Ordinance No. 83-09 s
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CITY OF TIGARD, OREGON
ORDINANCE NO. $3
AN ORDINANCE AMENDING THE NATURAL FEATURES AND OPEN SPACE ELEMENT OF THE
TIGARD COMPREHENSIVE PLAN FOR THE PURPOSE OF ESTABLISHING A FLOODWAY/GREENWAY
POLICY; AND DECLARING AN EMERGENCY.
WHEREAS, the City Council on January 24, 1983 voted unanimously to
adopt the Natural Features and Open Space element of the Comprehensive Plan of
the City of Tigard; and
WHIEREAS, t1proposed Natural Features and Open Space element was
adopted without a policy 3.2.1 relative to land form alterations in the
floodway; and
WHEREAS, the City Council has reviewed various options concerning a
floodway policy at a public hearing.
NOW, THEREFORE,
THE CITY OF TIGARD ORDAINS AS FOLLOWS:
Section 1: The Natural Features and Open Space Element of the Tigard
Comprehensive Plan is amended to include the floodway policy
attached is Exhibit "A".
Section 2: In order to provide a uniform date for the effectiveness of this
series of Comprehensive Plan revisions to be adopted by the City
Council in 1983, an emergency is declared and this portion of
the Comprehensive Plan shall become effective on April 1, 1983.
PASSED: By �i�1QNirY1„u vote of all Council members present, after being
read by ;cumber and title only, this g day of Aidkvr 1983.
Recorder- City'df T_r.g
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APPROVED: By the Mayor, this day of 1983.
Mmyor - City of Tigard OFr
ORDINANCE NO. 83- dy
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.,� EXHIBIT "A"
ALTERNATIVE #3
Policy as submitted to the City Council following Planning Commission
revisions on January 19, 1983 within the Natural Features and Open Space
Element.
3.2.1 THE CITY SHALL:
a. PROHIBIT LAND FORM ALTERATIONS AND DEVELOPMENT IN THE FLOODWAY*;
AND
b. PROHIBIT LAND FORM ALTERATIONS AND DEVELOPMENT IN THE FLOODPLAIN
EXCEPT AS FOLLOWS:
1. LAND FORM ALTERATIONS AND DEVELOPMENT SHALL BE ALLOWED WHERE
BOTH SIDES OF THE FLOODPLAIN ARE DESIGNATED AS EITHER
INDUSTRIAL OR COMMERCIAL ON THE COMPREHENSIVE PLAN MAP AND THE
FACTORS SET FORTH IN POLICY 3.2.2 CAN BE SATISFIED.
2. LAND FORM ALTERATIONS AND DEVELOPMENT SHALL BE ALLOWED WHERE
ONE SIDE OF THE FLOODPLAIN IS PLANNED FOR RESIDENTIAL USE AND
THE OTHER SIDE OF THE FLOODPLAIN IS PLANNED FOR COMMERCIAL AND
INDUSTRIAL USE SUBJECT TO THE FOLLOWING LIMITATIONS:
r (a) THE LAND FORM ALTERATION OR DEVELOPMENT IS ON LAND
DESIGNATED ON THE COMPREHENSIVE PLAN MAP FOR COMMERCIAL OR
INDUSTRIAL USE;
(c) THE APPLICANT CAN DEMONSTRATE THAT DEVELOPING IN
FLOODPLAIN IS REASONABLE AND NECESSARY FOR FINANCIAL
FEASIBILITY TO SITE DEVELOPMENT; AND
(d) THE FACTORS SETFORTH IN POLICY 3.2.2 WILL BE SATISFIED.
3.2.2 WHERE LAND FORM ALTERNATIVES AND DEVELOPMENT ARE ALLOWED WITHIN THE
100—YEAR FLOODPLAIN*, THE CITY SHALL REQUIRE:
a. THE WATER STORAGE CAPACITY OF THE FLOODPLAIN AND STREAM FLOW
CAPACITY OF THE FLOODWAY ADJOINING THE SITE BE MAINTAINED;
C
b. ENGINEERED DRAWINGS AND DOCUMENTATION PROVING THERE WILL BE NO
UPSTREAM OR DOWNSTREAM CHANGES IN THE FLOODPLAIN AREA;
C. THE PLANTING OF AN EVERGREEN BUFFER ON THE COMMERCIAL OR
INDUSTRIAL LAND WHICH SCREENS THE DEVELOPMENT FROM VIEW BY THE
® ADJOINING RESIDENTIAL T_&ND (SFE BUFFER POLICY ) A?'?D
WHICH IS SUFFICIENT WIDTH TO BE NOISE ATTENUATING; AND
d. THE DEDICATION OF SUFFICIENT OPEN LAND AREA ADJOINING THE
FLOODPLAIN AT A SUITABLE ELEVATION FOR THE CONSTRUCTION OF A
PEDESTRIAN;BICYCLE PAT11WAY WITHIN THE FLOODPLAIN IN A.^.CORDANCE
WITH THE ADOPTED PEDESTRIAN BICYCLE PLAN.
*The Floodplain and Floodway as defined by the Federal Flood Insurance
.Administrator.