Common use of Thinning Specifications Clause in Contracts

Thinning Specifications. PURCHASER shall comply with the following requirements for selecting residual conifer trees on Areas I, II, and III, except for those specifications mentioned in the section titled, “Felling”: (a) Residual tree spacing shall be varied to preserve the trees of good form and vigor with the largest diameter and height and maintain a residual stand structure within the following limits: (1) Residual basal area on each acre shall be at least 105 square feet and not more than 120 square feet for Area I, and at least 110 square feet and not more than 125 square feet for Area II; and at least 130 square feet and not more than 145 square feet for Area III. (2) The relative density target on the timber sale area is 26 on Area I, 29 on Area II, and 33 on Area III. STATE reserves the right to alter the residual basal area requirement where necessary to obtain the relative density target. Relative density is calculated by dividing the residual basal area by the square root of the average residual stand DBH. (3) Residual average stand DBH shall not be less than 12 inches on Area I, and 13 inches on Area II, and 13 inches on Area III. (b) Acceptable residual conifer trees are those having a live crown ratio of at least 30 percent, and without sweep, scarring, disease, or leaning more than 10 degrees from vertical. Conifer trees with multiple tops and crooks are acceptable if the defect is at least 40 feet above the ground. In portions of the stand where there are insufficient acceptable conifer trees to meet the residual specifications listed above, trees with the least defect and largest diameter, height, and live crown shall be preserved. (c) Conifers less than 7 inches DBH, hardwoods, and cedars shall not be counted when calculating the residual specifications listed above. (d) In portions of the stand, where there are insufficient conifer trees to meet the residual specifications listed above, PURCHASER shall also leave hardwood trees to meet the minimum basal area requirements in (a) above. (e) Portions of the timber sale area may have an insufficient number of trees to make thinning silviculturally desirable, as determined by STATE. PURCHASER may propose to exclude such areas from the thinning specifications and felling requirements. PURCHASER shall designate on the operations plan and mark on the ground proposed excluded areas. Proposed areas approved by STATE shall be excluded from the thinning specifications and felling requirements. If the above conditions are not met by PURCHASER, STATE reserves the right to suspend felling until corrective measures have been taken by PURCHASER, as directed by STATE. Corrective measures include, but are not limited to: (A) Replacement of cutters by PURCHASER; and (B) Approval of cutters by STATE based on cutter’s satisfactory completion of STATE test plots.

Thinning Specifications. PURCHASER shall comply with the following requirements for selecting residual conifer trees on Areas I, II, and IIIthe timber sale area, except for those specifications mentioned listed in the section titled, “Felling”: (a) Residual tree spacing shall be varied to preserve the trees of good form and vigor with the largest diameter and height and maintain a residual stand structure within the following limits: (1) : Residual basal area on each acre shall be at least 105 115 square feet and not more than 120 130 square feet for Cutting Area I, A; and at least 110 100 square feet and not more than 125 110 square feet for Cutting Area II; and at least 130 square feet and not more than 145 square feet for Area III. B (2) The relative density target on the timber sale area is 26 on Area I, 29 on Area II, and 33 on Area III. STATE reserves the right to alter the residual basal area requirement where necessary to obtain the relative density target. Relative density is calculated by dividing the residual basal area by the square root of the average residual stand DBH. (3) Residual average stand DBH shall not be less than 12 inches on Area I, and 13 inches on Area II, and 13 inches on Area IIIsee Exhibit F). (b) Acceptable residual conifer trees are those having a live crown ratio of at least 30 percent, and without sweep, scarring, disease, or leaning more than 10 degrees from vertical. Conifer trees with multiple tops and crooks are acceptable if the defect is at least 40 feet above the ground. In portions of the stand where there are insufficient acceptable conifer trees to meet the residual specifications listed above, trees with the least defect and largest diameter, height, and live crown shall be preserved. (c) Conifers less than 7 6 inches DBH, hardwoods, DBH and cedars hardwoods shall not be counted when calculating the residual specifications listed above. (d) In portions of the stand, where there are insufficient conifer trees to meet the residual specifications listed above, PURCHASER shall also leave hardwood trees to meet the minimum basal area requirements in (a) above. (e) Portions of the timber sale area may have an insufficient number of trees to make thinning silviculturally desirable, as determined by STATE. PURCHASER may propose to exclude such areas from the thinning specifications and felling requirements. PURCHASER shall designate on the operations plan and mark on the ground proposed excluded areas. Proposed areas approved by STATE shall be excluded from the thinning specifications and felling requirements. If the above conditions are not met by PURCHASER, STATE reserves the right to suspend felling until corrective measures have been taken by PURCHASER, as directed by STATE. Corrective measures include, but are not limited to: (A1) Replacement of cutters by PURCHASER; and (B2) Approval of cutters by STATE based on cutter’s satisfactory completion of STATE test plots.

Thinning Specifications. PURCHASER shall comply with the following requirements for selecting residual conifer trees on Areas I, II, and III, except for those specifications mentioned in the section titled, “Felling”timber sale area: (a) Residual tree spacing shall be varied to preserve the trees of good form and vigor with the largest diameter and height and maintain a residual stand structure within the following limits: (1) Residual basal area on each acre shall be at least 105 90 square feet and not more than 120 110 square feet for Area IAreas II, IV, and VI; and at least 110 square feet and not more than 125 130 square feet for Area IIVII; and at least 130 square feet and not more than 145 150 square feet for Area III.Areas I and V. (2) The relative density target on the timber sale area is 26 on Area I, 29 on Area II, and 33 on Area III. STATE reserves the right to alter the residual basal area requirement where necessary to obtain the relative density target. Relative density is calculated by dividing the residual basal area by the square root of the average residual stand DBH. (3) Residual average stand DBH shall not be less than 12 20 inches on Area I, and 13 12 inches on Area II, and 14 inches on Area IV, 22 inches on Area V, 13 inches on Area IIIVI, and 15 inches on Area VII. (b) Acceptable residual conifer trees are those having a live crown ratio of at least 30 percent, and without sweep, scarring, disease, or leaning more than 10 degrees from vertical. Conifer trees with multiple tops and crooks are acceptable if the defect is at least 40 feet above the ground. In portions of the stand where there are insufficient acceptable conifer trees to meet the residual specifications listed above, trees with the least defect and largest diameter, height, and live crown shall be preserved. (c) Conifers less than 7 8 inches DBH, hardwoods, DBH and cedars hardwoods shall not be counted when calculating the residual specifications listed above. (d) In portions of the stand, where there are insufficient conifer trees to meet the residual specifications listed above, PURCHASER shall also leave hardwood trees to meet the minimum basal area requirements in (a) above. (e) Portions of the timber sale area may have an insufficient number of trees to make thinning silviculturally desirable, as determined by STATE. PURCHASER may propose to exclude such areas from the thinning specifications and felling requirements. PURCHASER shall designate on the operations plan and mark on the ground proposed excluded areas. Proposed areas approved by STATE shall be excluded from the thinning specifications and felling requirements. If the above conditions are not met by PURCHASER, STATE reserves the right to suspend felling until corrective measures have been taken by PURCHASER, as directed by STATE. Corrective measures include, but are not limited to: (A) Replacement of cutters by PURCHASER; and (B) Approval of cutters by STATE based on cutter’s satisfactory completion of STATE test plots.

Thinning Specifications. PURCHASER shall comply with the following requirements for selecting residual conifer trees on Areas I, II, and IIIthe timber sale area, except for those specifications mentioned in the section titled, “Felling”: (a) Residual tree spacing shall be varied to preserve the trees of good form and vigor with the largest diameter and height and maintain a residual stand structure within the following limits: (1) Residual basal area on each acre shall be at least 105 square feet and not more than 120 square feet for Area I, and at least 110 square feet and not more than 125 square feet for Area II; and at least 130 square feet and not more than 145 150 square feet for Areas I, III, and IV; and at least 90 square feet and not more than 110 square feet for Areas II and VI; and at least 50 square feet and not more than 70 square feet for Area III.V. (2) The relative density target on the timber sale area is 26 31 on Areas I, III, and IV, 20 on Areas II and VI, and 13 on Area I, 29 on Area II, and 33 on Area III. V. STATE reserves the right to alter the residual basal area requirement where necessary to obtain the relative density target. Relative density is calculated by dividing the residual basal area by the square root of the average residual stand DBH. (3) Residual average stand DBH shall not be less than 12 21 inches on Areas I, III, and IV, 26 inches on Areas II and VI, and 23 inches on Area I, and 13 inches on Area II, and 13 inches on Area III.V. (b) Acceptable residual conifer trees are those having a live crown ratio of at least 30 percent, and without sweep, scarring, disease, or leaning more than 10 degrees from vertical. Conifer trees with multiple tops and crooks are acceptable if the defect is at least 40 feet above the ground. In portions of the stand where there are insufficient acceptable conifer trees to meet the residual specifications listed above, trees with the least defect and largest diameter, height, and live crown shall be preserved. (c) Conifers less than 7 8 inches DBH, hardwoods, DBH and cedars hardwoods shall not be counted when calculating the residual specifications listed above. (d) In portions of the stand, where there are insufficient conifer trees to meet the residual specifications listed above, PURCHASER shall also leave hardwood trees to meet the minimum basal area requirements in (a) above. (e) Portions of the timber sale area may have an insufficient number of trees to make thinning silviculturally desirable, as determined by STATE. PURCHASER may propose to exclude such areas from the thinning specifications and felling requirements. PURCHASER shall designate on the operations plan and mark on the ground proposed excluded areas. Proposed areas approved by STATE shall be excluded from the thinning specifications and felling requirements. If the above conditions are not met by PURCHASER, STATE reserves the right to suspend felling until corrective measures have been taken by PURCHASER, as directed by STATE. Corrective measures include, but are not limited to: (A) Replacement of cutters by PURCHASER; and (B) Approval of cutters by STATE based on cutter’s satisfactory completion of STATE test plots.

Thinning Specifications. PURCHASER shall comply with the following requirements for selecting residual conifer trees on Areas I, II, and IIII through VII, except for those specifications mentioned in the section titled, “Felling”: (a) Residual tree spacing shall be varied to preserve the trees of good form and vigor with the largest diameter and height and maintain a residual stand structure within the following limits: (1) : Residual basal area on each acre shall be at least 105 square feet and not more than 120 square feet for Stand Structure Target Levels Area I, and at least 110 square feet and not more than 125 square feet for Area II; and at least 130 square feet and not more than 145 square feet for Area III. (2) The relative density target on the timber sale area is 26 on Area I, 29 on Area II, and 33 on Area III. STATE reserves the right to alter the residual basal area requirement where necessary to obtain the relative density target. Trees per Acre Diameter Relative density is calculated by dividing the residual basal area by the square root of the average residual stand DBH. (3) Residual average stand DBH shall not be less than 12 inches on Area I, and 13 inches on Area II, and 13 inches on Area III.Density (b) Acceptable residual conifer trees are those having a live crown ratio of at least 30 percent, and without sweep, scarring, disease, or leaning more than 10 degrees from vertical. Conifer trees with multiple tops and crooks are acceptable if the defect is at least 40 feet above the ground. In portions of the stand where there are insufficient acceptable conifer trees to meet the residual specifications listed above, trees with the least defect and largest diameter, height, and live crown shall be preserved. (c) Conifers less than 7 6 inches DBH, hardwoods, DBH and cedars hardwoods shall not be counted when calculating the residual specifications listed above. (d) In portions of the stand, where there are insufficient conifer trees to meet the residual specifications listed above, PURCHASER shall also leave hardwood trees to meet the minimum basal area requirements in (a) above. (e) Portions of the timber sale area may have an insufficient number of trees to make thinning silviculturally desirable, as determined by STATE. PURCHASER may propose to exclude such areas from the thinning specifications and felling requirements. PURCHASER shall designate on the operations plan and mark on the ground proposed excluded areas. Proposed areas approved by STATE shall be excluded from the thinning specifications and felling requirements. If the above conditions are not met by PURCHASER, STATE reserves the right to suspend felling until corrective measures have been taken by PURCHASER, as directed by STATE. Corrective measures include, but are not limited to: (A1) Replacement of cutters by PURCHASER; and (B2) Approval of cutters by STATE based on cutter’s satisfactory completion of STATE test plots.

Thinning Specifications. PURCHASER shall comply with the following requirements for selecting residual conifer trees on the timber sale area, except in Areas I6, II11, and III, except for those specifications mentioned in the section titled, “Felling”:12. (a) Residual tree spacing shall be varied to preserve the trees of good form and vigor with the largest diameter and height and maintain a residual stand structure within the following limits: (1) Residual conifer basal area on each acre shall be at within the basal area ranges shown below for the listed timber sale areas: Area 1 - At least 105 120 square feet and not more than 160 square feet Area 2 - At least 80 square feet and not more than 120 square feet for Area I, and at 3 - At least 110 120 square feet and not more than 125 160 square feet for Area II; and at 4 - At least 130 140 square feet and not more than 145 180 square feet for Area III5 - At least 160 square feet and not more than 180 square feet Area 7 - At least 160 square feet and not more than 180 square feet Area 8 - At least 80 square feet and not more than 120 square feet Area 10 - At least 80 square feet and not more than 120 square feet The basal areas listed above are subject to the requirement (Section 57) to fell all trees which show evidence of infection with Phellinus weirii, or are within 15 feet of an infected tree. (2) The relative density target on the timber sale area is 26 on Area I, 29 on Area II, and 33 on Area III. STATE reserves the right to alter the residual basal area requirement where necessary to obtain the relative density target. Relative density is calculated by dividing the residual basal area by the square root of the Residual stand average residual stand DBH. (3) Residual average stand DBH shall not be less than 12 inches on Area I, and 13 inches on Area II, and 13 inches on Area III.listed below for each timber sale area: (b) Acceptable residual conifer trees are those having a live crown ratio of at least 30 percent, and without sweep, scarring, disease, or leaning more than 10 degrees from vertical. Conifer trees with multiple tops and crooks are acceptable if the defect is at least 40 feet above the ground. In portions of the stand where there are insufficient acceptable conifer trees to meet the residual specifications listed above, trees with the least defect and largest diameter, height, and live crown shall be preserved. (c) Conifers less than 7 10 inches DBH, hardwoodshardwoods , and cedars shall not be counted when calculating the residual specifications listed above. (d) In portions the following sale areas, all alder shall be felled and removed, regardless of the standresidual stand basal area: Areas 1, where there are insufficient conifer trees to meet the residual specifications listed above3, PURCHASER shall also leave hardwood trees to meet the minimum basal area requirements in (a) above8, and 10. (e) Portions of In the timber following sale area may have an insufficient number of areas, all hemlock trees to make thinning silviculturally desirableare reserved from felling and harvest: Areas 1, as determined by STATE. PURCHASER may propose to exclude such areas from the thinning specifications 2, and felling requirements. PURCHASER shall designate on the operations plan and mark on the ground proposed excluded areas. Proposed areas approved by STATE shall be excluded from the thinning specifications and felling requirements3. If the above conditions are not met by PURCHASER, STATE reserves the right to suspend felling until corrective measures have been taken by PURCHASER, as directed by STATE. Corrective measures include, but are not limited to: (A) Replacement of cutters by PURCHASER; and (B) Approval of cutters by STATE based on cutter’s satisfactory completion of STATE test plots.

Thinning Specifications. PURCHASER shall comply with the following requirements for selecting residual conifer trees on Areas I, II, III, and IIIIV, except for those specifications mentioned listed in the section titled, “Felling”: (a) Residual tree spacing shall be varied to preserve the trees of good form and vigor with the largest diameter and height and maintain a residual stand structure within the following limits: (1) Residual basal area on each acre shall be at least 105 100 square feet and not more than 120 square feet for Area Areas I, II, III, and at least 110 square feet and not more than 125 square feet for Area II; and at least 130 square feet and not more than 145 square feet for Area IIIIV. (2) The relative density target on the timber sale area is 26 on Area I, 29 on Area II, and 33 on Area III. STATE reserves the right to alter the residual basal area requirement where necessary to obtain the relative density target. Relative density is calculated by dividing the residual basal area by the square root of the average residual stand DBH. (3) Residual average stand DBH shall not be less than 12 20 inches on Area Areas I, and 13 inches on Area II, III, and 13 inches on Area IIIIV. (b) Acceptable residual conifer trees are those having a live crown ratio of at least 30 percent, and without sweep, scarring, disease, or leaning more than 10 degrees from vertical. Conifer trees with multiple tops and crooks are acceptable if the defect is at least 40 feet above the ground. In portions of the stand where there are insufficient acceptable conifer trees to meet the residual specifications listed above, trees with the least defect and largest diameter, height, and live crown shall be preserved. (c) Conifers less than 7 8 inches DBH, hardwoods, and cedars shall not be counted when calculating the residual specifications listed above. (d) In portions of the stand, where there are insufficient conifer trees to meet the residual specifications listed above, PURCHASER shall also leave hardwood trees to meet the minimum basal area requirements in (a) above. (e) Portions of the timber sale area may have an insufficient number of trees to make thinning silviculturally desirable, as determined by STATE. PURCHASER may propose to exclude such areas from the thinning specifications and felling requirements. PURCHASER shall designate on the operations plan and mark on the ground proposed excluded areas. Proposed areas approved by STATE shall be excluded from the thinning specifications and felling requirements. If the above conditions are not met by PURCHASER, STATE reserves the right to suspend felling until corrective measures have been taken by PURCHASER, as directed by STATE. Corrective measures include, but are not limited to: (A) Replacement of cutters by PURCHASER; and (B) Approval of cutters by STATE based on cutter’s satisfactory completion of STATE test plots.

Thinning Specifications. PURCHASER shall comply with the following requirements for selecting residual conifer trees on Areas I1, II2, and III, except for those specifications mentioned in the section titled, “Felling”3: (a) Residual tree spacing shall be varied to preserve the trees of good form and vigor with the largest diameter and height and maintain a residual stand structure within the following limits: (1) Residual basal area on each acre shall be at least 105 140 square feet and not more than 120 160 square feet for Area IAreas 1, 2, and at least 110 square feet and not more than 125 square feet for Area II; and at least 130 square feet and not more than 145 square feet for Area III3. (2) The relative density target on the timber sale area is 26 32 percent on Area IAreas 1, 29 on Area II2, and 33 on Area III3. STATE reserves the right to alter the residual basal area requirement where necessary to obtain the relative density target. Relative density is calculated by dividing the residual basal area by the square root of the average residual stand DBH. (3) Residual average stand DBH shall not be less than 12 18 inches on Area IAreas 1, 2, and 13 inches on Area II, and 13 inches on Area III3. (b) Acceptable residual conifer trees are those having a live crown ratio of at least 30 percent, and without sweep, scarring, disease, or leaning more than 10 degrees from vertical. Conifer trees with multiple tops and crooks are acceptable if the defect is at least 40 feet above the ground. In portions of the stand where there are insufficient acceptable conifer trees to meet the residual specifications listed above, trees with the least defect and largest diameter, height, and live crown shall be preserved. (c) Conifers less than 7 8 inches DBH, hardwoods, and cedars DBH shall not be counted when calculating the residual specifications listed above. (d) In portions of the stand, where there are insufficient conifer trees to meet the residual specifications listed above, PURCHASER shall also leave hardwood trees to meet the minimum basal area requirements in (a) above. (e) Portions of the timber sale area may have an insufficient number of trees to make thinning silviculturally desirable, as determined by STATE. PURCHASER may propose to exclude such areas from the thinning specifications and felling requirements. PURCHASER shall designate on the operations plan and mark on the ground proposed excluded areas. Proposed areas approved by STATE shall be excluded from the thinning specifications and felling requirements. If the above conditions are not met by PURCHASER, STATE reserves the right to suspend felling until corrective measures have been taken by PURCHASER, as directed by STATE. Corrective measures include, but are not limited to: (A) Replacement of cutters by PURCHASER; and (B) Approval of cutters by STATE based on cutter’s satisfactory completion of STATE test plots.

Thinning Specifications. PURCHASER shall comply with the following requirements for selecting residual conifer trees on Areas I1, II2, 4, 5, 6, 7, 8, and III, except for those specifications mentioned in the section titled, “Felling”9: (a) Residual tree spacing shall be varied to preserve the trees of good form and vigor with the largest diameter and height and maintain a residual stand structure within the following limits: (1) Residual conifer* basal area on each acre shall be at within the basal area ranges shown below for the listed timber sale areas: Areas 1 & 2* - At least 105 100 square feet and not more than 120 140 square feet for Area I, and at 4 - At least 110 120 square feet and not more than 125 160 square feet for Area II; and at Areas 5 & 6 - At least 130 140 square feet and not more than 145 180 square feet for Area III7 - At least 140 square feet and not more than 180 square feet Area 8* - At least 160 square feet and not more than 200 square feet Area 9 - At least 140 square feet and not more than 180 square feet *In Areas 1, 2, and 8, all conifers and red alders shall be considered when determining which trees to leave within the above listed basal area ranges. (2) The relative density target on the timber sale area is 26 on Area I, 29 on Area II, and 33 on Area III. STATE reserves the right to alter the residual basal area requirement where necessary to obtain the relative density target. Relative density is calculated by dividing the residual basal area by the square root of the Residual stand average residual stand DBH. (3) Residual average stand DBH shall not be less than 12 listed below for each timber sale area: Areas 1 & 2 - 14 inches on Area I, and 13 4 - 23 inches on Area II, and 13 inches on Area III.Areas 5 & 6 - 22 inches (b) Acceptable residual conifer trees are those having a live crown ratio of at least 30 percent, and without sweep, scarring, disease, or leaning more than 10 degrees from vertical. Conifer trees Trees with multiple tops and crooks are acceptable if the defect is at least 40 feet above the ground. In portions of the stand where there are insufficient acceptable conifer trees to meet the residual specifications listed above, trees with the least defect and largest diameter, height, and live crown shall be preserved. (c) Conifers Trees less than 7 8 inches DBHDBH in Areas 1, hardwoods2, and cedars 8 shall not be counted when calculating the residual specifications listed above. (d) In portions of the stand, where there are insufficient conifer trees to meet the residual specifications listed above, PURCHASER shall also leave hardwood trees to meet the minimum basal area requirements in (a) above. (e) Portions of the timber sale area may have an insufficient number of trees to make thinning silviculturally desirable, as determined by STATE. PURCHASER may propose to exclude such areas from the thinning specifications and felling requirements. PURCHASER shall designate on the operations plan and mark on the ground proposed excluded areas. Proposed areas approved by STATE shall be excluded from the thinning specifications and felling requirements. If the above conditions are not met by PURCHASER, STATE reserves the right to suspend felling until corrective measures have been taken by PURCHASER, as directed by STATE. Corrective measures include, but are not limited to: (A) Replacement of cutters by PURCHASER; and (B) Approval of cutters by STATE based on cutter’s satisfactory completion of STATE test plots.