Zandz.com - news about lightning protection and grounding

Grounding of Mining Machinery: Specifics of Regulatory Documents

19.11.2020
/ grounding , article , for designer , mine , regulations and regulatory documents

The safety of mining works and even lives of miners depend on the quality of electrical grounding arranged in the mine. Therefore, special requirements are imposed on the arrangement of grounding in the mine. Inside mines, all types of grounding arrangements must be connected into a single network (except for the spark-safe equipment of telephone communications). The rails of the underground ...

Lightning Protection of a Mall Terrace

17.11.2020
/ lightning protection , design , Example calculation , terrace , mall

Recently, we have received a request to arrange lightning protection for a mall terrace wherein a canteen will be located. Certainly, it is always correctly to consider the building entirely and provide an integrated lightning protection, but when the customer only has a part of the structure, we have to deal with it.

Happy Russian Designer's Day!

16.11.2020
/ or desiger , interesting

Dear colleagues! Let us congratulate all the involved people with the Russian designer's day! We should not explain how important and responsible this profession is. It is the designer who defines the path to a structure or a system. The reliability and durability of the designed facility depend on the designer's calculations. Dear colleagues, please accept our congratulations. ...

Webinar Titled "Unbiased Performance Evaluation of ESE Lightning Arresters"

12.11.2020
/ lightning protection , webinar , for designer , active lightning protection

Объективная оценка эффективности ESE-молниеприемников - Unbiased Performance Evaluation of ESE Lightning Arresters They were the subject of the Prof. E.M. Bazelyan’s webinars twice: on March 18, 2015 and on September 20, 2020. In their course, many critical comments were delivered regarding the potential efficiency of lightning arresters with early ...

Cooperation with OOO "BESTER 24"

11.11.2020
/ ZANDZ , grounding , ZZ-100-102 , electrolytic grounding , feedback on cooperation

We have received a request from OOO “BESTER 24” to supply a large batch of electrolytic grounding sets ZZ-100-102. A representative of the customer has sent a feedback and expressed gratitude for professionalism and high technical skills of our employees.. Общество с ограниченной ответственностью «БЭСТЕР 24» - Limited Liability Company “BESTER ...

Lightning Protection of a Hopper in the Krasnodar Kray

10.11.2020
/ lightning protection , grounding , design , Example calculation , hopper , manufacturing , Krasnodar Kray , grain

building, grain-storage sections, grain loading and unloading devices, grain dryers, etc. To provide the lightning protection of the hopper, we need to protect its highest part wherein a vertical lift, i.e. the chain bucket, is located.

Webinar of Professor E.M. Bazelyan "Lightning Protection of Chimneys"

09.11.2020
/ lightning protection , webinar , for designer , prof. E.M. Bazelyan

Молниезащита дымовых труб - Lightning Protection of Chimneys It is hard to find a land structure with the lightning protection requirements so confusing as chimneys. Instructions SO-153.34.21-2003 do not mention them at all and neither does IEC 62305. However, Instructions RD-34.21.122-87 rate something that would have been better to avoid. The participants of our webinars ...

Alternatives to Isolated Lightning Protection

02.11.2020
/ lightning protection , recommendations , for designer , professor E. M. Bazelyan , isolated lightning protection , for installer

Грозотрос - Ground wire Are there any alternatives to isolated lightning protection? Surely, there are. These are well-known standalone lightning arresters. They were recommended for the structures along which the lightning current may flow. The drawbacks of these lightning arresters are known. They are installed at the ground level. They must be higher than the protected facility, ...

Giraffe's Ossicones May Attract Lightning

30.10.2020
/ lightning , interesting fact

The lightning is known to choose mostly tall objects to strike. Giraffes are the tallest animals who live in open spaces of savannas. It is reasonable to suppose that, during storms, they can be affected by lightning strikes. n February 2020, there was an incident in the African natural reserve "Rockwood". It was thoroughly studied and its results were published in the African Journal of ...

Video Record of the Webinar Titled "Parameters in Autodesk Revit. Details of Working with General Parameters"

28.10.2020
/ video , webinar , BIM design , for designer

Параметры в Autodesk Revit. Тонкости работы с общими параметрами - Parameters in Autodesk Revit. Details of Working with General Parameters The webinar titled "Parameters in Autodesk Revit. Details of Working with General Parameters" was held on October 21. The webinar participants got acquainted with all parameter types in Autodesk Revit (family ...

Lightning Protection of a SPA Center in the Leningrad Region

27.10.2020

The ZANDZ Technical Center has received a request for the calculation of the lightning protection system for the SPA center. Our engineers have developed an optimal solution that will be discussed further.

Can We Use a Reinforced Concrete Foundation as a Grounding Arrangement for Lightning Protection?

22.10.2020

Normally, modern buildings have reinforced concrete structures embedded and are built on a reinforced concrete foundation. This dramatically simplifies the grounding system construction. The effective regulatory documents recommend using mostly natural ground arrangements. GOST 12.1.030-81 "Electrical Safety. Protective Grounding. Neutral Grounding" is still applicable to the electrical ...

ZANDZ World Record in Grounding Resistance

21.10.2020

Our partners have installed the modular ZANDZ grounding at the customer's facility. The rod has been hammered down to 20 meters. After the installation, they measured the grounding resistance and obtained, according to their opinion, the values that can claim a world record. See video for details: ...

Lighting Protection of a Church Located in the European Part of the Russian Federation

20.10.2020

The ZANDZ Technical Center has received a request to calculate the lightning protection system for the church in the European part of the Russian Federation. Our experts have developed a following solution.