I get this error when trying to run bsp:
So, i can't judge what the wpoly even are.
After looing at the rmf, it doesn't seem to me your wpoly should be high at all, but you should be able to cut your compile time by changing the sinks, toilets and pretty much anything small or compicated or that doesn't block vis into func_walls, to cut your compile time. Also encase crazy shapes like the toilets and sinks in simple cube clipbrushes to cut down on clipnodes and unecessarily cutting vis leafs.
One sure way to change lower the wpoly is to up the texture scale(i noticed some of your textures scaled down to .5 and .6, which if you do that a lot it will really up your wpoly AND compile time), just don't make it too high, else your textures will really look shitty.