Repair to H.L bridge over river Brutanga on NH-224 to Gochhabari for the year 2025-26

Earth work excavation in foundation in Hard soil or gravelly soil within 50m initial lead and 1.5m initial lift including rough dressing and breaking clods to maximum 5cm to 7cm and laying in layers not exceeding 0.3m in depth asper direction of the Engineer-in-charge

Supplying and filling in foundation & plinth with sand in 23.5 cm (9") thick layers including watering and ramming with cost, conveyance, royality taxes of all materials, and labour with additional charges as decieded by the District Administration, DMF & EMF @15% on royality amount and labour charges, T&P etc. required for the work complete as per specification and direction of the Engineer-in-Charge.

Providing Cement Concrete (1:3:6) with 40mm size crusher broken granite metal of approved quality from approved quarry including hoisting lowering & levelling in position to required level in each layer not exceeding 15cm thick in foundation including frame work where necessary ramming using vibrator to proper slope and levelling curing dewatering with cost conveyance taxes royality, labour of all materials, with additional charges as decieded by the District Administration, DMF & EMF @15% on royality amount and including hire & running charges of machineries T&P required for the work including supplying & working of pumps and cess as per the specifiction and direction of Engineer-in- charge

Cement concrete (1:2.5:5) with 40 mm down graded size hard broken granite chips with all Cost, Conveyance , Royality & Taxes of all material and labour,T & P etc. Complete as per the direction of the Engineer-in-charge.

Providing and supplying of HYSD bars confirming to approved grade including straightening cutting bending bindiing lapping , welding etc confirming to ISI specification) & jointing if necessary by lapping & tying the grills & placing in position as required for RCC works as per the approved design placing the grills in position including cost & conveyance of tor steel & binding wires of 18 to 20 guage including cess etc complete as per the specifiction and direction of Engineer-in- charge

Providing weep holes in Brick masonary/Plain/Reinforced concrete abutment, wing wall / retaining wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of IV :20H towards drawing foce complete as per drawing and Technical as per the direction of the Engineer-in-charge.

Construction of embankment with approved material obtained from borrow pits with all lead and lifts transporting to site by machanical means within a lead of 5Kms spreading,grading to required slope and compacting to meet requirements of table 300-2 & clause 305 of MOSRT & H specification including royalty charges and cost of all materials labour charges,machineries, T & P cess etc required for the work complete as per direction of E.I.C