JBLM Grounding and Lightning Protection, 10 Facilities

Grounding and lightning protection system upgrade across ten facilities at Joint Base Lewis-McChord, enhancing the safety and compliance of critical military buildings against lightning and power hazards. Cannon installed lightning protection systems on eight buildings to UL 96A, upgraded building grounding systems and power services including new power panel surge protection, installed a new main service fused disconnect and main conductors on one building and a chemical ground rod on another, and performed fall of potential testing on each grounding system with detailed reports for UL inspection, achieving UL master label certification.

Services Employed:

• Lightning protection systems installed on eight buildings, including ground rods and conductors to UL 96A
• Building grounding systems and power services upgraded
• New power panel surge protection to UL requirements
• New main service fused disconnect and main conductors installed on one building
• Chemical ground rod installed where soil conditions required it
• Fall of potential testing performed on each grounding system
• Detailed test reports provided for UL inspection
• UL master label certification achieved