Part B - Certificates and approval requirements 
15 
and the results based on exemplary calculations. The comparison between parallel calculations and 
those in the presented load calculations forms a basis for the decision on whether to accept the loading 
assumptions and to issue the test report for the loading assumptions. 
3.2.3 Support structure without foundation elements 
Definition: 
The term support structure encompasses all constructional components and systems located between 
the seabed and the turbine (see 3.1). In general, the support structure can be subdivided into the tower 
and the substructure (see Figure 1). 
3.2.3.1 General 
The general material characteristics and strength properties shall be listed with regard to materials 
(concrete, reinforcing steel, prestressing steel, steel, etc.). Generally approved construction materials 
shall be used in accordance with the list of regulated construction products. Approval from the BSH is 
required if non-regulated products are used in an exceptional case (example „grouting“). The BSH may 
call on the services of appropriate assessors to assess the construction product under consideration for 
this purpose. 
3.2.3.2 Technical codes of practice 
Technical codes of practice listed below (not a complete list) shall be used as the basis, taking the cur 
rent version in each case. When using the structural design codes, the risks deviating from those of 
normal building structures are allowed to be considered to an appropriate extent. Deviations shall be 
indicated separately and justified. Final approval of the BSH for deviations is required; the BSH may 
engage the services of a suitable assessor for this purpose. 
Standards and directives governing offshore wind turbines (effects): 
IS] DIN 1055-4:2005-03, 
[4] I EC 61400-3, 
15] API RP 2A-LRFD, 
16] GL Guideline for the Certification of Offshore Wind Turbines. 
IZ1 DNV-OS-J101. 
Structural design codes: 
]8] DIN 18800-1 to-4, 
]9] DIN EN 1993-1 -2:2006-10 (Eurocode 3), 
HOI DIN 1045, 
n 11 DIN EN 1992-1 -1:2005-10 (Eurocode 2), 
f 121 DIN EN 206-01: 2001 -07. 
Remarks: 
• With regard to certifying cathodic corrosion protection, refer to the current version of the GL direc 
tive „VI Additional Rules and Guidelines, Part 9 - Materials and Welding, Chapter 6 - Guidelines for 
Corrosion Protection and Coating Systems“ f 131 and the DNV directive „Recommended Practice 
DNV-RP-B401. Cathodic Protection Design“ f141.