HomeMy WebLinkAboutOrdinance 2089 - Amending Title 18, zoning by amending portions of Ch 18.47 entitled "FP" Floodplain combining Dist I
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ORDINANCE NO. 2089
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF REDDING
AMENDING REDDING MUNICIPAL CODE TITLE 18, ZONING, BY
AMENDING PORTIONS OF CHAPTER 18.47 ENTITLED "FP"
FLOODPLAIN COMBINING DISTRICT.
The City Council of the City of Redding does hereby ordain as
follows:
Section 1. Title 18, Zoning, of the Redding Municipal Code is
hereby amended by amending portions of Chapter 18. 47, "FP" FLOODPLAIN
COMBINING DISTRICT, as follows:
I . In Section 18.47.020, Definitions, by repealing the definitions
of Base Floodplain, Floodplain, Floodplain Area, and Floodway;
and adding new definitions as follows:
5 . "Base Floodplain" means the area covered by a base flood
which is generally defined by FEMA as Zones A, AO, Al-30,
and AE on the Flood Insurance Rate Map or the base flood
area or elevation shown on any drainage study approved or
adopted by the City, whichever is highest.
16. "Floodplain" includes the Floodway, Flood Fringe, and means
the same as "Base Floodplain" and the "Area of Special Flood
Hazard. " "Floodplain" or "Floodplain Area" means any land
area susceptible to being inundated by water from any
source. ( See definition of "Flooding. " ) The elevations and
boundaries of flooding within the floodplain are defined by
Zones A, AO, Al-30, and AE of the Flood Insurance Rate Map
prepared by the Federal Emergency Management Agency (FEMA)
or as shown on any drainage study approved or adopted by the Q
City, whichever is highest.
For Creeks where FEMA has not established floodplain
elevations with a detailed study, the elevations shall be °v
determined by a registered civil engineer and approved by ��
the Planning Commission pursuant to Section 18. 47. 110 .
Backwater areas along the Sacramento River, or creeks which
rise or fail with the level of water in the adjacent stream,
are considered to be within the floodplain unless proven by
a licensed hydrologist/engineer that those water levels are
not the same as the floodplain of the adjacent stream and
have a floodplain of their own.
For creeks in Redding, floodplain events for the "Base
Flood" have one ( 1) percent chance of being equalled or
exceeded in any given year. This means that property
developed below the base-flood elevation will, on the
average, be flooded one time during a 100-year period.
For the Sacramento River, the probability of property being
flooded below the base-flood elevations is greater because
the design and operation of Shasta Dam upstream are based on
maximum-controlled ten- ( 10) , fifty- ( 50) , and 100-year
flood releases of 79,000 cubic feet per second; thus the
base-flood event for the river has ten (10) percent chance
of being equaled or exceeded in any given year. This means
that property developed below the base-flood elevation will
be, on the average, flooded ten ( 10) times in a 100-year
period.
17. "Floodplain Area" means an area having flood, mud slide
( i.e. , mud flow) and/or flood-related erosion hazards, as
shown on a Flood Insurance Rate Map (FIRM) or Flood Boundary
and Floodway Map and also that area shown on any drainage
study approved or adopted by the City, whichever is highest.
24. "Floodway" includes the channel and adjacent area of a
waterway that must be kept free of encroachment or
alteration in order that a base-flood event may be carried
without substantial increases in flood heights or flood
velocities. The width and location of the floodway are
determined by cross sections presented in the Flood
Insurance Study prepared by the Federal Emergency Management
Agency dated September 28, 1989, on file in the City
Planning Department , as may be amended from time to time.
"Floodway" includes those areas so designated on any
drainage study approved or adopted by the City.
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II. In Section 18.47.040, General Provisions, by repealing
subsections B. and E; and adding new subsections B. and E. as
follows:
B. Any development within the floodplain as determined by FEMA
or higher floodplain elevation adopted by the City shall
comply with the standards of Section 60. 3 (a, b, c, and d)
and Section 60. 6 (a) of the Rules and Regulations of the
National Flood Insurance Program ( 44 CFR 59) , incorporated
herein by reference; the development standards of this
chapter; and any conditions of approval applied to the
development.
E. Encroachment into floodplains shall not cause the water
velocity of the base flood to increase more than two ( 2)
feet per second, as measured at the closest point to the
proposed encroachment or any existing structures where the
depth is two ( 2) feet; nor shall water velocities be made
sufficient to carry obstructions into the f loodway; nor
shall the base-flood elevation, as a product of
encroachment, be raised by more than three ( 3) inches from
encroachment on one ( 1) side only or more than six ( 6)
inches taking into consideration encroachment on both sides.
III . By repealing Section 18.47.130, Enviromnental Review; and adding
a new Section 18. 47 . 130 as follows:
18.47.130 Environmental Review.
Any application for encroachment into a flood-fringe area shall
be subject to Chapter 18. 64 of the Municipal Code. Any
encroachment which significantly raises the projected flood
levels on adjacent property, or has the potential to increase
erosion, or diverts the natural flow of water, or falls under
Sections 18 . 64 .130 and 18 .64. 150 of the Municipal Code, shall be
subject to an environmental impact report. The environmental
impact report shall evaluate the area needed to make a determi-
nation, taking into consideration the cumulative and long-term
impact of the proposed encroachment, the relationship of the
project to the purpose of. this chapter, and alternatives to the
proposed project.
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Section 2. The City Council has ratified the Negative
Declaration prepared in connection herewith, finding that no significant
effect on the environment is created hereby.
Section 3. The City Clerk shall certify to the adoption of
this Ordinance and cause its publication according to law.
I HEREBY CERTIFY that the foregoing Ordinance was introduced and
read at a regular meeting of the City Council on the 21st day of June,
1994; and was duly read and adopted. at a regular meeting of the City
Council on the 5th day of July 1994, by the following vote:
AYES: COUNCIL MEMBERS: P. Anderson, Kehoe, T4cGeorge, Murray and R. Anderson
NOES: COUNCIL MEMBERS: None
ABSENT: COUNCIL MEMBERS: None
ABSTAIN: COUNCIL MEMBERS: None
ROBERT C. ANDERSON, Mayor
City of Redding
A ST:
CONNIE STROHMAYER, Oty Clerk
FO PROVED:
RANDALL A. HAYS, City Attorney
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In the Superior Court of the State of California
in and for the County of Shasta
CERTIFICATE OF PUBLICATION
No.
_Amending Portions of Chapter---18-.47-entitled
"FP"__F14odpiin__�Qmbnng__District.
------------------------------------------------------------------------------------
(Above space for filing stamp)
STATE OF CALIFORNIA
COUNTY OF SHASTA �ss-
:ORDINANCE
N0.2089
I hereby certify that the Record Searchlight IS d AN ORDINANCE OF,THE CITY COUNCIL OF THE CITY'
:OF REDDING AMENDING REDDING MUNICIPAL .I
CODE�TITLE,18, ZONING,-BY AMENDING PORTIONS
newspaper Of general circulation within the provisions OF.CHAPTER 18.47 ENTITLED :"FP FLOODPLAIN
COMBINING DISTRICT The City Councilof the City.of Redding does heretiy ordain as,
of the Government Code of the State of California, .:follows: 1 -
-Section 1.;Title 18,.'Zoning,;of the Redding Municipai,Code is
'hereby amended by amending:portions:of Chapter-18.47, ,"FP
printed and published in the City of Redding, County FLOODPLAIN;COMBINING DISTRICT,asfollows`.
Ir InrSection';18:47.020;.Definitions,by repealing the definitions of
of Shasta, State of California; that I am therinci al Base Floodplain-Floodplain, Floodplain Area,-and Floodway;
P P and adding new definitions as follows:..
clerk of the printer of said newspaper; that the notice r s Base Floodplain"means the area;covered by abase floo-
'which is geneFolly-defined bvFEMA as,ZoneaA AO,A7-
30,and.AE on th'e'.Flood Insurance Rate Map orthe base
flood area or_.elevation shown on any drainage, study
of which the annexed clipping is a true printed Copy approved or adopted,by the City,whichever is highest,
16. "Floodplain"•includes the Floodway, Flood Fringe,:and
er
was published in said newspaper On the following means the•same•as'"Base7Floodplain"and the,;"Area of
P P P g special'Flood Hazard:""'"F.loodplain"-or"Floodplain,Area;
means=any,land'area'susceptible to being inundated by
dates,to wit: water,from`any source.(See'definition of^''Flooding:")The
elevations and boundaries of flooding within-the floodplain
ore.def; ,+ �•�-�- p ppUD}5 6uluf,.the,Flood
.46llUoJDaS Pio)ad°:)' s;lano!dwa,.:}aalu }'mon9encv
July 13 1994 cog of awnsa? p S I any
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