Amendment 0001_W912P824B0047_(SAM)_06-14-24.pdf

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE

RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

E. IMPORTANT: Contractor is not is required to sign this document and return copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

1. CONTRACT ID CODE

3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

7. ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

15C. DATE SIGNED

15A. NAME AND TITLE OF SIGNER (Type or print)

16C. DATE SIGNED

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

PAGE OF PAGES

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

2. AMENDMENT/MODIFICATION NUMBER

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

CONTRACTING DIV- CHIEF

7400 LEAKE AVENUE, ROOM 172

NEW ORLEANS LA 70118-3651

9B. DATED (SEE ITEM 11)

0001 14-Jun-2024 ED-22-042 W912P8

See Item 6

W912P824B0047

24-May-2024

(X)

X

The subject solicitation for Mississippi River and Tributaries, Morganza to the Gulf of Mexico, Louisiana, Reach A, Phase 1 Levee Construction, Terrebonne Parish, Louisiana (ED 22-042) is hereby amended as follows:

1.) Provides Government responses to bidders questions submitted during the established Q&A period on the attached continuation pages.

2) Incorporates FAR clause 52.211-12 “Liquidated Damages-Construction” by full text.

3) The bid submission deadline of 24 Jun 2024, 11:00AM, local time, as well as the virtual bid opening date and time of 24 Jun 2024, 1:00PM, local time, remains unchanged.

***PLEASE ACKNOWLEDGE THIS AMENDMENT AND SUBMIT WITH YOUR BID***

SECTION 00700

Add the following clause as:

“52.211-12 LIQUIDATED DAMAGES--CONSTRUCTION (SEP 2000)

(a) If the Contractor fails to complete the work within the time specified in the contract, the Contractor shall pay liquidated damages to the Government in the amount of $4,310.00 for each calendar day of delay until the work is completed or accepted.

(b) If the Government terminates the Contractor's right to proceed, liquidated damages will continue to accrue until the work is completed. These liquidated damages are in addition to excess costs of repurchase under the Termination clause.

(End of clause)"

SECTION 01100

1. Page 21. Add the following new paragraph to the end of this section.

“25. SALINITY RESULTS FOR MTG BORROW AREA

The salinity results for the project borrow area borrow borings are attached at the end of this section.”

2. Add the attached Salinity Results For Mtg Borrow Area to the end of this section.

SECTION 31 24 00.00 12

1. Page 13, paragraph 2.1.2. Delete this paragraph in its entirety and substitute the following therefore:

“2.1.2 Sand Fill

The sand fill shall be obtained from a commercial source. The maximum allowable of fines in the sand fill shall be limited to 30 percent passing the No. 200 sieve to insure a relatively stable sand base for construction. The Contractor shall perform gradation tests to determine the percent of fines passing the No. 200 sieve for the Government and/or Contractor furnished sand sources. The frequency of testing shall be one initial test and one test for every additional 250-tons of sand stockpiled or placed or as directed by the Contracting Officer. The sand shall be free from unsuitable material.”

2. Page 15, paragraph 3.3. Delete this paragraph in its entirety and substitute the following therefore:

“3.3 EMBANKMENT WORK ADVANCEMENT

There are no restrictions on the amount of levee that can be under construction at any time. It is the contractor's responsibility to plan and prosecute the work in such a manner as to provide a levee that is built to the design slopes and grades, with the required turf establishment. If the contractor's means and methods damage any portion of a completed levee, the contractor shall be responsible to repair said damage and return the levee to comply with all contract requirements, prior to the completion of construction.”

DRAWINGS

1. SHEET ID Nos. G-002, G-003, G-005, and C-006. Delete these drawings in their entirety and substitute the attached revised drawings SHEET ID Nos. G-002, G-003, G-005, and C-006, therefore.

2. Add the attached new drawing SHEET ID No. H-001.

Bidders Questions and Government Responses W912P824B0047

Question: Can additional information be provided regarding the Tommy Dorcey Bridge? Does this bridge have any restrictions?

Response: This bridge is not approved for access to the project. The only approved access for this project is shown in plans.

Question: Is the Tommy Dorcey access road drivable/accessible all the way to the new levee alignment?

Response: This bridge is not approved for access to the project. The only approved access for this project is shown in plans.

Question: Per the plans, once a 5000' levee section is built to design grade, cross section, seed and fertilized, the contractor will have to continue to pass loaded trucks and equipment across the completed sections. Is the contractor responsible for building these sections back to grade afterwards? Will the contractor be paid to reseed and fertilize the areas that are damaged?

Response: An amendment will be issued to revise the restriction in Section 31 24 00.00 12 to state:

“3.3 EMBANKMENT WORK ADVANCEMENT

There are no restrictions on the amount of levee that can be under construction at any time. It is the contractor's responsibility to plan and prosecute the work in such a manner as to provide a levee that is built to the design slopes and grades, with the required turf establishment. If the contractor's means and methods damage any portion of a completed levee, the contractor shall be responsible to repair said damage and return the levee to comply with all contract requirements, prior to the completion of construction.”

Question: Would 2' or 3' between each culvert be acceptable? 1' gaps makes it very difficult to fill between the pipes.

Response: No, Culverts to be installed as shown in plans.

Question: The sand specification 2.1.2 states "The frequency of testing shall be one test for every 5-tons of sand stockpiles or placed or as directed by the contracting officer". Is this correct? As this can cause the testing to become very expensive.

Response: An amendment will be issued to revise the sentence to state: “The frequency of testing shall be one initial test and one test for every additional 250-tons of sand stockpiled or placed or as directed by the Contracting Officer.”

Question: Is the required geotextile fabric for the culvert base paid under the geotextile fabric CLIN or at no direct pay?

Response: CLIN “Separator Geotextile”

Question: Does the required embankment material backfill for the culverts paid under the embankment CLIN or at no direct pay?

Response: The CLINs, “Embankment, Compacted Fill”, “Sand Fill” and “Surfacing”.

Question: Will a bypass channel be required during the installation of the culverts?

Response: No.

Question: The plans note that the borrow pit is to be excavated to a -25'. Is the contractor required to get to this elevation even if the material becomes unsuitable? If so, where will the unsuitable soil need to be moved to?

Response: Refer to 31 23 00.00 12 paragraph 1.3.2. Material ordered wasted will be handled by an equitable adjustment under the Changes Clause.

Question: Is there enough material in the borrow pits to complete the project if the -25' is not achievable due to the unsuitable soils?

Response: Yes.

Question: Has the abandoned building been inspected for any potential environmental hazardous items?

Response: There are no known hazardous items in the area.

Question: Does the abandoned building have any existing utilities?

Response: No existing utilities have been found in this area.

Question: Drawing C-009 calls out 12" Compacted bedding under the proposed culverts. Specification 32 15 00.00 indicates that this is a crushed stone the same for surfacing. Confirm that the 12" Compacted Bedding will be invoiced under the 11 Surfacing line item and that the quantity for this material is included in this line item as well.

Response: Yes, quantity is included in line item for “Surfacing”.

Question: Can a line item be added to the bid form for pipeline crossings at a unit rate of each?

Response: No, Measurement & Payment for pipeline crossing is identified in Section 01100, Parag. 9 “Utilities & Improvements”, sub-paragraph. “(e)”.

Question: Improvements to Access Road 1 will need to be made. What bid item should these costs be put into for the improvements?

Response: Initial improvements are covered under 32 15 00.00 12. Grading of access roads is incidental. Additional surfacing necessary for maintenance will be directed by the Contracting Officer and paid under “surfacing”.

Question: Improvements to Borrow Access Road will need to be made. What bid item should these costs be put into for the improvements?

Response: Initial improvements are covered under 32 15 00.00 12. Grading of access roads is incidental. Additional surfacing necessary for maintenance will be directed by the contracting officer and paid under “surfacing”.

Question: Drawing C-008 shows the borrow bottom elevation at -25.00 is this from existing ground or elevation in state plane coordinates? What is the depth of the borrow excavation?

Response: Excavation depth is “Elevation -25.0 NAVD88”. See plans for the cross sections and details.

Question: Does the borrow area require any SWPPP documentation or sediment controls?

Response: All areas of the project must comply with Sections 01 57 20.00 12 & 01 57 23.00 12.

Question: The contractor insurance requirements are not provided or included by reference in the Solicitation. Please provide the insurance requirements that shall be carried by Contractor.

Response: Upon award, the Contractor will be requested to provide any required Certificates of Insurance as part of the submittal process.

Question: Per: I. Note the affirmative action program requirement of the equal opportunity clause which may apply to the contract resulting from this solicitation. This note indicates that it “may” apply. Please confirm if this applies to this solicitation and what is required by the Offeror at bid submission time.

Response: The Affirmative Action Program requirement does apply. Please reference 52.222-

23, NOTICE OF REQUIREMENT FOR AFFIRMATIVE ACTION TO ENSURE EQUAL

EMPLOYMENT OPPORTUNITY FOR CONSTRUCTION (FEB 1999) clause on Pages 15 – 16 of the Solicitation for guidance.

Question: Please confirm if a Pre-Award Survey that is often requested in government bid solicitations is required as part of the bid submission.

Response: A Pre-Award Survey is not required as part of the bid submission.

Question: Per FAR Section 00 70 00 - Conditions of the Contract - CLAUSES INCORPORATED BY REFERENCE, 52.219-9 Alt I Small Business Subcontracting Plan (SEP 2023) Alternate I NOV 2016. Due to the fact that this solicitation is 100% Total Small Business, please confirm if a Small Business Subcontracting Plan is required with the bid proposal as per the FAR Clause noted.

Response: A Small Business Subcontracting Plan is not required for this procurement.

Question: Per PDF page 3, Attention to Bidders Checklist, Item 5. Have you furnished all information required by the bid or the specifications? To assist the Offeror with bid submission compliance, will the government clarify what “all information” is required?

Response: It is the potential bidder(s) responsibility to review the solicitation, in its entirety, to determine any and all required submittals for the requirement that will render their bid as responsive.

Question: Per 52.228-1 BID GUARANTEE (SEP 1996), please confirm that the Offeror can by provide a scanned copy of the Bid Guarantee with the electronic bid submission and also please confirm if bid is submitted by electronic submission, if a hard copy of the Bid Guarantee is required to be provided within a certain timeframe of the bid submission date.

Response: The Bid Guarantee and Bid package submission can be submitted electronically. A hard copy of the Bid Guarantee is not required to complete the bid package submission.

Question: Please provide salinity data on the borrow material.

Response: An amendment will be issued to provide the salinity test results for the borrow area and attached at the end of this document.

Question: If salinity data is not available, please provide location and depth of unsuitable material in the borrow area.

Question: Per specification 31 23 00.00 Excavation section 1.2.4 “No measurement will be made for the excavation and disposal of any soft material in the existing foundation that is forced outward from the section due to embankment operations.”, Can this material be disposed/spread of at the toe of the levee similar to the organics? If not, where is this material to be disposed?

Response: Material can be placed in a windrow outside levee toe in the 15‐foot cleared zone and see section 31 11 00.00 12, 3.4 “Disposal of Debris”.

Question: Does the government have an estimated quantity for the disposal of soft material being displaced?

Response: No, will be windrowed in the 15-foot cleared zone outside of the levee toe.

Question: Does the government have any historical quantities on previous projects for the disposal of soft material being displaced?

Response: No.

Question: Per the NOTE THE CERTIFICATION OF NONSEGREGATED FACILITIES IN THIS SOLICITATION. Bidders, offerors, and applicants are cautioned to note the "Certification of Non-segregated Facilities" in the solicitation. Failure of a bidder or offeror to agree to the certification will render his bid or offer non-responsive to the terms of solicitations involving awards of contracts exceeding $10,000 which are not exempt from the provisions of the Equal Opportunity clause. A CERTIFICATION OF NONSEGREGATED FACILITIES does not appear to be included in the solicitation. Can the government please provide the Certification of Non-segregated Facilities form?

Response: By submission of a firm(s) offer or bid, the Offeror or bidder certifies that he/she does not permit his/her employees to perform their services at any location under his/her control, where segregated facilities are maintained. He/she certifies further that he/she will not maintain or provide for his/her employees any segregated facilities at any one of his/her establishments, and that he/she will not permit his/her employees to perform their services at any location under his/her control, that a breach of this certification is a violation of the Equal Opportunity Clause in the Contract.

Question: In Section 00700, Clause 52.211-12 “Liquidated Damages-Construction has been omitted from this section. Please provide the bidders with this clause.

Response: FAR clause 52.211-12 “Liquidated Damages-Construction” has been incorporated by full text into this amendment.

Question: Section 31 23 00.00 12, Paragraphs 1.2.4 and 1.3.4 states that there will be no measurement and payment for the excavation and disposal of any soft material in the existing foundation that is forced outward from the section due to embankment operations. Since Bidders have no way of determining the amount of effort or costs involved in performing that work, please consider handling this condition under Contract Clause entitled “Changes”.

Response: Estimate the section as written.

Question: Section 31 23 00.00 12, Paragraph 3.2.1 requires the Contractor to encapsulate the levee core material with 12 inches of embankment material having a salinity content of less than 1,500 ppm. The soil borings provided to the Bidders do not show the salinity content of the Government Furnished Borrow Material. Please provide the Bidders with this information.

Question: Section 31 24 00.00 12, Paragraph 3.2.1 states that “Embankment material may be placed in water until it is 1-foot above water surface, at which point, compaction methods begin.

If the natural ground which embankment material is being placed is highly saturated but contains no standing water, can a 1-foot bridge lift be placed prior to commencing with compaction methods?

Response: As stated, compaction method to begin at 1-foot above water surface.

Question: On Sheet C-001, the access across the two pipelines don’t seem to connect to the compacted fill levee. This condition is also depicted on Sheet C-011 which shows a ramp sloping down to natural ground from the timber mat bridges. Please consider connecting the compacted fill levee with a levee road as shown on Sheet C-005.

Response: The contractor will be allowed to field fit the crossing to the levee as shown, with approval of the Contracting Officer.

Question: On Sheet C-005, an area 15 feet wide near the land side and flood side right-of-way is shown to be fertilized, seeding and mulched. Will this requirement be waived if this area is highly saturated or under water?

Response: Turf Establishment is not required for areas below the surface of water.

Question: Based on engineering analysis performed for this project, what is the anticipated depth of settlement that will occur during construction of the levee embankment?

Response: Approximately 1-foot.

Question: Please provide bidders with estimated quantities on items of work for which bids are being solicited on a job basis.

Response: “JOB” Quantities are attached at end of document.

Question: Are there any liquidated damages?

Response: FAR clause 52.211-12 “Liquidated Damages-Construction” has been incorporated by full text into this amendment.

Question: Is this project sales tax exempt?

Response: No.

Question: Can we stockpile materials on site? If so, are there pre-designated stockpile areas?

Response: Area identified for limits of excavation maybe used for stockpile as pit is being developed. Stockpiling/processing material within the levee footprint is not allowed.

Question: What bid item should we include the price of settlement gauges with?

Response: If contractor elects to use settlement plates the item should be incidental to the bid item for Embankment.

Question: What do we do with the clearing of materials? Can we burn on site or does it have to be hauled off?

Response: Approved disposal areas and methods are available in Section 31 11 00.00 12 “Clearing and Grubbing”.

Question: Do we need to muck the footprint of levee prior to levee construction? If so is this hauled off site?

Response: No Mucking.

Question: What are the insurance requirements? Such as workers comp, general liability insurance, automobile, pollution?

Response: Upon award, the Contractor will be requested to provide any required Certificates of Insurance as part of the submittal process.

Question: Please provide take off quantities for Job items.

Response: “JOB” Quantities are attached at end of document.

Question: Please confirm pipe bedding material will be measured and paid for as Surfacing (Granular) per spec 32 15 00.00 12 – 1.4.1

Response: Yes, confirmed.

Question: Please confirm that drainage excavation for the culverts will be measured and paid for as Excavation per spec 31 23 00.00 12 – 1.2.3

Response: Yes, confirmed.

Question: Will the 12” thick sand bedding layer for the 24” and 48” CMP culverts be measured and paid for as Sand Fill or is it incidental to the Drainage Culvert pay items?

Response: Sand Fill.

Question: Where do we find the liquidated damages for this contract?

Response: FAR clause 52.211-12 “Liquidated Damages-Construction” has been incorporated by full text into this amendment.

Question: It appears the borrow pit is part of an existing borrow pit which is currently holding water. Please provide cross sections of the existing borrow pit so we can determine the depth of the existing cut.

Response: The “limits of excavation” in the borrow area, as shown in plan and cross sections are not part of an existing pit.

Question: Please provide details or information of what on the jobsite requires demolition.

Response: The item for demolition is identified in specification 02 41 00.00 “Demolition” and located in plan as “BLD” on dwg. C-002.

Question: Are the “Current Small Business Program Target Percentages” goals or requirements?

Response: Goals.

Question: Please provide the anticipated amount of settlement expected.

Response: Approximately 1-foot.

Question: Specification section 31 23 00.00 12, paragraph 3.1.3 states “For borrow areas which contain all high salinity content soils, the contractor shall obtain the encapsulating material from another Government-furnished borrow source, which will be provided if needed.”

Does the Government-furnished borrow area currently provided for this contract contain the necessary quantity of low salinity material?

Question: Where is the additional Government-furnished borrow source which will be provided if needed located so we can figure any additional freight cost?

Response: An additional pit has not been identified at this time.

Question: Is the Contractor required to use the Government-furnished borrow source to provide all necessary clay on this contract?

Response: Yes.

Question: Does the Government-furnished borrow source contain enough suitable material to provide the necessary quantity of clay on this project?

Response: Yes.

Question: Please provide a hydrograph for the project area.

Response: An amendment will be issued to provide a hydrograph to be added to the plans.

Question: Specification section 31 23 00.00 12, paragraphs 1.2.4 and 1.3.4 “Soft Material in the Foundation” states no measurement or payment will be made for any soft material in the existing foundation that is forced outward from the section due to embankment operations. The cost for removal of the material shall be included in the applicable contract unit or job price to which the work is incidental.

How is the contractor expected to quantify the mud wave material produced and account for this in his bid when it cannot be accurately determined?

Please consider handling any mud wave under the changes clause.

Response: Estimate the section as written.

Question: Can the mud wave material produced remain onsite and be spread within the right of way?

Response: Material can be placed in a windrow outside levee toe in the 15-foot cleared zone.

W912P8-24-B-0047

Project:

Mississippi River & Tributaries Morganza to the Gulf of Mexico, Louisiana Reach A, Phase 1 Levee Construction

Unit Estimated Item Description Quantity

0001 N/A

0002 Traffic Control and Coordination 1

0003 Truck Wash-Down Rack EA 1

0004 Demolition SF 432

0006 Clearing and Grubbing ACR 75.2

0007 Borrow Pit Development ACR 25.10

JOB QTO PAGE 1 OF 1

Base Work

Mobilization and Demobilization

During the lifetime of this project, only one mobilization and demobilization will be required.

Traffic Control and Coordination shall be implemented in accordance with the plans andspecifications and LaDOTD standards.

It is expressly understood that the accuracy of these estimates is in no wise warranted and that the furnishing of this information to a bidder will not relieve him/her of his/hers responsibility to estimate the quantities involved. It is further to be expressly understood in no case will such estimate be used as a basis of a claim against the Government.

Salinity Results for MTG Borrow Area

Salinity of 1000 ppm or more is highlighted yellow and 1500 or more highlighted orange.

MTG A100 1U 1B

Depth (ft) Salts, ppm LSU classification Construction manual classification

MTG A100 1U 5A

Depth (ft) Salts, ppm LSU classification Construction manual classification

15.0 ‐ 15.3

MTG A100 02BB

Depth (ft) Salts, ppm LSU classification Construction manual classification

0.5 ‐ 1.0 454.4

3.0 ‐ 3.4

5.0 ‐ 5.4

10.8 ‐ 11.3 1495.04 High

15.2 ‐ 15.6

17.5 ‐ 18.0

20.5 ‐ 21.0

22.5 ‐ 24.0 1,989.12 Very High High

MTG A100 03BB

Depth (ft) Salts, ppm LSU classification Construction manual classification

0.5 ‐ 1.0 1,683.20 Very High High

3.0 ‐ 3.5

6.0 ‐ 6.5

7.5 ‐ 8.0

10.5 ‐ 11.0

13.0 ‐ 13.5 739.84 Medium

15.5 ‐ 16.0

18.5 ‐ 19.0

20.5 ‐ 21.0

24.0 ‐ 24.5 640 Medium

MTG A100 04BB

Depth (ft) Salts, ppm LSU classification Construction manual classification

1.0 ‐ 1.5 130.82 Very low

2.5 ‐ 3.0

5.0 ‐ 6.5

8.0 ‐ 8.5

10.0 ‐ 10.5 1,333.76 High

15.5 ‐ 16.0

17.5 ‐ 18.0

20.5 ‐ 21.0

23.5 ‐ 25.0 1,351.68 High

MTG A100 05U 1B

Depth (ft) Salts, ppm LSU classification Construction manual classification

0.5 ‐ 1.5

Of the 63 samples below, 21 (red font) were sent to LSU's Soil Testing and Plant Analysis lab to be tested for salinity for an initial screening. See Sheet 2 for more info from LSU on salinity.

LSU classifies 1000 ppm as high and 1500 ppm as very high. According to the USACE Contruction Control Manual on Sampling & Testing

Construction Materials Reporting Test Results, high salinity is 1500 ppm or more.

MTG A100 05U 4D

Depth (ft) Salts, ppm LSU classification Construction manual classification

13.5 ‐ 14.0

MTG A100 06BB

Depth (ft) Salts, ppm LSU classification Construction manual classification

2.5 ‐ 3.0 1,896.96 Very high High

5.0 ‐ 7.9

12.0 ‐ 12.5

20.0 ‐ 20.5 2,632.96 Very High High

20.5 ‐ 21.0

23.5 ‐ 24.0 1,056.00 High

MTG A100 07BB

Depth (ft) Salts, ppm LSU classification Construction manual classification

0.5 ‐ 1.0 1,319.68 High

3.5 ‐ 4.0

5.5 ‐ 6.0

7.0 ‐ 7.5

11.5 ‐ 12.0 1,064.96 High

15.5 ‐ 16.0

18.5 ‐ 19.0

21.0 ‐ 21.5

28.5 ‐ 29.5 1,414.40 High

MTG A100 08BB

Depth (ft) Salts, ppm LSU classification Construction manual classification

0.5 ‐ 1.0 2,048.00 Very high High

6.0 ‐ 6.5

9.0 ‐ 9.5

11.0 ‐ 11.5 515.84 Low

15.0 ‐ 15.5

18.0 ‐18.5

20.5 ‐ 21.0

22.5 ‐ 24.0 1,429.76 High

MTG A100 09BB

Depth (ft) Salts, ppm LSU classification Construction manual classification

1.0 ‐ 1.5 1,286.40 High

5.0 ‐ 5.5

8.0 ‐ 8.5

10.5 ‐ 11.0

13.0 ‐13.5 592.64 Low

15.5 ‐ 16.0

18.0 ‐ 18.5

21.0 ‐ 21.5

23.0 ‐ 24.0 800 Medium

PHASE 1 LEVEE CONSTRUCTION

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C-006

DUB 11

24005 C 1

24005 C 2

C -0

HOUMA

SUNSHINE

THERIOT

I N T R A C O A S T A L

W A T E R W A Y

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MANDALAY NATIONAL WILDLIFE REFUGE

T E R R E B O N N E P A R I S H , L O U I S I A N A

NUMBER

DETAIL

DETAILED INFORMATION

AREA ENLARGED FOR

DETAILED INFORMATION

AREA ENLARGED FOR

NUMBER

DETAIL

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BREAK LINE

BENCHMARK

EXISTING GROUND

AERIAL POWER LINE

NATURAL GAS LINE

WATER MAIN

RIGHT OF WAY

PROJECT BASELINE

LEVEE CROWN (PLAN VIEW)

LEVEE TOE (PLAN VIEW)

LEVEE CENTERLINE

CONCRETE PAVING

EARTHWORK - CRUSHED ROCK GRAVEL

EARTHWORK - COMPACTED FILL

EXISTING GROUND

STAGING AREA

CONSTRUCTION LIMIT/

SAND FILL

(SECTIONS / PROFILE)

CONSTRUCTION GRADE

GENERAL LEGEND

INDEX OF DRAWINGSNO.

COVER SHEETG-001

G-002

G-003

G-004

LOCATION AND VICINITY MAPS

B-001

BORING LOGS

BORING LEGEND

B-002 - B-003

GENERAL NOTES & LEGEND, INDEX OF DRAWINGS, & TABULATION OF BENCHMARKS

PLAN - STAGING AREA AND ACCESS ROAD 1C-006

C-009

C-010

CULVERT DETAILS

RAMP AND LEVEE TRANSITION DETAILS

GENERAL NOTES:

TABULATIONS OF FACILITIES WITHIN LIMITS OF CONSTRUCTION

C-001 - C-004 LEVEE PLAN AND PROFILE

MISCELLANEOUS DETAILS

CROSS SECTIONSCS-01 - CS-09

BORROW AREA AND ACCESS PLANC-007

TYPICAL BORROW EXCAVATION SECTIONC-008

BORROW BORING LOGSB-004 - B-005

TYPICAL DESIGN SECTIONSC-005

CS-10 - CS-12 CROSS SECTIONS - BORROW AREA

C-011

G-005 TABULATIONS OF EASEMENTS & CENTERLINES

H-001 HYDROGRAPH - GIWW AT HOUMA

TABULATION OF BENCHMARKS

BENCHMARK

(EPOCH)

(NAVD 88)

ELEVATION

DESCRIPTION

"24005 C 1 2024"

STAMPING:

PID: BBJP68

24005 C 1

(PRIMARY PCP)

OF TOMMY DARCEY BR., 28 FT EAST OF THE CENTERLINE OF VICE RD., AND MARKED WITH AN ORANGE CARSONITE POST.

STATION IS A DEEP ROD SET AT THE NORTHEAST CORNER OF THE INTERSECTION, LOCATED 34 FT NORTH OF THE CENTERLINE TURN RIGHT. TRAVEL 80 FT AND THE STATION IS ON THE RIGHT AT THE CORNER OF TOMMY DARCEY BR. AND VICE RD. THE DULARGE RD., TRAVEL SOUTH ON BAYOU DULARGE RD. FOR 6.4 MILES TO THE INTERSECTION AT TOMMY DARCEY BR. AND LA, AND 3.0 MILES NORTH OF THERIOT, LA. TO REACH THE STATION FROM THE INTERSECTION OF BAYOU BLACK DR. AND BAYOU THE STATION IS LOCATED IN TERREBONNE PARISH, 6.0 MILES SOUTH OF HOUMA, LA, 4.9 MILES SOUTHEAST OF WATERPROOF, "24005 C 2 2024"

STAMPING:

PID: BBJP66

24005 C 2

364930.56Y =

3465269.83X =

LON. 90° 45' 12.76395"

LAT. 29° 30' 07.89676"

GEOID 18

NAVD 88 (2009.55)

EL. 5.04 FT

353738.49Y =

3460373.49X =

LON. 90° 46' 08.79494"

LAT. 29° 28' 17.34210"

GEOID 18

NAVD 88 (2009.55)

EL. 2.38 FT

A DITCH, AND 33 FT NORTHWEST OF THE CENTERLINE OF THE GRAVEL CANE FIELD ROAD.

TO THE STATION ON THE RIGHT. THE STATION IS 175 FT SOUTHEAST OF A TREE LINE, 165 FT NORTHWEST OF THE TOP BANK OF TO THE INTERSECTION AT A GRAVEL CANE FIELD ROAD AND TURN RIGHT. TRAVEL DOWN THE CANE FIELD ROAD FOR 1.5 MILES INTERSECTION OF BAYOU BLACK DR. AND BAYOU DULARGE RD., TRAVEL SOUTH ON BAYOU DULARGE RD. FOR 8.1 MILES SOUTH-SOUTHEAST OF WATERPROOF, LA, AND 1.2 MILES NORTH OF THERIOT, LA. TO REACH THE STATION FROM THE THE STATION IS LOCATED IN TERREBONNE PARISH, 8.8 MILES SOUTH-SOUTHWEST OF HOUMA, LA, 6.4 MILES

"DUB 11"

STAMPING:

PID: AH6274

DUB 11

357638.72Y =

3467111.01X =

LON. 90° 44' 52.34963

LAT. 29° 28' 55.61807

(2009.55-16)

NAVD 88

EL. 3.31 FT

OF POWER POLE, AND 20.7 FEET EAST OF CENTERLINE OF ROAD.

RIGHT. THE STATION IS A 2 INCH DISK IN CONCRETE. THE STATION IS 135.7 FEET NORTH OF ROAD SIGN, 68.8 FEET SOUTH

TO A STOP SIGN. TURN LEFT ONTO HIGHWAY 315 AND TRAVEL SOUTH FOR 6.9 MILES TO THE STATION LOCATED ON THE

AND TRAVEL WEST FOR 1.70 MILES TO THE JUNCTION WITH HIGHWAY 315. TRAVEL SOUTH ON HIGHWAY 315 FOR 1 MILE

REACH THIS STATION FROM THE INTERSECTION OF HIGHWAY 182 AND HIGHWAY 24, TURN RIGHT ON HIGHWAY 182

CENTER, 7.13 MILES SOUTH OF THE LEONARD J CHABERT MEDICAL CENTER, AND 9.73 MILES WEST OF CHAUVIN. TO

THE STATION IS LOCATED IN TERREBONNE PARISH, LA. THE MARK IS LOCATED 1.6 MILES NORTH OF THE DULARGE

REQUIREMENTS, AND USACE SAFETY MANUAL "EM-385-1-1".

15. ALL WORK AROUND HIGH VOLTAGE POWER LINES SHALL BE IN ACCORDANCE WITH OSHA, ENTERGY

EXISTING CONDITIONS PRIOR TO THE START OF CONSTRUCTION.

14. CONTRACTOR SHALL VISIT THE SITE OF WORK AND COMPLETELY INFORM HIMSELF RELATIVE TO THE

KEPT MOIST TO PREVENT BLOWING.

TRANSPORTING EARTHEN MATERIAL WITHIN THE LEVEE RIGHT-OF-WAY. THE EMBANKMENT SHALL BE

13. DUST CONTROL - CONTRACTOR SHALL TAKE MEASURES TO PREVENT UNNECESSARY DUST WHILE

THE WORK.

OPERATED IN A MANNER TO CAUSE THE LEAST NOISE, CONSISTENT WITH EFFICIENT PERFORMANCE OF

MACHINERY & VEHICLES SHALL BE EQUIPPED WITH STANDARD SOUND MUFFLING DEVICES, AND

FOR THE AMBIENT SOUND LEVELS IN THE AREA DURING WORKING HOURS. ALL CONSTRUCTION

12. NOISE CONTROL - CONTRACTOR SHALL TAKE MEASURES TO AVOID UNNECESSARY NOISE APPROPRIATE

RESULT OF HIS NEGLIGENCE. THE DAMAGE SHALL BE REPAIRED AT THE CONTRACTOR'S EXPENSE.

11. THE CONTRACTOR IS RESPONSIBLE FOR ANY DAMAGE TO EXISTING UTILITIES IF DAMAGE OCCURS AS A

PRIOR TO CONSTRUCTION. SEE SPECIFICATIONS FOR A LIST OF ALL UTILITY CONTACTS.

COMPANIES. IT IS THE CONTRACTOR'S RESPONSIBILITY TO VERIFY ALL EXISTING UTILITY LOCATIONS

PURPOSES ONLY AND ARE BASED, IN PART, ON INFORMATION PROVIDED BY THE RESPECTIVE UTILITY

10. LOCATION OF EXISTING UTILITIES INDICATED ON THE PLAN SHEETS ARE SHOWN FOR INFORMATIONAL

1988, EPOCH 2009.55 (NAVD 88 (2009.55)) USING GEOID 12B, UNLESS OTHERWISE STATED.

9. ALL ELEVATIONS ARE EXPRESSED IN US FEET AND REFER TO THE NORTH AMERICAN VERTICAL DATUM OF

DRAWING IS OBVIOUSLY OUT OF SCALE.

8. DRAWINGS ARE GENERALLY TO SCALE, BUT SHOULD NOT BE SCALED. NTS IS SHOWN ONLY WHERE

CONTRACTOR SHALL VERIFY ACTUAL DIMENSIONS IN THE FIELD.

7. DIMENSIONS AND/OR ELEVATIONS MARKED PLUS OR MINUS (+/-) ARE APPROXIMATE READING. THE

6. ALL THE STATIONS ARE CENTERLINE STATIONS UNLESS OTHERWISE NOTED.

5. AERIAL PHOTOGRAPHY FLOWN IN 2021.

NATIONAL ADJUSTMENT 2011 (NAD83(NA2011)).

HORIZONTAL COORDINATE SYSTEM (GRID PLACE), SOUTH ZONE (1702) NORTH AMERICAN DATUM OF 1983,

4. ORIGINAL DATA COMPILED IN THE US SURVEY FEET AND REFERENCE TO THE LOUISIANA STATE PLANE

DASHED TICKS AND LAMBERT CONFORMAL CONIC PROJECTION IS REPRESENTED BY SOLID TICKS.

3. INSIDE PLAN AREAS, POLYCONIC PROJECTION 1983 NORTH AMERICAN DATUM IS REPRESENTED BY

2. HORIZONTAL DISTANCES ARE MEASURED IN US SURVEY FEET.

ORLEANS DISTRICT SURVEY SECTION (504) 862-1847.

1. THE DESCRIPTIONS OF HORIZONTAL AND VERTICAL CONTROL POINTS ARE AVAILABLE FROM THE NEW

28. ACCESS GATES TO THE BORROW AREA SHALL BE CLOSED AND SECURED WHEN THE SITE IS NOT IN USE.

FARMERS. THE CONTRACTOR SHALL NOT BLOCK ROADS AND IMPEDE THEIR OPERATONS.

27. ACCESS ROADS TO THE LEVEE AND BORROW AREAS ARE SHARED WITH ADJACENT LANDOWNERS AND

CONTRACTOR AS TO NOT IMPEDE OPERATIONS OR ACCESS.

SURFACE INVESTIGATIONS. THE CONTRACTOR SHALL COORDINATE ACTIVITIES WITH THE THIRD PARTY

26. A THIRD PARTY CONTRACTOR MAY STILL BE PRESENT WITHIN THE PROJECT LIMITS PERFORMING SUB-

LIABILITY FOR DAMAGE.

ROAD BEYOND THE PROJECT LIMIT. A SPECIAL PERMIT DOES NOT DECREASE THE CONTRACTOR'S

SUPPLIERS SHALL OBSERVE LEGAL ROAD LIMIT, WHEN HAULING EQUIPMENT MATERIALS ON PUBLIC

ORDNANCES INCLUSIVE OF POSTED WEIGHT LIMITS. THE CONTRACTOR, SUBCONTRACTOR, OR

25. ALL CONTRACTOR HAULING OPERATIONS SHALL ABIDE BY FEDERAL, STATE, AND LOCAL LAWS AND

DRAWINGS FOR LIMITS.

24. ALL NEW AND DISTURBED EMBANKMENTS AND GROUND NOT COVERED BY WATER SHALL BE TURFED. SEE

FREE OF DEBRIS AFTER CONSTRUCTION.

23. ALL NEW/ EXISTING DRAINAGE FEATURES WITHIN PROJECT LIMITS SHALL BE REQUIRED TO BE CLEANED

FEDERAL SPONSOR (NFS).

OF THE PROJECT, UNTIL THE COMPLETED PROJECT IS TURNED OVER TO ITS ENTIRETY TO THE NON

MAINTENANCE OF THE ENTIRE LEVEE (FLOOD SIDE, LAND SIDE, AND BERMS) THROUGHOUT THE LIMITS

22. ONCE GIVEN THE NOTICE TO PROCEED (NTP), THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE

HIGHWAYS SHALL BE CLEANED DAILY OF MUD, DEBRIS ETC.

CONTRACTOR SHALL HAVE WASH RACKS, SWEEPERS AND SCRAPERS ONSITE. ALL STREETS AND

21. THE CONTRACTOR SHALL KEEP ALL STATE AND FEDERAL HIGHWAYS CLEAN DURING CONSTRUCTION. THE

CONDITION THROUGHOUT THE DURATION OF THE CONTRACT.

20. THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING ALL ACCESS ROADS IN WORKING

CONTRACT.

19. THE CONTRACTOR SHALL CLEAN AND REMOVE ALL TRASH IN THE PROJECT LIMIT PRIOR TO END OF

18. SPEED LIMIT WITHIN CONSTRUCTION LIMITS IS 10 MPH.

(RIGHT), UNLESS OTHERWISE NOTED.

17. OFFSETS REFLECT A PERPENDICULAR OFFSET (90 DEGREES) FROM THE C/L LISTED AS LT. (LEFT) OR RT.

CONDITIONS WHICH WILL AFFECT THE PERFORMANCE OF THE WORK.

OWN EXPENSE, MAY MAKE ADDITIONAL SURVEYS AND INVESTIGATIONS AS NECESSARY TO DETERMINE

MATERIALS WHICH WILL BE ENCOUNTERED BETWEEN THE BORING LOCATIONS. THE CONTRACTOR, AT HIS

16. THE CONTRACTOR SHALL MAKE HIS OWN INTERPRETATION OF THE CHARACTER AND CONDITION OF THE

X

SCALE:

TITLE

X

(SHOWN ON SAME SHEET)

DETAIL

(SHOWN ON ANOTHER SHEET)

DETAIL

X

SHT #

(SHOWN ON SAME SHEET)

OR SECTION TITLE

PLAN, ELEVATION, DETAIL

X

SHT #

X

CROSS REFERENCE SYMBOL LEGEND

(SHOWN ON SAME SHEET)

SECTION CUT

(SHOWN ON ANOTHER SHEET)

SECTION CUT

G-005

T A

B U

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1 98765432

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US Army Corps

U .S

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POINT NO.

Y - COORDINATEX - COORDINATE

STATE PLANE COORDINATES

3466851.54

3466764.20

3466642.57

3466584.72

3466102.49

3465816.86

3465413.93

3465104.26

3464824.55

3464280.61

3464088.65

3463926.60

3463826.52

3463761.97

3463620.47

3463601.15

3463592.16

3463560.74

3463202.51

3462844.28

356245.81

356236.57

356183.77

356169.47

356232.69

356257.46

356309.62

356317.58

356343.15

356459.41

356482.94

356507.62

356535.50

356571.65

356677.28

356702.49

356769.12

356791.02

356953.97

357116.91

POINT NO.

Y - COORDINATEX - COORDINATE

STATE PLANE COORDINATES

3462513.80

3462528.97

3462858.11

3463216.88

3463575.65

3463620.13

3463630.81

3463778.34

3463838.04

3463932.91

3464092.73

3464285.31

3464829.15

3465106.01

3465416.25

3465820.08

3466105.73

3466583.02

3466632.93

3466729.30

3466850.13

357310.72

357336.60

357143.57

356980.39

356817.20

356786.19

356707.01

356596.86

356563.44

356537.00

356512.66

356489.06

356372.86

356347.55

356339.57

356287.29

356262.52

356199.96

356212.29

356254.12

356277.17

ROAD EASEMENT (ACCESS ROAD 1)

TABULATION OF THE PERPETUAL NON-EXCLUSIVE

POINT NO.

Y - COORDINATEX - COORDINATE

STATE PLANE COORDINATES

POINT NO.

Y - COORDINATEX - COORDINATE

STATE PLANE COORDINATES

PROTECTION LEVEE EASEMENT

TABULATIONS OF THE NEW PERPETUAL FLOOD

Y - COORDINATEX - COORDINATE

STATE PLANE COORDINATES

C/L STATION

TABULATION OF THE NEW LEVEE CENTERLINE (C/L)

C/L STA. 3684+00.00

C/L STA. 3676+30.33

C/L STA. 3644+36.46

C/L STA. 3625+01.01

C/L STA. 3612+57.01

C/L STA. 3538+74.41

C/L STA. 3530+26.28

C/L STA. 3512+00.00

3459038.64

3459540.55

3460928.85

3460383.38

3460899.74

3463344.03

3463182.14

3462059.74

372720.38

372136.87

369260.51

367403.53

366271.75

359305.53

358473.00

357032.04

5 13

POINT NO.

Y - COORDINATEX - COORDINATE

STATE PLANE COORDINATES

1A

5 3466729.30

3466634.86

3466635.40

3466863.50

3466830.07

3466822.53

356254.12

356521.73

356717.54

356659.98

356467.47

356273.84

AREA EASEMENT FOR STAGING

TABULATION OF THE TEMPORARY WORK

3461913.79

3461126.44

3459384.48

3463152.86

3463535.20

3463008.99

3458898.39

3459178.89

357145.73

369276.75

372034.61

359291.61

359319.45

358551.76

372599.74

372841.02

3462205.69

3463355.29

3460580.32

3461071.53

3460186.44

3459696.62

3460727.95

3460731.26

356918.36

358394.24

367417.57

366340.92

367389.49

372239.13

366202.59

369244.28

POINT NO.

Y - COORDINATEX - COORDINATE

STATE PLANE COORDINATES

A

B

C

D

E

3464259.70

3464205.66

3464175.88

3464153.85

3464236.21

3464248.74

3464265.52

3464119.07

3464277.72

355981.86

356468.60

356472.25

355973.11

355959.53

355927.43

355837.33

356012.97

355935.70

(BORROW ACCESS ROAD)

TABULATION OF THE TEMPORARY NON-EXCLUSIVE ROAD EASEMENT

F

G

H

I

J

K

L

M

N

O

P

Q

R

POINT NO.

Y - COORDINATEX - COORDINATE

STATE PLANE COORDINATES

S

T

U

V

W 3465777.53

3465804.11

3466151.99

3464732.78

3464299.32

355300.13

354675.82

353717.25

353125.75

354492.70

AREA EASEMENT (BORROW AREA)

TABULATION OF THE TEMPORARY WORK

3464688.36

3464491.42

3464660.44

3464463.08

3464168.27

3464150.49

3464215.02

3464294.70

3464222.40

354704.16

355205.36

354693.19

355195.44

356002.22

356022.59

355969.06

355844.51

355998.64

POINT NO.

X - COORDINATE Y - COORDINATE

STATE PLANE COORDINATES

POINT NO.

Y - COORDINATEX - COORDINATE

STATE PLANE COORDINATES

3464765.76

3464454.90

3464329.39

3464638.19

3464978.53

3465904.67

3464722.33

3465775.03

3465747.61

354200.63

354086.13

354480.64

354649.37

353882.72

354268.82

354695.03

354670.42

355255.29

(BORROW AREAS 1 & 2)

TABULATION OF LIMITS OF EXCAVATION

Y - COORDINATEX - COORDINATE

STATE PLANE COORDINATES

B/L STATION

TABULATION OF THE BORROW AREA BASELINE (B/L)

114+96.30 BA

100+00.00 BA

3465442.39

3464866.75

353421.50

354802.64

1B

41 42

(4,730' X 24')

C/L ACCESS ROAD 1

(ACCESS ROAD 1)

PERPETUAL NON-EXCLUSIVE ROAD EASEMENT

(STAGING AREA)

TEMPORARY WORK AREA EASEMENT

(SEE DWG. C-007)

BORROW AREA ACCESS ROAD

TIE-IN WITH ACCESS RAMP

1A

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HYRODGRAPHS INDICATE NO READINGS AVAILABLE.

U.S. ARMY CORPS OF ENGINEERS DISTRICT, VICKSBURG. GAPS IN THE STAGE

A MORE COMPLETE HISTORY OF WATER STAGES IS AVAILABLE FROM THE

PATTERN THAT MIGHT BE INFERRED.

NATURE AND MAY DIFFER DRASTICALLY AT ANY TIME FROM ANY HISTORICAL

ANY APPARENT HISTORICAL PATTERNS, ARE DEPENDENT UPON VAGARIES OF

EXPECTED TO UNDERSTAND THE FACT THAT FUTURE WATER STAGES, DESPITE

IS INTENDED AS TO FUTURE WATER STAGES. THE SUCCESSFUL OFFEROR IS

THESE HYDROGRAPHS DEPICT HISTORICAL FACT ONLY AND NO PREDICTION

NOTE :

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2008 2009 2010

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2017 2018 2019

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