1. APPLICABLE STANDARDS AND REGULATIONS
Installations shall be designed in accordance with the following regulations and standards.
—NFC 17–102 / 2011: “Protection of structures and open areas against lightning by an Active Lightning Rod”
—UNE 21–186: “Protection of structures and open areas against lightning by an Active Lightning Rod”
— TS 13709: “Protection against Lightning – Active Lightning Rods” (May 2016)
—Ministry of Energy and Natural Resources: “Regulation on Grounding for Electrical Installations” (Official Gazette dated 21.08.2001)
—TS EN 62561–1: “Lightning Protection System Components (LPSC) Part 1: Requirements for connection components” (June 2013)
—TS EN 62561–2: “Lightning Protection System Components (LPSC) Part 2: Requirements for conductors and earth electrodes” (June 2013)
2. PROPERTIES OF ACTIVE LIGHTNING ROD HEAD
The Active Lightning Rod head shall have the following properties.
—It shall be made of 316 stainless steel with high resistance against corrosion.
—It shall have wind resistance test certificate.
—It shall feature early streamer emission (E.S.E) operating system.
—It shall include the original test device manufactured for the head for testing on the site of actual installation.
—ΔT advance time shall comply with TS 13709 and NFC 17–102. The test to prove its compliance with standards shall be conducted in a laboratory with an impulse generator having a minimum of 4000 kV lightning impulse voltage, and the voltage value of impulse generator shall be provided in test report. These laboratories shall be accredited to conduct those tests described in NFC 17-102.
—It shall comply with TS EN 60068-2-1; – It shall be smoothly operable at temperatures from 40 to 120 C.
—It shall be subjected to class H 100 kA lightning test current provided in article 6.3 of TS EN 62561-1 and certified for smooth operation after exposure to this current.
—It shall be subjected to tightness tests in accordance with TS 3033 EN 60529 and have a protection rating of IP65.
—The manufacturer or the distributor shall be certified by ISO 9001, 14001, OHSAS 18001 and TS EN 62561-1 and TS EN 62561-2.
—It shall feature an anti-corrosion warranty for a period of 25 years as provided by the manufacturer.
3. LIGHTNING ROD POLE
The Lightning Rod pole shall have the following properties.
—It shall be 2” in diameter and 6 meters in length and support the lightning rod securely; and it shall be resistant and solid against all kinds of weather conditions and external factors.
—It shall be installed onto the possible highest point of the structure.
—If higher than 6 meters, it shall be fixed with guy wires at three points in minimum.
—The fixing clamps of ridgepole shall be of adequate thickness in line with the type of ridgepole, and made of galvanized steel.
—The lightning rod head shall be connected to the pole with an appropriate connection unit.
—The pole height shall not drop below the minimum pole height value set out in TS 13709 and NFC 17-102. E.S.E Active Lightning Rod General Technical Specifications yetkili mühendisin onayı doğrultusunda raporlanacaktır.
12. MONTAJ ŞARTLARI
Montajı yapan firmanın sahip olması gereken belge ve nitelikler aşağıdaki gibi olacaktır.
—Montaj ve demontaj yapılırken, işçi sağlığı ve güvenliği açışından hava koşullarına dikkat edilecek, deşarjlı havalarda çalışılmayacaktır.
—Paratoner başlığı dışında kullanılacak malzemeler, TS EN 62561–1 (Yıldırımdan Korunma Bileşenleri: Bölüm 1 / Haziran 2013) ve TS EN 62561–2 (Yıldırımdan Korunma Bileşenleri : Bölüm 2 / Haziran 2013) standardlarına uygun olarak imal edilmiş olacaktır.
—Montajı yapan firma ISO 9001 Kalite Yönetim Sistemi ve ISO 14001 Çevre Yönetim Sistemi sertifikalarına sahip olacaktır.
—Montajı yapan firmanın OHSAS 18001 Sertifikası olması tercih sebebidir.
17 Specifications
4. DOWN CONDUCTOR
The down conductor shall have the following properties.
—A minimum of 2 adjacent down conductors should be available for structures with a height up to 60 meters and 4 adjacent down conductors for structures higher than 60 meters.
—It shall be made of electrolytic copper or galvanized material in 2 x 50 mm2 or 30 x3 mm dimensions.
—All of the metal installations (guard rail bar, antenna pole, etc.) next to the down conductor shall be fastened to the lightning rod down conductor. Connectors shall be made of the same material as the down conductor.
—The down conductor shall be lowered to the ground through the shortest path possible, and sharp bends to the down conductor shall be avoided.
—The down conductor shall be fixed to the surface with copper or galvanized conductor clamps at 100 cm spaces when installed onto vertical and horizontal surfaces and at 50 cm spaces when horizontally installed onto vertical surfaces.
—The down conductor should be jointless. If jointing is required, actual joints shall be made with exothermic welding and secured in mechanical or electrical aspects. If the down conductor should be insulated, the flat insulated conductor with a 35 mm2 cross-section or the circular insulated conductor with a 50 mm2 cross-section, either of which is specifically manufactured for this purpose and certified against 150 kA test, shall be used.
5.LIGHTNING STRIKE COUNTER
The lightning strike counter shall have the following properties.
—It shall be of analogue or resettable digital type.
—It shall be test-certified by LCIE or METU.
—It shall be manufactured in accordance with IP65 protection rating.
—Analogue devices shall have minimum 2-digit (00–99) metering capacity.
—The down conductor shall be connectable without disruption.
—The test clamp shall be connected above 10 cm.
6. TEST CLAMP
The test clamp shall have the following properties.
—The test clamp shall be made of copper or galvanized, causing no corrosion with down conductors.
—It shall be located just above the protective pole.
—All bolts, nuts and washers shall be made of non-corrosive material.
—It shall be located in the plastic protector.
7.PROTECTIVE POLE
The protective pole shall have the following properties.
—It shall be made of internally insulated galvanized pipe to protect the down conductor against physical impacts at the
point of its descent to ground.
—It shall be 3 meters in length and 5/4” in diameter with its 250 cm part to be used above ground and 50 cm part to be used below ground.
8. GROUNDING ELECTRODE
The grounding electrode shall have the following properties.
—One or several of vertical, horizontal or mesh type copper grounding electrodes shall be used.
—If the vertical grounding electrode is to be used, the distance between grounding electrodes shall be at least two times of the electrode length.
—In case of failure to provide the necessary transient grounding resistance, the required resistance value shall be achievedby using additional electrodes and grounding resistance enhancement materials.
—The upper end of conductors and electrodes shall be installed such that they remain at least 50 cm below ground.
—If a copper-coated steel rod is used as the grounding electrode instead of copper electrode, its copper coating shall be at least 250 micron and certified against TS EN 62561-2 test. No copper-plated rods coated by pipe insertion or plastering shall be used, because of the possibility of breaking and fragmentation.
9. EXOTHERMIC WELDING MATERIALS
The materials to be used for exothermic welding shall have the following properties.
—All connection points remaining below ground (connections between grounding electrodes and down conductors etc.) shall be provided by exothermic welding method. 18
—Welding powder shall be fired by electronic methods (with an electronic flint gun) at a given distance as per occupational health and safety.
—Exothermic welding products shall have a domestic goods certificate.
10. GROUNDING RESISTANCE REDUCING MATERIAL (TDM)
The grounding resistance reducing material to be used in case of failure to provide the intended resistance shall have the following properties.
—It shall contain neither compounds reducing the lifetime of the conductor, such as coal, salt etc., nor chemicals contaminating soil.
—It shall cause no galvanic corrosion with electrodes or acidic reaction such as salt.
—It shall preferably be certified by TAEA (Turkish Atomic Energy Authority).
11. TRANSIENT GROUNDING RESISTANCE
The value of grounding resistance to be attained upon work completion and its reading and reporting shall be as indicated below.
—As a result of grounding, the grounding resistance less than 10 ohm shall be attained.
—The said reading shall be taken with grounding measuring device which is pre-calibrated by the qualified staff and be reported in line with the approval of a competent engineer.
12 . INSTALLATION CONDITIONS
The certificates and qualifications which should be possessed by the installation company shall be as indicated below.
—When performing installation and detachment, weather conditions shall be taken into account in terms of occupational health and safety, and no work shall be performed under discharge weather conditions.
—The materials to be used for the outer part of the lightning rod head shall be manufactured in accordance with TS EN 62561–1 (Lightning Protection System Components: Part 1: / June 2013) and TS EN 62561-2 (Lightning Protection System Components: Part 2 / June 2013).
—The installation company shall be certified by ISO 9001 Quality Management System and ISO 14001 Environmental Management System.
—The installation company shall preferably be certified by OHSAS 18001.