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Steps for installing fire alarm systems and important points in designing and implementing projects

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Installing a fire alarm system is more than just wiring and placing a few detectors. It is a meticulous and sensitive engineering project, with each step directly impacting the system’s performance and ultimately the safety of people and property. A small mistake at any stage can jeopardize the effectiveness of the entire system. In this article, we will take a comprehensive look at the steps involved in installing fire alarm systems and the key points to consider when designing and implementing them.

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First stage: Detailed design and engineering (Design & Engineering)

This step is the most essential part of any fire alarm system installation project and is carried out by a qualified and experienced engineer. An incorrect design can destroy the effectiveness of the entire system.

  • Risk Assessment: First, the type of building use (residential, commercial, industrial), the materials present (such as flammable materials or hazardous processes), and the density of people are carefully considered to determine the type and level of fire risk. For example, a chemical warehouse will require more specialized detectors than an office.
  • System Type Selection: Based on the risk assessment, the type of fire alarm system (conventional, addressable, or even wireless) is selected. For large and complex buildings, addressable systems are the best option due to their ability to pinpoint the exact location of a fire, detect system errors, and have lower long-term maintenance costs.
  • Layout Design: Using specialized software such as CAD, the design engineer determines the exact location of all equipment, including the central control panel, various detectors, fire alarm buttons, sirens, and flashers, on the building plan. This layout must be in strict accordance with internationally recognized standards such as NFPA 72.
  • Equipment selection: The type and quantity of equipment required is carefully determined. All equipment must have internationally recognized certifications (such as UL or EN 54) to ensure its quality and performance.
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Second stage: Procurement and physical installation of equipment (Procurement & Installation)

After final approval of the design, the physical implementation phase of the project begins. This phase must be carried out by trained and authorized technicians.

  • Cabling and wiring: This stage is one of the most sensitive parts of the installation. All cables must be selected as fireproof and fire-resistant. Wiring must be carried out according to the designed drawings and in strict compliance with safety standards to prevent possible physical damage.
  • Central Panel Installation: The fire alarm panel should be installed in a safe, accessible location, away from any physical hazards or moisture.
  • Installation of detectors and sensors: Each detector must be installed exactly in the location specified on the plan. The installation height, distance from walls and heat sources, and the type of detector must be fully consistent with the type of use of the space. It is very important to observe the exact distances of the detectors from ventilation vents to prevent false alarms.
  • Installation of buttons, sirens and flashers: These equipment should be installed in main traffic routes and emergency exits so that they are easily accessible in times of crisis. The installation height of fire alarm buttons as well as the sound power of sirens in different environments should be in accordance with standards.
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Step 3: Commissioning & Programming

Once the physical installation is complete, it’s time to set up and program the system’s software. This step adds intelligence to the system.

  • Equipment Addressing: In addressable systems, each detector and peripheral device receives a unique address. This addressing allows the central panel to identify the exact location of the fire.
  • Scenario Programming (Cause-and-Effect Programming): This is the most complex part of the programming. In this section, various scenarios are defined. For example, if a detector is activated in Zone A, the sirens of that zone are activated and the fire extinguishing system in that area is activated at the same time. Also, if a detector is activated, the command to unlock the emergency exit doors, stop the elevators, or turn off the ventilation system may be issued.
  • Initial test: After programming, an initial test is performed to ensure the proper functioning of all components and their connection to the central panel.
مراحل نصب سیستم‌های اعلام حریق و نکات مهم در طراحی و اجرای پروژه‌ها
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Stage 4: Final Testing & Training

This stage is the final and most crucial step for project delivery.

  • Comprehensive and final testing: All parts of the system, including detectors, buttons, sirens, flashers, backup battery, and communication with other systems, are fully and one-by-one tested. These tests must be performed under the supervision of the project engineer and in accordance with standard protocols.
  • Obtaining Approval: After successful completion of the tests, project documentation and necessary certificates are submitted to receive final approval from the fire department or other regulatory bodies.
  • Training and Delivery: Finally, building officials and staff are trained on how to operate the system, recognize trouble alarms, and take necessary actions in the event of a fire. All system drawings, instructions, and certificates are delivered to the customer for future reference.
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Key points in designing and implementing projects:

  • Work with licensed professionals: Use a reputable company with licensed and experienced engineers and technicians.
  • Compliance with standards: All design and implementation stages must comply with the latest versions of valid standards.
  • Accurate documentation: Retaining all drawings, certificates, and test reports is critical for future maintenance and inspections.
  • Regular maintenance: After installation, the system should be maintained and tested periodically according to standard guidelines.

By following these steps and tips, you can ensure that an efficient and reliable fire alarm system is installed to protect your life and property.

Imen Datis Asia Company, as a company approved by the fire department, in addition to consulting in order to obtain fire department approval, is an importer and supplier of all types of fire equipment, including fire pumps, fire valves, fire alarm and extinguishing equipment, and all types of fire sprinklers. It is one of the best and most reliable domestic and foreign brands.

For more information and price inquiries, please contact our experts.

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Imen Datis Asia Company, relying on up-to-date knowledge, continuous activity and cooperation with highly specialized forces, is now recognized as one of the leading private sector companies in the field of safety and firefighting industry. This company is always trying to continuously and dynamically play a role in expanding the safety and firefighting infrastructure of our beloved country of Iran and take great steps towards achieving goals such as the development and industrialization of new technologies.

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