POZHEZHNO-OKHORONNE AHENSTVO KUPINA, LLC

Design, installation, maintenance:

- Extinguishing installations (water, foam, gas, powder, aerosol).
- Warning systems and evacuation in case of fire.
- Smoke removal systems (gravitational force).
- Systems of fire and security alarm.
- Video surveillance systems.
- System of protection against lightning strikes.
- Systems overvoltage protection of electrical and information networks, power and information technology equipment.
- Equipotential bonding.
- System of protective and working grounding.
- Fire retardant treatment of concrete and metal structures.
- Fire retardant deep and surface treatment of wood products.
- Fire retardant treatment of fabrics fireproof materials.

As well as:
- Measurement of loop impedance phase-zero electrical installations, devices, and secondary circuits -elektroprovodok up to 1 kV.
- Check the resistance of grounding devices for protection against lightning overload;
- Measurement of spreading resistance grounding circuit.
- Measurement of short-circuit current cable lines up to 1 kV, electrical, equipment, secondary circuits and electrical wiring up to 1 kV.
- Check the connection between earthing and grounding devices.
- Check the connection between natural grounding and grounding devices.
- Check the resistance of electrical grounding devices.
- Insulation resistance measurement of electrical installations and devices up to 1 kV.
- Check the operation of protection devices in a grounded from neytrallyu.
- Check the tripping of power cable lines from grounded neytrallyu.