re-carpeting of internal road at bsf campus ambasa of 71 bn ( now 192 bn ) bsf and bsf campuskhasiamangal of 48 bn ( now 104 bn bsf ) under shq bsfteliamura. ; 1 excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : all kinds of soil pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia 2 providing and laying non-pressure np2 class ( light duty ) r.c.c. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 ( 1 cement : 2 fine sand ) including testing of joints etc. complete :250 mm dia. r.c.c. pipe 3 demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in - charge.nominal concrete 1:3:6 or richer mix ( i / c equivalent design mix ) 4 providing, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete work in string courses, bands, copings, bed plates, anchor blocks, plain window sills and the like, including the cost of required centering, shuttering but , excluding cost of reinforcement with 1:1.5:3 ( 1 cement : 1.5 coarse sand ( zone-iii ) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources ) . 5 steel reinforcement for r.c.c. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. thermo-mechanically treated bars of grade fe-500d or more. 6 brick edging in full brick width and half brick depth including excavation, refilling and disposal of surplus earth lead upto 50 metres.16.7.1 with common burnt clay f.p.s. ( non modular ) bricks of class designation 7.5 7 providing and applying tack coat using bitumen emulsion conforming to is:8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broom.with medium setting bitumen emulsion on bituminous surface @ 0.25kg / sqm 8 providing and laying dense graded bituminous macadam using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desired compaction and density, complete as per specificatons and directions of engineer-in-charge.50 to 100 mm average compacted thickness with bitumen of grade vg-30 @ 5% ( percentage by weight of total mix ) and lime filler @ 2% ( percentage by weight of aggregate ) prepared in batch type hot mix plant of 100-120 tph capacity. 9 providing and laying bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of engineer-in-charge.40 / 50 mm compacted thickness with bitumen of grade vg-30 @ 5.5% ( percentage by weight of total mix ) and lime filler @ 3% ( percentage by weight of aggregate ) prepared in batch type hot mix plant of 100-120 tph capacity. 10 cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size ) in pavements, laid to required slope and camber in panels as required including consolidation finishingand tamping complete. 11 centering and shuttering including strutting, propping etc. and removal of form for edges of slabs and breaks in floors and wallsunder 20 cm wide 12 add gst @ 18 % ( multiplying factor 6.33% ) on sr no ( 01 to 11 ) 13 add cost index@ 65 % on sr&dr ( s.no. 01 to 11 ) 14 surface painting with applying vg-30 grade and spraying bitunen with manually using bitumen 5.0 kg / 10sqm on b.t surface including cleaning the surface and flushing the stone dust at 0.03 cum / 10sqm complete as per direction of engineer - in charge.