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ij 'I Bonestroo <br />Rosene <br />Anderlik & <br />1\ I Associates <br />Crc S ’c-vf-^TC -! <br />.c:cs- C c <br />Vi-/ *1 u Sc*^: J <br />5 I <br /><?t- A -S <br />?:*3*5 V/ ^nr <br />3:-;: C J.*;;-r. *2 <br />A <br />Enofncers & Architects <br />September 12,1991 <br />Vif< A. -art-.-. Pi <br />•?: < PS <br />vc-i? T •! <br />P ^S <br />2^/ 3 O L^t^J. <br />.V <^5 <br />VC4C C. '<^r.vi ’’! <br />n v:‘ir3, Ps. <br /><e-fer^ p a-ct:-;.-, •? <br />Vi-c 3 >; <br />C Jwue« ^ a <br />! Ar;^i >§ <br />^•yAj-s A P5 <br />s> #• £»5?*T£". PE <br />Vj < A. 'xa PE <br />j P? <br />i-;e; Vjn.-ex <br />A3:V *£ <br />^;^Il P. A ! A <br />Cry P ^ i-rr. <br />*.Vrc; 4 .t-jcr, PS <br />I, •• **5 C*?.t -T •»£ <br />C •• .A <br />A<.-ei V »r- >1 CP <br />.e'^ 5 Pf-j;.*- P5 <br />i C »<' >1 <br />9 3t&3W P§ <br />ji*y *A/ Pf <br />; A PC <br />*:**t*^ « 'tsa P| <br />CN.^fiA ErcfX'^ <br />•T3 V P-A? IT) <br />Hjfijo M O ‘4A <br />City of Orono <br />Attention: Jeanne Mabusth <br />Box 66 <br />Crystal Bay, MN 5532;13 <br />Re: 139-1676 City Facilities <br />Dear Jeanne: <br />The City of Orono elevated water reservoir is proposed to be constructed east of Old Crystal <br />Bay Road on the north end of the City property. The reservoir could be moved to another <br />location, provided a suitable site can be obtained. The preferred location for the tower <br />would be near Old Crystal Bay Road, either north or south of TH 12. The water system is <br />designed to keep the supply (well) and storage (tower) separated. This gh^es the greatest <br />efficiency in providing fire flow to any area within the distribution system. <br />The proposed elev ’ated tower designs shown on the attached plan provide the most cost <br />effective options. Whenever the designer varies significantly from the options shown, costs <br />increase significantly. (S1.25/gal. to Sl.50/gal) We can develop additional design options if <br />desired by the City. <br />The City has the choice of either elevated or ground storage. The elevated tank would be <br />approximately 145' high and the ground water reservoir would be approximately 60 ’ high. <br />The types of storage selected depends on the desires of the Ciry and the overall system <br />economics. It is desirable to have some elevated storage on any water distributor system. <br />The Orono system will have only one reservoir for a number of years so v/e would <br />recommend that it be elevated. The operation and maintenance cost for the ground water <br />storage system is generally higher than for elevated storage. The booster pumps necessaiy <br />to get the water from the ground reservoir to the distributor system result in increased <br />construction and operation costs. <br />Please contact this office if you have any questions. <br />Yours very truly, <br />BONESTROO, ROSENE, ANDERUK & ASSOCIATES, INC. <br />Glenn R. Cook <br />GRC:lk <br />Attachment <br />ioatu tfniii