2. DRAFT_Sunflower G-Z IRSC Appendix A.pdf

Sunflower G-Z Stewardship IRSC Kaibab National Forest Page 1 of 13 Williams Ranger District

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APPENDIX A

TECHNICAL SPECIFICATIONS FOR SERVICE WORK ITEMS

SECTION I – DESCRIPTION OF WORK:

The objectives of this project are for the contractor to complete the end-results from NEPA handoff through final completion of the project area. Contractors shall identify what work activities are needed across all project acres to meet the desired end-result objectives that shall be presented in maps and a detailed Implementation Plan prior to commencing on the ground delineation of project units. After the initial Implementation Plan has been accepted and approved, contractors will then: conduct heritage and botany surveys in areas that have not previously been surveyed within timber removal units, develop silvicultural prescriptions for each of the timber removal units, perform on the ground delineation of timber removal units, perform on the ground delineation of non-commercial treatment units, create a detailed logging plan with maps, complete the cruise for the Timber Removal Treatment Area, and complete all on the ground timber removal and work activities.

SECTION II – GOVERNMENT FURNISHED PROPERTY

The government will provide the following item(s) of Government property to the Contractor for use in the performance of this contract. This property shall be used and maintained by the Contractor in accordance with FAR clause 52.245-1 Government Property incorporated by reference in the contract.

1. Tree marking paint with registered tracer and material safety data sheet (refer to accountability standards listed below).

Tree Marking Paint – Accountability and Handling (Attachment 1 – USFS Region 3 Tracer Paint Accountability Plan and Attachment 2 – Region 3 Tree Marking Contractor’s Daily Paint Accountability Log)

Disposal of Tracer Paint Containers –Empty tracer paint containers shall be returned to the Forest Service for disposal. Paint cans shall be returned to their proper box, upside down, and have the lids left off to dry out before returning to the Forest Service. Lids will be disposed of separately in the conventional fashion.

SECTION III – WORK ITEMS

Mandatory Item 1: Survey Project Area – Design Implementation Plan, Road Analysis Plan, and Preliminary Contract Area Map

Entire Project Area (10,017 acres)

1. Survey Project Area:

Initial survey of the project area shall identify and distinguish treatment areas following the objectives of the Four-Forest Restoration Initiative (4FRI). Within the identified Treatment Areas, treatment types shall be classified as the following:

• Timber Removal – Ponderosa pine based on timber merchantability and specifications for areas that fit the prescriptions described in the 4FRI decision.

i. Typically, commercial units consist of at least 170ft2 of basal area and trees averaging at least 10” DBH. In general, about half of the timber removal units on the Kaibab have enough small trees (<6” DBH) at a high enough density to warrant removal.

Units that do not have enough volume to justify commercial treatment may be

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Revised 01.06.2022 candidates for small tree thinning <9” DBH with hand thinning and hand piling, or, occasionally, meadow restoration with a piling of commercial-sized but low-volume material.

• Non-Commercial – Ponderosa pine and juniper less than 9” DBH within stands designated for timber removal and/or areas that do not fit any of the provided Timber Removal prescriptions.

2. Design Implementation Plan:

Within the Treatment Areas differentiate harvest units based on likely prescriptions and stand type.

Clearly identify where Non-commercial treatments overlap. Create a preliminary Contract Area Map delineating multiple Treatment Areas.

• Timber Removal Areas:

i. Divide the project area’s 10,017 gross acres into multiple Timber Treatment Areas.

ii. Clearly identify Timber Removal and Service Only treatments per Timber Treatment Area and where timber removal and services overlap (i.e., non-commercial treatment areas).

iii. Within the Treatment Areas, differentiate treatment units based on treatment, complexity, stand type, and associated Item number.

• Service Treatment Plan: In order of treatment needs and preference, identify areas for service work.

i. Service Only treatment plan and maps shall identify type of treatment, unit boundaries, and areas of resource concern.

ii. Service Treatments shall define complexity level based on trees per acre to be cut.

Contractor shall supply cruise data to support complexity determination.

iii. Clearly identify where Timber Removal and Service Only treatments overlap.

iv. Service Treatments shall be classified as one of the following. Treatments are described further in Optional Work Item specifications below.

1. Mechanical Cut and Pile of Non-Commercial (Low or High Complexity)

2. Plantation Units – Cut, Skid and Deck Non-Saw Timber (Low or High

Complexity)

3. Hand Thin/Hand Pile (Low or High Complexity)

4. Mastication (Low or High Complexity)

5. Meadow Units - Fell, Lop, And Scatter

6. Areas that do not fit any of the provided treatments. Contractor may propose a treatment for consideration by FS or will be no treatment areas.

3. Road Analysis Plan: Two plans will be developed for the Road Analysis Plan.

• Road maintenance commensurate with product removal.

i. Identify road maintenance requirement needs following requirement specifications provided in Appendix C, for pre, during, and post haul for Forest Service system roads that are associated with product removal.

ii. Create a detailed map of road maintenance requirements.

iii. Complete road maintenance requirement tables provided in Appendix C.

iv. Cost centers associated with completion of road maintenance shall be estimated using the accepted plan and standard FS procedures. Costs will be incorporated into the final Timber Appraisals. Road maintenance work will be commensurate with use associated with Item 9.

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• Reconstruction plan commensurate with product removal.

i. Perform road survey and reconnaissance to identify road re-construction needs for all

Forest Service system roads associated with haul routes.

ii. Use the road list provided in Appendix C for roads needing re-construction recon.

iii. Complete the reconstruction plans using the example provided in Appendix D. State Licensed engineer is required to produce such plans, using suitable applications that will produce a final package including all requirements as the example in Appendix D.

Assemble plans and specifications in accordance with the “Standard Specifications of Construction of Roads and Bridges on Federal Highway Projects, FP-14”, issued by the Federal Highway Administration.

iv. Create a detailed map of road reconstruction requirements.

v. Road package design may include any work listed under Item 8.

vi. Plan shall be designed with a “least-cost” objective for the least amount of reconstruction needed for product removal and project completion.

vii. Calculations shall be complete, legible, and include enough sketches, to be readily understood by a qualified engineer. All assumptions shall be clearly shown or stated.

• Provide the Forest Service with detailed maps, road maintenance requirement tables, and re-construction needs for review and concurrence. Once the contractor and Forest Service agree upon road maintenance plans, and re-construction plan, Appendix C and D will be finalized and added through contract modifications. Quantities in the accepted Appendix D will modify estimated quantities to true quantities for Item 8.

• Temporary roads will not be included in the Road Analysis Pan and should instead be included in the detailed logging plan. Re-construction plan will not apply to temporary roads.

4. Preliminary Contract Area Map:

Create preliminary Contract Area Map of the Project Area. The contractor shall generate Contract Area Maps digitally. All maps generated shall be georeferenced. All information and data shown on maps shall be supplied to the Forest Service in the form of shapefiles for use in ArcGIS.

Contract Area Maps shall:

• Identify each Timber Treatment Area’s boundary.

• Show treatment unit acres and linear measurement of perimeter layout. Differentiate between painted and tagged, Virtual, or discernable boundaries using instructions from Attachment 1 - Forest Product Accountability Action Plan.

o This attachment has specific information on which boundaries require flagged/tagged/painted/GPS vs. virtual boundaries.

o Contractor is to maximize use of virtual boundaries relative to the direction in this attachment.

• Show roads identified in Road Analysis Plan for Road maintenance and Re-construction.

• Identify protected improvements.

• Identify seasonal operation restrictions.

• Identify sensitive and invasive species.

• Identify no treat areas provided by the Forest Service and identified by the contractor.

• Identify Service Treatment areas and differentiate areas by treatment type.

• Identify Timber Removal treatment units and differentiate units by prescription.

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The contractor is to perform Item 1 on the entire project area (~10,017 acres). The resulting Implementation Plan shall be divided into multiple units based on individual unit location, road access, topographical features, and natural stand breaks.

Prior to issuing the Notice to Proceed for Mandatory Items 2 - 5, contractor and Forest Service shall mutually agree on the proposed treatment units needing retention areas/layout. Draft Treatment Unit Plans that have been submitted early, inspected, and accepted by FS may receive Notice to Proceed to start layout prior to full acceptance of Item 1. FS will modify this contract to reflect actual required quantities of Items 3-5 once Item 1 is accepted and any un-used obligated funds shall be shifted and used to award unfunded optional work. See Acceptance and Payment section below for partial payments for Item 1 only.

Mandatory Item 2: Design Detailed Logging Plan and Contract Area Maps

1. Logging Plan: Create detailed maps identifying individual treatment units within the Project Area boundary. For each Timber Removal treatment unit, the logging plan shall identify items such as but not limited to:

• Haul routes to the nearest appraisal point, temporary road locations (i.e., length and average grade for temporary roads, new and existing temporary road locations), landings, general skid trail patterns, average slope to landings, estimated number of landings, average skid distance broken down by adverse and favorable skidding, and any improvements or resources of concern to be protected.

• The logging plan should include any associated work activities (non-commercial thinning, etc.).

• The logging plan and maps shall identify the type of treatment, unit boundaries, and areas of resource concern.

• Treatment activities shall follow all applicable design features in the 4FRI Decision Notice and additional requirements based on the Kaibab National Land Management Plan, or other policies, laws or regulations.

2. Contract Area Maps: Create final Contract Area Maps built off of preliminary Maps. These maps shall show treatment unit acres and linear measurement of perimeter delineation. Virtual, discernable, or hard-line boundaries must be differentiated.

Upon completion and acceptance of Item 2, the estimated quantity for Items 3-5 will be populated via contract modification. Prior to populating Items 6-10, contractor and Forest Service will determine the proposed treatment units requiring additional resource protection.

Mandatory Item 3: Archaeological Surveys

Perform archaeological surveys in areas that have not previously been surveyed. Survey protocols are provided in Attachment XX - Sunflower Heritage Survey Protocol. Total survey acres will be calculated based on overlaying previously surveyed areas with treatment areas identified in items 1 and 2.

Mandatory Item 4: Botany Surveys

Perform botany surveys in areas that have not been previously surveyed. Botany survey protocols are provided in Attachment XX - Sunflower Botany Survey Protocol. Total survey acres will be calculated based on overlaying previously surveyed areas with treatment areas identified in items 1 and 2.

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Mandatory Item 5: Silviculture Prescription Writing

Develop silviculture prescriptions for Timber Removal and Non-commercial treatment units based on the 4FRI decision.

1. The prescription template provided in Attachment XX - Silv Rx - R3 Prescription Template may be used or another format that provides similar information can be used.

2. General silvicultural information and definitions are provided in Attachment XX - Silv Project-wide silvicultural guidelines and specific details within this document should be filled in by contractor.

3. Final silviculture prescriptions must be reviewed and approved by a Forest Service certified silviculturist.

Mandatory Item 6: Flag, Paint, and GPS Timber Removal Boundaries

1. Delineate Timber Removal and Non-commercial treatment units derived and agreed to from item 1. The attachment has specific information on which boundaries are required to be flagged/painted/GPS vs.

virtual boundaries. Contractor is to maximize use of virtual boundaries relative to the direction in this attachment.

2. All Timber Removal units shall meet the Area Determination requirements, as provided by the Forest Service for accuracy and closure of GPS polygons.

Mandatory Item 7: Cruise Design, Plan, Cruise Plots, and Final Volume Estimate:

1. The Contractor will be required to develop a cruise plan. Washington Office and Region 3 procedures and methods shall be provided and adhered to for product volume estimates. Collection of initial volume data will be required to design the production cruise and development of cruise plan. Additional samples may be needed to meet sampling errors for the production cruise. When the production cruise data is analyzed and it meets the required errors as set forth in Forest Service Handbook and Manual direction, the cruise data will be accepted by the Forest Service.

2. Determination of Advertised Rates: When the cruised volume estimate has been accepted, the Forest Service shall conduct an appraisal to establish the advertised rate. Advertised rates will not be established until after contract award. Appraisal entries such as skidding distances and hauling distances shall be obtained from the detailed logging plan and maps produced by contractor. Advertised Rates shall be determined by the Forest Service using standard Handbook and Manual guidelines and will be final and non-negotiable. Contractors will be allowed to add bid premiums to their price proposals that will be evaluated as part of the best value determination for award.

Once the Forest Service has completed the appraisal and established Advertised Rates for any included products, a contract modification will be necessary to award Optional Item 9 - Cut and Remove Included Timber. Once Item 9 is made mandatory through award, Contractor shall complete this item within three years.

If Optional Item 9 – Cut and Remove Included Timber is not awarded to the contractor for any reason, including election by the Contractor, then Optional Item 9 and Optional Item 10 – Non-commercial Thinning will then be solicited in a new contract open for competition.

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Optional Item 8 – Road Reconstruction:

See Appendix D for Specifications.

Optional Item 9 – Cut and Remove Included Timber:

1. Cut and remove from Contract Area Included Timber which meets the minimum tree specifications as identified in the contract. Total volume shall be determined once Item 7 has been completed.

a. Non-commercial treatments that overlap with this work can be done concurrently but should be discussed in Detailed logging plan from Item 2 how this will be accomplished.

Optional Item 10 – Non-commercial Thinning:

1. Cut all Ponderosa pine and all juniper species 1 foot in height and less than 6 inches Diameter at Breast Height (DBH) within all units awarded under Item 9.

2. Specifications for further treatment of this material will be provided at solicitation. Additional treatments could include lop and scatter or hand piling of all slash.

3. Other thinning specifications may be made necessary based on the findings related to Items 1 and 2.

4. If contractor and COR agree to remove material within these specs and meet min specs of biomass, TSA may be utilized to remove material and Appendix B and C would apply to removal.

SECTION III – CONTROL OF WORK

The Contractor agrees to conduct its operations under this contract and other related business activities in compliance with Federal, State, and local statutes, standards, orders, permits and other regulations.

The Contractor shall meet all State and local environmental quality laws applicable to National Forest system lands.

Work may be done any time during the term of the contract, except under the following conditions:

(1) When conditions are such that operations shall be restricted or ceased due to increased fire risk,

(2) When seasonal operating restrictions for active raptor nests are in effect. All active nest sites and areas of restriction will be shown on the contract area map,

(3) If new nests are discovered,

(4) When soil moisture conditions create excessive risk of damage to the soil,

(5) When snow depth creates a situation where requirements cannot be met and/or work cannot be inspected, as determined by the COR.

(6) The government reserves the right to prioritize the order in which Units are treated.

(7) If any cultural or archeological sites are discovered during operations of this contract, work will be suspended in the immediate vicinity of the site until a reconnaissance survey is completed by the Forest Archeologist. Areas excluded from treatment shall be deleted from the contract.

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SECTION IV – INSPECTION AND ACCEPTANCE

For All Work Items:

At any point during the project, the Contractor and/or Project Manager may request (documented through email, text, or hand-written request) an in the field consultation with the Forest Service to inspect work progress, review contract specifications, or clarify issues. The Forest Service shall respond to Contractor’s request within 5 working days, excluding weekends and federal holidays.

GOVERNMENT QUALITY ASSURANCE SURVEILLANCE PLAN

Government Inspection Procedures – Items 1-10

The COR, or a designated inspector (GTM), will make periodic inspections while work is in progress, usually daily at first, as needed to assure work is proceeding satisfactorily. The Contractor shall notify the COR when units are started, when problems are encountered and when contract work needs government oversight.

1. Each unit will be inspected as a separate unit. Unit will not be averaged with other units for acceptance or payment.

2. When units are completed and ready for government inspection, Contractor’s designated Project manager shall request unit inspection in writing, prior to moving out of the general area.

3. The COR, or designated inspector, will determine compliance with contract specifications through informal visual inspections. In the event visual inspection indicates work to be in non-compliance with specifications, prompt corrective action and/or rework shall be required.

Formal Government Inspection Procedures – Deliverables Deliverables are documents, maps, files, or data produced in work items 1, 2, 3, 4, 5, 6, and 7. All deliverables will either be accepted or returned to contractor for corrections.

1. In the event informal inspections indicate work and / or rework to be in non-compliance with contract specifications, the Government will perform a formal review to determine compliance with specifications.

2. Government inspection of deliverables will be evaluated based on quality and timeliness. Timeliness is determined by adherence to performance period deadlines provided in the Solicitation under Period of Performance.

3. Determination of acceptability of the work performed will be based on Government verification and will be considered conclusive.

4. For each verification of a deliverable, the Government will examine if the document, map, file, or data adheres to the specification listed in the sub items of the work description and follows direction in the provided NEPA documents and attachments.

Task Metric Type

Performance Standard Performance Indicator

Surveillance Method

All reports and other deliverables

Quality Reports and other deliverables are correct and provide information as outlined in work

Documents are complete and accurate 100% of the time.

COR or inspector reviews reports for completion and accuracy.

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All reports and other deliverables

Timely Reports submitted no later than the due dates

Documents are submitted timely 100% of the time.

COR or inspector accepts reports and documents date and time.

Unsatisfactory Deliverables

If work quality and timeliness don’t meet performance standards, the COR will immediately notify the Contractor, in writing, and order him to improve the quality of the documents, maps, files, or data. If the quality of subsequent deliverables doesn’t meet performance standards within the amount of time agreed to by the Government, the Contractor’s right to proceed may be terminated and the contract considered in default.

Government Inspection Procedures – Formal (Plots)

5. In the event visual inspection indicates work and / or rework to be in non-compliance with contract specifications, a series of verification plots shall be installed by the Government to determine compliance with specifications and percent of satisfactory work for treatment of each unit not meeting specification as observed with visual inspection.

6. Government verification plots will consist of a series of fixed area plots and variable radius plots along transects to record whether density, basal area, best tree selection, and other requirements are being met and to what extent.

7. Plots and grid will be distributed so that a representative sample is obtained.

8. The COR or designated inspector will mark the center of each plot on the ground using flagging, stakes, or pin flags. Additional flagging will be hung near the plot center so that it may be seen from a distance. The inspector will include the plot number, their initials and date on the flagging.

9. Plots will be numbered to correlate with the inspection form and transects on a unit map.

10. The minimum number of verification plots, per treatment unit, shall be as follows:

Unit Acreage Minimum No. of Plots 1 – 9 1 plot 10 – 29 2-3 plots 30 – 59 4-6 plots 60 – 99 7-10 plots 100+ 11 plots

11. Determination of acceptability of the work performed will be based on Government verification inspections and will be considered conclusive.

12. At each plot, the Government will examine the plot area and record findings on the items listed below:

a. Plot number

b. Number of trees to be left on plot.

c. Number of trees left on plot.

d. Number of satisfactory trees.

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e. Number of deficient trees.

f. Number of excess trees.

- Stumps containing live limbs which are not in accordance with specifications herein will be counted as excess trees.

- Cut trees which are still attached at the stump will be counted as excess trees

- Trees meeting cut specifications will be counted as excess trees

- Trees in excess of trees to be left will be counted as excess

13. Work quality will be calculated on the form as follows:

No. Trees Deficient + No. Excess Trees -------------------------------------------------- = % Unsatisfactory work No. Trees to be left

100% – % Unsatisfactory work = % Work Quality

Unsatisfactory Cutting

1. If the work quality falls below 85 percent, the COR will immediately notify the Contractor, in writing, and order him to improve the quality of subsequent tree cutting. If the quality of subsequent tree cutting is not raised above the 85 percent minimum acceptable standard within 24 business hours after receipt of such written notice, the Contractor’s right to proceed may be terminated and the contract considered in default.

2. When the work quality falls below 90 percent as a result of excess trees, the Government may elect to do one of the following:

(a) Order rework to be performed and withhold payment until excess trees are cut and the results of a post-rework Government inspection show work quality to be at least 85 percent or more. No rework shall be performed unless ordered or authorized by the COR.

(b) Order that no rework be performed and payment will either be made at a reduced rate, or not at all, as determined from the Thinning Inspection Report.

3. Repeated failure to produce work quality at or above the 85 percent minimum acceptable standard will be considered reason for contract termination and default action.

Reinspection Upon Contractor Request

1. If Government inspection results are unacceptable to the Contractor, a reinspection may be requested, in writing, within 5 business days after receipt of notice of said inspection results. The same inspection procedure will be used; however, the inspection pattern will be shifted so that new inspection plots will not overlap previously inspected plots.

2. If reinspection results – rounded up to the nearest whole percent – indicate a variance of more than 5 percent from the first inspection, the results of the second inspection will be used to calculate work quality and payment, and the Government will bear the cost of reinspection.

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3. If reinspection results – rounded up to the nearest whole percent – are within 5 percent of the first inspection, plots from the initial inspection and the reinspection will be combined and used to calculate work quality and payment, and the Contractor shall bear the cost of reinspection.

Table 1 – Minimum Acceptable Quality Levels (AQL) of Work

ITEM DESCRIPTION SCHEDULE UNIT Min AQL 1 Survey Project Area MANDATORY Lump Sum 100%

2 Design Detailed Logging Plan and Contract Area Maps MANDATORY Lump Sum 100%

3 Heritage Surveys MANDATORY ACRE 100% 4 Botany Surveys MANDATORY ACRE 100% 5 Silviculture Prescription Writing MANDATORY ACRE 100%

6 Flag, Paint, and GPS Timber Removal Boundaries MANDATORY MILE 100%

7a Cruise Design and Plan MANDATORY LUMP

SUM 100%

7b Cruise Plots MANDATORY PLOT 95% 7c Final Volume Estimate MANDATORY Lump Sum 95% 8 Road Reconstruction OPTIONAL VARIOUS 100% 9 Cut and Remove Included Timber OPTIONAL ACRE 90% 10 Non-commercial Thinning OPTIONAL ACRE 90%

SECTION V – PAYMENT METHODS

Method of Measurement for Acreages Acreages were determined by using Global Positioning Systems (GPS). The acreage for each work item will be rounded to the nearest acre and is final unless:

a. The contract is modified or,

b. The Government makes a determination to remeasure or,

c. The Contractor exercises his/her option under the following Remeasurement provisions:

Remeasurement

1. The Contractor may request, in writing, remeasurement of any units under this contract if he/she feels that acreage stated on the project maps is incorrect. The remeasurement must be within the existing perimeter of the respective unit. No variance of the unit perimeters as laid out on the ground for this contract will be allowed. All requests for remeasurement must be made prior to payment for each completed unit. Remeasurement will be performed by the Government.

2. If remeasurement indicates that a variance of ten percent or less exists on units of 1 to 5 acres, five percent or less exists on units of more than five but less than 20 acres, or if three percent or less exists on units of 20 acres or larger, the Contractor shall pay for the actual costs of the remeasurement.

Under this condition, payment will be made on the acreage stated on the project maps. If the remeasurement indicates the actual acreage varies by more than the above factors from that stated on the project maps, the payment will be made on the remeasured acreage and the Forest Service will pay for the cost of the remeasurement.

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Acceptance and Payment

1. Percentages as calculated herein shall be rounded to the nearest whole percent.

2. No allowance for variation or portion of a variation will be added which will create a percentage greater than 100 percent.

Acceptance and Payment – Items 1, 2, 3, 4, 5, 6, 7a, and 8.

1. If informal visual inspection indicates acceptable work quality, the Contractor will be paid 100 % of their bid rate.

2. Contractor shall rework any areas or entire units at no additional cost to the Government when work is deemed to be unacceptable by visual inspection.

3. If after rework, the work quality is measured with informal inspection to be 100%, the Contractor will be paid 100 % of their bid rate. If the percentage is less than 100%, the work is unacceptable, and no payment will be made.

Acceptance and Payment – Item 7b and 7c

1. If informal visual inspection indicates acceptable work quality, the Contractor will be paid 100 percent of their bid rate.

2. For work quality measured to be 95% or higher with formal plots, Contractor will be paid 100% of their bid rate.

3. Contractor shall rework any areas or entire units at no additional cost to the Government when work is deemed to be unacceptable by visual or formal inspection.

4. If after rework, the work quality is measured with formal inspection to be between 95% and 100%, payment will be made by the actual percentage. If the percentage is less than 95%, the work is unacceptable, and no payment will be made.

Acceptance and Payment – Items 9 and 10

1. If informal visual inspection indicates acceptable work quality, the Contractor will be paid 100 percent of their bid rate.

2. For work quality measured to be 90% or higher with formal plots, Contractor will be paid 100% of their bid rate.

3. Contractor shall rework any areas or entire units at no additional cost to the Government when work is deemed to be unacceptable by visual or formal inspection.

4. If after rework, the work quality is measured with formal inspection to be between 90% and 100%, payment will be made by the actual percentage. If the percentage is less than 90%, the work is unacceptable, and no payment will be made.

* Stewardship Credits will be earned first, whenever practical. Forest Service Funds will be used if the availability of Stewardship Credits is exhausted or if appropriated dollars are obligated to a specific item.

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SECTION VI – DEFINITIONS

ACCEPTABLE QUALITY LEVEL (AQL): Acceptance of work will be based on compliance with all specifications corresponding to the appropriate task(s). A minimum AQL is required for all service work – hand or mechanical. The minimum AQL will receive a satisfactory performance rating.

BIOMASS TREES: Any conifer material 2 feet in height to 4.9 inches DBH.

BOLE SPACING: The horizontal distance in feet from the edge of one leave tree bole to another leave tree bole, measured from the outside bark of each tree.

CIRCULAR PLOT: A sample plot within a thinning unit that is used to determine the number of desirable trees and other contract specifications.

COARSE WOODY DEBRIS: Woody material left on the ground to meet wildlife habitat requirements.

CROWN RATIO: The ratio of live crown length (tip of leader to base of the crown) to total tree length/height.

CROWN SPACING: The horizontal distance in feet between the dripline of a live crown to another live crown.

CLEARCUT: A cutting prescription in which all trees within a boundary are designated to be cut.

CROWN RATIO: The ratio of live crown length (tip of leader to base of the crown) to total tree length/height.

CROWN SPACING: The horizontal distance in feet between the dripline of a live crown to another live crown.

CUT TREES: Trees that do not possess the characteristics of desirable leave trees and are required to be cut. As described by the contract or otherwise marked to be cut.

CUTTING UNIT: See Treatment Unit definition

DAMAGED TREES: Trees damaged beyond recovery. A tree that is larger than 2 feet in height, and has the top knocked out, is leaning more than 10 degrees, has less than one half of its original limbs, or has approximately 50% of bark removed from the circumference of the bole.

DBH: Diameter at breast height, measured at a point of 4.5 feet above the ground level on the uphill side of the tree.

DECKING: Stockpiling of trees in a designated area.

DEAD/DYING TREES: Trees with the crown foliage changing from green to red, yellow, or needleless. Any tree that has pitch tubes indicating Mountain Pine Beetle infestation.

DESIGNATION BY SPECIES AND DIAMETER (DXSD): A cutting prescription in which species and diameter are used to determine which trees will be left and which will be cut.

DIB: Diameter inside bark.

HANG-UP TREE: Any cut tree suspended above ground level.

HEALTHY REGENERATION: Young, healthy, dwarf mistletoe free conifers, less than 4.9 inches in diameter, free of defect or characteristics listed in Section II, 2.2.2.

LEAVE TREE: Trees that possess desirable characteristics and that serve to create the basis for designated spacing requirements or are otherwise designated to be left.

NON-SAWTIMBER TREE: For all conifer species, minimum diameter of 5 inches DBH to minimum diameter by species identified in Appendix B, Division A.

OVERSTORY REMOVAL: A cutting prescription where all trees greater than a specified size are cut. Trees less than the specified size are protected.

PAYMENT UNIT: See Treatment Unit.

PERFORMANCE REQUIREMENTS SUMMARY (PRS): Identifies the key service outputs of the contract that will be evaluated by the Government to assure contract performance standards are met by the Contractor.

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PILING: Material moved to an agreed upon location shall be piled for future treatment by Forest Service.

PROGRESSION OF WORK: Work conducted in a progressive, workmanlike and orderly manner by the Contractor.

RESERVE CLUMPS: Groups of trees within a treatment area that are protected from cutting, may also include Individual Reserve trees.

SAWTIMBER TREE: Included timber meeting sawlog size specifications as defined in Appendix B, Division A.2.

SLASH: Woody material existing or created that has accumulated on the forest floor. Woody material includes logs, pieces of logs, tops, and branches.

UNIT: See Treatment Unit.

TEMPORARY ROADS: Non-permanent roads that are constructed by Contractor for the purpose of treatment unit access.

TREATMENT UNIT: An individual area on the ground in which activities will be performed and which may appear as a separate pay item in the Schedule of Items.

UNSATISFACTORY WORK: If work quality falls below the AQL, the COR will issue a work order or notice of noncompliance to the Contractor in writing. Untreated or unsatisfactory treated areas shall be reworked to obtain satisfactory work quality.

WHOLE TREE YARDING: Whole tree logging includes cutting tree and removing the entire tree, including tops and branches, to the landing.

WILDLIFE TREE: Standing tree marked to be reserved as a wildlife tree. Used by birds and small mammals for shelter, nesting, perching, etc.

SECTION VI – DEFINITIONS