bids are invited for custom bid for services - r-1724-miscellaneous civil works in nalco mines, damanjodi - earth work in excavation by mechanical means (hydraulic excavator) /manual means over areas (exceeding 30cm in depth. 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. all kinds of soil , earth work in excavation by mechanical means (hydraulic excavator) /manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed .ordinary rock , filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. , supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete. , surface dressing of the ground including removing vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. , providing and laying plain cement concrete at all depths below and up to plinth level in foundations, fillings,non-suspended floors including t ing, 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.) , 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) , providing and laying plain cement concrete at all depths below and up to plinth level in foundations, fillings,non-suspended floors including t ing, 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.) , 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 20 mm nominal size) , reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, rafts, pillars, piers, abutments, posts, roof, lintel and struts etc. below ground level and up to floor five level, including cost of materials, curing up to seven days, excluding cost of centering, shuttering, and reinforcement : ( cement will be issued free of cost at nalcos store). , 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) , centering and shuttering including strutting, propping etc. and removal of form for rafts, columns, beams, suspended floors, roofs, landings, balconies and access platform , below ground level and above ground level up to floor five level . , bending/binding steel reinforcement for r.c.c. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.(reinforcement steel/tor steel shall be issued free of cost at nalcos store) , hot rolled deformed bars , providing & laying of brick work with flyash brick upto plinth level in : cement mortar 1:6 (1 cement : 6 coarse sand) (cement will be issued free of cost at nalcos store.) , providing & laying of brick work with flyash brick in superstructure above plinth level up to floor five level in : cement mortar 1:6 (1 cement : 6 coarse sand) (cement will be issued free of cost at nalcos store.) , 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 20 mm nominal size) upto plinth level with : cement mortar 1:6 (1 cement : 6 coarse sand) (cement will be issued free of cost at nalcos store.) , providing and fixing ist quality ceramic glazed wall tiles conforming to is: 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by engineer-in-charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete. note: item no 8.31 is brought from sub head 11 i.e. flooring, (cement will be issued free of cost at nalcos store.) , providing and fixing m.s. grills of required pattern in frames of windows etc. with m.s. flats, square or round bars etc. including priming coat with approved steel primer all complete. ( all required structural steel materials for this item shall have to be procured by the contractor). fixed to steel windows by welding or inserted to the walls , 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 issues as free of cost at nalco store ) , 62 mm thick cement concrete flooring with concrete hardener topping, under layer 50 mm thick cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) and top layer ).12mm thick cement hardener consisting of mix 1:2 (1 cement hardener mix : 2 graded stone aggregate, 6mm nominal size) by volume, hardening compound mixed @ 2 litre per 50 kg of cement or as per manufactures specifications. this includes cost of cement slurry, but excluding the cost of nosing of steps etc. complete..(cement will be issued free of cost from nalcos store) . , providing and laying ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer) of 1st quality conforming to is : 15622 of approved make in colours such as white, ivory, grey, fume red brown, laid on 20 mm thick cement mortar 1:4 (1 cement : 4 coarse sand), jointing with grey cement slurry @ 3.3 kg/sqm including pointing the joints with white cement and matching pigment etc.,complete.(cement will be issued free of cost at nalcos store) , providing corrugated g.s. sheet roofing including vertical / curved surface fixed with polymer coated j or l hooks, bolts and nuts 8 mm diameter with bitumen and g.i. limpet washers or with g.i. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in horizontal/ vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 12.1.1 1.00 mm thick with zinc coating not less than 275 gm/m² , laying of 15 mm cement plaster on the rough side of brick wall of mix 1:6 (cement will be issued free of cost at nalcos store.) as direction of e-i-c. , p/l neat cement punning (cement will be issued free of cost at nalcos store.) , distempering with 1st quality acrylic distemper (ready mixed) having voc content less than 50 gms/litre, of approved manufacturer, of required shade and colour complete, as per manufacturers specification.two or more coats on new work , applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface , painting with synthetic enamel paint of approved brand and manufacture to give an even shade : , two coats on new work , demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in - charge , providing and laying gang saw cut 18 mm thick, mirror polished pre moulded and pre polished machine cut granite stone of required size and shape of approved shade, colour and texture in footpath, flooring cut granite stone of required size and shape of approved shade, colour and texture in footpath, flooring in road side plazas and similar locations, laid over 20mm thick base of cement mortar 1:4 (1cement : 4 coarse sand) including grouting the joints with white cement mixed with matching pigment, epoxy touch ups etc. complete as per direction of engineer-in-charge. (cement will be issued free of cost at nalcos store.)