AUGMENTATION OF EXISTING BARSHI WATER SUPPLY SCHEME FROM UJJANI DAM - PHASE II,DIST SOLAPUR UNDER AMRUT 2.0

Subwork No 1 Approach Channel Length - 50 Meter Item No 1 Excavation in general in soft material comprising of soft soil, soft murum, sand, hard murum with boulders in wet or dry condition for Head Works i.e. Intake Well, Connecting Pipe, Jack Well, Pump House, Supply Well, etc. for lift 0 to 1.5 M and lead of 150 M including baricating, gurading, disposing off surplus excavated stuff within a radius of 0.5 km. as directed by Engineer-in- charge, etc. complete excluding refilling. For Head Works on river or dam submergence for initial lift of 0 to 1.5 M RL 486.00 to RL 484.5

Item No 2 Excavation in general in hard material comprising of soft rock, hard rock, Manjara rock, etc, by blasting / controlled blasting, chiselling as required in wet or dry condition for Head Works i.e. Intake Well, Connecting Pipe, Jack Well, Pump House, supply Well, etc. for lift 0 to 1.5 M and lead of 150 M including baricading, guarding, disposing off surplus excavated stuff within a radius of 0.5 km. as directed by Engineer-in-charge, excluding refilling. For Head Works on river or dam sub mergence for initial lift of 0 to 1.5 M lift 1.5 m to 3 m RL 484.5 to 483.0

Excavation in general in hard material comprising of soft rock, hard rock, Manjara rock, etc, by blasting / controlled blasting, chiselling as required in wet or dry condition for Head Works i.e. Intake Well, Connecting Pipe, Jack Well, Pump House, supply Well, etc. for lift 0 to 1.5 M and lead of 150 M including baricading, guarding, disposing off surplus excavated stuff within a radius of 0.5 km. as directed by Engineer-in-charge, excluding refilling. For Head Works on river or dam sub mergence for lift 3 m to 4.5 m RL 483.0 to RL 481.5

Excavation in general in hard material comprising of soft rock, hard rock, Manjara rock, etc, by blasting / controlled blasting, chiselling as required in wet or dry condition for Head Works i.e. Intake Well, Connecting Pipe, Jack Well, Pump House, supply Well, etc. for lift 0 to 1.5 M and lead of 150 M including baricading, guarding, disposing off surplus excavated stuff within a radius of 0.5 km. as directed by Engineer-in-charge, excluding refilling. For Head Works on river or dam sub mergence for lift 4.5 m to 6 m RL 481.5 to 480.0

Excavation in general in hard material comprising of soft rock, hard rock, Manjara rock, etc, by blasting / controlled blasting, chiselling as required in wet or dry condition for Head Works i.e. Intake Well, Connecting Pipe, Jack Well, Pump House, supply Well, etc. for lift 0 to 1.5 M and lead of 150 M including baricading, guarding, disposing off surplus excavated stuff within a radius of 0.5 km. as directed by Engineer-in-charge, excluding refilling. For Head Works on river or dam sub mergence for lift 6 m to 7.5 m RL 480.00 to 479.0

Item No 3 Disposing surplus material beyond 5 km distance including loading, unloading and transporting etc complete Total excavation

Item No 4 Dewatering charges for estimation purpose for head works in river basin or dam a)      Approach channel

Subwork No 2 - Coffer Dam Item No 1 Providing, constructing coffer dam in river basin / dam storages as per type design including excavation, filling the middle portion with B.C. soil (in gunny bags if required). Providing impervious / semipervious materials on both sides of B.C. soil (in gunny bags if required) including ramming, compacting to the satisfaction of Engineer-in-charge till the completion of work including dismantling coffer dam after completion of works and disposing off the material as directed by the Engineer-in-charge. Note : Pay line maximum. Top width payable shall be 2 Mtr. and maximum payable side slopes shall be 1.5 horizontal to 1 vertical, if the constructed top width of the side slopes are less, then the measurements at actual are payable. Extra top width or flat slopes are not payable. Contractor is free to use ballies, plastic sheets, piles, pipes, CGI sheets for supporting hearting materials instead of impervious/ semi-pervious hearting materials for which no extra payments shall be payable. 30% payment shall be withheld for dismantling of coffer dam. This foot note shall appear in tender condition. (Type section is shown on last page of type design section of CSR). Coffer Dam is considered for Approach channel , Jack well & Approach bridge

Subwork 3 Jack Well & Pump House Item No 1 Excavation in general in soft material comprising of soft soil, soft murum, sand, hard murum with boulders in wet or dry condition for Head Works i.e. Intake Well, Connecting Pipe, Jack Well, Pump House, Supply Well, etc. for lift 0 to 1.5 M and lead of 150 M including baricating, gurading, disposing off surplus excavated stuff within a radius of 0.5 km. as directed by Engineer-in- charge, etc. complete excluding refilling. For Head Works on river or dam submergence for initial lift of 0 to 1.5 M lift 0 to 1.5 m from RL 486.01 to RL 484.500

Excavation in general in soft material comprising of soft soil, soft murum, sand, hard murum with boulders in wet or dry condition for Head Works i.e. Intake Well, Connecting Pipe, Jack Well, Pump House, Supply Well, etc. for lift 0 to 1.5 M and lead of 150 M including baricating, gurading, disposing off surplus excavated stuff within a radius of 0.5 km. as directed by Engineer-in- charge, etc. complete excluding refilling. lift 1.5 to 3 m from RL 484.50 to RL 483.000