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     City of Canyonville                                                   

250 N Main, Canyonville, OR 97417
                               
         541-839-4258 or 541-839-4020
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CANYONVILLE PLANNING COMMISSION
MINUTES

REGULAR SESSION

April 10, 2013


I.                          Call to Order and Pledge of Allegiance:

Commissioner Emory called the meeting to order at 7:00 p.m. and all joined in the Pledge of Allegiance.

 

II.              Roll Call:

COMMISSION PRESENT:    Chairman Emory, Commissioners Weigel, Boye, Ravera, Butler and Hill.

COMMISSION ABSENT:      Commissioners Sales was absent.

STAFF PRESENT:                 Administrator/Recorder Evans

STAFF ABSENT:                   None.

 

IV.             Agenda Review/Additions:

            None

 

V.              Approval of Minutes –

1.     Regular Session/ 2-12-13

Commissioner Hill moved, Commissioner Butler seconded a motion to approve the minutes of the 2—12-13 Regular Session meeting as written.  All voted “yes”.  The motion carried.

 

VI.             Public Hearings:

1.   Flood Plain Development Permit, City of Canyonville WWTP, 1052 Hamlin Drive, Canyonville.

 

*    Chairman Emory asked if any Commissioner wished to disqualify his or herself for any

      conflict of interest in this matter or report any ex-parte contacts.

1.     There were none.

 

*    Chairman Emory opened the Public Hearing on the application for a Flood Plain Development Permit to expand the Wastewater Treatment Plant onto the property located at 1052 Hamlin Drive.

 

*    Chairman Emory called for the staff report:

      1.   Administrator/Recorder Evans read the hearings disclosure statement.

2.   Administrator/Recorder Evans referenced the following Staff Report:  

                      

According to the Canyonville Municipal Code Section 15.160.040 a development permit is required for any construction with the floodplain.  The purpose of the permit is to make sure that all the requirements for developing within a floodplain are met.  In most cities this is a staff review since it is just a matter of checking off the regulations.  However, the City’s code has delegated this authority to the Planning Commission.

 

The following is a list of the regulations for construction in the floodplain and how each regulation will be met.

 

Criteria 1:  A development permit must be obtained before construction or development begins.

 

1a.       The City of Canyonville submitted a floodplain development permit application on March 5, 2013 for Planning Commission review and approval. The proposed construction is for a new head works and influent pump station.

 

Criteria 2:  All new construction and substantial improvements shall be anchored to prevent flotation, collapse or lateral movement of structures.

 

2a.       All new construction will be below grade and surrounded with a concrete wall that extend 2.1 feet (697.75 elevation) above the 100 year floodplain (695.65 elevation)  and 1 inch above the 500 year floodplain.  The concrete walls will protect the equipment in the event of a flood and prohibit any flotation or movement of the equipment. 

 

Criteria 3:  New and replacement sanitary sewage systems shall be designed to minimize or eliminate infiltration of floodwaters into the systems and discharge from the systems into floodwater.

 

3a.       The concrete walls will extend above the flood stage for both the 100 and 500 year flood stage which will prevent the infiltration of floodwaters and the discharge of any wastewater into the floodwaters.

 

Criteria 4:  New construction and substantial improvement of any commercial, industrial or other nonresidential structure shall either have the lowest floor, including basement, elevated to the level of the base flood elevation or together with attendant utility and sanitary facilities shall be flood proofed, resist hydrostatic and hydrodynamic loads and effect of buoyancy and be certified by a registered engineer that the design and methods of construction are in accordance with accepted standards.

 

4a.       The applicant has submitted a flood proofing certificate which certifies:  

·       the surrounding walls are water tight and substantially impermeable to the passage of water.

·       The engineers have performed buoyancy calculations on the headworks/pump station structures and they exceed the buoyancy factor by 47% assuming the water table is to the surface.  The resistance includes the weight of the concrete and soil.

 

4b.       Dyer Partnership completed a floodplain analysis to determine the impact of the new construction on the flood waters of the South Umpqua River and Canyon Creek.  The analysis revealed that the 100 year flood plain elevation of Canyon Creek will be raised 0.74 feet due to the new construction.  A survey was conducted to verify no existing buildings would be affected by the increase.  The new construction will have no impact on the South Umpqua River.

 

Administrator Evans proposed that an addition finding be added to the staff report as finding 42 which

states:

 

            The applicant has submitted a flood proofing certificate which certifies all structures will be flood proofed to 1 foot above the 100 year flood elevation.

 

There were no additional questions for staff.

 

*    Chairman Emory asked if anyone in the audience wished to speak in favor of the request.

      There were none.

 

*    Chairman Emory asked if anyone in the audience wished to speak against the request.

      There were none.

 

*    Chairman Emory closed the public hearing.

 

Chairman Emory asked if there was any further discussion from the Commissioners.

 

Commissioner Hill moved, Commissioner Weigel seconded a motion to approve the Flood Plain Development Permit to construct a headworks and influent pump station  with the addition of finding 4c.  All voted “yes”.  The motion carried.

             

VII.            Business from the Public:

                  None

 

VIII.          Other Commission Business:

1.      Statement of Economic Interest Filing

                  Administrator Evans informed the Commission that all the forms had been sent in to the state.

 

                  She also advised the Commissioners that a large project would be coming in sometime

 

IX.             Correspondence:

None

 

X.              Announcements:

1.      City Council –Monday April 15, 2013 @ 7:00 pm

2.      Planning – Wednesday, May 8, 2013 @ 7:00 pm

 

XI.             Adjourn:

                  Being no further business, the meeting adjourned at 7:30 p.m.

 

 

SUBMITTED BY:                                                           APPROVED BY:

 

 

_____________________________                         ____________________________

Janelle Evans, Administrator/Recorder                      John Emory, Chairman

 

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