12
Part A - Introduction
• ensures that the findings from the geological and geotechnical ground investigations as
part of Table 1, Part A and quality assurance requirements of geological exploration (Part B,
Sections 2, 3 and 7.2) are compiled and assessed whilst taking into consideration informa
tion from the geoscientists responsible for geological survey,
• states recommendations within the framework of the soil and foundation expertise before
preliminary and main site investigations on how the building ground behaviour under cycli
cal loads should be taken into account for foundation proposals as part of planning.
See Part C, section 4.1 to see the differences in the tasks of the geotechnical expert com
pared to the tasks of the geotechnical planner (Fachplaner für Geotechnik).
The geotechnical expert must be directly commissioned by the applicant or the approval
holder and must also be independent of the company which carries out the geotechnical sur
vey work; the geotechnical expert must carry out tasks autonomously without influence from
the applicant or approval holder regardless of their instructions.
Such monitoring of geotechnical surveys by the geotechnical expert or a suitable representa
tive must be proven to the Federal Maritime and Flydrographic Agency.
In addition to tasks appertaining to geotechnical surveys and investigations, the geotechnical
expert advises the applicant or approval holder regarding geotechnical planning and con
struction. This is performed in view of i.e. forming suitable soil models for considering the soil
structure interaction between structure and soil, appropriate consideration of certain con
struction characteristics, of geotechnical monitoring in the construction phase and periodic
inspections, especially when using the observational method (Beobachtungsmethode) in ac
cordance with DIN 1054 with regard to the observation programme which is geotechnically
necessary, the assessment of such and the requisite preparatory work for measures.
The geotechnical expert
• evaluates those findings regarding the soil which have been fed into the project from other
sources with regard to the respective soil model and
• inspects and assesses the appropriate incorporation of specifications in the soil and foun
dation expertise in the geotechnical planning of the design engineer.
In connection with the assessment of building ground behaviour under typical cyclical load for
offshore structures, tight coordination of content is necessary with the designing engineer of
the first and second release in accordance with Standard Design.
The applicant or approval holder can also consult further independent experts for certain geo
technical questions in cooperation with the geotechnical expert.
5 Verification of the supporting documents
The reports and studies listed in Part A section 2 of this guideline are the subject of a project-
related verification within the context of Standard Design and are subsequently submitted to
the Federal Maritime and Hydrographic Agency at the times shown in Table 2. The soil and
foundation expertise (development phase) is a fixed component of the design basis.