12445221B0007 Questions and Answers.docx
DOCX document 221 KB Posted
- Solicitation number
- 12445221B0007
- Issued by
-
Department of Agriculture Forest Service
About this file
This document contains questions and answers regarding Solicitation Number 12445221B0007 for the Construction of Forest Service Road 404 Cane Creek Culvert Replacement. The solicitation requires the complete construction of a 19' span x 8'2" rise x 31' length aluminum structural arch culvert, including associated wingwalls, backfill, and roadwork. Key details include clarification that Structural Backfill Pay Item 20803 should be used for compaction on the arch, and CR14 base aggregate and backfill will be used for the road subgrade. Dimensions and requirements of the culvert are also confirmed. Expected completion is within 180 calendar days from notice to proceed.
The document provides relevant project specifications, requirements, and responses to contractor questions to clarify the scope of work for the culvert replacement.
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Other files
| File | Type | Posted |
|---|---|---|
| 12445221B0007 Schedule of Items All Bids.pdf | ||
| Abstract for 12445221B0007 - USDA Forest Service Cane Creek Culvert .docx | DOCX document | |
| 12445221B0007_Prebid_Sign-in.pdf | ||
| J.4 WAGE DETERMINATION.pdf | ||
| 12445221B0007IFB.pdf | ||
| J.5 Buy American and Hazardous Materials.pdf | ||
| J.6 qrcode_for location map.pdf | ||
| J.3 FOREST SERVICE STANDARD SPECIFICATIONS.docx | DOCX document | |
| J.1 DRAWING.pdf | ||
| J.2 STATEMENT OF WORK.docx | DOCX document |
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Text version
1. Question: Please Clarify. Schedule of Items calls for 19' x 8'2" x 31'Structural Arch. Page C-02 calls for a 19' x 8'2" x 46' Structural Arch Plate, Page C-04 calls for a 19' x 8'2" x 46' Structural Arch Plate and plan is dimensioned 31' x 19' Structural Arch Plate.
Answer: The Structure is size is 19' span x 8'2" rise x 31' length.
2. Question: Please confirm which backfill please. the Description is Structural Backfill which is Pay Item 20803, But is labeled Pay Item 20415, which is just backfill.
Answer: Use Pay Item 20803 to for compaction on the arch. CR14 will be used for the road surface and base aggregate for the road subgrade.
3. Question: Please confirm which backfill please. the Description is Structural Backfill which is Pay Item 20803, But is labeled Pay Item 20415, which is just backfill.
Answer: Use Pay Item 20803 to for compaction on the arch. CR14 will be used for the road surface and base aggregate for the road subgrade.
4. Question: Will Vertical Wing-wall have a structure underneath the bottomless Arch?
Answer: No. just the wingwalls. see screenshot from engineer.
5. Question: Please Verify whether Arch is 31' or 46' Answer: The Structure is size is 19' span x 8'2" rise x 31' length.
6. Question: What is the total length of the culvert, headwall to headwall? Sheets C-02, C-03, C-04 and C-09 suggest a total length of 46LF. The bid tab and sheet C-04 suggest a 31LF length.
Answer: The Structure is size is 19' span x 8'2" rise x 31' length.
7. Question: Sheet C-08 suggest that an aluminum toe wall extends below the stream invert and between the stem wall foundation. Do we need to include an aluminum toe wall plate with the aluminum headwall?
Answer: No. just the wingwalls. see screenshot from engineer.
8. Question: Would an aluminum 24”CAAP culvert be acceptable in place of the 24” ALT2 CMP?
Answer: Looking at the ASHTOO it should, But the final say would be when the specifications of the pipe is submitted for approval and verified to match the ASHTOO requirements.
9. Question: What is the yearly average rate of flow for Cane Creek in the area adjacent to the culvert replacement?
Answer: Design Q and V are stated on G-02.
10. Question: On sheet G-02 the note under the ‘Foundation’ header states that if clay is encountered to over excavate and replace with backfill material and then references pay item 20850. Is the intent to use pay item 20803 for this backfill as needed or should there be another pay item?
Answer: The intent to use pay item 20803 for this backfill.
11. Question: On sheet G-02 the note under the ‘Foundation’ header states that if clay is encountered to over excavate and replace with backfill material and then references pay item 20850. Is the intent to use pay item 20803 for this backfill as needed or should there be another pay item?
Answer: The intent is to use pay item 20803 for this backfill.
12. Question: Please provide the weight limits for the various bridges / culverts we must cross to reach the work site for single axle dump trucks, tandem trucks, and tractor trailer trucks and trailers.
Answer:
| RTE_NUM |
| 404 |
| MP |
| 1.4 |
| FEAT_INTRSCTD |
| CANE CREEK |
| OPERATIONAL_STATUS |
| OPEN |
| DEVELOPMENT_STATUS |
| EXISTING - ACTIVE |
| LATITUDE |
| 34.56096 |
| LONGITUDE |
| -81.46234 |
HL-93
| Type 3 |
| 36 |
| Type 3S2 |
| 36 |
| Type 3-3 |
| 36 |
| POSTING |
| yes |
*This information is being provided for the contractor’s convenience, it is not meant to eliminate the contractor’s need to perform their own site investigations.
13. Question: Will any rock used on the project be required to be river rock? If so, which types must be river rock?
Answer: Use Quarry Rock with the same gradation that the Streambed Simulation Rock, Bed Class 2 (See 705.08 Streambed Simulation Rock in the Cane_FSSS_20200817 document.)
14. Question: We see long lead times on many products today and we are concerned about getting the Culvert Arch submitted, approved, and delivered in time to get the project completed in the 180 cal days allowed for the project. Could the government allow a longer period to be sure that the current supply chain problems are taken into account for the setting of the contract time period?
Answer: The successful bidder would already have the ARCH Pipe already chosen to be able to provide a price for the arch. With that the successful bidder could theoretically submit the specifications for the arch when the CO awards the contract. Upon approval of submittal, the successful bidder would need a letter or statement noting the manufacture time and delivery time of the arch from the manufacturer. With that the CO would negotiate the notice to proceed to ensure the project could be completed within the 180-day window.
15. Question: The various drawings show the culvert differently. For example, C2 shows the culvert to be 46’ long and C4 shows the culvert to be 31’ long. Can you please clarify the dimensions of the culvert?
Answer: The Structure is size is 19' span x 8'2" rise x 31' length.
16. Question: Can you please tell me if you will be posting the sign in sheet from the Site Visit in SAM? If not, can you please send me a copy of it?
Answer: See Attached file image1.png image2.png
File details come from the government source that posted it. Updated .