This section is from the book "The Building Trades Pocketbook", by International Correspondence Schools. Also available from Amazon: Building Trades Pocketbook: a Handy Manual of reference on Building Construction.
In figuring the floor area it is usual to allow from 5 to 7 sq. ft. for each person. This includes space occupied by passages, pulpit, etc. Width between pews, back to back, from 30 to 34 in. Length of seat allowed for adults, from 18to 24 in.; for children, from 14 to 16in.; height of seat, 18 in.; width, from 13 to 15 in.
Width, from 16 to 24 ft. Height of level ceiling, 12 ft.; if floor area exceeds 360 sq. ft., 13 ft.; and if over 600 sq. ft., 14 ft. In one-story structures, where ceiling can be raised to tie-beams, the height to wall plate may be 11 ft., and to tie-beams 14 ft. Height of window sills from floor, 4 ft. Length allowed for seats of junior classes, from 14 to 18 in.; for senior classes, from 20 to 24 in. Distance apart for desks, back to back, 30 in.
Height 2, width 3, length 5 or 6; or add height of platform to height of speaker, and half the width of the room for the height.
Width for building with one row of stalls, 18 ft., occupied as follows: Hay rack, 2 ft.; length of horse, 8 ft.; for harness hanging against wall, 2 ft.; gutter, 1 ft.; and passageway, 5 ft. Height from floor to ceiling, from 12 to 16 ft. Width of stalls, from 5 ft. 9 in. to 6 ft. Loose boxes should be equal to at least two stalls. Stable doors, 4 ft. wide X 8 ft. high. Coach-house doors, from 7 to 8 ft. wide and 10 ft. high. Where practicable dispense with ceiling and place ventilator over each horse's head. Corn bins should be lined with galvanized sheet iron. Glazed brick make bright and healthful walls; desirable tints are buff, cream, light green, and French gray. Paving should be of concrete or clinker brick. Stalls should have a fall of 4 in. toward gutter. Harness room should be isolated from the stable, and is usually placed between the stable and coach house.