elevation cert survcon · lowest adjacent grade •elevation of ground, sidewalk, patio, or deck...
TRANSCRIPT
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
Elevation Certificate 2
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
Elevation Certificate 3
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
Elevation Certificate 4
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
Elevation Certificate 5
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
Elevation Certificate 6
Net area?Net area?
1 foot?
·. ,..
.' ,(
Spray Foam Insulation NON-COMPLIANT
Elevation Certificate 7
Risk MAP
Typical Vent Installation
Crawlspace Slab
Elevation Certificate 8
BFE
1’ +
Elevation Certificate 9
–Flood Insurance Rate Map (FIRM) Information
–Source of BFE
Section B
Source of BFE–Datum–Coastal Barrier Resource Area
Elevation Certificate 10
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)
Elevation Certificate 11
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
Elevation Certificate 12
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
Elevation Certificate 13
–Community Floodplain Management Record Keeping
Section G
Management Record Keeping
–Data in Section C from Another Source
Section G
11 Building Diagrams
Elevation Certificate 14
Diagrams 1-A and 1-BSlabs
Diagram 1-A
Diagram 1-B
Elevation Certificate 15
Diagrams 2‐A and 2‐BBasements
NEWNEW
Diagram 2‐B Examples
Elevation Certificate 16
Elevation Certificate 17
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
Elevation Certificate 18
Crawlspace Types
Diagram 8 Diagram 9iagram 8 iagram 9
Elevation Certificate 19
Questions???
Thank You!!