Amendment_0001 _Specs _W9128F-16-B-0016.pdf

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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 0016 :all amendments may cause rejec- :

:tion of the bid. See FAR : Date of Issue: 05 August 2016 :52.214-3 of Section 00 21 00 : NEW Date of Opening: 09 September 2016

Amendment No. 0001 01 September 2016

SUBJECT: Amendment No. 0001 to Specifications and Drawings for Construction of Powerhouse Lighting Upgrade, Garrison Dam, ND.

Solicitation No. W9128F 16 B 0016.

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 "09 September 2016" at "2:00".

(2) Section 01 30 00.24 Page 7, paragraph 1.10,

a) Change the title to read “AVAILABILITY AND USE OF UTILITY

SERVICES AND AVAILABITY OF GOVERNMENT CRANES”

b) Add the following after subparagraph b.

“c. The powerhouse bridge crane and the intake bridge crane will be made available for use by the contractor as needed. The powerhouse bride crane and the intake bridge crane will be operated by a government employee certified for the tasks. The use of these cranes shall be coordinated 1 week ahead of the time needed and shall be provided as the governments schedule and employee availability allows. Use of the crane shall occur within the normal working hours of the power plant employees.”

(3) Section 26 20 00 Page 16, after paragraph 2.18 add the following new paragraph:

“2.19 SURGE PROTECTIVE DEVICES

Provide parallel type surge protective devices (SPD) which comply with UL 1449 at the service entrance , panelboards . Provide surge protectors in a NEMA enclosure per NEMA ICS 6. Use Type 1 or Type 2 SPD and connect on the load side of a dedicated circuit breaker.

Provide the following modes of protection:

FOR SINGLE PHASE AND THREE PHASE WYE CONNECTED SYSTEMS-

Phase to phase ( L-L )

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Each phase to neutral ( L-N ) Neutral to ground ( N-G ) Phase to ground ( L-G ) SPDs at the service entrance: provide with a minimum surge current rating of 80,000 amperes for L-L mode minimum and 40,000 amperes for other modes (L-N, L-G, and N-G) and downstream SPDs rated 40,000 amperes for L-L mode minimum and 20,000 amperes for other modes (L-N, L-G, and N-G).

Provide SPDs. Maximum L-N, L-G, and N-G Voltage Protection Rating:

700V for 120V, single phase system 700V for 120/240V, single phase system 700V for 208Y/120V, three phase system 1,200V for 480Y/277V, three phase system

Maximum L-L Voltage Protection Rating:

1,200V for 120V, single phase system 1,200V for 120/240V, single phase system 1,200V for 208Y/120V, three phase system 2,000V for 480Y/277V, three phase system

The minimum MCOV (Maximum Continuous Operating Voltage) rating for L-N and L- G modes of operation: 120% of nominal voltage for 240 volts and below; 115% of nominal voltage above 240 volts to 480 volts.”

(4) Section 26 20 00 Page 23, after paragraph 3.1.14.4 add the following new paragraph:

“3.1.15 Surge Protective Devices

Connect the surge protective devices in parallel to the power source, keeping the conductors as short and straight as practically possible. Maximum allowed lead length is 3 feet.”

b. Specifications (New and/or Revised and Reissued). Delete and substitute or add specification pages as noted below. The substituted pages are revised and reissued with this amendment.

Pages Deleted Pages Substituted or Added

00 10 00 pages 3 thru 5 00 10 00 pages 3 thru 5

c. Drawings (Reissued). The following drawings are revised with latest revision date of 01 September 2016, and reissued with this amendment.

(1) Sheets E-100, E-101, E-102, ED141, ED142, ED152, ED161, ED162, ED201, ED204, EL131, EL141, EL142, EL151, EL152, EL153, EL161, EL162, EL501, EL554.

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.

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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, 09 September 2016.

Attachments:

Standard Form 1442 Pages 00 10 00-3 thru 00 10 00-5 Dwgs. listed in 1.c. above

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

01 September 2016

MFS/2184

00 10 00 - 3 Am0001

BIDDING SCHEDULE

ITEM NO. DESCRIPTION QUANTITY UNIT AMOUNT

BASIC ITEMS

Entire work complete, excluding Option item(s) listed below.

Job

TOTAL BASIC AMOUNT (Item 0001) $_____________________________

OPTION ITEMS

[Option]

Removal, Supply and Installation of Materials on The 3rd Floor, Power and Control Tunnels For Materials Supplied Under the Base for Sheets ED100 thru ED109 and EL100 thru EL109. See notes on Sheet E100 for these sheets.

Contractor shall Supply All misc material needed to complete the install.

[Option]

Removal, Supply and Installation of Materials on The 4th Floor and Erection Bay for Materials Supplied Under the Base for Sheets ED121 thru ED123and EL121thru EL123. See notes on Sheet E100 for these sheets. Contractor shall Supply All misc material needed to complete the install.

00 10 00 - 4 Am0001

[Option]

Removal, Supply and Installation of Materials and Conductors shown on the drawings for The Surge Tank Base Area for Sheets ED141 thru ED146and EL141 thru EL146. See notes on Sheet E101 for these sheets. Contractor shall Supply All misc material needed to complete

Job $______________________

[Option]

Removal, Supply and Installation of Materials and Conductors shown on the drawings for The Surge Tank Middle Level for Sheets ED151 thru ED153and EL151 thru EL153. See notes on Sheet E101 for these sheets.

Contractor shall Supply All misc material need to

[Option]

Removal, Supply and Installation of Materials on the Spillway and Spillway Catwalk as shown on Sheets ED161 thru 162 and EL161 thru 162. See notes on Sheets E101 and E102 for these sheets. Contractor shall Supply All misc material need to complete

[Option]

Removal, Supply and Installation of Materials in the Intake as shown on Sheets ED171 thru 174, ED181thru 183, EL171 thru 174, and EL181 thru 183.

See notes on Sheet E102 for these sheets. Contractor shall Supply All misc material need to complete

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[Option]

Removal, Supply and Installation of Materials in the Surge Tank Exterior as shown on Sheets ED200 thru 206 and EL200 thru

206. See notes on Sheet E102 for these sheets.

Contractor shall Supply All misc material need to

TOTAL AMOUNT (BASIC PLUS OPTIONS – Items 0001 thru 0006) $____________________________

NOTES:

1. See SECTION 00 21 00, INSTRUCTIONS, CONDITIONS, & NOTICES TO BIDDERS for evaluation of options. The Government reserves the right to exercise the options within 180 days after issuance of Notice to Proceed.

2. Bid prices must be entered for all items of the schedule. Total amounts submitted without bid prices being entered on individual items will be rejected. Additions will be subject to verification by the Government. In case of variation between the Job (lump-sum) prices and the total amount, the lump-sum prices will be considered the bid.

3. A modification to a bid which provides for a single adjustment to the total amount bid, should state the application of the adjustment to each respective lump-sum price affected. If the modification is not so apportioned, the single adjustment will be applied to Item No. 0001.

4. An additional 180 construction days will be added if any of the options (one or all) are awarded.