Supply and equipment of intelligent addressable fire alarm system with more than 7 panels, providing more than 2500 Divas and 27000 kg of FM200 gas using laser detector system. The new building of the National Library of Iran on a land area of about 62,000 square meters is the most important public building that was built in the period after the Islamic Revolution in Iran. The library building has about 97,000 square meters of infrastructure. This building, which is located in the hills of Abbasabad, Tehran, was opened in March 2004 on 8 floors. The building is fully resistant to 9 magnitude earthquakes and other unexpected events such as fires.