renovation of children park at tollygunge wireless telecommunication head quarter 3 m . b . sarani tollygunge kolkata 700040 during the year 2020 21 , dismantling all types of masonry excepting cement concrete plain or reinforced , stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m . a ) in ground floor including roof . , supplying and stacking of good earth ( adequate for horticulture work ) at site including royalty ( earth measured in stack will be reduced by 20% for payment ) , earth work in excavation of foundation trenches or drains , in all sorts of soil ( including mixed soil but excluding laterite or sandstone ) including removing , spreading or stacking the spoils within a lead of 75 m . as directed . the item includes necessary trimming the sides of trenches , levelling , dressing and ramming the bottom , bailing out water as required complete . . , single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand . , cement concrete with graded jhama khoa ( 30 mm size ) excluding shuttering in ground floor and foundation . ( a ) 1:3:6 proportion , brick work with 1st class bricks in cement mortar ( 1:6 ) ( a ) in foundation and plinth , brick work with 1st class bricks in cement mortar ( 1:6 ) ( a ) in foundation and plinth , 125 mm . thick brick work with 1st class bricks in cement mortar ( 1:4 ) in ground floor . , reinforcement for reinforced concrete work in all sorts of structures including distribution bars , stirrups , binders etc initial straightening and removal of loose rust ( if necessary ) , cutting to requisite length , hooking and bending to correct shape , placing in proper position and binding with 16 gauge black annealed wire at every intersection , complete as per drawing and direction . ( a ) for works in foundation and upto roof of ground floor / upto 4 m ( i ) tor steel / mild steel i . sail / tata / rin , 125 mm . thick brick work with 1st class bricks in cement mortar ( 1:4 ) in ground floor . , ( a ) m . s . or w . i . ornamental grill of approved design joints continuously welded with m . s , w . i . flats and bars of windows , railing etc . fitted and fixed with necessary screws and lugs in ground floor . ( add extra @ 1% for each addl . floor upto 4th floor and @ 1 . 25% for each addl . floor above 4th floor ) ( i ) grill weighing above 10 kg . / sq . mtr and up to 16 kg . / sq . mtr . , supplying & laying as per irc-sp:063-2004 paver unit of any shade of approved quality as per relevant is code , laid in pattern as directed in pavement , footpath , driveway ( paver block only ) , etc including necessary underlay complete in all respect with all labour and material . [ border concrete if necessary to be paid separately ] . note: sub-grade cbr should not be less than 5 . a ) 25 mm thick tiles as per is: 1237-2012 for footpath , ramp , staircase of public building ( over 25 mm thick ( avg ) cement mortar ( 1:3 ) & cement slurry @ 4 . 4 kg / sq . m at back side of block . cement for mortar & slurry to be supplied by department ) . ( ii ) coloured decorative , supplying and fixing grasses tiles of grass maxican carpet / selection no . 1 healthy & fresh grasses ( size 1x1 or bigger ) including watering and maintenance of the lawn for 30 days or more till the grass forms a thick lawn free from wees and fit for mowing including supplying good earth as required by engineer-in-charge . ( rate includes supply of labour , tools & plants including materials ) , preparation of beds for hedging and shrubbery by excavating 60cm deep and trenching the excavated base to a further depth of 30cm , refilling the excavated earth after breaking clods and mixing with sludge or manure in the ratio of 8:1 ( 8 parts of stacked volume of earth after reduction by 20% , one part of stacked volume of sludge or manure after reduction by 8% ) , flooding with water , filling with earth if necessary watering and finally fine dressing , levelling etc . , including stacking and disposal of materials declared unserviceable and surplus earth by spreading and levelling as directed , within a lead of 50m lift upto 1 . 5m complete . this includes supply of labour , tools & plants including materials . planting hedge plants in two rows at 30cm apart , plaster ( to wall , floor , ceiling etc . ) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating , nosing and drip course , scaffolding / staging where necessary ( ground floor ) . [ excluding cost of chipping over concrete surface ] ( i ) with 1:6 cement mortar ( b ) 20 mm thick plaster , artificial stone in floor , dado , staircase etc with cement concrete ( 1:2:4 ) with stone chips , laid in panels as directed with topping made with ordinary or white cement ( as necessary ) and marble dust in proportion ( 1:2 ) including smooth finishing and rounding off corners including raking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1 . 75 kg / sq . m all complete including all materials and labour . in ground floor . 3 mm . thick topping ( high polishing grinding on this item is not permitted with ordinary cement ) . using grey cement ( iii ) 35 mm . thick , supplying , fitting & fixing granite slabs 15mm to 18 mm . thick with uniform texture & without decorative veins in columns , wall , facia etc . with 15 mm thick [ avg ] cement mortar ( 1:2 ) including making suitable arrangements to hold the stones properly by brass / copper hooks including pointing in cement mortar ( 1:2 ) ( 1 white cement : 2 marble dust ) with admixture of pigment matching the stone shades all complete as per direction of the engineer-in-charge including cost of all materials , labours , scaffolding , staging , curing and roughening of concrete surface complete . area of each granite slab > 0 . 6 upto 1 . 0 square metre . [ using cement slurry at back side of granite @ 4 . 4 kg / sq . m & white cement slurry for joint filling @ 1 . 8 kg / sq . m ] , applying exterior grade acrylic primer of approved quality and brand on plastered or cencrete surface old or new surface to receive decorative textured ( matt finish ) or smooth finish acrylic exterior emulsion paint including scraping and preparing the surface throughly , complete as per manufacturers specification and as per direction of the eic . in ground floor: ( a ) one coat , protective and decorative acrylic exterior emulsion paint of approved quality , as per manufacturers specification and as per direction of engineer-in-charge to be applied over acrylic primer as required . the rate includes cost of material , labour , scaffolding and all incidental charges but excluding the cost of primer . in ground floor ( two coat ) a ) normal acrylic emulsion , 3 removal of rubbish , earth etc . from the working site and disposal of the same beyond the compound , in conformity with the municipal / corporation rules for such disposal , loading into truck and cleaning the site in all respect as per direction of engineer in charge , sub total , gst 12% , cess 1%