The Chronicle-star combined with the Moss Point advertiser., 1946-03-29

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Every masonry pier supporting
girdcr. arch or Olumn, or q Inte
carrying a wall over an opening o
more than ten feet in span. shsi
vided that Isolated piers or posts Qf
the interior of buildings shall not b,
built u stone; and provided furtheI
that isolated piers shall not be pull
Of hollow block masonry IN building
Of fire proof construction. Or neaNl
TIMBER construction.
The unsupported height of pier
shall not exceed in height ten tffnei
Their least dimension. Structural CLAY
tile or hollow concrete masonry unit'
snail not be used for Isolated piers
20 support beams and girdefs upseSi
sohdiy filled with concrete but no
increase in loading shall be permit
ted because OF such filinE.
Door ana window openl1g8 IN Wais
shall be spanned by weIl-buttfassec
aiencs. or Dy lInteb having bear,
lngs pr0pcrtioned 10 their loads bul
not less than four inches.
NO masonry, except for interior par
titions, shall be supported on wooden
Elrdery on other form Of wood On
struction.
No TIMBER. exeept mating blocks not
exceeding IN ordinary brick in size,
shall be placed IN masonry walls pro
vided that in buildings of ordinary
construction. timber Lntels may De
placed over openings. on The tnslue
/ VI III Nttt ~ - ffftf tt+ 49,
more han Two inches on the wall ana
, chamfered or cut to serve as centres
tof masonry arches; provided further
that this shall no preclude the use, on
tHtrIIOJ Wait. JOt uecoiatite put Doesl
only, of timber members against the
...A.Dtuy !, u set mao niaiotny wfiet q
the wall exceeds eight inches IN
thickness.
quafeIy biaced and arches tfmpofaf-
\ ily JOr
/ In solid brick walls every sixth
course shall be bonded into tie Lack
8nE IN a substantial name
SECTION II. CONCRETE CON
81 AUCTION.
Concrete for reinforced concrete
shan CONSIST Of one part Portland &C.
inuiii aiiu not nlote tnsin SIX parts az
gfegatc, by volume measured dry. u
not more than seven and oneitah gal
ions of water per sack, ninety- tuuf
pounds. OF cenent The aggregate
shall be mixed IA an approximate
/ fatlo OF two parts fine Aggregate ana
quIrelnent Hpplies under ordinary ton-
a4ti0ns aud uoea not preclude the use
Of other mixtures Wilen duly atihat7
lied.
an Building Regulations for Re
iniorced Goaetete' as adopted by the
American Concrete Instltutlon ahall
constitute the accepted good pfac
Ice m reinforced concrete cnnstfuc-
ton.
MA ia. PROTECTION OF
WALL OPENINGS.
Except IN spfinKiered buildings. the
aggregate width OF ali opeilflg5 ~ q
fue wall at any level shall not ex-
ceed twenty five per cent OF The ienRtn
u sac wa.i,
Every opening in q required fire wall
Gliah sc t.4ole..eu oul yatH s.te u t4iN
wall with an approved fIre
door. PROVIDED mai WneD an ot1eiiAtt@
IN a ire wall serves as a horizontal
exit the wall shall have no openings
vtisr thaf doai Openings not eN-
eeeding fortyeight square ieet IN
afea, ana one ot the automatic fire
aooIs at each opening shah be ne
placed by a self-eIostng fife door.
Every building, except dwellings,
churches, buildings OF frame eotistrac-
ton ana OF unprotected metal com
structton, and garages and parking
lots incompietely enclosed with walls,
.sTall nave approved IRE InuoW or
other approved protectlves III every
opefinB IN the exterior walls Wnen
Auoh opening faces on a street and as
less than 80 feet from the 0ppoAtte
building line. or when such opening Is
less than tiity feel distant III Il difect
uilobstructed line from an opening in
another building, or when suen open
ng IS above ana net more than NAY
feet distant from any part OF a neigh
notmg touf, provided thaf such pro-
lection shall not be required tor SNOW
f.lttlVWa lttHtE on "A ttittN WlifCAi az
not extend above the first full story
.suve grade. and provided turther
mat sucn protection shall not be re-
CURED when the opening 10 DC proteet
a anu tite opetifiiR against winch II
Is to be protected are Situated IA
s.a..s IA the same plane or IN parallel
planes and are facing In the same
direction.
Fire doors. fire shutters and fire
windows on exterior openings. when
moi lt4nIllfa1 IN Hts gltafi 4n1ft hts
closed w the occupant OF occupants OF
NE butlding having the use OF eon-
troll of theal,
SECTION 10. WOODEN 0sIRDERS,
CoLUMNs. BEAMS AND JoiSTS.
In buildings. other than buildings OF
frame const1 aettoll. wooden beams ana
costs. except headers and tail loists
shall have bearings OF at least fout
inches. When resting on masonry
vans the ends shah be cut to q
level OF three inches IN their depth.
Wooden tflninefs. headers and tail
1oists over sax feet IN length, unless
supported on walls or glflefst shall be
hung an metal stirrups or hangers.
NO wooden girders, beam or loist
snail be cut u pierced III any man
nef that would cause IL to be of IN
sufficient strength tor ts losa tN-
eeDl IA the Cast OF pitched roofs.
wooden fiuar and roo JoiaI3 HAVING
spans M excess of eight feet shall be-
hgiuiy braeed with continuous rows
! OF bridging al intervals not exceeding
eight Get.
an Il construction all trim
mefs and at least one beam or lolst
IN every SIX teet, which rest on ma
sonry weiis. shall be secured To such
/ walls by approved metal anchors at
tached m q manner at on hear the
bottom To DC seif-releasing When IA
eiiu of SUCH a trimmer, beam or toist
Is supported by a Hirder, Il shall be
secured or tiea ia an approved man
L ftAl Ia AlIfh atffAI ~ 10 "A trimmer.
beam or ioist correSpondinGtY Sup
ported from the opposite side Of such
girder. lftmmers. beams or 1otsts sup
ported by girdefs at both ends sinai
ne summary secured 10 such gifder
az To trHnmers. beams OF 1olsts sup
Lported from Opposite sides ON such
q 10 form continuous ties between
opposite masonry walls,
Where ttoor % fuOt lOists. OF can
run parallel to masonry walls OF along
tide of piers otffcrwise Unsupported
zuch walls and piers shall be secured
to four or more lOIstS al the floor oi
ROOT construction by metal anchors
In ordinary construction wall plate'
and roo construction shall be an
ehored TO the walls at least every so
teet. In heavy tlmner construction
every roof girder. and every altei
nate roof beam. shall be anchored 4
an exterior OF interior wall Or te
I an interior column; roof planning Where
/ supported by a wall shall he anchored
to such wall at intervals not SNHeeu
ing twenty feet. every monitor anc
every saw tooth construction shai
ne anchored TO the main roof eunstfuc.
ton, Such nchor shall consist oi
steel or irun bolts or straps OF sum
eicnt strength and ample anenoriagS
to resist a vertical uplIlt OF the roOi
OF mol less than twenty pounds pc
sduare foot of roof surface.
la frame construction sliiS shal
be anchored to the foundation walls a
i .ert,txfa4a All axsRaaHfYtQ ely feet hN
anchors equivalent to bolts not les
than hail inch IN diameter witt