The Manitowoc pilot. [volume] (Manitowoc, Wis.) 1859-1932, 1918-02-07
EDUCATIONAL,
(By j. w. Voboril)
CONTINUED from last week.
REQUIRE VI ENTS FOR THE
DIFFERENT SYSTEMS.

square feet of direct radiation for a
standard schoolroom 32x23xl2 feet, and
such additional radiation as may be
necessary to care for the cloakrooms
and entryways, in accordance with the
requirements OF the general provisions.
b. Provide cold air intake with a
cross section area equal to 1850 of the
area Of the rooms to he heated.
C. Provide a hot air fue for con.
veying the heated air from the steam
coils to the schoolroom, having cross
section area equal to 1900 of the floor
area of the rooms to be heated.
d. Provide a foul air vent flue equal
in area to l-200 of the floor area of the
rooms to be heated.
e. Provide for heating the air in the
foul air vent Hue.
t. A system in which the fresh air
is admitted directly into the class
rooms at the radiator, is not permissi-
BILE.
=. Basement Furnace.
a. Mute requirements for the loca-
tion of the furnace and recommenda-
tion for a fresh air room.
b. Provide one square foot of CRATE
area for every 2500 cubic feet of the
schoolroom.
C. Provide one square foot of CRATE
area for each $500 cubic feet OF cloak
rooms and entryways.
d. Provide for each square foot Of
crate area at least thirty square feet of
radiating surface in the furnace.
e. Provide a fresh cir intake flue
having a cross section area equal to
1850 of the combined floor area OF the
rooms TO be heated.
(. The combined area of the fue, or
Gues, for conveying the heated air
from the furnace should have cross
section area equal to 200 OF the COM
bined floor area of the rooms to be
heated. The main hot air Aue should
open into the schoolroom at point
7 to u feet above the schoolroom floor.
| The flues for the SO o.called foot warm
ers" should enter the room on level
with the sch0olroom floor and should
be placed in the side wall.
e. The smoke flue should be located
in the center Of the vent lue and should
have diameter of from inches to 10
inches. The smoke fue should be
made Of cast iron sewer pipe, or good
quality of clay soil pipe, or of Number
10 gauge steel. The vent flue must
have a net area exclusive of the cen
tral smoke 1ue, equal to 1850 of the
combined floor area of the rooms to be
heated.
3. Jacketed Stove Floor System.
n. A room heater for a standard
schoolroom 23x32xl2 feet should have
CRATE with diameter of at least / I
inches or its equivalent. Larger or
smaller heaters should be provided to
correspond with the size of the rooms
to be heated
b. The shield or jackets must be
placed not less than inches from the
stove, and must be raised above the
floor at least inches. The shield
must be lined and insulated.
C. A fresh air intake must be pro-
vided, having a cross-section area OF at
least 225 square inches. Provision
should be made for preventing the
fresh air after entering the jacket and
before being warmed from dropping
down and spreading out over the schoo
room floor. The fresh air intake pipe
should be as short as possible.
| d. The vent ilue should be built
from the ground and should extend
above the ridge OF the schoolhouse. 1t
ahould have an inside measurement of
at least 256 square inches. The smoke
Aue should be placed In the center OF
the vent ilue and should be constructed
Of inch cast iron sewer pipe, l6
gauge steel, or q good quality OF soil
pipe. The smoke lue should be sub
stantially constructed and should be
firmly braced in the center OF the vent
nue.
O. The heater must be located on
the same side OF the room as the foul
air vent nue, and must be near 1t.
T. A chimney built on brackets il
not permissible. 1t must In all cases
extend to the ground. A clean.out to
the vent and smoke fues should be pro.
vided.
!, e. The lower edge OF the opening
to the vent ilue must be on level with
the noor The opening should be al
least lG inches 20 inches. The vent
fue should be cut of at the level OF the
schoolrUom floor. In such case, nc
register or grating is necessary. II 8
register is used over the vent flut
opening, it should be SO constructed
that it offers the least obstruction pos
sible TO the air that passes out of th,
room.
h. Double Aue chimneys having ont
iiue for smoke and one for foul air ar,
not permissible.
/. A water pan with capacity o
not less than 20 quarts and an eVapora
ting surface OF 200 or more squar,
inches must be provided. 1t Is recon