If you intend to know if you may interconnect the lighting protection grounding with grounding grid this is the answer:
NFPA 780 Standard for the Installation of Lightning Protection Systems states:
4.14 Common Grounding.
4.14.1 General. All grounding media in or on a structure shall be interconnected to provide a common
ground potential.
4.14.1.1 This interconnection shall include lightning protection, electric service, telephone, and
antenna system grounds, as well as underground metallic piping systems.