The Detroit times. [volume] (Detroit, Mich.) 1903-1920, 1913-10-22

8 cred as fulfilling the require
4 ments OF hreproof materials toi
walls are:
i. Brick
2 Stone.
g. Concrete.
T. Terra Gotta. 49,, !
q 5 Hollow Burnt clay Tile.
1 g. Cement Block or Tlles.
. : And for Non Bearing FAR
1 IaJ \ combination OF pure I
Gypsum and hbre not less tnah
6 two CD inches thick net section
I and not less than three-auar'ers
5 (N.) inch webs.
9 Obj Cement plaster on mSta'
o. Hath applied 20 metal Stnn"inSt
/ and with total tbickhess nor
> less than two 90 inches thlck.
3 CO. Cement plaster on taprlc
4 combining metal lath ana metal
: studdins and with total thlsk-
8 ness not less than two CD inchss
: thick.
5 combustible material covered I
y with any so-called "hreproot
o paint" shall not be considered as
l freproof material. ,
,,s Sex ana s ,l Gyp sSnii hST ypS %oi
3 more than six ,6l per cent by
4 weight OF fibre and webs not less
8 than three-quarters Ga men
8 thick and the mortar used shali
Sec. II. Type g. Mil con-
= struction, This type or construS-
3 ton shall be applied 10 all build,
4 ings in which enclosing walls ana
5 the roof coverings are TO be made
& OF incombustible material and all
: interior wills OF brick or con-
5 crete and having columns ana
y girders. Floors, ceilings and roofs
0 shall be constructed with either
metal or wood girders and beams.
J Beams and girders shall De
covered on top with at least one
Z and three-quarters q inches OF
s IL at least one % layer OF one
I and one-half ph) pounds per
s yard asbestos paper or two %
inches of mortar ana a seven nd
i fioor' II the sub-fioor be less
? than three and one-half t3ED 4
3 inches thick. IL shall be splined,
I or tongued and .grooved
The columns, II OF wood, shall
6 have sectional area OF not less
I than sixty $50 square inches.
3 The girders and beams, if or
? wood. shall have a sectional area
0 OF not les than hfty-six loe) |
Columns. girders and beams. n
! OF metal. shall be covered as In
I Protected Construction.
stair and Elevator enclosures
5 shall be made entirely OF incom-
I bustible material. at least
one and three-quarters h%) inch
thick.
II such building are s.,n 1Sgr a., tn
, stair and elevator enclosures. shall
have self closing. standard fire
doors, and the windows in In
terror walls shall have metal
frames and wire glass.
caps forming base for the post
, above and the ends OF girders
shall be secured to the cap In
such a manner as TO be self-re-
Wood beams and girders hav-
ing cross section less than
eighty (so) square inches shall
be in solid pieces and where two
CD or more pieces are used TO
, form beam. they shall be bolt /
ed together at intervals OF not
over thirty-six 1850 inches and
with bolts not less than one-half
, The ends OF all wood beams
and girders resting in walls shall
be cut on bevel so that the top
edge OF beams and Orders shall
not s.c extend I'd into ria, she wal buildings
. This class shall cover all build
! ings having no movable scenery
1 and used as assembly halls for
eoncourse Of people, whether for
purpose OF Worship, instruction or
!, entertainment and shall include
railroad depots. churches, church |
houses. schools. pavilions; lodge
| buildings. assembly halls and
minor theaters as defined in Ar
ticle 80, Section I, OF the Building
Code.
ARTICLE VIII.
Sec. I. Heights required. MOI
3 building hereafter erected or
3 raised, unless otherwise provided
I I'm this ordinance. shall exceed the
following dimensions In height: /
II an attic space OF any build
il shall have at least one
half OF each room eight feet: six
} inches t8'6") In the clear. ceiling |
height and stairways according to
Article 90. of the Building Code.
ARTICLE IN.
Section 3. New Section) Tile.
, All tile for door or wall or for
fire-proofng purposes shall be !
made Of pure clay. we'll burned.
free from undue warping and
less than five-eighth CD OF an
inch thick and with rounded nj.
let's at all intersections, provided
that webs less than -eighths
inch thick may be used II the
times the least width. but such
webs may not be assumed to
transmit pressure to mortar
bed. No tile shall be used which
absorbs more than 1s% of its
Tile shall be known as either
hard" Ordinary" or soft"
Hard tile shall have crushing
strength. OF not less than three
pounds per square inch of net
section when tested with the, cells
vertical and not less than two
thousand ta,eoO pounds pounds per per
cells horizontal and shall have
not more than sixty per cent hol.
low space. Ordinary tile shall
have a crushing strength OF not
less than one th3 2, ,inS na seven
per square inch of net section
with cells vertical and one thou
sand 10000 pounds per square
inch with cells horizontal and
shall have not more than sixty
per cent (sors) hollow space. All
other tile shall be considered soft
and shall not be used In bearing
walls.
posts and piers. No free stand
Ing or built-in column, post or
pier. shall exceed the following
proportions of the least side or
being anchored. stayed. or tied by
beams or girders in at least two
CD directions. at right angles TO
each other:
Brick or hollow tile piers ! 10 10
Wood posts-short. .......l to 10
Wood posts-long. .......1 TO -
Cast iron columns--short. j TO 20
Cast iron columns--long. ] TO 30
Steel columns ............ i to ~
Allowable safe loads in tons per
square foot;
Brick work--Lime mortar, sew
en- CD tons per square foot.
Brick work--Iime and cement
mortar. nine 90 tons per square
foot.
Brick work--Lime and Portland
cement mortar, eleven I'D tons
per square foot.
Brick work-Portland cement
mortar. fifteen t5) tons per
square foot