Masonry Magazine January 1967 Page. 67
Air Conditioned Arkansas School
Terry Elementary School in Little Rock, Ark., designed by Cowling and Roark, architects and engineers, is the first elementary school in the city to be air conditioned, and one of the first in the state. Its construction is of special interest because it embodies criteria developed for elementary schools by a panel of seven architects selected by the local school board.
To double the insulation value of the walls, the block cores are insulated with water-repellent vermiculite masonry fill. This provides a "U" value of 0.16. Glass expanse was kept to a minimum.
The school board's panel of architects listed air conditioning as essential because the school year is gradually being lengthened and may eventually extend to twelve months. Summer temperatures in Little Rock soar to 105°, so for the past three years all of the city's new junior and senior high schools have been air conditiond.
Realistic sound barriers between spaces were another prerequisite listed by the panel. At Terry, the partitions are exposed and painted concrete blocks. Again, the cores are filled with vermiculite, in this case to reduce sound transmission, rather than heat loss. The vermiculite reduced noise by 31 per cent, and gave the partitions a rating of 48 decibels. A sound transmission class of 40 to 50 decibels is regarded as very good by acoustical engineers.
Cowling and Roark hold that a school designed for air conditioning need cost little more than one that is not air conditioned. Primarily, this means a compact floor plan and fewer perimeter walls. Terry School cost $342,552.84, or just under $12 per sq. ft. This includes fees, $17,000 for site work, $24,000 for stainless steel kitchen equipment, the heating and air-conditioning equipment, much built-in cabinet work, and the asphaltic concrete parking area for 50 cars with its drives, curbs, and gutters.
Jack Bolander, Partner
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