The Detroit times., 1911-02-20

height and Increased four ca
inches in thickness for each addi-
tional one hundred (io0) feet or
fraction thereof
teTvals of not over fifteen (lol
feet may be twelve (iD inches
thick for the upper one hundred
and twenty-five (126) feet IN
height and increased four CD
inches In thickness for each one
hundred C1oO) feet or fraction
thereof.
In buildings or reinforced con-
crete where the columns are built
reinforced and OF full strength and
carrying capacity. as called for In
this ordinance, the walls between
columns may be curtain walls.
built as called for in this section.
walls may be built eight (S) inches
thick II not more than twelve O9
feet long, nor more than Ave 90
feet high. otherwise they shall be at
least twelve (l2) inches thick and in
all cases they must be bonded into
the piers at each end.
Sec IL. RESIDENCE PARTI-
TON WALLS. In residences eight
inch masonry interior partition walls
may be built two stories high and
permitted TO carry toists and beams
above, II the length between cross
brick or concrete walls shall not ex-
ceed'30 feet, and II the clear span OF
the beams or joists supported shall
not be over rs feet long. Otherwise
the brick or concrete partition
walls must be ~ inches thick. or
shall have piers or buttresses OF
such size or capacity as the De-
partment may deem necessary.
Should the clear span OF the
supported beams exceed thirty
eight feet. the supporting partition
walls must be sixteen inches thick,
or twelve inches thick, with ample
piers and buttresses.
Sec 15 PIERS-BUTTRESS
Piers or walls with buttresses may
be used in place OF continuous
walls, provided the full amount OF
nance for these walls Is used In
the piers or walls with buttresses.
All such piers shall be built or
good, hard brick. laid in cement and
sand mortar. with uniform joints
throughout. facing and backing, ana
OF sufficient size to safely carry
the load intended for them.
The joints shall not exceed one
half (ls) OF an inch in thickness
sucn piers may be built OF rein
as called for In this ordinance.
All piers shall be bonded as
walls, and where face brick are
used. different in size from the
backing brick. the same regula-
All face brick in piers must be
laid to have full bearing OF mortar
under the entire surface or each
brick
The laying Of face brick in piers
merely with the joints around the
outer edge OF the brick Is prohibit
ed
All isolated brick piers shall
have bond stones at least nve tel
least three sixteenths (3-16) OF an
inch thick, and OF full size OF piers
and spaced at intervals OF not more
than four (4) times the least d.
mension OF the piers.
Cap stones not less than Ave
t5) inches in thickness. or steer
plates. proportioned In either case
TO the weight TO be carried and or
the full size Of the pier. shall be
set under all columns or girders
bearing on piers.
In the case Of an external brick
pier, the metal plate may be re-
duced sufficiently In size 10 allow
four ca inches OF brickwork TO
intervene between the edge OF the
plate and the face OF the pier ex-
posed TO the weather.
Isolated piers shall not exceed
in height ten 10) times their least
dimension.
Sec. i6. STONE PIERS UNDER
INTERIOR COLUMNS. stone piers
for the support OF posts or columns
above, shall not be used In the IN
terror OF any building
Sec. II. LINING EXISTING
WALLS. In case IL is desired TO In
crease the height OF existing walls
which are less In thickness than re-
CURED under this Ordinance. the
same shall be done by a lining or
masonry to form combined
thickness with the old wall OF not
less than four (D inches more than
the thickness required for a new
wall under this Ordinance.
The new lining shall be support
ed on proper Foundations
No lining shall be less than eight
90 inches In thickness. and all lin
ing shall be laid up In cement NOR
tar and thoroughly anchored to the
old wall with suitable wrought
iron anchors spaced not over two
CD feet apart, vertically and hor1-
zontally and properly fastened or
driven into the old walls in stag
gered rows, the old walls being
first cleaned OF all plaster and all
other coatings.
All Innings to a basement wall
shall be at least twelve G2 Inches
thick and must project at least
four % inches beyond lining Oh
wall OF the story above.
There may also be used TO In
crease the height OF buildings, steel
skeleton construction with ample
foundations and anchored to pres
Sec Is. EXISTING PARTY
WALLS. Walls heretofore built or
used as party walls. whose thick
ness at the time OF their erection
was In accordance with the then
existing laws, but which are not In
accordance with the requirements
OF this Ordinance. may be used. III
I'm good condition. for the ordinary
use OF party walls. providing the
height or the same is not Increased,
and provided further that the con-
dition OF stability required by TINS
Ordinance are complied with.
Sec. 10. HOLLOW WALLS. For
all walls built hollow. the same
quantity Of stone. brick or concrete
shall be used In their construction
as 81 they were built solid. and no
hollow wall shall be built unless
the different parts are connected
by proper ties, either or brick,
stone or metal, placed not over
hollow wall shall have any bear
ing part less than eight CD inches
thick
All hollow walls must be finished
sO sec. az 90 the hollow Up TILE WALLS.
Eight (s). six CO.. four G and
three (3) inch hollow tile or hard
burnt clay or porous terra Gotta or
Portland cement block. non bearing
partitions may be built not exceed
ing in their height measurement
OF thirty (30D, twenty-five (22),
eighteen Cs) and twelve 02) feet
respectively and In length not ex-
cesding seventy-fve (75) feet, un-
less strengthened by proper cross
walls, piers or buttresses or built
in iron or steel frame work, when
the latter is Embedded in or insu-
lated by the same material. OF
which the partition is constructed.
Sec. 81. TILE WALL Innings.
Where hollow tile or porous terra
Gotta blocks are used as lining or
Turing for walls. they shall not be
included I'm the measurement OF the
thickness OF such walls, except In
curtain walls not over one CD
story or fifteen G5) feet high. or
10 aprnp walls