Evening star. [volume] (Washington, D.C.) 1854-1972, 1920-07-21
the level Of the second history window sill.
but not exceed a height Of twenty-five
feet.

the level Of the second STORY window sill
but not exceed a height OF twenty-five
feet
District ID Regulations.
District d. which takes in the down
town section Of the city, will be gov
exned as follows:
a No front yards are provided for.
= Rear yard-There shall be rear yart
on interior lots having a depth OF no
less than 10 per cent of the depth OF the
1ok. nor less than ten feet, nor less thar
two inches deep for each foot OF build
ing height.
Side yard-A side yard, if provided
shall be not less than five feet wide, noI
less than one inch wide for each foot OF
building height. nor less than one incL
wide for each foot of building length
Open court-An open court shall De
not less than five feet wide nor less
than one and one-half inches WIDE
for each foot of height of such court
nor less than one and one-half lnches
wide for each foot of length for sucn
court from the closed end:
Inclosed court-An inclosed court
shall be not less than six feet wide
nor less than one and one-half inches
wide for each foot of height of such
court, nor shall its area be less than
twice the square of its required least
dimension.
building shall occupy in excess of so
per cent of an interior lot, nor In
excess of 90 per cent of corner
lot, excepting that buildings or that
portion of a building used for com
nnercial or industrial purposes may
occupy 100 per cent of a lot up TO
The level of the second story window
taill. not to exceed a height of twenty
two feet.
Exceptions and Regulations.
THE foregoing requirements in the
area districts shall be subject to the
foilowing exceptions and regulations
I'D All tenements or apartment
Houses hereafter erected containing
two or more apartments per moor
Shall have side yards on each side IN
conformity with the size specifled IN
fhe district in which such tenement
ar apartment is to be erected. ana
shall. in addition, have front yard
as required for buildings in the Il
area district. a tenement or apart
Hfent erected in the ID area district
shall. in addition to the above re-
qairements. conform to the area re-
striction of the "C' district.
a In computing the percentage OF
lot occupancy for buildings designed
ar intended for use for commercial or
indust rial purposes, or any theater,
motion picture house. church, audi :
forum, place of amusement or any
building used or intended to be used
occasionally, where such building has
IN alley on one or more sides one
half of the area of such alley or
alleys Immediately adjacent to such
lot may be assumed to be portion
ot-such lot. The buildings, as enumer-
afed above, where abutting on an
alley at least fifteen feet wide, in the
rear of such building, may waive the
Requirements for a rear yard when
complying with the percentage of lot
occupancy by furnishing other open
spaces in lieu of such required rear
Yard.
70. In computing the depth of a rear
yard or the width of a side yard or
open court where such yard or court
opens into any alley or street one
half of such alley or street may be
assumed to be a portion of the yard
er court
s. Accessory Buildings.
IA. Accessory buildings may be
erected upon the required rear yard
for any building except such Access
sorry buildings may not occupy in
excess of 20 per cent of such rear
yard or exceed twelve feet in height.
Any accessory building exceeding the
above requirements or dimensions
shall be considered a separate build
ing.
5. Every party of required yard or
n6ant to the sly unobstructed, except
tor the ordinary projections of sky
lights above the bottom of such yard
tEtcourt, and except for the projections
u stills, belt courses, cornices and orna-
mental features not to exceed four
inches.
ES8. Open or lattice inclosed fire es-
e4pes. hreproof outside stairways or
ac3td f1oored balconies opening upon fire
tdNers, projecting into the yard or
QQSrt not to exceed four feet or the
dS&inary projections of chimneys and
q Buildings where same are SO placed
q <to-n not obstruct the light and yenti-
l6t3ons.
"a. If more than one building is here
Per placed on a lot, or on a lot with
-, existing building. the several build
INEs may, for purposes Of this regula-
tn be considered as single building.
ny structure, whether detached or at
thed TO a building, shall. for purposes
dzthis regulation, be deemed building
dpart Of building; If two or more
Budings are erected upon contiguous
In sor plots and are to be used as in
4$ral parts of a single establishment,
the several buildings shall be considered
~ parts of one building in applying the
p9pvisions of this regulation. If one or
nore buildings not fronting on a street
are erected in the rear of a building
ftSnting on street, and are to be used
Al integral parts of a single establish
n3knt, the several buildings shall be con-
sicered as parts of one building in ap-
Plying the provisions Of this regulation
II May Affect Entire Lot.
Where an area district boun-
dNfy line divides a lot or plot under
a,isingle ownership at the time this
regulation takes effect, the area reg
ulhtions for either portion of the lot
niay be extended to the entire lot, but
not to exceed 25 feet beyond the boun-
d41y line of the district for which
such regulations are authorized.
IS. All rooms or open spaces in any
building hereafter erected in which
Parsons live. sleep, work or congre-
gate shall have a window, windows
or skylights open into a street, alley,
0<gulation court or yard, said window,
windows or skylight shall have a net
glass area OF at least 10 per cent os
the floor area of such room or open
space, provided. that If it be imprac-
-ticable to provide such windows as
aforesaid, such rooms or open spaces
shall in lieu of such windows be VEN
tilated by an approved mechanical
system, which shall affect at least six
complete changes of air per hour dur
ing occupancy; provided, further, that
the provisions of this section shall
not apply to rooms in which the I'M
occupied space exceeds 900 cubic feet
for each occupant; and provided fur
Their, that the provision of this sec
tiDn shall not apply when the intro
dtction of such light or ventilation
would prove injurious to the manu-
feature or storage of any article or
commodity.
10. Every inclosed court shall
have at least one horizontal intake
near the bottom of the court and con-
MEETING directly with the street or