WBIW/TA/DIC/NIT-01(e)/2025-26

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 . In all sorts of soil excluding marshy soil & rocks (soft or hard) by manual means. upto 3 m depth Without pumping out water but including shoring as required

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. Pakur Variety

Plain / Reinforced Cement Concrete in Substructure with coarse aggregates of appropriate nominal size and grading, fine aggregate (sand) conforming to proper grading zone, both of approved quality, cement and water reducing admixtures, as necessary, including labour, cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge and cost for quality control, sampling, testing etc. all complete as per drawing and technical specification including the cost of necessary form work and staging complete as per drawing and technical specifications. RCC Grade M 25 Height upto 5m Using concrete Mixer

Supplying, fitting and placing HYSD bar reinforcement in Sub-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS 280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications and direction of Engineer-in-charge.

Furnishing and Placing Reinforced / Pre-stressed Cement concrete in Super structure with coarse aggregates of appropriate nominal size and grading , fine aggregate (sand) conforming to proper grading zone , both of approved quality and cement and admixtures , as necessary , including labour , cost and carriage of all materials and including preparation of design mix , approval of the same by the Engineer-in-charge and cost for quality control , sampling , testing etc. all complete as per drawing and technical specification including the cost of necessary form work and staging complete. as per drawing and technical specifications. RCC Grade M 25 Using Concrete Mixture For solid slab super-structure Height upto 5 m

Supplying, fitting and placing HYSD bar reinforcement in Bridge Super-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS 280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications.

Earth in filling in foundation trenches and at the back of abutments with good earth (sandy soil) in layers not exceeding 15 cm. including watering and ramming layer by layer complete with earth obtained by fresh excavation from land arranged by Department beyond 150 m. but within 300 m. including all lifts. Earth to be approved by the Engineer-in-charge.

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. Pakur Variety.

Cement concrete Cast-in-situ blocks or lining units as per designed section and specification, in nominal mix proportion 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 thick-ness not less than 100 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. 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 aggregates of Pakur or Rajmahal or broken stone of North Bengal varieties

Making filter with well graded 40 mm down ballasts and laying uniformly behind weep holes, below pitching on bed, side slopes including supply and carriage of all materials to site including preparing bed with earthwork up to 30 cm depth, where necessary and compacting with wooden malllet after laying to achieve designed section as per direction of the Engineer- in - Charge (measurements will be on finished work / in stack after deducting necessary void). 1st class brick ballast

Drainage Spouts in Superstructure including providing drip mouldings and also including supplying, fitting and fixing approved type of materials complete as per drawing and Technical specification vide clause no. 2705 of MoRT&H’s Specification for Road & Bridge Works.

Applying Exterior grade Acrylic primer of approved quality and brand on plastered or cencrete surface old or new surface to receive decorative textured (matt finish) or smooth finish acrylic exterior emulsion paint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC.In Ground Floor Two Coats

Protective and Decorative Acrylic exterior emulsion paint of approved quality, as per manufacturer's pecification and as per direction of Engineer-in-Charge to be applied over acrylic primer as required. The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer. In Ground floor (Two Coat) Normal Acrylic Emulsion

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental charges such as electricity charges, labour insurance charges etc. For structural members of specified sections weighing less than 22.5 Kg./m

Earthwork in excavation in all kinds of soil for making embankments, repairs to the embankment, closing breaches etc. as per 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 bothways and head load where necessary and depositing the same on embankments, clannels, filling depressions in requisite profile, levelling as per direction of the Engineer-in-charge within a lead of , Beyond 500 metre and upto 1.00 km

Bailing out water by pump including all leads and lifts and including making all arrangements for disposal, where continuous flow or seepage of water is encountered and rating of pumps and hours of operation is specifically ascertained as per direction of the Engineer-in-charge.

Supplying Jhaw / Eucalyptus bullah piles at work site, including dressing and making one end pointed. 15 cm av. Diameter

Labour for driving Jhaw / Eucalyptus bullah piles by monkey in all sorts of soil including hoisting and placing piles in position, protecting the pile head with iron ring and cutting and shaping heads before and after driving and including hire and labour for necessary driving appliances and all tackles. 15 cm av. diameter

Supplying, fitting and fixing with iron nails half split bullah wailing pieces and cross pieces etc. complete with cost of all materials and carriage to site. Width of thinner end above 10 cm. and less than 15 cm. Jhaw / Eucalyptus.

Coal tarring with 5% pitch including cost of material and labour complete as per direction of the Engineer-in-charge Two Coat

Supplying Nylon cage netting 1 metre x 1 metre x 0.6 metre size with knot having mesh size 17.5 cm x 17.5 cm constructed with nylon thread (210 x 24) having tensile strength not less than 250 Kg. / sq. cm. including carriage, delivery and stacking at site inclusive of all taxes complete.

Labours charges for dumping and placing in position properly filled in Nylon crates with filled in HDPE bags (minimum 13) with local earth or sand, sewing and tying the crate with nylon wire within a lead of 150 m. and all lifts in river slope or bed by cutting trenches upto 50 cms depth, if necessary , or by boat including cost of hire charges of boat, boatmen and other necessary equipments and also including cost of bags, carriage and charge of filling bags with earth / sand but excluding cost of nylon crate as per direction of the Engineer – in – Charge. NB:- Volume of each earth/ sand filled HDPE bags should not be less than 0.0320 m3. Size of Nylon crate is 1metre X 1metre X 0.6metre. Where boats are not necessary

Supplying at site High Density Polyethylene (HDPE) bag of size 0.84 m x 0.38 m conforming to BIS : 14252 : 2015 for bank protective works including all cost of cost of transportation on road by all means,including other incidental charges complete.

Labour charges for filling HDPE bags with filler materials (earth/sand), machine stitching the open end of the bag with thread as per design and placing the same on slope or dumping from bank within initial lead of 30m and all lifts including carriage and hire charges of all materials and equipments but excluding the cost of filler materials as directed by Engineer-in-Charge (Volume of earth/sand filled bag should not be less than 0.0328 cum).

Earthwork in excavation or re-excavation of drainage channels / rivers in all kinds of soil including silt, sand, slush etc. mixed with all sorts of Industrial wastes, sewages, municipal garbage, carcasses, tannery effluents, jungles, bushes, semi-solid / solid campact mass, water hyacinth, cowdung deposits, decomposed vegetations, polythenes, brick bats, gravels, stone ballast, crates, remnant of bullah and bamboo pins etc. by means of suitable excavator mounted on pontoon (min. depth of water 0.75 metre) specially made to suit the site condition in tidal or non-tidal channel / river and carrying of the excavated materials to suitable locations of the channel / river bank from the point of excavation by diesel machine operated boats or similar arrangements in a manner suited for the purpose and placing the excavated materials from the boat etc. on the top of the bank in case of disposal at suitable places arranged by the agency at his own cost, on the bank at available locations having distances from the point of re- excavation as shown below, by means of excavators or any other machines or manually as may be required, including all lifts. Measurement : By Pre-work and Post- work level sections. Pre-work level for the existing bed of the channel / river is to be taken by displacing water hyacinth and all other floating materials including compact masses, carcasses etc. and for which no extra payment will be made. Post-work level section will be taken only when a stretch of at least 300 metre is completed and the said post-work will be taken within 7 days after completion of excavation in that reach. For distance 0 to 50 metre from the point of re-excavation to the placing point on the bank.

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

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