Grand Mellat Park, one of the most equipped and most up-to-date parks using LED technology and musical instruments of the country, was opened at the Shabaniyeh festivals in Arak city. The park is located in the space of six acres in the streets of the victory of the Islamic Revolution, in front of Valiasr Hospital (Aj) and the border between Vali-e-Asr Square and Sardaran Square. The park is used to reduce the pollution of the air and to the urban landscape, and to serve the people of Arak to rest and relax the visitors of other cities to the Valiasr Hospital, one of the most prolific hospitals in the country and not a place to reside. Take up Arak Mellat Park is one of the most important and important projects in Arak metropolitan area, which has been designed and implemented in accordance with the precise principles of engineering, lighting engineering and LEDs, in order to be able to take steps to increase the service delivery to its neighbors. Design and simulation stages of the project The design and simulation stages of this park, which for the first time were at this level, took place in the Shayan Electrical Group's Design and Lighting Group during 15 days. All lighting, electrical, metal, lighting and lighting plans were delivered to the installation and implementation team after the approval of the Arak Parks Organization and the Organization of Fine Arts for planning. Installation and implementation operations The installation and commissioning of this project, which began after confirming the maps and holding frequent meetings with the organization of beauty and parks organization of the city of Arak in the first week of March, after less than 20 days of all operations including drilling, piping, Kabul Installation and installation of electrical equipment and LED headlamps Project overview after installation of the equipment