Or. Admin. Code § 629-630-0915 - Statewide Harvesting; Standard Practice; Stream Adjacent Failures
(1) Operators shall
extend the riparian management areas, described in OAR
629-643-0100 and OAR
629-643-0120, on all identified
stream adjacent failures, as defined in OAR
629-600-0100. The riparian
management area shall encompass the perimeter of the stream adjacent failure,
defined in OAR 629-600-0100, however, the width
of the riparian management area shall only extend to the lesser of:
(a) The distance of 170 feet from the edge of
a Type F or Type SSBT channel; or
(b) The distance to the slope break, defined
as 20 percent or greater reduction in slope gradient.
(2) The landowner representative shall submit
a written plan, described in OAR
629-605-0170(13),
for timber harvest units where yarding is planned to occur within stream
adjacent failures.
(3) The
landowner shall submit a written plan that describes how the number, size, and
location of yarding corridors were selected to minimize impacts to the
integrity of stream adjacent failures.
(4) Cable yarding, which may require cutting,
but not removal, of trees, is permitted through stream adjacent failures, but
the number, size, and location of yarding corridors shall minimize impact to
the integrity of the feature. The operator shall not remove trees cut for
yarding corridors unless these are deemed safety hazards.
(5) The operator shall make all riparian
management area width measurements using the slope distance and shall measure
them from the edge of the active channel or channel migration zone.
(6) The department shall publish Forest
Practices Technical Guidance to assist operators in identifying channel
migration zones.
Notes
Statutory/Other Authority: ORS 527.710 & Section 2(1), Chapter 33, Oregon Laws 2022
Statutes/Other Implemented: ORS 527.715, 527.765, Section 2(2), Chapter 33, Oregon Laws 2022 & Section (10), Chapter 33, Oregon Laws 2022
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