Generic RAs are fine for activities that are undertaken on a regular basis. They should describe the hazards involved and the standard control measures routinely employed to reduec the risks to an acceptable level.
They are suitable for repetitive training activities carried out in training units, Cadets fall into this bracket.
However Generic RAs should be reviewed to ensure that they are applicable to the activity at that time and location.
The format of the Generic RA you have been refering to is for Military Training. If you delete the text ensure that the reference material that you insert in your new RA is relevant.
The Training Safety Advisor responsible for the County / Battalion is the person to speak to. He very probably has numerous Generic RAs for different activities.