Single And Double Flange Type Lightning Protection Earth Point CAD Drawing

The electrical lightning protection system method CAD drawing shows single and double flange type lightning protection earth point detail includes includes second housing and flange and has longer protective tube for installation where the concrete slab is deeper. all holes through fire barriers to be filled with smoke / flame proof fire barriers. the contractor shall be responsible for obtaining approval for the design from the relevant local authorities and also for the co-ordination during construction. download earthing detail drawing DWG file.