construction of oil water separator and allied works at fmg area nalco mines , damanjodi , 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 m2 on plan ) , including dressing of sides and ramming of bottoms , lift up to 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 . , excavation work by mechanical means / manual means in foundation trenches or drains ( not exceeding 1 . 5m in width or 10 m2 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 soils as directed , within a lead of 2km . for ordinary rock , hard rock ( blasting prohibited ) , back filling with selected excavated earth or any other materials around the foundations , under floors , pavements or any other places in layers , watering and ramming , consolidating etc . complete as per the direction of e-i-c . , carriage of brick beyond 10 km upto 20 km , filling of sand under floors in trenches sides of foundations etc . including supply of sand and watering , ramming , consolidating and dressing etc . all complete as directed by engineer-in- charge . , providing and laying plain cement concrete at all depths below and upto ground level in foundations , fillings , non-suspended floors including tamping , curing etc . 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 . ) p . c . c . 1:2:4 ( 1cement: 2coarse sand: 4graded stone aggregate 20 mm nominal size ) , p . c . c . 1:3:6 ( 1cement: 3coarse sand: 6 graded stone aggregate 20mm nominal size ) , centering and shuttering including strutting , propping etc . and removal of fom work for foundations , footings , columns , pillars , posts , struts , plinth beam up to plinth level , lintels , roofs , cantilevers , roof beams as directed by engineer-in charge . work in foundation and footing upto ground level in all shape and sizes . , bending / binding and placing in position high yield deformed bars reinforcement 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 required shape and lengths as per details including supplying and binding with contractors own soft annealed binding wire and placing with proper cover blocks , supports , chairs , spacers and return of unused/ scrap/ unserviceable steel to owners storage point etc all complete . ( reinforcement steel/tor steel shall be issued free of cost at nalcos store ) , providing and laying reinforced cement concrete work in foundation , roofs , slabs , lintels , beams , chajjas , columns , walls in vertical or horizontal fins , bressummers , shelves , suspended floors , landing , balconies , pillars , piers , abutments , posts and struts etc . up to super structure up to floor five level ( at height of 20 metres from ground level ) , including necessary curing , as directed by engineer-in-charge but excluding cost of reinforcement , centering and shuttering etc . complete ( cement will be issued free of cost at nalcos store ) . with rcc grade 1:1 . 5:3 ( 1 cement:1 . 5 sand: 3 stone aggregate ) . , full brick work laying masonary with approved fly ash brick of size 230 x 110 x 75 mm in foundation and plinth with cement motar 1:6 ( 1 cement : 6 coarse sand ) including curing all complete as per the direction of engineer-in-charge . ( fly ash brick shall be issued free of cost by nalco at ash brick plant , alumina refinery ) . , random rubble masonary providing and laying random rubble masonary with approved hard stone in foundation , plinth , including levelling up with cement motar 1:6 ( 1 cement : 6 coarse sand ) including curing all complete as per the direction of engineer-in-charge . ( cement shall be issued free of cost at nalcos store ) . , providing and laying 15mm thick cement plaster in cement mortar 1:6 ( 1cement: 6 course sand ) on the rough sides of single or half brick wall or masonary work using approved type sand including curing etc . all complete for a height up to 10 metres from ground level . ( cement will be issued free of cost at nalcos store ) , providing and applying white wash with lime of approved quality to give an even shade after cleaning and smoothening the surface thoroughly etc . all complete and cleaning properly the area of spilled lime etc . to the satisfaction of engineer-in-charge including removal of nails from wall , cleaning . two coats of lime wash on both old and new works . , applying priming coat with ready mixed primer ( red oxide zinc chromate ) of approved brand and manufacture on steel work etc . complete . , applying a coat of approved water thinnable cement primer on new/old cement plaster surface a as directed etc . complete . , poviding &finishing walls with premium acrylic smooth exterior paint with silicone additives of required shade ( weather coat ) of approved brand and manufacturer / brand approved by the engineer-in-charge after the rate shall also include filling up of all nail holes and any other fittings , cracks filled with and finishing the surface as directed . onecoat in walls and other surfaces upto a height of 10 mtr . , 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 at nalcos store ) , providing and fixing glass panes of approved quality after removal of old broken glass & putty/glazing clips etc . and securing the new glass panes with glazing clips and fresh glass putty of approved quality and application of synthetic enamel paint of matching shade etc . all complete . same as above with plain glass panes 5 mm thick in steel frames . . , 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-incharge ( cost of earth works in excavation , concrete works in foundation to be paid separately ) . , providing and fixing g . i . chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts , bolts and washers as required complete as per the direction of engineer-in-charge made of g . i . wire of dia 4 mm , demolishing cement concrete manually/ by mechanical means nominal concrete 1:3:6 or richer mix ( i/c equivalent design mix ) , demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of engineer-in-charge in cement mortar , demolishing stone rubble masonry manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of engineer-in-charge : in cement mortar , dismantling steel work manually/ by mechanical means in built up sections without dismembering and stacking within 50 metres lead as per direction of engineer-in-charge , dismantling and stacking within 50 metres lead , fencing posts or struts including all earth work and dismantling of concrete etc . in base of r . c . c . , di