Construction of bridge over river Birupa at Chandihata connecting R and B Road Khartanga and Arilo village

Earthwork in cutting of over burden earth for road way/ bridge works in all kinds of soil with hydraulic excavator of 0.9 Cum bucket capacity including cutting and loading in tippers, setting out, dressing of section to correct line, level, grade and camber transporting to embankment site within all lifts and lead upto 1000mtr., utilising the surplus earth locally for road work where ever required, back filling the excavated earth to the extent required complete in all respect as per approved drawing and technical specifications as per Section 900 and Clause 301 of MoRT&H Specifications for Road & Bridge works (5th Revision) & including cost of all labour, T&P, royalty etc complete and as per direction of Engineer-in-Charge.

Earth work in excavation of fondation in hard soil within the initial lead & lift including dressing & levelling the bed & depositiong the excavated earth away from the site etc. all complete as per the direction of Engineer in Charge.

Supplying, fitting, fixing and placing in position steel cutting edge including cost of steel etc required as per approved drawing and technical specifications as per Section 1200 & 1900 of MoRT&H Specifications for Road & Bridge works (5th Revision) and as per direction of the Engineer-in-charge.

Labour of sinking single circular well caission/ cribwell of specified external diameter in all kinds of soil to lines levels & plumb by scooping out from inside the well & below the steining by chiselling, grabbing blasting (if required) etc, including cost of dredging chiseling, hammering, cutting with pick axes & crow bars, jack hammers or using any other modern devices for removing the rock i.e. methods of sinking inside rock strata, including cost of necessary tools & plants supply & work of pumps, dredgers & compressors, derrick, winches, cranes etc. bailings out of water & dredging removing all materials & obstacles from inside the wells by divers excluding pneumatic sinking with Air lock (however the use of exposives in removing & braking the rocks is probibited inside the well if steel, cladding has not been provided) & removing the materials & obstacles from inside the wells by divers & other mechanical devices inclusive of hire & running charges of all such machinery including materials & labour charges for providing kentledge loading if necessary & sinking to the required depth by loading with proper designed & preapproved weight & taking precautions adequately against tilting & shifting & dispiosal of the dredged materials away from the wells as per section 1200 of MoRT&H specifications for Road & Bridge works (5th Revision) & as per the direction of Engineer-in charge with all leads & lifts including hire & running charges of all machenaries cost of all labour with all leads lifts complete in all repects including all incidental charges like temporary sand filling, top pluging of well etc. for safety of the structure during execution as directed by the Enginer-in charge. (Payment will only be made for sinking of the well & other items required for the well sinking operation is only incidental & no payment will be made for such items) 3.01 A) In all kinds of soil/ 3.02) Upto 10.00 m depth/ 3.03) 7.5 m dia well (Abutment)

7.5 m dia well (Pier)

7.0 m dia well (Pier)

11th Successive Mtr. Depth/ 3.06) 7.5 m dia well (Abutment)

7.5 m dia well (Pier)

7.0 m dia well (Pier)

12th Successive Mtr. Depth/ 3.09) 7.5 m dia well (Abutment)