OFFICIAL GAZETTE

and at the same time more than 30cm. per
100 sq. m. of floor area of that floor;
(2) Total of widths of exits leading to or from
escape stairs and special escape stairs in each
floor shall be more than the values obtained by
calculating by the following proportions per 100
sq.m. of that floor in each floor: more than
27 cm. in floors above ground level, more than
36 cm. in ground floor.
2 Regarding calculation of the required widths
mentioned in the provisions of the preceding
items, escape stairs and special escape stairways
chiefly leading to escape-floor from one floor or
two floors above ground level may be considered
as those having the width of 1.5 times.
3 In applying the provisions of tha preceding two
paragraphs, open space in roof shall be considered
same as other floors.
(Exits to Outside of Building)
Article 125. In escape-floor the walking distance
leading from stairways to one of the exits to
outside of a building shall be less than the value
given in the provisions of Article 120.
2 Doors in exits leading to outside of a building
for use of audiences in theater, cinema, showhouse,
place of viewing, or auditorium, or meeting
place shall not be installed to open in.
3 Total of widths of exits in escape-floor of department
store leading to outside shall be more than
the values obtained by calculation under the
following proportion; 6 cm. per 100 sq. m. or
total floor area of each floor, and at the same
time more than 40cm. per 100 sq.m. in floor
area of largest floor.
4 The provisions of paragraph 3 of the preceding
Article shall apply to the preceding paragraph
mutatis
mutandis.
(Open Space in Roof)
Article 126. Open space in roof shall be surrounded
by parapet wall or wire fence of height 1.1 meters
or more necessary for safety.
2 In case the floors above 5th floor of a building
are to be used as sales rooms of department
store, an open space in roof available for refuge
shall be provided.
Section 2 Passages within Building Site
Necessary for Escape and Defence
against Fire
(Scope of Application)
Article 127. The provisions of this section shall
aor-ly to the buildings mentioned in Article 35 of
the Law.
(Passageways within Building Site)
Article 128. Building site shall be provided with
passageways 1.5m. or more in width leading from
outside escape stairways mentioned in Article 123
paragraph 2, and with exits mentioned in Article
-33-
125 paragraph 1 to road, park, open space and
other large vacant spaces.
(Passageway in Site for large Scale Wooden
Building) *-
Article 129. If-a building with whole of its principal
structural parts is constructed of wood and
exceeding 1,000sq.m. in total floor* area or a
part of principal structural part is wood construction
when its total floor area (excluding
floor area of the part, for which principal structural
parts are fireproof and separated from other
parts by means of fireproof walls and fire doors
A if any; hereinafter the same in this Article)
exceed 1,000 sq. m., it shall be surrounded by
passage 3 m. wide or more (except the part
bounded by a road). However, in- case the total
floor area is less than 3,000 sq. m., the width of
passageway along the boundary line of adjacent
lot may be 1.5m. or more.
2 In case there is a building composed of more
than 2 houses or more in the same building site
(excluding a building with its principal structural
parts are either built or are of fireproof construction
or with incombustible materials, and those
with floor area exceeding 1,000 sq.m.), if its
sum of total floor area exceeds 1,000 sq. m., the
part constituting the total of total floor area over
in 1,000 sq.m. shall be divided into section of
building with total floor area kept within 1,000
sq. m. and shall be surrounded by passageways 3
m.or more in width (excluding parts bounded by
road or boundary lines of adjacent lots.)
B The exterior wall (if there are eaves, including
underneath thereof) of fireproof construction and
having fire floor at an opening liable to fire
spread, if it is cut away effectively against fire
door by means of buildings with total floor area
kept within 1,000 sq. m. the provision of the
preceding paragraph shall not apply to these
buildings. However, in case the total of total
floor of the building exceeds 3,000sq. m., the part
constituting the total of that total floor area not
exceeding 3,000 sq. m. shall be surrounded by
passage (excluding the parts bounded by roads or
boundary lines of adjacent lots) 3m. or more in
width.
4 Irrespective of the provisions of the preceding
items, passageway may go through the corridor
coming under the provisions of the following
items. However, the passageway out through
the corridor shall be more than 2.5m. in width
and height :
(1) Width not over 3 meters;
(2) Not to be used except for passage or light
transport.
5 Passageways mentioned in each preceding paragraph
shall lead and reach to the roads on which
abuts the building site,