GENERAL-Thalayar scheme-Pambar Basin -Thalayar scheme- Feasibility stage Geotechnical investigation of Lower Chattamunnar Dam in Thalayar scheme-By double tube barrel boring method - Investigation Work

Amount

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

OD16543/2022-2023:Conveying Diamond drilling machine, pump set and all other accessories from road end to bore hole site and back.

60.11.6:LEVELLING THE BORE HOLE- location site and making platform using sand filled gunny bags including cost of gunny bags and labour charges etc compete for setting the boring rigs ( 60 nos of gunny bags are required for each setting) ./Each

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.

60.11.8:SHIFTING OF PLANT- from bore holes to bore holes by head load including labour etc. complete.

56.3.a.1: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 ordinary soil.

56.4:Boring through all type of hard rock or similar refusal strata of N value greater than 50 using diamond core drilling bit for in land under water and banks of river.

OD16547/2022-2023:CORE BOXES- of size 150*27*5.3 cm ( 4 slots for each box) including packing of samples with proper cushioning to avoid further damage during transportation.

OD16553/2022-2023:PERMEABILITY TEST- In situ tests - Conducting field permeability tests in bore holes of 15 m depth at different elevations of average 3m interval, applying pressure of 2Kg/cm2, 4 Kg/cm2, 6Kg/cm2.( both ascending and descending)

OD16555/2022-2023:Rock core cutting for uneven surfaces and testing compressive strength

Benny Mathew

Bidder Name

George P O

Benny Mathew