MEMO - Pre-Qualification Site Visit (CMR esigned).pdf

CESAJ-CDR-R 11 July 2022

MEMORANDUM FOR RECORD

SUBJECT: W912EP22R0011 – Central Everglades Planning Project (CEPP), South Contract 1, L-67A Structures (S-631, S-632, and S-633) Spoil Pile Removal and Agricultural Ditch Backfill, Miami-Dade County, Florida Prequalification of Sources Site Visit

1. A site visit was held for subject project on 8 July 2022 at 9:00 am to give the prospective respondents to the prequalification of sources a chance to see the site prior to responding to the announcement.

2. The list of individuals that attended the site visit is attached.

3. The attendees were advised to write down any questions they may have and submit them via Projnet as indicated in the solicitation.

4. The site visit consisted of meeting at the staging area located north of the S- 333N Structure. At this location, the undersigned welcomed the attendees and briefed on the currently expected project features, to include the staging areas and site access. Prior to commencement of the site visit, the attendees were informed that the visit would consist of driving on top of the L-67A Levee and the north bank of the L-29 canal to look at the general areas for the features that are to be constructed as part of this project.

5. Once the initial brief was complete, the participants proceeded east along the north bank of the L-29 canal, approximately 0.25 miles east of S-333N. At this location, attendees were shown the approximate area where excess suitable material excavated from the project is expected to be stored along the existing L- 29 levee and gave the participants an opportunity to look around the area. The individuals were informed that the stockpile limits and details are still being finalized; however, to note the location and expected work area around existing utility poles and lines.

6. From this location, the visit proceeded to the L-67A Levee to look at the project features in that area. We first stopped at the intersection of the L-67A and L-67C levees where an additional staging area and restricted parking area are to be located. The participants were informed that boat ramp access has to be maintained for Government and local agency use during construction, that the restricted parking area was not for the construction use, and any existing silt fence or turbidity curtain within the project limits would need to be replaced.

7. We then proceeded north along the L-67A levee and stopped where the west end of the agricultural ditch intersects with the L-67A Levee. The attendees were

W912EP22R0011

Site Visit Memo given an opportunity to look at the ditch, the site conditions, and current conditions for access to the work site. The individuals we informed to take note of the conditions that would require use of amphibious equipment. They were also informed that the work was expected to include clearing of existing spoil piles, five plugs constructed of hydraulic fill, and removal of existing spoil material at the west end of the ditch.

8. The site visit continued by driving north on top of the L-67A Levee and stopping at the locations for Structures S-633, S-632, and S-631. At each location, the visitors were given the opportunity to look around the area to document the site conditions and access to each site. The participants were informed that at each location the work consisted of the construction of temporary earthen cofferdams, double barrel reinforced concrete culverts, pad for a control building powered by propane, a turnaround pad, stilling wells, and associated features. They were also informed about the existing spoil materials located at each structure left from the previous contract would need to be processed for use as embankment material, and that construction of cofferdams should be built on top of the existing muck utilizing geotextiles. At the stops for S-632 and S-631, the participants’ attention was directed to the west bank of the L-67A Canal to point out the spoil piles that were expected to be degraded as part of the project.

9. After stopping at the area for S-631, the site visit concluded. Prior to adjourning, the attendees were reminded to ensure they read through all the requirements in the solicitation, to submit any questions they may have in Projnet and further reminded of the response due date of 18 July 2022.

10. The POC for this action is the undersigned at 904-304-5364.

Christopher M. Rego, P.E.

Miami Restoration Resident Engineer

Enclosure