C7 Attachment 7 - Deer TS Number 2 DUIS Signed JS.pdf

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Non-Commercial Thin/Sectioning - Deer Thin Sectioning #2 - Wallowa Whitman National Forest
Solicitation number
1240BG26Q0049
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This is a Detailed Unit Information document for the Deer Sectioning #2 fuels treatment project located in the Wallowa-Whitman National Forest, Whitman Ranger District. The document specifies comprehensive thinning and slash treatment requirements across five units (S5, S7, S8, S10, S11) totaling 737 acres.

The project requires contractors to perform thinning operations with specific provisions for tree removal, retention, and spacing. Maximum cut diameter is 9.0 inches for all species except juniper, with no maximum for western juniper removal. Trees must be cut below the lowest live limb with stumps not exceeding 3 inches in height. Retention priority favors Western White Pine, Western Larch, Ponderosa Pine, and Douglas-Fir, while removal targets White-Fir, Grand-Fir, Lodgepole Pine, and Engelmann Spruce up to maximum cut diameter. All junipers must be felled with lowest live limbs severed from stumps. Special provisions include clearing around Ponderosa Pine trees 21+ inches DBH within 30 feet and around aspen within 50 feet, with all Whitebark Pine retained. Spacing requirements vary by location: general units require minimum 20-foot spacing for remaining trees, with 30-foot minimum spacing within 150 feet of private land boundaries. The desired outcome is to thin stands to desired stocking levels, reduce hazardous ladder fuels, and create conditions suitable for prescribed burning to improve wildfire containment and firefighter safety while protecting adjacent private property.

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DETAILED UNIT INFORMATION-

Deer Sectioning #2

Wallowa-Whitman National Forest, Whitman Ranger District

Unit Slash Treatment Remarks

Standard Fuels Treatment Provision for All Units

Thinning

Definition of Overstory Tree:

Live trees greater than the maximum cut tree DBH.

System Roads (open or closed):

• Fall all trees on cut slopes and within 10 feet of road surfaces up to the max cut DBH.

• Fall all trees within the road surface up to the max cut DBH. Immediately remove all felled trees and limbs that are extending into the road surface of open roads or roads that are currently in use.

Interface National Forest/Other Ownership:

See Unit Specifics table below regarding spacing.

Fences:

• Remove all felled trees that are within 10 feet either side of a fence immediately after cutting, to allow range allotment permittee access along the fence as well as cattle.

• Contractor will immediately repair any damages to the fence that occur from thinning or machine piling.

Stump Height:

Shall not exceed 3” in height unless cutting is obstructed by natural obstacles. All stumps shall be cut below the lowest live limb, be cut flush/not angled, and completely severed from the bole of the tree.

Minimum Tree Height:

Trees less than a height of 8” are not required to be cut Maximum Cut DBH:

9.0 inches for all species live or dead except juniper.

Clearing Around Ponderosa Pine 21+ D.B.H. Trees:

Fall all trees, up to and including the maximum cut DBH, within 30 feet (measured from the bole), around live Ponderosa Pine greater than or equal to 21.0 inches D.B.H, Clearing Around Aspen:

Fall all live trees, up to and including the maximum cut D.B.H., within 50 feet of any live aspen.

Western Juniper:

Fall all junipers. There is no maximum cut DBH with Juniper.

Mountain Mahogany:

Fall all conifers, up to and including the maximum cut DBH within 30 feet of live Mahogany growing in rocky otherwise unsuitable soil.

Whitebark Pine:

Retain all Whitebark Pine.

Boundaries are designated with Pink ribbon and Yellow plastic tags

Treatment Provision for All Units

Thinning

Retention

Retention:

Species Leave Priority (Best to Worst): Western White Pine, Western Larch, Ponderosa Pine, Douglas-Fir.

Removal

Species preference and Diameter:

Fall all White-Fir, Grand-Fir, Lodgepole Pine, Englemann Spruce up to and including the maximum cut DBH.

Western White Pine, Western Larch, Ponderosa Pine, and Douglas-Fir diseased, damaged, or suppressed trees:

Fall all damaged, poor crown trees, and those infected with dwarf mistletoe up to and including the maximum DBH.

Overstory Trees with dwarf mistletoe:

Fall all trees, up to and including the max cut diameter, of the same species within 30 feet of the overstory tree bole.

Fall all Junipers.

The lowest live limbs must be severed from the stump.

Standing Dead:

Fall all standing dead trees up to max cut DBH.

Cut Length:

Section cut trees into sections no larger than 8 to 10 feet in length.

Felling:

Fall all trees away from stream channels, springs, and seeps.

Spacing:

See spacing unit specifics below.

Units Spacing Unit # Acres

S5 110

S7 70

S8 122

S10 249

S11 186

Total Acres 737

• General unit: Minimum spacing of 20 feet for the remaining trees.

• Within 150 feet of private land: Minimum spacing of 30 feet for all remaining trees.

• Fall all Junipers: The lowest live limbs must be severed from the stump.

Unit # Acres

Total Acres

• General unit: Minimum spacing of 30 feet for the remaining trees.

• Within 150 feet of private land: Minimum spacing of 30 feet for all remaining trees.

• Fall all Junipers: The lowest live limbs must be severed from the stump

Treatment Provision for

All Units

DESIRED OUTCOME

• The expected result of this project is, 1) Thin the timber stands to a desired stocking level, 2) Reduce hazardous ladder fuels, and 3) Create a slash bed that will allow for prescribed burning when conditions allow. The result of activities performed under this call/task order would produce areas where a wildfire (should it occur) could be contained quickly. Providing a safe working environment for firefighters to improve their probability of success in suppressing wildfires on Forest Service lands, produce less damage to natural resources, and to reduce the impact of wildfire to adjacent private citizens property, structures, and other values at risk.

District Silviculturist Signature:

2025-05-07T14:29:58-0700
JOSEPH SCIARRINO

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