OC-57 (February 2005)
NC DEPARTMENT OF ADMINISTRATION
OFFICE OF STATE CONSTRUCTION
FLOODPLAIN EVALUATION PROCEDURES
The following information is provided to aid in the determination of the need for a Floodplain
Development Permit. The notes mentioned below, which are to appear on the site plans, are to
appear on the drawings when submitted for design development review and thereafter remain
on the drawings.
I.
NO FLOODPLAIN INVOLVEMENT: (No Permit Required)
A.
If the site on which the project is to be constructed has no floodplain involvement,
a permit is not required. The designer shall certify this case by including the
following note on the project Site Plan:
“No watercourse or 100 year floodplain as mapped by F.E.M.A. or as defined by
any federal, state or local authority is located on this property.”
B.
For a site on which a 100 year floodplain is located, if no development will occur in
the floodplain area, a permit is not required. The limit of the 100 year floodplain
(and limit of any regulatory floodway) shall be clearly drawn and labeled on the
Site Plan. Provide and certify the following note on the project Site Plan:*
“No construction, development, or storage of materials shall be allowed below the
100 year floodplain elevation of _____________________.”
II.
FLOODPLAIN INVOLVEMENT: (Permit Is Required)
For a site which involves a 100 year floodplain, and development* will occur in the
floodplain, provide the following note on the project Site Plan:
“Development which will take place within the limits of the 100 year floodplain at elevation
______________________ is designed in accordance with the requirements of
Executive Order No. 123 – Uniform Floodplain Management Policy.”
By the start of the design development stage of drawing production, the designer shall
have addressed the issue of floodplain involvement. If a permit will be required, the
designer is to review the State Construction Office “Instructions To Designers On The
Floodplain Management Policy (Executive Order No. 123)”. The instructions are
accompanied by the necessary forms and a copy of the Executive Order.
*Development is defined as: Any man-made change to improved or unimproved real estate,
including, but not limited to buildings or other structures, mining, dredging, filling, grading,
paving, excavation or drilling operations, or storage of equipment or materials.