Elevation Cert Survcon · Lowest Adjacent Grade •Elevation of ground, sidewalk, patio, or deck...

Elevation Certificate 1

Elevation Certificate

Elevation Elevation CertificateCertificate

• Administrative tool of the NFIP

• Policy rating

S f i i d• Support of map revisions and amendments

• Certify building elevations

• Community compliance

Flood Insurance Rate Tables


Sections A Sections A ‐‐ DDPg 1 Pg 2

Sections Sections E E ‐‐ GGPg 3 Pg 4

Section A–Building Owner and Location

–Building Foundation Type (Diagram #), Photos

–Openings in Enclosures Below BFE


Section A

Lowest

$460 / year

Lowest Floor for Flood Insurance RatingWith Proper Vents in Crawlspace

LowestFloor

+ 2.0 Feet

Opening(typical) BFEFurnace

Lowest Floor for Flood Insurance RatingWithout Proper Vents in Crawlspace

L

$810 / year

BFE

LowestFloor

- 2.0 Feet

Furnace


What is a Foundation Flood Vent ?

Device needed to relieve PRESSURE on Foundation Walls during a Flood Event.

Mandated by the NFIP

Can Reduce Flood Insurance Premiums

FEMA Non Engineered OpeningRequirements

Must have a Minimum of Two Openings

One sq/in per 1 sq/ft of enclosed area

B tt f i ithi 1’ f dj t d Bottom of opening within 1’ of adjacent grade

Any louvers, screens, or other opening covers must not block or impede the automatic flow ofFloodwaters into and out of the enclosed area.

Openings must be permanently open

Vent Options

TypicalAir Vent

Louvered

ScreenedWood Frame

LouveredAir Vent

Block TurnedSideways

ReturnVents


FEMA Engineered OpeningRequirements

In situations where it is not feasible or desirable to meet the openings criteria, a d i f i l (E A h)design professional (Eng, or Arch) may design structural foundation to handle

hydrostatic design loads.

Engineered Flood Vents

76 SQ/IN Totally Unobstructed Open Area

Smart VENT®

C L O S E

41 SQ/IN If Opened

common air vent


Net area?Net area?

1 foot?

·. ,..

.' ,(

Spray Foam Insulation NON-COMPLIANT


Risk MAP

Typical Vent Installation

Crawlspace Slab


BFE

1’ +


–Flood Insurance Rate Map (FIRM) Information

–Source of BFE

Section B

Source of BFE–Datum–Coastal Barrier Resource Area


Section B

Community Status Bookhttp://www.fema.gov/fema/csb.shtm

Note: The Current Effective Map is the Map Index Date.

– Elevations Determined by Land Surveyor– Must be completed if the Elevation Certificate is used to support a LOMA or LOMR F

Section C

used to support a LOMA or LOMR‐F–Not required for Zone AO –Not required for Zone A (w/out BFE)


Section C

Lowest Adjacent Grade

• Elevation of ground, sidewalk, patio, or deck support immediately next to building

• Lowest ground elevation touching structure or supporting members of structurepp g

For LOMC submittals, must be certified to nearest tenth of

a foot

Section D– Include Signature and Seal–Certified by surveyor, engineer, or architect Sections A B and Carchitect, Sections A, B and C

– Lat Long by RLS?–Attachments?

–Comment section


Section D

– Zone A and AO Without BFE– Flood Insurance Rates – Difference Between Highest Adjacent Grade and Low Floor

Sections E and F

j– Just Measuring Heights with Measuring Tape, Folding Ruler, etc

– Doesn't Require Surveyor – Owner, builder, or Other Representative

Sections E and F


–Community Floodplain Management Record Keeping

Section G

Management Record Keeping

–Data in Section C from Another Source

Section G

11 Building Diagrams


Diagrams 1-A and 1-BSlabs

Diagram 1-A

Diagram 1-B


Diagrams 2‐A and 2‐BBasements

NEWNEW

Diagram 2‐B Examples


Diagram 5 Diagram 5 No No Obstructions BelowObstructions Below

bb

aa

cc (V zones only)(V zones only)

bb

Breakaway Wall V Zones

• Is Not Part of the Structural Support of the Building

• Designed to Collapse Under SpecificDesigned to Collapse Under Specific Lateral Loading Forces without Causing Damage to the Elevated Portion of the Building or Foundation System


Crawlspace Types

Diagram 8 Diagram 9iagram 8 iagram 9


Questions???

Thank You!!

Elevation Cert Survcon · Lowest Adjacent Grade •Elevation of ground, sidewalk, patio, or deck...

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