WBIW/CTU/CE(SW) /e-NIT- 28 (e)/2025-26 SL05

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 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 (i) With pumping out water 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.

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, cross drain 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.

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. Silver sand 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.

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

Plain / Reinforced Cement Concrete in Open foundation with or without 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 Note:1) For thin concrete members upto a thickness of 65mm involving shuttering and scaffolding rate of concrete enhanced by 150% of rate by volume (Cost of shuttering & reinforcement excluded). 2) For tall structure like overhead reservoir on R.C .frame, the ground floor equivalent height shall be taken as 4m. Every 4m or part there of above 4 m shall be taken as each additional floor for purpose of this item.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. (a) For works in foundation, basement and upto roof of ground floor/upto 4 m (i) Tor steel/Mild Steel JSN/JSPL/SHYAM/SRMB/BMASL/ELECTROSTEEL/SSL

Supplying and laying inverted filter in canal bed, canal slope, weep holes, block pitching etc. as per drawing including preparation of Sub grade etc. complete as per direction of the Engineer-in-charge. Note:Construction wing has to add cost and carriage of all materials, required as per drawing, to site following latest PWD schedule of Rates to arrive at the complete rate.

Providing and laying pre-cast brick block pitching of required size (53 Cm. x 53 Cm, x 25 Cm. or as directed by the Engineer-in-charge ) with 1st class kiln burnt bricks in cement mortar including flush pointing on all faces except exposed face which to be plastered with 19 m.m. thick cement plaster , curing, dressing, ramming & preparing subgrade in slopes & bed complete with necessary earth work not exceeding 300 mm in depth with all leads & lifts including cost of all materials/ blocks up to site by all means of transport. The gap between adjacent blocks will not be more than 10 m.m. (Sand, cement mortar mix for making blocks, pointing & plastering is1:4)

Supplying & laying of bi-axial extruded high modulus polypropylene geogrid coforming to MORTH SPECIFICATION for base/sub-base reinforcement having minimum tensile strength 15kN/m in the longitudinal and transverse direction, with 5kN/m and 7kN/m tensile strength at 2% and 5% strain respectively in the longitudinal and transverse direction, junction efficiency not less than 95% and with 38mm X 38mm mesh opening

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

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. 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 0.500 km and upto 1.00 km

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. 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. B) Beyond 1.00 km and upto 2.00 km

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. 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. C) Beyond 2.00 km and upto 3.00 km

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. 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. D) Beyond 3.00 km and upto 4.00 km

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. 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. E) Beyond 4.00 km and upto 5.00 km

Compacting earthwork in embankment in layers of 25 cm. by power roller or by any other mechanical means, like tractor driven sheep foot roller/ vibrating plate compactor earth rammer etc., (not at OMC) including necessary watering, labour charges, hire charges of all materials, tools & plants etc. and including cost and supply of all materials complete as per direction of the Engineer-in-charge. (Payment will be made on the basis of Pre-work & Post-work level)

Supplying Jhaw / Eucalyptus bullah piles at work site, including dressing and making one end pointed. (iii) 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. (iii) 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. (a) Width of thinner end above 10 cm. and less than 15 cm. Jhaw / Eucalyptus.

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. Note:Payment will be made subject to the result of 3rd Party Testing, to be done by the Engineer-in-charge departmentally. Paragraphs 2.8 including the sub-paragraphs, i.e.2.8.1 and 2.8.2 under the Chapter of “Specification for Works ”in the USoR shall be reproduced and included in the tender documentas “Specification and Special Terms&Conditions for High Density Polyethylene (HDPE) Bags” in case of use of this item in the estimate.”

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 30 m and all lifs 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).

Supplying at site and laying in position UV stabilized polypropylene woven geotextile of 430 gsm as filter, as per specification, including cost of preparing the bed, placing the geotextile as per profile with at least 15cm lapping, wherever required and anchorage at top, sewing / welding the overlapped portion, storage and transportation by all means, complete as per direction of the Engineer-in-charge. Note: 1. Payment to be made on measurement of finished surface without lapping, but including anchoring length at top. 2. Payment will be made subject to the result of 3rd Party Testing, to be done by the Engineer-in-charge departmentally. Paragraphs 2.7.7, 2.7.9 and 2.7.10 under the Chapter of “Specification for Works” in the USoR shall be reproduced and included in the tender document as “Specification & Special Terms & Conditions for Geotextile” in case of use of this item in the estimate. 3. This particular item is to be used in special cases, either in continuation of previous usage or after offering adequate justification from techno-economical angles.

Testing of Geo-textile materials including UV Test from well eqipped laboratories like Jadavpur University, BITRA, CIPET etc.) (This item is applicable only for third party testing conducted by the Engineer-in-charge to assure the quality of the Geo-textile material)