B.07.01 MEM - Prebid site visit 10142020.pdf

14 October 2020

CESAJ-CD-WW

MEMORANDUM FOR THE RECORD: CESAJ-CT

SUBJECT: Okeechobee Waterway, Reach 3 and 4 on the St. Lucie River, Maintenance Dredging 8- Foot Project Martin County, FL Solicitation No.: W912EP20B0013

1. A pre-bid site visit was held for the subject solicitation on October 14, 2020. The sign in sheet is attached.

2. The meeting kicked off at 0910 hrs at the OWW Impoundment (Upland Disposal Area – O-7).

Introductions were made and the Project Engineer discussed the summary of work as provided for in the solicitation’s contract specifications as well as discussing the attached agenda items.

3. Project Engineer read the agenda items to the group (see sign in sheet for attendees). Group was reminded the prospective bidders to follow the Instructions for Technical Inquiries (attached). Agenda discussion was completed at 0920 hrs.

4. Time: 0922 hrs – Group was directed to the Disposal Area dike crest. Contractors took pictures of the site. One of the Contractors asked about the total capacity of the DMMA O-7.

FIND representative replied that the capacity was of 564,125 CY. Contractor also asked about the design elevation for the capacity. USACE reminded the Group that any questions or inquiries need to be submitted via ProjNet.

Group walked on top of the crest towards the DMMA culvert structure. Contractor asked how is water controlled. FIND representative replied that the culvert is weir board controlled. USACE added to submit questions via ProjNet.

5. Time 0940 hrs – Group walked down the crest towards the location of the 30" culvert crossing/pipeline corridor (drawing C-18). Chain link security fence was observed at location, but it was locked. Contractor asked about vegetation/clearing requirements for the pipeline.

USACE responded with the sheet general note #3 of drawing C-18. Any additional questions need to be submitted via ProjNet.

USACE field office requirements was brought as a question from one of the Contractors.

USACE responded to verify solicitation specifications for these requirements and if there are any additional questions to please submit via ProjNet.

Question in regards to lightning was asked from one of the Contractors. USACE stated to verify solicitation specs and EM 385-1-1 requirements.

Camp ground access question was asked. USACE responded to submit question via ProjNet.

6. Time 0955 hrs – Conex box onsite was opened by FIND representative. Contractors had the opportunity to take pictures of the weir boards stored in the conex.

7. Prebid site visit was completed at 1005 hours.

David Marquez Project Engineer

Okeechobee Waterway, Reach 3 and 4 on the St. Lucie River, Maintenance Dredging 8- Foot Project Pre-bid Site Visit

10/14/2020 0900 hours

SOLICITATION NO.: W912EP20B0013

1. Pass around sign in sheet and copy of agenda and attachments.

2. Review “Instructions for technical inquiries and questions” (see attached).

Submit any questions per the ITB.

General Description of Work:

This project will be divided into a Base plus one option. The work includes dredging shoal material from Okeechobee Waterway in Martin County, Florida to an 8-foot depth plus 1-foot allowable overdepth. The base work consist of dredge areas 1 and 2 as shown on the drawings.

The option consist of dredge areas 3 through 8 as shown on the drawings. All dredged material will be placed in an existing Dredged Managed Material Area (DMMA), O-7, located approximately 9.0 miles from the eastern end of Reach 3. Other work includes clearing vegetation for the pipeline corridor. Incidental related work also includes turbidity monitoring, endangered species monitoring, and incidental related work.

1. Site visit / concerns:

a. Safety:

i. Stay together as a group.

ii. Due to COVID-19 CDC Guidelines, please try to maintain 6’ distance from each other and consider wearing a mask.

iii. Watch your foot placement.

iv. Keep vehicles parked in an organized manner.

v. Follow the speed limit.

2. An aerial view of the Okeechobee Waterway, Reach 3 and 4 on the St. Lucie River, Maintenance Dredging 8- Foot Project Pre-bid Site Visit (see attached map). Note the location OWW Impoundment (Upland Disposal Area – O-7).

Okeechobee Waterway, Reach 3 and 4 on the St. Lucie River, Maintenance Dredging 8- Foot Project Pre-bid Site Visit

Time: 0900 Kick off Location: OWW Impoundment (Upland Disposal Area – O-7)

Notes:

Visit was completed hours

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Text Box 0910 hrs: Kicked off meeting Project Engineer read the agenda items to the group (see sign in sheet for attendees). Representative from F.I.N.D. (Florida Inland Navigation District) also joined. Group was reminded the prospective bidders to follow the Instructions for Technical Inquiries (attached). Agenda discussion was completed at 0920 hrs.

0922 hrs: Group was directed to the Disposal Area dike crest. Contractors took pictures of the site. One of the Contractors asked about the total capacity of the DMMA O-7. FIND representative replied that the capacity was of 564,125 CY. Contractor also asked about the design elevation for the capacity. USACE reminded the Group that any questions or inquiries need to be submitted via ProjNet.

Group walked on top of the crest towards the DMMA culvert structure. Contractor asked how is water controlled. FIND representative replied that the culvert is weir board controlled. USACE added to submit questions via ProjNet.

0940 hrs: Group walked down the crest towards the location of the 30" culvert crossing/pipeline corridor (drawing C-18). Chain link security fence was observed at location, but it was locked. Contractor asked about vegetation/clearing requirements for the pipeline. USACE responded with the sheet general note #3 of drawing C-18. Any additional questions need to be submitted via ProjNet.

USACE field office requirements was brought as a question from one of the Contractors. USACE responded to verify solicitation specifications for these requirements and if there are any additional questions to please submit via ProjNet.

Question in regards to lightning was asked from one of the Contractors. USACE stated to verify solicitation specs and EM 385-1-1 requirements.

Camp ground access question was asked. USACE responded to submit question via ProjNet.

0955 hrs: Conex box onsite was opened by FIND representative. Contractors had the opportunity to take pictures of the weir boards stored in the conex.

1005 hrs: Concluded meeting.

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ESTIMATED DREDGING QUANTITIES IN CUBIC YARDS (CY)

BID

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OPTION

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VOLUME TO

DREDGE LOCATION REQUIRED

AREA

DEPTH

CUT OW-10 STA. 13+00 TO STA 36+o0 1,100

2 CUT OW-16B STA. 6+00 TO CUT OW-18 STA. 14+00 14,800

3 CUT OW-19 STA 0+40 TO STA. 28+oo 6,000

4 CUT D STA. 1+00 TO CUT D STA. 5+00 800

5 CUT E STA. 1+20 TO CUT E STA. 7+00 100

6 CUT H STA, 3+00 TO CUT H STA. 8+50 5,000

7 CUT L STA. 0+00 TO CUT L ST A. 2+50 2,300

8 CUT AD STA. 3+00 TO CUT AD STA. 7+50 1,500

NOTE:

TOTALS 31,600

REQUIRED DEPTH AND ALLOWABLE OVERDEPTH VOLUMES INCLUDE ANTICIPATED SHOALING

TO OCCUR BETWEEN THE DATE OF THE SURVEY AND THE COMMENCEMENT OF DREDGING,

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VOLUME IN

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VOLUME

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10,000 11,100

19,500 34,300

8,000 14,000

500 1,300

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9,000 14,000

2,000 4,300

2,500 4,000

52,000 83,600

ST LUCIE INLET

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AUGUSTINE

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DESIGNATION

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SURVEY CONTROL (20-128)

PID NORTHING EASTING

AJ5634 1,032,692.25 895,733.04

BBFH83 1,031,581.66 929,826.28

DQ9605

AF6967 1,026,120.32 925,610.26

HORIZONTAL AND VERTICAL CONTROL POINT

ATLANTIC OCEAN

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EXISTINGS 30-INCH CULVERT CROSSING

D M M A O - 7

SHEET GENERAL NOTES

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FENCE

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PIPELINE CORRIDOR

"TEMPORARY CONSTRUCTION FACILITIES" FOR MORE DETAIL.

THE DISCHARGE PIPELINE. REFER TO SPECIFICATION 01 50 02

3. CLEAR AND REMOVE VEGETATION AS NECESSARY FOR INSTALLATION OF

DISPOSAL AREA" FOR DETAIL ON OPERATIONS OF THE DMMA.

2. REFER TO SPECIFICATION 35 20 23 "DREDGING" SECTION "UPLAND

IS REMOVED.

DISCHARGE PIPELINE INSTALLATION. REPLACE IN-KIND AFTER PIPELINE

1. TEMPORARILY REMOVE OR MODIFY THE FENCE AS NECESSARY FOR THE

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