WBIW/EE/BNKIDeNIT01/2026-27SL5

Cutting uprooting 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 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 0r hard ) by mnual means. a) upto 3 m depth. (iii) Without pumping out water but including shoring as required .

Plain / Reinforced Cement Concrete in Open foundation with or without reinforcements, in any part of foundation of bridges / culverts with graded stone chips of appropriate nominal sizes, including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, cost of curing with water,including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineerin- Charge, cost for quality control, sampling, testing etc. including cost of formwork but excluding reinforcement complete as per drawing and technical specifications. PCC Grade M20 Zone: All districts of West Bengal and Darjeeling Plain of Siliguri Sub-Division

Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sandfree 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. Note : 1. Labour rate per m³ is provided; Cost of sand is to be added to arrive at the complete item rate. 2. Compaction factor of dry clean sand is 0.835.

Cast-in-situ cement concrete blocks or lining units as per designed section and specification, in normal mix propotion 1:1.5:3 (corrsponding to M20 grade with well graded 20 mm 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 than 100 to act as aseperator 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. (The rate is exclusive of the cost of stone aggregate and its carriage upto site. Construction wing has to add the cost of same from the SoR of PW (Roads) to derive the consolidated rate. Consumption chart of the USoR may be used for assessing the quantity of coarse aggregates per cum of concrete). (Stone Aggregate of Pakur or Rajmahal,or broken stone of North Bengal varieties) Note:provisions of the latest departmental manual for lining in Irrigation Canals are to be followed ,when ever applicable

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] (ii) With 1:4 cement mortar (a) 15 mm thick plaster

Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc. (Note :Cement 0.152 cum per 100 sqm.)

Earthwork from borrow pits overexisting embankment or for repairs to embankment,closing breaches etc. with in an initial lead of 30 metre and lift of 1.50 metre including breaking clod sand depositing the same in layers not exceeding 25cm. and rough dressing etc.complete as per profile.

Earthwork in excavation in all kinds of soil for making embankments ,repairs to the embankment ,closing breaches etc. asper profile including supply and transporting the earth by truck or tractor or any other mechanical means on land, including loading ,transporting ,unloading and stacking with all lifts both ways and head load where necessary and depositing the same on embankments ,clannels,filling depression in requisite profile, levelling asperdirectionoftheEngineer-in-charge within a lead of NB :- Measurement to be taken on the basis of stack measurement / pre-post work section measurement after deduction of void as per norms. No extra payment will be made for stacking.A) Beyond 500 metre and upto 1.00 km

Supplying to site empty cement polythene bags (capacity 50kg) in good condition including stacking, incedental charges etc. all complete (capacity 50 kg).