A22 - Solicitation Amendment W912EK26BA0010002 with Specs Rev1.pdf

Cedar Rapids FRM Project Reach 4 Repackaging Floodwall V401 and Pump Station V403 Linn County, Iowa

SCHEDULE OF PRICES

Solicitation No. W912EK26BA001

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

BASE BID: VOL 401 - Reach 4 Floodwall

0101 Mobilization and Demobilization 1 JOB XXXXXXXX $

0102 Temporary Construction Controls 1 JOB XXXXXXXX $

0103 Demolition and Deconstruction 1 JOB XXXXXXXX $

0104 Temporary Traffic Controls 1 JOB XXXXXXXX $

0105 Protection and Dewatering 1 JOB XXXXXXXX $

0106 Clearing, Grubbing, and Stripping 1 JOB XXXXXXXX $

0107 PCC Paving and Patching Work 1 JOB XXXXXXXX $

0108 CIP Structural Concrete - Gatewells 1 and 2

1 JOB XXXXXXXX

0109 Precast Structural Concrete 1 JOB XXXXXXXX $

0110 Metal Fabrications - Grating, Handrailing, and Ladders

1 JOB XXXXXXXX

0111 Metal Sheet Piling

0111AA First 83,385 Square Feet 83,385 SF $ $

0111AB Over 83,385 Square Feet 14,715 SF $ $

0112 Relief Wells 1 JOB XXXXXXXX $

0113 Structural Excavation

0113AA First 36,831 Cubic Yards 36,831 CY $ $

0113AB Over 36,831 Cubic Yards 6,500 CY $ $

0114 Embankment/Impervious Fill

0114AA First 22,895 Cubic Yards 22,895 CY $ $

0114AB Over 22,895 Cubic Yards 4,040 CY $ $

0115 Cleanouts 1 JOB XXXXXXXX $

0116 Manholes - Precast 9 Foot 1 EA $ $

0117 Manholes - Precast 6 Foot 7 EA $ $

0118 Manholes - Precast 5 Foot 4 EA $ $

0119 Manholes - Precast 4 Foot 5 EA $ $

0120 Manholes - Precast 2 Foot 1 EA $ $

0121 End Sections 2 EA $ $

0122 RCP Storm Sewer - 42-Inch 687 LF $ $

0123 RCP Storm Sewer - 36-Inch 505 LF $ $

0124 RCP Storm Sewer - 24-Inch 159 LF $ $

AMEND. 0002

Floodwall V401 and Pump Station V403 Linn County, Iowa

SCHEDULE OF PRICES (continued)

Solicitation No. W912EK26BA001

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0125 RCP Storm Sewer - 18-Inch 32 LF $ $

0126 RCP Storm Sewer - 15-Inch 173 LF $ $

0127 Non-contact Cooling Sewer - 21-Inch 58 LF $ $

0128 Non-contact Cooling Sewer - 18-Inch 32 LF $ $

0129 Slide Gate - 24-inch 4 EA $ $

0130 Trench/Toe Drain 1 JOB XXXXXXXX $

0131 Geotechnical Instrumentation 1 JOB XXXXXXXX $

0132 Flood Wall Construction 1 JOB XXXXXXXX $

0133 Chain Link Fencing 245 LF $ $

0134 Concrete Curb and Gutter 243 LF $ $

0135 Bollards 8 EA $ $

0136 Access Gates 2 EA $ $

0137 Cast-in-Place Retaining Walls 1 JOB XXXXXXXX $

0138 Geotextile 3,644 SF $ $

0139 Aggregate - IADOT #11

0139AA First 45 Tons 45 TN $ $

0139AB Over 45 Tons 8 TN $ $

0140 Aggregate - IADOT #12B

0140AA First 1,654 Tons 1,654 TN $ $

0140AB Over 1,654 Tons 292 TN $ $

0141 Aggregate - IADOT #35

0141AA First 1,645 Tons 1,645 TN $ $

0141AB Over 1,645 Tons 288 TN $ $

0142 Bedding Stone

0142AA First 889 Tons 889 TN $ $

0142AB Over 889 Tons 297 TN $ $

0143 Riprap Class C

0143AA First 10,293 Tons 10,293 TN $ $

0143AB Over 10,293 Tons 3,431 TN $ $

0144 Topsoil 408 CY $ $

0145 Electrical and Communication Distribution Work

1 JOB XXXXXXXX

Floodwall V401 and Pump Station V403 Linn County, Iowa

SCHEDULE OF PRICES (continued)

Solicitation No. W912EK26BA001

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0146 Mechanical Piping and Valves 1 JOB XXXXXXXX $

0147 Seeding and Site Restoration 1 JOB XXXXXXXX $

0148 Water Main Distribution - Upstream 1 JOB XXXXXXXX $

0149 Water Main Extended Performance Bond

1 JOB XXXXXXXX

0150 PCC Trail and Pads 37,214 SF $ $

0151 Brick Pavers 7,240 SF $ $

0152 Trail Safety Rail 2,500 LF $ $

0153 Trail Retaining and Parapet Walls 686 LF $ $

BASE BID: VOL 403 - Reach 4 Pump Station

0301 ACC Paving and Patching Work 1 JOB XXXXXXXX $

0302 CIP Structural Concrete 1 JOB XXXXXXXX $

0303 Precast Structural Concrete 1 JOB XXXXXXXX $

0304 Infill Concrete 1 JOB XXXXXXXX $

0305 Structural Metal Fabrications 1 JOB XXXXXXXX $

0306 Metal Fabrications 1 JOB XXXXXXXX $

0307 Metal Sheet Piling 2,275 SF $ $

0308 Steel H-Piles 3,075 LF $ $

0309 Storm Water Pumps 3 EA $ $

0310 Structural Excavation 3,723 CY $ $

0311 General Fill 1,983 CY $ $

0312 Structural Backfill 335 CY $ $

0313 Culvert Piping - 120x96 Inch 20 LF $ $

0314 RCP Storm Sewer - 60-Inch 15 LF $ $

0315 Slide Gate - 72x72 Inch 2 EA $ $

0316 Slide Gate - 72x54 Inch 1 EA $ $

0317 Bar Screen 1 JOB XXXXXXXX $

0318 Bedding Stone

0318AA First 325 Tons 325 TN $ $

0318AB Over 325 Tons 32 TN $ $

Floodwall V401 and Pump Station V403 Linn County, Iowa

SCHEDULE OF PRICES (continued)

Solicitation No. W912EK26BA001

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0319 Riprap Class C

0319AA First 556 Tons 556 TN $ $

0319AB Over 556 Tons 55 TN $ $

0320 Utilities - Electrical 1 JOB XXXXXXXX $

OPTION A: VOL 401 and VOL 403 - Reach 4 Floodwall and Pump Station

0401 Flood Barriers Installation

0401AA First 5,000 Linear Feet 5,000 LF $ $

0401AB Over 5,000 Linear Feet 1,250 LF $ $

0402 Flood Emergency Response Operation

0402AA First 450 Hours 450 HR $ $

0402AB Over 450 Hours 150 HR $ $

0403 Flood Emergency Pump Supply

0403AA First 15 Days 15 DA $ $

0403AB Over 15 Days 15 DA $ $

CY = CUBIC YARD DA = DAY EA = EACH

HR = HOUR JOB = LUMP SUM LF = LINEAR FOOT

SF = SQUARE FOOT TN = TON

COMPLETE UNIT PRICE AND AMOUNT LINES FOR ALL ITEMS.

THE GOVERNMENT RESERVES THE RIGHT TO EXERCISE

OPTION A AT ANY TIME DURING THE BASE BID CONTRACT

DURATION.

TOTAL OF ESTIMATED AMOUNTS - BASE BID AND OPTION A

(ITEM NOS. 0101 THROUGH 0403AB, INCL.)

TOTAL OF ESTIMATED AMOUNTS - OPTION A

(ITEM NOS. 0401 THROUGH 0403AB, INCL.)

TOTAL OF ESTIMATED AMOUNTS - BASE BID

(ITEM NOS. 0101 THROUGH 0320, INCL.)

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.

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 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

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.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

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)

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.)

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

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

16C. DATE SIGNED

Previous edition unusable STANDARD FORM 30 (REV. 11/2016) Prescribed by GSA FAR (48 CFR) 53.243

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

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

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

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X) 9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

The purpose of this amendment is to: Block 14 (Description of Amendment/Modification):

1. Update Plans and Specifications based on questions received.

2. Add FAR Clause 52.219-4.

3. Update Instructions to Bidders to include list of what should be submitted with the Bid Package.

4. **Suspend bid submission due date and bid opening indefinitely.** Another amendment will be issued in the future to re-establish a new date for receipt of bids and bid opening.

All other terms and conditions remain unchanged.

Section 00 00 00 - Procurement and Contracting Requirements

The following changes have been made:

INFORMATION FROM TO

Response Due Date 08 Jan 2026

Section 00 01 15 - List of Drawing Sheets

The attachments table has changed from:

Identifier Document Name Document Description Reference Identifier

Date Line Item Page Numbers

Document Type

Provided Under Separate Cover

Attachment J-1 Wage Determination

Wage Determination 03 Jan 2025 10 Attachment No

Attachment J-2 Plan Set - VOL 401 Floodwall

Plan Set 14 Nov 2025 198 Attachment No

Attachment J-3 Plan Set - VOL 403 Pump Station

Plan Set 14 Nov 2025 61 Attachment No

Attachment J-4 Supplemental Data

Supporting Technical Documentation Attachment A to Section 00 73 05

14 Nov 2025 220 Attachment No

To:

Identifier Document Name Document Description Reference Identifier

Date Line Item Page Numbers

Document Type

Provided Under Separate Cover

Attachment J-1 Wage Determination

Wage Determination 03 Jan 2025 10 Attachment No

Attachment J-2 Plan Set - VOL 401 Floodwall

Plan Set 14 Nov 2025 198 Attachment No

W912EK26BA0010002

0003 Attachment J-2 Plan Set - VOL 401 Floodwall Rev1

Plan Set 19 Dec 2025 48 Attachment No

Attachment J-3 Plan Set - VOL 403 Pump Station

Plan Set 14 Nov 2025 61 Attachment No

Attachment J-4 Supplemental Data

Supporting Technical Documentation Attachment A to Section 00 73 05

14 Nov 2025 220 Attachment No

Attachment J-5 - Reference Plan Set

Supporting Technical Documentation 19 Dec 2025 92 Attachment No

The following contract documents were added:

Attachment J-2 Plan Set - VOL 401 Floodwall Rev1 Attachment J-5 - Reference Plan Set

The following contract documents were modified:

Attachment J-3 Plan Set - VOL 403 Pump Station

INFORMATION FROM TO

Attachment Identifier 0003 0004

Attachment J-4 Supplemental Data

INFORMATION FROM TO

Attachment Identifier 0004 0005

The following contract documents Page Counts were changed:

DOCUMENT PAGE COUNTS

DOCUMENT NAME FROM TO

Attachment J-2 Plan Set - VOL 401 Floodwall Rev1 none 48

Attachment J-5 - Reference Plan Set none 92

Section 00 21 13 - Instructions to Bidders

Miscellaneous text in this section has been modified to:

INSTRUCTIONS TO BIDDERS

The Rock Island District has implemented the below procedures for all current bid openings.

Electronic Submission of Bids:

For this IFB Solicitation, the Rock Island District is requiring that only electronic bids be submitted via email to the Contracting Officer and Contract Specialist. NO HARDCOPY BIDS WILL BE ACCEPTED.

Contracting Officer - Brunson Grothus, brunson.e.grothus@usace.army.mil Contract Specialist - Samantha Johanson, samantha.k.johanson@usace.army.mil

Contractors shall provide the Solicitation Number and Project Name in the Subject of the email.

The Contracting Officer or Contract Specialist will send an email acknowledging receipt. Please note, the Firewall can cause a delay in receipt of email, so be sure to allow time for the delay.

1.

2.

3.

Bid Package should include the following:

Complete blocks 14 through 20c on the SF 1442.

Complete and return the Schedule of Prices (located within the specifications) Bid Bonds (Offer Guarantee)

Contractors shall reference Block 13 of the SF 1442 for the bid submission due date and time. All bids received after this time will be considered late.

**The bid submission due date and Bid Opening are indefinitely postponed.** Another amendment will be issued in the future to re-establish a new date for receipt of bids and bid opening.

The Contracting Officer and Contract Specialist will begin downloading bids one hour before bid opening time, which is the bid receipt cutoff time.

Audio Teleconference - Bid Opening Information:

Please use the following call-in information to attend the meeting:

Phone: 503-207-9433 Access Code: 282 385 532#

Following the conclusion of the bid opening, the Bid Abstract will be uploaded to the SAM website under this solicitation, within 24 hours.

Bid Bonds (Offer Guarantee) should be submitted electronically with the Bid Package.

Per Class Deviation 2020-O0016, Electronic signatures and electronic, mechanically-applied, or printed dates may be used and shall be considered original signatures and dates. In addition, a Corporate Seal is not required, the SF 28 need not be sworn and notarized and a written authorization of the release signed by the surety is acceptable in lieu of the notarized authorization of release by the surety. Original Certified Bonds need not be submitted at time of bid.

HOWEVER, the Rock Island District reserves the right to request the Original Certified Bonds, if deemed necessary to verify their authenticity.

The following deviation clauses now apply, in lieu of the corresponding FAR clauses:

52.228-11, Pledges of Assets (DEVIATION 2020-O0016), which removes the requirement for the Standard Form 28 to be sworn and notarized.

52.228-15, Performance and Payment Bonds--Construction (DEVIATION 2020-O0016), which removes the requirements for seals on Standard Forms.

Project Labor Agreements:

As required by FAR 22.503, a Project Labor Agreement (PLA) will be required for this large-scale construction project.

PLA is defined as a pre-hire collective bargaining agreement with one or more labor organizations that establishes the terms and conditions of employment for a specific construction project and is in agreement described in 29 U.S.C. 158 (f).

In accordance with FAR 52.222-33 Alternate I, Notice of Requirement for Project Labor Agreement, only the apparent successful offeror shall submit a completed and signed PLA to the Contracting Officer prior to contract award. To be eligible for award, the submitted PLA must comply with the requirements of FAR Provision 52.222-33 Alternate I and

FAR 22.504.

For any questions please contact:

Contracting Officer - Brunson Grothus, brunson.e.grothus@usace.army.mil Contract Specialist - Samantha Johanson, samantha.k.johanson@usace.army.mil

QUESTION AND ANSWER VIA PROJNET

ALL SUBMITTED QUESTIONS FOR THIS PROJECT AND THE ANSWERS PROVIDED SHALL BE VIEWED IN BIDDER INQUIRY IN PROJNET AT (https://www.projnet.org).

Technical inquiries and questions relating to this solicitation are to be submitted via Bidder Inquiry in ProjNet at (https://www. projnet.org) No Later Than (NLT) 18 December 2025, at 2:00 PM . To submit or review Central Time inquiry items, prospective vendors will need to use the Bidder Inquiry Key presented below and follow the instructions listed below the key for access. A prospective vendor who submits a comment /question will receive an acknowledgement of their comment/question via email. Another email to the same address will notify the prospective vendor once the reply is available for viewing.

The Bidder Inquiry Key is: I2978T-Q3RZWV

Specific Instructions for First Time ProjNet Bid Inquiry Access:

1. From the ProjNet home page linked above, click on Quick Add on the upper right side of the screen.

2. Identify the Agency. This should be marked as USACE.

3. Key. Enter the Bidder Inquiry Key listed above.

4. Email. Enter the email address you would like to use for communication.

5. Click Continue. A page will then open saying that a user account was not found and will ask you to create one using the provided form.

6. Enter your First Name, Last Name, Company, City, State, Phone, Email, Secret Question, Secret Answer, and Time Zone. Make sure to remember your Secret Question and Answer as they will be used from this point on to access the ProjNet system.

7. Click Add User. Once this is completed you are now registered within ProjNet and are currently logged into the system.

Specific Instructions for Future ProjNet Bid Inquiry Access:

1. For future access to ProjNet, you will not be provided any type of password. You will utilize your Secret Question and Secret Answer to log in.

2. From the ProjNet home page linked above, click on Quick Add on the upper right side of the screen.

3. Identify the Agency. This should be marked as USACE.

4. Key. Enter the Bidder Inquiry Key listed above.

5. Email. Enter the email address you used to register previously in ProjNet.

6. Click Continue. A page will then open asking you to enter the answer to your Secret Question.

7. Enter your Secret Answer and click Login. Once this is completed you are now logged into the system.

Section 00 72 00 - General Conditions

The following clauses were added:

FAR Clauses Incorporated by Full Text

52.219-4 Notice of Price Evaluation Preference for HUBZone Small Business Concerns.

(Oct 2022)

Notice of Price Evaluation preference for HUBZone Small Business Concerns (Oct 2022)

Evaluation preference.(a)

Offers will be evaluated by adding a factor of 10 percent to the price of all offers, except-(1)

Offers from HUBZone small business concerns that have not waived the evaluation preference; and(i)

Otherwise successful offers from small business concerns.(ii)

The factor of 10 percent shall be applied on a line item basis or to any group of items on which award (2) may be made. Other evaluation factors described in the solicitation shall be applied before application of the factor.

When the two highest rated offerors are a HUBZone small business concern and a large business, and (3) the evaluated offer of the HUBZone small business concern is equal to the evaluated offer of the large business after considering the price evaluation preference, award will be made to the HUBZone small business concern.

. A HUBZone small business concern may elect to waive the (b) Waiver of evaluation preference evaluation preference, in which case the factor will be added to its offer for evaluation purposes.

Offeror elects to waive the evaluation preference.

A HUBZone joint venture agrees that, in the performance of the contract, at least 40 (c) Joint venture.

percent of the aggregate work performed by the joint venture shall be completed by the HUBZone small business parties to the joint venture. Work performed by the HUBZone small business parties to the joint venture must be more than administrative functions.

(End of clause)

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USACE Cedar Rapids Flood Risk Management Project Reach 4 – Volume 403 Cargill Pump Station

SECTION 40 95 00B Page 1

SECTION 40 95 00B

CONTROL LOOP DESCRIPTIONS

11/14/2019

1.1 CONTROLS OVERVIEW

A. The Pump Station will utilize a PLC to control three Stormwater Pumps.

1. The Contractor shall provide under this contract all PLC programming required to control and monitor all three Stormwater Pumps.

B. All three Storm Water Pumps will be operated at constant speed. When placed in the REMOTE control mode at the RVSS (Reduced Voltage Soft Starter), the pumps will be controlled by a PLC in accordance with various wet well levels as detected by level transmitters and as described in control loops herein.

C. All pumps may be manually operated independently of the PLC from the face of the pump’s RVSS or motor starter. However, normally it is expected that each pump will be placed in the REMOTE control mode to enable AUTOMATIC PLC control.

D. The Storm Water Pumps will trip the motor controller via hardwired interlock in the event the low-low float switch (701_LSLL) detects low-low level in the wet well. A high-high wet well level is annunciated at the OIT (Operator Interface Terminal) located on the front of the PLC Cabinet.

E. The Pump Station PLC will communicate with the SCADA System at the Water Pollution Control Facility (WPCF) via fiber connections to the Joint Communication Network (JCN). The JCN network connection will enable monitoring and control of the Pump Station from the Owner’s remote Control Room in the WPCF as described herein.

1. The Contractor shall provide all required programming to duplicate at existing HMIs in the WPCF Control Room all monitoring and control functions that are provided for the Pump Station OIT.

2. The Owner’s existing HMI software is GE Proficy HMI/SCADA – iFIX from GE Fanuc Intelligent Platforms, Version 5.8.

F. These control loop descriptions are not intended to be an inclusive listing of all elements and appurtenances required to execute loop functions, but are rather intended to supplement and complement the Drawings and other Specification Sections.

1. The control loop descriptions shall not be considered equal to a bill of materials.

G. Provide instrumentation hardware and software as necessary to perform control functions specified herein and shown on Drawings.

H. General Requirements:

1. Programming will be ladder logic.

2. In addition to the requirements specifically stated within the control loop descriptions, all control software and hardware shall be provided as required to ensure the safe and reliable operation of all controlled equipment.

3. A "transmitter trouble" alarm shall be generated upon the loss of each transmitter signal, or if the signal is "out-of-range" (outside the 4 to 20 mA signal).

SECTION 40 95 00B Page 2

4. All "soft" alarms on analog signal shall reside in the PLC logic with de-bounce timers. The soft setpoint shall be able to be modified through the OIT system with appropriate security.

5. All alarm and trip time delays shall be operator adjustable from the OIT system with appropriate security. Alarms can be acknowledged and reset from OIT and WPCF.

6. All process values, ranges, and setpoints described herein shall be considered "Initial values" and may be changed during installation and start-up.

7. The PLC and OIT system shall validate all operator entered setpoint values before implementation. All Alarm Setpoint changes can be made by an Operator level password unless otherwise noted and all Trip Setpoint changes can be made by a Supervisor level password.

1.2 CONTROL LOOPS

A. Control Loops 701, 702, 703: Stormwater Pumps STWP-1, 2, 3 and Wet Well Level Control.

1. Major Equipment:

a. PLC in Control Panel 701_CP.

b. Backup Control Panel 702_CP.

c. Stormwater Pump 1 (STWP-1) and associated RVSS.

d. Stormwater Pump 2 (STWP-2) and associated RVSS.

e. Stormwater Pump 3 (STWP-3) and associated RVSS.

2. Major Field Instruments:

a. Low-low level float switch: 701_LSLL.

b. High-high level float switch: 701_LSHH.

c. Wet well level sensors/transmitters: 700A_LT, 700B_LT.

3. Control Logic:

a. Pumps may be manually controlled via selections (701_AM, 702_AM, 703_AM) made via the HOR (HAND-OFF-REMOTE) selector switch at the RVSS. When placed in the REMOTE control mode at the RVSS, pumps are controlled by PLC control logic as follows:

1) The three Stormwater Pumps are controlled via operator selections made at the OIT. Pump control is in accordance with selections made via MANUAL-AUTO and START-STOP selector functions and LEAD-LAG1-LAG2/AUTO ALTERNATE selector function.

2) When placed in the MANUAL mode, each pump is controlled via its START-STOP selector switch function.

3) When placed in the AUTOMATIC control mode at the OIT, pump control is in accordance with level in the Wet Well and in accordance with selection made via LEAD-LAG1-LAG2 / AUTOMATIC ALTERNATE switch function 700B_HS.

4) Wet well level is measured by redundant wet well level sensors/transmitters 700A_LT and 700B_LT. The operator selects one of the two level transmitters to be “in control”.

Both level measurements are monitored, but only the selected transmitter will be used in automatic pump control. In the event the level signals from the two level transmitters differ by more than a set amount, a high differential alarm will be generated (700_LDHA) at the OIT. In the event either signal fails (drops below 3.5 mA or rises above 20.5 mA), the PLC logic will automatically select the other transmitter to be “in control”.

SECTION 40 95 00B Page 3

5) AUTOMATIC Pump operation is as follows:

a) PLC logic commands the LEAD pump to start when wet well level has risen to LEAD Pump ON set point (initially set at EL 703 FT).

b) PLC logic commands the LAG1 pump to start when wet well level has risen to LAG1 Pump ON set point (initially set at EL 704 FT).

c) PLC logic commands the LAG2 pump to start when wet well level has risen to LAG2 Pump ON set point (initially set at EL 704.75 FT).

d) PLC logic commands the LEAD pump to turn off when wet well level has fallen to LEAD Pump OFF set point (initially set at EL 700.11 FT).

e) PLC logic commands the LAG1 pump to turn off when wet well level has fallen to LAG1 Pump OFF set point (initially set at EL 701.36 FT).

f) PLC logic commands the LAG2 pump to turn off when wet well level has fallen to LAG2 Pump OFF set point (initially set at EL 702.11 FT).

g) In the event a pump fails to operate when commanded to run by the PLC, LEAD and LAG selections will be automatically adjusted as listed below:

(1) If LEAD pump fails, the LAG1 pump becomes the LEAD pump, and the LAG2 pump becomes the LAG1 pump.

(2) If the LAG1 pump fails, the LAG2 pump becomes the

LAG1 pump.

6) AUTOMATIC ALTERNATION: When AUTOMATIC ALTERNATION is selected via 700B_HS, the pump modes will shift as listed below following each LEAD pump shutdown.

a) Pump with the fewest total running hours becomes the LEAD pump.

b) Pump with the second fewest total running hours becomes the LAG1 pump.

c) Pump with the most total running hours becomes the LAG2 pump.

b. Hardwired pump trips independent of PLC:

1) Pumps will trip the motor controller via hardwire interlock in the event of any of the following conditions:

a) Low-low wet well level is detected by level float switch

701_LSLL.

b) Pump seal leak detected.

c) Pump motor winding temperature is high-high.

c. Pump Operation During Loss of Normal Power;

1) When normal power has been lost and the generator is providing power to the station, PLC logic provides the following pump control:

a) If more than one pump was running at the time normal power was lost, PLC logic prevents more than one pump from restarting at a time following availability of emergency power. Time delay logic requires a time delay (operator adjustable from 5 to 30 seconds) between start of each pump.

d. Pump Operation – Maintenance:

1) Maintenance Pushbuttons (701_HS, 702_HS, 703_HS) installed at each pump junction box shall allow operator to jog or “bump” each pump motor for maintenance functions.

2) PLC logic shall prevent no more than manufacturer recommended consecutive starts in recommended time period.

SECTION 40 95 00B Page 4

4. Control Logic – Backup Pump Operation:

a. The Pump Station high-high level float 701_LSHH is set at an elevation above the elevation used for normal control of the pumps and low-low level float 701_LSLL is set at an elevation below the elevation used for normal control of the pumps. The floats are used for alarming purposes and to provide backup control mode of the pumps which is entirely independent of the

PLC.

b. A latching pushbutton (701A_HS) shall bypass the low-low level float and prevent backup pump operation.

c. Provide the required emergency control circuitry to backup the primary controls. If the wet well level increases and reaches the high-high level float in the wet well, override the primary (PLC) controls and start the LEAD Pump followed by the LAG Pump after an adjustable time delay. Both pumps shut off when the level falls to the low-low level float.

d. The backup mode shall be designed such that the PLC control logic is isolated from controlling the pumps once backup mode is activated. Any design which merely parallels the backup mode with the PLC control will not be acceptable. The backup control mode shall be latched and a RESET pushbutton (701B_HS) on the face of the Backup Control Panel shall be provided to allow the system to return back to normal (PLC) operation. A panel mounted pilot light shall illuminate when the backup mode is active.

1) In the event that normal power has been lost and the generator is providing power to the station, pumps will be allowed to simultaneously run. If more than one pump was running in backup control mode at the time normal power was lost, restart of each pump is separated by a time delay. A time delay (adjustable from 5 to 30 seconds) is required between start of each pump.

2) PLC considers that power is being supplied by the generator whenever MTS-1 is not in the NORMAL power position.

5. Indications at OIT:

a. Wet well level as measured by 700A_LT: 700A_LI.

b. Wet well level as measured by 700B_LT: 700B_LI.

c. Wet well level transmitter measurements differential high alarm:

700_LDHA.

1) Initially set at differential of 2 IN.

d. Wet Well high-high level alarm: 700_LHHA(based on selected level transmitter).

1) Initially set at EL 704 FT).

e. Wet Well high level alarm: 700_LHA (based on selected level transmitter).

1) Initially set at EL 703 FT).

f. Wet Well low level alarm: 700_LLA (based on selected level transmitter).

1) Initially set at EL 700 FT).

g. Wet Well low-low level alarm: 700_LLLA (based on selected level transmitter).

1) Initially set at EL 695.5 FT).

h. Stormwater Pump 1 run status: 7 01_MM.

i. Stormwater Pump 1 “end of ramp” (at speed) status: 7 01_SH.

j. Stormwater Pump 1 total run time since last reset: 7 01_RT.

SECTION 40 95 00B Page 5

k. Stormwater Pump 1 pump fail alarm (pump not running within 10 seconds of PLC run command or Pump not at speed within 30 seconds of PLC run command): 701A_AL.

l. Stormwater Pump 1 seal leak detected: 7 01B_AL.

m. Stormwater Pump 1 RVSS Fault: 7 01C_AL.

n. Stormwater Pump 1 in REMOTE mode: 7 01_ZI.

o. Stormwater Pump 1 motor winding temperature high-high: 701_THHA.

p. Stormwater Pump 1 pipe pressure: 701_PI.

q. Stormwater Pump 2 run status: 7 02_MM.

r. Stormwater Pump 2 “end of ramp” (at speed) status: 7 02_SH.

s. Stormwater Pump 2 total run time since last reset: 7 02_RT.

t. Stormwater Pump 2 pump fail alarm (pump not running within 10 seconds of PLC run command or Pump not at speed within 30 seconds of PLC run command): 702A_AL.

u. Stormwater Pump 2 seal leak detected: 7 02B_AL.

v. Stormwater Pump 2 RVSS Fault: 7 02C_AL.

w. Stormwater Pump 2 in REMOTE mode: 7 02_ZI.

x. Stormwater Pump 2 motor winding temperature high-high: 701_THHA.

y. Stormwater Pump 2 pipe pressure: 702_PI.

z. Stormwater Pump 3 run status: 7 03_MM.

aa. Stormwater Pump 3 “end of ramp” (at speed) status: 7 03_SH.

bb. Stormwater Pump 3 total run time since last reset: 7 03_RT.

cc. Stormwater Pump 3 pump fail alarm (pump not running within

10 seconds of PLC run command or Pump not at speed within 30 seconds of PLC run command): 703A_AL.

dd. Stormwater Pump 3 seal leak detected: 7 03B_AL.

ee. Stormwater Pump 3 RVSS Fault: 7 03C_AL.

ff. Stormwater Pump 3 in REMOTE mode: 7 03_ZI.

gg. Stormwater Pump 3 motor winding temperature high-high:

703_THHA.

hh. Stormwater Pump 3 pipe pressure: 703_PI.

ii. Wet Well high-high level alarm: 701_LHHA (based on backup high-high level float switch).

jj. Wet Well low-low level alarm: 701_LLLA (based on backup low-low level float switch).

1) Note: this alarm is only generated if any of the stormwater pumps are running when the level is low-low.

kk. Stormwater pumps in backup control mode: 701_AL.

1) Note: This alarm does not clear until RESET pushbutton 701_HS is depressed on face of 702_CP.

ll. Trip Bypass: 701A_ZA.

1) Note: This alarm does not clear until 701A_HS is manually unlatched, physically pulled back into its normal state.

B. Control Loops 707-708 – UPS and Power Supply Alarms.

1. Major Equipment:

a. Control Panel 701_CP.

1) UPS.

2) Power supply #1.

3) Power supply #2.

b. Control Panel 702_CP.

1) UPS.

2) Power supply #1.

3) Power supply #2.

2. Control Logic:

a. None.

3. Indications at OIT:

SECTION 40 95 00B Page 6

a. CP_701 UPS alarm: 707A_AL.

b. CP_701 UPS on battery: 707B_AL.

c. CP_701 power supply #1 failure: 707C_AL.

d. CP_701 power supply #2 failure: 707D_AL.

e. CP_702 UPS alarm: 708A_AL.

f. CP_702 UPS on battery: 708B_AL.

g. CP_702 power supply #1 failure: 708C_AL.

h. CP_702 power supply #2 failure: 708D_AL.

C. Stormwater Control Loops 711, 712, 713 – Stormwater Gates STWG-1, STWG-2 and STWG-3.

1. Major Equipment:

a. PLC in Control Panel 701_CP.

b. Backup Control Panel 702_CP.

c. Motor actuated Stormwater Gate STWG-1.

d. Motor actuated Stormwater Gate STWG-2.

e. Motor actuated Stormwater Gate STWG-3.

2. Major Field Instruments:

a. Cargill Stormwater Discharge Channel high-high level float switch: 711_LSHH.

b. Cargill Stormwater Discharge Channel level transmitters:

710A_LT, 710B_LT.

3. Control Logic:

a. Gates are controlled in accordance with selections made at the each gate actuator.

1) When placed in the LOCAL control mode via the LOCAL-OFF-

REMOTE selector switch at the actuator, the gate is controlled by local OPEN, CLOSE and STOP pushbuttons mounted on the actuator.

b. When placed in the REMOTE control mode at the actuator, the gate is remotely controlled via either PLC control logic (normal case) or via the hardwired backup control panel as described below.

c. PLC based control:

1) Cargill Stormwater Discharge level is measured by redundant wet well level transducers 710A_LT and 710B_LT.

2) For Cargill Discharge, the operator selects one of the two level transmitters to be “in control”. Both level measurements are monitored, but only the selected transmitter will be used in automatic gate control. In the event the level signals from the two level transmitters differ by more than a set amount, a high differential alarm will be generated (710_LDHA) at the OIT. In the event either signal fails (drops below 3.5 mA or rises above 20.5 mA), the PLC logic will automatically select the other transmitter to be “in control”.

3) REMOTE Gate operation via PLC control logic is as follows:

a) Each gate may be placed into either MANUAL or AUTOMATIC control mode via selector switch function at the OIT.

(1) When in MANUAL mode, the operator can open and close each gate via selections made at the OIT.

(2) When in AUTOMATIC mode, gate control is as follows:

SECTION 40 95 00B Page 7

(a) When the Cargill discharge level is below a high level setpoint 710_LSH (EL. 716.8 FT.), STWG-1 and STWG-2 is commanded via the PLC to fully open and direct stormwater flow to the discharge channel and on to the river. STWG-3 is commanded to fully close.

(b) When the Cargill discharge level is at or above the high level setpoint 710_LSH, STWG-1 and STWG-2 is commanded to fully close and STWG-3 is commanded to fully open to direct flow through the bar screens and into the wet well.

b) In the event a high-high level is detected via level float switch 711_LSHH, the stormwater gates will be automatically controlled by the hardwired backup control panel as described below.

4. Control Logic – Backup Operation:

a. The Cargill Discharge Channel high-high level float 711_LSHH is set at an elevation above the elevation used for normal control of the gates. The float is used for alarming purposes and to provide backup control mode of the gates which is entirely independent of the PLC.

b. Provide the required emergency control circuitry to back up the primary (PLC) controls. If the channel level increases and reaches the high-high level float, override the primary (PLC) controls and utilize hardwired relay logic to close STWG-1 and STWG-3 and open STWG-1.

c. The backup control circuitry precludes the PLC control logic from controlling the gates once backup mode is activated. The backup control mode shall be latched and a RESET pushbutton (711_HS) on the face of the Backup Control Panel shall be provided to allow the system to return back to normal (PLC) operation. A panel mounted pilot light shall illuminate when the Gate Backup Mode is active.

5. Indications at OIT:

a. Cargill Discharge Channel level as measured by 710A_LT: 710A_LI.

b. Cargill Discharge Channel level as measured by 710B_LT: 710B_LI.

c. Cargill Discharge Channel level transmitter measurements differential high alarm: 710_LDHA.

1) Initially set at differential of 2 IN.

d. STWG-1 open status: 711_ZDI.

e. STWG-1 closed status: 711_ZBI.

f. STWG-1 failure alarm: 711-GF (gate is not in position as commanded by PLC within 30 seconds (time adjustable)).

g. STWG-1 in REMOTE control mode: 711_ZI.

h. STWG-2 open status: 712_ZDI.

i. STWG-2 closed status: 712_ZBI.

j. STWG-2 failure alarm: 712-GF (gate is not in position as commanded by PLC within 30 seconds (time adjustable)).

k. STWG-2 in REMOTE control mode: 712_ZI.

l. STWG-3 open status: 713_ZDI.

m. STWG-3 closed status: 713_ZBI.

n. STWG-3 failure alarm: 713_GF (gate is not in position as commanded by PLC within 30 seconds (time adjustable)).

o. STWG-3 in REMOTE control mode: 713_ZI.

p. Cargill Discharge Channel high-high level alarm: 711_LHHA.

q. Cargill Gates in backup control mode: 711_AL.

SECTION 40 95 00B Page 8

1) Note: This alarm does not clear until RESET pushbutton 511_HS is depressed on face of Backup 502_CP.

D. Control Loop 520 – Bar Screen Control.

1. Major Equipment:

a. PLC in Control Panel 701_CP.

b. Bar Screen MBS-1 and associated Vendor-furnished control panel.

2. Major Field Instruments:

a. Level transmitter 720_LT (bar screen influent).

b. Wet well level transmitters: 700A_LT, 700B_LT

3. Control Logic:

a. The bar screen is controlled in accordance with selections made at the local control station via HAND-OFF-AUTO and FORWARD-OFF- JOG REVERSE selector switches 720_YC and 720A_HS, respectively.

b. The bar screen may be manually controlled locally when placed in the HAND mode via 720_YC. The bar screen will operate in either the forward or reverse direction as selected via FORWARD-OFF-JOG REVERSE selector switch 720A_HS.

c. When placed in the AUTO mode via 720_YC, the bar screen is controlled in accordance with control logic resident within the vendor-furnished Bar Screen Main Control Panel (see Section 46 20 20).

1) In AUTO, the bar screen is commanded to run whenever the upstream level (measured by 720_LT) exceeds the measured downstream level (as measured by the selected wetwell level transmitter, either 700A_LT or 700B_LT) by more than a set amount. The bar screen will continue to operate until the level difference falls below a deadband set point for a set period of time.

4. Indications at OIT:

a. Bar Screen in HAND control mode: 720A_ZI.

b. Bar Screen in AUTO control mode: 720B_ZI.

c. Bar screen run status: 720_MM.

d. Bar screen total run time since last reset: 720_RT.

e. Bar Screen overload alarm: 720_MF.

f. Bar Screen level differential high alarm: 720_LDHA (set point:

Determine in field).

E. Control Loop 726 – Manual Transfer Switch MTS-1 Monitoring.

1. Major Equipment:

a. PLC in Control Panel 701_CP.

b. Manual Transfer Switch MTS-1.

2. Indications at OIT:

a. MTS-1 in NORMAL power position: 726_ZI.

b. MTS-1 not in NORMAL power position: 726_AL.

F. Control Loops 727, 728 – Surge Protection Device (SPD) Failure Alarms.

1. Major Equipment:

a. PLC in Control Panel 701_CP.

b. Motor Control Center MCC-1.

c. Main Power Panel MPP-1.

2. Indications at OIT:

a. MCC-1 SPD Failure Alarm: 727_AL.

b. MPP-1 SPD Failure Alarm: 728_AL.

-- End of Section --

Reach 4 - Volume 403 Cargill Pump Station

Point No.

Loop No. ID Tag Description

Point Type

1 700A_LI * Cargill Wet Well level, transmitter 700A_LT AI 2 700B_LI * Cargill Wet Well level, transmitter 700B_LT AI 3 710A_LI * Cargill Discharge Channel level, transmitter 710A_LT AI 4 710B_LI * Cargill Discharge Channel level, transmitter 710B_LT AI 5 701_PI STWP-1 Pipe Pressure 701_PT AI 6 702_PI STWP-2 Pipe Pressure 702_PT AI 7 702_PI STWP-3 Pipe Pressure 703_PT AI 8 700_LI Level downstream of barscreen (to MBS Controller) AO

14 701 501_AM STWP-1 Auto/Manual (Maintenance Switch) DI 15 701 701_MM STWP-1 running status DI 16 701 701_SH STWP-1 end of ramp (at speed) DI 17 701 701_THHA STWP-1 motor winding temp hi hi DI 18 701 701_ZI STWP-1 in REMOTE control mode DI 19 701 701A_AL STWP-1 Fail (internal logic) 20 701 701B_AL STWP-1 seal leak detected DI 21 701 701C_AL STWP-1 RVSS Fault DI 22 702 702_AM STWP-2 Auto/Manual (Maintenance Switch) DI 23 702 702_MM STWP-2 running status DI 24 702 702_SH STWP-2 end of ramp (at speed) DI 25 702 702_THHA STWP-2 motor winding temp hi hi DI 26 702 702_ZI STWP-2 in REMOTE control mode DI 27 702 702A_AL STWP-2 Fail (internal logic)

28 702 702B_AL STWP-2 seal leak detected DI

29 702 702C_AL STWP-2 RVSS Fault DI

30 703 703_AM STWP-3 Auto/Manual (Maintenance Switch) DI

31 703 703_MM STWP-3 running status DI

32 703 703_SH STWP-3 end of ramp (at speed) DI 33 703 703_THHA STWP-3 motor winding temp hi hi DI 34 703 703_ZI STWP-3 in REMOTE control mode DI 35 703 703A_AL STWP-3 Fail (internal logic) 36 703 703B_AL STWP-3 seal leak detected DI 37 703 703C_AL STWP-3 RVSS Fault DI 38 707 707A_AL CP-501 UPS Alarm DI 39 707 707B_AL CP-501 UPS on Battery DI 40 707 707C_AL CP-501 Power Supply #1 failure alarm DI 41 707 707D_AL CP-501 Power Supply #2 failure alarm DI

CP-701 PLC POINTS LIST

SECTION 40 95 00C Page 1

42 708 708A_AL CP-502 UPS Alarm DI 43 708 708B_AL CP-502 UPS on Battery DI 44 708 708C_AL CP-502 Power Supply #1 failure alarm DI 45 708 708D_AL CP-502 Power Supply #2 failure alarm DI 46 711 711_AM STWG-1 Auto/Manual (Maintenance Switch) DI 47 711 711_GF STWG-1 Gate Fail (internal logic) 48 711 711_ZBI STWG-1 closed status DI 49 711 711_ZDI STWG-1 open status DI 50 711 711_ZI STWG-1 in REMOTE control mode DI 51 712 712_AM STWG-2 Auto/Manual (Maintenance Switch) DI 52 712 712_GF STWG-2 Gate Fail (internal logic) 53 712 712_ZBI STWG-2 closed status DI 54 712 712_ZDI STWG-2 open status DI 55 712 712_ZI STWG-2 in REMOTE control mode DI 56 713 713_AM STWG-3 Auto/Manual (Maintenance Switch) DI 57 713 713_GF STWG-3 Gate Fail (internal logic) 58 713 713_ZBI STWG-3 closed status DI 59 713 713_ZDI STWG-3 open status DI 60 713 713_ZI STWG-3 in REMOTE control mode DI 62 720 720_MF Bar Screen overload alarm DI 63 720 720_MM Bar Screen run status DI 64 720 720A_ZI Bar Screen in HAND control mode DI 65 720 720B_ZI Bar Screen in AUTO control mode DI 66 726 726_ZI Transfer Switch MTS-1 in NORMAL position DI 67 727 727_AL MCC-1 Surge Protection Device failure alarm DI 68 728 728_AL MPP-1 Surge Protection Device failure alarm DI 72 701_AL Pump Backup Control Active DI 73 701_LHHA * Wet Well level hi hi DI 74 701_LLLA * Wet Well level low low DI 75 711_AL Cargill Gate Backup Control Active DI 76 711_LHHA * Cargill Discharge Channel level high-high DI 79 701A_ZA Auto Trip (Bypass) DI 80 701 701A_SS STWP-1 run command DO 81 702 702A_SS STWP-2 run command DO 82 703 703A_SS STWP-3 run command DO 83 711 711_HSC STWG-1 CLOSE command DO 84 711 711_HSO STWG-1 OPEN command DO 85 712 712_HSC STWG-2 CLOSE command DO 86 712 712_HSO STWG-2 OPEN command DO 87 713 713_HSC STWG-3 CLOSE command DO 88 713 713_HSO STWG-3 OPEN command DO

SECTION 40 95 00C Page 2

101 720 720_LDHA Bar Screen differential level high alarm (internal logic) 102 720 720_RT Bar Screen Run Time (internal logic) 103 700_LDHA Wet Well differential alarm (internal logic) 104 700_LHA Wet Well level low (internal logic) 105 700_LHHA Wet Well level hi hi (internal logic) 106 700_LLA Wet Well level hi (internal logic) 107 700_LLLA Wet Well level low low (internal logic)

108 710_LDHA Cargill Discharge Channel differential alarm (internal logic)

109 710_LHA

Cargill 3rd Ave Discharge Channel level hi alarm (internal logic)

110 710_LSH Cargill Discharge Channel level hi (internal logic)

* Intrinsically safe circuit

SECTION 40 95 00C Page 3

KO CONTRACTING DIVISION, 1 ROCK ISLAND ARSENAL

ROCK ISLAND, IL 61299-5001

UNITED STATES

SAMANTHA JOHANSON, EMAIL: SAMANTHA.K.JOHANSON@USACE.ARMY.MIL TELEPHONE: 309-794-5259 AdminBy:

SCD: PAS: