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Project :

CONSTRUCTION OF ISARDA COFFER DAM

  CONSTRUCTION OF COFFER DAM INCLUDING POSITIVE CUT-OFF, PROTECTION WORKS AND DIVERSION CHANNEL AT THE PROPOSED ISARDA DAM SITE.
Client : IRRIGATION DEPARTMENT, GOVERNMENT OF RAJASTHAN
Location : 22 KM FROM TONK TOWN IN RAJASTHAN
   
 

Diaphragm wall with Anchor &
Bending moment Diagram of Diaphragm wall

Cross Section of Diaphragm Wall.

Cross Section of Diaphragm Wall.

Grabbing Work in Progress using 4 ton grabs and with bentonite circulation

Drilling of inclined holes in sand  using diamond drill machines for anchoring purpose

Anchoring work by Special Steel Wire for post tension anchoring

Details  

The work consists of 1600 M long RCC diaphragm wall, having a thickness of 60 cm in M-25 concrete with maximum depth of 26 meters. RCC Diaphragm wall has been constructed and anchored about 1 M in the foundation rock across Banas river whose bed is completely filled up with coarse and medium size sand. Besides, to overcome bending moment, about 520 Nos. of Post tension Anchors were also provided @ 2.5 M c/c. Post tension Anchors at 45° taking reaction from the other side of the rock are provided for stability, to take care of the water head and submerged weight of sand. The Diaphragm wall along with the protection work and anchors were completed, three months ahead of schedule. The same was achieved by 4 Nos. of Crawler Cranes, 2 Batching Plants, 22 Nos. Tippers, 2 Nos. Roller, 5 Nos. Excavators, 2 Crushers, 15 Drilling rigs, 5 grouting stations and other T&P with 12 engineers and more than 500 foreman, operators ,skilled & unskilled labour.

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U/s and D/s Coffer Dam Bisalpur

Besides these, we have completed many more such projects. Further details can be seen in company’s office at Indore.

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