The Regulatory Authority must refuse to grant an approval in principle unless satisfied that--
(a) the proposed education and care service premises (once constructed, altered or repaired) and the site and location of those premises--(i) will be suitable for the operation of an education and care service; and(ii) will meet the approval in principle criteria; and
(b) the proposed education and care service premises will have direct egress to an assembly area to allow the safe evacuation of all children.