Mad Creek Bridge Prebid Notes_lr draft.docx

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Attached to
GAOA Mad Creek Bridge Replacement, Medicine Bow National Forest
Solicitation number
1094020
Issued by

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This document contains prebid meeting notes for the GAOA Mad Creek Bridge Replacement federal contract opportunity. Key details include that the prebid meeting addressed questions regarding use of the low water crossing for equipment access, manufacturing the bridge in multiple sections, using the Mad Creek parking lot for staging, coordinating use of private land for staging, considering alternate bridge materials such as FRP, extending the contract closing date to October 31, 2024, evaluating on-site borrow areas for structural backfill, clearing trees and obstacles to transport the bridge structure, temporarily removing water bars and culverts to accommodate construction traffic, and using a torch or saw to cut the existing steel bridge into smaller sections. The related federal contract opportunity is solicitation number 1094020 for the Mad Creek Bridge Replacement in Medicine Bow National Forest in Routt County, Colorado being conducted by the US Department of Agriculture Forest Service.

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Attachment No. 1 to Amendment No. 1 Mad Creek Bridge Replacement Prebid 5/17/2023 Attendees:

Ryan Nupen – FS Loren Reimer – FS Edwin Schmidt (Na Ali’i) Alexis Johnson Tyler Davis Rance MacFarland Diane Dwire Heath Thompson 703-407-4889 Questions:

Is there a limited number of crossings that can be made through the low water crossing? The only way to access the north side of the bridge with equipment is to utilize the low water crossing. The contractor shall coordinate their work to minimize the number of crossings required.

Can the bridge be manufactured in multiple sections? Yes Can the Mad Creek parking lot be used for construction staging? Yes, the Mad Creek parking lot will be available for temporary staging of equipment and materials. Storage of materials in the Mad Creek parking lot over the winter is not currently approved.

Use of private land for staging? The government has not coordinated a staging area that is located on private property. The contractor may coordinate with the private landowner(s) for use of private land.

Is the FS open to FRP? The bridge structure presented in the plans has been determined to meet the requirements of the FS. The FS will review proposals for alternate materials. The engineering required for a substitution shall be the responsibility of the contractor.

Change closing date to October 24?? The contract is expected to be extended through the 2024 construction season. October 31, 2024.

Can Structural Backfill be procured on site? Borrow areas for general fill are available on site. The suitability of the material as structural backfill has not been evaluated.

Can trees and other obstacles be removed or moved to accommodate the transport of the bridge structure to the site? Yes, trees, boulders, etc. can be cleared to allow for the transport of the bridge to the site.

Is work allowed NFSR 128.1 allowed to accommodate construction traffic? Can the water bars be temporarily removed? Reference Work Item 30315 Can a torch or abrasive saw be used to cut the existing steel bridge structural elements into smaller sections? Yes, if there are no fire restrictions in place at the time that would prohibit this activity.

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