Pierre weekly free press. (Pierre, S.D.) 1889-19??, 1916-01-13

grees Fair.
Resolved, That in cars in which
wraps are worn a temperature OF not
less than so degrees Fair. or more
than so degrees Fahr should be main
tanned during artificial heating.
Resolved, Thai ventilation by the
deck sash is never satisfactory in ele-
waited cars.
Resolved, That inlets should be Of
such size and location that drafts are
not ~perceptible when the air enters at
a temperature of from SO degrees to
6O degrees Fair, and they should be
OF such number and distribution as to
supply the maximum number of &C.
cupants with the proper amount Of
air.
Standards.
Resolved, That the following
standards should apply to the ventil-
alton of cars:
street cars, elevated cars, or other
cars making frequent stops, during
which the doors are opened, shall be
SO ventilated that the amount of air
entering the car for ventilation
through openings provided for such
purposes shall be at the rate of not
less thar 500 cubic feet per hour per
occupant, based upon the maximum
carrying capacity (seats and stand,
ing room included) of such car. pro,
vided that the total amount from ali
sources shall not be less than 75o
cubic feet per hour.
Day coaches, sleeping cars, subur.
pan cars, and other cars making long
runs shall be so ventilated that the
amount OF air entering the car for ven.
tilation, through openings provided TOY
such purpose. shall be at the rate OF
not less than 1000 cubic feet per hour
per occupant, based upon the maximum
seating capacity of such car.
smoking cars n smoking COM
In cars shall be so ventilated
that the amount Of air introduced for
ventilation shall be at least 20 per cent
IN excess Of the amount required for
the same type Of car under the above
standard.
Picture Theaters.
Resolved, That when cold air for
ventilation is introduced into picture
theaters above the breathing zone.
either ~
Il. There will be an insufficient
supply OF air for proper ventilation, or
be uncomfortably cold.
Resolved, That upward ventilation
IN picture theaters is more efficient
than downward ventilation; also it is
more economical from the standpoint of
operation.
Resolved, That in the cooling of mic,
ture theaters in the summer time the
system Of downward ventilation is in
efficient.
Resolved, That air delivered into
picture theaters for ventilation pur-
poses should not be delivered at a tenn
p%erature colder thar 60 degrees Fair.
RESOLVED. That in the breathing
zone the number of colonies of bac-
terra on a standard agar plate should
never exceed is after a five-minute ex-
posture.
Resolved, That the relative humid
| 1tV or the 1ir when hrp,1pht into wiz
ture theaters for ventilation
should not be less thar IS per cent.
Resolved, That the velocity of the
air delivered into picture theaters for
Ventilation purposes shall not be less
than % cubic feet per per
minute. 1t shall be understood that in
determining such quantity the maxi
mum seating capacity shall be consid-
cred as the number of occupants of the
room.
the floor of the aisles and Hobbies Of
picture theaters shout be prohibited.
SchooIrooms
"Resolved, That either the plenum or
vacuum principle is applicable to the
ventilation of school rooms.
Resolved, That in the artificial VEN
%tilation of a school room the air in
lets and outlets should be of such size.
number and location as to insure
equal distribution of air throughout
the room.
Resolved, That the maximum tenn
p%erature for a school room, artifically
heated. should not be more thar 6S
degrees Fahr.
Resolved, That the relative h,,
heated. should not fall below 40 per
cent.
Resolved. That in the present
state of knowledge and practice the
quantity of air supplied to school
rooms for ventilation should not be
less thar 30 cubic feet per pupil per
minute.
Resolved, That efficient air clean
ing devices are desirable in all ven
t1lating installations where the air
supply is liabl to be contaminated by
dust or other Objectionable matter.
ventilated school buildings it is de-
sirable at stated periods to flush all
the school rooms in the building with
fresh air by means of open windows
RESOLVED, hi careful considera,
ton should be given to the sweeping
and cleaning of the school room as af-
fecting it's ventilation.
Resolved, That the temperature of
a school room should be kept as low
as the comfort of it's occupants will
permits; n that the temperature
may be kept down by increasing he
1
Resolved, That @ constant temper
ature and a constant relative humidity
are not conducive to the highest de-
gree of comfort in a school room.
Resolved, That in a school build
ing artificially ventilated and heated
the comfort zone should be established
in order that the engineer may prop
erly operate the heating and ventila-
ting system.
Resolved, That the carbon dioxide
content alone is not always an index
of the contamination of air for VEN
tilating purposes within an en-
closure
Private Property at Sea.
From the Saturday Evening Post