1240LR24Q0074-0001 Amendment 1 Attachment Fish Passage Culvert Supplies SWNF.docx
DOCX document 21 KB Posted
- Solicitation number
- 1240LR24Q074
- Issued by
-
Department of Agriculture Forest Service
About this file
This document is an amendment to a solicitation for the supply of fish passage culvert components for the Sawtooth National Forest. The key details are:
The amendment revises the specifications for the aluminum box culvert structure, including the dimensions, gauge thickness, rib type and spacing. It also provides new requirements for the precast concrete footings, specifying the soil bearing resistance and foundation fill for the culvert locations.
The related federal contract opportunity is solicitation 1240LR24Q074, issued by the U.S. Department of Agriculture Forest Service, for the procurement of fish passage culvert supplies for the Sawtooth National Forest. The amendment is being provided to incorporate the revised technical specifications into the solicitation.
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Text version
AMENDMENT #1
Fish Passage Culvert Supplies (Sawtooth National Forest)
1240LR24Q0074
The following changes have been made to the Drawings for the above-named project. Please incorporate the following information into your bid.
Drawing, Sheet 2 of 3 (Aluminum Box Culvert Details):
Stanley Creek Aluminum Box Culvert Structure - General Notes:
Replace the listed “General Notes:” under this section in its entirety with the following:
General Notes:
1. The proposed structure shall be an ALUMINUM BOX CULVERT with the following dimensions:
| · Span: 15'-10" | Rise: 3'-6” | ||
| · Haunch Gage Thickness: 0.125" | Crown Gage Thickness: 0.125" | ||
| · Haunch Rib Type: 2 | Crown Rib Type: 3 | ||
| · Haunch Rib Spacing: 1'-6" | Crown Rib Spacing: 0'-9" |
2. Bolts for anchoring/fastening are not shown for clarity. Fasten all required box culvert system components together in accordance with the manufacturer's recommended installation requirements.
Drawing, Sheet 3 of 3 (Concrete Footing Details):
General Notes:
Add new Note 2A. as follows:
2A. Design new precast concrete footings assuming an in-situ soil bearing resistance pressure of 4,000 pounds per square feet (PSF) for both aluminum box culvert structure locations. Footings will be installed on a prepared foundation comprised of a 6”-12” compacted depth imported foundation fill that is capped with a leveling course of free draining angular material.
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