Since I don’t have access to the full text of this specific GEOSS publication, I can provide a for reviewing such guidelines based on typical geotechnical engineering standards. If you share excerpts or key sections, I can give a more detailed critique.
Because water table is seasonal, GEOSS mandates that hand excavation only during dry season. A water-damaged pile must be dewatered with a local “bailing bucket” and cleaned before concreting.
5.4 Durability and corrosion considerations