Monte_Vista_Well_repair_RFI_0001.pdf
PDF 93 KB Posted
- Attached to
- CO MONTE VISTA NWR WELLS REHAB
- Solicitation number
- 140FGA25R0005
About this file
This is a Questions and Answers document (RFI 140FGA25R0005 0001) for well repairs at Monte Vista National Wildlife Refuge. The document addresses 17 technical questions about well repair specifications and requirements.
Key details include: parts pickup location at 5492 East US HWY 160, Monte Vista, CO 81144; all motors and pumps are to be picked up from Ecodynamics; wage determinations and Buy American provisions apply; incoming voltage is 480V for VFD connections; wells 4, 7, 57, and 60 have 16-inch production casings; Well 57 has a collapse below 173 feet that requires repair; mechanical specifications for Well 4 include replacing the current shaft with an open line shaft with mechanical seals and dry-run shaft bearings above the static water level at 36 feet. The document includes a video capture image showing the well collapse at 172.38 feet. No specific requirements are given for liner type, steel material, or gravel specifications, instead referring to state requirements. The prebid meeting was not mandatory.
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Other files
| File | Type | Posted |
|---|---|---|
| Sol_140FGA25R0005_Amd_0001.pdf | ||
| Wage_Determination.pdf | ||
| A04__SOW_Monte_Vista_Well_Batch.pdf | ||
| Sol_140FGA25R0005.pdf |
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Text version
WELL REPAIRS PHASE 1
AT
MONTE VISTA NATIONAL WILDLIFE REFUGE
RFI
140FGA25R0005 0001
1. There was a reference yesterday that another contractor had some parts for the wells that we would pick up and install, but not furnish. Can you please identify the location of those materials and provide a list of the materials to be picked up (by the corresponding well number)? Each part is located at 5492 East US HWY 160, Monte Vista, CO 81144 – Ecodynamics
2. There is also a list of parts shown in the Statement of work. If some of these are furnished by the Owner or this third party, please identify on the scope of work which of these is to be furnished by Bidder and which is simply a 'pick up; item to be furnished by others? All motors and pumps required to be picked up.
3. There was a wage determination furnished so I assume that specified wages and certified wage reports are required? Yes this is required
4. There is a reference to Buy American steel applying on this. Years ago on another project, I was told that Buy American did not apply to pump components on water wells. Can you confirm that Buy American provisions apply, and that all materials installed downhole will need certification/ compliance letters for it? Yes. There are parts that are needed that can comply to Buy American Act.
5. What is the incoming voltage for each of the well locations, for connection to the VFD? 480V
6. Well 4, H.c mentions to "modify open line shaft pump" How would you like it modified? Replace current shaft with an open line shaft that includes mechanical seals and dry-run shaft bearings above the static water level, 36 feet.
7. What is the production casing size on each of the wells? Well 4, 7, 57, and 60 are 16 inch.
8. H.6.a mentions to repair the Gould 12 DHHC bowl assembly and bearings. Do you know what repairs are needed? The bearings need to be replaced. Convert system to water lube.
9. For the VFD equipment, do you have a preference on manufacturer or any certain requirements? No. The VFD needs to work for the motor/pump.
10. Do you have any specifications for the new pumps/motors that are specified or shall the bidder propose any make/model that meets the pumping conditions? The bidder shall propose the materials.
11. Well 57 mentions a collapse, but the language lacks specificity. Is the collapse from 172 to 235 or is the collapse from 109 to 172? The extent is unknown because the camera was unable to go further past the 173’ mark. It should be assumed that the complete lower portion is collapsed for bidding purposes. Any less footage will reduce the cost of the contract amount that will be negotiated.
WELL REPAIRS PHASE 1
AT
MONTE VISTA NATIONAL WILDLIFE REFUGE
RFI
140FGA25R0005 0001
12. Have you run a caliper in the well to determine the diameter in the area of the collapse? The extent is unknown? The photo from the video shows the extent.
13. Do you have specifications for the liner you'd like to install? No
14. Will this be a mill slot liner or wire wrapped screen? No specific requirements. Please reference state requirements.
15. What steel material should be used for the liner? No specific requirements. Please reference state requirements.
16. Do you have specifications for the type of gravel? No specific requirements.
17. Was the prebid meeting a mandatory meeting? NO
File details come from the government source that posted it. Updated .