Ordinance No. 82-04 CI`iY OF TIGARD, OREGON
a<- ORDINANCE NO. 8 2— Cil
AN ORDINANCE AMENDING CHAPTER 1.8.57, TIGARD MUNICIPAL CODE RELETTING TO FLOODPLAIN
DISTRICTS AND FIXING AN EFFECTIVE DATE.
The City of Tigard ordains as follows:
SECTION 1. Chapter 18.57, Sensitive IKands, of the Tigard Municipal Code is amended
to read as follows:
(a) 18.57 MO Floodplain District: The floodplain District identified
by t>le Fe'dera Insuranc'e Administration in a scientific and engineering
report entitled "The Flood Insurance Study for the City of Tigard,
Oregon" dated September 1, 1981 with accompanying Flood Insurance Rate
Maps and Flood Boundary _ Floodway Maps is hereby adopted by reference
and declared to be a part of this Chapter. The Flood Insurance Study
is on file in the Office of the City Recorder at Tigard City Hall.
This section does not imply that land outside the area of Floodplain
Districts or uses permitted within such districts will be free from
flooding or flood damages.
(b) Section. 18.57.020 Definitions is amended to include the following
definition in alphabetical order in the existing listing in that
Section:
"'Development' means construction of a building including modular
or mobile hones or any alternation or modification thereof, filling,
excavating, paving, mining, dredging or grading. (Ref. 18.57.050
Floodplain District.)
(c) Section 18.57.060 shall be amended to read as follows:
"18.57.060 Sensitive Lands Permit
A sensitive lands permit shall be obtained before development begins
within the floodplain district as established in Section 18.57.080.
Application for a Sensitive Lands Permit shall be made on forms
furnished by the Planning Director.
In accordance with the procedures and requirements set forth in
Chapter 18,84 of this code, an application for a Sensitive Lands
Permit filed as by said chapter stated may be approved or denied
by the approval authority following a public hearing.
All applications for a Sensitive Lands Permit shall. be supported
by the following information to enable the approval. authority to
determine whether the proposed use is located .in floodplain,
drainageway or steep slope areas:
{l) Floodplain;
(A) Plans drawn to scale, submitted in triplicate as
prepared by a registered professional engineer with
experience in hydraulic and geohydrologic engineering
}
i
and processes, showing the nature, location, {
dimensions, elevations and topography of the site;
the location of existing and proposed structures
located upon the site, existing and proposed areas
to be filled or otherwise modified, and the relation-
ship of these to the location of the stream channel,
and proposed methods for controlling erosion.
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(B) Any docullentation, photographs, water marks, and
similar evidence offered in support of the claim that
the site or area in question lies above high water as
defined by the regulatory flood.
E
:
(2) Drainageways:
(A) Plans drawn to scale, submitted in triplicate as }
prepared by a registered professional engineer with ex-
perience in hydraulic and hydrologic engineering and
processes, showing the nature, location, dimensions,
elevations and tcpogiaP1iy of the site; and location of
existing and proposed structures located upon the site,
existing and proposed fill or excavated areas, and the
relationship of these to the location of the stream
channel (if any), and the proposed methods of controlling
erosion.
(3) Steep slopes:
(A) Plans drawn to scale, submitted in triplicate as
prepared by a qualified registered professional engineer ; '
showing the nature, location, dimensions, elevations,
and topography of the site; the location of existing and
proposed structures located upon the site, existing and
proposed fill or excavated areas and proposed methods of
controlling erosion, i
(d) 18.57.090 Federal Flood Insurance Program On March 1, 1982, the
City of lg�' ^a'rc becomes elzgib e or t e r- egu7ar Federal Flood Insurance
i
Program. The following regulations are hereby adopted as required in [
18,10.3(d) of the National Flood Insurance Program Regulations: .
t '
1. A '0' foot floodway shall be adopted by the City of Tigard .
for the purposes of implementing the Federal Flood Insurance
Program.
2. The City Recorders Office shall be responsible to obtain and
F maintain the following information:
(a) The actual elevation (in relation to mean sea level) of i
x� the lowest habitable floor (including basement) of all g
new or substantially improved structures, and whether or
not the structure contains a basement, °
(b) For all new substantially improved flood proofed .structures: r
;r (1) Verify,and record the actual elevation (in relation
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ORDIMMENO. 82 ,�
to mean sea level); and
(2) Maintain flood proofing certifications.
(c) Maintain for public inspection all records pertaining
to the provisions of this ordinance.
SECTION 2. This ordinance shall take effect on the 30th day following its passage
and signing.
PASSED: By the City Council by vote of all Council members present
after being read two times by -num and title only, this
day of ,. 1982.
City ecor er— ity oi�r�`�'
u1al,F•il B" th4 M .>n, this L (ia' i7f i9$2.
Tv ayo-r—Cz ty o -gard
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