Investigation for Check Dam cum Tractor Bridge construction in Njaviroor kadavu across Ithikkara river in Chathannoor Constituency

Amount

Clearing grass

2.32 : Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

Taking fly level

60.11.2 : Taking FLY LEVELS- from the nearest GTS BM and closing on the starting BM including conveyance of instruments etc along road or in heavily built up area or in roads with heavy traffic or in thick jungle ( out turn 4000 m / day )

56.14.a : Cross section details:- River.

Taking core boring at suitable places including erecting platforms and any other appliances

56.1.a : Mobilization including transportation of all necessary plan and equipment's and materials of boring field testing and sampling and demobilization after completing the workFor machine boring

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.

56.9.1 : Erecting platform over 2 nos of 2nd Class Boat USING Mango wood planks of of not less than 30 mm thick, Mango wood joists of 100mm x 70mm at 60cm 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 6.00m x 5.00m will be required)

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.

Setting up boring rig

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

Boring

56.3.a.1 : Boring with rotary power drilling equipment's inall 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 un disturbed soil samples at 5m.intervals.For ordinary soil.

56.3.a.2 : Boring with rotary power drilling equipment inall 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 un disturbed soil samples at 5m.intervals.For under water.

56.3.b.1 : Boring with rotary power drilling equipment inall types of soil having N value less than 50 excluding hard rock soft rock, or medium rock for strata for next 10m upto a depth of 20m including conducting necessary S.P.T and recovery of un disturbed soil samples at 5m.intervals.For ordinary soil

56.3.b.2 : Boring with rotary power drilling equipment inall types of soil having N value less than 50 excluding hard rock soft rock, or medium rock for strata for next 10m upto depth of 20m including conducting necessary S.P.T and recovery of un disturbed soil samples at 5m.intervals.For under water.

56.3.c.1 : Boring with rotary power drilling equipment inall types of soil having N value less than 50 excluding hard rock soft rock, or medium rock for strata for next 20m upto 30m depth including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m.intervals.For ordinary soil.

56.3.c.2 : Boring with rotary power drilling equipment inall types of soil having N value less than 50 excluding hard rock soft rock, or medium rock for strata for next 20m upto 30m depth including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m.intervals.For under water.

Boring

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 and banks of river.

od24358/2020_2021/IDRB : 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.

56.11.a : Compilation of all field data with recommendation for a suitable foundation after conducting necessary lab test (report in triplicate)Machine boring for 5 bore holes.

SHAJI K ANTONY

Technosol

G S Infrastructure

P.T.JAYARAJ

Bidder Name

P.T.JAYARAJ

G S Infrastructure

AA AND S CONSTRUCTIONS

Technosol

SHAJI K ANTONY