British Standards Institution

With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.

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Documents by this publisher

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Series details	Title	Year	Status
BS EN 516:2006	Prefabricated accessories for roofing - Installations for roof access - Walkways, treads and steps	2006	Current
BS EN 517:1995	Prefabricated accessories for roofing - roof safety hooks (Withdrawn)	1995	Withdrawn
BS EN 517:2006	Prefabricated accessories for roofing. Roof safety hooks	2006	Current
BS EN 518:1995	Structural timber - grading - requirements for visual strength grading standards (Withdrawn)	1995	Withdrawn
BS EN 519:1995	Structural timber - grading - requirements for machine strength graded timber and grading machines (Withdrawn)	1995	Withdrawn
BS EN 520:2004	Gypsum plasterboards - Definitions, requirements and test methods (+A1:2009) (incorporating corrigendum July 2006)	2004	Current
BS EN 520:2004	Gypsum plasterboards - Definitions, requirements and test methods (AMD Corrigendum 16421)	2004	Withdrawn
BS EN 521:2006	Specifications for dedicated liquefied petroleum gas appliances - portable vapour pressure liquefied petroleum gas appliances (Withdrawn)	2006	Withdrawn
BS EN 521:2019	Specifications for dedicated liquefied petroleum gas appliances - portable vapour pressure liquefied petroleum gas appliances	2019	Withdrawn
BS EN 521:2019	Specifications for dedicated liquefied petroleum gas appliances - portable vapour pressure liquefied petroleum gas appliances (Incorporating corrigendum August 2019)	2019	Current
BS EN 523:1997	Steel strip sheaths for prestressing tendons - terminology, requirements, quality control	1997	Withdrawn
BS EN 523:2003	Steel strip sheaths for prestressing tendons - Terminology, requirements, quality control	2003	Current
BS EN 524-1:1997	Steel strip sheaths for prestressing tendons - test methods. Determination of shape and dimensions	1997	Current
BS EN 524-2:1997	Steel strip sheaths for prestressing tendons - test methods. Determination of flexural behaviour	1997	Current
BS EN 524-3:1997	Steel strip sheaths for prestressing tendons - Test methods. To-and-fro bending test	1997	Current
BS EN 524-4:1997	Steel strip sheaths for prestressing tendons - Test methods. Determination of lateral load resistance	1997	Current
BS EN 524-5:1997	Steel strip sheaths for prestressing tendons - Test methods. Determination of tensile load resistance	1997	Current
BS EN 524-6:1997	Steel strip sheaths for prestressing tendons - Test methods. Determination of leaktightness (determination of water loss)	1997	Current
BS EN 525:1998	Non-domestic direct gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW (Withdrawn)	1998	Withdrawn
BS EN 525:2009	Non-domestic direct gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW (Withdrawn)	2009	Withdrawn, cited in regs

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