Fema Form 086-0-33 - Elevation Certificate - U.s. Department Of Homeland Security (Page 17 of 23) in pdf

DiAGrAM 3

DiAGrAM 4

All split-level buildings that are slab-on-grade, either

All split-level buildings (other than slab-on-grade), either

detached or row type (e.g., townhouses); with or without

attached garage.

Distinguishing Feature – The bottom floor (excluding garage) is at

Distinguishing Feature – The bottom floor (basement or

or above ground level (grade) on at least 1 side.*

underground garage) is below ground level (grade) on all sides.*

C2.a

C2.b

C2.a

HIGHER

FLOORS

NEXT HIGHER

GRADE

NEXT HIGHER

GRADE

FLOOR

BOTTOM

BOTTOM FLOOR

FLOOR

(BASEMENT)

FLOOR

(determined by

C2.f–h

existing grade)

DiAGrAM 5

DiAGrAM 6

All buildings elevated on piers, posts, piles, columns,

or parallel shear walls. no obstructions below the

or parallel shear walls with full or partial enclosure

elevated floor.

below the elevated floor.

Distinguishing Feature – For all zones, the area below the

elevated floor is open, with no obstruction to flow of floodwaters

elevated floor is enclosed, either partially or fully. In A Zones,

(open lattice work and/or insect screening is permissible).

the partially or fully enclosed area below the elevated floor is

with or without openings** present in the walls of the enclosure.

Indicate information about enclosure size and openings in Section

C2.b

A – Property Information.

NEXT HIGHER

FLOOR

C2.a

FLOOR

C2.a

FLOOR

C2.b

ELEVATED

FLOOR

A8.a–c

GRADE

Determine

ENCLOSURE

enclosure size &

openings, if any.

C2.f-h

(determined by

C2.f–h

(determined by

C2.f–h

C2.c

existing grade)

(For V zones only)

existing grade)

* A floor that is below ground level (grade) on all sides is considered a basement even if the floor is used for living purposes, or as an office,

garage, workshop, etc.

** An “opening” is a permanent opening that allows for the free passage of water automatically in both directions without human intervention.

Under the NFIP, a minimum of 2 openings is required for enclosures or crawlspaces. The openings shall provide a total net area of not less

than 1 square inch for every square foot of area enclosed, excluding any bars, louvers, or other covers of the opening. Alternatively, an

Individual Engineered Flood Openings Certification or an Evaluation Report issued by the International Code Council Evaluation Service (ICC

ES) must be submitted to document that the design of the openings will allow for the automatic equalization of hydrostatic flood forces on

exterior walls. A window, a door, or a garage door is not considered an opening; openings may be installed in doors. Openings shall be on at

least 2 sides of the enclosed area. If a building has more than 1 enclosed area, each area must have openings to allow floodwater to directly

enter. The bottom of the openings must be no higher than 1.0 foot above the higher of the exterior or interior grade or floor immediately below

the opening. For more guidance on openings, see NFIP Technical Bulletin 1.

NFIP Elevation Certificate Instructions – Page 8

Fema Form 086-0-33 - Elevation Certificate - U.s. Department Of Homeland Security Page 17

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