RE-EXCAVATION OF NOTUNPUKUR BUNDH

Bailing out water by pump including all leads and lifts and including making all arrangements for disposal, where continuous flow or seepage of water is encountered and rating of pumps and hours of operation is specifically ascertained as per direction of the Engineer-in-charge.

Excavation in ordinary soil/mixed soil i.e clay mixed with moorum, kankar, pebble/slit dry or moist/ slushy silt/sticky soil for WDS/WHS/reservoir/SFMIS etc with hydraullic excavator or any other means including cuttting and loading in tippers,trimming bottom and side slope in accordance with requirement of lines,grades and cross section and transporting to embankment/disposal site within all lift and lead upto 1000 m including spreading,levelling disposed spoils at disposed area.(mode of measurement: pre work and post work)

Excavation in gravel and moorum,kankar/compact moorum/very much weathered rocksi/sticky soil mixed withh moorum or ghooting for WDS/WHS/reservoir/SFMIS etc with hydraullic excavator or any other means including cuttting and loading in tippers,trimming bottom and side slope in accordance with requirement of lines,grades and cross section and transporting to embankment/disposal site within all lift and lead upto 1000 m including spreading,levelling disposed spoils at disposed area.(mode of measurement:pre work and post work)

Excavation in soft wheathered rock/salt laterite rocks for WDS/WHS/reservoir/SFMIS etc with hydraullic excavator any other means including cuttting and loading in tippers,trimming bottom and side slope in accordance with requirement of lines,grades and cross section and transporting to embankment/disposal site within all lift and lead upto 1000 m including spreading,levelling disposed spoils at disposed area.(mode of measurement:pre work and post work)

Extra rate where land is to be arranged by the contractor on Item Nos.1,2,3 & 4 for for disposal of spoils.

Turfing with chorkata or durba grass sods 5 cm. to 8 cm. thick in slope, crest berm etc. of embankments, canals and drainage channels etc. within a lead of 150 metre and all lifts including fine dressing, watering, ramming, guarding etc. complete. (sods will have to be arranged by the contractor at his own cost. Payment to be made on the grown grass only).

Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications.

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification..

INLETS (1 Nos) AND OUTLETS (2 Nos.) 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. (a) Depth of excavation not exceeding 1,500 mm.