HomeMy WebLinkAboutPropsed sewer plan Otto G.Bonestroo,P.E. Howard A.Sanford,P.E. Agnes M.Ring.A.I.C.P. Miles B.Jensen.P.E.
Bonestroo Robert W Rosen.PE' Keith A.Gordon.P.E. Philip J.Pyne,P.E. L.Phillip Gravel,P.E.
Joseph C.Anderlik.P.E. Robert R.PfeRerle,P.E. Thomas W Peterson,P.E. Karen L.Wiemed,P.E.
Rosen Marvin L.Sorvala,P.E. Richard W Foster,P.E. Michael C.Lynch.P.E. Gary D.Kristolltz,P.E.
Richard E.Turner,P.E. David O.Loskota.P.E. James R.Maland,P.E. F Todd Foster P.E.
Glenn R.
ert C,Russek,A.I.A. Jerry
.Pertzsch,RE. Keith R.
Anderlik & Thomas E.Noyes.RE. JerrJerry A.Bourdon.RE. Scott D gaanek,P.E. Douglas J.Benoit,P.E.
Robert G.Schunicht.P.E. Mark A.Hanson.P.E. Kenneth P.Anderson,P.E. Shawn D.Gustafson.P.E.
Associates Susan M.Ebedin,C.P.A. Michael T.Rautmann.P.E. Mark R.Rolls.PE. Cecilio Olivier.P.E.
*Senior Consultant Ted K.FW.P.E. Mark A.Seip,PE. Paul G.Heuer,P.E.
Thomas R.Anderson,A.I.A. Gary W Morien,P.E. John P Gorder.P.E.
Engineers & Architects Donald C.Burgardt,PE. Daniel J.Edgerton,P.E. Charles A.Erickson
Thomas E.Angus.PE. A.Rick Schmidt,P.E. Leo M.Pawelsky
Ismael Martinez.P.E. Philip J.Caswell,P.E. Harlan M.Olson
October 13, 1993 Michael P Rau.PE. Mark D.Wallis,P.E. James F Engelhardt
Mr. Lyle Oman, Building Official
City of Orono
Post Office Box 66
Crystal Bay, Minnesota 55323
Re: D. Brian Fulmer Sewer Plan
File No. 139Gen
Dear Lyle,
We have reviewed the proposed sewer plan submitted for the D. Brian Fulmer property
located at the southeast corner of U.S. Highway No. 12 and the Burlington Northern
Railroad, in the Northeast Quarter of Section 32. We would recommend the following
modifications.
The pump should be designed for a Total Design Head (TDH) of 115 feet. This allows
for the static head when MWCC's Maple Plain Lift Station is pumping (1079 - 967 =
112 feet) and approximately 3 feet of head losses due to the 2" forcemain, check valve
and gate valve. The developer's engineer should check with the pump manufacturer
(Aurora/Hydromatic Pumps, Inc.) to determine of the motor will be overloaded if it is
pumping against a lesser head. For example, if the MWCC station is pumping at 1150
GPM or if it is not operating. The proposed lift station wet well depth should be a
minimum of 2' below the inlet pipe and 3' below the discharge pipe as shown on the
enclosed manufacturer's detail. The developer's engineer should check with the MWCC
regarding their tap connection requirements and should complete an "Application and
Permit for Connection to, or use of, Metropolitan Waste Control Commission Facilities".
Please contact me at this office if you have any questions regarding this matter.
Yours very truly,
BONESTROO, ROSENE, ANDERLIK & ASSOCIATES, INC.
Shawn D. Gustafson, P.E.
cc: Ms. Jeanne A. Mabusth,
Building and Zoning Administrator
Enclosure
2335 West Highway 36 • St. Paul, MN 55113 • 612-636-4600
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