§ 17.38.090. Zoning board of appeals review.

A.

All proposed uses shall be reviewed and approved by the zoning board of appeals prior to the issue of any building permits to assure compliance with all provisions of this section.

B.

Noise and Shock. Any machines, presses, breaks, forges, hammers and similar constructions shall be placed on suitable shock absorbing mountings and on suitable, reinforced concrete footings; shall be muffled so as not to become objectionable due to intermittence, beat frequency or shrillness; shall not be loaded beyond capacity as prescribed by the manufacturer.

C.

Glare and Heat. Any processes emitting glare and heat shall be performed so as not to be seen from any point beyond the outside of the property.

D.

Smoke and Dirt. Smoke and dirt shall not exceed 0.3 grains per cubic foot of flue gas at stack temperature of 500E Fahrenheit, nor shall smoke emitted to atmosphere be more dense than Ringlemann No. 1 for periods aggregating four minutes in any thirty minutes.

E.

Odor and Gases. The emission of obnoxious odors of any kind shall not be permitted nor shall any gas be emitted which is deleterious to the public health, safety or general welfare.

F.

Fire and Safety Hazards.

1.

All tanks providing storage of flammable liquids above ground shall be located twenty-five feet from property lines and twenty-five feet from the nearest occupied structure. All tanks providing storage of flammable liquids below ground shall be located not closer to the property line than the greatest depth to the bottom of the buried tank.

2.

The storage of rags, wastepaper or similar products of combustible nature, when enclosed in a building shall be enclosed in a building of "four hours' construction," no part of which may be located closer than one hundred feet from any property line.

G.

Open Storage for Junk, Auto Wrecking Yards and Other Waste Products. All such storage shall be enclosed within a tight, un-pierced fence not less than six feet in height made of materials similar to or architecturally compatible with the construction materials of the principal building and subject to yard requirements for accessory buildings listed in Section 17.38.080, and a roadway shall be provided, graded, surfaced, and maintained from the street to the rear of the storage area to permit free access of fire trucks at any time.

H.

Open Storage Other than Junk. All such storage shall be enclosed within a tight, un-pierced fence made of materials similar to or architecturally compatible with the construction materials of the principal building and not less than six feet in height, or enclosed within a green belt planting strip not less than six feet in width, and not less than six feet in height, to normally screen view of stock piles from any outside street; all fences subject to yard requirements of accessory buildings listed in Section 17.38.080. The storage of lumber, coal or other combustible materials shall be provided with a roadway, graded, surfaced and maintained from the street to the rear of the storage area to permit free access of fire trucks at any time.

I.

Sewage Waste. No wastes shall be discharged in the public sewer system which are dangerous to the public health and safety. Acidity or alkalinity shall be neutralized to a pH of 7.0 as a daily average on a volumetric basis, with a temporary variation of pH 5.0 to 10.0. Wastes shall contain no cyanides and no halogens, and shall contain not more than ten ppm of the following gases: hydrogen sulphide, sulphur dioxide and nitrous oxide. Wastes shall not contain any insoluble substance in excess of ten thousand ppm or exceed a daily average of five hundred ppm or fail to pass a No. 8 Standard Sieve, or have a dimension greater than one-half inch. Wastes shall not have a chlorine demand greater than fifteen ppm. Wastes shall not contain phenols in excess of .005 ppm. Wastes shall not contain any grease or oil or any oily substance in excess of one hundred ppm or exceed a daily average of twenty-five ppm.

J.

Mining of Sand and Gravel. Nothing in this chapter shall be construed to prohibit the mining of sand and gravel in property zoned District No. 10, heavy industrial district. However, any such activity shall be conducted only under a special use permit granted under the provisions of this chapter and upon compliance with conditions set forth in that special use permit that adequately address, including but not limited to, noise, hours of operation, dust, impact on surrounding properties (including those properties not within a District No. 10 zoning classification), traffic concerns, road improvements and economic benefit to the city.

(Ord. No. 2008-24, § 1, 12-15-2008; Ord. No. 2010-22, § 1, 1-5-2011)