Am0003.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 10 R 0001 :all amendments may cause rejec- :

:tion of the offer. See FAR : Date of Issue: 23 Oct 2009 :52.215-1 of Section 00 21 00 : Date of Receiving Proposals:

08 Dec 2009

Amendment No. 0003 01 Dec 2009

SUBJECT: Amendment No. 0003 to Request for Proposal Solicitation Package for Construction of Flood Protection Project, Phase 2C, Big Sioux River and Skunk Creek, Sioux Falls, South Dakota.

Solicitation No. W9128F 10 R 0001.

TO: Prospective Offerors 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 35 01 42.00 15 page 4, delete paragraphs 2.1.9 and

2.1.9.1 and substitute the following:

“2.1.9 System Operation

The gate control operation will be done via the local HMI that resides on the local control panel. All gates at the existing diversion dam shall be closed before operation of the new dam above the confluence is started. Gates at the new dam above the confluence shall be closed in pairs and each pair shall close in twelve (12) minutes or less.

The SCADA system will provide status and alerts for the following conditions:

- Closing of gates.

- Start opening of gates.

- Start closing of gates.

- Power loss at the gates.

- Local Control Only-Off-Auto Selector Switch in Auto position.

- Panelboard MDP circuit breaker trip (bell contact).

- Gate is fully closed for each grate.

- Failure for gate to completely close within allotted time.

- Entrance Alarm to the Control Building.

2.1.9.1 Control System

The control system will have to be tied into a new SCADA system communicating through a new wireless telemetry network. This network will consit of 1 GE MDS iNET II 900 remote and GE MDS iNET II 900 access point. The access point is to be set up at Western Avenue Water Tower. The radio will connect to an Allen-Bradley CompactLogix 1769-L32E processor with required I/O, and an Allen-Bradley Panel View Plus 2711P-T10C4A1 by Ethernet threw an unmanaged industrial switch. The contractor shall work in coordination with the City of

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Sioux Falls in designing, developing, and programming the new SCADA control screens and logic. It will allow for opening and closing of all gates from the local HMI. Point of contact with city of Sioux Falls is Mr. Joe Van Schepen at

(605) 231-0668 when performing work involving the SCADA system. Prior to final testing, the Contractor shall provide full documentation of all programming to the city of Sioux Falls.”

b. Drawings (Reissued). The following drawing sheets are revised with latest revision date of 01 December 2009, and reissued with this amendment.

(1) Sheets G4.48, G4.51, G4.52, G4.54, G4.56, G4.58, G4.58A, G4.59, G4.60, G4.65, G4.66, G4.67, G4.68, G4.69, G4.70, G4.82, G5.02, G5.03, G6.18, G7.01, G7.02, C8.01 and C8.01A.

2. This amendment is a part of the proposing papers and its receipt shall be acknowledged on the Standard Form 1442. All other conditions and requirements of the request for proposal remain unchanged. If the proposals have been mailed prior to receiving this amendment, you will notify the office where proposals are received, in the specified manner, immediately of its receipt and of any changes in your proposal occasioned thereby.

a. Hand-Carried Proposals shall be delivered to the U.S. Army Corps of Engineers, Omaha District, Contracting Division, 1616 Capitol Avenue, Omaha, Nebraska 68102-4901.

b. Mailed Proposals shall be addressed as noted in Item 8 on Page 00010-1 of Standard Form 1442.

3. Offers will be received until 3:00 p.m., local time at place of receiving proposals, 08 Dec 2009.

Attachments: Dwgs. listed in 1.b. above

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

01 Dec 2009

MFS/2184