Questions_and_Answers_Amendment_1_0001.pdf
PDF 124 KB Posted
- Attached to
- GAOA - Monte Vista NWR Well Repair Phase 2
- Solicitation number
- 140FGA26R0007
About this file
This is a Questions and Answers document for Amendment 1 to Solicitation #140FGA26R0007 for the Monte Vista National Wildlife Refuge (NWR) Well Repair Phase 2 project. The document addresses 17 technical and logistical inquiries from potential contractors regarding well repair and pipeline installation work.
Key technical clarifications include: pump design specifications should be based on desired flow rates derived from pump tests and permits (not to exceed amounts); submersible pumps are not acceptable due to sand particle contamination risks in the aquifer; Well #10 requires an elastomer compensator to reduce damage from startups and shutdowns, and an open impeller design to accommodate declining static water levels; and Well #10 pump panel should be a start panel rather than a VFD. For Well #7 pipeline installation, the contractor must route the pipeline west and slightly south of the ditch, then follow the ditch north to the holding pond, with HDPE DR21 pipe confirmed as acceptable instead of the originally specified PVC SDR21 or HDPE SDR9. Additional project details confirm that all power at each site remains active at 480V, well test results and camera inspection footage are available through the provided Amendment 1 documents link, and a rusted valve at Well #9 located 15 feet below the surface was identified through video inspection. The document also clarifies that Well #9's original completion date of 3-15-2026 was a remnant from SOW creation and that the contractor must purchase replacement parts, with Ecodynamics materials available for pickup at their office from a previous assessment phase.
View the file
Other files
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
Questions & Answers - Amendment 1
Monte Vista NWR Well Repair Phase 2
Solicitation # 140FGA26R0007 Questions and Answers
AMENDMENT 1 DOCUMENTS LINK:
https://fws-fileshare.box.com/s/l5jp1x63f3bdqdje9zs9gh7pdvck1hm4
1. Can you provide the well test results for all wells?
Response: The documents were sent with these answers.
2. Can you provide the camera footage and inspection results for all wells?
Response: The documents were sent with these answers.
3. What is the proposed pipeline location?
Response: The pipeline for Well 7 will be located, generally, south of the immediate ditch and then follow the road to the open dump area.
4. Can the pipeline be routed to the east of the ditch?
Response: No, the pipeline must be to the west of the ditch.
5. Should the pumps be designed for the desired flow rate or for the maximum flow rate identified during pump testing?
Response: The desired flow rates are based on the pump tests and permits, which are generally not to exceed amounts.
6. For Well #10, could you clarify the reason for requiring an elastomer compensator?
Response: Without VFDs, it is desired to reduce the damage from startups and shutdowns.
7. For Well #10, could you clarify the requirement for an open impeller design instead of a valve?
Response: The area has seen a constant drop in the static water level. The open impeller would allow for this drop and continue to maintain the desired gpm. Installing a valve does not accomplish this.
8. Are submersible pumps an acceptable option?
https://fws-fileshare.box.com/s/l5jp1x63f3bdqdje9zs9gh7pdvck1hm4
Response: We are unable to clean the parts/screens on a reliable basis. The aquifer can produce small sand particles that could cause issues. It is not recommended to have a submersible pump, for this reason.
9. I noticed that the required date of completion for well # 9 om the Statement of work is marked 3-15-2026. That will hardly work as the date of remittance is 4-27-2026. Please advise.
Response: You are correct. That is a remnant from when the SOW was created.
10. For the pipeline for well #7, point # 2 states PVC SDR21 ...or HDPE SDR9. - PVC SDR21 pipe has a pressure rating of 200 PSI and HDPE DR9 has a pressure rating of 250 PSI. This pipeline is an open discharge line with literally no service pressure. I recommended the HDPE DR 21 type pipe which has a pressure rating of 100 PSI which is more than enough with its 0.667" wall thickness for this purpose and it comes with a reasonable cost compared to the 250 PSI type.
Response: Agreed that HDPE DR21 is acceptable.
11. In section VII line G it states that all pumps, motors, and other materials can be picked up at the Ecodynamics Inc. office. Does that mean they are supplying the pumps for the project?
Response: All the parts to be installed that were removed from the well to inspect the parts. The contractor will have to purchase replacement parts.
12. Is Ecodynamics biding on this project?
Response: This project is sent out via Small Business, it is unknown if they will bid.
Ecodynamics was awarded a Small Business project to assess the wells, with this project as a follow up.
13. Well #9. Line 9 the rusted valve that is to be removed at 15 feet below the surface. Is that a typo? Because on site there is a valve at the wellhead, but it is partly exposed.
Response: The valve connects below ground. The video inspection discovered that the 15 feet mark is the bottom of the valve.
14. Well #10. For replacement of the pump panel, do you want a start panel or a VFD?
Response: Start panel. The pump is mostly run on/off with no minor controlling needed.
15. Well #7. It appears that the pipeline will have to cross a ditch and might not be able to get buried. Is that a concern?
Response: The pipeline shall head west and slightly south to miss the ditch and then follow the ditch to the north to the holding pond.
16. Is all power still active at each site?
Response: Yes.
17. It did look like our power was 480 V. Is that correct?
Response: Yes.
File details come from the government source that posted it. Updated .