To the question "Can an open parking garages" be located below high rise buildings?" The question is best answered by performing a code analysis based upon the required and applicable codes and regulations.
The construction and protection of, as well as the control of hazards in, open and enclosed parking structures, is covered by the standard for parking structures, NFPA 88A-2019.

High Rise Parking. For an employee and customer parking solution, Parkmatic deployed 2 Carousel units capable of accommodating 26 vehicles, including SUVs, without the need for attendants or valets.

Such details provide a deeper understanding and appreciation for Enclosed High-Rise Parking.
Elevate parking solutions with innovative high-rise designs for urban spaces. 53 people searched this.
20. Open or Enclosed Parking Structure. Natural ventilation requires openings in exterior walls of sufficient size distributed in such a way that fresh air will enter the facility to disperse and displace contaminated air.