C44 Industry Day Questions 082124.pdf
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- Solicitation number
- W912EP24Z0045
About this file
This document appears to be questions and answers from an industry day event for the Comprehensive Everglades Restoration Plan: Indian River Lagoon - South C-44 Seepage Management Feature project.
The key details are:
- The project involves construction of approximately 30 pre-designed relief wells and potentially additional contract-designed relief wells at prescribed locations in Martin County, Florida.
- The project requires managing borehole wall stability and slightly artesian groundwater conditions during well drilling and construction.
- The industry day event was held on August 21, 2024 to provide detailed information on the upcoming solicitation for this project, including scope of work, design details, construction considerations, acquisition timeline, and contracting requirements.
- Breakout sessions were held for potential prime contractors to meet one-on-one with the U.S. Army Corps of Engineers, Jacksonville District.
- The NAICS code is 237990 - Other Heavy and Civil Engineering Construction, with a small business size standard of $45.0 million.
- Questions related to the industry day and future projects can be submitted through the ProjNet system by August 30, 2024.
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Industry Day Questions- COMPREHENSIVE
EVERGLADES RESTORATION PLAN: INDIAN RIVER
LAGOON - SOUTH C-44 SEEPAGE MANAGEMENT
FEATURE
1. Do you believe that the construction duration is a concern given the number or depth of wells in the project?
2. Do you anticipate utilizing two or more separate drill rigs/crews to perform pilot holes and permanent well construction?
3. With this many wells, how would you anticipate managing the generated data associated with each well location? i.e. Pilot Hole lab testing, well screen shop drawings, final well as-builts, pump testing data collections and results, etc.
4. The government will have to provide designs following pilot hole drilling and laboratory testing.
What concerns do you have with you having to provide required data to the government for the government to perform the well design and then return the details to you, the contractor?
5. Once the design is returned, what lead time would you anticipate obtaining shop drawings from the manufacturer and having the well screen fabricated and delivered to the site for installation?
6. Do you have concerns regarding borehole stability or managing slightly artesian conditions during drilling?
7. Brackish groundwater (chloride concentration ~1,000 mg/L) exists in the aquifer. Assuming the wells would be tipped into brackish water, would you anticipate any issues with your drill mud if only biodegradable mud is allowed?
8. Assuming there are shells in the foundation that range from sand size to over 6 inches (with variable concentrations that range from 0 to 70%), do you anticipate any issues with reverse circulation drilling?
9. What issues might you anticipate with reverse circulation drilling in Florida?
10. Do you anticipate using open cut or trench boxes to construct pipe outfalls into the canal?
11. How many days to you anticipate it taking for the drilling of a pilot hole and a permanent well?
12. How much lead time do you anticipate needing for ordering well screens, risers, and filter material once the government provides the final well design at a particular location? Has your past experience determined if it is better to order well materials individually or in sets?
13. If so required, will the well installers have an issue with placing multiple gradations of filter pack in the same well?
14. If so required, will screen manufactures have and issue with fabricating well screens with 2, maybe 3 unique slot sizes on one screen?
15. The water in the adjacent seepage canal will not be allowed to be used in the drilling, installation, or development process of each well. We anticipate the installed wells would function as a water source for all subsequent well installations. Would this pose a problem for subsequent well installations?
16. At the desired top of well casing the wells were anticipated to flow once installed. How would you anticipate restricting or controlling the well flow until the outfalls are constructed?
17. Do you anticipate the need to perform dewatering efforts to install the outfall pipe and riprap at the edge of the canal? If so, what type of dewatering methods would you propose to use? If the riprap were installed in the wet (no dewatering), would your method to dewater change?
Industry Day Questions- COMPREHENSIVE EVERGLADES RESTORATION PLAN: INDIAN RIVER LAGOON - SOUTH C-44 SEEPAGE MANAGEMENT FEATURE
File details come from the government source that posted it. Updated .