Amendment_0001_Final.pdf

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Attached to
2017 Flood Upper Pontchartrain Sector Seepage Federal contract opportunity
Solicitation number
W912P819B0041
Issued by
Department of the Army Corps of Engineers Engineering District New Orleans

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W912P819B0041 Amendment 01

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2019-07-22-Upper_Pontchartrain_Seepage_-_Questions_and_Clarifications.pdf PDF
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A.02_PART_(III)_AMENDMENT_0006.pdf PDF
A.02__Amendment_0005.pdf PDF
Amendment_0004.pdf PDF
Amendment_0003.pdf PDF
Amendment_0002.pdf PDF
19B0041_specs.pdf PDF
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Plans_2.pdf PDF
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Text version

ED 18-070

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

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

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

The above numbered solicitation for Mississippi River and Tributaries (MR&T) Upper Pontchartrain Seepage Control, Item M-225L B/L Sta.

160+00 to B/L Sta. 181+00 East Baton Rouge Parish, Louisiana is hereby amended as show n in the attached pages.

The submission of bidder questions are hereby re-opened, but limited to the contents contained w ithin this amendment. The deadline for the submission of questions is 2:00pm local time, 29 May 2019.

THE BID OPENING DATE HAS BEEN RE-SCHEDULED TO 25 JUNE 2019, 2PM LOCAL TIME

Note: Due to some parties having diff iculty opening the original solicitation and draw ings, reduced file PDF versions of each w ill be posted along w ith the contents of this amendment.

1. CONTRACT ID CODE PAGE OF PAGES

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

16C. DATE SIGNED

BY 23-May-2019

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W912P819B0041

X 9B. DATED (SEE ITEM 11)

25-Apr-2019

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

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

Offer 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 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram 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 telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

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

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

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

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, 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)

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

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

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

23-May-2019

CODE

USACE, CONTRACTING DIVISION

ATTN: CEMVN-CT, ROOM 172

7400 LEAKE AVE.

NEW ORLEANS LA 70118-3651

W912P8 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

“The Contractor shall have on the construction site during working hours a trained Site Safety and Health Officer (SSHO) in accordance with paragraph 01.A.17 of EM 385-1-1.

The SSHO may have other duties than SSHO. The Contractor shall not commence physical work at the site until the Contracting Officer, or his/her authorized representative has accepted the program. The Contractor may submit its Activity Hazard Accident Prevention Program only for the first phase of construction provided that it is accompanied by an outline of the remaining phases of construction. All remaining phases shall be submitted and accepted prior to the beginning of work in each phase. Also refer to Section 1 of EM 385-1- 1.”

2. Page 7, paragraph 4(a). In the table, change “480 square feet” to “240 square feet”.

3. Page 21, paragraph 22. Delete this paragraph in its entirety and substitute the following therefore:

“22. HIGH RIVER WORK RESTRICTIONS

At such time that the Mississippi River is at or above elevation +11.0 feet, NAVD 88 (2004.65) at the Carrolton gage (New Orleans District), all construction work shall cease until such time as the elevation subsides below +11.0 feet. Updated information on gage readings may be obtained by contacting (504) 862-2461(recording) or logon onto www.RiverGages.com. Delays to the Contractor's operations from ceasing work when the Mississippi River elevation is above +11.0 feet at the Carrolton gage will be subject to the provisions of Contract Clause entitled "DEFAULT (FIXED-PRICE CONSTRUCTION) (FAR 52.249-10)". The Contractor may submit a waiver request to the Contracting Officer, so that some construction activities may continue during the high river event. The waiver request shall include details of all work activities planned to be executed as part of the waiver request. The waiver request may or may not be granted depending on the high river event.”

SECTION 01 45 04

Page 5, paragraph 3.4.2. Delete this paragraph in its entirety and substitute the following therefore:

“The Contractor shall identify as CQC System Manager an individual within the onsite work organization who shall be responsible for overall management of CQC and have the authority to act in all CQC matters for the Contractor. The CQC System Manager shall be a construction person with a minimum of 3 years (full time) experience in related equivalent work. This CQC System Manager shall be on the site at all times during construction and shall be employed by the prime Contractor. The CQC System Manager shall be assigned as System Manager but may have duties as Site Safety Health Officer (SSHO) in accordance with paragraph 01.A.17 of EM 385-1-1 in addition to quality control. An alternate for the CQC System Manager shall be identified in the plan to serve in the event of the System Manager's absence. The requirements for the alternate shall be the same as for the designated CQC System Manager.”

SECTION 01100

1. Page 3, the unnumbered paragraph after subparagraph (b)(4). Delete this unnumbered paragraph in its entirety and substitute the following therefore:

SECTION 32 15 00.00

Page 5, paragraph 2.1. Delete this paragraph in its entirety and substitute the following therefore:

“2.1 SURFACING

Surfacing material shall be crushed stone in accordance with the following:"

SECTION 33 26 00.00

1. Page 9, paragraph 1.7.3, item 6. Delete this item in its entirety and substitute the following therefore:

“6. Split Spoon Sampling – the sieves and grain size analyses are required for each Split Spoon sample.”

2. Page 17, paragraph 2.3. Delete this paragraph in its entirety and substitute the following therefore:

“2.3 FILTER PACK

Material for the filter pack around the solid pipes and screens shall be a dry processed sand composed of hard, tough, and durable particles free from adherent coating. The filter pack shall not be crushed stone. The filter pack material shall contain no detrimental quantities of organic matter nor soft, friable, thin, or elongated particles in accordance with the quality requirements in ASTM C 33/C 33M, Table 1 and Table 3, Class 5S, and in ASTM E 11, Table 1. The individual grading curves within the limits shown shall not exhibit abrupt changes in slope denoting skip grading or scalping of certain sizes. The filter pack shall meet the following gradation requirements:

RELIEF WELLS: BR-01 thru BR-15

U.S. STANDARD

SIEVE NO.

MAX. PERCENT BY

WEIGHT PASSING

MIN. PERCENT BY

WEIGHT PASSING

No. 16 90 - No. 18 75 - No. 20 52 90 No. 25 25 66

No. 30 - 41

No. 35 - 21

No. 40 - 9

3. Page 19, paragraph 2.4.3. Delete this paragraph in its entirety and substitute the following therefore:

“2.4.3 Well Guards

Each outlet shall consist of a metal well guard as shown on the drawings. The well guard shall consist of a section of 20-inch outside diameter (O.D.) stainless steel well screen constructed using the wire-wrapped continuous slot design method. The well guard shall be fabricated by circumferentially wrapping a triangularly shaped wire around a circular array of internal bars on one-inch centers. The wire configuration must produce inlet slots with sharp outer edges, widening inwardly so as to minimize clogging. For maximum collapse strength each juncture between the horizontal wire and the vertical bars will be fusion welded under water by the electrical resistance method. The minimum wire/weld strength shall be 650 pounds (lbs.).

The well guard and attached fittings shall be completely fabricated of stainless steel conforming to ASTM A 555/A 555M, Grade TP 304. The width of the clear space between the wire wrappings shall be 0.250 inch. The wire wrappings shall be composed of "130" wire. The surface of the well guard shall be free of pits, slag and discoloration. All welds shall be ground and brushed.”

DRAWINGS

SHEET IDENTIFICATION Nos. C-05, C-06, and C-06a. Delete these drawings in their entirety and substitute the attached revised drawings SHEET IDENTIFICATION Nos. C-05, C-06, and C-06a therefore.

(End of Summary of Changes)

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4"

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21" MIN.

4"

NOTE:

NOTES:

1. FINISH TO BE FLAT, NOT BUFFED.

2. 51% OPEN AREA. WATERSTOP SHALL BE SHOP

SPLICED AT ALL FOUR CORNERS.

10'-0"

4" CURB

4" CURB

1V ON 20H

1V ON 20H

VARIES

0' - 6"

5'-0"

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4" 4"

2'-6"

2" FILLET

8" CUT-OFF WALL TO BE CONSTRUCTED ALONG

THE TOP, BOTTOM AND AT EACH END OF

THE PAVEMENT FROM TOP TO BOTTOM.

9'-6"

WALL DETAILS

SEE CUTOFF

(CAST-IN-PLACE)

CURB, 4" X 4"

(CAST-IN-PLACE)

CURB, 4" X 4"

BE FLUSH WITH SQUARE WELL CAP.

WARP SLOPE OF CONCRETE APRON TO

SEE WELL GUARD DETAIL

1V ON 3H

BACK SLOPE VARIES

CONCRETE SLAB

GROUND IN ORDER TO PLACE

REMOVE THE TOP 4" OF EXISTING

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½"

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5' MIN.

VARIES

5'-0"5'-0" VARIES VARIES

NOT TO SCALE

VARIES

2' - 6"

A

NOT TO SCALE

SECTION

NOT TO SCALE

NOT TO SCALE

WIRE DETAIL

NOT TO SCALE

PLAN

E

NOT TO SCALE

SECTION

NOT TO SCALE

WATERSTOP DETAIL

SECTION

NOT TO SCALE

B

JOINT DETAIL

DUMMY JOINT AND CONSTRUCTION

FACE OF THE CURB.

SHOULD BE FLUSH WITH OUTSIDE

CONSTRUCTION JOINTS AT CURBS

DUMMY JOINTS OR

NOTE:

NOT TO SCALE

C

SECTION WELL GUARD DETAIL

1' - 3" 1' - 3"

2' - 6"

.250 SLOT SIZE

NOT TO SCALE

CUTOFF WALL

DETAILS OF

8"

8"

O .D

I.

D

3" O .D

1V ON 20H

5' MOWING SLAB

1V ON 20H

5' MOWING SLAB

B

A

WELL CAP

2' - 6" SQUARE

SEE "RELIEF WELL DETAILS"

(CAST-IN-PLACE)

4" X 4" CURB

5' MOWING PAD 5' MOWING PAD

WALL DETAILS

SEE CUTOFF

SEE WATERSTOP DETAIL

EXISTING SLOPE OF HWY. EMBANKMENT

SLOPE VARIES

EXISTING LEVEE

APRON

CONCRETE

1V ON 1H APRON

CONCRETEE

1" LETTERING.

WELL NAME (EX. "NR-14") WITH

PERMANENT LABELING OF THE

EACH HEAD CAP SHALL BE HAVE

SWIVEL BUT NOT REMOVABLE

CURVED BOLT WELDED TO ALLOW

AND THREADED FOR FASTENING

PLATE WELDED TO SCREEN

ROD (.070 x 3/4"-1" CC)

C/L RELIEF WELL

(FILLED WITH SEALANT ABOVE WATER STOP)

1/2" JOINT FOR FULL 10" SLAB DEPTH TYPICAL

ELEVATION AT THE WELL C/L

TOP OF SLAB IS EXACTLY 4 INCHES BELOW THE TOP OF RISER

TOP OF RISER ELEVATION (SEE WELL SCHEDULE)

SEE WIRE DETAIL

.250 SLOT SIZE (304 OR 316 SS)

20" DIA. WIRE WRAPPED CONTINUOUS SLOT WELL SCREEN

SEE PLAN DETAIL

21" DIA. COVER PLATE (304 SS)

304 OR 316 SS (4 REQ'D)

3/8" SOCKET HEAD CAP SCREWS

CONSTRUCTION JOINT

JOINT, LEAVE OUT

FOR DUMMY

FILL WITH SEALANT

CONCRETE WELL CAP

2'-6" SQUARE

DETAIL

SEE WATERSTOP

PLAN VIEW, RELIEF WELLS

EXISTING DITCH C/L ELEVATION OF LA. 327.

BELOW THE TOP OF RISER ELEVATION AND THE

THE TOP OF SLAB ELEVATION IS EXACTLY 4 INCHES

LEVEE DITCH

C/L

B/L STATION

166+15

176+75

ELEVATION

24.00'

25.00'

ELEV. TABLE

PUMP PAD

VARIES

CATCH BASIN

EXTEND 5' PAST OUTER CATCH BASIN

ADJUST FOR NUMBER OF DRAINS. CONCETE SHALL

FOR ELEVATIONS

SEE PUMP PAD ELEVATIONS TABLE

FOR ELEVATIONS

SEE PUMP PAD ELEVATIONS TABLE

NOT TO SCALE

PLAN VIEW, CONCRETE PUMP PAD

FOR ELEVATIONS

SEE PUMP PAD ELEVATIONS TABLE

VARIES

FOR ELEVATIONS

SEE PUMP PAD ELEVATIONS TABLE

WIRE (130)

LEVEE DITCH

C/L

VARIES

5' MIN.

5' MIN.

VARIES

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1V ON 20H

GEOTEXTILE SEPARATOR FABRIC

4" ASPHALT PAVEMENT

SURFACING

7" CRUSHED STONE

(BOTH SIDES)

2' MIN. FROM EDGE OF PIPE

T

NOT TO SCALE

LEVEE CROWN DETAIL

TYPICAL DISCHARGE CROSSING AT

(BOTH SIDES)

2' MIN. FROM EDGE OF PIPE

S

NOT TO SCALE

LAND SIDE SLOPE DETAIL

TYPICAL DISCHARGE CROSSING AT

1V O N 4H

1V ON 4H

B

C

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A

EL. 49.0'

S

LAND SIDE

FLOOD SIDE

EXISTING GROUND

EXISTING GROUND

12" HDPE DISCHARGE PIPE

EXISTING GROUND

CONCRETE SLOPE PAVING

EDGE OF EXISTING

"PUMP EQUIPMENT LAYOUT AND ELEVATIONS"

CATCH BASIN, SEE SHEET M-10,

SEE M-01 FOR PLAN VIEW

NOTE:

NOT TO SCALE

B/L STA. 166+15

LEVEE TYPICAL SECTION

C/L

B/L

SEE SHEET C-05

4" REINFORCED CONCRETE PUMP PAD,

COVER, SEE SHEET M-02 FOR DETAILS.

PIPES, PLACE COMPACTED FILL AS NEEDED TO PROVIDE

BETWEEN PUMP DISCHARGE AND STEEL DISCHARGE

12" HDPE PIPE INSTALL ABOVE LEVEE DESIGN GRADE

SEE SHEET M-02 FOR DETAILS

1' - 6" BEYOND TOP EDGE OF EXISTING SLOPE PAVING.

12" STEEL PIPE, INSTALL AT ELEVATION SHOWN, EXTEND

1' - 6"

EL. 49.0'

SEE SHEET C-08

NEW SLOPE PAVEMENT,

MIN.

2' - 10 ½"

MIN.

2' - 10 ½"

SEE SHEET C-08

NEW SLOPE PAVEMENT,

12" STEEL DISCHARGE PIPE

OVER TOP OF PIPE

COMPACTED FILL, 12" COVER

OVER TOP OF PIPE

COMPACTED FILL, 12" COVER

TIE IN TO EXISTING ASPHALT

TIE IN TO EXISTING ASPHALT

EXISTING GROUND

1V ON 10H 1V ON 10H

.5

M A

X

EXISITING GROUND)

(DESIGN LEVEE SECTION IS APPROXIMATELY 2 FEET BELOW

PROHIBIT EXAVATION WITHIN 6" OF DESIGN LEVEE SECTION

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N P .E

W P

-X

W P

-X

D

H U

E T

E

A

N G

U Y

E N

A .N

H -8 -4

-M

A R -2

B /L S

T A T

O B /L S

T A

S E

E P

A G

E C

O N

T R

O L

IT

E M M

-2 -L

U P

P E

R P

O N

C T

C H

A R

T R

A

IN

P O

N T

C H

A R

T R

A

IN

L

E V

E E D

IS

T R

IC

T

M

IS

S

IS

S

IP

P I

R

IV

E R A

N D T

R

IB

U T

A R

IE

S

M R

T

-M

A R -2

B

C

D

A

EL. 49.0'

1V ON 20H

1V ON 20H

GEOTEXTILE SEPARATOR FABRIC

4" ASPHALT PAVEMENT

SURFACING

7" CRUSHED STONE

(BOTH SIDES)

2' MIN. FROM EDGE OF PIPE

MOUNTED ON THE SLOPE PAVEMENT.

TO BE IN LINE WITH THE DISCHARGE

THE CONTRACTOR SHALL INSTALL PIPES

12' - 6" HDPE.

V

NOT TO SCALE

LEVEE CROWN DETAIL

TYPICAL DISCHARGE CROSSING AT

(BOTH SIDES)

2' MIN. FROM EDGE OF PIPE

Z

NOT TO SCALE

LAND SIDE SLOPE DETAIL

TYPICAL DISCHARGE CROSSING AT

1V O

N 4H1V ON 4H

CATCH BASIN, SEE SHEET "PUMP EQUIPMENT LAYOUT AND ELEVATIONS"

12" HDPE DISCHARGE PIPE

EXISTING GROUND

RAMP ASPHALT

SEE C-01 FOR REMOVE AND REPLACE

EXISTING RAMP ASPHALT,

CONCRETE SLOPE PAVING

EDGE OF EXISTING

EXISTING GROUND

V

Z

SEE M-01 FOR PLAN VIEW

NOTE:

NOT TO SCALE

B/L STA. 176+75

RAMP TYPICAL SECTION

C/L

LAND SIDE

FLOOD SIDE

16.7' B/L

EL. 49.0'

SEE SHEET C-05

4" REINFORCED CONCRETE PUMP PAD,

COVER, SEE SHEET M-02 FOR DETAILS.

PIPES, PLACE COMPACTED FILL AS NEEDED TO PROVIDE

BETWEEN PUMP DISCHARGE AND STEEL DISCHARGE

12" HDPE PIPE INSTALL ABOVE LEVEE DESIGN GRADE

SEE SHEET C-08

NEW SLOPE PAVEMENT,

MIN.

2' - 10 ½"

MIN.

2' - 10 ½"

SEE SHEET C-08

NEW SLOPE PAVEMENT,

12" STEEL DISCHARGE PIPE

OVER TOP OF PIPE

COMPACTED FILL, 12" COVER

OVER TOP OF PIPE

COMPACTED FILL, 12" COVER

TIE IN TO EXISTING ASPHALT

EXISTING GROUND

TIE IN TO EXISTING ASPHALT

EXISTING GROUND

EXISITING GROUND)

(DESIGN LEVEE SECTION IS APPROXIMATELY 2 FEET BELOW

PROHIBIT EXAVATION WITHIN 6" OF DESIGN LEVEE SECTION

.5

M A

X

1V ON 10H 1V ON 10H

QUESTIONS & CLARIFICATIONS

Solicitation No. W912P-19-B-0041 Mississippi River and Tributaries (MR&T) Upper Pontchartrain Seepage Control, Item M-225L B/L Sta. 160+00 to B/L Sta. 181+00 East Baton Rouge Parish, Louisiana

Question and Clarifications

1. Relief well specification Section 33 26 00.00 12, Paragraph 2.3 FILTER PACK page 18.

Is it possible the headers for the Max. Percent and Min Percent are mislabeled?

Labels are correct. The information listed generates two lines on a sieve curve. These two lines will provide upper (max) and lower (min) boundary. The required filter pack for the well must fall within those boundaries.

2. The filter pack graduation requirements provided on page 18, Section 33 26 00.00 12, Paragraph 2.3, the No. 30 Sieve *** is shown under the Max. Percent by Weight Passing Column. Should that have a number in that space?

No. Table in the specification will be amended.

3. Please clarify as to whether split-spoon samples are required to be collected in order to identify a seek USACE approval of soil intervals where screen and solid pipe sections should be installed. Section 32 26 00.00 criteria and site conditions indicate that split-spoon samples will be collected at 2.5-foot intervals in order to determine depth intervals where well screen and solid pipe sections will be installed. It also states that grain size analysis (ASTM C136) or Atterberg limit test be performed on all split-spoon samples.

Once the analysis are completed and the Contractor has identified the proposed intervals for screen and solid pipe sections based on the specified criteria, how long will USACE take to review and approve the proposed intervals?

Split-spoon samples are required, specifications will be revised. The USACE has 30 Days to review submittals, this is stated in specification Section 01 33 00, Paragraph 1.9

SCHEDULING.

4. With the drilling, development, and pumping test required, substantial amounts of water will be produced. Does the USACE have an approved discharge location that could be provided? Or should the water be piped to the river side of the levee to discharge?

The channeling of discharged water will be up to Contractor design. Pumping discharged water over the levee to the river is an option, which has been conducted on previous well installation projects.

5. Regarding the "wire detail" as shown on drawing C-05. It is shown that the wire size shall be, "WIRE (.235)" is no longer part of Aqseptence Group (Formerly known as JOHNSON WELL SCREENS) construction. Wrap wire .235 has been replaced by 130 wrap wire. Will 130 wire wrap be acceptable?

Yes. 130 wrap wire will be acceptable, drawings will be amended accordingly.

6. The Levee Typical Sections on Drawings C-06 and C-06a indicate the new discharge piping will be buried beneath the existing ground surface, even on top of the levee.

However, the Levee Crown Detail on the same drawings show the new discharge piping will be buried in a mounded levee crossing to be constructed above the existing ground surface. Please clarify?

Drawings will be revised to clarify detail.

7. On drawing page B-02 Borings for BOR. E-225.75 and BOR. E-225.8 are shown to be the nearest soil borings to the new relief wells to be installed. Is further soil data available?

No further soil data is available for this area.

8. Please advise if we are allowed to write for prior approval of our proposed Grundfos submersible drainage pumps for the subject project. If so, please advise who we can send the pertinent information to.

Prior approval of equipment and material is not normally the process. Equipment and material submitted after the contract is awarded is usually approved as longs as it meets the requirements stated in the specifications.

9. Are the permanent materials to be installed tax exempt?

No, all taxes need to be included in the line items.

10. General Specification Section 01100, Page 21, Paragraph 22 - States that Contractor need to monitor the Carrollton Gage. The Baton Rouge gage BTRL1 is in the project vicinity. It would be beneficial to monitor this gage instead. If the COE agrees, can you specify the BTRL1 gage elevation at which all activities need to cease?

All stoppage of work for construction activities including USACE projects within the entire New Orleans District operation are governed by the Carrollton Gage. Requirements of the river restriction in the Section 01100 will remain the same.

11. Please provide the COE estimated quantities for the lump sum items on this project.

Estimated lump sum quantities are attached at the end of the questions and clarifications.

12. Is the temporary ramp embankment paid for under item 0010?

Payment for the temporary ramp shall be included in the contract prices for items to which the work is incidental to. Specification Sections: 32 15 00.00 12 Surfacing, 31 05

19.04 12 Separator Geotextile and 31 24 00.00 12 Embankment all have some provisions for the temporary ramp.

13. Does the concrete quantity for bid item 0019 include the concrete bases for the panel racks for the electrical equipment?

Yes, concrete for electrical equipment bases are include in the CLIN 0019.

14. Has a permit to bore the electrical conduits under the highway been obtained? Is one required?

The Levee District is responsible for obtaining the DOTD permit and is currently in coordination with DOTD to acquire the necessary permits.

15. Specification Section 33 26 00.00 12, Page 19 Paragraph 3.1.1 – “No well drilling or pump tests shall be done when the river elevation in higher than 10 feet below the top of riser shown on drawings.” Are we to assume that we need to monitor the river elevation at the Baton Rouge gage BTRL1 in this situation?

Baton Rouge gage BTRL1 shall be used to monitor the river elevation for this effort.

16. Please confirm the number of pumps for this solicitation. It is line item 0004 on the bid sheet.

There is a total of ten (10) pumps for this contract. Six (6) pumps are to be installed and four (4) spare pumps are to be provided as stated in Section 22 14 29.00 12, 2.1 ‘SUBMERSIBLE PUMPS”. As per Section 22 14 29.00 12, Paragraph 1.1.1 “SUMP PUMPS” - Payment will be made at the contract job price for "Sump Pumps" (CLIN Item No. 0004). Price and payment shall constitute full compensation for furnishing all plant, labor, materials and equipment installation, including supply of pump controls, spare sump pumps, and all other work incidental thereto; all as specified herein and as shown on the drawings.

17. In regards to CLIN 0018AB - Should CLINS 0018AB ALL OVER 2555 LF - 510 LF be considered for possibility of additional relief well locations? Or is the amount of additional 510 LF to be considered as the initial 15 relief wells may need to go deeper than the initially provided bottom elevation of -140.00?

CLIN 0018AB ALL OVER 2555 LF - 510 LF is for variances in the lengths for the initial 15 relief wells. Wells lengths may need to be modified depending on field conditions.

18. Section 01 45 04, Paragraph 3.4.2, 4th sentence states that the QC Systems Manager may not have other duties. However, the 5th sentence in the same paragraph states that the QC Systems Manger may serve as the Site Superintendent. Please clarify.

QC Manager and Superintendent shall have separate duties. Specification will be revised accordingly.

Upper Pontchartrain Seepage East Baton Rouge Parish, LA

W912P8-19-B-0041

LUMP SUM QUANTITIES

Item Description 0002 Traffic Control – Contractor designed 0003 Maintenance and Diversion of Storm Water – Contractor designed 0004 Sump Pumps

6 pumps (installed) 4 pumps (spares)

0005 Discharge Piping 10" Dia. PVC pipe for sleeve – 6 LF 8" Double door check valve – 6 Total 8" Dia. steel pipe (flanged) 6 @ 2’ – 12 LF 8" x 12" conical adaptor – 6 Total 12" Dia. HDPE Pipe – 720 LF 12” Coupling – 12 Total 16" Dia. Steel Pipe Casing – 40 LF 12" Dia. Steel Pipe – 153 LF 12" Dia. Flap Gate – 6 Total

0007 Electrical Work Wireway, panel adapter, 4" x 4" – 6 Total Fabricated Steel – 2313 LB Rigid galvanized steel conduit, 2" diameter – 100 LF Rigid galvanized steel conduit, 1-1/2" diameter – 180 LF Wire, copper, stranded, 600 volt, #2, type XHHW – 4.5 CLF Wire, copper, stranded, 600 volt, 1/0, type XHHW – 5.1 CLF Wire, copper, stranded, 600 volt, #8, type XHHW – 1.5 CLF Wire, copper, stranded, 600 volt, #6, type THWN-THHN – 1.7 CLF Safety switches, 3 pole, fusible, 600 volt, 100 amp – 1 Total Safety switches, 3 pole, fusible, 600 volt, 200 amp – 1 Total Conduit fittings for RGS, standard, bushings & locknuts, 2" diameter – 41 Total

0007 Separator Geotextile

550 SY

0008 Clearing and Grubbing Temporary ramp + Relief Well concrete aprons + slope pavement + area along discharge pipes + area between sump pump pit and drainage ditch – 0.6 ACR

0009 Drainage Ditch

450 CY

0010 Embankment, Compacted Fill

600 CY

0011 Asphaltic Pavement

65 TON

0012 Surfacing

85 CY

0013 Chain Link Fencing and Gates

Fence – 52 LF Gates – 2 Total

0014 Seeding and Mulching

1.9 ACR

0015AA Fertilizer, First 285 LBS

285 LB

0015AB Fertilizer, All Over 285 LBS

145 LB

0016 Lime Soil Amendment

2 TON

0017 Sulfur Soil Amendment

1 TON

0018AA Relief Wells, First 2,555 LF

2,555 LF

0018AB Relief Wells, All Over 2,555 LF

510 LF

0019 Concrete Pavement

265 CY

0020 Precast Concrete 8' x 6' Precast sump pit – 3 Total 2' x 2' Precast Catch Basin – 6 Total 15" dia. RCP – 60 LF

0021 Directional Boring Directional Drill Conduit – 320 LF

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

File details come from the government source that posted it.