Att_07-_Questions_and_Answers_0004.pdf
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- Attached to
- Tree Thinning of 476 Acres at Lassen Volcanic NP
- Solicitation number
- 140P8422Q0134
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This document contains questions and answers related to solicitation number 140P8422Q0134 for tree thinning of 476 acres at Lassen Volcanic National Park. The National Park Service Pacific West Region is soliciting bids to remove trees from campground areas and units, with some trees near campsites only marked on the side facing away from campgrounds. Bidders should thin similar to other units even if markings are missed or faded. Service roads can be used for access and hauling. All marked trees, even dead ones, are to be removed as biomass along with pieces of marked trees found on the ground. In areas with many dead trees and pieces already on the ground, fuel inhibiting operations may be removed as biomass while leaving material 12 inches or more in diameter for wildlife habitat and rehabilitating disturbed areas.
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Attachment 07- Questions and Answers Solicitation 140P8422Q0134
Q1) Are there marked trees or unit boundaries in and around crags and lost campgrounds? How should I bid these areas if the tree removal is heavier than marked areas or less?
A1) The trees adjacent to the campground are marked for removal. For aesthetic reasons near the campgrounds, only one blue dot was marked on the butt of the tree on the side facing away from the campground. It can be easy to miss if you are not looking for it or are used to the blue horizontal stripe on other trees. Additionally, there are some trees near the campground, though a little farther from the campsites, that have a blue stripe, but only on the side facing away from the campground. The park will evaluate whether these marks need to be refreshed prior to operations beginning. Thinning prescription should be similar to other units.
Q2) Would we be able to use service road for access to units and hauling ?
A2) Yes.
Q3) A lot of trees that we marked as a green sawlog have died and tops have broken out laying on ground , is this included biomass that must be skidded to landing and chipped hauled out ?
A3) Yes. Marked trees, even if dead, should be removed from the park. They can be removed as biomass. Pieces of marked trees that have fallen off and are on the ground should also be removed, if they can be identified as having originated from a marked tree.
Q4) A lot of areas it’s hard to tell what tree it came from, because there was already tremendous amount of dead trees and tops or pieces of tree scattered on ground. The question is how clean should these areas be?
A4) Dead and down fuel that inhibits operations may be removed as biomass with an emphasis on leaving material that is >= 12" diameter for wildlife habitat. Dead and down material may be moved out of the way as long as it is not placed in concentrations within 15' of leave trees that are not being removed. Dead and down material may also be used to rehabilitate skid trails and other disturbed ground.
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