NP-MACA_13(1),_14(2)_-_Amendment_0001.pdf

(x)

693C7319B000002 x x

1 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 ACKNOWLEDGEMENT 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.

x

Sterling VA 20166-6511

EFLHD-CO

21400 Ridgetop Circle Construction Office Eastern Federal Lands Highway Div.

Federal Highway Administration

Sterling VA 20166-6511

EFLHD-AC

21400 Ridgetop Circle Acquisitions Office Eastern Federal Lands Highway Div.

Federal Highway Administration

SEE BLOCK 1403/12/20190001

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

12. ACCOUNTING AND APPROPRIATION DATA (If required) is not extended.is extended, Items 8 and 15, and returning

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

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE CODE

10B. DATED (SEE ITEM 13)

10A. MODIFICATION OF CONTRACT/ORDER NO.

9B. DATED (SEE ITEM 11)

9A. AMENDMENT OF SOLICITATION NO.

CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

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

PAGE OF PAGES

4. REQUISITION/PURCHASE REQ. NO.3. EFFECTIVE DATE2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO. (If applicable)

1. CONTRACT ID CODE

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

02/12/2019

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

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

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

ORDER NO. IN ITEM 10A.

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

Mammoth Cave National Park - NP-MACA 13(1), 14(2) -

The purpose of this Amendment is to:

1. Provide responses and clarify design intent for two contractor questions.

2. The Bid Opening date is extended to March 19, 2019 at 2:00 p.m. EST.

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)15A. NAME AND TITLE OF SIGNER (Type or print)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

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

STANDARD FORM 30 (REV. 10-83)

Prescribed by GSA

FAR (48 CFR) 53.243

NSN 7540-01-152-8070

Previous edition unusable

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

Amendment No. 0001

Amendment Info Page 1

U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL HIGHWAY ADMINISTRATION

EASTERN FEDERAL LANDS HIGHWAY DIVISION

Amendment No. 0001 Project NP MACA 13(1), 14(2) Mammoth Cave National Park

Solicitation: 693C73-19-B-000002

The purpose of this Amendment is to:

1. Provide responses and clarify design intent for two contractor questions.

2. The Bid Opening date is extended to March 19, 2019 at 2:00 p.m. EST.

Response to Bidder Question:

Question: Regarding the proposed cofferdams: plan sheet M03 shows minimum cofferdam heights of 30-ft (10-ft below OHWM and 20-ft above OHWM). This sets the top of the cofferdam at elevation 441.5. This seems excessive for constructability. The means and methods we are considering does not require protection above elevation 421.5. The per plan design is an expensive undertaking. Can this note be modified or removed?

Response: The intent of the note on sheet M03 stating that the “cofferdam height = 30 ft +/-…_” is to convey our assumed maximum cofferdam height to generate EFLHD’s in-water disturbance calculations used for permitting purposes only. There is no requirement that cofferdams be constructed 30 feet high or to any particular height. Please refer to FP-14 Subsection 208.05, Subsection 104.03, Section 562, the SCRs, and other sections for cofferdam requirements.

Question: Can closed end concrete encased steel piles be used in place of the plan design concrete piles?

Response: The design intent is for concrete piles to be used, as identified in the plans and J Pages.

After award, a value engineering request may be submitted to the CO in accordance with Subsection 103.03 of the FP-14.