The defense line of Shuangbei kitchen reform pattern: regulations and safety of natural gas pipelines
When renovating or renovating antique houses in the greater Taipei area, open kitchens and island bars are the layout designs that many homeowners dream of. However, in order to adjust the location of the gas boiler, many people often ask plumbers or interior designers during the design stage: "Can the gas pipe be cut off and re-pulled, or can it be more beautiful by burying the gas pipe under the cement wall and floor?" The answer is:This is a serious illegal act, and it hides a huge safety hazard of gas deflagration! Taiwan has extremely strict regulations on household natural gas (NG) piping. Unauthorized modifications to natural gas pipelines will not only result in the gas company shutting off the gas, but may also lead to criminal liability in the event of an accident.
Fact check: Three hard red lines in Taiwan’s natural gas regulations
According to the "Natural Gas Business Law" of the Republic of China, the "Construction Technical Rules" of the Ministry of the Interior and the "Iron Pipe Piping Specifications for User Gas Equipment", the construction of natural gas pipelines has the following red lines that cannot be violated:
- Red Line 1: It is strictly prohibited to bury natural gas pipelines inside walls and floors (concealed pipe construction is strictly prohibited): Regulations clearly stipulate that indoor natural gas pipelines must adopt an "exposed pipe configuration" and must be kept in a conspicuous location with good ventilation. If an iron pipe or hose is wrapped under a cement wall or cement floor (concealed pipe), once the pipeline is slightly ruptured due to earthquake pull, the leaked natural gas (methane CH₄) will accumulate in the closed cement gap, and a violent gas explosion will occur when encountering a tiny electric spark!
- Red Line 2: The main pipe in front of the gas meter and the displacement of the gas meter must be carried out by the public gas company: Shuangbei area is served by "Greater Taipei District Gas", "Xinxin Gas", "Xintai Gas", "Xinzhi Gas" and other operators according to the jurisdiction. The pipeline connecting the common riser of the building outside to the indoor "gas meter" is a public utility property. Any unauthorized dismantling or moving of the gas meter location is illegal, and a "management modification application" must be submitted to the gas company to which the gas company belongs, and the gas company will send personnel to install the meter and carry out the work.
- Red Line 3: Length and material restrictions of the hose behind the meter: If a rubber hose is used for the pipeline connected from behind the gas meter to the gas furnace or water heater, its length must not exceed 1.8 meters, and it must use a qualified "stainless steel corrugated hose" with a wire rod-proof layer or a galvanized iron pipe.
Strongly recommended to upgrade: security mechanism of microcomputer gas meter (Smart Gas Meter)
In conjunction with the Ministry of Economic Affairs’ promotion of natural gas user safety upgrades, the Shuangbei region has vigorously promoted the replacement of "microcomputer gas meters". Compared with traditional mechanical gas meters, microcomputer gas meters have built-in highly sensitive micro-sensors and solenoid valves, and have three automatic interruption (automatic gas cutoff) functions:
- Automatic interruption of strong earthquakes with a magnitude of 5 or above: The greater Taipei area is located in a seismic zone. When an earthquake with a magnitude of 5 or above is sensed, the microcomputer meter will automatically lock the air valve within a few seconds to prevent the earthquake from breaking the pipeline and causing a secondary fire.
- Small air leakage and abnormally large air leakage interruption: When a long-term trace leakage in the pipeline is sensed, or a sudden rupture of the pipeline causes an abnormal surge in flow, the air source will be immediately cut off.
- Automatic cut-off for overtime operation: When the gas stove continues to cook for longer than the normal time (for example, when you forget to turn off the fire when cooking soup), the gas meter will determine it is abnormal and automatically shut down the gas source, effectively preventing dry fires.
Shuangbei Natural Gas Pipeline Renovation Application and Budget CapEx Abacus
For owner-occupiers or real estate flip investors who want to remodel their kitchen layout, the standard process and fees for compliant natural gas pipe modifications are as follows:
| Renovation and decoration projects | Responsible units and construction content | Estimated cost (NTD) |
|---|---|---|
| Gas meter displacement and re-tensioning of the pipe in front of the meter | Apply to the gas company to which you belong, and the gas company will send engineers to conduct on-site investigation and construction monitoring | NT$ 8,000 - $20,000 (depending on pipeline length) |
| Microcomputer gas meter application | Apply to the gas company for meter replacement (the monthly basic fee is only about NT$ 10 more) | No installation fee (monthly basic fee fine-tuned) |
| Open pipe piping of indoor pipelines behind the meter | Galvanized steel pipes/stainless steel pipes are made by qualified plumbers with "Gas Fuel Pipe Assembly Technician" license | NT$ 6,000 - $12,000 |
Conclusion: Comply with the air pipe configuration, taking into account both aesthetics and ultimate safety
While kitchen decoration pursues modernity and broad vision, it must not be at the expense of natural gas safety. The only way to prevent gas explosion accidents is to maintain the open-pipe configuration of natural gas pipelines, use inspected stainless steel bellows, and handle gas meter relocation and microcomputer upgrades through formal channels such as Greater Taipei Gas or Xinxin Gas. During real estate transactions and renovations, a compliant natural gas inspection certificate is a golden sign that ensures peace of mind for the whole family and maintains the resale value of the asset.
The Ministry of Economic Affairs' latest "Regulations on Consumer Electrical Equipment Installation" and the key points of electricity safety in old houses
Due to the popularity of high-power household appliances (such as air fryers, microwave ovens, dishwashers, instantaneous electric water heaters, and IH furnaces) in recent years, the Energy Administration of the Ministry of Economic Affairs has revised the "Regulations on Consumer Electrical Equipment Installation" many times to strictly require the diversion and protection mechanisms of residential electricity circuits. Statistics show that more than 30% of building fires in Taiwan are caused by electrical factors, among which "old wire insulation deteriorates and short circuits", "socket contacts are oxidized and loose, poor contact" and "non-fuse switch (NFB) overloaded and failed to trip" are the three main fatal causes.
Old apartments in Shuangbei that are more than 30 years old have a total original designed power capacity of only 30A to 40A, and several rooms often share the same 1.6mm or 2.0mm circuit. In the modern standard safety configuration, kitchen electrical cabinets, bathroom equipment, and air-conditioning and heating machines must all be equipped with 5.5mm² dedicated circuits (single circuit and single socket). It is recommended that the main switch box be upgraded to a busbar (Busbar) integrated distribution board, and the total amperage is increased to 75A or 100A (a qualified electrical appliance contractor needs to be entrusted to Taipower to review the additional power capacity).
Residential electricity self-test and regular inspection checklist
- Appearance and temperature of the socket: Touch the outer cover of the commonly used socket lightly with the back of your hand. If it feels lukewarm or if you find that the plastic socket is yellowed and charred, or the plug is loose and shaking after being plugged in, it means that the internal copper plate clamping force is exhausted or the contact resistance is too high, and you should immediately cut off the power and replace it.
- Regular testing of leakage circuit breakers (ELCB): For leakage circuit breakers in humid places such as balconies, bathrooms, and kitchen sinks, regulations require that the "TEST button" on the switch be pressed once every 1 to 3 months to confirm that it can automatically trip and cut off the power supply instantly.
- Serial connection and overloading of extension cords are strictly prohibited: Extension cords should be purchased with 2.0mm thick wire diameter products that have CNS certification and automatic overload power-off protection. Do not share the same extension cord with high energy-consuming appliances to ensure zero hidden danger to life and property at home.

![[Shuangbei Natural Gas Decoration Regulations] Can gas pipes be moved without permission when changing the layout of the kitchen? Greater Taipei gas and Xinxin gas piping specifications, microcomputer gas meter application and hidden pipe leakage taboos](/images/kitchen.webp)
