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<br />Police Department BuildIng <br /> <br />My inspection of the Police Department Building indicated no remarkable deficiencies. Conditions that <br />warrant further attention Include: <br /> <br />. At the time of inspection, the lower two to three feet of perimeter walls are covered with <br />snow. In some cases, snow depths are above window sills. Although the brick veneer <br />contains provisions for drainage, brick Is still highly porous and will absorb significant <br />levels of moisture. This observed conditions will result in high moisture burdens at <br />perimeter walls. <br /> <br />. Ceiling tile at the south corridor exhibits water stains attributed to condensate leaks from <br />HVAC system. <br /> <br />. Exposed concrete blocks at rear walls of the main and lower .Ievels exhibit efflorescence. <br />The concrete blocks contain no coatings or other interior finished materials. Evidence of <br />fungal contamination was not observed. <br /> <br />. Peeling paint and delaminated drywall occurs at the perimeter wall of Room U. <br /> <br />Conclusions & Recommendations <br /> <br />This investigation has revealed several conditions that indicate a moderate to high likelihood of fungal <br />contamination at walls and ceilings of the City Hall Building. Visible damages are very sporadic; <br />however, contamination may be more widespread behind concealed surfaces. If present, such <br />contamination may still pose elevated risks to building occupants. A more complete assessment of <br />health risks cannot be made without further evaluation of suspected amplification sources. I <br />recommend further investigation to determine the extent of contamination at above~grade walls. <br />These irlvestigations should involve Invasive inspection of perimeter wall cavities (i.e. removal of <br />gypsum wall board cut~outs). <br /> <br />A comprehensive remediation plan cannot be made without first reSOlving the extent of contamination <br />within perimeter walls. <br /> <br />Thank you for choosing Built Environments for this investigation. If you have any questions, please <br />contact me at 651~330~9329 or by em ail atsdoggett@built-environments.com. <br /> <br />Sincerely, <br /> <br />M. ~~ D'1{~ <br /> <br />M. Steven Doggett, Ph.D. <br />Principal Scientist <br /> <br />Built Environments. Inc. <br /> <br />Investigation Summary <br /> <br />Minnesota Renaissance School <br /> <br />Page 3 of 3 <br /> <br />-4- <br />