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6) Frame with wall effective a- gainst horizontal force such as earth-plaster wall, plaster on wooden lath and others 7) Frame with bracings in item (1) Sum of to item (5) inclusive and wall value of each item in item (6) combined conce rned (Joints or Connections in Principal Structural Parts) Article 47. Connection or joint as principal structural part shall be tied properly to transmit full existing stress in that part by using bolts, spikes, pins or other similar methods. (Wooden School Building for Elementary or Middle School) Article 48. Walls, columns and horizontal members of wooden school building for elementary or lower secondary school shall be as prescribed in the following items except in the case where they accord with Article 12 of Japanese Building Specifications "Wooden elementary school (Building 1302)" or with Article 13 of "Wooden lower secondary school (Building 1303)" as provided for by the competent Minister. However, school or class room built by special structural method or other schools of smaller type that the special administrative agency recognizes as having equal or higher strength as compared with those under these specifications or under the provisions in each item: (1) Bracings mentioned in Article 46 paragraph 5 table item (3) shall be used in exterior walls; (2) In case the distance in direction of side wall girder is over 12 m. in direction of side wall girder at interval of 12 m. or less shall have through partition wall of property spaced bracings mentioned in Article 46 paragraph 5 table item (3) unless buttress-columns or buttresswalls of equal or higher strength are provided at (3) proper space; Columns beams and trusses shall ba arranged to be located at distance not exceeding 2 m. in direction of side wall girder (4 m. in indoor gymnasium or other large scale room) and columns and beams or trusses shall be tied firmly by using bracings of size larger than £ of column; (4) Column as principal structural part shall be 15 cm. sq. or more or having equivalen strength. + (Disposal for Prevention of Rot in Interior of Exterior Walls) Article 49. In case whole or part of the exterior walls of wooden frame is to be finished with cement mortar on metal lath or ashlared stone facing and other construction that frames are easily eaten by rot, water-proofing paper shall be placed as ground for that part in addition to ap" plying creosote or other chemical to columns up 0.5 1 m. from ground level, bracings and sills in that part; provided that the interior of wall in that part is so constructed as to permit of air circulation. (Ashlaring) Article 50. In building construction with wooden frames to be faced with stones (including tile facing and the like, hereinafter the same in this Article), the thickness* of facing tiles shall be less than 5 cm. excepting the part up to 1 m. from the ground level. 2 Facing stones of building mentioned in the preceding paragraph exceeding 1,5 cm. in thickness shall be tied to the framesby means of spikes, copper wire other similar non-corrosive metals to prevent them from falling off. Section 4 Masonry Construction 10- (Scope of Application) Article 51. The provisions of this Section shall apply to part of masonry construction in masonry building such as brick construction, stone construction, concrete block construction and other masonry constructions, or part in building constructed of masonry construction combined with wooden construction or other. However, the provisions of this Section shall not apply to part reinforced by ferro-concrete or by steel shapes which proved to have equal or higher strength as compared with those satisfying the provisions of this Section by structural calculation or by experiment. 2 The provisions of Article 55 paragraph 2 and Article 56 of this Section shall not apply to buildings lower than 4m and at the same time with its total floor area not over 20 sq.m. 3 To structurally unimportant partition wall of less than 2 m. high, the provisions of this Section only from this Article to Article 53 inclusive, Article 55 paragraph 6 and Article 62 shall apply. (Execution of Masonry Constructions) Article 52. Brick, stones and concrete blocks and other masonry materials to be used in masonry construction shall be washed well before planning them. 2 Masonry materials shall be placed so that cement mortar shall spread evenly over entire face of its joint. 3 Mortar mentioned in the preceding paragraph shall be cement mortar, the mixture of cement and sandbyvolume shall be 1:3 or having strength equal or superior to this, and cement mortar with lime shall be in mixture of cement, lime and sand by volume in the proportion of 1:2:5 or having strength equal or superior to this. 4 Masonry construction shall be constructed to prevent straight joint.
(Foot i ng) Article 53. Footing to receive masonry wall shall be constructed of mass of plain concrete or reinforced concrete. (Length of Wall) Article 54. No masonry wall shall have its length over 10 m. 2 Length of wall mentioned in this Section means the distance center to center of adjacent two walls measured at parts connected to that wall (including buttress whose length at part connected to footing is less than 1/3 of length of wallto which the buttresses are fixed. Hereinafter referred to in this Section, as "adjacent opposing walls"). (Thickness of Wall) Article 55. Thickness of wall for masonry construction (not including the thickness of finishing materials ; hereinafter the same in this Section) shall bs not less than the value given in the following table in accordance with the number of story and the length of that wall (meaning the length of wall mentioned in paragraph 2 of the preceding Article) of that building respectively : (Unit in meter) 2 Thickness of wall of masonry construction in each story shall be not less than 1/15 of the height of wall in that story. 3 Thickness of wall for partition of masonry construction may be 10 cm. less than the thickness of walls prescribed in the provision of preceding two paragraphs, provided that the thickness of its wall is more than 20 cm. 4 The thickness of wall constructed in combination of stones or stones and other masonry materials shall be not less than the value of the thickness of wall prescribed by the provisions of the preceding 3 paragraphs increased by 2/10 of the thickness of that wall, excepting the steel framing stone construction. 5 Regarding double-wall masonry building the provisions of the preceding 4 paragraphs shall apply to either one wall of that double-wall. 6 Thickness of wall in each story of masonry building shall be not less than the thickness of respective upper walls bearing thereon. 7 Regarding the thickness of curtain walls constructed of masonry in steel frame building, reinforced concrete construction or steel skeleton reinforced concrete construction, it shall be considered as partition upon application of the provision of this Article. (Wall Girder) Article 56. In the wall of masonry building, at the top of walls in each story (in cases where gable wall exists, top of wall of said gable) shall be placed the wall girder constructed of steel frame structure or reinforced concrete, except in cases where the reinforced concrete roof or slab etc. are placed over, or thickness of wall of one story building is more than 1/10 of height of wall, or where the length of wall is less than 5 m. -ll- (Openings) Article 57. Opening in walls of masonry building such as windows, exits, and others shall be as provided for in following items : (1) Total width of openings of each wall in section formed by adjacent-opposing-walls of each story shall be not more than 1/2 of the length of that wall; (2) Total width of openings in each story shall be not more than 1/3 of the total length of walls in that story; (3) Vertical distance from an opening to an, opening directly above shall be not less than 60cm. 2 Distance between openings in wall of each story in masonry building, or horizontal distance between opening and center line of adjacent-opposing-walls shall be more than twice the thickness of that wall, obopening is excepting reinforced the case where periphery with steel frame or reinforced concrete. 3 At the top of opening wider than 1 m., reinforced concrete lintel shall be placed. 4 Bay window or projected verandah of masonry construction shall be reinforced with stael skeleton or reinforced concrete. 5 Masonry construction inside of wall fire-place shall have substantial footing to sustain the weight of fire-place and the chimney and its upper part shall not be stepped out. In case of wooden building it shall be reinforced by steel materials in addition. (Channel Cut in Walls) Article 58. In walls of masonry building, when vertical channel for continuous distance more than 3/4 of height of wall of that story is to be made, depth shall be less than 1/3 of the thick-
Page 1 and 2: OFFICIAL GAZETTE 60VERHMENTPRMHN8A8
Page 3 and 4: (Law No. 186 of 1948) and outline o
Page 5 and 6: horizontal distance prescribed in s
Page 7 and 8: (5) The end of soil pipe from urina
Page 9: 2 In cases where, by regulation and
Page 13 and 14: uildings of height less than 4 mete
Page 15 and 16: according to ttie actual condition
Page 17 and 18: 2 In the case of calculating compre
Page 19 and 20: Special administrative agency shall
Page 21 and 22: ing the case of determining by load
Page 23 and 24: A 8 Specially heavy loads on floor,
Page 25 and 26: concrete construction for structura
Page 27 and 28: 4 2 Exterior walls in one story bui
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Page 31 and 32: (Distance by Walk to Stairways) Art
Page 33 and 34: and at the same time more than 30cm
Page 35 and 36: (In Cass there is Wall-surface Line
Page 37 and 38: uilding administration or practical
Page 39 and 40: 2 In case application for confirmat
Page 41 and 42: Annexed Form No. 1 Copy (B 5) Copy
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Page 45 and 46: Form No. 4 Copy (B 5) Copy Notice f
Page 47 and 48: Form No. 7 (front page) S.5cm Date
Page 49 and 50: w5 1 u p d 55 £
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