.
The Offshore Installations (Prevention of Fire and Explosion, and Emergency Response) Regulations 1995 (SI 1995/743) – (PFEER) [Ref: 7]
.
The Offshore Installations and Wells (Design and Construction, etc.) Regulations 1996 (SI 1996/913) – (DCR) [Ref: 8].
Designers should be aware that the above regulations may subsequently be modified by other enabling legislation which introduces new or amended requirements that may have an affect on the intent of the original regulations.
Approved Codes of Practice (ACOP) that provide interpretation of these Regulations, along with other non-mandatory guidance are listed in Appendix 2. Duty holders who comply with ACOP’s are deemed to comply with the pertinent regulations.
The supporting guidance to DCR, Regulation 11 (‘Helicopter Landing Area’) refers to the relevant CAA published guidance, CAP 437 [Ref: 40].
Duty Holders of Offshore Installations and owners of vessels having a helideck should always ensure that compliance with CAP 437 is established initially (subject to any declared non-compliance), and subsequently maintained.
The CAA is in a position to enforce certain standards on helicopter operators. Essentially, this means that a helideck shall meet the minimum standards set out in CAP 437. Where these standards cannot be achieved in full, BHAB Helidecks apply relevant restrictions. The HSE regards CAP 437 as appropriate guidance regarding helideck standards.
In extreme cases where CAP 437 criteria cannot be fully met, this could entail a landing ban on the installation, MODU or vessel in certain weather conditions and / or on night operations.
4.3 SELECTING APPROPRIATE DESIGN CODES
The selection of appropriate design codes at the commencement of design is essential to ensure that the helideck structure and support systems are fit for purpose and meet UK regulatory and operational requirements.
4.3.1 Fixed Installations
Generally, selection of appropriate regulations, guidance and design codes for design and construction of a fixed installation to be placed on the UKCS is a straightforward matter. These guidelines address many of the current requirements throughout the text and should therefore provide designers with a good appreciation of the standards to be adopted.
4.3.2 Mobile Installations and Vessels
The selection of appropriate regulations, guidance and design codes for MODU and vessel helidecks is a different and often more complex matter.
Essentially, the starting point is the Owners specification for the MODU or vessel and this will dictate such things as the Country / Port of Registration, vessel class, operating regions, Classification Society, etc.
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