Amendment_2.pdf

W81G6751004826

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 purpose of this amendment is to update the specifications, add information, add draw ings, and extend the solicitation closing date.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 3

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

16C. DATE SIGNED

BY 12-Aug-2015

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 W912ES-15-B-0011

X 9B. DATED (SEE ITEM 11)

16-Jul-2015

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 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

12-Aug-2015

CODE

CONTRACTING DIVISION

USACE - ST. PAUL

180 5TH STREET E SUITE 700

ST. PAUL MN 55101-1678

W912ES 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912ES-15-B-0011

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION 00010 - SOLICITATION CONTRACT FORM

The required response date/time has changed from 18-Aug-2015 02:00 PM to 21-Aug-2015 02:00 PM.

The following have been added by full text:

AMENDMENT 2

Summary of Changes for Amendment 2 Specification Changes:

a) Section 01 00 00.00 13, Paragraph 3.7, Pole Sounding Survey Data, is added as follows:

3.7 POLE SOUNDING SURVEY DATA

Government provided pole sounding survey data along the landward side of the upper guidewall is attached at the end of this specification section.

b) Section 01 45 04.00 13, Paragraph 1.3.2, CQC System Manager is changed as follows:

1.3.2 CQC System Manager

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, including the authority to stop work for Quality and Safety related issues.

The CQC System Manager shall be a person with a minimum of 5 years proven experience in related duties on construction work. This CQC System Manager shall be on the site at all times during construction, shall be employed solely by the prime contractor and have no other collateral duties. An alternate for the CQC System Manager shall be identified in the CQC 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.

c) Section 03 11 13.00 10, Paragraph 3.1.1, Formwork, is changed as follows:

3.1.1 Formwork

Forms shall be constructed true to the structural design and required alignment. Formwork shall be designed and installed in such a manner to contain all low density cellular concrete during each placement. Forms shall be mortar tight, properly aligned and adequately supported to produce concrete surfaces generally flush with the existing exterior plane of the guidewall timber crib. Where the existing plane of the cribwall is not intact, the forms shall meet the surface requirements and conform to construction tolerance given in TABLE 1. Continuously monitor the alignment and stability of the forms during all phases to assure the finished product will meet the required surface class or classes specified.

Failure of any formed concrete surface either due to surface texture, deflection or form collapse shall be the responsibility of the Contractor as will the replacement or correction of unsatisfactory surfaces.

When forms for continuous surfaces are placed in successive units, care shall be taken to fit the forms over the completed surface to obtain accurate alignment of the surface and to prevent leakage of mortar. Forms shall not be re‐used if there is any evidence of defects which would impair the quality of the resulting concrete surface. All surfaces of used forms shall be cleaned of mortar and any other foreign material before reuse. The forms shall be designed to seal tightly to various bottom conditions

W912ES-15-B-0011

such as rock, silt, hardpan, etc. at varying elevations. Rock or riprap at the base of the crib shall not be disturbed. Minor trimming or cutting of protruding crib members will be permitted to allow installation of the forms within the tolerances described in TABLE 1 below. Trimming or cutting of the crib members greater than 2 inches shall not be permitted, except as approved by the Contracting Officer. Submit drawings showing details of formwork, including dimensions of joints, supports, studding and shoring, and sequence of form and shoring removal. Submit form erection methods to allow the displacement of river water during the placement of low density cellular concrete.

d. Section 03 60 70.00, Paragraph 1.2c, Low Density Cellular Concrete Operation and Placement Plan, is changed as follows:

c. Methods used to ensure and confirm:

1. Existing features are not damaged

2. Fill the entire crib volume as the placement method and material allows.

3. Provide a continuous concrete surface flush with the face of the exposed crib structure from the bottom edge of the concrete portion of the guidewall to the surface of the bottom of the river.

4. Any conveyances left in place as embedded are filled with concrete, with no voids remaining.

e) Section 03 60 70.00, Paragraph 1.3, Contractor/Supplier Qualifications, is changed as follows:

1.3 CONTRACTOR/SUPPLIER QUALIFICATIONS

The supply and installation of cast‐in‐place low density concrete and underwater concrete placement shall be supervised by an experienced and qualified person. This person shall have successfully supervised at least three similar underwater concrete placements within the past five years. The qualified person shall be on site during all concrete placement operations and shall have the authority to stop work for quality and safety reasons. Proof of experience shall include project summaries for all similar concrete placement projects. The project summaries should include project owner point of contact information.

Changes to Plan Set:

f) Drawing S‐101 is changed as noted on the attached drawing

g) Drawing M‐L7‐29‐421 is added as a reference drawing

h) Drawing M‐L7‐29‐422 is added as a reference drawing

i) Drawing P7_LD7_UpperGuideWall is added as a reference drawing

(End of Summary of Changes)