Irrigation And Waterways Directorate

Irrigation And Waterways Directorate has published Tender For Maintenance /Repairs To Syphone Structure At Ch.62.00, Ch.120.00 And Outlet Structure At Ch.54.00 (R/B), Ch.56.00 (R/B), Ch.160.00 (R/B) And Ch.180.00 (R/B) Of Dy-2 Of Bkbc Under Bolpur (I) Sub Division Within Mayurakshi South Canals Division. - 1 Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete.Depth of excavation not exceeding 1,500 mm. 2 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. 3 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. 4 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).25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. 5 Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work).With earth obtained from excavation of foundation. 6 Providing and Laying Reinforced Cement Concrete Pipe NP3 as per design in Single Row.Providing and laying reinforced cement concrete pipe NP3 with spigot socket for culverts on first class bedding of granular material in single row including fixing with cement mortar 1:2 as per Technical Specification Clause 1106 for Rural Roads of MORD.225 mm dia. 7 Providing and Laying Reinforced Cement Concrete Pipe NP3 as per design in Single Row.Providing and laying reinforced cement concrete pipe NP3 with spigot socket for culverts on first class bedding of granular material in single row including fixing with cement mortar 1:2 as per Technical Specification Clause 1106 for Rural Roads of MORD.300 mm dia. 8 Providing and laying Cement concrete Wearing coat M-30 grade with graded stone chips 19mm down including screening and cleaning approved stone chips and sand as necessary laying, finishing complete to camber and grade, curing with water, including cost and carriage of all materials and hire charges for form work including reinforcementcomplete as per drawing and Technical Specifications vide clause no. 2702 of MoRT&H’s Specification for Road & Bridge Works.R.C.C. grade M30. 9 Cast-in-situ cement concret blocks or lining units as per designed section and specification in nominal mix proportion1:1.5:3 (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 thickness not less than 100 micron 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 5.6 mm 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. Note: Provisions of the latest Departmental Manual for Lining in Irrigation Canals are to be followed, wherever applicable. 10 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.Ordinary soil / local soil / soil mixed with moorum or kankar / silt, dry or moist / slushy silt / sticky soil. . Last date of submission for this tender is 2025-02-17. This is a Structural Work tender in bolpur, West Bengal