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Section 404 - Pre-Construction Notification Form For State And County Projects - Oklahoma Department Of Transportation Page 4

Misc Miscellaneous. Anything not covered by another type. Include

description in the notes.

Description of Structure:

Existing

Describe existing structure, size, and condition (such as

degradation of the structure, missing apron, scour, etc.).

New

Describe proposed structure. If type is bank protection,

give length in notes.

Calculations:

Area in acres.

 Provide quantities for area of fill.

 Designate whether area of fill is within the existing channel or in a

completely new channel.

 Only provide excavation acreage if construction will widen the

existing channel and provide this as a separate quantity in the notes

section below.

 Do not cancel out area of fill with area of excavation. Excavation

must be treated as a separate quantity from fill.

 Fill and excavation areas should be calculated below the ordinary

high water mark (OHWM) for channels.

 Include in the notes the OHWM elevation used.

 OHWM elevation can be obtained from the General Plan and

Elevation plan sheets as the lowest bank or OHWM can be

obtained from the ODOT biologist. The Q2 elevation may give a

more conservative OHWM elevation when a biologist elevation or

profile elevation is not available.

 Temporary fills do not need to be included in the quantities if the

area will be returning to its original state after project completion.

 If wetlands are identified in the NEPA document/delineation

report, ODOT (State Projects) or Consultant (County Projects

Only) will add this information or may give you these acreages to

add to the form.

Cubic Yards of Fill

 This calculation is only required if fill is over 0.1 acres per

structure/crossing

 Provide cubic yards of fill in this space

Linear Feet of Impacts

 Provide the linear feet of the impact along the stream from the start

of the impact to the end of the impact.

 This number should be calculated along the flowline of the

stream/drainage.

Notes.

Revised October 23, 2013

Section 404 - Pre-Construction Notification Form For State And County Projects - Oklahoma Department Of Transportation Page 4

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