MECC 260-B3260-105 M23ME173 Addendum 02 2025-02-07.pdf

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DIVISION 16 - SECTION 16670

LIGHTNING PROTECTION SYSTEM

PART I - GENERAL

1.01 SUMMARY

1. To provide safety for the building and occupants by preventing damage to building structure caused by lightning.

2. The work covered under this section of the specification consists of furnishing labor, materials and services required for the removal, protected storage, re-installation and re-certification of a functional and unobtrusive lightning protection system.

3. Existing lightning system to be removed, safely stored, re-installed and re-certified by a LPI-certified contractor or as a UL listed lightning protection installation company to the requirements of the original installation.

4. Reinstalled lightning protection system shall Bond to the structure, the electrode system, and gas piping as required by code. NEC 250.106, NFPA 54:7.13.4

5. The lightning protection system label shall include all services with no exceptions

6. The inspection shall certify the final installation to obtain a master label for all elements to include the facility and services entering the facility.

1.02 STANDARDS

Standards: The completed lightning protection system shall comply with the latest issue of the following standards which form a part of this specification. Where conflicts occur between the two standards, the requirements of NFPA®780 shall apply.

1. NFPA® 780, Standard for the Installation of Lightning Protection Systems.

2. UL 96A, Installation Requirements for Lightning Protection Systems

1.03 SYSTEM DESIGN

The work covered by this section of the specifications consists of furnishing all labor, Materials and items of service required for the completion of a functional and unobtrusive lightning protection system in strict accordance with this Section of the specifications and the applicable contract drawings. If any departure from the contract drawings or submittal drawings covered below are deemed necessary by the Contractor, details of such departures and reasons therefore shall be submitted as soon as practical to the architect and engineer for approval.

1.05 QUALITY ASSURANCE

1. The lightning protection system shall conform to the requirements and standards for lightning protection systems of UL and NFPA. Upon completion, application shall be made to the Underwriters Laboratories, Inc. for inspection and issuance of the UL Master Label.

2. The installing contractor shall apply for inspection of the completed system by UL field representatives. The system is to be inspected by Underwriters Laboratories Inc, or other ANSI certified testing agency for compliance with NFPA® 780. The system shall be without deviation and the UL field representative will issue a UL Master Label® Certificate of Inspection for

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Lightning Protection Systems or Letter of Findings at completion of the installation.

PART 2 - PRODUCTS

2.01 This section not used

PART 3 - EXECUTION

3.01 Installation: The installation shall be accomplished by an experienced installation company that is listed with Underwriters Laboratories for lightning protection installation. All equipment shall be re-installed in a neat, workmanlike manner. The re-installed system shall consist of a complete conductor network at the roof and include air terminals, connectors, splicers, bonds, down leads and proper ground terminals.

3.02 Coordination: The lightning protection installer will work with other trades to ensure a correct, neat and unobtrusive installation. The roofing contractor will be responsible for sealing and flashing all lightning protection roof penetrations as per the roof Manufacturer’s recommendations.

Note: Lightning Protection penetrations and/or attachment procedures should be addressed in the roofing section of the specifications.

3.03 INSPECTION AND CERTIFICATION

1. Upon completion of the installation, the contractor shall re-certify the re-installed lightning protection system by a LPI-certified contractor or as a UL listed lightning protection installation company to the requirements of the original installation. Submit lightning protection system UL Master Label.

END OF SECTION 16670

END OF SECTION 16670