You have neglected to identify what type of veneer and how high you want it to go.
Is it to be decorative or is it to be part of the moisture protection system?
Anything above 4' should be considered a potential liability if of stone or masonry.
1405.6 Stone veneer. Stone veneer units not exceeding 10 inches in thickness shall be anchored directly to masonry, concrete or to stud construction by one of the following
ACI 530/ASCE 5/TMS 402 calls for 15 lb limit for exterior application and for interior application section 1405.9.1 calls for 20 lbs limit! Is something amiss??