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� w Hennepin County Human Services Department • Public Health Protection Epidemiology:(612)-543-5230 Epidemiology and Environmental Health Environmental Health:(612)-543-5200 1011 South First Street,Suite 215 FAX:(952)-351-5222 Hopkins,MN 55343-9413 www.co.hennepin.mn.us July 13, 2010 Chad Rettke, Senior Project Manager RECEIVED Kraus-Anderson Construction Company JUL 15 2010 8625 Rendova Street N.E. CITYOF P.O. Box 158 ORONO Circle Pines, MN 55014 XXX APPROVED Re: Orono High School Exhaust Hood Dear Mr. Rettke: The submitted plans and specifications appear to be in general conformity with the standards of Hennepin County Ordinance Number 3 and Minnesota Rules, Chapter 4626. These plans are now approved. Although this plan has been approved, the following items listed below need to be addressed prior to completion of the project: Equipment 1. Ensure that there are stainless steel trim pieces added as the four hoods are placed together to close any gaps between hood sections. Additional sealing with caulk may be needed if these are not tight fitting to prevent the collection of debris. 2. All equipment producing heat, steam, grease and/or vapors must be located sufficiently underneath the hood to provide a minimum of a six inch overhang extending beyond the front edge of the equipment to the interior edge of the hood. Room Finishes 3. The half wall between cooking lines under the hood must have material finishes that are smooth, cleanable, durable, such as ceramic tile, stainless steel, etc. Any grout lines must have a penetrating seal. The base of the half wall should have a curved mopping radius at the floor. What materials are proposed? 4. Ceiling tiles must be smooth, cleanable, nonabsorbent, and light-colored. Fissured, perforated or rough acoustical tile is not permitted. Ensure that any modifications to the current ceiling tiles meet these criteria. An Equal Opportunity Employer Recycled Paper