.
gas / exhaust emissions and turbulence environment
.
effects of vessel motions (if applicable)
.
suitable helideck height
.
clear landing approach and take-off paths
. obstructions within permitted limits
.
falling gradient (i.e. 5:1)
.
access and escape routes
.
parking arrangements, if provided
.
lighting
.
markings
.
friction surface
.
tiedowns
.
helideck net and perimeter safety net
.
refuelling facilities
.
firefighting equipment – hardware aspects
.
helideck details in the Operations Manual.
During the helideck design verification process, the appropriate design documents including drawings, wind tunnel test reports, etc. should be reviewed and verified by an independent competent person (ICP).
BHAB Helidecks should also be notified at the commencement of ‘new’ helideck designs or modifications to existing helidecks and, when appropriate, consulted on issues concerning potential non-compliances with CAP 437 requirements. At the conclusion of the helideck design and fabrication, a set of ‘up to date’ design documents including drawings, wind tunnel test reports, etc. should be passed to BHAB Helidecks for their review, comment and retention. It should be clearly understood that modifications on installations, MODUs and vessels in areas off the actual helideck and some distance away can adversely affect helideck operations
(e.g. the addition of new modules, repositioning of gas turbine exhausts and vent systems, etc.).
Upon satisfactory completion of the helideck Hook Up and Commissioning, BHAB Helidecks should be notified in order for them to undertake an initial inspection of the helideck and its systems prior to the commencement of flight operations. The inspection will follow the approved Offshore Helideck Inspection Report (OHIR) format.
This initial inspection, along with an appraisal of the relevant design documents, will highlight non-compliances and thus assist BHAB Helidecks with determining whether operational limitations should be applied.
4.4.6 Providing Information for Operating and Flight Crew Operations Manuals
One of the imperatives at the conclusion of helideck design and construction is to provide relevant and complete technical information for future use by the helideck and flight crews.
As part of the inspection / acceptance process BHAB Helidecks require a full set of plans and documentation as listed on the Offshore Helideck Inspection Report (OHIR).
Information to be gathered for inclusion in the installation or vessel operations manuals should be largely the same as that required to develop the Design and Operability Report (template provided in Section 5.5). In particular, it is essential to include any information to be provided in written instructions to flight crews, OIMs and helideck crews.
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