Signs in office, light industrial, and institutional districts shall be permitted as set forth in Section 1133.13 and shall conform with the pertinent regulations therein except for the following:
(a) Contents and Uses Permitted. Real estate and development signs, informational signs, directional signs, business signs identifying the building by name or number or both, and bulletin boards for institutional uses, as regulated in residential districts.
(b) Designs Permitted. Flat and wall signs, marquee signs, projecting signs, ground signs and temporary signs. Only one ground sign may be placed on each lot.
(c) Area of Signs. The total area of all permanent signs for each office, store or service building or other use shall not exceed the number of square feet indicated in the following table:
MAXIMUM AREA - ALL SIGNS
FOR OFFICE, LIGHT INDUSTRIAL AND INSTITUTIONAL DISTRICTS
Frontage of Building (in feet)
Maximum Square Feet Permitted
Under 15
30
15 to 19
35
20 to 24
40
25 to 29
45
30 to 34
50
35 to 39
55
40 to 44
57.5
45 to 49
60
50 to 54
62.5
55 to 59
65
60 to 64
67.5
65 to 69
70
70 to 74
71.5
Each additional 5 feet of frontage
or fraction thereof
1.5