ORDINANCE NO. 4258
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF HUNTINGTON BEACH AMENDING CHAPTER 222 OF THE HUNTINGTON BEACH ZONING AND
SUBDIVISION ORDINANCE RELATING TO THE FLOODPLAIN OVERLAY DISTRICT FP1, FP2, FP3)
ZONING TEXT AMENDMENT NO. 22- 003)
WHEREAS, Zoning Text Amendment No. 22- 003 will amend Chapter 222 of the HuntingtonBeachZoningandSubdivisionOrdinance,relatingto FloodplainOverlayDistrict; and The Huntington Beach Planning Commission and Huntington Beach City Council have heldseparate, duly noticedpublic hearingsto considerZoningText AmendmentNo. 22-003; and After due consideration of the findings and recommendations of the Planning Commission andall otherevidencepresented, the City Council finds thatthe aforesaidamendmentis proper and consistent with the General Plan;
TheCity Councilof theCity of HuntingtonBeachdoesherebyordainasfollows:
SECTION 1. Section 222.14 of the Huntington BeachZoning and Subdivision Ordinance is hereby amendedto read as follows:
Developmentstandardsfor the FP OverlayDistrict shall be specifiedby a conditionaluse permitor shallbethoseof thebasedistrictwith whichtheFPdistrictis combined, provided thatthefollowing standardsof constructionshallapplyin the -FP2and -FP3subdistricts.
A. - FP2 and - FP3 Standards of Construction.
1. Anchoring. All newconstructionandsubstantialimprovementsof structures, including manufactured homes, shall be anchored to prevent flotation, collapse or lateral movementof the structure resulting from hydrodynamicand hydrostatic loads, includingtheeffectsof buoyancy. All manufacturedhomesshallcomplywith the anchoring standardsof Section 222.14(A)( 5).
2. Construction Materials and Methods. All new construction and substantial improvements of structures, including manufactured homes, shall use construction methodsandpracticesthatminimizeflood damage, andshallutilizematerialsand utility equipmentresistantto flooddamagefor areasbelowthebasefloodelevation plusonefootfreeboard. Adequatedrainagepathsaroundstructuresonslopesshallbe provided to guide flood waters around and away from proposed structures.
ORDINANCE NO. 4258
3. Standards for Utilities and Mechanical Equipment.
a. All new and replacement water supply and sanitary sewage systems shall be designed to minimize or eliminate infiltration of floodwaters into the system and discharge from systems into floodwaters.
b. On- site waste disposal systems shall be located to avoid impairment to them or contamination from them during flooding.
c. All new construction and substantial improvements shall be constructed with electrical, heating, ventilation, plumbingandair conditioningequipmentandother service facilities designed and/or located one foot above the base flood elevation so asto preventwaterfrom enteringor accumulatingwithin the componentsduring conditions of flooding.
4. Standards for Subdivisions and Other Proposed Development. a. All new subdivision proposals and other proposed development, including proposalsfor manufacturedhomeparksandsubdivisions, greaterthan 50 lots or five acres, whichever is the lesser, shall:
i. Identify the SpecialFlood HazardAreas (SFHA) andBaseFlood Elevations BFE).
ii. Identify the elevationsof lowestfloors of all proposedstructuresandpadson the final plans.
iii. If the site is filled above the base flood elevation, the following as-built information for eachstructure shall be certified by aregisteredcivil engineeror licensedland surveyorandprovidedaspart of an applicationfor a Letter of MapRevisionbasedonFill (LOMR-F) to theFloodplainAdministrator:
A) Lowest floor elevation.
B) Pad elevation.
C) Lowest adjacent grade.
b. All subdivisionproposalsandotherproposeddevelopmentshallbeconsistentwith the need to minimize flood damage.
c. All subdivision proposalsand other proposeddevelopmentshall have public utilities andfacilities suchassewer, gas, electricalandwatersystemslocatedand constructed to minimize flood damage.
d. All subdivisionsandotherproposeddevelopmentshallprovideadequatedrainage to reduce exposure to flood hazards.
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5. Standards for Manufactured Homes.
a. All new and replacement manufactured homes and substantial improvements to manufactured homes on sites located:
i. Outside of a manufactured home park or subdivision; ii. In a new manufactured home park or subdivision;
iii. In an expansionto an existing manufacturedhome park or subdivision; or iv. In anexistingmanufacturedhomepark or subdivisionon a siteuponwhich a manufactured home has incurred substantial damage as a result of a flood shall be elevated on a permanentfoundation so that the lowest floor is elevated one foot above the base flood elevation.
b. All manufactured homes to be placed or substantially improved in an existing manufacturedhomeparkor subdivisionshallbe elevatedto havethelowestfloor one foot above the base flood elevation.
c. All manufactured homes shall be securely anchored to an adequately anchored foundation system to resist flotation, collapse, and lateral movement.
6. Standardsfor Recreational Vehicles. All recreational vehicles placed on a site within a flood hazardzoneshall be fully licensedandreadyfor highway use, restrictedto a maximumstayonsiteof 180daysunlesstheelevationandanchoringof therecreational vehicle complies with the Standards for Manufactured Homes. All recreational vehicles placedin coastalhighhazardareas (V andVE zones) shallalsocomplywith -FP3 standards for construction.
B. - FP2 Standards of Construction.
1. Elevation and Floodproofing.
a. Residential Construction. New residential construction and substantial improvementof any residentialstructureshall have the lowest floor including basement elevated one foot above the base flood elevation except:
i. In an AO zone, the lowest floor including basementshall be elevated one foot abovethe highest adjacentnatural gradeto aheight exceedingthe depthnumber on theFIRM by onefoot or at leastthreefeetif no depthnumberis specified; and
ii. In an A zone, the lowestfloor includingbasementshall be elevatedonefoot above the base flood elevation as determined by the City. 3 22- 11443/ 285796
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Prior to issuanceof a building permit and prior to building permit final inspection, the elevation of the lowest floor including basement shall be certified by a California registered engineer, or surveyor. The completed FEMA elevation certificates shall be submitted to the Director.
b. Nonresidential Construction. New construction and substantial improvement of any nonresidential structure shall be either elevated to comply with subsection( B)( 1)( a) or together with attendantutility and sanitary facilities be floodproofed below the level stated in subsection ( 13)(1)( a) so that the structure is watertight with walls substantially impermeable to the passageof water and be capable of resisting hydrostatic and hydrodynamic loads and effects of buoyancy. A floodproofing certificate shall be completed and certified by a California registered engineer or architect and submitted to the Director prior to issuanceof a building permit. c. Flood Openings. All new construction and substantial improvement of any structure with fully enclosed areasbelow the lowest floor ( excluding basements) that areusablesolely for parking of vehicles, building accessor storage, and which are subject to flooding, shall be designed to automatically equalize hydrostatic flood forceson exteriorwallsby allowingfor theentryandexit of floodwater. All proposals for using space below the lowest floor shall exceed the following requirements:
i. Be certified by a California registeredengineer or architect; or ii. Be certified to comply with a local floodproofing standard approved by the Federal Insurance Administration, Federal Emergency Management Agency; or
iii. Have a minimum of two openings on different sideshaving a total net areaof not lessthan one squareinch for every squarefoot of enclosedarea subject to floodingshallbeprovided. Thebottomof all openingsshallbeno higherthan one foot above grade. Openingsmay be equipped with screens, louvers, valves or other coverings or devices provided they permit the automatic entry and exit of floodwaters.
C. - FP3 Standards of Construction.
1. Location of Buildings. All new construction shall be located on the landward side of the reach of the mean high tide.
2. Free of Obstruction. All new construction and substantial improvement shall have the lowest floor free of obstructions or constructed with breakaway walls as defined in Section 222. 06. Such enclosed space shall not be used for human habitation but may be used for parking, building access or storage.
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3. Elevation and Structural Support. All new construction and substantial improvements shall be elevated on adequatelyanchoredpilings or columns so that the bottom of the lowesthorizontalportion of the structuralmemberof the lowestfloor (excludingthe pilings or columns) is elevated one foot abovethe baseflood level. The pile or column foundation and structure attached thereto is anchored to resist flotation, collapse, and lateralmovementdueto theeffectsof wind andwaterloadsactingsimultaneouslyon all building components. Water loading values usedshall be those associatedwith the baseflood. Wind loadingvaluesusedshallcomplywith standardsadoptedby theCity.
Fill shall not be used for structural support of buildings.
4. Certification. A California registered engineer or architect shall certify to the satisfaction of the Director that the proposedstructure complies with the requirements of this section. The Director shall obtain and maintain records of the elevation ( in relation to mean sea level) of the bottom of the lowest structural member of the lowest floor ( excluding pilings or columns) of all new and substantially improved structures, and whether such structures contain a basement. ( 3285- 7/ 95, 3334- 6/ 97, 3845- 12/ 09) SECTION 2. This Ordinance shall become effective 30 days after its adoption.
PASSED AND ADOPTED by the City Council of the City of Huntington Beach at a regular meeting thereof held on the 77*
day of S° r 2022.
ATTEST:
oq
li62
City Clerk Mayor
REVI W D AN APPROVED INITIATED AND APPROVED
City a er Community Development Director
APPROVED AS O FORM:
it Attorney
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Ord. No. 4258
STATE OF CALIFORNIA
COUNTY OF ORANGE ss:
CITY OF HUNTINGTON BEACH )
I, ROBIN ESTANISLAU, the duly elected, qualified City Clerk of the City of Huntington Beach, and ex-officio Clerk of the City Council of said City, do herebycertify thatthewholenumberof membersof theCity Councilof theCity of Huntington Beach is seven; that the foregoing ordinancewas readto said City Council at a Regular meeting thereof held on August 2, 2022, and was again read to said City Councilat aRegular meetingthereofheldon September6, 2022, andwaspassedand adoptedby the affirmative vote of at least a majority of all the membersof said City Council.
AYES: Peterson, Bolton, Posey, Delgleize, Carr, Moser, Kalmick NOES: None
ABSENT: None
ABSTAIN: None
1,Robin Estanislau, CITY CLERK of the City of Huntington Beach and ex-officio Clerk of the City Council, do hereby certify that a synopsis of this ordinance has been published in the Huntington Beach Wave on September 15, 2022.
In accordance with the City Charter of said City.
Robin Estanislau, City Clerk City Clerk and ex-officio Clerk Senior Deputy Ci, Clerk of the City Council of the City of Huntington Beach, California