and fixing of shutter groove Angle made up of 65x65x6mm mild steel angles for required height including welding hold fast of size 25x25x6mm mild steel angle 2 Nos. on both sides and conveying and leading the groove angle to the vents. Fixing the angle to the grooves in proper alignment including dismandling the existing damaged groove angles, conveying and stacking at section store. The groove angle should be painted with two coats of anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials consumables labours charges for all fabricating and hoisting equipment, conveyance petty civil works and warrent for 5 years etc., complete.

Fabrication, supplying and fixing of 50mm dia screw rod made up mild steel duly machined and fully threaded to suit the Head set Assembly and provided with required holes. Conveying and leading the screw road to the work site. Fixing the screw rod to the shutter gusset plate with required bolt and nut in proper alignment to the head set including dismantling the existing amaged screw rod, conveying and stafking at section store. The screw rod should be painted with two coat of anti corrosive black paint over one coat of red oxide primer. The rate including cost of materials labours charges for all fabricating and hoisting equipment conveyance charges for labours and materials and warrenty for 5 years etc., complete.