. School buildings, school grounds, and their improvement. Kansas, 1911. A GOOD PLAN OF HEATING AND VENTILATING. The register should be at least 24 x 24 inches and the foul-airshaft proportionately large. The standard for schoolroom ventilation is 30 cubic feet of air perminute per pupil, or 1800 cubic feet per hour per pupil. In the improved system doors and windows are not used as a means ofventilation. The plan under the old system of ventilating by which aboard is placed under the lower sash where window ventilation must beused, is not effective, as it provides an exit but no entrance for
. School buildings, school grounds, and their improvement. Kansas, 1911. A GOOD PLAN OF HEATING AND VENTILATING. The register should be at least 24 x 24 inches and the foul-airshaft proportionately large. The standard for schoolroom ventilation is 30 cubic feet of air perminute per pupil, or 1800 cubic feet per hour per pupil. In the improved system doors and windows are not used as a means ofventilation. The plan under the old system of ventilating by which aboard is placed under the lower sash where window ventilation must beused, is not effective, as it provides an exit but no entrance for fresh in this case should be secured by raising the lower sashes ofa number of windows. No sash should be high enough to produce adraught. Excepting for summer ventilation the top sash should not belowered, as the top air is somewhat purer than the lower air, and it ispoor economy to heat air and send it immediately out of the room beforeit has been used for heating purposes. School Buildings and Grounds. 49. A vertical section of an Improved heating system. The cold-air Intake Is shown onthe left and the foul-air ventilating tube on the right. -4 50 State Superintendent of Public Instruction.
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Keywords: ., book, bookcentury1900, bookdecade1910, booksubjectschoolbuildings
