GENERAL-INVESTIGATION WORKS- Improvements to the feeder canal from Panmana boat jetty in Vattakkayal to National waterway III at Karunagappally LACInvestigation Work

Amount

Subsoil exploration

56.1.a:Mobilization including transportation of all necessary plant and equipment's and materials of boring, field testing and sampling and demobilization after completing the work - For machine boring

56.10:Hire charges for providing 2 nos of 2nd Class boat with boatman for erecting the platform over which the boring plant is to be erected, and 1 no of 2nd Class boat with 1 boatman for conveying the departmental staff and labour engaged from the banks to platform and back etc.

56.9.1:Erecting platform over 2 nos of 2nd Class Boat using Mango wood planks of not less than 30 mm thick, Mango wood joists of 100 mm x 70 mm at 60 cm intervals including labour and hire of all materials and dismantling the platform after completion of work etc complete. excluding hire of boats (A Platform of minimum size 6.00 m x 5.00 m will be required)

56.2.a:Setting up boring at each bore hole locations including carrying all necessary plant, equipment and materials of boring and field tests and collection of samples at each bore hole location - For machine boring.

56.3.a.2:Boring with rotary power drilling equipment's in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata upto 10m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For under water.

56.5.b:Boring through all classes of rock excluding hard rocks having N value greater than 50 using tungsten carbide drilling bit - In Water

OD11784/2023-2024:Compilation of all field data with quantity calculations of spoil (Qty of soil & Rock to be calculated separately) to be cut from the study area to obtain a draft of 1.70m from the L.W.L for each cross sections and recommendations regarding the quality of cut spoil to be obtained from dredging after conducting necessary lab test to be provided duly certified by a government agency (report in triplicate) -

Lamanto T. Somervell

Bidder Name

VARADARAJAN V

Lamanto T. Somervell