This specification applies to the acceptance of lightning protection and grounding projects for new construction, expansion and reconstruction of communication bureaus (stations).
GB 51120-2015 Referenced Document
GB 50689 English version of 17 engineering construction standards including "Code for Design of Lightning Protection and Grounding Engineering of Communication Bureau (Station)"*, 2021-07-23 Update
GB 51120-2015 history
2015GB 51120-2015 Acceptance code for lightning protection and earthing engineering of telecommunication bureaus (stations)