construction of front boundary wall of mahisbathan school land locketed near lalbari under ward no . 28 within bidhannagar municipal corporation . , 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 . ( a ) depth of excavation not exceeding 1 , 500 mm . , brick work with 1st class bricks in cement mortar ( 1:6 ) ( b ) in superstructure , ground floor , 125 mm thick brick work with 1st class brick 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 / rinl , hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs , beams and columns , lintels curved or straight including fitting , fixing and striking out after completion of works ( upto roof of ground floor ) ( a ) 25 mm to 30 mm thick wooden shuttering as per decision & direction of engineer-in-charge . , ordinary cement concrete ( mix 1:1 . 5:3 ) with graded stone chips ( 20 mm nominal size ) excluding shuttering and reinforcement if any , in ground floor as per relevant is codes . ( i ) pakur variety , 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 ( a ) 15 mm thick plaster , neat cement punning about 1 . 5 mm . thick in wall , dado , window sills , floor , drain etc . , priming one coat on timber or plastered surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc . , painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc . including using of approved putty etc . on the surface , if necessary : ( a ) on timber or plastered surface : with super gloss ( hi-gloss ) - two coats ( with any shade except white ) , 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 . ( i ) grill weighing above 10 kg . / sq . mtr and up to 16 kg . / sq . mtr . , ( a ) priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc . , painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc . including using of approved putty etc . on the surface , if necessary : on steel or other metal surface : with super gloss ( hi-gloss ) - ( ii ) two coats ( white in shade )