The Detroit times., 1911-02-20

should any story exceed the
heights here given. such STORY
must be considered as two CD or
more stories In height.
having a ground floor area OF not
over one thousand 10000 50. r.,
having nat roofs. may have eight
(s) inch outside masonry walls
\ dalton wall up 10 the irst door
level. provided. however. that said
outside walls do not exceed nfty
$500 feet I'm length.
One story buildings having no
one wall more than twelve (l2)
feet high above the grade, nor
more than twenty-five $3.50 feet
long. may have walls OF brick
concrete or hollow. blocks, eight
(s) inches In thickness. but all
such walls must have twelve u2)
inch thick foundations up to the
first floor level and should these
buildings have sloping roofs the
eight go inch walls must have
piers or buttresses.
Sec. 3. BONDING. For all COM
mon brick walls and piers. the
brick work shall be bonded by
using full header courses at least
once every sixth course In height.
Where pressed or other brick
than common Is used for facing,
this facing brick shall DO
thoroughly bonded into the back
ing
with the ordinary running
bond" the face brick shall DO
bonded with metal wall ties spac-
ed not over eighteen l1s( inches
either way, or the face brick split
and a continuous row OF full head
srs behind.
hacking Il the brick dses ars brick Ok s sns sns
thickness, they must have a brick
bond at least every tenth course,
otherwise the four Cd inches OF
face brick shall not be counted as
part OF the thickness OF the wall
as required under this ordinance.
II brick wallis are laid In
Flemish" or English" bond, at
fS S ssssnx Of f BRICK aG are er o s aeS
different thicknesses that this
cannot be done. the four Cd
inches OF face brick shall not be
counted as part OF the thickness
All intersecting walls shall be
thoroughly bonded at the intersec.
lions with regular brick bond
when possible. otherwise with
heavy, wrought iron anchors not
spaced not over ave 60 feet
apart.
Sec & TERRA Gotta FACING.
Where Terra Gotta facing Is used
for walls, this Terra Gotta must not
be counted as part OF the regular
Terra Gotta IL bonded with con-
tinuous brick bond TO the wall
backing at least every twelve CID
inches in height. and provided no
in height three times its bed. and
provided that all hollows for the
full extent OF bearing shall be
filied In solid with brick In
cement or with concrete.
All projecting courses OF Ter
IA Gotta must have SUFFICIENT
bearing on the wall to bring the
center OF gravity at least four CD
inches on wall. or must have
ample steel frame anchors approx
ed by the department. Of buildings.
Sec; s, AsHLAR- stone used
and known as Ashlar shall not be
less than four (4) inches thick.
Stone Ashlar shall be anchor
ed to the backing, and the backing
make e the OF ws sTsn Independent Of
Ashlar. conform In thickness with
the requirements OF this ordi-
nance.
Should the Ashlar be not less
bonded into the backing. 1t may
be counted as part OF the thick
ness OF the wall
Iron Ashlar plates used In
imitation OF Stone Ashlar on the
face OF the wall. shall be backed
up. with the same thickness of
brickwork as required for q brick
wall without Ashlar.
All projecting courses OF
stone must have sufficient bear.
gravity at least four tD inches
on wall.
Sec. 8. WALLS AND PIERS OF
COURSED STONE. Where walls or
outside piers are built OF coursed
stone with dressed level beds and
vertical joints. such walls or piers
may be built OF less thickness than
the specified brickwork. provided the
crushing strength OF the stone Is
greater than the brick. but In no
case shall walls or piers be less than
three-quarters "a OF the thickness
provided for brick work.
Sec. z. LEDGES. In buildings
OF Glasses I, and 8 when OF ord
nary" or Mil construction, bear
ing walls sixteen Q6) inches or less
brick lodges projecting at least four
90 inches to carry the ends OF joints
or beams.
In buildings of Classes and
and Of similar construction, and hay
Ing twelve CID inch bearing walls
the toists and beams shall not ex-
tend more than four (4) inches into
Sec. 8. PARTY WALLS. Party
walls between buildings belonging to
different owners shall be at least
four 90 inches more In thickness
than required for bearing walls.
Party walls between buildings be-
longing 70 the same owner and
erected at the same time shall not
be less in thickness than required
for external bearing walls
All openings I'm party walls shall
have regular underwriters' standard
nr. n resisting doors on each side of
Sec. ., DIVISION WALLS. In
buildings OF Class 1. division walls
will be required as follows: When
In Ordinary construction" any in
dividual floor space exceeds 5000
,SpnsSToe feet feet: In n, mill eonstra ss
''fre-proof construction" $1,000
square feet The walls when re-
CURED shall be OF the thickness
given In the table. and all openings
In the walls shall have regular un-
doors on each side OF the wall
Buildings 80 divided shall be treated
In regard TO stairs and fire escapes
as two or more separate buildings.
Sec. TO- PARAPET WALLS.
Parapet walls of brick. not less than
IL inches thick. covered with wealth
er proof coping OF incombustible ma
terfal. and extending at least one
foot six inches above the roof OF
buildings not over three stories high
and three feet for buildings more
than three stories high shall be
built on all buildings where such
roofs are fiat, where the roofs abut
against other buildings. or the
building stands on any lot line; also
over division walls between separate
buildings or over division walls OF
the same building on street or alley
lines Parapet walls may be dispensed
with on street and alley lines IL the
main walls are finished with incom-
bustible cornices or cutters at roof
line, or IL the tops OF the roof boards
and r0nf inlaf a "a nrof acf ed aRalnaf