1. BS EN ISO 19901-3:2014. Petroleum and natural gas industries - Specific requirements for offshore structures - Part 3: Topsides structure

2. BS EN ISO 19901-4:2016. Petroleum and natural gas industries - Specific requirements for offshore structures - Part 4: Geotechnical and foundation design considerations (ISO 19901-4:2016)

3. BS EN ISO 19901-5:2016. Petroleum and natural gas industries - Specific requi rements for offshore structures - Part 5: Weight control during engineering and construction (ISO 19901-5:2016)

4. BS EN ISO 19901-6:2009. Petroleum and natural gas industries - Specific requirements for offshore structures - Part 6: Marine operations (ISO 19901- 6:2009)

5. BS EN ISO 19901-7:2013. Petroleum and natural gas industries - Specific requi rements for offshore structures - Part 7: Stationkeeping systems for floating offshore structures and obile offshore units

6. BS EN ISO 19901-8:2015. Petroleum and natural gas industries - Specific requirements for offshore structures - Part 8: Marine soil investigations (ISO 19901-8:2014)

7. BS EN ISO 19902:2007 + A1:2013. Petroleum and natural gas industries - Fixed steel offshore structures

8. BS EN ISO 19903:2006. Petroleum and natural gas industries - Fixed concrete offshore structures

9. BS EN ISO 19904-1:2006. Petroleum and natural gas industries - Floating offshore structures - Part 1: Monohulls, semi-submersibles and spars

10. BS EN ISO 19905-1:2016. Petroleum and natural gas industries - Site-specific assessment of mobile offshore units - Part 1: Jack-ups (ISO 19905-1:2016)