WBIW/EE/PUAPWI001/eNIT02/26-27

Cutting and clearing jungles including shrubs, water weeds, bushes,trees, plants, upto 30 cm. girth including removing as directed by Engineer-in-charge.

Earth work in excavation in the canals/ drainage channels/ borrowpits/ Riverbed/ slope of bank as noted below as per designed section & throwing the spoils in layers of 25cm. for making banks as per profile or to deposit the same in any other place with in an initial lead of 30 metre and initial lift of 1.5 metre including breaking clods, rough dressing etc. complete as per direction of the Engineer-in-charge. (a)Ordinary soil/ local soil/soil mixed with moorum or kankar/ silt, dryor moist / slushy silt / sticky soil.

Earth work in excavation of foundation of structures as per drawing and technical specification,including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge . I. In all sorts of soil excluding marshy soil & rocks (soft or hard) by manual means. a) upto 3 m depth (iv) Without pumping out water and shoring

Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge (a) Fine sand (Grading zone-III as per IS:383-1970)

Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. a) Pakur Variety

Hire and labour charges for shuttering with centering and necessary stsging upto 4 m. using approved stout props and thick hard wood planks of approved thickness with equired bracing for concrete slabs, beams and columns, lintel curved or straightincluding fitting fixing and striking out after completion of works (upto roof of ground floor) (a) 25mm to 30mm shuttering without staging in foundation

Cast-in-situ cement concrete blocks or lining units as per designed section and specification, in nominal mix proporation 1:1.5:3 (corresponding to M20 Grade) with well graded 20mm down stone metal aggregate, laid in position by casting in alternative panels or otherwise to keep a gap of 12mm between the adjacent units,over a layer of polythene sheet of thickness not less than100 µm to act as a separator between the bottom surface of the block and the sand cushion / filter material laid below the blocks,including dressing, ramming, shuttering, finishing the exposed surface by trowel without adding any additional cement and sand mortar,curing and filling the gaps between the adjacent units by 5.6mm down coarse aggregate to be compacted properly,with all leads and lifts including supply and carriage of all materials, complete, without the cost of sand cushion / filter. Stone aggregates of Pakur varieties.

Providing weep holes in Brick masonry / Plain / Reinforced concrete abutment, wing wall / return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing face. Complete as per drawing and Technical specifications.