7.5. SR 11-20-1995 - Laserfiche WebLink

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Page 2 • The reason this request involves a conditional use permit is due to the fact that the equipment (i.e. printing press) used in the business is not a typical piece of equipment which is normally found in a home or office setting. The applicant is also requesting a 4 foot by 4 foot free - standing sign near Elk Lake Road in order to notify delivery vehicles and venders of the business location. The free - standing sign would also trigger a conditional use permit for home occupation, since typical home occupation signage requires that it be attached to the principal building. Printing Solutions One of the primary concerns that was discussed by the Planning Commission is the type of material or solutions that Mr. Books uses as part of his business. Specifically the developer and fixer solutions were the greatest concerns. To further examine the use of these materials and solutions the city has contacted John Lichter of B.A. Liesch & Associates to assist in reviewing the material safety data sheets that have been provided for each of the solutions used in Mr. Book's business. The material safety data sheets have indicated that the materials used in Mr. Books business can safely be sewered into the city's wastewater treatment plant. However, these solutions should not be disposed of in a • private septic system. Mr. Books currently resides in a rural area and utilizes a septic system for his wastewater needs. Therefore, disposing of this solution would need to occur off site at an approved location. The attached letters from John Lichter further explain his review regarding the material safety data sheets. The most important point in John Lichter's review relates to the press wash used within Mr. Book's business. This press wash has a flash point of 105° F which maybe considered a hazardous waste due to the flash point level being less than 140 °F. In addition, Mr. Lichter points out that given the solutions used a hazardous waste generators license would be required. The mention of hazardous waste raises concerns by staff. It is very clear in the city's home occupation ordinance that home occupations which involve the use of hazardous materials or activities are clearly prohibited. In addition, mention is also made in that section of the ordinance regarding fire hazard or safety hazards to surrounding residents. There is also reference made to the sensitivity to environmental features including lakes, surface and underground water supply which could be affected if the solutions are disposed of improperly. s /planning /pc /cu95 -20