The Washington times., 1905-11-27
COMMISSIONERS NOTICE.

COMMISSIONERS NOTICE.
OFFICE OF THE COMMISSIONERS
OF THE DISTRICT OF COLUMBfA.
November g, 1906. Ordered: That section
g OF the Building Regulations of the
District of Columbia is hereby stricken
out. and that the following. TO be known
as section % of the Building Reguiat tions
of the District of Columb bia is substftur-
ed In lieu thereof. to take effect on and
after December I, 1906, viz. LIGHT AND
VENTILATION Section go par.
Every building hereafter erected in the
District of Columbia shall have sufficient
light and ventilation for the purposes
for which il is to be used, and in the
determination of the sufficiency Of light
and ventilation, due consideration viii
be given to the permissible construction
on adjacent lots or parcels of land of
buildings authorized by the building reg
ulatiOns. Par. b. Every building here
after erected, designed for habltation,
except stables fronting on an alley or
alleys, shall be constructed so as not
to occupy more than ninety per centum
of corner lot and seFenty-five per cen
tufn of an interior lot, provided that II
such building is adjacent to a public
alley or alleys either on its rear or any
side. or on both rear. side or sides, half
the width OF the alley or alleys on which
such building abuts may be considered
in calculating the area OF lot or. lots or
parcel of ground permitted TO be built
over; provided. that no building on any
interior lot or parcel of ground shall oc-
cupy more than ninety per centum OF
the area OF SQCu lot OF ndTEei OF EIOUtfO.
and provided further, that wherever
building restriction lines exist that pOT-
ton Of every lot or lots or parcel OF
ground. between such building restric-
tiOn line or lines and the street line shall
not be considered in computing the per
centum OF area herein permitted to be
occupied by any building or ouila-
ings; and the area occupied by shafts
or wells for closets, bath rooms,
and other similar purposes. shall not
be considered in calculating the area of
I ha n he accounted nFfiIH-
ing or buildings. Par. G. Every build
ing hereafter erected. designed for
habitation. shall have in its rear a yard
extending across the entire width OF the
lot which yard may be included IN
computing the space reserved for light
and ventilation as required In para
graph A of this regulation, and
which yard shall be unobstructed from
ground to sky, except that approved
IRE escapes, uninclosed stairways. or
uninclosed porches, may pc erected
within such space provided they do not
project more than FIVE feet from the
rear Of such building The depth OF
ing the lot is twenty feet or less in
height shall be not less than nine feet
and for each increase OF five feet over
twenty feet in height OF building there
shall be an increase of six inches ia
depth of yard, provided that II a public
alley exists adjacent to the rear OF
such lot One-half of the width OF such
alley may be included IN calculating
the depth of such yard. but in no case
shall there be less than five feet Of un-
Obstructed yard. The height of such
building for this purpose shall be meas
ured from the established grade of the
adjacent alley. or If there be no alley
of the sdtacent street, to the highest
point of the adjacent cornice or cor
nices in accordance with the provisions
of subsection of section 80 of the
building regulations. Lots OF trfangu-
where The adjacent lot extends from
street to street or from street TO a
public alley not less than ten feet wide
may be excepted from the requirements
Of paragraphs B. and &C. of this
regulation. Par. D. No fnclosed court
for a building twenty feet or less In
height. shall be less than twelve feet in
each dimension of unObstructed space
open from ground to sky. For each ad-
dItional FIVE feet in height of build
ing. there shall be an increase OF six
inches in each dimension of unobstruct-
ed space. The measurement of height
of buildings shall be taken from the
est point of the cornice or
cornices Of the adjacent roof or roofs
Every inclosed court shall have one or
more horizontal intakes situated at or
near the bottom of the court and con-
Meeting directly with the street or yard
which intake shall be not less than
twenty feet cross-sectton and shall be so
designed IS TO allow a free passage OF
air Par z. No court open at one end
shall be less than four feet wide No
court Open at one end longer than fifteen
in height shall be less than six feet In
width of unobstructed space, open from
bottom Of court to sky For each In
crease of five feet In height of building
over twenty feet there shall be an in
crease OF six inches in width and for
each additional thirty feet or fraction
thereof I'm excess OF thirty feet I'm
length there shall be an increase
of six inches i'm width. The measure
ment of height of buildings shall
be made as provided in paragraph &C.
of this regulation. Par. F. No side
passage extending from street TO alley
or from street 70 open yard, shall be less
than five feet wide OF unobstructed
space, open from ground to sky Par g.
Buildings on streets which have been de-
nominated by the Commissioners as
business streets may cover the entire
area Of a lot or lots OF parcel of ground
for such of the stories beginning with
the lower one as are used for storage
subject to the provisions OF this reeuIa-
ton as to stories intended for habitation
Par. H Business buildings, not designed
for habitation. hereafter erected on resi-
dence streets shall have rear Yards "a
required in para graph CO. of this ree7I-
lation. but shall not be subject to the
requirements of paragraph b" Par. /.
No building shall hereafter be altered or
enlarged 10 eT1croach upon the space re-
served for light and air either on the
lot or lots or parcel OF ground on which
IL Is erected or on adjoining lot or lots or
parcel of ground. Par. J. Fire escapes
shall be located so as not to interfere in
the judgment of the Commissioners with
the provisions for light and ventilation
HENRY =. F. MACFARIAND HENRY
L. WEST JOHN BIDDLE. Commits