No pole sign as defined by the West Des Moines sign ordinance shall be incorporated into any development within the Maple Grove North PUD. Ground sign standards shall be used for the construction of freestanding signage as set forth within the West Des Moines sign ordinance. All wall signs will be composed of solid individual letters attached to the building fascia, or individual letters of anodized aluminum, galvanized metal, illuminated self-contained with translucent plastic faces set in anodized aluminum returns and trim; panel signs with letters incorporated or painted upon a panel or wall area shall be prohibited. Permanent exposed neon signs shall be prohibited. Advertising or promotional temporary signage attached to exterior windows or walls visible from the exterior of the building shall be prohibited, except as permitted with a temporary sign permit. (Ord. 1273, 10-20-1997)