A003_C05_12363N26Q4181Corral Site visit - QA.pdf

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Corral G-Z Stewardship IRSC, Region 6, Fremont-Winema National Forest, Bly Ranger District, Bly , Oregon
Solicitation number
12363N26Q4181
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About this file

This document is a site visit record and questions and answers (Q&A) for the Corral timber sale contract, conducted on October 29, 2026, by the U.S. Forest Service. The visit involved Forest Service personnel and multiple timber contractors discussing the Corral G-Z IRSC project, which involves logging the already-laid-out Corral project area and laying out/cruising the Grizzly Project Area with first dibs on logging it. The IRSC (good-for-services) contract structure allows contractors to earn stewardship credits that offset timber costs.

The document details critical contract specifications including timber marking and harvesting standards, residual basal area targets, merchantability guidelines (40% defect tolerance with 15% hidden defect for fir engraver), and unit-specific requirements. For Corral, white fir has no size limit if in competition with ponderosa pine under 21 inches, with residual basal area targeting 30 square feet (range 20-50 sq ft) where over 21-inch pine exceeds 20 sq ft/acre. For Grizzly, prescriptions vary by plant association (dry pine, dry mixed conifer, moist mixed conifer), with dry mixed conifer units requiring 60 sq ft residual basal area (range 50-70 sq ft). The amended cruise estimates 16.8 million board feet at $8.97/ton. Key contractor responsibilities include locating and flagging cultural sites (38 identified), maintaining boundary markings with specific protocols for private property lines and different prescriptions, obtaining Oregon Farm/Labor Contractor's License, and contacting Pacific Corp for transmission line work. Maximum unit sizes include 250 acres for transmission line and service units and 500 acres for timber removal units. The Forest Service supplies paint and will burn slash piles; contractors must restore cattleguards and temporary crossings to original condition.

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Other files

File Type Posted
A003_C05_12363N26Q4181Attachment2_Design Features.pdf PDF
A003_C05_12363N26Q4181Attachment4_Prescriptions.pdf PDF
A003_C05_12363N26Q4181Corral_G-Z_Appendix A_TechSpecs.pdf PDF
C05_A003_12363N26Q4181_SF30.pdf PDF
A003_C05_12363N26Q4181Corral G-Z IRSC IRSC Solicitation.pdf PDF
A003_C05_12363N26Q4181_Corral_Cruise.PDF PDF
A003_C05_12363N26Q4181Corral_G-Z_AppendixB_TimberSpecs.pdf PDF
A002_C05_RevisedGrizzlyProjectAreaMap.pdf PDF
A002_C05_12363N26Q4181Corral G-Z IRSC Solicitation_pgs5_6.pdf PDF
A002_C05_GrizzlyNoTreat.zip ZIP file
C05_A001_12363N26Q4181_SF30.pdf PDF
A001GrizzlyPotentialUnitPool.zip ZIP file
A001CorralGtoZ_IRSC_FinalUnitPool.zip ZIP file
C04_12363N26Q4181Corral_G-Z_Appendix A_TechSpecs.pdf PDF
C04_12363N26Q4181Corral G-Z IRSC IRSC Solicitation.pdf PDF
C04_12363N26Q4181Attachment3_Logging Plan Summary.pdf PDF
C04_12363N26Q4181Attachment5_Project Design Criteria.pdf PDF
C04_12363N26Q4181Corral_SignedCruise.pdf PDF
C04_12363N26Q4181Corral_G-ZSiteVisitMap.pdf PDF
C04_12363N26Q4181Attachment2_Design Features.pdf PDF
C04_12363N26Q4181CorralG-Z_FirePlan.pdf PDF
C04_12363N26Q4181Corral_G-ZProjectAreaCAM.pdf PDF
C04_12363N26Q4181GrizzlyProjectAreaMap.pdf PDF
C04_12363N26Q4181_SCA_WD_1977-0079_83_08132026.pdf PDF
C04_12363N26Q4181Corral G-ZTrafficControlPlan.pdf PDF
C04_12363N26Q4181Corral_G-Z_AppendixB_TimberSpecs.pdf PDF
C04_12363N26Q4181Attachment6_FSH_FSM_Cruise_AreaDeter.pdf PDF
C04_12363N26Q4181Corral_G-Z_Appendix C_RoadMtc.pdf PDF
C04_12363N26Q4181Attachment4_Prescriptions.pdf PDF
C04_12363N26Q4181Attachment1_ForestProductAccountabilityActionPlan.pdf PDF
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Corral Site visit on 10/29/2026 Visit Time: 1002-1338

Forest Service in Attendance:

Will Potter – Forester, COR for Corral Todd Clement – Sale Administration Donald “JR” Ashcraft – Bly District Ranger Leah Gamble – Forestry Tech

Public in Attendance:

See sign in sheet

Location: Initial meeting site, intersection of 3660 and 013 roads.

Corral G-Z IRSC – What does it mean?

G-Z – Contractor will log Corral, which is already laid out and cruised, and will be laying out and cruising the Grizzly Project Area with first dibs on logging it.

IRSC – Good-for-services contract: contractors earn stewardship credits that offset timber costs.

Stop 1 (Location: Unit 10)

Q1. Is there no size limit when it comes to white fir?

A1. No size limit with white fir if it’s in competition with <21” ponderosa pine, unless the fir over 150 yrs. There is a visual guide for determining white fir age in Appendix B as well as in Attachment 4.

Q2. So basically you want to save the big ponderosa?

A2. Yes, and this is pretty standard for our timber contracts, but the difference with this prescription is that we also want the contractor to leave behind more young, black-bark pine in order to ensure healthy levels of natural regeneration.

Q3. How does big ponderosa come into play when calculating residual basal area?

A3. Over 21” ponderosa is treated like a “ghost tree”, it isn’t counted in plots. Where there is >20 ft2/ac of >21” pine, Contractor will cut down to an average of 30 square feet residual BA, with a range between 20-50.

Stop 2 (Location: Unit 9)

Q4. What is stewardship credit?

A4. Stewardship Credits are credits that are earned and established when work listed in the Schedule of Items has been performed and accepted. Either cash or non-monetary (product value) and shall be earned at the rate awarded for work items. For non-monetary credits, Contractor performs stewardship work (I.e., Cut, Skid and Deck – Control Features), the dollar value of which is credited towards the value of timber that they haul to the mill. Same as “Stumpage Credit.” See page 19 of the Solicitation document.

Q5. Are we using a 10 BAF to check plots?

A5. Yes. See “C6.36# Acceptance of Work” page 30 of Appendix B.

Q6. What is the plant association group at this location?

A6. Dry Mixed Conifer. One prescription covers all of Corral regardless of plant association BUT Grizzly has 3 potential prescriptions based on plant association group (dry pine, dry mixed conifer, moist mixed conifer).

Q7. What are the rot guidelines?

A7. Logs are merchantable if there is 40% defect or less.

Be aware there is Scolytus ventralis (fir engraver) present throughout the sale. We accounted for this in the cruise by adding a hidden defect of 15%.

Q8. You have saw timber at 2 ,3, 4, and 5in in the log table, is this a mistake?

A8. Yes, this was an oversight on our part. After the site visit, the cruise was re-run to include a top DIB of 6” on all logs. This has reduced the estimated volume slightly to 16.8 MMBF (down from 17.3 MMBF). We have also reappraised the sale to an advertised rate of $8.97/ton (down from $9.29/ton). The amended cruise has been posted to SAM.gov, and the estimated timber volume and the Minimum Acceptable Quote for Corral Project Area has been amended in the solicitation.

Q9. For Cut, Skid, Deck, who is burning the piles?

A9. The Forest Service is responsible for burning of cut, skid and deck generated piles.

Q10. Is there any interest in doing mastication or broadcast instead of whole tree cut skid and deck?

A10. The Forest Service may consider alternative methods of treatment if the price is fair and reasonable and meets the NEPA desired conditions. Contractors are required to submit a primary proposal for all work as shown in the Schedule of Items. If a Contractor have an alternative plan for treatment, they must submit a second Alternative price proposal and Alternative technical proposal.

Q11. Can you clarify Cut, Skid, Deck mandatory vs optional?

A11. If Cut, Skid, Deck overlaps with a timber unit ( cutting, skidding and decking done concurrently with sawlog removal), it is mandatory. If it’s standalone, then it’s an optional item. There are both mandatory and optional Cut, Skid, and Deck units within Corral, and they are listed separately in the Schedule of Items.

Stop 3 (Location: F22 - Meadow Unit)

Q12. Is there a max diameter for hand felling since it’s hard to do over 10 inches? And would that be taken into consideration for pricing?

A12. Solicitation has been amended to allow for machine-felling and machine-piling in Meadow Restoration units outside of sensitive soils.

Stop 4 (Location: Transmission Line Treatment unit just off the 3630 road)

Q13. What are the expectations for already present fuel piles in Corral? Expectation is to move them away from large old pine and to incorporate them into the new Corral slash piles?

A13. It was explained that a third sale area, Angel, was originally included alongside Grizzly as a project for Contractor to lay out and cruise but was dropped because of proposed mining activity in the area.

FS will be burning piles/decks within the Angel sale area this winter. The Contractor is not responsible for these piles, only the ones in the Corral sale area. There are other activities planned in Angel next year so expect other commercial rigs on the road. Expect various kinds of drilling operations in relation to a planned gold mine.

Q14. How much snow does this area normally get?

A14. Normally 8ft but the last couple of years only 3-4ft

Q15. Do we need any additional insurance to be working near transmission lines?

A15. Contractor is responsible for obtaining all necessary insurance to perform work described in this solicitation.

The contract does not require any specific type of insurance for working near transmission lines.

Q16. Is there any special training required to work near transmission lines? Pacific Corp specific training?

A16. Contractor will be responsible for contacting Pacific Corp prior to operations near transmission lines.

Contact information and timing of contact will be included in Appendix B -timber specifications if Grizzly Project Area is awarded. Contractor will be responsible for protecting all transmission lines and infrastructure related to the transmission lines during operations and may be responsible for expenses if damage occurs.

Q17. When will we know which optional items are available/awarded?

A17. When the contract is awarded.

Q18. Will transmission line units need to be laid out and cruised?

A18. They will need to be cruised if they are included in the project implementation plan as timber units.

Transmission line treatments will be categorized as either commercial timber units or service units by the Contractor. Both service and timber units will need to be laid out.

Comment made relating to unit size of transmission line units: As long as the lines are west of 3660 road, we might be making the transmission line treatment units larger. It depends on what the plans are for mining activity.

Q19. Are we dropping and leaving trees in Transmission Line Treatment units?

A19. Timber will be removed unless there is no feasible road access to the unit, in which case it would be piled in the unit. We included this option in the contract only because we haven’t ground-truthed all +800 acres of Tranmission Line Treatment units and wanted to have a contingency plan.

Q20. Are we doing these transmission units to remove danger trees or expanding right of way?

A20. No. The purpose of the treatment is to provide fuels reduction near important infrastructure.

Q21. Is it 500ft off the center line or 500ft off of the right of way?

A21. The transmission line units expand 500 ft on either side of the centerline.

Q22. Is the boundary flagged or is it all virtual for Grizzly?

A22. FS is painting private boundaries with red paint and should be finished before the snow falls. Contractors will be required to flag, tag, GPS, and paint with orange paint all timber unit boundaries that share a common boundary with private land.

Q23. Is there any requirements on who cruises the units? Is there a class we have to take?

A23. Requirements can be found in Appendix A under Mandatory Item 8. These include, but are not limited to, knowledge of how to take proper height and diameter measurements, species identification, and defect determination. There is an optional class which can be provided by the Forest Service at the Contractor’s request, but no required training.

Q24. What is the Labor License about? Is it different from California labor requirements?

A24. The Oregon required Labor License information is in the solicitation on page 62, Section 70. State and

Federal Licensing Requirements. Oregon requires a Farm/Labor Contractor’s License to perform work such as manual cutting and piling. This pertains to work performed by the primary contractor and any subcontractors.

Q25. How is the Forest Service marking Forest Service land boundaries?

A25. Forest Service Surveyors are using t-posts and red paint to mark private boundaries.

Q26. Is road work planned in Grizzly?

A26. The Forest Service is not planning on constructing or reconstructing any roads in Grizzly Project Area. Road maintenance will be included in the roads package and factored into the appraisal.

Q27. Will Grizzly units treat trees over 21” DBH the same as in the Corral prescription?

A27. Yes, we are not counting trees over 21” in the residual basal area in any of the Grizzly prescriptions.

Original answer at time of Site Visit was incorrect. Correct Answer: This is only true of the Dry Pine and Transmission line prescriptions in Grizzly. The Dry and Moist Mixed Conifer prescriptions involve counting all trees towards residual basal area, including trees over 21” DBH.

Q28. What is the average square feet of residual BA for the transmission units?

A28. If there is 30 sq ft per acre or more of >21” pine present, take it down to 30sqft with an average between

20-50sqft.

Q29. Is there a prescription to remove ditch trees from Grizzly? (meaning the daylighting of roads mentioned earlier)

A29. All of the prescriptions in Attachment 4 are applicable in Grizzly.

Q30. Will we get a detailed road layer?

A30. A road layer will be shared with the awardee and it includes closed roads.

Q31. Can we use closed roads?

A31. Yes, closed roads can be opened for logging but need to be closed when the contact is finished.

Stop 5 (Location: Potential Grizzly unit on west side of 051 road)

This is an example of a dry mixed conifer unit. This is the most common plant association type in this project area. Plant association will be used to determine the prescription that each unit follows.

Q32. Will we get a layer that contains the different types of units?

A32. Yes, the Contractor will be given a layer of different plant association groups post-award. This layer must be used to delineate different timber units according to prescription.

Q33. What is the average square feet for the dry mixed conifer plant association?

A33. Take it down to 60 sqft with an average between 50-70sqft

Q34. Do geofence boundaries require GPS?

A34. Site Visit answer was yes, however; it is NO. Geofence boundaries should not be GPS’ed during layout.

However, Contractor must have a GPS receiver with sufficient accuracy to be able to track geofence boundaries during operations.

Q35. Can you clarify when we can use a geofence vs paint?

A35. Painted, tagged and flagged boundaries are only necessary along private property lines and between two timber units with different prescription types. The boundaries between timber units and cultural sites must be flagged and GPS’ed, but not tagged or painted.

Geofence boundaries (and discernible boundaries, like roads or fence line) are to be used everywhere else. This includes all unit boundaries not sharing a boundary with private property, boundaries between two timber units with the same prescription, and unit boundaries abutting untreated USFS land.

Service work units are 100% geofence and discernible boundary unless sharing a boundary with private property where the boundary must be tagged, flagged, and painted.

Q36. Are dead trees counted in the Basal Area?

A36. Dead trees are not counted in basal area. You can fell operational hazard trees, but otherwise leave dead trees standing. If the dead tree you cut is under 20” DBH, it needs to be piled. If it’s 20” or over, leave it on the ground.

Q37. What is the Min/Max size for these units?

A37. In Grizzly, there is a maximum size of 250 acres for Transmission Line Treatment Units, Cut, Skid, Deck

(Natural Stands), and Cut, Skid, Deck (Control Features). 500 acre maximum on timber removal units.

Q38. Is the Forest Service supplying the paint?

A38. Yes, the Forest Service will supply the Contractor with tracer paint.

Q39. Why do we need to flag/paint between timber units with the same prescription?

A39. You don’t. Appendix A and Attachment 2 will be amended to clarify this. We expect you to flag, tag, and paint boundaries between timber units with different timber prescriptions, but not boundaries between units with the same prescription.

Q40. Are we responsible for fixing already damaged fences?

A40. No, you are not responsible for repairing already damaged fences. Take a photo of fences in disrepair and share it with the COR.

Corral and Grizzly are active grazing allotments and there is a possibility of cows being present from May-Oct. It’s up to the permittee whether they put cows out during logging operations

Q41. Are temporary crossings allowed?

A41. Yes, they are allowed where needed but will need to be reviewed before installation.

Q42. What are the expectations with cattleguards?

A42. At the end of the contract, cattleguards need to be in the same condition (or better) then they were at the start of the contract.

Q43. What happens if service work and timber are in the same unit?

A43. If a timber unit and a service unit overlap, then the boundaries have to match as well. For example, if you have a 100 acre timber unit that has 50 acres of service work within it, it must be split into two units: a 50 acre timber unit and a 50 acre combined timber and service unit. This is for Forest Service recordkeeping purposes.

Q44. Are there any cultural sites in Grizzly?

A44. There are 38 cultural sites, and the contractor will be required under Mandatory Item 5 to locate, flag and

GPS these 38 sites. Many of them are under an acre in size. A GIS layer will be provided to the contractor after award.

Q45. Does the Forest Service have polygons for the cultural sites, or will the contractor need to create those?

A45. Polygons for all of the cultural sites are pre-made and will be shared with the Contractor post-award. The contractor will only be responsible for flagging and GPSing cultural site boundaries.

Q46. What about wildlife boundaries?

A46. It’s a GIS exercise, you will not need to flag, tag, and GPS them.

Q47. What is item 22? Can we remove the item from the contract?

A47. Optional Item 22 has been removed from the solicitation Schedule of Items and Appendix A technical specifications.

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