A22_16-T-0129_Amendment_0001.pdf

W81G6762033093

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 Amendment 0001 is to add a statement to the SOW regarding the w ater velocity.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 3

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

16C. DATE SIGNED

BY 05-Aug-2016

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-16-T-0129

X 9B. DATED (SEE ITEM 11)

04-Aug-2016

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

05-Aug-2016

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-16-T-0129

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 1449 - CONTINUATION SHEET

The following have been modified:

STATEMENT OF WORK

SCOPE OF WORK

LAC QUI PARLE COFFER DAM

FLOATING SILT CURTAIN

1. General. This scope of work includes the requirements for two floating silt curtains that are needed to contain sediment from the construction of an earth coffer dam in order to dewater the Lac Qui Parle

Dam, located on the Minnesota River, near the town of Watson, Minnesota. One floating silt curtain will be used on the upstream coffer dam and the other will be used for the coffer dam on the downstream side. The contractor shall provide all components required to form a complete system for both silt curtains. These components include, but are not limited to, floats, skirts, top tension cables, connections between curtain segments, ballast, and anchoring systems. Please note that all of the dam gates will be closed while the floating silt curtain is in use, and at no time will it extend to the overflow spillway portion of the dam. The only portion of the floating silt curtain that will be exposed to the maximum water velocity will be roughly parallel to the current.

2. Dimensional Requirements and design data. The dimensions and design requirements of the upstream and downstream floating silt curtains are as indicated in Table 1 below:

TABLE 1

Upstream Floating Silt Curtain Downstream Floating Silt Curtain

Length 500 feet 400 feet

Water Velocity 0‐6 feet per second 0‐6 feet per second

Wind Speed 30 miles per hour 30 miles per hour

Max Wave Height 18 inches 18 inches

Required Skirt Length 5 feet 5 feet

Maximum Water Depth 15 feet 10 feet

3. Material Requirements. Both floating silt curtains shall be constructed from materials described in Table 3 below:

W912ES-16-T-0129

4. Submittals. The Contractor shall submit documentation showing conformance with the requirements in paragraph 2.

5. Delivery Location. The floating silt curtains and all accessories shall be delivered to the following location:

U.S. Army Corps of Engineers

Lac Qui Parle Project Office

MN Flood Control Section 9055 1st ST. West Watson MN 56295

Randy Melby MN Section Supervisor Phone: 320‐269‐6303 EXT 5099

Delivery will only be accepted Monday thru Friday between 0800 ‐1600 hours, federal holidays excluded.

6. Required Delivery Date. Both the upstream and downstream floating silt curtains shall be delivered to the delivery location specified in paragraph 5 no later than 3 weeks from contract award.

7. Attachments:

Plate 3 – Plan View of Coffer Dam

(End of Summary of Changes)

TABLE 2. Floating Silt Curtain Material Requirements

Class Type II DOT

Fabric for Skirt Area 22 oz PVC with 500 lb per square inch tensile strength

Floatation 8 inch diameter expanded polystyrene foam contained in individually sealed float pockets. Floats shall be segmental to allow for folding for transportation and storage.

Top Tension Top tension shall be provided by galvanized steel cables.

Bottom Tension and Ballast

Bottom tension shall be provided by at least a 5/16 inch diameter galvanized steel chain

End Connectors End Connectors shall be constructed from aluminum universal connector at float top and tension cable. Locking pins shall be constructed from an appropriate non‐corroding material. (Stainless steel or aluminum) Lacing grommets shall be provided on a reinforced fabric skirt.

Anchoring System The anchor system shall be designed by the manufacturer for flow in one direction.