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Part B - Verifications and approval requirements 
2.6.4 Documents to be submitted when applying for decommissioning release 
[Doc. No. 260] Decommissioning instruction manual 
- This document shall contain a description of at least the following points 
in a plausible and transparent manner: 
- Decommissioning phase plan, incl. a short description of the most impor 
tant work to be carried out 
- Information on how the decommissioning zone is to be secured 
- Description of the transport and disassembly conditions 
- Description of the evidence confirming the purity of the seabed (incidental 
provision No. 13.6) and the proper disposal of waste and waste water ge 
nerated by the construction site. 
[Doc. No. 261] Verification report pertaining to Doc. No. 260 
[Doc. No. 262] Certificate of conformity pertaining to the decommissioning plan 
[Doc. No. 263] Verification of the decommissioning depth to be obtained through suitable 
measuring procedures or a comparative assessment of the work logs, resp. 
daily reports 
[Doc. No. 264] Confirmation of the appointed inspector with regard to the decommissio 
ning work 
This document shall contain a plausible and transparent description of the 
inspection that includes at least the following points: 
- Verification of the design documentation 
- Verification pertaining to the disassembly and transport concept 
- Verification pertaining to the towing procedures 
- The decommissioned components and accessories shall be classified ac 
cording to the current state of the art at this point in time 
- Material certificates, disassembly conditions, anchor devices etc. 
- Disposal verifications covering all stages until reaching the quayside 
- Verification pertaining to the decommissioning depth. 
2.6.5 Documents to be submitted in order to close the decommissioning phase 
[Doc. No. 270] Final as-built report 
The final as-built report shall document the final status of the decommissio 
ning work and shall serve to pass on the data so that it may be accordingly 
added to the nautical charts once the operating life of the installation has 
come to an end. 
[Doc. No. 271] Inspection reports and certificate of conformity following the completion of 
the decommissioning work