Unit Acreage Specifications. Unit # Gross Acres Net Acres Total Deletions Existing Roads Leave Tree Acres Power Line Other 2 94.16 94.16 0.00 3 68.35 64.35 4.00 4.00 4 68.12 68.12 0.00 5 83.20 81.70 1.50 1.50 ROW6 2.90 2.90 0.00 Total 415.68 406.98 8.70 7.20 1.50 0.00 0.00 Cruise Sample Design: This timber sale was cruised using the variable plot sampling method. The double basal area system was employed; a small BAF to determine Basal Area (count trees) and a large BAF to determine the Volume-Basal Area Ratio (cruise trees). Each plot was a full plot. Plot locations were created using a computer generated grid, and found using a hand held GPS unit. Unit # Small BAF (count) Large BAF (cruise) Sighting height Grid size (plot spacing in feet) % Cruise to count Target % Cruise to count Actual Total number of Plots 1 33.61 100.28 D4H 310’ x 310’ 33% 38% 43 2 33.61 100.28 D4H 310’ x 310’ 33% 30% 41 3 27.78 80.28 D4H 310’ x 310’ 33% 36% 32 4 33.61 100.28 D4H 310’ x 310’ 33% 43% 32 5 40 122.5 D4H 310’ x 310’ 33% 36% 37 ROW6 33.61 n/a D4H 200’ 100% 100% 17 Total 44% 43% 202 Cruise Specifications: Minor species cruise intensity: We grade the first tree of all minor species encountered with the smaller BAF; then followed through with the small BAF to large BAF ratio. Minimum top dib: Ponderosa pine and western red cedar: Trees less than 17.5” DBH have a minimum top of 5.6” dib. Trees 17.6” and greater DBH have a minimum top dib of 40% of DOB at 16’or a 6” top whichever is greater. All other species: Trees less than 17.5” DBH have a minimum top of 4.6” dib. Trees 17.6” and greater DBH have a minimum top dib of 40% of DOB at 16’or a 6” top whichever is greater. Minimum dbh: Ponderosa pine and western red-cedar: 8.0 inches DBH All other species: 7.0 inches DBH Log lengths: Saw logs: 32 feet where possible, minimum of 12 feet Firewood: 40 feet where possible, minimum of 12 feet Utility: 16 feet where possible, minimum of 12 feet Take / Leave tree description: Harvest all timber nor marked with purple paint, and all dead standing and down timber except for 2-2-2. Leave the two largest snags per acre, preferred snags are western larch and Xxxxxxx fir. Cut all timber between orange Right-of-Way tags exterior to the timber sale units. Commercial species observed in sale area, but not in cruise: Utility wood: Comprised of non-board foot volume and volume below the minimum top diameter of 5” or 40% of DOB at 16’ to a minimum of a 2.6” top. Status codes used: D - dead Sort codes used D – saw log, U – util...
Unit Acreage Specifications. Unit # Gross Acres Net Acres Total Deletions RMZ / WMZ Leave Tree Acres Existing Roads Other 2 6.85 6.65 0.20 0.20 3 93.41 90.26 3.15 1.25 1.90 4 92.35 91.90 0.45 0.45 5 63.88 62.98 0.90 0.50 0.40 6 94.83 94.70 0.13 0.13 7 4.15 4.01 0.14 0.14 8 25.63 24.55 1.08 1.00 0.08 9 96.47 94.75 1.72 0.60 1.12 Total 577.17 568.20 8.97 0.00 3.35 5.62 0.00 Cruise Sample Design: Units 1 to 7 and 9 were cruised using the variable plot sampling method. The double basal area system was employed; a small BAF to determine Basal Area (count trees) and a large BAF to determine the Volume-Basal Area Ratio (cruise trees). Each plot was a full plot. Plot locations were created using a computer generated grid, and found using a hand held GPS unit. Unit 8 was strip cruised on a 20% grid. Unit # Small BAF (count) Large BAF (cruise) Sighting height Grid size (plot spacing in feet) % Cruise to count Target % Cruise to count Actual Total number of Plots 1 33.61 134.44 D4H 310 x 310 25% 29.8% 40 2 20.00 20.00 D4H 310 x 310 100% 100.0% 3 3 27.78 111.11 D4H 310 x 310 25% 27.2% 43 4 27.78 111.11 D4H 310 x 310 25% 28.9% 41 5 20.00 62.50 D4H 310 x 310 32% 31.7% 27 6 27.78 111.11 D4H 310 x 310 25% 24.4% 41 7 20.00 20.00 D4H 310 x 310 100% 100.0% 2 8 20% Strip Cruise D4H 330 x330 100% 100.0% 12 9 33.61 134.44 D4H 310 x 310 25% 23.1% 40 Total 50.1% 249 Cruise Specifications: Minor species cruise intensity: We grade the first tree of all minor species encountered with the smaller BAF; then followed through with the small BAF to large BAF ratio. Minimum top dib: Ponderosa pine: Trees less than 17.5” DBH have a minimum top of 5.6” dib. Trees 17.6” and greater DBH have a minimum top dib of 40% of DOB at 16’or a 6” top whichever is greater. All other species: Trees less than 17.5” DBH have a minimum top of 4.6” dib. Trees 17.6” and greater DBH have a minimum top dib of 40% of DOB at 16’or a 6” top whichever is greater. Minimum dbh: Ponderosa pine: 8.0 inches DBH All other species: 7.0 inches DBH Log lengths: Saw logs: 32 feet where possible, minimum of 12 feet Utility: 16 feet where possible, minimum of 12 feet Take / Leave tree description: Xxxxx 0-0, 0, 0 & 0 Xxxxxxx all green conifers that meet the minimum cruise specifications and are not banded with blue paint. Units 5 & 8 Harvest all green conifers that meet the minimum cruise specifications and are not banded with purple paint. Commercial species observed in sale area, but not in cruise: Utility wood: Comprised of non-board foot volume and vo...
