The entire floor with concrete lab-on-grade was scanned with 1600 MHz, 900MHz, 400 MHz, 200 MHz antennas and swept with regular EM Radiodetection line locating equipment prior to deep bore hole drilling.
The entire floor with concrete lab-on-grade was scanned with 1600 MHz, 900MHz, 400 MHz, 200 MHz antennas and swept with regular EM Radiodetection line locating equipment prior to deep bore hole drilling.