riz lateef has been given rare access to have a look at the scale of the problem.ow, it down here below ground in the basement where the major problems are. andy, you're the chief engineer. tell us, what is going on down here? well, down here is where all the engineering services start. we've got ageing systems, and we've got things like gas alongside steam, alongside high—voltage electricity — you know, these are just things that you wouldn't have, and you wouldn't want to have. we make our way through what feels like never—ending corridors of cabling and pipes, so intertwined that for decades it's been a case of patch and mend. this is the engine room, if you like — it looks like a bit of a mess. it is a mess, and it all needs to be replaced, and it is of an age where it's all starting to fail, and this is all part of the fire risk that we've really got with the palace at the moment. hi, there — it's andy piper. we're about to go in the sewage plant room below speaker's green. so just watch yourself as you come down — they're very steep steps, as we go. the palac