1.

All approaches, roads and sight triangles shall meet the Standards for Design and Construction of Roads in Un-Incorporated Columbia County guidelines as approved by the County Engineer.

2.

C-1 zone:

a.

The minimum lot size of this zone shall be one-half acre when a public water supply and public sewer facility is used, except that motels, hotels, and planned area developments shall meet the following requirements: 9,200 square feet shall be required for three-dwelling-unit buildings. Each additional unit shall require an additional 1,000 square feet.

b.

When use of a private water supply and/or private sewage system is contemplated, the minimum lot size in this zone shall be as deemed appropriate by the Columbia County health department in accordance with Chapter 246-272A WAC or any other applicable regulation.

3.

L-I zone:

a.

A use which creates a nuisance because of noise, smoke, odor, dust, gas, or water pollution is prohibited.

b.

Materials shall be stored and the ground shall be maintained in a manner which will not attract or aid the propagation of insects or rodents or otherwise create a health or fire hazard.

c.

Landscaping. There shall be a 10-foot landscaped buffer adjacent to public roads and 20 feet adjacent to residentially zoned property. Minimum five-foot-wide landscaped planters shall separate buildings and other structures from parking and driveways.

d.

Service, manufacturing, assembly, fabrication, processing and storage activities, except as permitted as an accessory use or by approval of a CUP or PUD, shall be wholly within an enclosed building or where permitted screened from view, except from abutting industrial property, by a permanently maintained sight-obscuring fence at least six feet high. Barbed or razor wire shall not be permitted where abutting residential or commercial zones and must be specifically approved for use where visible from a public right-of-way.

e.

Points of access from a public street to properties in an LI-1 zone shall be so located as to minimize traffic hazards in areas of high traffic and be well lighted and defined by a landscaped planter.

f.

Building entrances or other openings adjacent to or across the street from an agricultural-residential zone shall be prohibited if they cause glare, excessive noise, or otherwise adversely affect land uses in the AR zone. All exterior lighting shall be designed to keep light and glare on site.

g.

A public water and waste water system shall be utilized where available and allowed, otherwise systems meeting state health and DOE requirements are required. In UGAs nonpublic systems shall be designed to allow future connection to public infrastructure.

h.

The site shall be designed to deliver stormwater to an approved public system or maintain all stormwater generated on site in conformance with state of Washington stormwater management standards.

4.

H-I zone:

a.

All buildings housing manufacturing processes or industrial uses shall be located at least 200 feet from the nearest zone classified other than industrial, and all other buildings or structures shall be at least 100 feet from a nonindustrial zone.

b.

All minimum setback requirements shall be increased one foot for each one foot that the building or structure exceeds 45 feet in height.