e NIT No. -WBIW/EE/BID/e-NIT- 29 of 2025-26, Sl No. - 35

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. (ii) With pumping out water excluding shoring

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. (a) Pakur variety

Supplying, fitting and placing HYSD bar reinforcement in Bridge Super-structur eincluding initial straightening, straightening of coils bars,removal of loose rust (if any), cutting to requisitelength bending, binding with annealed wire not lessthan 1 mm in size and onforming to IS 280 at everyintersection hooked and bent to correct shape andplaced on forms etc. including cost of blackannealed wire and cost of loading, unloading,carriage of all steel materials complete as perdrawing and technical specifications.

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.

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.

Cleaning the exposed corroded Reinforcement as well as worn out concrete by sand blasting with air compressor including all materials, hire charges of machineries and labour etc. all complete as per technical specification and direction of the Engineer-in-Charge.

Providing anti-corrosive protective coating to inhibit the corrosion to HYSD reinforcements including two coats of anti-corrosive coatings of consumption as per manufacturer's specification, cleaning etc. complete as per the direction of the Engineer-in- Charge.

Epoxy bonding of new concrete to old concrete

Earthwork in excavation in the canals / drainage channels / borrow pits /River bed / slope of bank as noted below as per designed section & throwing the spoils in layers of 25 cm. for making banks as per profile or to deposit the same in any other place within 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, dry or moist / slushy silt / sticky soil.

Supplying, dressing and stacking at site bamboo pins above 5 cm.diameter and upto 7.5 cm. diameter. (Dia. to be measured at mid length).

Driving bamboo pins in standing or flowing water including scaffolding and driving appliances. (a) Where boats are not necessary.

Supplying, fitting and fixing with iron nails half split bamboo wailing pieces (av. dia. of bamboo not less than 5.0 cm.)

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

Labour charges for filling empty cement gunny bag / polythene bag (capacity 50 kg) with all kinds of earth (wet or dry), sand or agreegates(stone / brick) and sewing as done in case of cement bags ,(tying with a knot after filling will not be accepted ) , and stacking within a lead of 30 metre as per direction of Engr-in-charge (cost is excluding the cost of any types of filling materials). NB:- Volume of earth/ sand filled bags should not be less than 0.028 cum/ bag.

Extra rate for item no 21 for each additional lead of 60 metre or part thereof beyond the initial lead of 30 metre. A) 02 (Two) extra lead

Dumping in position earth filled gunny or polythin bags with lead of 30 metre with all lifts.

Taking out old bamboo pins from piling and stacking the same within150 metre from the site of work. (a) Where boats are not necessary.

Taking out bamboo wailing pieces after removing iron nails and stacking the same within 150 metre from the site of work. (a) Where boats are not necessary.

Removing earth/sand filled poly bags/gunny bags from the channel bed/slope and initially depositing the same near channel bank at a place as directed by the Engineer-in Charge for measurement of Bag & then disposing off the same at a distance not less than 150 metre from the channel site.

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

Extra rate over Item Nos.20 for all kinds of soil for every additional lead of 30 metres or part thereof beyond the initial lead of 30 metres. a)02 (Two) extra lead.

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