"Planned industrial park" or "organized industrial district" means an industrial subdivision developed according to a comprehensive site plan to provide serviced sites for manufacturing plants, distribution warehouses and similar uses. Adequate control of the tract and buildings shall be provided in order to maintain esthetic values and to protect the investments of developers of the park, of the occupying industries, of neighboring developments and of the community as a whole.
(`78 Code, § 17.04.486.)