Exhibit G.1 - NREL S&TF AWN Drawings 95%-R1 D1471R.pdf

PDF 275 KB Posted Feb 17, 2022

Attached to: Science and Technology Facility (S&TF) Spill Recovery Federal contract opportunity
Solicitation number: RFP-2022-22028
Issued by: Department of Energy Office of Science

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Amendment 3 - RFP-2022-22028.pdf	PDF	Mar 30, 2022
Amendment 2 - RFP-2022-22028.pdf	PDF	Mar 29, 2022
Amendment 1 - RFP-2022-22028.pdf	PDF	Mar 11, 2022
Attachment 2 - Sample Construction Subcontract.pdf	PDF	Feb 17, 2022
Exhibit E - Temp_Traffic_Control_Manual.pdf	PDF	Feb 17, 2022
RFP-2022-22028.pdf	PDF	Feb 17, 2022
Attachment 4 - Pre-visit-questionnaire.docx	DOCX document	Feb 17, 2022
Attachment 3 - Construction Price Proposal Form.docx	DOCX document	Feb 17, 2022
Attachment 1 - SOW - STF Spill Recovery 1.11.22.pdf	PDF	Feb 17, 2022
Exhibit A.1 - NREL S&TF AWN Dwg 100% Rev2-20220118.pdf	PDF	Feb 17, 2022
Exhibit D - Construction Waste Material Disposition Log.xlsx	XLSX spreadsheet	Feb 17, 2022
Exhibit A.2 - NREL S&TF AWN Pump Cart IFC DWG .pdf	PDF	Feb 17, 2022
Exhibit C - Construction EHS Manual - Version 7.pdf	PDF	Feb 17, 2022
Exhibit G.2 - AWN_Chemcial_Delivery_Requirements_Exported.pdf	PDF	Feb 17, 2022
Exhibit F - QA Plan guidance Final 412011.pdf	PDF	Feb 17, 2022
Exhibit B - STF AWN Specs 20220118.pdf	PDF	Feb 17, 2022

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Managed and Operated by the

15013 Denver West Parkway Golden, CO 80401 Phone: 303-275-3000

ALLIANCE FOR SUSTAINABLE ENERGY, LLC

The RMH Group, Inc.

303-239-0909 303-235-0218

RMH Job Number: 20422

Waste Neutralization Sequence of Operation

A. GENERAL

1. The Waste Neutralization System, AWN, shall be programmed to operate continuously- 24 hours/day - 7 days/week.

2. The system is designed for a continuous flow rate of 10 GPM with 2 stages of pH adjustment.

3. The system consists of a sodium bicarbonate tank with metering pump, mixer, and level detection; a first stage neutralizing tank with effluent inlet, chemical metering pumps, mixer, pH probe, and level detection; and a final stage neutralizing tank with effluent outlet, chemical metering pumps, mixer, pH probe, and level detection.

4. The effluent discharge piping manifold has a pH probed and an industrial grade flowmeter that shall provide instantaneous flow rates, as well as total flow for the system.

5. The entire skid shall be mounted in polypropylene secondary containment pans with liquid leak detection.

6. Chemical metering pumps shall be proportionally controlled to allow better pH control.

7. Chemical drums shall have low level alarms and secondary leak detection alarms.

8. All points shall be graphically displayed at the head end operator work station.

B. 1st STAGE NEUTRALIZATION TANK

1. Upon system start up, the EMCS shall check the status of the following safety devices for secondary containment leak detection and ensure they are not in an alarmed conditioned.

[STF 1st Tank Leak Alrm] [STF Final Tank Leak Alrm] [STF NaHC03 Leak Alrm] [STF NaOH Leak Alrm]- See 38200 SC AE Controller [STF H2S04 Leak Alrm]- See 38400 SC AME Controller

2. If an alarm condition exists, the EMCS shall annunciate a local alarm [STF PDIL CR AWN Alarm] and report an alarm condition to back the head end operator work station.

3. These are critical alarms that shall require immediate attention from clean room and/or maintenance personnel.

4. The EMCS system shall also monitor the ammonia exhaust system to ensure the AWN system is vented and remains under a negative pressure.

5. If the AWN system is enabled and the EMCS system fails to acknowledge proof of the ammonia exhaust operation, the EMCS shall annunciate a local alarm [STF PDIL CR AWN Alarm] and report an alarm condition to back the head end operator work station.

6. Please note hazardous fumes may be present and maintenance personnel shall wear appropriate PPE to service the AWN system is this condition.

7. The EMCS system shall also monitor the general lab exhaust system to ensure the chemical storage cabinet is vented and remains under a negative pressure.

8. If the AWN system is enabled and the EMCS system fails to acknowledge proof of the general exhaust operation, the EMCS shall annunciate a local alarm and report an alarm condition to back the head end operator work station.

9. Please note hazardous fumes may be present and maintenance personnel shall wear appropriate PPE to service the chemical cabinet is this condition.

10. The EMCS system shall monitor the 1st Stage Neutralization for a high level alarm [STF 1st TANK HI LVL] and the Final Stage Neutralization Tank for a high level alarm [STF FINAL TANK HI LVL].

11. If the EMCS acknowledges a high tank level alarm, the EMCS shall annunciate a local alarm [STF PDIL CR AWN ALRM LIGHT] and report an alarm condition to back the head end operator work station.

12. These are critical alarms that shall require immediate attention from clean room and/or maintenance personnel.

C. pH ADJUSTMENT BATCH TREATMENT TANK

1. The effluent from the process drains shall enter into the 1st stage neutralization tank where a pH probe [STF pH 1st TANK] shall monitor the actual pH level of the fluid entering the tank.

2. The default pH setpoint for the AWN system is 7.5 pH (adjustable).

3. lf the actual pH value is less than the setpoint, the EMCS shall send a proportional demand signal to the NaOH chemical metering pump [STF NaOH P3 Demand] to raise the pH solution towards setpoint.

4. The EMCS shall monitor the position of a current sensing switch to prove chemical pump [STF CHEM P3 STS] operation after the command to deliver chemicals.

5. If the EMCS does not acknowledge chemical pump operation after a command to deliver chemicals, the EMCS shall annunciate a local alarm [STF PDIL CR AWN ALRM LIGHT] and report an alarm condition to back the head end operator work station.

6. If the actual pH value is above the setpoint, the EMCS shall send a proportional demand signal to the H2SO4 chemical metering pump [STF CHEM P6 Demand] to lower the pH solution towards setpoint. The EMCS shall monitor the position of a current sensing switch to prove chemical pump [STF CHEM P6 STS] operation after the command to deliver chemicals.

7. If the EMCS does not acknowledge chemical pump operation after a command to deliver chemicals, the EMCS shall annunciate a local alarm [STF PDIL CR AWN ALRM LIGHT] and report an alarm condition to back the head end operator work station.

8. The EMCS shall command the mixer to start operation [STF 1st Tank Mixer S/S] any time there is a chemical demand signal to the metering pumps.

9. Once command “ON”, the mixer shall operate at a constant speed. The EMCS shall monitor the position of a current sensing switch to prove the mixer is in [STF 1st TANK MIXER STS] operation during time periods when there is a demand for chemical delivery.

10. If the EMCS does not acknowledge mixer operation within 60 seconds (adjustable) after a command to start, the EMCS shall annunciate a local alarm [STF PDIL CR AWN ALRM LIGHT] and report an alarm condition to back the head end operator work station.

11. Given the primary fluid of the effluent is deionized water, the system is provided with sodium bicarbonate injection, which helps minimize the volume of chemicals used to neutralize the effluent.

12. Upon a command to start the AWN system, the EMCS shall command the mixer to start operation [STF NaHC03 Mixer SS] and run continuously.

13. The EMCS shall monitor the position of a current sensing switch to prove the mixer is in [STF NaHC03 MIXER STS] operation after it is commended to start.

14. If the EMCS does not acknowledge mixer operation within 60 seconds (adjustable) after a command to start, the EMCS shall annunciate a local alarm [STF PDIL CR AWN ALRM LIGHT] and report an alarm condition to back the head end operator work station.

15. The chemical metering pump shall be programmed to deliver a 4-20 mAmp proportional demand signal [STF CHEM P8 DEMAND] to the metering pump based on final effluent flow as registered by the flow meter [STF FLOW EFFLUENT DISCH] based on the values below.

16. All setpoints must be adjustable.

17. The EMCS shall monitor the position of a current sensing switch to prove chemical pump [STF CHEM P8 STS] operation after the command to deliver chemicals.

18. If the EMCS does not acknowledge chemical pump operation after a command to deliver chemicals, the EMCS shall annunciate a local alarm [STF PDIL CR AWN ALRM LIGHT] and report an alarm condition to back the head end operator work station.

Setpoint Demand 10 GPM- 20 mAmp Signal

7.5 GPM- 16 mAmp Signal

5.0 GPM - 8 mAmp Signal

2.5 GPM- 4 mAmp Signal

19. The EMCS shall monitor the level of chemicals in the NaHC03 drum and report a low chemical level [STF NaHC03 DRUM LO LVL] when the float switch on the dip stick closes upon a fall in liquid level.

20. The EMCS shall annunciate a local alarm [STF PDIL CR AWN ALRM LIGHT] and report an alarm condition to back the head end operator work station.

D. FINAL STAGE NEUTRALIZATION TANK

1. As the effluent continues to flow into the 1” stage tank, the neutralization process describe above continues to operate to achieve the pH setpoint.

2. As the level of the tank rises to the effluent exit of the first tank, the effluent shall flow by gravity into the final stage neutralization tank and pH and mixer sequence shall be similar to the first stage.

3. The effluent from the 1st stage neutralization tank enters into the final stage tank where a pH probe [STF PH FINAL TANK] shall monitor the actual pH level of the fluid entering the tank.

4. The default pH setpoint for the AWN system is 7.5 pH (adjustable).

5. If the actual pH value is less than the setpoint, the EMCS shall send a proportional demand signal to the NaOH chemical metering pump [STF CHEM P4 DEMAND] to raise the pH solution towards setpoint.

6. The EMCS shall monitor the position of a current sensing switch to prove chemical pump [STF CHEM P4 STS] operation after the command to deliver chemicals.

8. If the actual pH value is above the setpoint, the EMCS shall send a proportional demand signal to the H2S04 chemical metering pump [STF CHEM P7 DEMAND] to lower the pH solution towards setpoint.

9. The EMCS shall monitor the position of a current sensing switch to prove chemical pump [STF CHEM P7 STS] operation after the command to deliver chemicals.

10. If the EMCS does not acknowledge chemical pump operation after a command to deliver chemicals, the EMCS shall annunciate a local alarm [STF PDIL CR AWN ALRM LIGHT] and report an alarm condition to back the head end operator work station.

11. The EMCS shall command the mixer to start operation [STF FINAL TANK MIXER SS] any time there is a chemical demand signal to the metering pumps.

12. Once command “ON”, the mixer shall operate at a constant speed. The EMCS shall monitor the position of a current sensing switch to prove the mixer is in [STF FINAL TANK MIXER STS] operation during time periods when there is a demand for chemical delivery.

13. If the EMCS does not acknowledge mixer operation within 60 seconds (adjustable) after a command to start, the EMCS shall annunciate a local alarm [STF PDIL CR AWN ALRM LIGHT] and report an alarm condition to back the head end operator work station.

14. As the continuous flow of effluent fills the final tank and rises to the effluent discharge elevation, the effluent shall drain by gravity into the existing laboratory waste drain system. The final pH of the effluent in the exit drain piping shall be monitored and trended.

15. The EMCS shall be programmed with a low limit alarm setpoint of 6.0 pH (adjustable) and a high limit alarm setpoint of 9.0 pH (adjustable).

16. The EMCS shall annunciate a local alarm and report an alarm condition to back the head end operator work station if the pH of the discharged effluent is in an alarmed condition.

17. These are critical alarms t hat shall require immediate attention from cleanroom and/or maintenance personnel.

18. The EMCS shall also monitor and trend the flow rate [STF FLOW EFFLUENT DISCH] of the effluent being discharged to the laboratory waste drain. The EMCS shall program in high flow level warning alarm when the effluent reaches 15 GPM (adjustable) flow rate and a high flow rate alarm when the flow rate exceeds 20 GPM (adjustable) .

19. The EMCS shall annunciate a local alarm and report an alarm condition to back the head end operator work station.

20. This is a critical alarm that shall require immediate attention from cleanroom and/or maintenance personnel.

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W:\JOBS20\20422\1DWGS\AUTOCAD\SHEETS

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NREL.STB

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FACILITY MANAGER

AutoCAD SHX Text THESE DRAWINGS ARE A PROGRESS SET AND ARE, BY THEIR NATURE, INCOMPLETE. THEY ARE NOT SUITABLE FOR BIDDING OR CONSTRUCTION. ANY ATTEMPT TO ESTABLISH CONSTRUCTION COSTS FROM THESE DOCUMENTS MUST BE DONE WITH EXTREME CAUTION. COST ALLOWANCES MUST BE PROVIDED FOR DESIGN ELEMENTS AND MATERIALS NOT YET INDICATED ON THESE DOCUMENTS. THE RMH GROUP HAS NO THE RMH GROUP HAS NO THE RMH GROUP HAS NO RESPONSIBILITY OR LIABILITY FOR COSTS OF CONSTRUCTION ASSOCIATED WITH DESIGN ELEMENTS AND MATERIALS NOT YET SHOWN ON THESE DOCUMENTS.

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50% CONSTRUCTION DRAWING REVIEW

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S&TF

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BLDG. CONTROL

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ACID WASTE NEUTRALIZATION (AWN)

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File details come from the government source that posted it. Updated Feb 17, 2022.