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INDIA<br />
<strong>TEESTA</strong> <strong>DAM</strong><br />
Cut - off wall / Permeation<br />
grouting<br />
<strong>TEESTA</strong> <strong>DAM</strong> PROJECT<br />
UPSTREAM COFFER <strong>DAM</strong>(NHPC)<br />
CUT-OFF ELEVATION<br />
LEFT BANK<br />
1<br />
RIGHT BANK<br />
A<br />
A1<br />
TOP OF JET GROUT CUT-OFF EL:539.00<br />
A2<br />
WORKING PLATFORM<br />
EL:540.00<br />
B<br />
DDH06<br />
A3<br />
A4<br />
<strong>TEESTA</strong> RIVER<br />
A5<br />
A6<br />
A7<br />
DDH07<br />
base of the clay core<br />
subject to NHPC<br />
dierctive<br />
LEGEND:<br />
ROCK PROFILE<br />
25/10/2002<br />
NOTE<br />
Rock fissure grouting below the jet grout cut-off wall:<br />
To be decided by the Engineer after the Lugeon tests to be<br />
carried out below the cut-off wall<br />
NOTE<br />
A1 - A7 : EXPLORATORY HOLES<br />
DDH06 - DDH07 : PREVIOUS GEOLOGICAL INVESTIGATION HOLES<br />
(EXPLORATORY HOLES)<br />
802503 -<br />
7/37
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