i haven't done any person skin yet, BUT the plan is to make a seperate ems model with paramedic skills, one ff model with paramedic skills and one ff with emt skills.
the fire engines will be staffed with only emt ff's (BLS engine) or with only paramedic ff's (ALS engine)
there will be only one type of ambulances in version 1.0, staffef with two paramedics.
the beach patrol units will be equal to BLS emt's but will have "call random ambulance", "call random police unit" and "call random fire engine" commands. they will also be able to rescue people off the water.
so you will probably have to call a beach patrol unit (maybe in later versions a special sheriff unit) to rescue people from drowning
another feature that i've planned was a alarming/dispatch system like in Winterberg mod (much more simple though).
a mixture between LA mod and Winterberg maybe so that you at least got a limited amount of units which are stationed on the map or will come from neighbour counties/cities.
that's all for now

more visual updates to come soon!
greetz
rettungstier