Book Description

Forced and natural ventilation tests performed on a partially below grade fallout shelter in Milwaukee, Wisconsin, during the month of August 1963 revealed that 6.1 cubic feet per minute per occupant of ambient ventilating air would be necessary on a typical warm summer day (Milwaukee 5% Summer Design) to maintain this shelter at a survivable 85 deg.F. effective temperature. The shelter as tested (during cool summer weather) required 4.7 cfm per occupant; this result was analytically corrected to obtain the warm summer day ventilation requirement. Similar forced ventilation tests were performed using typical hot, moderately humid air as would be expected in the south central part of the country. When corrected to these design conditions, a ventilation rate of 13.1 cfm per occupant would be needed to maintain 85 deg. F. effective temperature in the shelter.