Kerala Rail Development Corporation Limited Tender
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Kerala Rail Development Corporation Limited - KRDCL Tender
Civil And Construction
Eprocure
Opening Date19 Jan 2021
Closing Date2 Feb 2021
Tender Amount₹ 1,05,78,108
Costs
EMD
₹ 2,07,900Document Cost
₹ 5,000Tender Fee
Refer Documents
Summary
Geotechnical Investigations , Geological And Geophysical Surveys
Description
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Contact
Tender Id
2021_KRDCL_406932_1Bid Award Id
ViewTender No
KRDCL/118/R1/2020Tender Authority
Kerala Rail Development Corporation Limited ViewPurchaser Address
-Website
http://https://keralarail.com/
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Documents
BOQ Items
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Conducting subsoil exploration in all type of soil by drilling bore holes of 150mm diameter in soil strata and NX size (3’’/75mm) in rocky strata using TC Bit/diamond bit suitable with modern diesel driven/Electrically operated / mechanical means including refilling, reinstating the surface and disposal of muck, conducting all soil tests that is sufficient and necessary for determining the type of soil, bearing capacity and other geotechnical data required for design of embankments and cutting areas as specified by Engineer in charge upto 15 m. as per clause no 2.1 and 3(1).c of Scope of work, Volume- 2.
58
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57083
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Geotechnical investigations, Geological and Geophysical surveys for Tunnel sections at Kundara and other locations as per instruction of KRDCL.
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Geotechnical investigations
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Conducting subsoil exploration by drilling bore holes of 150mm diameter for all types of soil strata including soft rocks (RQD50) using TC Bit /diamond bit as required suitable with modern diesel driven/Electrically operated / mechanical means including refilling, reinstating the surface and disposal of muck, conducting all tests as per Scope of work, Volume- 2
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Boreholes Exploration (5 Nos)
120
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2550
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Conducting subsoil exploration by drilling bore holes of NX size (3’’/75mm) for all types of hard rocky strata (RQD50) using diamond bit suitable with modern diesel driven/Electrically operated / mechanical means including refilling, reinstating the surface and disposal of muck, conducting all tests to design tunnels, rock tests as per Scope of work, Volume- 2
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Boreholes Exploration (5 Nos)
80
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5006
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Field Permeability test as per IS 5529 (Part 1 ):2013 to determine the permeability of each subsurface strata encountered upto bed rock as well as to ascertain overall permeability of strata as per scope of work.
5
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2000
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Geological Mapping
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Detailed Geological mapping consisting of Tunnel areas of structural (Faults/ thrusts, Shear zones, Fold, joints etc), litho-logical, geomorphological and tectonic mapping on the proposed alignment for a corridor adequate width as per TOR of tender on either side of alignment in scale 1:5000 and submission of geological plan, L-section along the design alignment in scale 1:5000H & 1:500V as well as in scale 1:5000H &1:5000V as per scope of work.
5.7
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200000
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Geophysical Investigation on Tunnel location
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Conducting Seismic Refraction Test (SRT) by digital signal enhancement technique with variable profile lengths with geophone spacing of 5m to 10m covering spread length of 235m to 470m. Profile shall be planned in such a way that seven numbers of shots shall be taken considering 1 in the center, 1 in each extremity, 2 shots in between center and each extremity and 1 far offset in each side as per scope of work.
1400
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800
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Conducting Electrical Resistvity Tests (ERT) for 2-D Resistivity image mapping including data acquisition, data processing and interpretation for refining alignment at portals of tunnels as per scope o work.
5
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4500
Evaluation Notes How It Works ?
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