Am0003.pdf

Am #0003 - 1

DEPARTMENT OF THE ARMY

Omaha District, Corps of Engineers 1616 Capitol Avenue Omaha, Nebraska 68102-4901 :NOTICE: Failure to acknowledge : Solicitation No. W9128F 16 B 0006 :all amendments may cause rejec- :

:tion of the bid. See FAR : Date of Issue: 27 April 2016 :52.214-3 of Section 00 21 00 : NEW Date of Opening: 14 June 2016

Amendment No. 0003 02 June 2016

SUBJECT: Amendment No. 0003 to Specifications and Drawings for Construction of Spillway Maintenance Monorail Beam, Gavins Point Dam, NE Solicitation No. W9128F 16 B 0006.

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) Standard Form SF 1442, Page 00 10 00 -1, delete date and time of bid opening shown and substitute "14 June 2016" at "2:00 pm".

(2) Section 05 12 00 Page 3, paragraph 1.2,

a) Under SD-01, add the following new submittal "Weld procedure specifications, procedure qualification records, and welder performance qualifications; G-DO"

b) Under SD-02, after “description of connections” add "and welded splice detail"

c) Under SD-06, add the following new submittal "Weld test reports; G-DO"

(3) Section 05 12 00 Page 5, paragraph 2.8, add the following to the end of the paragraph: "Aluminum welding shall be done in accordance with AWS D1.2 Structural Welding Code - Aluminum. Weld inspection shall be done by a Certified Welding Inspector."

b. Drawings (Not Reissued). The following drawings are revised as indicated below with latest revision date of 02 June 2016. These drawings are not reissued with this amendment.

(1) Sheet S-100, under Notes,

a) Note 8, after “I8X13.1” add ", I12x11.7 or I12x14.3".

b) Add new note: “9. Aluminum beams may be spliced to make the full length with one splice, complete joint penetration (CJP) weld in accordance with AWS D1.2 "Structural Welding Code - Aluminum". Submit for approval WPS, procedure qualification records, and welder performance qualifications. Perform 100% VT and RT on all welds and submit for approval all test reports.”

Am #0003 - 2

(2) Sheet S-100, on the left end of the spillway bridge elevation

- delete the hoist beam span by the control building, and adjust the extent of new hoist beam to include only 14 spillway gate spans.

(3) Sheet S-100, Typical Partial Plan, left end of plan, change reference from "Detail 3/S-300" to "Detail 1/S-300" and delete the lines indicating a new beam to the left of the last 27WF94.

(4) Sheet S-300, delete Plate 3 Detail

2. This amendment is a part of the bidding papers and its receipt shall be acknowledged on the Standard Form 1442. 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. Hand-Carried Bids shall be delivered to the U.S. Army Corps of Engineers, Omaha District, Contracting Division, 1616 Capitol Avenue, Omaha, Nebraska 68102-4901.

b. Mailed Bids shall be addressed as noted in Item 8 on Page 00 10 00-1 of Standard Form 1442.

3. Bids will be received until 2:00 p.m., local time at place of bid opening, 14 June 2016.

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

03 June 2016

MFS/2184