extension of pipe rack at 04 area inalumina refinery, nalco, damanjodi.; 1 2.8.0 ) earth work in all kinds of soil in foundation, trenches or drains not exceeding 1.5m in width or 10 sqm on plan including dressing of sides and ramming of bottoms lift upto 1.5m including getting out the excavated soil and disposal of surplus earth as directed within a lead of 50 m. disposed soil to be levelled and neatly dressed. 2 2.8.1 ) same as item ( 02.08.00 ) above but in lift upto 1.5 m in all type of soil. 3 2.7 ) earth work in excavation by mechanical means ( hydraulic excavator ) / manual means over areas ( exceeding 30 cm in depth, 1.5 m in width aswell as 10 sqm on plan ) including disposal of excavated earth, leadupto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatlydressed. 4 2.7.1 ) hard rock ( blasting prohibited ) 5 15.58 ) demolishing r.c.c. work by mechanical means and stockpiling at designated locations and disposal of dismantled materials up to alead of 1 kilometre, stacking serviceable and unserviceable material separately including cutting reinforcement bars. 6 02.25.00 ) backfillingwithselectedexcavated earth or any other materialsaround the foundations, under floors, pavements or any other places in layers not exceeding 20 cm, watering and ramming, consolidating etc. complete lead upto 50m & lift upto 1.5m . 7 04.01.00 ) providing and laying plain cement concrete at all depths below and upto ground level in foundations, fillings, non-suspended floors including tamping, curing etc. but excluding the cost of centering and shuttering etc. as specified or directed in any shape, position, thickness and finishing the top surface rough or smooth etc.all complete ( cement will be issued free of cost at nalcos store. ) 8 04.01.8 ) p.c.c.1:4:8 ( 1 cement: 4 coarse sand:8 graded stone aggregate of 40 mm nominal size ) 9 05.01.00 ) providing and laying reinforced cement concrete work in foundation, beams, columns, walls in vertical or horizontal fins, bressummers, suspendedfloors, landing, balconies, pillars, piers, abutments, posts and struts upto 1.00 mtr. above ground level, etc.including necessary curing upto 15 days, finishing and plastering the exposed surface with cement mortar 1:3 ( 1 cement: 3 fine sand ) of thickness not exceeding 6mm to give a smooth and even surface as directed by engineer-in-charge but excluding cost of reinforcement, centering and shuttering etc. complete ( cement will beissued free of cost at nalcos store ) . 10 05.01.02 ) same as above item in 1:1.5:3 ( 1 cement: 1.5 coarse sand: 3 graded stone aggregate of 20mm & dn size ) 11 5.22.40 ) bending / binding and placing in position high yield deformed bars reinforcement conforming to is:1139 or cold twisted deformed bars reinforcement conforming is:1786 for r.c.c.work at all height and depths, carting the same from store / issue points to site of work, straightening, cleaning, bending to requiredshape and lengths as per details including supplying and binding with contractors own 16 swg soft annealed binding wire and placing with proper cover blocks, supports, chairs, spacers and return of unused / scrap / unserviceablesteel to owners storage point etc all complete. ( reinforcement steel / tor steel shall be issuedfree ofcost atnalcos store ) 12 05.09.00 ) centring and shuttering including strutting, propping etc. and removal of form work for foundations, footings, columns, suspended floors, roofs, landings, shelves, lintels, beams, chajjas, girders, bressumers, cantilevers, pillars, posts, struts and stair cases and all types of rcc work at allheights in any floor as directed by engineer-in-charge. 13 05.09.01 ) work in foundation and footing upto 1 metre from ground level in all shape and sizes. 14 10.2 ) 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. ( structural steel will be issued free of cost fromnalcos store ) => limited