Details: soil investigation 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. 56.3.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. 56.5.a boring through all classes of rock excluding hard rocks having n
Sector: PWD