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�'�-;'� � <br />� ..�ti <br />� <br />� <br />STEVENS <br />August 4,2006 E N G I N E E R S <br />Mr. Lonnie Brokke, C.P.�.P <br />Director of Parks and Recreation <br />2661 Civic Center Drive <br />Roseville, Minnesota 55113 <br />Re: Proposal for Professional Engineering Services (REVISED 8-29-06) <br />Roseville Skating Center Ice Arena - Ice Rink Floor and Equipment Replacement <br />Dear Mr. Brokke: <br />Stevens Engineers, Inc. (S�l) is pleased to present this proposal to the City of Roseville to <br />provide professional engineering services for the proposed Ice Fbr�k Floor and Equipmen� <br />Replacement at the Skating Center. Vue have the necessary experience in designing <br />refrigeration systems and ice sy� forice nnk facilitiesto successfullycomplete ihis project <br />for fhe City of Roseville. <br />We have been involved in at least five projects, in the past three years, which were nearly <br />identical in scope of work as this project. We are very familiarwith the Ho[m��er� F�k Master <br />direct refrigeration and floor systems. <br />PROJECT UNDERSTANDING <br />The City of Roseville isseeking an engineering firm to perform a review of the existing di-ect <br />refrigeration ice system, recommend, and design improvementsand/or replacement of the <br />existing ice rink floor, refrigeration system, and other necessary mechanical room <br />improvementsthat are required to bring the room into compliance with the currentcodes. <br />S�4 performed an evaluation of the ice system at Skating Center's ice arena in the fall of <br />2005 and summarized the findings and recommendations in a final draft of the report on <br />March 26,2006. <br />The original indirect refrigerationsystem was installed with the construction of the building in <br />1969. It was renovated and converted to a direct system by Hofmster� Fbnk Mas�erSystem in <br />1979-1980. The compressors are original and over 36 years. Parts are still available but <br />expensive. The majority of the other refrigeration components (i.e. low pressure receiver, <br />pumper drums, and waste heat system] are over 25 years old and have reached their <br />expected life. The rink currently operates year round. <br />The system is in need of repair or replacement in order to serve the facility reliably, safely, <br />and at its full capacity. There are two main options for improving the existing refrigeration <br />system included in the evaluation report. At this time, the City has budged forreplacement <br />