SET 9

SECTION 16670: LIGHTNING PROTECTION SYSTEM

PART I: GENERAL

1.01 Scope: Furnish all labor and items of service required for the removal of the existing lightning protection system and reinstallation of this system including any additional new materials required to meet current code criteria. 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 to the architect for approval. No such departures shall be made without the prior written approval of the architect. The following standards of the latest issue form a part of this specification: (A) Lightning Protection Institute Standard LPI 175; (B) National Fire Protection Association Code No. 780 (C) Underwriter's Laboratories UL 96 and UL 96A.

1.02: Quality Assurance: The lightning protection system shall conform to the requirements of the above cited standards. The LPI Conditional System Certification, shall be furnished and submitted. The equipment manufacturer shall be UL listed and approved. All new material specified for this work is manufactured by Thompson Lightning Protection, Inc., 901 Sibley Highway, St. Paul, Minnesota 55118, or approved equal. For approval of a manufacturer other than specified, proposed material data and proposed installation drawings must be submitted for review not less than ten days prior to bid.

1.03: Submittals: Complete shop drawings shall be prepared by the manufacturer and submitted to the architect for approval prior to start of work. The system installer shall submit to the architect an original, project specific, notarized certification from the equipment manufacturer verifying their qualifications as a lightning protection system installer. Samples and catalog data shall be submitted to the architect for approval upon request.

 

PART II: PRODUCTS

2.01 Standard: All existing materials must be inspected for compliance with current code criteria. Any worn, broken or damaged items shall be replaced by new material of equal or better construction. All new equipment shall be approved and labeled per LPI and UL requirements. All new equipment shall be the product of a single manufacturer as cited above, and of a design and construction to suit the application where it is used in accordance with LPI, UL, and NFPA requirements.

2.02 Equipment: All new materials shall match existing materials with respect to size, weight and construction. Existing downlead conductors from roof to ground, including thru-roof riser assemblies, shall be inspected and tested prior to reuse and must conform to current codes. Air terminal bases shall be of size, type, and construction required for use on this project. Cable fasteners shall be substantial in construction, electrolytically compatible with the conductor and mounting surface, and shall be spaced in accordance with current code criteria. Bonding devices, cable splicers, and miscellaneous connectors shall be of size, type, and construction required for use on this class of building. All miscellaneous bolts, nuts, and screws shall be stainless steel. Where applicable, an approved bimetal transition fitting shall be used at the roof level to change from aluminum roof conductor to copper downlead cable.