The Detroit times., 1911-02-21

should any story exceed the
must be considered as two CD or
more stories in height. .,a.a.
Two story single residences
having a ground floor area OF not
over one thousand u.00O) 50. r.,
having fiat roofs. may have eight
(s) inch outside masonry walls
on a twelve (i2) inch thick foun-
dalton wall up TO the first Moor
level, provided. however. that SAID
outside walls do not exceed NIFTY
900 feet I'm length;
One story buildings having no
one wall more than twelve Q2)
feet high above the grade, nor
more than twenty-five (2b) feet
long, may have walls OF brick
Isl inches In thickness. but all
such walls must have twelve (l2)
inch thick foundations up to the
first floor level and should these
bgLldings have Incs s w m Ioots nave sHs
piers or buttresses.
Sec. 3. BONDING. For all COM
mon brick walls and piers. the
brick work shall be bonded by
once every sixth course In height.
Where pressed or other brick
than common Is used for facing.
.S fssS,ns ond ssloh Into sS h. D.es Z.
ing.
with the ordinary running
bond" the face brick shall be
bonded with metal wall ties spac-
ed not over eighteen -t1s1E inches
either way or the face brick split
srs behind.
II the face brick and the
backing brick are OF different
thickness, they must have q brick
bond at least every tenth course,
otherwise the four ca inches OF
part OF the thickness OF the wall
as required under this ordinance.
'Flemish" or English" bond, at
full header. II the face brick and
the backing OF brick are OF such
different Weaknesses that this
cannot be done. the four CD
inches OF face brick shall not be
GO counted int ws a. part Of the thickness
All intersecttng walls shall be
thoroughly bonded at the intersec.
tions with regular brick bond
S %s:n R 1s.Sss ,.on snassr. nos
less than s-fxi 1-2x2t inches. and
spaced not over nvs CD feet
Sec. 4. TERRA GOTTA FACING.
Where Terra Gotta facing II used
be- counted h as part Of the r 9ssuiar r
thickness OF the wall. unless this
Terra Gotta 10 bonded with con-
tinuous brick bond to the wall
backing at least every twelve lO
course OF Terra Gotta shall exceed
In height three times its bed. and
provided that all hollows for the
full extent Of bearing shall Dc
cement n or w With concrete. '
All projecting courses Of Ter
IA Gotta must have sum cfent
bearing on the wall to bring the
center OF gravity at least four 90
ample steel frame anchors approx
cd by the department OF buildings.
Sec. s. AsHLAR- Stone used
for the facing OF any building.
and known az Ashlar shall not be
less than four ca inches thick.
ed to the backing. and the backing
shall be OF such thickness az TO
make the walls, independent OF
Ashlar. conform In thickness with
the requirements OF this ordi-
Should the Ashlar be not less
that eight CD inches thick and
bonded Into the backing. IL may
be counted as part OF the thick
~
Iron Ashiar 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
ing on wall to bring center or
gravity at least four ca inches
O.. ws .~,x~ ,,,x~r,ae, -,
outside piers are built OF coursed
sstone with dressed level beds and
vertical joints. such waIls or piers
may be built OF a less thickness than
crushing strength OF the stone Is
greater than the brick. but In no
case shall walls OF piers be less than
three-auarters (hD OF the thickness
provided for brick work.
Sec. z. LEDGES. In buildings
Of Glasses I, and s when OF ''Ordi-
nary" or Mil construction, bear
Ing walls sixteen Q6) inches or less
In thickness shall have oorbelled
brick lodges projecting at least four
CD inches to carry the ends OF joints
In buildings of Classes . and .
and or similar construction. and hav-
ing twelve tl2) inch bearing walls
>A N~eA Y" aAS~ AN>~
Sec. 8. PARTY WALLS. Party
walls between buildings belonging TO
different owners shall be at least
than required for bearing walls.
Party walls between buildings be-
longing to the same owner and
erected ut the same time shall not
be less In thickness than required
for external bearing walls.
All OpontnRa In marty UalIa ahall
have regular underwrftsrs' standard
IRE resisting doors on each side OF
Sec. .. DIVISION WALLS In
win be required as Follows: When
In Ordinary construction" any In
dividual floor space exceeds 5000
square feet. In mill construction"
1000 csnr square feet; in protsct.d oS or
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-
dsrwr1ters standard fire resisting
Buildings 30 divided shall be treated
In regard TO stairs and fire escapes
az two or more separate buildings.
Sec. 10. 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 fat, 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
linea Parapet walls may be dispensed
with on street and alley lines II the
main walls are finished with incom-
bustible cornices or cutters at roof
line. or II the tops Of the roof boards