Investigation Estimate for Retaining wall at Koomanthodu Bridge Approach in Thrithala - Kumbidi Road km 8/050-8/100

Amount

Soil investigation

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 work<br>For machine boringMobilization 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.<br>For machine boring.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.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 un disturbed soil samples at 5m.intervals.<br>For ordinary soil.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.b.2 : Boring with rotary power drilling equipment in all 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.<br>For under water.Boring with rotary power drilling equipment in all 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.

56.6 : Recovering undisturbed soil samples using thin tube sampler of 75mm.to 100mm length internal dia 500mm length conforming to relevant IS Code at any required depth including clearing the bore hole etc complete.Recovering undisturbed soil samples using thin tube sampler of 75mm.to 100mm length internal dia 500mm length conforming to relevant IS Code at any required depth including clearing the bore hole etc complete.

56.12.a : Total station surveying and preparation of site plan for Plain and open area without hindrance to line of sight with 1 m contour intervals , with 5m x 5m interval.Total station surveying and preparation of site plan for Plain and open area without hindrance to line of sight with 1 m contour intervals , with 5m x 5m interval.

56.11.c : Compilation of all field data with recommendation for a suitable foundation after conducting necessary lab tests (report in triplicate)<br>Additional set for machine boring(extra for bore holes exceeding 5 nos)Compilation of all field data with recommendation for a suitable foundation after conducting necessary lab tests (report in triplicate)Additional set for machine boring(extra for bore holes exceeding 5 nos)

od6771/2020_2021 : Preparation of DPR and drawings for earth retaining structures

KUTTAN UNNIMON

Bidder Name

THOTTUNGAL SHAJI

KUTTAN UNNIMON