I'm sorry but just delete this map, it's way beyond saving. When you work with blocks and don't want to rely only on models, things like this are unacceptable:



As stated before by other posters your blocks have to follow at least some kind of grid (esp. when you want to use BSP maps), not only for technical reasons but to save you from headaches later on (or even right now) and for a little more professionalism.
Your approach should then look somehow like the following: