A 10 min article by Adrian Goh
Profile of Adrian Goh, Baptized name: Barnabas
– A family man and a Christian who volunteers overseas (Indonesia, Myanmar and other countries)
– Highly experienced in physical security, workplace safety, facilities management, human resource management. He is also workplace safety and fire safety certified
– He is equally comfortable in leading in major operations and administrative work
–He had written several articles on fire safety, workplace safety, human resources, micro expression and articles on the bible. His other articles, for sharing, can also be found here:
- brand.education/what-kind-of-a-leader-are-you/
- brand.education/exploring-the-lessons-and-themes-of-the-book-of-jeremiah/
- brand.education/understanding-the-concept-of-grace-in-the-bible/
- brand.education/how-does-micro-expressions-and-neuro-linguistic-programming-help-in-detecting-if-a-person-is-lying/
- www.aboutinsider.com/adrian-goh-guan-kiong-on-the-basic-insights-into-the-fire-safety-management-system/
- www.aboutinsider.com/what-does-psalms-23-means-to-me-a-5-minute-read-christian-article-by-adrian-goh-guan-kiong/
The modern skyline of Singapore stands as a global marvel of architectural ambition. Towering super high-rise buildings pierce the clouds, housing thousands of occupants within dense, vertical micro-cities. Yet, building into the sky introduces extraordinary safety risks. In a skyscraper, an active fire cannot be easily fought from a ladder on the street. Safety relies entirely on internal, highly engineered infrastructure.
The Singapore Civil Defence Force (SCDF) governs these vertical complexes through the strict guidelines of the SCDF Fire Code 2018. This regulatory framework transforms inanimate concrete structures into living, breathing defensive networks.
Through a balanced combination of active suppression systems and passive containment barriers, the Fire Code ensures that even a major outbreak in a super high-rise can be localized, managed, and extinguished without catastrophic loss of life.
This is the technical breakdown of how those interconnected fire safety systems operate when a crisis strikes the sixty-fifth floor of a hypothetical ultra-luxury mixed-development tower in the heart of Singapore’s Central Business District.
The Spark of Ignition
At exactly 2:14 PM, a high-resistance electrical fault occurred inside a document archiving and printing room on the 65th floor of Zenith Tower. A network printer, running continuously under heavy load, suffered a catastrophic internal short-circuit. Intense sparks shot out from the plastic casing, landing directly onto a nearby open shelf stacked with reams of dry copy paper and polymer binding covers. Within less than ninety seconds, an aggressive, smouldering fire took root. Thick, toxic grey smoke began to pool against the concrete ceiling tiles.
In a standard low-rise building, a fire of this nature is dangerous. In a super high-rise building—defined under the SCDF Fire Code as a building with a habitable height exceeding 60 meters—it represents a logistical nightmare if left unchecked. At this extreme height, external rescue is impossible; atmospheric wind pressures can rapidly whip flames through broken windows, and standard evacuation of dozens of flights of stairs takes considerable time. The building must defend itself.
Passive and Electronic Detection
The first line of defense was entirely passive and electronic. Suspended from the ceiling directly above the printing station was an addressable photoelectric smoke detector. As the density of the grey smoke split the internal light beam inside the detector’s chamber, its internal microprocessor registered an emergency condition.
Simultaneously, a few meters away, an electronic heat detector monitored the thermal environment. Unlike the smoke detector, which triggers microscopic airborne particulates, the heat detector was calibrated to respond to rapid temperature spikes or a fixed threshold of 58 degrees Celsius. As the flames climbed the wooden shelves, the temperature at the ceiling soared. The heat detector tripped, providing critical dual-zone verification to the building’s central management system.
The sensors did not just sound a local alarm. They instantly transmitted data back down the building’s fiber-optic backbone, pinpointing the exact coordinates of the hazard: Zone 4, Floor 65, Sector B.
Human Intervention: The Break glass and Extinguisher
Outside the printing room, a corporate compliance officer noticed a sharp, pungent odor. Turning the corner, she saw dark smoke billowing through the cracks of the door frame. Recognizing the immediate danger, she did not hesitate. She sprinted to the nearby escape corridor where a red, wall-mounted manual call point—universally referred to as a break glass unit—was located.
Following the clear instructional graphics on the face of the unit, she pressed firmly against the central plastic element. The glass-like composite cracked inward, releasing an internal micro-switch. This physical action manually overrode all system verification delays, sending an immediate, unmistakable fire signal through the sector loop. Instantly, the building’s localized alarm sirens began a rhythmic pulsing, accompanied by a clear, automated voice broadcast in Singapore’s four official languages, instructing occupants on that specific zone to prepare for orderly relocation.
Turning around, the officer spotted a red cabinet containing portable firefighting equipment. She broke the seal of the cabinet and pulled out a 4.5-kilogram dry powder fire extinguisher. Holding the cylinder upright, she pulled the safety pin, aimed at the nozzle at the base of the smoke seeping from under the door, and squeezed the lever. A dense cloud of monoammonium phosphate powder discharged under pressure, temporarily suppressing the flames licking at the bottom of the door gap.
Realizing the heat behind the door was intensifying, she correctly backed away toward the emergency exit, leaving the heavy suppression work to the building’s automated assets.
Passive Compartmentalization: The Fire Door
As the officer evacuated, the printing room door swung shut behind her under the controlled force of a heavy-duty hydraulic door closer. This was no ordinary portal; it was a certified, fire-rated fire door assembly constructed strictly in accordance with Chapter 3 of the SCDF Fire Code 2018.
The door leaf, frame, and hardware were engineered to form an airtight, thermal barrier capable of resisting intense fire exposure for up to two hours.
Embedded within the edges of the door were intumescent strips. Under the rising heat of the fire, these chemical strips expanded many times their original volume, completely sealing the gaps between the door and the frame. This action trapped the toxic carbon monoxide and scorching heat inside the room, protecting the main escape corridor and allowing occupants on the rest of the 65th floor to move toward safety without suffocating.
Active Suppression: The Fire Sprinkler
Inside the locked printing room, the atmospheric temperature surged past 68 degrees Celsius. The fire had engulfed the paper storage shelf and was climbing toward the ceiling. The extreme thermal energy reached an automatic fire sprinkler head positioned directly over the hazard.
The sprinkler’s head was held shut by a small, precisely engineered glass bulb filled with a heat-sensitive, dyed liquid. As the ambient temperature reached its rated limit, the liquid inside the bulb expanded rapidly, shattering the glass into fragments. The internal water pressure, maintained constantly by high-stage booster pumps, dropped instantly as a plug shot out.
A heavy, conical spray of pressurized water erupted from the deflector plate of the sprinkler head. The water drenched the burning paper shelves and printing equipment, knocking down the open flames, lowering the room temperature, and preventing a catastrophic phenomenon known as flashover—where every combustible surface in a room ignites simultaneously.
The Brains of the Skyscraper: The Fire Command Centre (FCC)
While the battle raged on the 65th floor, the entire incident was being monitored and managed from the ground floor. Located on the first storey of Zenith Tower, with direct, unobstructed access to the exterior street, was the Fire Command Centre (FCC). As mandated by the SCDF Fire Code for super high-rise buildings, the FCC is a reinforced room that serves as the tactical nerve center for emergency services.
Inside the FCC, the fire alarm mimic panels flashed red. The duty fire safety manager immediately acknowledged the alarm from Floor 65. Because the building was a super high-rise, the system automatically initiated pre-programmed lifecycle safety sequences:
- It immediately adjusted the mechanical ventilation systems, shutting down normal air conditioning to prevent smoke transfer.
- It activated emergency pressurization fans in the exit staircases to ensure smoke could not infiltrate the escape paths.
- It overrode the security access control systems throughout the building, unlocking all electronic doors to allow unhindered evacuation and firefighting access.
Vertical Safe Havens: The Refuge Floor
Given the immense height of Zenith Tower, a full evacuation to the ground level for all thousands of occupants simultaneously could cause dangerous congestion in the stairwells. To counter this, the SCDF Fire Code 2018 dictates the inclusion of a refuge floor at designated vertical intervals—typically every 20 storeys.
The 50th floor of Zenith Tower was designated as a dedicated refuge floor. It was a specially reinforced, open-air deck designed to serve as a temporary safe haven. The floor was constructed with high fire-resistance ratings, equipped with independent ventilation systems, and featured a distinct lack of combustible materials.
Occupants from the 65th floor, guided by emergency exit signs and floor wardens, walked calmly down the pressurized stairwells to the 50th-floor refuge area. Here, in a safe, smoke-free environment, they could rest, receive fresh air, and await clear instructions from the FCC via the emergency voice communication system.
SCDF Tactical Assault: Fire Lifts and External Hydrants
Within exactly six minutes of the initial break glass activation, three red SCDF fire engines and an emergency medical vehicle screeched to a halt at the designated fire engine accessway outside Zenith Tower. Firefighters leaped out with military precision.
The first crew ran to the external fire hydrant located within 50 meters of the building’s edge. They coupled a massive canvas hose to the hydrant, securing a continuous supply of municipal water. Another crew took heavy hoses from the engine and connected them directly to the building’s breeching inlet—a heavy bronze manifold mounted on the exterior wall of the tower. The breeching inlet connected directly into the building’s internal wet riser pipe system, allowing the fire engine’s powerful onboard pumps to supplement the water pressure reaching the upper storeys.
Simultaneously, the main firefighting team entered the lobby and stepped into the designated fire lifts. Unlike standard passenger lifts, which are automatically homed to the ground floor and deactivated during an alarm, fire lifts are built with independent structural fire protection, water-resistant electrical components, and dual-source backup power supplies.
The firefighters inserted a master key into the fire switch inside the lift car, giving them exclusive manual control over the elevator. Within less than a minute, the fire lift whisked the heavily geared team smoothly up to the 64th floor—one floor below the fire—establishing a forward tactical staging area.
The Final Suppression: Landing Valves
From the 64th-floor staging area, the SCDF crew hauled their attack hoses up the pressurized stairwell to the 65th floor. Inside the fire-isolated stairwell enclosure, right next to the tactical exit door, was the internal landing valve. This heavy-duty valve was connected directly to the pressurized wet riser system that was being boosted by the engine pumps downstairs.
The firefighters coupled their high-pressure hoses to the landing valve. The team leader gripped the heavy brass wheel of the valve and cranked it counterclockwise. Water, pressurized to over 8 bars, rushed through the hose line, charging the nozzle.
With the protection of their breathing apparatus, the crew opened the fire door leading into the floor sector. Because the fire sprinklers had already contained the fire to the room of origin and the fire door had trapped the toxic smoke, visibility in the main corridor was remarkably clear. The crew advanced into the printing room, delivered a precise, sweeping stream of water to extinguish the remaining deep-seated embers within the paper stacks, and declared the situation under control at 2:38 PM.
Conclusion: The Triumph of the Code
Twenty-four minutes after a faulty circuit board sparked life into a dangerous fire; the emergency was completely resolved. The structural integrity of Zenith Tower remained uncompromised. Not a single casualty was recorded, and the financial damage was confined strictly to a single, minor office room.This successful outcome was not a matter of luck. It was the direct consequence of rigorous compliance with the SCDF Fire Code 2018. By integrating early detection (smoke and heat detectors), immediate manual warnings (manual call points / breakglass), immediate first-aid containment (fire extinguishers and fire doors), automatic localized suppression (fire sprinklers), robust structural design (refuge floors), and advanced tactical access infrastructure (fire lifts, fire hydrants, breeching inlets, landing valves, and the FCC), Singapore’s super high-rise buildings are built to survive. The Fire Code stands as an invisible shield, keeping the city’s vertical ambitions safe.