Construction of H.L Bridge with Weir over LOCAL nallah at - 0.260 K.M. on Badadora to Haladidangri road in the District of Nabarangpur under SBY for the year 2024-25.

Earth work in excavation of in hard soil with initial lead and lift including dressing the sides & leveling the bed of the foundation to the required width & required depth including dewatering if necessary and stacking the excavated materials away from working area etc.complete and as per specification and direction of Engineer-in-charge.

Earth work in excavation of in hard soil in foundation with initial lead and lift including dressing the sides & leveling the bed of the foundation to the required width & required depth including dewatering if necessary and stacking the excavated materials away from working area etc.complete and as per specification and direction of Engineer-in-charge.

Cement concrete (1:3:6) in foundation & plinth with 4cm. crusher broken granite metal of approved quality from approved quarry including hoisting lowering & laying in layers not exceeding 150mm. thick with proper packing & ramming each layer of concrete by means of vibrator ,providing groove & beads where necessary including curing, dewatering, shoring, shuttering if necessary at the time of laying concrete with cost, conveyance royality & taxes of all material required for the work including supplying & working pumps, T&P articles finishing the exposed surface smooth as per specific ation & direction of the Engineer-in-Charge.

In Substructure

In Foundation

Cement concrete of M-150 having maximum compressive strength of 150 kg./cm2 ( test to be conducted) on 150 mm. cubes tested at 28 days including curing (tests conducted in accordance with IS-456 & IS-516) & conforming to clause-302 of IRC 21/1987 using clean crusher broken hard granite coarse aggregate of 40 mm. size down grade of approved quality to be protested in the laboratory) obtained from approved quarry the proportion mix, grading conforming to relevant ISI/IRC codes including hoisting, lowering concrete in layers not exceeding 150 mm. thick each compacting with vibrator watering & curing for 28 days centering shuttering & finishing the exposed surface smooth providing grooves & beads where necessary including cost, conveyance royality & taxes of all labour machineries etc. required for the work complete in all respects including dismantling the centering & shuttering as per specification & direction of Engineer-in-Charge.

In Foundation

up to bed

In Substructure

RCC of design mix of M-30grade having specified characteristics compressive strength/ target mean strength of 250kg./cm2 in design mix with minimum quantity of cement as specified in IRC Code of 150 mm. cubes at 28 days curing after mixing & tests conducted in accordance with relevant clauses of IS 456/IS 516/IRC 216/1987/IRC-78/1983 using crusher broken hard granite course aggregate of 20mm. down graded.sizes & proportion as specified in clause-302.6.2 of IRC 21/1987 & IS-10262 & subject to mix design in conformity with the grading & proportion of different materials for concrete as specified in the relevant codes of approved quality, obtained from approved quarry & using minimum quantity of cement confirming to codal provision including hoisting, lowering & laying concrete in layers not exceeding 15cm thick compacting with vibrators watering & curing for 28 days including water tight steel centering , shuttering & form works finishing the exposed surface smooth providing beads & grooves wherever necessary including cost, conveyance royalties and all other taxes of all materials with all leads & lifts, cost of all labour T&P & machineries etc. required for the work including dewatering if necessary, complete in all respects as per direction of the Engineer-in-Charge but excluding cost, conveyance of tor steel & binding wire & labour charges for straightening, cutting, bending, binding welding & tying the grills lapping spacing etc. where ever necessary & hoisting & placing in position ( to be paid separately as required for RCC works)