6. Do not pierce the structural steel in any manner. Connections to the structural steel shall conform to UL 96A. //U. For obstruction lights, the following additional requirements shall apply: 1. Extend air terminals 300 mm (1 foot) above the top of the light fixtures and securely clamp to the light fixture supports. 2. Install 600 volt class lightning arresters. Connect the arresters to the lightning circuit conductors at suitable locations, and ground and bond them to the lightning protection system.// SPEC WRITER NOTE: Insert the following paragraph for connection to an existing lightning protection system. //V. Where the drawings show the new lightning protection system connected to an existing lightning protection system with or without a UL master label, the new portion of the lightning protection system requires UL inspection and a Letter of Findings.// 3.2 A. Test the ground resistance to earth by standard methods, and conform to the ground resistance requirements specified in Section 26 05 26, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS. B. A UL representative shall inspect the lightning protection system. Obtain and install a UL numbered master label for each of the lightning protection systems at the location directed by the UL representative and the //Resident Engineer// //COR//. ---END---
6. Do not pierce the structural steel in any manner. Connections to the structural steel shall conform to UL 96A. //U. For obstruction lights, the following additional requirements shall apply: 1. Extend air terminals 300 mm (1 foot) above the top of the light fixtures and securely clamp to the light fixture supports. 2. Install 600 volt class lightning arresters. Connect the arresters to the lightning circuit conductors at suitable locations, and ground and bond them to the lightning protection system.// SPEC WRITER NOTE: Insert the following paragraph for connection to an existing lightning protection system. //V. Where the drawings show the new lightning protection system connected to an existing lightning protection system with or without a UL master label, the new portion of the lightning protection system requires UL inspection and a Letter of Findings.// 3.2 A. Test the ground resistance to earth by standard methods, and conform to the ground resistance requirements specified in Section 26 05 26, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS. B. A UL representative shall inspect the lightning protection system. Obtain and install a UL numbered master label for each of the lightning protection systems at the location directed by the UL representative and the //Resident Engineer// //COR//. ---END---