My DS (4) won ABA at Tribunal and we have a behaviour management plan to address issues such as tantrums, stim, aggression, self injurious behaviour, throwing etc. He has a system where he earns or loses tokens for behaviour. This is not unique to ABA - it should be part and parcel of caring for a child with ASD, but rarely exist in any useful format in mainstream.
It is however usually well outside the expertise of a pre school or even a mainstream teacher to develop a programme - it needs an autism or behaviour specialist really to devise the programme and supervise it. I do not who in our local authority is equipped to write a behaviour programme I suspect the behaviour support outreach team / CAMHS is but DS would never have been put in touch with them until much further down the line when it had all gone hideously wrong. The autism outreach probably should have done it but it never occurred to them. Probably because he was 3, blond and cute looking.
You should ask for something similar to go in the statement (if you get one). It is also another good reason to support getting a statement in that specialist input is required to manage challenging behaviour.
There are guidelines on behaviour management on Dept of Education website. Also look at Challenging Behaviour Foundation and British Institute of Learning Disabilities. The guidance is focussed at the SLD end of SN but in my mind apply equally to young children with autism, especially if you want to address this behaviour when they are young - which I certainly do because being hit by a 4 year old boy is one thing, being hit by a 14 year old boy is something else.
You need to ask for increased 1:1 now not when the statement comes because it is not fair on your DD or the other children and ask for support from someone qualified to do behaviour management. So you want the statement to say something like 'provide behaviour management programmes to teach appropriate behaviour and reduce inappropriate behavioural patterns'.
Also it should say that everyone working with your child be appropriately trained in implementing the programme and enforcing boundaries consistently at home and nursery.
DS is in mainstream by the way with ABA.
I know of some children in mainstream without ABA trained staff who hit their TAs often and one spends alot of time being restrained in a corridor. So you are right to push to address it now - however if you want mainstream you don't want to over-egg it in case they say not suitable for mainstream.
So you need to push the inclusion teacher - ask her if she will come in and set up a programme and do some training asap.