construction of cable trench , 01 no . ct , 01 no . vcb , 01 no . pt foundation and allied civil work at mayapur 33 by 11 kv sub-stn under krishnanagar ( d ) division in the district of nadia . , earthwork in excavation of foundation trenches or drains all the sorts of soil ( including mixed soil but excluding literate or sand stone ) including removing . spreading or stacking the spoil with in a lead of 75 m . as directed . the items include necessary trimming the sides of trenches leveling and ramming the bottom bailing out water as required complete . depth of excavation not exceeding 1500 mm . , earth work in filling in foundation trenches or plinth with good earth , in layers not exceeding 150 mm . including watering and ramming etc . layer by layer complete . ( payment to be made on the basis of measurement of finished quantity of work ) ( a ) with earth obtained from excavation of foundation . , cement concrete with graded stone ballast ( 40 mm size excluding shuttering ) in ground floor ( a ) [pakur variety] ( a ) 1:3:6 proportion , 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 , reinforcement for reinforced concrete work in all sorts of structure including all distribution bars , stirrups , binders etc including supply of rods initial straightening and removal of loose rust ( if necessary ) cutting to requisite length , hooking and binding 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 , basement and upto roof of ground floor/upto 4 m ( i ) tor steel/mild steel , 125 mm . thick brick work with 1st class bricks in cement mortar ( 1:4 ) in ground floor . i ) in super structure ground floor . , 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 ) 15 mm thick plaster , neat cement punning about 1 . 5mm . thick in wall , dado , window sills , floor , drain etc . , m . s . structural works in columns , beams etc . with simple rolledstructural members ( e . g . joists , angle , channel sections conformingto is: 226 , is: 808 & sp ( 6 ) - 1964 connected to one another withbracket , gussets , cleats as per design , direction of engineer-incharge complete including cutting to requisite shape and length , fabrication with necessary bolting , metal arc welding conforming tois: 816- 1969 & is: 1995 using electrodes of approved make andbrand conforming to is:814- 2004 , haulage , hoisting and erectionall complete . the rate includes the cost of rolled steel section , consumables such as electrodes , gas and hire charge of all tools andplants and labour required for the work including all incidentalchages such as electricity charges , labour insurance charges etc . payment to be made on the basis of calculated weight of structuralmembers only in finished work as per is specified weight . paymentfor gusset , bracket , cleat , rivets , bolts and nuts may be make byadding the actual weight of such items with the weight of finishedstructural members or 7% of weight for finished structural membersweighing not less than 22 . 5 kg . / m . or 15 % of weight for finishedstructal members weighing less than 22 . 5 kg . / m . may be increasedallow for bracket , cleat , rivet , bolts and nuts etc . and no seperatepayment being made for these items , as per direction of engineer incharge . the rates are considered for a height of erection 8m . / 2ndfloor level from the ground . add 1 . 5% extra over the rate for eachadditional floor or 4m . beyond initiial 8m . or part thereof . i ) for structural members of specified sections weighing less thanwasher or screws etc . ( length of straight not less than 230mm ) . , priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc . , ( a ) 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 : ( b ) on steel or other metal surface :with super gloss ( hi-gloss ) - ( iv ) two coats ( with any shade except white ) , 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 . , ( f ) 25 mm to 30 mm shuttering without staging in foundation , dismantling all types of masonry excepting cementconcrete plain or reinforced , stacking serviceablematerials at site and removing rubbish as directedwithin a lead of 75 m . in gr floor including roof , dismantling all types of plain cement concrete works , stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m . in gr floor including roof upto 150mm thk , dismantling r . c . floor , roof , beams etc . includingcutting rods and removing rubbish as directedwithin a lead of 75 m . including stacking of steelbars .