Advanced Geotechniques can perform surface and subsurface exploratory work on all level or hillside projects. Such exploratory works are performed to obtain detailed information upon which the soils engineers and engineering geologists will base their recommendations for a grading project. The work will be based upon a detailed, accurate topographic map prepared by a land surveyor.

 (The map should include the existing and proposed contours, locations of streets, pads, slopes, structures and pertinent elevations prepared by a registered land surveyor supplied by the owner or Architect).            

Our exploratory subsurface investigations are conducted at locations considered most likely to reveal any subsurface weaknesses that may lead to landslide, slump or settlement failures. Investigation will be conducted where the stability may be reduced by the grading or if a hazardous condition exists (for example: fault zones, historic landslides, adversely sloped bedding planes, short range folding, overturned folds, etc. exists).

Our report includes a detailed geologic map showing bedrock, soil, alluvium, faults, shears, prominent joint systems, lithologic contacts, seeps or springs, soil or bedrock slumps, landslides or failures and other pertinent geologic features existing on the proposed grading site. Geologic cross-sections, prepared to reasonably depict anticipated geologic substructure, will also be included in sufficient number and detail. The report also will include detail logs of all borings, test pits or other subsurface data obtained during the course of our investigation. The subsurface exploration would extend to sufficient depth into the bedrock to expose the deepest rock affecting the proposed grading. The report will include specific details of cut slopes in zones of shallow or perched subsurface waters that may affect slope stability.

Other aids in exploratory work may be used but subsurface exploratory work sufficient to support the findings will be performed.