W911WN18B8003-0001.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

RE: Lock Chamber Concrete Rehabilitation at Lock and Dam 2, Allegheny River, Pennsylvania

This amendment is being issued to provide responses to questions received as indicated in the summary of changes.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 3

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

16C. DATE SIGNED

BY 27-Jul-2018

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 W911WN18B8003

X 9B. DATED (SEE ITEM 11)

10-Jul-2018

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 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 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

27-Jul-2018

CODE

U.S. ARMY ENGINEER DISTRICT, PITTSBURGH

ATTN CELRP-RC-P

W S MOORHEAD FEDERAL BUILDING

1000 LIBERTY AVENUE ROOM 2203

PITTSBURGH PA 15222-4186

W911WN 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W911WN18B8003

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION 00 21 00 - INSTRUCTIONS

The following have been added by full text:

QUESTIONS AND ANSWERS

RESPONSES TO QUESTIONS RECEIVED (1-2)

Q1: What is the existing compressive strength of the concrete in the work area?

A1: Specification Section 01 35 00.00 08, Par. 1.7.3 Lock and Dam 2 Historic Concrete Data, summarizes all of the historical concrete information known at the site with compressive strengths ranged from 4,500 psi to 9,290 psi.

Q1a: Can the Corps please release the associated core testing and petrographic report(s)?

A1a: Attached is a file of the associated core testing named, “Concrete Corings and Testing Results”.

Q2: Is there a potable water source available at the site?

A2: No, Drawing Sheet ID G-004, General Note 1, summarizes government utilities will not be made available to the contractor.

Q2a: If ‘yes’, what form is the source (i.e. ¾” hose bib; 3” fire hydrant; 2” pipe with cam lock; etc.)?

A2a: No, Drawing Sheet ID G-004, General Note 1 summarizes government utilities will not be make available to the contractor.

SECTION 00 70 00 - CONDITIONS OF THE CONTRACT

The following have been modified:

52.236-4 PHYSICAL DATA (APR 1984)

Data and information furnished or referred to below is for the Contractor's information. The Government shall not be responsible for any interpretation of or conclusion drawn from the data or information by the Contractor.

(a) The indications of physical conditions on the drawings and in the specifications are the result of site investigations by site investigations and as-built construction drawings, concrete corings and testing results, etc.

(b) Weather conditions are typical for Southwestern Pennsylvania in season.

W911WN18B8003

(c) Transportation facilities. Roads adjacent to and leading to the site of the work are shown on the drawings. The Contractor shall make his/her own investigation of available roads for transportation, of load limits on bridges and roads. The inland waterway system may be most feasible means of access.

(d) Hydrographs and Hydrologic Information. Included in the file of drawings.

(e) Contractor’s Responsibility for Traffic. The Contractor shall be solely responsible for conducting his/her operations in such manner as to avoid any interference with the safe and uninterrupted passage of all established river, rail, highway and road traffic, throughout the period of this contract, except as noted and required in the specifications. Coordination and permitting with state agencies will be required. The Contractor shall be responsible for any actions outside of contract requirements, in connection with his/her operations, which causes interference with or prevents the safe passage of traffic past the site of work.

(End of clause)

(End of Summary of Changes)