Investigation For the Construction Of Bridges along Ambalappuzha - Thottappally Kottaravalavu Bypass

Amount

Appendix- A Investigation For Bridge & Approach Roads

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 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.

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.

56.3.b.1 : 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 a depth of 20m including conducting necessary S.P.T and recovery of un disturbed soil samples at 5m.intervals.<br>For ordinary soil

56.3.c.1 : 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 20m upto 30m depth including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m.intervals.<br>For ordinary soil.

56.3.d.1 : 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 above 30m depth including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m.intervals.<br>For ordinary soil.

56.3.a.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 upto 10m. Including conducting necessary S.P.T and recovery of un disturbed soil samples at 5m.intervals.<br>For under water.

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.

56.3.c.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 20m upto 30m depth including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m.intervals.<br>For under water.

56.3.d.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 above 30m depth including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m.intervals.<br>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.

56.7 : Conducting standard penetration test in bore hole at any depth.

56.8 : Recovering disturbed samples and preserving the same in air tight sample containers including waxing labelling packing storing including cost of containers as per IS Code.

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.

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

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)

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.

56.12.b : Total station surveying and preparation of site plan for plain built up area with hindrance to line of sight due to buildings/structures.

56.13 : Providing access to the site clearing site and making good for surveying in order to provide clear line of site devoid of any hindrance due to vegetation etc. and clearing areas for station points (This item is applicable only for sites without access such as in case of new road formation,bridge and building sites at in accessible locations)

56.14.a : Cross section details:- River.

56.15.a : Hydraulic Velocity Calculation:- River.

56.16 : Preparation of Detailed Project Report of the bridge works containing alignment plan, key plan, contour plan , index map, longitudinal and cross section of road and River/Thodu cross section of bridge hydraulic and velocity calculations including neat filing and supplying five set DPR etc. as per the directions of the departmental officers.

56.17.1 : Providing access to the site,clearing site and making good to erecting and conducting soil testing transfers within the site and for any other temporary arrangements to be erected within the area in connection with conducting soil testing.

od3550/2018_2019 : Preparation of Pavement design including soil stabilization, approach road protective&lt;br&gt;works design , cross sectional drawings of pavements etc.&lt;br&gt;

C Two Infrastructure Private Limited

AA AND S CONSTRUCTIONS