The Washington times., 1916-01-29
PUBLIC NOTICE

OFFICE or THE CoMMissiOSERs OF
THE Dis1fuCr OF COLUMBIA. washing
building Resuistlons Of the Distriot d %.
umbla, be, and the same are hereby anlended
Page 9. strike out the paragraph contain
ing the definition oil a Basement, and liiaert
IN lieu thereof the fOllowinRi
the clear ceiling height OF which Is one-halt
OF more above the level OF the adjoining
ground, Such story may be used Tor =
Page 8. strike out the paragraph contain
Ing the definition OF a Cellar and insert ~
lieu thereof the following: ....,,,... ,,.,o,y
Cellar That portion OF 1uliqing psiVM
the first floor iolBts, the ho0r Of Whlcn ~
more than one-half the clear ceiling nesgnt
may not be used for habltatlon."
rage 5s, In Paragraph - Of Section ~,
strike out the sentence, Vn corner w
yard Cfor the purposes Of these regulatlonsl
shall be considered the rear yard y deslfed
BY the owner and Insert ~ ieu d. ,hSTs Snra dor
the purposes Of these regulattonsl may pc
considered AZ a rear yard provided Y y on
the side OF the lot not adjacent 7" 'ne lsste.
Page Is. In Section %. inseft after the
word frames" IN the sixth ine o. ne @ hTst
vIded hereafter In this section, and on reee
a. add to the end Of said section Ss' the iol-
"i window and door frames opening QUITO
ventiating shafts shall be hreproof and the
sash shall be OF metal" -
Page %. In section s.. amend table. 80 Tar
| as II Affects buildings over 50 feet high, 30
| that increase in thickness OF walls Will occur
in multipies OF three stories starting from the
Page los. In Section ST. add to the nrst
sentence thereof the following, and the en-
closing walls are supported BY girders At each
Page li5 Add to the end of the paragraph
entitled, Painting Of structural metal work,
| in Section 50, the following paragraph:
| "Al iron or steel used In damp locations
| or under. water shall be imbeddsd Ia Portland
| cement concrete. No paint shall be appnSo
| to steel surfaces which are 10 De empedoeu IN
page iis. In section So. strike out the fol-
| lowing;.
"Aii columns must have one side open Of
| each colIhnn form until concreting iB begun
| in II, and its open side shall be Jagged Up 81
| the concretinR uroRresses but the top OF this
tagging shall in no case be more than three
t3) feet above the level Of the column con
! crete.
| section, the phrase. 'one side open Thal bt
! taken to mean that in horizontal cross-sec.
tion at least one-sixth OF the periheter vi ''''
| Page l92 In Section So, in the third para
graph on said page. substitute 40 POUNDS
for 80 pounds; and in the fourth p9rasrap pi
on said page, substitute 40 pounds for o'
Page Page i2g. In Section So. strike out the fol
"Conpressive strength Of steel. 1900 pounds
per square inch. -, ,o,oo ,.,.,
"shearing strength OF steel; 1000 poundi
per square inch" and insert in lieu thereon
the following: =.
shear. etc In calculations Of beams IL
which the Maximum shearing stress In
section Is used as the means of measuring IN
resistance TO diagonal tension stress the fol
lowing allowable values for the maximum
| vertical shearing stress are to be used;
| (a) For beams with horizontal bars onl!
| and without web reinforcement.-40 pound
per square inch where rs,r.,,
v - - X and - allowable unit shearin