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Storage tank referred in this Chapter means a storage tank containing flammable pressurized gas that is fixed to the lava.

Container referred in this Chapter means a mobile pressurized container used exclusively for filling flammable pressurized gas.

The supply equipment referred to in this Chapter includes the containers or all equipment between the container and the outlet of gas meter that are provided by operator in the liquefied petroleum gas trading place when supplying gas to families or business users.

Process equipment referred in this Chapter means the manufacturing equipment to process a flammable pressurized gas by means of compression, liquefaction and other methods.

Storage capacity referred in this Chapter means the quantity of a flammable pressurized gas permitted to be stored in a storage equipment, and shall be solved as follows:
1.Compression Gas Storage Tank: Q = (10P + 1)× V1
2.Liquefied Gas Storage Tank: W = C1 × w ×V2
3.Liquefied Gas Container: W=V2/C2
Wherein,
Q: storage capacity of the storage equipment in unit of m3;
P: The highest filling pressure of the storage tank at temperature of 35℃ (or 15℃ in case of acetylene) in unit of MPa;
V1: The inner volume of the storage equipment in unit of m3;
V2: The inner volume of the storage equipment in unit of l;
W: The storage capacity of the storage equipment in unit of kg;
w: The specific weight of the storage equipment at the normal working temperature in unit of kg/l;
C1: 0.9 (the specific value of the volume liquefied gas that can be stored in corresponding to the inner volume of a hypothermal storage tank); and
C2: as specified by the central regulating authorities.

Process capacity referred in this Chapter means the volume (when converted, the volume in the status of 0℃ of temperature and 0 kg/cm2)of the gas that can be processed in one day by the process equipment using compression, liquefaction or other methods.

Class 1 and Class 2 objects under protection referred in this Chapter shall be those as follows:
1.Class 1 Objects under Protection relate to the following places:
(1)ancient relics;
(2)any place listed under Article 12.1.2.4 of Equipment Standards;
(3)any place listed under Article 12.1.1.6, 12.1.2.3 and 12.1.2.12 of Equipment Standards where accommodating no less than twenty (20) persons;
(4)any place listed under Article 12.1.1.1, 12.1.2.5 and 12.1.2.8 of Equipment Standards where accommodating no less than three hundred (300) persons;
(5)any place listed under Article 12.1.2.1 of Equipment Standards with a traffic each day in average not less than twenty thousand (20,000) persons;
(6)any place listed under Article 12.1.1.2~12.1.1.5 and 12.1.1.7 of Equipment Standards with a total floorage not less than one thousand(1,000) m2;
2.Class 2 Objects under Protection: relates to any building other than Class 1 Objects under Protection where is occupied or used by people with the exception that the place for manufacturing, process or storage is located on the same building foundation.

The exterior wall or the outer side of facilities equivalent to an exterior wall at the flammable pressurized gas manufacturing place shall be kept a safety distance as listed below from Class 1 and Class 2 Objects under Protection located outside the place:
（Attachment E）

The exterior wall or the outer side of facilities equivalent to an exterior wall at the flammable pressurized gas storage place shall be kept a safety distance as listed below from Class 1 and Class 2 Objects under Protection located outside the place:（Attachment F）
However, the safety distance from Class 1 and Class 2 Objects under Protection may be reduced to such as specified in the list below if explosion proof wall or a protection equivalent or better than such wall is provided to the storage place referred in the preceding paragraph:（Attachment G）
The central regulating authorities shall specify the directions for the explosion proof wall as referred in the preceding paragraph.

The exterior wall or the outer side of facilities equivalent to an exterior wall at the liquefied petroleum gas manufacturing place of shall be kept a safety distance as respectively listed in L1 and L4 of Table 1 below from Class 1 and Class 2 Objects under Protection located outside the place; with the exception that the safety distance between the place and Class 1 and Class 2 Objects under Protection outside the place when falling short of that as specified in L1 or L4, falls within the safety distance listed in Table 2 and that security measures have been provided pursuant to Table 2.
The security measures referred in the preceding paragraph shall be as follows:
1.The storage tank or the process equipment is buried under the lava;
2.Water spray system or the equivalent fire prevention system is provided to the storage tank or process equipment; and
3.The explosion proof wall or the protection equivalent to or better than such wall is provided at where between the storage tank or the process equipment and Class 1 or Class 2 Objects under Protection.

The location, construction, equipment, and safety management of flammable pressurized gas processing place shall meet the following requirements:
1.The trading place:
(1)It shall be located on the ground floor of a building.
(2)The area of the building used for trading shall meet the following:
i.The walls shall be constructed from fireproof materials or non-flammable materials. However, the partitioning walls used to separate this area from other areas of the building shall be made from fireproof construction.
ii.The beams and ceilings shall be constructed from non-flammable materials.
iii.In cases where there is an upper floor, its floor shall be made from fireproof construction. In the absence of an upper floor, the roof shall be built with fireproof construction or non-flammable materials.
(3)Any fire source is forbidden.
(4)A gas leak alarm shall be installed when the gas storage capacity is greater than 80kg.
2.The container inspection place:
(1)It shall meet the requirements set forth in Article 68.1, 68.2.
(2)A gas leak alarm shall be installed in facilities where there is potential leakage possibility of liquefied petroleum gas.
(3)An automatic emergency shutoff device shall be installed in places that use gas appliance.
(4)Any fire source is forbidden except for when it is required for inspection.

The supply equipment shall be installed, maintained, inspected and repaired by operators in the liquefied petroleum gas trading place.
Operators of the place described in the preceding paragraph shall declare the following information to the trading place and firefighting authority of where the supply equipment is located:
1.Name and address of The place of business with LPG manifold system where the gas supply containers;
2.The quantity of concatenated uses of the place described in the preceding subparagraph;
3.The maintenance, inspection and repair status of the supply equipment located in the place described in Subparagraph 1.
4.Any other matters as announced by the central regulating authority.

Construction, equipment, and safety management of the flammable pressurized gas storage place shall meet the following requirements:
1.Warning signs and explosion proof emergency lighting system shall be provided;
2.Air leakage automatic alarm system shall be provided;
3.Ventilation equipment to effectively prevent accumulation of gas shall be provided;
4.For a flat building with floor in construction of non-flammable materials, the roof shall be built with lightweight metal plate or other lightweight non-flammable materials, and the eave shall be 2.5m and more from the ground;
5.The temperature shall be maintained not higher than 40℃, and the container shall be prevented from direct sunshine;
6.Containers respectively for gas filling and residual gas shall be separately stored, and placed in their erected position without stacking up; the container for gas filling shall be provided with means to prevent from impacts or damage to the attached valves due to tilt or fall;
7.The area for passage shall not be less than 20% of the total area of the storage place;
8.Fire source or storage of any flammable materials is strictly prohibited within two meters in the peripheral; unless the wall of the storage place is of RC construction in thickness 9 cm and more or any other protection wall with the equivalent to or higher strength;
9.The lightening arrestor shall comply with CNS 12872, or grounding means of equivalent protection may be used unless the environment surrounding the place does not present danger from striking of lightening;
10.No person is allowed to carry any mechanical tool or equipment that may produce fire source into the storage place; and
11.A dedicated controller shall be assigned.
12.Places offering gas to two and more trading operators shall provide layouts with marks of landmass, quantity, serial numbers, and trading name on them which shall be hung in the conspicuous places.
13.Those shall be used only for the storage places in which any expired container shall not be stored.

Except for the tranding place of liquefied petroleum gases equipped with a storage room, A storage place shall be provided at the place for the cylinder filling plant and for the trading place of liquefied petroleum gases.
Liquefied petroleum gas containers which belong to the cylinder filling plant and the trading place of liquefied petroleum gases shall be stored at the storage place, except for the trading place of liquefied petroleum gases according to Article 73.

The area to be used by only one operator of trading place on the liquefied petroleum gas storage place shall not be less than 10 ㎡; and the area of storage used by each trading place shall not be less than 6 ㎡ if two or more than two operators share the same storage place of liquefied petroleum gases .
The distance between the location of the storage place referred in the preceding paragraph and the trading place shall not be greater than 5 km; or not greater than 20 km if enclosure wall is provided to the storage place to prevent unauthorized entry and the place is 24hr under control by dedicated persons.

The management person of the cylinder filling plant, the storage place, and the trading place of liquefied petroleum gases which shall be provided with storage place according to Article 71, shall apply for the certification of the storage place of liquefied petroleum gases from the municipality, city, and county administration.
The content of certification mentioned in the preceding paragraph shall include:
1.The name and address of the storage place; and the name of the management person.
2.The name and address of the cylinder filling plant or trading place using the storage place; and the name of the management person.
3.The usage license number of the storage construction.
4.The floor area of the storage place.
5.The serial number of location in the storage place used by the cylinder filling plant and trading places.
Any changes of the above items in certification shall apply for alteration to municipality, city, and county administration by the management person in one month since the day of changes.
If the contract between storage and trading places is terminated or dismissed, the management person who terminates or dismisses the contract shall inform the other party and the municipality, city, and county administration three months in advance, and the management person of the storage place shall apply for the alteration of certification for the storage place according to the previous regulations. The management person of the trading place shall apply for the abrogation of certification of the storage place to the municipality, city, and county administration.

The total gas storage of the liquefied petroleum gases stored at the trading place of liquefied petroleum gases shall not be greater than 128 kg, the part greater than 128 kg may be store at the storage room , the total gas storage is limited to 1000 kg.
The storage room mentioned in the preceding paragraph shall meet the following requirements：
1.It shall meet the requirements in Article 70.1.1~70.1.3 , 70.1.5 , 70.1.6 , 70.1.10 and 70.1.13.
2.It is dedicated to the trading place of liquefied petroleum gases
3.It shall be one-floor building and at the same building lot of the trading places of liquefied petroleum gases.
4.The roof shall be built with lightweight metal plate or other lightweight non-flammable materials, and the eave shall be at least 2.5m from the ground
5.It shall be enclosed by walls at all sides, the walls and floors shall be constructed with non-flammable materials
6.The safety distances between the exterior walls to the Class 1 and Class 2 objects under protection are not less than 8m. The safety distance may be reduced to 1m if the exterior wall of the storage room is RC construction in thickness not less than 15 cm or any other explosion proof wall with the equivalent to or higher strength.
7.The access shall be provided with fire doors of 30 minutes and more fire rate.
The stand-by quantity of liquefied petroleum gases shall not be greater than 80 kg for business use, and not greater than 40 kg for domestic use.

The quantity of concatenated use for The place of business with LPG manifold system shall not exceed 1,000kg in the place for concatenated uses of containers, and its safety facilities and management shall comply with the following:
1.When the quantity of concatenated use is 80 kg and more, but 120 kg and less:
(1)The container shall be placed outdoors. However, this does not apply when containers have effective ventilation devices to prevent gas retention and have difficulties of being placed outdoors.
(2)There shall be warning signs of "No Open Flame".
(3)The place shall be provided with measures to block direct sunlight and the temperature thereof shall be constantly maintained at 40°C and below.
(4)Containers shall be placed in an upright position and equipped with securing means that prevent overturning.
(5)Hard gas pipes shall be installed and inspected by personnel with the Gas Fuel, Pipe and Piping Technician Certificate in accordance with CNS or relevant regulations and a completion inspection shall be carried out accordingly.
(6)The length of the soft gas pipe shall not exceed 1.8 m and the minimum bending radius thereof shall be no less than 110 cm without twisting or tangle. Soft gas pipes that exceed 1.8 m shall be provided with a gas pipe concatenating various containers. The soft gas pipes and hard gas pipes shall comply with CNS, and the joints thereof shall be provided with anti-shedding devices.
(7)A gas leak alarm shall be installed.
2.When the quantity of concatenated use is more than 120 kg, but 300 kg and less, it is a must to ensure that the distance between the container and fire appliance is more than 2 m in addition to meeting requirements set forth in the preceding subparagraph.
3.When the quantity of concatenated use is more than 300 kg, but 1000 kg and less, it is a must to meeting the following requirements in addition to those set forth in the preceding two subparagraphs:
(1)An automatic emergency shutdown device shall be provided.
(2)Barriers, container cabinets or fences shall be provided for containers installed outdoors, and shall be covered with lightweight metal plates or other lightweight non-flammable materials in a place of 2.5m and more from the ground.
(3)A signboard with the emergency contact person's name and telephone number shall be provided.
Operators of the liquefied petroleum gas trading place shall, within 15 days upon completion of the installation and inspection described in Item 5 of Subparagraph 1 of Paragraph 1, report the completion inspection data to local firefighting authority for reference.
Where the place described in Paragraph 1 is partitioned by walls and/or floors of 1 hour and more fire rate without any opening, its quantity of concatenated use shall be calculated separately.
The operator of liquified petroleum gas trading place shall suspend the gas supply in case of finding any of the following circumstances in The Place of Business With LPG Manifold System:
1.The containers are located in the basement.
2.There is no warning sign of "No Open Flame".
3.Containers in use or spare containers are not placed in an upright position, or be equipped with no securing means that prevent overturning.
4.No gas leak alarm is installed.
5.Violation of Article 73-2.

The containers of new buildings shall be installed outdoors or outside the house, and not apply the prouiso of Item 1 of Subparagraph 1 of Paragraph 1 of Article 73-1.
Where the quantity of liquified petroleum gas is 10 kg and less, the containers may not be bounded by provisions of the preceding paragraph.

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The operator of liquefied petroleum gases trading place shall mark its trade name and telephone number on the container at where can be easily identified.

Gas filling, loading and unloading of domestic or business use shall be only carried out at the repackaging place.

Before carrying out the gas filling at the cylinder filling plant of liquefied petroleum gases, the following things and matters shall be confirmed:
1.The container shall mark the trade name and telephone number of a qualified trading place;
2.The container has not yet survived its expiry date of inspection; and
3.An appearance visual inspection for the container has been done to make sure that the container is free of corrosion and/or deformation, and the container can be placed in its standing position.
No gas shall be filled into the container found noncompliance with any of those requirements set forth in the preceding paragraph; and the operator of the cylinder filling plant shall promptly notify the operator of the trading place to take actions as may be required.