GeotechAIA Hesiod company

Borehole Digitizer

Turn scanned & handwritten geotechnical logs into structured AGS 4 data.

Drop borehole logs or factual reports
PDF, scanned or handwritten · multi-sheet supported

Boreholes

Graphic log

BH01
0510152025MGALTGLC641827223138445260SPT N →

BH01 — extracted log

GL 5.2 mAOD · E 558230 N 174110 · 25 m

96% confidence
TopBaseLegendDescription
0.001.40MGBrown gravelly sandy CLAY with fragments of brick, concrete and ash (MADE GROUND).
1.403.20ALSoft to firm grey slightly organic silty CLAY (ALLUVIUM).
3.206.10TGMedium dense brown fine to coarse SAND and subangular fine to coarse flint GRAVEL (RIVER TERRACE DEPOSITS).
6.1025.00LCStiff becoming very stiff grey-brown fissured CLAY with selenite crystals (LONDON CLAY FORMATION).

SPT N-values

1m · N=62.5m · N=44m · N=185.5m · N=277m · N=2210m · N=3113m · N=3816m · N=4419m · N=5222m · N=60

Groundwater

struck · 3.4mrest · 2.9m