B53417 Q and A.docx

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Attached to
Open Market Small Purchase IL|27-422DNR-DIREC-P-102152
Contract number
27-422DNR-DIREC-P-102152
Issued by
Illinois

About this file

This document is a Questions and Answers clarification for contract B53417 regarding timber stand improvements at Embarrass River Bottom Scientific and Natural Area (SNA). The document addresses vendor inquiries regarding project scope and work unit specifications, with responses provided by the contracting agency.

The project encompasses timber stand improvement work across six designated units totaling 208 acres. The work consists of tree thinning and crop tree release activities, with anticipated labor hours ranging from 32 to 40 hours per unit depending on the specific location and work type. Unit R6-1 (26 acres, 40 hours) involves removal of scattered trees in a sedge meadow area; Units R6-2 (24 acres, 40 hours) and R11-4 (28 acres, 32 hours) focus on thinning in trees established through the Emergency Watershed Protection Program; and Units R11-1 (30 acres, 32 hours), R11-2 (70 acres, 32 hours), and R14-2 (30 acres, 40 hours) represent follow-up work to previously completed improvements requiring less intensive thinning efforts. All work involves felling trees primarily less than 8-10 inches in diameter at breast height (dbh) followed by herbicide treatment as specified in job specifications. The project excludes forestry mowing or mulching activities.

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Other files

File Type Posted
CAS2702 Job Specifications TSI Restoration ERBSNA~2.pdf PDF
0 standard terms and conditions V23.2~62.pdf PDF
CropTree thining Block3.jpg JPG image
CropTree thining Block 1.jpg JPG image
CropTree thining Block5.jpg JPG image

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Text version

Q&A – B53417 Timber Stand Improvements at Embarrass River Bottom SNA (Also see additional maps attached)

Vendor Question:

Looking at the scope of the site and the limited hours expected for the work raises a few questions. Each section has an estimated hours listed but no acreages of the units. Also it seems each unit is broken into smaller units that are not represented on the map. Is there a way to clarify the acreages of each unit to compare with expectations of hours estimated for each unit?

Agency Answer:

Unit
Activity
Acreage
Anticipated hours
R6-1
Tree thinning/ Crop tree Release
26
40
R6-2
Tree thinning/ Crop tree Release
24
40
R11-1
Tree thinning/ Crop tree Release
30
32
R11-2
Tree thinning/ Crop tree Release
70
32
R11-4
Tree thinning/ Crop tree Release
28
32
R14-2
Tree thinning/ Crop tree Release
30
40

Work in R11-1, R11-2 and R14-2 is a follow-up to work completed several years ago, so these would not be intense thinning/release efforts. Work in R6-2 and R11-4 will focus on thinning in a tree planting established when the site was enrolled in the Emergency Watershed Protection Program. R6-1 will be the removal of scattered trees in a sedge meadow-type area. The work in all of the units will be felling trees, the vast majority of which will be less than 8-10 inches dbh, followed by treatment with herbicide as outlined in the job specs. This project will not involve forestry mowing or mulching. Maps of the units and associated acreage are attached.

File details come from the government source that posted it. Updated .