The Manitowoc pilot. [volume] (Manitowoc, Wis.) 1859-1932, 1918-01-31


1. Any heating and ventilating sys-
tenn that has been in operation and is
now in good condition will be accepted
il an anomometer test shows that 1t de-
livers not less than fifteen cubic feet
Of fresh air, heated to the proper tenn
perature, per pupil per minute for the
maximum enrolment.
2. Easements and basement furnaces
for schoolhouses are recommended in
all cases of new construction. Where
ever school boards deem it impractic-
able or impossible to provide base
ment and basement heater for new
school building, they should correspond
with the Superintendent of Public In
struction before starting the construc-
tion of the building. The situation
should be fully explained and reasons
given for not complying with this re-
communication. Failure on the part OF
school boards 10 meet this requirement
will jeopardize certain special state aid.
2. The heating plant should be loca-
ted at or near the north side of the
basement.
q. The heating plants installed in
any schoolhouse must be capable of
heating the air in the classrooms to 10
degrees when the temperature outside
the building is 20 degrees below zero.
The air in the cloakrooms and hall
ways should be maintained at a tenn
perature of go degrees to 65 degrees.
5. Cloakrooms and Railways must be
heated and ventilated.
6. No system will be considered sat.
isfactory unless provision is made for
furnishing moisture To the air that is
delivered to the room.
7. Under no circumstances will re-.
gisters, either for fresh air or foul air,
be permitted in the floor OF the school
building.
8. The main lues for the admission
of warm fresh air should enter the
room at from seven to eight feet from
the floor line.
8. The openings for foul air vent
flues should be located on the same side
OF the school building as the heated air
intakes. The lower edge of the foul
air opening should be flush with the
school room floor. Vent fues for the
building may be placed in cloakrooms
provided they comply with the require
ments that they must be on the same
side of the building as the warm fresh
air ducts.
10. A return air fue may be install
ed, if placed in the side wall and pro.
vided with damper. Foul air return
flues must be closed during the time
the school is in session.
IL, There must be provision for heat.
ing the air in the vent Aues through
which the foul air is removed from the
building. All vent Hues must lead d.
rectly through the roof or to the vent.
lator, if several Aues are to be com.
bned. Vent flues must not open into
the attic.
II. Provision may be made for the
so.called 'foot warmers" provided
they are placed in the side wall.
l3. Openings to hues covered by re-
gisters or gratings must be of size to
permit OF the full working capacity OF
the lue.
Ia, All air to be warmed must be
taken from outside the building. 1t is
recommended that a fresh air room be
provided, and that the fresh air lues
lead from this room to the furnace, or
to the steam coils, The fresh air room
should be located in one corner Of the
building, to the end that two outdoor
openings may be provided, ,-one on
each OF two sides Of the building.
Is. Provision must be made for sup
plying moisture TO the air. A water
pan or pans with capacity of from 20
to 40 quarts must be provided. The
water pan must be placed where it will
he warmed, TO the end that evaporation
may be rapid. There should be as large
an exposure OF water surface in the
evaporating pan as possible.
16. The smoke flue should be located
in the center OF the foul air vent nue
1t should have diameter of from to
10 inches, depending on the size OF the
plant, and should be constructed OF cast
iron sewer pipe, l6 gauge STEEL or of
good quality soil pipe. The central
smoke nue must be carefully built and
properly stayed to the side walls Of the
vent llue. 1t should extend from to
s inches above the vent hue. The So
called double nue" chimneys are not
permissible.
II. The vent nue should extend above
the top Of the roof OF the building, and
should have the same inside dimensions
throughout its length. The vent ilue
should be cut Off at the floor line of the
schoolroom, but damper may be pro-
vided. When SO cut off register or
grating is not necessary.
lS. Avoid sharp angles In the con-
struction OF all air passages.
10. The ventilating system must be
In operation to the full capacity in
school hours and at least thirty minutes
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