UNE-EN ISO 19901-8:2023

This document specifies requirements, and provides recommendations and guidelines for marine soilinvestigations regarding:a) objectives, planning and execution of marine soil investigations;b) deployment of investigation equipment;c) drilling and logging;d) in situ testing;e) sampling;f) laboratory testing;g) reporting.Soil type references throughout this document follow the ISO 14688-1:2017 and ISO 14688-2:2017definitions. Rock materials are only covered by this document to the extent that marine soil investigationtools can be used, e.g. for chalk, calcareous soils, cemented soils or similar soft rock.Hard rock investigations are not covered by this document.NOTE 1 Clause D.13 provides guidance.Foundation design is not covered by this document.NOTE 2 ISO 19901-4 and the respective design standards for the specific types of offshore structures as listed inthe Foreword cover foundation design.The results from marine geophysical investigations are, when available and where appropriate, used forplanning, optimization and interpretation of marine soil investigations.This document neither covers the planning, execution and interpretation of marine geophysicalinvestigations nor the planning and scope of geohazard assessment studies, only the correspondingmarine soil investigations aspects thereof.NOTE 3 ISO 19901-10 covers the planning, execution and interpretation of marine geophysical investigations.This document provides requirements and guidance for obtaining measured values and derived values.This document excludes requirements and guidance for determination of design and representativevalues.This document is intended for clients, soil investigation contractors, designers, installation contractors,geotechnical laboratories and public and regulatory authorities concerned with marine soilinvestigations for any type of offshore structures, or geohazard assessment studies.