GENERAL Investigation work for the improvement of pottammal palazhi road bet km 3 550 - 4 400 from NH 66 to Athanni Investigation Work

Investigation

OD219471/2025-2026:Preparing alignment for the proposed road and drawing out a suitable alignment meeting all requirements of Indian road congress(IRC)

OD229513/2025-2026:Preparing junction Improvement drawing with bus bays as per the direction of the Engineer in Charge including all cost of transportation,labour,preparing drawings,collecting data etc Complete.

OD229516/2025-2026:Imposing the alignment to Field Measurement Book and preparing LA strip plan with the list oof survey numbers and extends of each plot to be acquired as per the direction of the Engineering in charge including all cost of transportation,labour,preparing drawings with sufficient copies collecting data etc complete.

OD229522/2025-2026:Collection of sub-grade soil sample at 500m interval carefully by excavating pit of area1:0.6m through overlaying bituminous and granular layar 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 officers at site.

OD226342/2025-2026:Conducting subsoil investigation test at suitable intervals including taking samples,given size analysis,Temperature measurment,Atterbergs limits,Proctor compaction,Socked CBR value etc.Submitting compiled reports etc as per the IRC guide lines and direction of Departmentaln officers.

8.16:Reinforced cement concrete M-15 grade boundary pillars of standard design as per IRC:25-19767, fixed in position including finishing and lettering but excluding painting .

Appendix 2

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

56.11.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.

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

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.

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