fire alarm system

1.Mild poisoningIf symptoms such as headache, dizziness, palpitations, nausea, vomiting, and general fatigue occur, timely open windows for ventilation and breathe fresh air, and the symptoms will soon alleviate or disappear. 2. Moderate poisoningSymptoms such as hyperhidrosis, irritability, unstable walking, pale skin, blurred consciousness, feeling unable to wake up, drowsiness and fatigue, and gradually entering a coma state appear. If effective measures are taken, patients can basically be cured, leaving few sequelae. 3.Severe poisoningThe main symptoms are confusion, closed jaws, convulsions, incontinence, a cherry red complexion and lips, increased breathing and pulse, increased blood pressure, irregular heartbeat, lung rales (respiratory murmurs), and possible increase in body temperature; Extremely critical individuals can continue to experience deep coma, weak pulse, irregular breathing, decreased blood pressure, and even life-threatening conditions. Patients with severe poisoning have a high mortality rate and may leave serious sequelae. The harm of carbon monoxide poisoning is obvious, and the most accurate and convenient way to nip it in the bud is to install fire and monoxide alarms. If there is a gas leak with it, the fire and monoxide alarms will immediately notify the people inside the house with a very loud and sharp sound transmission. People who own......

1. High rise public buildings where to install fire alarm manual call points (1) Class I high-rise public buildings ⑵ Class II high-rise public buildings ① Combustible material warehouse with S>50 ㎡ ② A business hall with an area of S>500 square meters. 2. Residential where to install fire alarm manual call points (1) Super high-rise residential buildings ⑵ High rise residential buildings with 54 ＜ H ≤ 100 ① Fire alarm system installed in public areas ② Built in detector For high-rise residential buildings with a height of 27 ＜ H ≤ 54m, only fire alarm systems need to be installed in public areas 3. Special Places where to install fire alarm manual call points (1) Song and dance entertainment screening and entertainment venues (2) Children’s rooms in kindergartens (large and medium-sized) ⑶ Old building (4) The ward building of a sanatorium (S>1500m2 on any floor or S>3000m2 in the total building) (5) Hotel building (any floor S ＞ 1500m2 or total building S ＞ 3000m2) (6) Shops, exhibitions, finance and trade, passenger and freight transportation (any floor S ＞ 1500m2 or total building S ＞ 3000m2), underground semi underground stores (total S ＞ 500m2) (7) Shoemaking, clothing, toys, electronics and......

Knowing where to install a fire alarm manual call point is essential for faster emergency response and safer evacuation. In many buildings, people may spot smoke, flame, or unusual heat before automatic detection starts the full alarm process. A well-placed manual call point helps occupants raise the alert without delay. In high-rise public buildings, installation planning should focus on areas with high traffic, complex escape routes, or higher fire load. These locations often include entrances, exit routes, stairwell access points, combustible material warehouses over 50 square meters, and business halls larger than 500 square meters. In these spaces, a fire alarm manual call point supports quicker human action and improves evacuation efficiency. In residential buildings, the layout depends on building height and fire system design. Super high-rise residential buildings and high-rise residential buildings above 54 meters usually need alarm devices in public areas. Corridors, lobbies, stairwells, and other shared escape routes are common installation points. In residential buildings between 27 and 54 meters, public-area alarm coverage remains a key requirement. Clear placement increases visibility and helps residents respond faster during an emergency. Special-use buildings need even more careful planning. These projects include entertainment venues, kindergarten children’s rooms, old buildings, sanatorium......