I'm fitting some FD30 fire doors to some electrical and riser cupboards in the communal areas of a block of flats. The FRA stated that they should be BS EN 1634‐1 compliant. As they are not used for access they just have to be kept locked shut, with a sign saying 'Fire Door Keep Locked Shut', I had hoped to use Yale 8002 security bolts but realise now that they are not fire rated. I spoke to an ironmongers who recommended I use night latches! I really don't think these are very practical considering there are a number of locks, but also it seems excessive. I therefore wonder if anyone could recommend a suitable simple to fit lock which would meet the required standard?
Many thanks in advance.