Here’s an example Rokh mining setup that can be flown by an Alpha clone:
70% cap stable
109k EHP (Omni)
194k EHP (Kin/Therm)
686 m3/min (Solo)
1,147 m3/min (Orca Boost)
41,184 m3/hour (Solo)
68,832 m3/hour (Orca Boost)
This is pretty much the cheapest, best tanked, most efficient Rokh mining setup that you can get for an Alpha clone. If you want to sink more ISK into it, you can replace the rigs with T2 variants. This setup is passive, which makes it neut-proof, but the shield resists can be changed to whatever you want. No implants are required for this fit. The only thing about using a battleship to mine as opposed to a Venture or a barge is that it cannot be AFK’d, which depending on your viewpoint is either a good or a bad thing. You will have to either mine into a jetcan or a hauler.