construction of dozer maintenance shed at cpp , jungle clearing including uprooting of rank vegetation , grass , bush , wood , trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 100 m outside the periphery of the area cleared as per specifications and directions of mic . , earth work in excavation over areas in all kinds of soils including soft rock but excluding hard rock by mechanical means ( hydraulic excavator ) / manual means for roads , pavements etc . , to required size and slope , leveling to line and grade , channelizing the water including dewatering if necessary , to keep the surface dry , stacking the useful material for reuse and disposal of unserviceable material to a lead upto 100 m and lift upto 1 . 5 m all complete as per specifications and directions of mic . , earth work in excavation in all kinds of soil including soft rock but excluding hard rock by mechanical means ( hydraulic excavator ) / manual means in foundation , trenches , retaining wall , drains , manholes , chambers , culverts etc . 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 within a lead of 100 mtrs , maintaining dry working area during excavation and for subsequent operations by way of construction of temporary trenches , channelizing the surface water , dewatering the subsoil water , shoring etc all complete as per specifications and directions of mic . , same as item no . 3 , but for depth beyond 1 . 5 m ( payment up to 1 . 5 m depth shall be made under item no-3 ) , same as item no . 3 , but for hard rock ( blasting prohibited ) at all depths . , back filling of available excavated earth ( excluding rock ) in foundations , trenches , plinths , etc . in layers not exceeding 20 cm in depth , consolidating each deposited layer by mechanical means / manual means , ramming and watering , including loading , unloading , transportation by mechanical means all complete as per specifications and directions of mic . , disposal of surplus earth , dismantling materials , debris etc . generated during execution of work , including loading , unloading , transportation by mechanical means from site of work to designated areas on nalco land lead upto 5 kms , spreading , compacting , dressing all complete as per specifications and direction of mic . , dismantling p . c . c / r . c . c . work manually / by mechanical means including cutting & stacking of steel bars and disposal of unserviceable material within 100 meters lead complete with all labours , tools etc complete as per specification and direction of manager in charge . , dismantling brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 100 meters lead with all labours , tools etc complete as per the specifications and directions of mic . , supplying and filling good quality coarse sand in foundations , trench , under floors and other specified areas at all leads , lifts and locations including shuttering ( if required ) , watering and ramming , all complete as per drawing , specifications and directions of mic . , providing and laying plain cement concrete 1:3:6 ( 1 cement: 3 coarse sand : 6 course aggregate 20mm nominal size ) in foundation , pavement , plinth etc upto a depth of 4 . 0 mtrs from g . l . including the cost of all materials , tools , tackles , labour , centering , shuttering , all complete as per drawings , specifications and directions of mic . ( cement shall be issued free of cost at nalco stores ) . , providing and laying reinforced cement concrete of mix 1:1 . 5:3 ( 1 cement: 1 . 5 coarse sand : 3 graded stone aggregate 20mm nominal size ) in all types of rcc works such as rafts , columns , pedestals , pavement etc . for all leads and lifts , including transporting , placing in position , vibrating , finishing , curing etc as per site requirement , excluding the cost of centering and shuttering , all complete as per drawings , specifications and directions of mic . ( cement and reinforcement steel shall be issued free of cost at nalco stores ) . , providing and fixing centering , shuttering , strutting , propping etc . for all types of works such as rcc foundations , retaining walls , columns , drains , culverts , pavements with good quality shuttering ply of any shape and size including firmly fixing in position with screws , bolts , separators , tension devices , true to line and level , stripping off the same after specified period etc . for all depths and heights , all complete as per the drawings , specifications and directions of mic . , fabricating and fixing in position hysd steel reinforcement at all levels and positions including transportation from nalco store , straightening , cutting , bending , cranking , welding , binding with wire of 18 gauge annealed wire conforming to is 280 , and providing cover blocks etc . for reinforced concrete , and any other place as specified complete , as per drawings , specifications and directions of mic . ( payment will be made on the basis of standard weight per metre length of the bar , reinforcement steel be issued free of cost at nalco stores ) . , brickwork in cm 1:6 ( 1 cement: 6 coarse sand ) using cement based fly ash bricks in all types of works at all locations , including raking of joints , curing , scaffolding , with all bye works etc . all complete as per specifications and directions of mic . ( cement & bricks shall be issued free of cost at nalco stores ) . , providing 12mm thick cement plaster with cm 1:6 ( 1 cement : 6 fine sand ) on faces of walls , pillars , projection etc . including raking out joints , if any left out , necessary finishing to line and level , dabbing , curing , scaffolding , drip course wherever required at all heights and depths . all complete as per drawings , specifications and directions of mic . ( cement shall be issued free of cost at nalco stores ) . , providing 15 mm thick cement plaster with cm 1:6 ( 1 cement : 6 fine sand ) on faces of walls , pillars , projection etc . including raking out joints , if any left out , necessary finishing to line and level , dabbing , curing , scaffolding , drip course wherever required at all heights and depths . all complete as per drawings , specifications and directions of mic . ( cement shall be issued free of cost at nalco stores ) . , 52 mm thick cement concrete flooring with non metallic hardener topping ( of fosroc / sika or equivalent ) for heavy duty flooring , under layer 40 mm thick cement concrete 1:1 . 5:3 ( 1 cement : 1 . 5 coarse sand : 3 graded stone aggregate 20 mm nominal size ) and top layer 12 mm thick cement hardener consisting of mix 1:2 ( 1 cement hardener mix : 2 graded stone aggregate 6 mm nominal size ) by volume , hardening compound mixed @ 2 litre per 50 kg of cement or as per manufacturers specifications . this includes cost of cement slurry , but excluding the cost of nosing of steps etc . all complete as per drawings , specifications and directions of mic . ( cement shall be issued free of cost at nalco stores ) . , providing and laying 22 . 5 cm thick black granite boulders for boulder soling and filling the interstices with broken stones , ash / bottom ash available inside plant including loading , unloading , transporting of all materials , segregating , laying , packing with spoils , preparing the surface , watering , compacting with necessary number of passes using power road roller of 8 to 10 tonne capacity . all complete as per the specifications and directions of mic . ( payments shall be made on the basis of consolidated thickness of