You might already have spawning habitat for SMB and YP taken care of with all that gravel, depending on placement. Forming specific beds for the SMB is a good idea, however. Logs near your SMB beds are supposed to be good habitat for SMB fry; if placed with a vertical component, YP may like them for spawning as well.
WRT fire protection, put in a dry hydrant! Contrary to what subdivision developers claim, they are not hard to do - my wife and I got ours right with no experience after attending a NRCS workshop on them. Make sure you interface with your local fire department so the outlet matches what they will be hooking up to.
Last edited by Theo Gallus; 05/09/24 01:45 PM. Reason: spelling