As part of a framework contract with our customer, Enviroearth supplied and installed a calibration capability for the existing infrasound measurement station on site.

In October 2019, our team visited the site to carry out the following tasks:

• Removal and reinstallation of gravel : In order to have access to the Sensor box and easily work with items inside the box, the gravel has been removed from the box and put apart. Once all the work was done on components inside the box, and the final tests validated by the Commission, the gravel has been reinstalled over the box

• Connection/Wiring of LPB of Equipment Vault and Sensor box

• Enviroearth has provided and installed the Lightning Protection Boxes (LPB) for the Equipment Vault and the Sensor Box.

• Enviroearth also provided and installed the sensor cable and the power cable.

• Reference System installation :

 A reference system is installed. It is composed of:

- Reference Inlet port

-Hose and hose clamps for connection to Microbarometer

-Roxtec system for passable cable

-Reference Microbarometer