SOIL INVESTIGATION WORK FOR EDAKKARA BYEPASS IN MALAPPURAM DISTRICT

Amount

Soil Collection & Testing

Observed data 1 - Collection of sub-grade soil sample at 500m interval carefully by excavating pit of area 1.0*0.6m through overlying bituminous and granular layer or from subgrade of formation area as directed by the engineer in charge for laboratory test and filling back and compacting the excavated pit to lines and levels with excavated materials as directed by the departmental officer at site.

Observed Data 2 - Conducting Soil Classification test, Modified proctor Test,and CBR test as per the IS Code guidelines and making report of one soil sample

Traffic Survey Turning movement survey at THREE ARM Junction Observed Data 3 - Conducting turning movement survey at junction for one day for peak hours (7am to 11 am and 3.30 pm to 7.30 pm) by recording the classifed volume count in the prescribed format, including provision for engaging technicians and setting up of station etc and compiling the data and submitting the same in hard and soft copy etc. complete as per the instructions of PWD officials

Observed Data 4 - Conducting origin destination survey at one location for one day for peak hours (7am to 11 am and 3.30 pm to 7.30 pm) by recording the pedestrian count in the prescribed format, including provision for engaging technicians and setting up of station etc and compiling the data and submitting the details inhard and soft copy

56.12.a: Total station surveying and preparation of site plan - Plain and open area without hindrance to line of sight with 1 m contour intervals , with 5m x 5m interval. For Road upto panchayath road start

56.12.b - Total station surveying and preparation of site plan - Plain built up area with hindrance to line of sight due to buildings/structures for a) For road - 4.00 hect b) For Junction - 1.00 hect

Subsoil Investigation 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

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.

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.

56.3.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. In land (23 Bore Hole)

56.3.b.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 next 10m and upto a depth of 20m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For ordinary soil.

56.3.c.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 next 10m and upto a depth of 30m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For ordinary soil.

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

56.5.a - Boring through all classes of rock excluding hard rocks having N value greater than 50 using tungsten carbide drilling bit -

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.

56.7 - Conducting standard penetration test in bore hole at any depth. ( 19*23)

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. ( 19*23)

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. ( 14*23) In land

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.

56.11.c - Compilation of all field data with recommendation for a suitable foundation after conducting necessary lab test (report in triplicate) - Machine boring - Extra for additional set for bore holes exceeding 5 nos. a) for extra 18 boreholes

56.15.b - Hydraulic(MFL,OFL,LWL,HTL,LTL) and velocity calculation of water body a) Thodu

56.14.b - Cross Sectional details (longitudinal section along alignment of the culvert showing bed profile of the stream) a) Thodu

Greeshma Nizy Eujine

NIYAS K

G S Infrastructure

AA AND S CONSTRUCTIONS