Solicitation Amendment-0004.pdf

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

Solicitation No. W912EQ20B0003 for Below Piggott Seepage Remediation is amended as follow s:

1. Change to Specif ications.

SEE SUMMARY OF CHANGES

1. CONTRACT ID CODE PAGE OF PAGES

1 3

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

16C. DATE SIGNED

BY 24-Jul-2020

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 W912EQ20B0003

X 9B. DATED (SEE ITEM 11)

24-Mar-2020

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 is extended, X 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

24-Jul-2020

CODE

US ARMY ENGINEER DISTRICT, MEMPHIS

167 N. MAIN STREET

MEMPHIS TN 38103-1894

W912EQ 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

(End of Summary of Changes)

W912EQ-20-B-0003

AMENDMENT 0004

BELOW PIGGOTT SEEPAGE REMEDIATION

DESCRIPTION OF CHANGES

SPECIFICATIONS:

1. 32 25 00.00 11: CHANGE: 2.1.1 Steel Pipe standard change to ASTMA252/A252M, and wall thickness changed to 1/2"

2. 32 25 00.00 11: DELETED 2.2 Flared End Section requirement.

BELOW PIGGOTT AND BELOW HWY 90 BPH90

diameter of the pipe and shall conform to the following table. The coupling bands, flared end sections and other appurtenances shall be in accordance with the manufacturer's recommendations for the diameter of pipe used.

Coupling bands shall be coated as specified hereinabove for the pipe and shall have corrugations, not projections that mesh with the pipe corrugations, and if helical corrugations are used, each length of helical pipe used shall have annular corrugations in accordance with the manufacturer's recommendations a minimum 12-inch (12”) length of annular corrugations at each end. Contractor must submit manufacturer data on corrugated metal pipe, flapgates, jointing/coupling bands, and coating prior to construction showing that it meets specifications. All installation hardware shall be as recommended by the materials manufacturer.

DIAMETER GAUGE

24" 14 30" 14 36" 12 48" 12 54" 10 60" 10 66" 10 72" 8 78" 8 84" 8

For diameters over 84", use 1" corrugations, a minimum 18" of cover, and minimum 14 gauge thickness (or as recommended by a manufacturer for the proposed application).

2.1.2 Steel Pipe

2.1.2.1 Pipe Material

All steel pipe shall be ASTM A252, Grade 3 (50ksi min.) spiral weld tubing, with a wall thickness of 0.50 inches.

2.1.2.2 Cement Lining

Cement mortar lining shall conform to AWWA C205. Lining thickness shall be 7/8" for 24" dia. pipe, and 1-1/4" for 30" dia. pipe.

2.1.2.3 Coating

Apply exterior tape wrap in accordance with AWWA C214.

2.1.2.4 Joints and Jointing Material

No joints are permitted.

2.2 FLARED END SECTIONS

[DELETED]

PART 3 EXECUTION

3.1 REMOVAL OF EXISTING CULVERTS

Pipe culverts shall remain the property of the landowner. Salvage pipe culverts and place at the edge of the work limits after removal. The

SECTION 32 25 00.00 11 Page 4