SPT borehole for line transmission 1

[halc]

In brazilian line transmission 238 or 500kV foundation design, we do not make one SPT borehole per tower but one per 500m moreless.
Tell me something of your experiences about, please.
Sorry for bad english!

 

[cuky2000]

The number of site exploration depends of the project specification, the geotechnical engineer experience, data available from other projects in the vicinity and knowledge of the region.

You may have additional chance for specific response if you ask this question in the Transmission Structure Engineering, ( forum608 )