WBIWEEPID/NIT4e/202627

Excavation for Structures 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 back filling with approved material complete as per direction of the Engineer-in-Charge. 1.In all sorts of soil excluding marshy soil & rocks (soft or hard) by manual means. a) upto 3 m depth (ii) With pumping out water excluding shoring..

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 or without staging upto 4.0 m height using approved stout props with wooden planks/ply wood/steel sheet plate with required bracing for any kind of plain or reinforced concrete works in all sorts of minor structure including culvert, box culvert, crossdrain etc. The rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction. (b) Where staging is not required. .

Labour charges for providing filter with well graded 40 m.m. down stone metal / shingles and laying uniformly below pitching on bed, side slopes including preparing bed with earthwork up to 30 cm depth, where necessary and compacting as per direction of the Engineer- in - Charge and including all leads and lifts complete but excluding the cost of supply and carriage of stone metals up to site..

Supply of stone / laterite boulders at site including cost of material, loading, unloading and carriage and including all incidental charges like Royalty,complete. (Royalty certificate in original from concerned authority are to be submitted along with the bill) a) Panchami source (Each weighing 20 kg & above).

Labour charges for boulder pitching on top and slope by placing required boulders (each weighing 20 Kg. and above within lead of 100 metres and all lifts) including filling the interstices with fragments as required, preparing sub-grade by cutting or filling the earth on slope upto 7.5 cm. depth, watering and ramming where necessary complete as per direction of the Engineer-in-charge. a) Over Jhama Khoa / metal filter/ Geo-textile filter.

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