This district is designed to accommodate a limited group of business, professional, research and technical manufacturing uses which may have unusual requirements for space, light and air, and the operations of which are clean and quiet. (Ord. 975 § 2 (part), 2002: prior code § 3115.01)

The specific regulations and general rules set forth in Chapter 17.58 apply in all M-L districts. (Ord. 975 § 2 (part), 2002: prior code § 3115.02)

Uses permitted are:

A.    Commercial and professional offices;

B.    The following and similar uses from which noise, smoke, dust, odors and other such offensive features are confined to the premises of each such use:

1.    Research institutes and laboratories,

2.    Small electronic and plastic products manufacturing,

3.    Electrical products and instrument manufacturing,

4.    Bookbinding, printing and lithography,

5.    Cartography,

6.    Editorial and designing,

7.    Garment manufacturing, paper products manufacturing;

C.    Underground utility installations and aboveground utility installations for local service, except that substations, generating plants, and public utility communication buildings, and gas holders must be approved by the planning commission prior to construction and the route of any proposed transmission line shall be discussed with the planning commission prior to acquisition. (Ord. 975 § 2 (part), 2002: prior code § 3115.03)

The lot area requirement is 10,000 square feet. (Ord. 975 § 2 (part), 2002: prior code § 3115.11)

The front yard requirement is 20 feet. (Ord. 975 § 2 (part), 2002: prior code § 3115.12)

The side yards requirement is 20 feet. (Ord. 975 § 2 (part), 2002: prior code § 3115.13)

The rear yard requirement is 20 feet. (Ord. 975 § 2 (part), 2002: prior code § 3115.14)

A.    The general parking requirement for industrial-office parks is 1 space per 500 square feet of floor area for manufacturing areas, 1 space per 2,000 square feet of floor area for storage areas, and 1 space per 250 square feet of gross floor area for offices and accessory retail sales area. In the event that the structure is constructed on speculation, parking shall be provided at the ratio of 1 space per 275 square feet of gross floor area.

B.    Other industrial space requirements are set forth in Section 17.57.070; loading requirements are in Section 17.57.060. Refer to Chapter 17.57 for other general requirements for parking. (Ord. 975 § 2 (part), 2002: Ord. 509 § 19, 1983: prior code § 3115.15)

Building height limit is 2 stories, but not to exceed 40 feet. (Ord. 975 § 2 (part), 2002: prior code § 3115.17)

Uses requiring use permits are:

1.    Eating establishments such as cafes or delicatessens.

2.    Accessory uses incidental to the permitted uses in the zone as deemed appropriate by the planning commission.

3.    Emergency shelters in accordance with Chapter 17.108.

4.    Canine kennels for boarding and training.

5.    Veterinarian hospitals. (Ord. 1186 § 2, 2013: Ord. 975 § 2 (part), 2002: Ord. 554 § 1, 1985)

Unless a building permit has been issued for the development within 1 year after the granting of the planned development permit or such further time as the commission shall allow, then without further action the planned development permit shall be null and void. (Ord. 975 § 2 (part), 2002)