ITS Heartland
2013 Annual Meeting
March 25 – 27, 2013
Lightning & Grounding
Protection Devices
Preferred Lightning Protection
Presented by Ken Pettlon
2100 E. First Street
Maryville, MO 64468
www.preferredlp.com
sales@preferredlp.com
Manufacturer of UL Listed Products
Manufacturing Member of the LPI
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Lightning Protection Installation Standards
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Lightning Protection Component Standard
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
LPI Certification
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Preferred Lightning Protection
2100 E. First Street
www.preferredlp.com
Maryville, MO 64468
sales@preferredlp.com
Manufacturer of UL Listed Products
Manufacturing Member of the LPI
Provide design, shop drawings, materials, and installations nationwide
Design/Build Specialists
LPI Master/Installer Designers on staff
Over 150 years of combined Lightning Protection experience
Can design and custom‐make materials for any application
Over 60 years of combined field service and installation experience
All of our materials are made in the USA
UL Listed Materials
Custom drawings for bidding purposes
Specifications
Third Party Inspections
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Specifications – Part 1 ‐ General
1.1 Scope of Work
A. Under this section of the specifications the contractor shall furnish all labor, materials, tools and equipment required for the completion of a functional system of grounds, conductors, air terminals, and other component parts for protection against damage by lightning in accordance with the current editions of all codes, standards, and regulations.
1.2 Codes, Standards, and Regulations
A. NFPA 780 – Standard for the Installation of Lightning Protection Systems
B. UL 96 – Lightning Protection Components
C. UL 96A ‐ Installation Requirements for Lightning Protection Systems
D. LPI 175 – Standard of Practice for the Design‐Installation‐Inspection of Lightning Protection Systems
1.3 Submittals
A. Shop drawings indicating the location, size, and means of support for air terminals, bonding connections, conductors, and grounding shall be submitted to the architect and engineer for approval.
1.4 Quality Assurance
A. The Lightning Protection System shall conform to the requirements and standards for Lightning Protection Systems of UL, LPI and NFPA. Upon completion, the UL Master Label or LPI Master Installation Certificate shall be delivered.
B. A qualified Lightning Protection contractor listed with UL and under the supervision of an LPI Certified Master Installer shall be required for the installation of the Lightning Protection System.
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Specifications – Part 2 ‐ Products
2.1 Acceptable Manufacturer’s
A. Preferred Lightning Protection – 2100 E. First Street Maryville, MO – Ph. 660‐562‐2771
B. Approved Equals
2.2 Materials
A. All components shall be new and of a design and construction to suit the application.
B. All components shall conform to the requirements of UL 96A and NFPA 780 for the structure.
C. All components shall be Aluminum, Copper, Bronze, or Stainless Steel
D. Components shall not be installed in locations where corrosion of dissimilar metals may occur.
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Specifications – Part 3 ‐ Execution
3.1 Installation
A. Install in accordance with the manufacturer’s design.
B. Install in accordance with the requirements of current editions of UL 96A, NFPA 780, and LPI 175.
C. The Lightning Protection System shall be installed in a neat and inconspicuous manner so all components blend with the building appearance.
D. All required sealing, flashing, pavers, slip sheets, or pads required for the Lightning Protection System shall be furnished and installed by the Roofing Contractor so as not to void the warranty.
E. All trenching, backfilling, and compacting required for the grounding system shall be provided by the General Contractor.
F. A surge protection device conforming to the current edition of UL 1449 shall be installed on the electrical entrance by the Electrical Contractor.
G. Surge protection for telephone, radio, antennas, CATV, CCTV, data lines, satellites, and service entrances shall be installed by the system provider.
3.2 Field Quality Control
A. The installation shall be made under the direct supervision of an LPI Master Installer.
B. Upon completion of the installation, a UL Master Label or LPI Master Installation Certificate shall be obtained for the structure(s).
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Lightning Protection Installation Basics
Air terminals must be located within 2 feet of outside corners
Air terminals must be spaced at 20 foot maximum intervals
Air terminals must extend 10 inches minimum above the object being protected
Air terminals over 24 inches in height must be supported at the mid‐point
Copper materials must not come into contact with dissimilar metals
Lightning Protection cables must be anchored at 36 inch maximum intervals
Aluminum materials must be changed to copper 18 inches minimum above finished grade
Objects over 75 feet in height must be protected with Class II materials
Ground Rods shall be driven to a minimum depth of 10 foot below grade
Ground rod connection shall be 2 foot away from the structure and 1 foot below grade (minimum)
Ground rod connectors shall contact the ground rod for a minimum contact length of 1‐1/2 inches measured parallel to the axis of the ground rod. The clamp shall be secured with at least 2 bolts
In areas where ground rods cannot be driven, ground plates may be utilized
The electric service ground shall be connected to the Lightning Protection System with a full‐size lightning protection conductor
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Transition from Aluminum to Copper Materials
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Air Terminals on Steel I‐Beam Supports
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Air Terminals on Round Supports
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Air Terminal Placement
Placement of air terminals is determined by the width and length of the object being protected.
If the object is over 20 feet long, then air terminals must be spaced at 20 foot intervals
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Offset Air Terminal on Free‐Standing Camera Mast
Air Terminal must be 10 inches minimum above the object being protected
Air Terminals over 24 inches in length must be supported at the half‐way point
Air Terminals can be offset to custom camera dimensions
U‐bolt style clamps are user‐friendly
Camera mast must be 3/16 inch in thickness to avoid cable installation
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Air Terminal on Satellite Dish
Satellite Dishes must be protected with an air terminal in order to create a zone of protection around the dish
Air Terminal must be 10 inches minimum above the dish and have a two‐way path to ground
Cable can be run from the air terminal to structural steel or to the nearest ground location
Cable must be supported at 3 foot minimum intervals
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Control Building – Lightning Protection System
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Communications Towers – Lightning Protection System
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Class I Lightning Protection Conductors
No. A50 Aluminum Cable
No. C50 Copper Cable
Aluminum Smooth Weave Cable (Class I)
Copper Smooth Weave Cable (Class I)
24 strands of .065 inch (14 gauge) aluminum wire
29 strands of .046 inch (17 gauge) copper wire
98,640 cm of conductivity
61,350 cm of conductivity
98 lbs. per 1000 feet
189 lbs. per 1000 feet
U.L. Listed
U.L. Listed
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Class II Lightning Protection Conductors
No. A55 Aluminum Cable
Aluminum Concentric Cable (Class II)
No. C55 Copper Cable
Copper Rope Lay Cable (Class II)
37 strands of .0.0757 inch aluminum wire
28 strands of .067 inch copper wire
211,700 cm of conductivity
125,600 cm of conductivity
204 lbs. per 1000 feet
380 lbs. per 1000 feet
U.L. Listed
U.L. Listed
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Structural Steel Bonds
No. C410 Bonding Plate
Preferred Lightning Protection No. C414 Bonding Clamp
Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603
Preferred Lightning Protection
2100 E. First Street
www.preferredlp.com
Maryville, MO 64468
sales@preferredlp.com
Manufacturer of UL Listed Products
Manufacturing Member of the LPI
Our installation crew members have completed OSHA training
Troubleshoot projects over the phone or with a site visit
We guarantee against defects in materials and workmanship for a period of one year from the shipment date.
We have current versions of AutoCAD
We are a family business and customer service is our main goal
American Made Products
Preferred Lightning Protection Phone 660‐562‐2771 or 1‐866‐299‐7406
Fax: 660‐582‐2603