2 REFERENCES 2.1 Normative references The following standards include provisions which, through reference in this text, constitute provisions of this NORSOK standard. Latest issue of the references shall be used unless otherwise agreed. Other recognized standards may be used provided it can be shown that they meet or exceed the requirements of the standards referenced below. ANSI/ASME B31.3 Process Piping API RP 14C Analysis, Design, Installation and Testing of Basic Surface Safety Systems on Offshore Production Platforms. (New revision of ISO 10418 to be used, when issued in 2000). API RP 520 Sizing, Selection and Installation of Pressure-Relieving Systems in Refineries API RP 521 Guide for Pressure-Relieving and Depressuring Systems. BS MA 18 Salt water piping systems in ships DIN 3381 Safety devices for gas supply installations operating at working pressures up to 100 bar; pressure relief governors and safety shut-off devices IEC 61508 Functional safety of electrical/electronic/programmable electronic safety related systems. NORSOK L-CR-001 Piping and valves (will be renumbered L-001) NORSOK R-CR-004 Piping and equipment insulation (will be renumbered R-004) Process Design P-001 Rev. 4 Oct. 1999 NORSOK Standard Page 4 of 36 NORSOK S-DP-001 Technical safety (Will be renumbered S-001) NORSOK S-002 Working environment 2.2 Informative references API 2000 Venting Atmospheric and Low-Pressure Storage Tanks API RP 14 E Design and Installation of Offshore Production Platform Piping Systems. (Will be covered in the new ISO standard 13703 which is now in preparation. When issued, the ISO standard will replace API RP 14E as a guideline for calculation methods, etc.) ISO/DIS-14313 Petroleum and Natural Gas Industries, Pipeline, Check, Gate and Plug valves ASME VIII Boiler and Pressure vessel code