Details

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Fire Smoke Ventilation by EKG M&E Sdn Bhd

In the high-density urban landscape of KL and PJ, fire smoke ventilation is the most critical life-safety component of a building's M&E infrastructure. While standard air conditioning provides comfort, Fire Smoke Ventilation is engineered to manage toxic gases and extreme heat to allow for safe evacuation. EKG M&E Sdn Bhd specializes in the design and maintenance of these systems in full compliance with BOMBA and Uniform Building By-Laws (UBBL).

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The Engineering of Smoke Management

Effective fire ventilation requires a "Total System" approach where fans, dampers, and sensors work in perfect synchronization.

1. Mechanical Smoke Spill (Extraction)

In a fire, smoke inhalation is the leading cause of casualties. We install high-capacity axial fans designed to "flush" the fire zone.

• 10 Air Changes Per Hour (ACH): We engineer the system to meet the mandatory 10 ACH rate, rapidly removing toxic gases to maintain a "Clear Layer" (visibility) at the floor level.

• High-Temperature Reliability: Our fans utilize Class H motors, certified to operate at 250°C for 2 hours.

2. Stairwell and Lift Lobby Pressurization

To keep escape routes 100% smoke-free, we utilize Positive Pressure.

• The Pressure Shield: We pump fresh outdoor air into stairwells to maintain a pressure of 50 Pa. This ensures that when a fire door opens, air blows out, preventing smoke from entering the exit path.

• VFD Response: We integrate Variable Frequency Drives (VFDs) that automatically ramp up fan speed when doors are opened, maintaining the air curtain effect without over-pressurizing the shaft when doors are closed.

3. Fire and Smoke Compartmentation

To prevent the HVAC ductwork from acting as a "highway" for fire, we install specialized barriers:

• Motorized Fire & Smoke Dampers: Installed at fire-rated wall penetrations, these dampers are interlocked with the Main Fire Alarm Panel (MFAP) to snap shut instantly.

• Fire-Rated Ducting: We utilize heavy-gauge or coated ducting (BS 476-24) to ensure the extraction path remains structurally sound under intense heat.

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Compliance and Performance Metrics

System Feature	UBBL / BOMBA Requirement	EKG M&E Standard
Extraction Rate	10 ACH (Smoke Spill).	High-Static Axial Performance.
Response Time	Activation within 60 seconds.	High-speed motorized actuators.
Pressurization	50 Pa (Stairwells).	Calibrated Pressure Mapping.
Power Supply	Secondary/Genset backed.	Fire-rated cables and ATS.

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Why Choose EKG M&E Sdn Bhd?

• HVAC & Clean Air Specialist: We ensure your "Smoke Mode" logic is flawless. When the smoke fans activate, the general office AC must shut down to prevent the mechanical mixing of smoke into unaffected rooms.

• Testing and Commissioning (T&C): We don't just "install and leave." We provide professional Smoke Visualization Testing and Differential Pressure Audits to prove your building is 100% safe before your annual Fire Certificate (FC) renewal.

• Klang Valley Strategic Support: Based in Kuala Lumpur, we provide priority 24/7 maintenance and emergency response for smoke control systems across the Klang Valley.