LP GAS EQUIPMENT PRODUCT GUIDE Ver.1.0
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115Bulk Storage Unit Installation Standards and Safe DistancePGLAnchor BoltDischarge Pipe Opening・Should be at least 10 cm above the top of the bulk storage unit.・Opening should be facing upward.・Measures should be taken to prevent rainwater from entering.Grounding Rod・Diameter: 10Φ・Length: 1,000 mmBuildingsClass 1 or Class 2Security PropertyDistance between safety valve opening and buildingMore than 0.5 mRelated RegulationsArticle 19 Section 3-ニ Bulk storage units installed on the ground must meet the following standards.1) The foundation shall be level with a at concrete slab, and at least 5 cm from the ground, and the bulk storage unit should not suer from harmful deformation due to uneven settlement.2) Measures shall be taken to prevent automobiles and other vehicles from making contact with it.3) The saddle of the bulk storage unit shall be xed with anchor bolts or the like to the foundation.4) Electrical connection to the ground shall be performed as specied in the ocial gazette.5) The safety valve shall be equipped with a discharge pipe as specied in the ocial gazette.Foundationmore than 5 cm from the foundationMore than 5 cmProtection from vehiclesGround Connection Line・ Cross Sectional Area: more than 5.5 ㎟・ Connect securely by brazing, welding, or with connection ttings.(Note) Grounding should be performed when the bulk storage unitand the ground are insulated.1.5 m or 1.0 mAbove Ground Horizontal Bulk Storage Unit Installation Standards (for storage capacity of less than 1,000 kg)Flammable objectsClass 1 security propertiesClass 2 security propertiesFigure 1(Article 19 Section 3-ロ)ロ. The outer surface of bulk storage units must be at least 1.5 m away from Class 1 security properties, and at least 1 m away from Class 2 security properties.However, as stipulated in the ocial gazette, for Class 1 security properties and Class 2 security properties,a structural wall that passes the heating test or has equivalent or better performance must be installed,but this does not apply when the bulk storage unit is buried underground.FoundationMore than 1 mMore than 1 mMore than 1 m Structural Wall Structural WallAABBA = Less than 1 mB = More than 1 m* There are no regulations on secure distance when the unit is installed underground. However, according to standards for lling work, it is necessary to secure a distance of at least 1.5 m away from Class 1 security properties, and at least 1 m away from Class 2 security properties.GL●[Ocial Gazette Article 2] (Figure 2)Section 1, Part 1: Structural walls shall be installed in a maximum of 2 directions. Part 2: The lower part of structural walls shall be installed in contact with the ground. Part 3: Structural walls shall have a length of 1 m or more from the length and width of the bulk storage unit as projected onto the structural wall. However, this does not apply to other structural walls related to the bulk storage unit and the part in contact with the ground. Part 4: There shall be no openings in structural walls.Section 2: If the outer wall of the building where the consumption equipment which receives the supply of LPG has equivalent or better performance than the ones that pass the 30 minute heating test specied in JISA1304, then the outer wall can be considered to be the structural wall.Figure 2Bulk Storage Unit Safe Distance (for storage capacity of less than 1,000 kg)Bulk Storage Unit Installation Standards and Safe Distance

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