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mi. <br />1/ i Bonestroo <br />Rosene <br />Anderlik & <br />Associates <br />Engineers & Architects <br />July 29,1997 <br />City of Orono <br />P.O. Box 66 <br />2750 Parkway <br />Crystal Bay, MN 55323-0066 <br />Attn: Mr. Greg Gapp?. <br />Re; Well No. 2 Maintenance <br />BRA File No. 13993 <br />Bontitroo. Rosene. Anderlik end Assoaetes. me. is an Athrmanve Action/equat Opportunity employer <br />Principals Otto G. Bonettroo, PE • Jojepn C. Anderlik. PE. • Marvin L. Sorvala. PE. • <br />Richard E. Turner. PE. • Glenn R. Cook. PE • RoOert G. Schunicht. PE • Jerry A. Bourdon. PE. • <br />Robert W. Roiene. RE. and Susan M. Ebcrlm. C PA.. Senior Consuttanti <br />Associate Principals: Howard A. Sanford. PE. • Keith A. Gordon. PE • Robert R Pfefferle. PE. • <br />Richard W Foster. PE. • David O Loskota. PE. • Robert C. Russck. A.I.A. • Mark A. Hanson. PE. • <br />Michael T. Rauimann. PE. • Ted K.Field. PE. • Kenneth P. Anderson. RE • Mark R. Rolfs. RE. • <br />Sidney R Williamson. RE.. R.S. • Robert F. Kotsmiih <br />Offices: It Paul. Rochester. Wllimar and St Cloud. MN • Milwaukee. Wl <br />> <br />Dear Greg; <br />Enclosed is Request for Payment No. 1 covering the completed work on Well No. 2. The rem^ing work <br />includes repair of existing pump or a new pump with increased capacity. We recommend at parti paymen <br />be made to E.H. Renner & Sons. <br />Also enclosed is the partial test pumping data and the laboratory analysis for sand content, m well wm <br />pumped at rates up to 500 gpm and surged at 500 gpm. The sand sample was taken about 2-3 ^ <br />pump start to obtdn the maximum concentration. The sand content falls off as the pump operates. The 2.3 <br />gpm sand is acceptable for the amount of time the pump generally operates. <br />Attached is a tabulation of estimated consttuction costs for various siad pump^ <br />No. 4" was taken from the original cost estimates provided for the well work. The actual cost for Clean Well <br />and “Well Work” are less than the original estimate. <br />The remaining three columns show the estimated cost of replacing the <br />400 gpm or 500 gpm pump. Estimates for pumps and motors were obtamed from Renner. Electrical cos <br />based on replacing the conduit and wire and a new starter. <br />The contractor noted that the pitiess unit was bent a little, probably <br />come out alright; however, the pitless is 20 years old and may have to be replaced m the ne^ foture. Th <br />estimated construction cost for a new pitless is $5,000. This cost is not included m the tabulation. <br />After you have had a change to review the costs. 1 will be glad to discuss the finishing of the project with you. <br />Yours very truly, <br />BONESTROO. ROSENE. ANDERLIK & ASSOCIATES, INC. <br />Richard W. Foster <br />Enclosures <br />Attachments <br />I i| <br />2335 West Highway 36 ■ St. Paul, MN 55113 ■ 612-636-4600 ■ Fax: 612-636-1311