corrigendum - tender for fencing job near pass section to heavy gate and main gate area at kcc plant area , earth work in excavation by mechanical means ( hydraulic excavator ) / manual means in foundation trenches or drains ( not exceeding 1 . 5 m in width or 10 sqm on plan ) including dressing of sides and ramming of bottoms , lift upto 1 . 5 m , including getting out the excavated soil and disposal of surplus excavated soil as directed , within a lead of 50 m all kinds of soil , providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level :1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) , centering and shuttering including strutting , propping etc . and removal of form for : foundations , footings , bases of columns , etc . for mass concrete , supplying at site :r . c . c . standards post / struts / rails / pales of mix 1:1 . 5:3 ( 1 cement : 1 . 5 coarse sand : 3 graded stone aggregate 12 . 5 mm nominal size ) with wooden plugs or 6mm bar nibs wherever required as per direction of engineer-in-charge ( cost of earth works in excavation , concrete works in foundation to be paid separately ) . , fencing with r . c . c . post placed at required distance , embedded in cement concrete blocks , every 15th post , last but one end post and corner post shall be strutted on both sides and end post one side only , provided with horizontal lines and two diagonals of barbed wire 9 . 38 kg per 100 metres ( min ) between the two posts fitted and fixed with g . i . staples on wooden plugs or g . i . binding wire tied to 6 mm bar nibs fixed while casting the post ( cost of r . c . c . posts , struts , earth work and concrete to be paid for separately ) :- payment to be made per metre cost of total length of barbed wire used . with g . i . barbed wire , providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level :1:4:8 ( 1 cement : 4 fine sand : 8 graded stone aggregate 40 mm nominal size ) , white washing with lime to give an even shade:new work ( three or more coats ) , random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 ( 1 cement : 6 coarse sand : 12 graded stone aggregate 20mm nominal size ) at plinth level with :cement mortar 1:6 ( 1 cement : 6 coarse sand ) , structural steel work riveted , bolted or welded in built up sections , trusses and framed work , including cutting , hoisting , fixing in position and applying a priming coat of approved steel primer all complete