addition/alteration in ngos transit facility at nstl visakhapatnam . , subhead-i :earth work , 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 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 . , a ) all kinds of soil . , filling available excavated earth ( excluding rock ) in trenches , plinth sides of foundatios etc , in layers not exceeding 20cm in depth consolidating each diposited layer by ramming and watering , lead upto 50meter and lead upto 1 . 5meter , supply of good earth of approved quality obtained from outside md land filling in layers not exceeding 20cms thick at all heights and depths in foundations , pits , trenches , sewer lines around structures and foundation under floors other places including dressing and levelling watering , consolidation to achieve minimium of 95% proctor density etc . , complete as per drawing specifications , payments shall be made for the quantity after deducting the voids . , subhead-ii :anti termite treatment , supplying chemical emulsion in sealed containers including delivery as specified . , a ) chlorpyriphos/ lindane emulsifiable concentrate of 20% , diluting and injecting chemical emulsion for post-constructional anti-termite treatment ( excluding the cost of chemical emulsion ) : , a ) along the external wall below concrete or masonry apron using chemical emulsion @ 2 . 25 litres per linear metre including drilling and plugging holes etc . , with chlorpyriphos/ lindane e . c . 20% with 1% concentration . , b ) treatment of soil under existing floors using chemical emulsion @ one litre per hole , 300 mm apart including drilling 12 mm diameter holes and plugging with cement mortar 1 :2 ( 1 cement : 2 coarse sand ) to match the existing floor : , with chlorpyriphos/ lindane e . c . 20% with 1% concentration . , subhead-iii :plain and reinforced cement concrete work , providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : , b ) 1:4:8 ( 1 cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size ) . , a ) 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) , providing and laying in position machine batched and machine mixed design mix m-25 grade cement concrete for reinforced cement concrete work , using cement content as per approved design mix , including pumping of concrete to site of laying but excluding the cost of centering , shuttering , finishing and reinforcement , including admixtures in recommended proportions as per is: 9103 to accelerate , retard setting of concrete , improve workability without impairing strength and durability as per direction of engineer-in-charge . ( note :-cement content considered in this item is @ 330 kg/cum . excess/less cement used as per design mix is payable/recoverable separately ) . , a ) all works upto plinth level , b ) all works above plinth level upto floor v level , add for using extra cement in the items of design mix over and above the specified cement content therein . , steel reinforcement for r . c . c . work including straightening , cutting , bending , placing in position and binding all complete upto plinth level . , a ) thermo-mechanically treated bars fe-500 , centering and shuttering including strutting , propping etc . and removal of form for : , a ) foundations , footings , bases of columns , etc . for mass concrete , b ) suspended floors , roofs , landings , balconies and access platform . , c ) lintels , beams , plinth beams , girders , bressumers and cantilevers . , d ) columns , pillars , piers , abutments , posts and struts . , making plinth protection 50mm thick of cement concrete 1:3:6 ( 1 cement :3 coarse sand : 6 graded stone aggregate 20 mm nominal size ) over 75mm thick bed of dry brick ballast 40 mm nominal size , well rammed and consolidated and grouted with fine sand including finishing the top smooth . , subhead-iv: stone work & brick work , 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 : , a ) cement mortar 1:6 ( 1 cement : 6 coarse sand ) , brick work with common burnt clay f . p . s . ( non modular ) bricks of class designation 3 . 5 in superstructure above plinth level up to floor v level in all shapes and sizes in : , a ) cement mortar 1:6 ( 1 cement : 6 coarse sand ) , half brick masonry with common burnt clay f . p . s . ( non modular ) bricks of class designation 3 . 5 in superstructure above plinth level up to floor v level , including placing in position 2 nos 6mm dia . m . s . bars at every third course of half brick masonry , a ) cement mortar 1:4 ( 1 cement : 4 coarse sand ) , subhead - v: plastering & surface treatment , 6mm thick plastering in cement mortar 1:3 ( 1 cement: 3 fine sand ) at all levels and locations for all concrete surfaces of columns , beams , walls , and slabs finished smooth and even etc . , complete . , 15 mm cement plaster on rough side of single or half brick wall of mix : , a ) 1:6 ( 1 cement: 6 fine sand ) , 12 mm cement plaster on inside side of single or half brick wall of mix : , 1:6 ( 1 cement: 6 fine sand ) , 18mm thick cement plastering on external surfaces of brick or concrete surfaces in two layers consisting of 6mm thick cement mortar 1:3 ( 1 cement: 3 fine sand ) top coat mixed with integral water proofing compound over a base coat 12mm thick cement mortar 1:5 ( 1 cement : 5 coarse sand ) , finished sand face etc . , complete at all levels and locations . , white washing with lime to give an even shade : , a ) new work ( three or more coats ) , providing and applying distempering with oil bound washable distemper of approved brand andmanufacture to give an even shade : , a ) new work ( two or more coats ) over and including water tinnable priming coat with cement primer , finishing walls with textured exterior paint of required shade : , a ) new work ( two or more coats applied @ 3 . 28 ltr/10 sqm ) over and including priming coat of exterior primer applied @ 2 . 20kg/ 10 sqm , painting with synthetic enamel paint of approved brand and manufacture to give an even shade including pink or grey primer and red oxide zinc chromate primer of wood/steel surace . , a ) two or more coats on new work , sub head - vi: flooring work , providing and laying rectified glazed ceramic floor tiles of size 300x300mm or more ( thickness to be specified by the manufacturer ) , of 1stquality conforming to is : 15622 , of approved make , in colours white , ivory , grey , fume red brown , laid on 20 mm thick cement mortar 1:4 ( 1 cement: 4 coarse sand ) , including grouting the joints with white cementand matching pigments etc . , complete . 300x300mm size . made of nitco company : model name exotica/maxima series . or , made of somany company : model name trekker/sprinkle series . or , made of kajaria company: model name granila crema/beige/almando made of johnson company model no: quartz iv or v grip ivory or v grip brown or lenux bg or delta crema or equivalent . , providing and fixing ist quality ceramic glazed wall tiles of size 200x300mm or more and shade conforming to is : 15622 ( thickness to be specified by the manufacturer ) of approved make in all colours & shades 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 : 3 coarse sand ) an