Am0002.pdf

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 items 8 and 15, and returning or (c) By separate letter or electronic communication 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 letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

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

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

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

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

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

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, 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)

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.

15C. DATE SIGNED

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

16C. DATE SIGNED

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

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

PAGE OF PAGES

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

Amendment No. 0002

Middle Logan Creek, Flood Risk Management Project - Phase 1, Randolph, NE

See attached documentation for content of the amendment revisions

Date for receipt of Bids is 13 August 2020 at 2:00 pm (local time)

Government Point of Contact: Lynne Reed,Contract Specialist (402) 995-2039

U.S ARMY CORPS OF ENGINEERS, OMAHA DISTRICT

CONTRACTING OFFICE

1616 CAPITOL AVE.

OMAHA, NE 68102-4901

See Item 6

W9128F20B0027

08/06/2020

07/14/2020

Am #0002 - 2 (Continuation of SF 30)

06 August 2020 Solicitation No. W9128F20B0027

Date of Issue: 14 July 2020 Date of Opening: 13 August 2020

SUBJECT: Amendment No. 0002 to Specifications and Drawings for Construction of Middle Logan Creek, Flood Risk Management Project - Phase 1, Randolph, NE.

TO: Prospective Bidders and Others Concerned

1. The specifications and drawings for subject project are hereby modified as follows (revise all specification indices, attachment lists, and drawing indices accordingly).

a. Specifications. (Descriptive Changes.)

(1) Section 01 12 00 Page 10, add the following new paragraph:

“1.17 LIMITS OF CONSTRUCITON

Within two weeks of notice to proceed, limits of construction shall be staked out so that utility providers are able to proceed with their relocations prior to the beginning of major excavation."

(2) Section 03 11 00 Page 3, paragraph 2.1 “FORM MATERIALS”, subpart c, Delete the first sentence “Forms for bridge rails shall be made of steel, except that wood forms that are commercially manufactured to the specific shape of the rail may be permitted,” and substitute, “All concrete rails on bridges and approach slabs shall be cast-in- place. Slip-forming will not be permitted for concrete rails on bridges and approach slabs.”

(3) Section 03 20 00 Page 4, paragraph 2.6 “SUPPORTS” delete the first two sentences, “Bar supports for formed surfaces shall be designed and fabricated in accordance with CRSI 10MSP and shall be steel. Steel supports within ½ inch of concrete surface shall be galvanized, plastic protected or of stainless steel.” and substitute, “The Contractor shall position steel reinforcement in concrete walls at the proper clearance from forms by approved chairs, stays, or hangers. Reinforcing steel in concrete decks and slabs shall be positioned on plastic coated supports or chairs to accurately maintain the specified clearance to the surface of the concrete. Supports in concrete decks and slabs shall be spaced at distances not greater than 3 feet for #4 top bars or 4 feet for all other reinforcing. Reinforcing steel on bar supports shall not be used to support runways for construction equipment. If such runways are used, they shall be supported independently. Bar support units shall be standard products from a reputable manufacturer of such items. Properly sized supports shall be furnished in sufficient numbers, manufactured to serve their intended purpose, and capable of carrying imposed loads without measurable deflection or displacement of the reinforcing steel. The type and adequacy of supporting units shall be at least equal to that recommended by the Concrete Reinforcing Steel Institute's Manual of Standard Practice. Bar supports which are at exposed concrete surfaces shall be corrosion resistant as described in the Concrete Reinforcing Steel Institute's Manual of Standard Practice.”

(4) Section 03 39 00 Page 4, paragraph 3.2.1 “Curing Period.”

delete second item, “Bridge rails: 240 hours wet cure.”

Am #0002 - 3 (Continuation of SF 30)

(5) Section 31 62 16 Page 6, paragraph 3.1.1.1 “Impact Hammers”, line 6, delete “Hammers must be capable of hard driving in excess of 20 blows per inch.”

(6) Section 31 62 16 Page 9, paragraph 3.2.5 “Pile Driving”, delete second sentence reading “Do not drive piles within 100 feet of concrete less than 7 days old.” and substitute the following: “Concrete shall not be placed in structures bearing on the soil until all pile driving within a radius of 25 feet has been completed. If concrete pours must be made within this area before completion of pile driving, such concrete shall cure at least 3 days before further driving is allowed.”

b. Drawings (Reissued). The following drawings are revised with latest revision date of 06 August 2020, and reissued with this amendment.

(1) Sheets CE101, CE102, CE103, CE104, CE105, CE106, CE107, CE108, CE109, CE110, S-106 and S-114.

2. This amendment is a part of the bidding papers and its receipt shall be acknowledged. All other conditions and requirements of the specifications remain unchanged. If the bids have been mailed prior to receiving this amendment, you will notify the office where bids are opened, in the specified manner, immediately of its receipt and of any changes in your bid occasioned thereby.

a. See Section 00 21 00, paragraph GENERAL BIDDING INFORMATION, on how to submit electronic bids.

3. Electronic bids will be received until 2:00 p.m., local time at place of bid opening, 13 August 2020.

Attachments: Dwgs. listed in 1.b. above

U.S. Army Engineer District, Omaha Corps of Engineers 1616 Capitol Avenue Omaha, Nebraska 68102-4901

06 August 2020

MFS/2184