HomeMy WebLinkAbout16 - Zoning Code and Local Coastal Program Amendments Due to VE Special Flood Hazard Area as Mapped by FEMA - PowerPointMarch 16, 2019
Item No. 16
CITYCOUNCIL
March 26, 2019
• Federal Emergency Management Agency (FEMA)
• VE Zone =Coastal High Hazard Area
• i.% annual chance (base) flood limits (loo -year
flood)
• Subject to high velocity water, including waves
Community Development Department - Planning Division
48th Street
Properties Affected by VE Ione
Properties Affected by VE Zone (1 66 )
Community Development Department - Planning Division
24th Street
L—/ U L ---
■ Use of pilings,
columns
■ Lowest structural
above the Base
(BFE)
posts, piers or
member at or
Flood Elevation
■ BFE in West Newport = 1.5 ft.
■The finished floor elevation must
be 1 ft. above the BFE (1.6 ft.)
Community Development Department - Planning Division
Toward Flood Source
100 -Year
Wave Crest
Bottom of
Lowest Horizontal
Elevation (BFE)
Structural Member
Freeboard
106 -Year
Elevation ' I U I I U I I
Exceeding NFIP Elevation Requirements in Costal A Zones and 4 Zones
■ Structures must be elevated on an
open foundation
■ Space below all new construction
must be free of obstructions
Community Development Department - Planning Division
r—
Free- of- Obstruction
Requirements
for Buildings Located in Coastal High Hazard Areas
in accordance with the National Flood Insurance Program
Technical Bulletin 5 /August 2008
HM,
Height
Measurement
R `� ALL TIREE SIDES OF COVERED DEOK T.O. RIDGE TA. 29 3F ELEVATOR
SNPLL REMAIN OPEN IN PERPE1VITf PND • �q4, bNAPT .4083 TA. RIDbE = A'-0' VT M. LIMIT
MAY NOT BE ENGL05®IN IF£MVRE. ` T________ -3---
I I .30.IT
Q — `OPEN TOS ® 24'-0' OITY NT. LIMIT
_ _ _ _ _ _ _ _ O DEGK/FLAT ROOFS
r w 1--------- r u ses
O—K J I - FEAIN�
TA.SNt'b •. 32.11' I NCOVER®'RAOF OEGK 'qpl
Ron
YABN!'b • 31.11 TINRD FLOOR
4
ry
TA9NT'6. 22.IT'
Accessory7*-cceso
g
Structures Gara e -
.,__ - ... GARAGE E5TABLISHED
ftAft 000
• �R bRADE • II.BS'
N� memo 000
Community Development Department - Planning Division
B F E 15'
FEMA Compliant Design
33'
Community Development Department - Planning Division
Existing Grade 12'
Existing Design
1W W
FEMA Compliant Design
3FE 15'
Existing Grade 12'
Community Development Department - Planning Division
3,
• Zoning Code requires garages
• Space below BFE must be free of
obstructions
• Breakaway wall designs conflict with
seismic requirements
• Enclosed garages no longer possible
• Open carport design alternative
Community Development Department - Planning Division
FORK
NO GARAGE
DOOR
GLEAR TO LOAEST HORZ.
STRUGT. MEMEBER = 16.0'
• Measure height from existing grade or finished floor?
•Allow raised decks to encroach into setbacks?
•Visual quality/aesthetic issues
• Privacy issues
Community Development Department - Planning Division
Stairs
Open risers
Carport Access
• Landing interference with parking spaces
• Safety issue if primary entrance
Side Access
• Landing within setback?
• Recess doorway?
• Building Code compliance
Community Development Department - Planning Division 11
Code Amendment to Address:
s. How building heights are measured
2. Allowing carports
3. Accessory structure height measurement/setbacks
4. Primary entrance location/accessibility issues
Community Development Department - Planning Division 12
Properties Affected by VE Zane
0 Properties Affected by VE Zone (166 )
0
Community Development Department - Planning Division
(—j Zj Lj--
COP.ST iAYY W
11111
■IIINI�11111
11,111
IIINi.IIIII
I�IN�II�1�IIIIN1
13