ONLINE VERSIONProtection from collision with open windows etc.K5.1Requirement K5.1: Protection from collision with open windows etc. This approved document deals with the following requirement from Part K of Schedule 1 to the Building Regulations 2010. RequirementsRequirement Limits on applicationProtection from collision with open windows etc.K5.1—Provision shall be made to prevent people moving Requirement K5.1 does not apply to dwellings.in or about the building from colliding with open windows, skylights or ventilators.Performance In the Secretary of State’s view, you can meet requirement K5.1 if windows, skylights and ventilators can be left open without danger of people colliding with them. You can achieve this by one of the following methods.a. Install windows, skylights and ventilators so that projecting parts cannot come into contact with people moving in and around the building.b. Install features which guide people moving in or around the building away from any open window, skylight or ventilator. In special cases, such as in spaces where access is required only for maintenance, greater care can be expected from people and therefore a lower standard of provision may be acceptable.Building Regulations 2010 Approved Docu Approved Docu Approved Docu Approved Document K, 2013 edition 35ONLINE VERSIONONLINE VERSIONONLINE VERSION