The Detroit times., 1915-12-15

l 10 read as fOllOMS'
ARTICLE VII.
Sec. 3. FlREPROOF MATE
2 RAILS. The materials which
shall be considered fulhlllng the
requirements of fireproof mate
8 rials for walls are:
! z stone
= 3. Concrete
y 4. Terra Gotta
0 .. Hollow Burnt Clay Tile
| .. Cement Block or Tiles
Z. And for Non-bearing Parti-
3 lions:
Z (a) A combination OF pure Gyp-
5 sum and fibre not less than
. two CD inches thick net Sec
2 tlOn and not less than Ave-
elghths tM) inch webs.
. CD Cement plaster on metal lath
o applied To metal studding.
and with a total thickness
2 not less than two CD inches
3 thick
tc) Cement plaster on a fabric
B combining metal lath and
8 metal studding and with
total thickness not less than
8 two CD inches thick
3 Combustibie material covered
Q with any so-called "Fireproof
J Paint shall not be considered as
2 hrsprsof material;
FH'ANi iaNt NV pbOit THAN
3 six te% per cent by weight OF
4 fibre and webs not less than five-
3 eighths CD inch thick and the
9 mortar used shall be Of the same
7 material or OF Portland Cement.
Sec 81 CLASS 4 BUILDINGS.
F.? This class shall cover all build
. ings having no movable scenery
I and used AS assembly halls for a
, concourse OF people. whether for
purpose OF worship. instruction
Z or entertainment. and shall in
; clude rmori es. libraries.
o churches. church houses. schools,
pavilions. lodge buildings. assem-
2 bly, halls and minor theaters as
3 defined In Article 80. Section l.
OF the building Code.
D Any building or such part OF
8 any building which shall contain
I seating capacity OF more than
5 four hundred t400) persons and
. which shall be occupied by and
0 used for penny exhibits, ,phono-
2 novelty thcaters. exhibits OF NOV
3 ing pictures and all shows. OK
Nuts and amusemcnts OF like
. character shall be "A theater
. within the meaning OF this ordi-
7 nance.
ARTICLE TX.
Sec, 3 TILE All tile for floor
poses shall be made OF pure clay.
well burned. free from undue
warpihg and cracks. with webs
s and iianges not less than i've
elghths oAs OF an inch thick and
with rounded hllets at all inter
= sections. provided that webs less
o than hve-eighths go inch thick
| may be used II the vertical
height is less than five to) times
the least width. but such webs
may not bc assumed to transmit
pressure 10 "A mortar bed. No
tile shall he used which absorbE
more than twelve U2 per cent
OF It's weight Of water fully I'M
. mcracd.
% Tile shall be kno n as either
! hard, ordinary or soft Hard tile
Z shall have crushing strength
2 OF not less than two thousand
seven hundred and nifty l275ol
. POUNDS per square inch or net
8 section when tested with the
I cells vertical and not less than
8 two thousand t2.00o) pounds per
9 square inch Of net section with
q cells horizontal Ordinary tile
! shall have crushing strength
2 Of not less than one thousand
3 seven hundred and nifty l75O)
! pounds per square inch of net
. section with cells vertical and
6 one thousand Il 000) pounds per
Z square inch with. cells horizontal
: and shah haze not more than
= sixty tG0~,i per cent hollow space.
o All other tile shall he consid-
l cred soft and shall not be used
. In bearing walls
) Where concentrated loads bear
! on hollow tile walls. the wall
Z shall be made solid at the top by
s use OF brick OF by filling the
voids In the tile with concrete,
\ fer "A space not less than six 80
. inches deet~Wnd' -four ~ inches
q wide, for every ton of concen-
! irated load. This solid bearing
2 shall extend the width OF at lea 81
3 one tile and shall not be less
4 than two CD inches thick and
5 eight tS inches wide In any
q case
ARTICLE X.
Sec. LENGTH OF COL
. UMNS. POSTS AND PIERS. No
3 free standing or built in column,
post or pier. shall exceed the
following proportions OF the
least Side or diameter to the
Z height without being anchored.
stayed or tied by beams or grid
o at right angles To each other:
Brick or hollow tile piers. ! 10 O
2 Wood posts--short. ........l 10 ! 6
3 Wood posts--long ...,.....l to "a
I Cast iron columns-short. To 20
) Cast iron columns---long l To 30
steel columns: ............1 to ~
Sec. 5. MASONRY SAFE LOAD.
. Allowable safe loads In tons per
, square foot
Brick work---Limc mortar.
3 seven 90 tons per square foot.
d Brick work--1.lmo and cement
mortar. nine t9) tons per square
s foot %
9 Brick work-Lime and yPort.
o land cement mortar. eleven UD
4 tons per square foot.
IL To-.
3 mortar. fifteen D5) tons per
: When the entire walls and
6 piers are built OF pressed or paw
ing brick, the loads may be in
Q 5000 per cent OF the above.
% Hollow tile, hard--Portland ce-
Il ment mortar with not more than
z ten G0rab per cent hydrated lime.
q cells vertical. twelve Q2) tons
Z per square foot net section
% Jumbo tile laid horizontal and
Is faced with four D inches OF
Z brick and bonded 10 back-up tile
y every eighth (Sth) course, elcvcn
= UD tons per square foot net sec
~ ton.
2 tar, five go tons per square foot.
% Bubble stone work-Lime and
= cement mortar. six t6) tons per
- square foot.
&c Bubble stone work--Limo and
"a Portland cement mortar. seven
IL CD tons per square foot.
70 Bubble stone work-Cement.
70 eight go tons per square foot
4 Bubble stone work-Portland
2 cement. ten UO) tons per square
= foot
a Concrete-Cement. eight (9
3 tons per square foot.
g Concrete footing-Portland CO.
Z ment. thirty 900 tons per square
foot
Sec. s. HOLLOW TILE. Hollow
2 tile meeting the requirements OF
3 Article TX. Section q. may be
used In construction OF hearing,
8 enclosing and partition walls I'M
g der the following conditions: