The Detroit times., 1911-02-20

least twelve Ql) inches outside OF
every pile. thoroughly sealing the
heads or piles.
IL pile construction L. used under
water. and ranging and Gaping
timbers are used for foundations.
these -timbers shall not be less
than six (6) inches thick. properly
Joined together and the tops laid
below the water mark
Sec. Z. DEPTH OF FOUNDA-
TION. No foundation wall. pier or
post OF any building or structure
shall start at a less depth below
the finished grade than three and
one half (Sh) feet. and In build
ings without cellars or Easements.
when the first floor Is carried by
wooden beams or joints, the sod
and all soil containing organic
space below the Joists thoroughly
Sec 5. MATERIALS FOR FoUN-
DATIONS.-COA The walls
OF cellars or Easements below the
grade must be protected from
dampness by an exterior coating or
Portland cement mortar, or by hot
material. approved as such by the
Department OF Buildings.
Sec. o. FOOTINGS The footings
courses under walls shall BIO OF
stone, concrete, brickwork or steel
beams bedded In plain concrete. re-
inforoed concrete or q combination
OF any OF these, with sufncient pro-
lection on each side OF wall TO dis
tribute the weight of the super
structure. according TO the bearing
quality or the soil or the earth
underneath.
The thickness OF footing courses
are 20 be proportLoned. so that the
n( a6Qa hOl-
tom OF the lower footing course
shall not exceed an angle OF forty
five (46) degrees from the face OF
the wall. resting on such footing
course or courses.
IL steel or iron beams or rails
are used In footing courses this
angle need not be maintained. The
beams or rails must be properly
proportionsd and set to evenly dis
tribute the load over the whole OF
the bearing. All such beams or
rails must be bolted together and
be entirely covered or imbedded in
Portland concrete.
All cavities between such beams
or rails must be nued with than
concrete.
The mortar for footings must be
Portland cement mortar:
Sec. 10. DRAINAGE AND FROST.
Before the walls OF any building
are carried above the foundations.
the cellar or basement shall be
connected with the street sewers,
and such cellar or basement shall
be protected from dampness with
drain tiles.
should there be no sewer in
streets, or II the cellar or base
ment Is below the sewer level.
proper provisions shall be made TO
prevent water accommodating In the
cellar or basement to the injury or
the foundation.
protected against damage from
Sec. IL. CELLAR FLOORS. The
floors OF all cellars and Easements,
shall be concreted not less than
four ca inches thick, or paved with
hard brick laid on sand with ce-
ment grout.
When wood doors are to be laid
in cellars or Easements. the sleep
ers shall be laid on top OF the
concrete.
ARTICLE XVI
Masonry Walls and Piers.
Sec. 1. MATE RAILS FOR
WALLS. The walls OF all build
ings, except frame buildings. shall
be constructed OF brick, stone,
terra Gotta or clay tile. portland
cement COnCTttcg run VI shccAs
AZ approved by the department or
buildings, other hard incombus-
tible materials.
Sec. 2. THICKNESS OF WALLS.
The thickness OF walls as set
forth in this ordinance shall be
intended TO apply to all external
enclosing walls and to all internal
bearing walls. Internal walls. not
bearing walls. may be four CAD
inches less IN thickness than the
following tables, and no brick
wall shall be less than twelve d2)
inches In thickness. except as
hereinafter provided: and pro-
vided further that no one thick
ness OF wall shall exceed three
t3) stories In height.
For buildings OF, classes one
Cd. four ca, and nve l5). the
thickness Of enclosing walls shall
be as follows. unless otherwise
specified In this ordinance.