Amend_0002_Drawings.pdf

PDF 3 MB Posted Aug 30, 2019

Attached to: USDA ARS Groundwater Transfer and Injection Pilot Study Project in Leflore County, Mississippi
Solicitation number: W912EE19B0008
Issued by: Department of the Army Corps of Engineers Engineering District Vicksburg

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Amendment 0002 Drawings

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File	Type	Posted
A22_W912EE19B0008-0002.pdf	PDF	Aug 30, 2019
Amend_0002_Specs.pdf	PDF	Aug 30, 2019
A22_W912EE19B0008-00001.pdf	PDF	Aug 22, 2019
A23_Prebid_Attendance.pdf	PDF	Aug 22, 2019
W912EE19B0008_ARS_Plans_Drawings.PDF	PDF	Aug 7, 2019
A22_W912EE19B0008.pdf	PDF	Aug 6, 2019

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EXTRACTION WELL

SUPPLY FROM

4"16"4"

EXIST. GROUND

VARIABLE FREQUENCY DRIVE

PUMP ELECTRIC MOTOR WITH

EXIST. GROUND

OR MOTOR OPERATED VALVE

12" GATE VALVE, NORMALLY OPEN

12" SCH. 40 STEEL PIPE

FLOW METER

MAGNETIC

12" PVC PIPE

REDUCER FITTING

SEE NOTE 1

EXTRACTION WELL

AND VISUAL GAUGE

W/ ELECTRONIC

PRESSURE TAP

TAP, SEE NOTE 3

SAMPLING

8" SCH. 40 STEEL PIPE

INJECTION WELL PIPING

NORMALLY OPEN

8" GATE VALVE,

AND VISUAL GAUGE

W/ ELECTRONIC

PRESSURE TAP

TYPE

VALVE BUTTERFLY

8" MOTOR OPERATED

EXIST. GROUND

SEE NOTE 3

SAMPLING TAP

SEE NOTE 4

INJECTION WELL

VALVE MOUNTED ON 12X4 TEE

3" AIR/VACUUM RELEASE

AFTER THE WELL IS DEVELOPED

REST WATER LEVEL TO BE DETERMINED

RELEASE VALVE

3" AIR/VACUUM

SEE NOTE 5

PIPE SUPPORT (TYP.)

SEE NOTE 5

PIPE SUPPORT (TYP.)

NEAT BENTONITE SEAL

12" CONCRETE WELL PAD, SEE NOTE 2

SEE NOTE 2

12" CONCRETE WELL PAD

START 12" PVC PIPE

CASING ABOVE WELL SCREEN

LEVEL WELL CONNECT TO

4"16"4"

40 SLOT JOHNSON "HI-FLOW" OR SIMILAR

TYPE 304 SS VEE-WIRE WRAPPED SCREEN

24" BOREHOLE

PROVIDE PRESSURE SEAL

WELL LEVEL SENSOR TUBE

3" STAINLESS STEEL

PROVIDE PRESSURE SEAL

WELL LEVEL SENSOR TUBE

3" STAINLESS STEEL

FLOW

12" PVC PIPE

CONCRETE BASE

FILTER PACK, #2 GRADATION

OD PVC TAIL PIPE

NEAT BENTONITE SEAL

FILTER PACK, #2 GRADATION

OD PVC TAIL PIPE

FLOW

MAGNETIC FLOW METER

2" OF GROUT OUTSIDE OF CASING

32" BOREHOLE FOR 28" SURFACE CASING

CEMENT GROUT WITH 5% BENTONITE

2" OF GROUT OUTSIDE OF CASING

32" BOREHOLE FOR 28" SURFACE CASING

CEMENT GROUT WITH 5% BENTONITE

2" 2"

CASING ABOVE WELL SCREEN

LEVEL WELL CONNECT TO

AT APPROX. 60 FT. DEPTH

1500 GPM @ 220' TDH

WELL PUMP MIN.

VERTICAL TURBINE

28" STEEL SURFACE CASING

PUMP DISCHARGE HEAD

SEE NOTE 6

PUMP SUPPORT PLATE

TOP OF GROUT

28" PIPE FLANGE

28" STEEL SURFACE CASING

28" PIPE FLANGE

30 SLOT JOHNSON "HI-FLOW" OR SIMILAR

TYPE 304 SS VEE-WIRE WRAPPED SCREEN

BELOW PUMP SUPPORT PLATE

TERMINATE CASING JUST

0.375" WALL THICKNESS

16" LOW-CARBON (MILD) STEEL CASING

0.375" WALL THICKNESS

16" LOW-CARBON (MILD) STEEL CASING

SEE NOTE 8

(BID OPTION)

VALVE BUTTERFLY TYPE

6" MOTOR OPERATED

(BID OPTION)

SEE SHEET C-503 FOR CONTINUATION

GROUND TO 8" PVC UNDERGROUND

TO AIR-GAP STRUCTURE, 6" STEEL ABOVE

BACK-FLUSH DISCHARGE PIPE

(BID OPTION)

6" SCH. 40 STEEL PIPE(BID OPTION)

RELEASE VALVE

1" AIR/VACUUM

TYPE (BID OPTION)

VALVE BUTTERFLY

6" MOTOR OPERATED

(BID OPTION)

TO KEEP PIPE COLUMN CENTERED

CONTRACTOR TO PROVIDE SUPPORTS

6" STAINLESS STEEL PUMP COLUMN;

(BID OPTION)

SUBMERSIBLE TURBINE PUMP

1100 GPM, 140' TDH BACK-FLUSH

ALTERNATE METHOD (TYP.): SEE NOTE 9

ALTERNATE METHOD: SEE NOTE 9

SEE NOTE 9

ALTERNATE METHOD

SEE NOTE 9

ALTERNATE METHOD

CHECK VALVE

END 12" PVC PIPE

EXIST. GROUND

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®of Engineers

US Army Corps

U .S

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EXTRACTION WELL

INJECTION WELL

2 REQUIRED

1 REQUIRED

EL 135.5

TOP OF NEAT BENTONITE SEAL

DEPTH: 115 FT.

DEPTH: 65 FT.

DEPTH: 55 FT.

BOTTOM OF SCREEN

BOTTOM OF SURFACE CASING

TOP OF CONCRETE CAP, DEPTH: 120 FT.

BOTTOM OF BOREHOLE, DEPTH: 122 FT

DEPTH: AS SCHD.*

TOP OF CONC. CAP, DEPTH: AS SCHD.*

BOT. OF BOREHOLE, DEPTH: AS SCHD.*

DEPTH: AS SCHD.*

TOP OF FILTER PACK

TOP OF SCREEN

DEPTH: 45 FT.

TOP OF NEAT BENTONITE SEAL

TOP OF FILTER PACK

TOP OF SCREEN

DEPTH: 15 FT. (MIN.)

DS: AEC_Screen.dscriptPD: AEC_pdf.pltcfg9:46:08 AM 8/30/2019 pw://COE-MVKPWP01VIC.mvk.ds.usace.army.mil:CEMVK01/Documents/Civil Works/08 - Yazoo River Basin/08 - Tallahatchie River Projects/USDA ARS Groundwater Transfer and Injection Pilot Study/30000 - Planning & Engineering & Design/30AA0 - Engineering & Design/C

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INJECTION AND EXTRACTION WELLS TYPICAL SECTIONS

SCALE: N.T.S.

L M J R

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C-502

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*NOTE: SEE "INJECTION WELL DEPTHS" TABLE FOR DEPTHS.

W E

OPTION)

WESTATLANTIC MODEL PTK-P OR EQUAL. SEE SHEET C-503 FOR LOCATION. (BID

DESIGNED FOR COUPLING MOUNTING TO THE DISCHARGE PIPE. FLAP VALVE SHALL BE

8" FLAP VALVE SHALL HAVE A HDPE DOOR WITH STAINLESS STEEL HINGE AND BE

OR EQUAL.

RANGE. TRANSMITTERS SHALL BE ASHCROFT A2 SERIES MODEL A2SBF0442B4300#G

INSTALLATION. TRANSMITTERS SHALL OUTPUT A 4 TO 20 MA SIGNAL WITH A 300 PSI

PRESSURE TRANSMITERS SHALL BE STAINLESS STEEL AND SUITABLE FOR OUTSIDE

EQUAL.

GAUGES SHALL BE ASHCROFT 1009 DURALIFE MODEL 251009AW L40L 300# OR

OUTSIDE INSTALLATION. VALVES SHALL HAVE A 2.5”FACE AND 300 PSI RANGE.

PRESSURE GAUGES SHALL BE STAINLESS STEEL, LIQUID FILLED AND SUITABLE FOR

CONTRACTOR TO PROVIDE PROPER SIZE.

SYSTEM. FLOW METER SHALL BE EMERSON, ROSEMOUNT MODEL 8750W, OR EQUAL.

THE LOCATIONS SHOWN. FLOW METER SHALL PROVIDE OUTPUTS FOR THE CONTROL

METERS SHALL BE DESIGNED FOR PERMANENT MOUNTING WITH 150 LB FLANGES IN

FLOW METERS SHALL BE MAGNETIC TYPE WITH INTEGRAL TRANSMITTER. FLOW

101ST FOR 1" OR EQUAL. 1" VALVE IS REQUIRED FOR BID OPTION.

RATED FOR 150 PSI. VALVES SHALL BE VAL-MATIC MODEL 103ST FOR 3" AND MODEL

AIR/VACUUM RELEASE VALVES SHALL BE THE WELL SERVICE AIR VALVE TYPE AND

STEEL TRIM. VALVES SHALL BE NIBCO MODEL F-637-33 OR EQUAL.

GATE VALVES SHALL BE CLASS 150, FLANGED, DUCTILE IRON BODY WITH STAINLESS

VALVE OR EQUAL.

STAINLESS STEEL DISCS. VALVES SHALL BE BRAY BRAY/RITE DOUBLE DOOR CHECK

CHECK VALVE SHALL BE CLASS 150, DOUBLE DOOR TYPE WITH IRON BODY AND

BE BRAY SERIES 23 WITH SERIES 70 ACTUATOR OR EQUAL. (BID OPTION)

PROVIDE OPEN/CLOSED POSITION INDICATOR FOR CONTROL SYSTEM. VALVES SHALL

STEEL DISC, AND PTFE SEAT, CLASS 150. VALVES SHALL HAVE ELECTRIC ACTUATORS.

6" BUTTERFLY VALVES SHALL BE LUG STYLE WITH DUCTILE IRON BODY, STAINLESS

AND SERVO NXT CONTROLLER OR EQUAL.

WITH SERVO CONTROL. VALVES SHALL BE BRAY SERIES 23 WITH SERIES 70 ACTUATOR

STEEL DISC, AND PTFE SEAT, CLASS 150. VALVES SHALL HAVE ELECTRIC ACTUATORS

8” BUTTERFLY VALVES SHALL BE LUG STYLE WITH DUCTILE IRON BODY, STAINLESS

VALVES, METERS, SENSORS AND GAUGES

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AROUND THE CASING SHALL BE CEMENTED FROM THE BOTTOM OF THE CASING TO THE GROUND SURFACE.

BENTONITE SEAL TO PROVIDE ADDITIONAL SUPPORT DURING WELL DEVELOPMENT. THE ANNULAR SPACE

9. ALTERNATE METHOD: CONTRACTOR MAY EXTEND 28" STEEL SURFACE CASING TO THE TOP OF THE NEAT

VALVE AND PIPING AS SHOWN FOR BID OPTION.

8. PROVIDE 8" x 8" X 6" TEE AND SEALED WITH 6" BLIND FLANGED FOR BASE BID ONLY. PROVIDE 6" BUTTERFLY

OPTION IS AWARDED.

7. ITEMS ASSOCIATED WITH THE INJECTION WELL BACKFLUSH SYSTEM ARE ONLY REQUIRED IF THE BID

INCLUDING DEAD WEIGHTS AND THRUST LOADS.

6. CONTRACTOR SHALL DESIGN PUMP SUPPORT PLATE TO PROPERLY SUPPORT ALL PUMP LOADS

5. PIPE SUPPORTS SHALL BE MSS-SP-58, TYPE 38. FINISH SHALL BE GALVANIZED.

SUPPORT BACKFLUSH PUMP AND PIPING. SEAL WELL HEAD AND OPENINGS TO 75 PSI.

SUPPORT BOTH 750 GPM INJECTION AND 1100 GPM BACKFLUSH DISCHARGE. DESIGN WELL HEAD TO

4. INJECTION WELL BORE AND CASING TO BE AS SHOWN, DEVELOP WELL AS REQUIRED TO

OF PIPE. SAMPLING TAP TO BE A 3/4" WELDOLET, 3/4" THREADED PIPE, BRASS BALL VALVE AND CAP.

3. PROVIDE SAMPLING TAPS ON PIPES WHERE SHOWN. TAPS TO BE LOCATED ON BOTTOM THIRD

PAD EXTENSION WITH #4 REBAR ON 12" CENTERS IN BOTH DIRECTIONS.

AND VALVES AS SHOWN. CENTER THE CONCRETE PAD EXTENSION ON PIPE. REINFORCE CONCRETE PAD AND

2. PROVIDE 8' x 8' CONCRETE WELL PAD UNDER WELL HEAD WITH 4' WIDE PAD EXTENSION UNDER THE PIPING

CONTRACTOR SHALL DESIGN THE WELL HEAD TO SUPPORT THE VERTICAL TURBINE PUMP AS SHOWN.

1. CONTRACTOR SHALL DEVELOP THE EXTRACTION WELL TO PRODUCE A MINIMUM OF 1500 GPM.

NOTES:

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®of Engineers

US Army Corps

U .S

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WELL (IWA)

INJECTION

P-IWA-1

PUMP

BACKFLUSH

FE-IWA-1

FLOW METER

MAGNETIC

480V

1-1

RVS-IWA-1

IWA-1

(480 VOLT, 3ɸ)

MCC IWA

CONTROL PANEL CP IW

A A

P P

P-EW-1

WELL PUMP

EXTRACTION

WELL (EW-1)

EXTRACTION

P P

120V

WELL (IWB)

INJECTION

P-IWB-1

PUMP

BACKFLUSH

FE-IWB-1

FLOW METER

MAGNETIC

IWB-1

A A

120V

480V

1-1

RVS-IWB-1

(480 VOLT, 3ɸ)

MCC IWB

A A

M 120V

480V

EW-1

VFD-EW-1

(480 VOLT, 3ɸ)

MCC EW

E E

FE-EW-1

FLOW METER

MAGNETIC

EW-1

120V

A A

INJECTION WELL SITE

EXTRACTION WELL SITE

PIT

EW-1

A A

AVRV

SEAL

CABLE PRESSURE

PUMP POWER

LIT

IWA-1

A A

SEAL

CABLE PRESSURE

PUMP POWER P

LIT

IWB-1

A A

MV-IWA-1

MV-IWA-2

120V

MV-IWB-1

MV-IWB-2

AVRV

120V

PIT

IWA-1

A A

PIT

IWB-1

A A

LIT

EW-1

A A

PLC IW

CONTROL PANEL CP EW

PLC EW

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C H

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TRANSDUCER

LEVEL

SUBMERSIBLE

TRANSDUCER

LEVEL

SUBMERSIBLE

TRANSDUCER

LEVEL

SUBMERSIBLE

LEVEL TUBE

1-1/4" SST

LEVEL TUBE

1-1/4" SST

LEVEL TUBE

1-1/4" SST

A A

P P

OPERATION OF SYSTEM

CONNECTION FOR REMOTE

CELLULAR NETWORK

OPERATION OF SYSTEM

CONNECTION FOR REMOTE

CELLULAR NETWORK

12" IW 12" IW

W F

8" IW

6" WF

8" IW

6" WF

8" WF

CELLULAR

EETHERNET

AANALOG

SIGNAL TYPE

BACKFLUSHWF

INJECTION WATERIW

FLOWSTREAM

INJECTION WELL BIWB

INJECTION WELL AIWA

EXTRACTION WELLEW

FACILITY OIT EWOIT IW

120V

MV-IWA-3

A A

MV-IWB-3

120V

A A

E E

AND MV-"X"-2 SHALL BE CLOSED DURING BY-PASS OPERATIONS.

ENTERING THE INJECTION WELLS. MOTOR-OPERATED VALVE MV-“X”-3 SHALL BE OPEN AND VALVES MV-“X”-1

EXTRACTION WELL PUMP P-EW-1 FLOWS CAN BE DISCHARGED INTO THE WASTE DISCHARGE SYSTEM WITHOUT

BY-PASS OPERATION

PROVIDE ADJUSTABLE TIME DELAYS BETWEEN MODES OF OPERATION TO ALLOW WATER LEVELS TO RECOVER.

THE SYSTEM PROGRAMMING SHALL OPERATIONAL EXPERIENCE. MONITOR AND RECORD PUMP RUN TIME.

CAN BE USED AS A MORE EFFECTIVE BACKFLUSH PROCEDURE IF FOUND TO BE NECESSARY WITH

REVERSAL IN THE WELL WILL TEND TO LOOSEN DEBRIS AND REVERSE CLOGGING. SUCCESSIVE START/STOPS

PUMP P-“X”-1 FOR THE INJECTION WELL SHALL START AND COME TO FULL SPEED. THE SUDDEN FLOW

OPEN AND VALVES MV-“X”-1 AND MV-"X"-3 SHALL BE CLOSED DURING BACK-FLUSH OPERATIONS. SUBMERSIBLE

PUMP P-EW-1 BY SPEED REDUCTION USING THE PUMP'S VFD. MOTOR-OPERATED VALVE MV-“X”-2 SHALL BE

THE OTHER INJECTION WELL CAN REMAIN IN OPERATION WITH REDUCED FLOW FROM THE EXTRACTION WELL

WITHIN THE AQUIFER AROUND THE SCREEN.) ONLY ONE INJECTION WELL SHALL BE BACK-FLUSHED AT A TIME.

WELL SCREEN AND FORMATION CAUSED BY UNIDIRECTIONAL FLOW PATTERNS AND PARTICLE MOVEMENTS

WELL OPERATIONS. (BACK-FLUSHING REVERSES THE FLOW DIRECTION TO REVERSE CLOGGING WITHIN THE

SCREEN. PERIODIC BACK-FLUSHING OF EACH INJECTION WELL WILL BE REQUIRED TO MAINTAIN INJECTION

AQUIFER OVER TIME DUE TO UNIDIRECTIONAL FLOW THROUGH THE SCREEN AND FORMATION AROUND THE

INJECTION WELLS TEND TO EXPERIENCE REDUCED CAPACITY TO RECEIVE AND TRANSMIT WATER INTO THE

INJECTION WELL BACKFLUSH OPERATIONS

WELL FLUSH PUMP 75 HP REDUCED-VOLTAGE STARTER, 480V/3ɸ/60Hz, DISCRETE START/STOP CONNECTION TO PLCRVS-IWB-1

WELL FLUSH PUMP 75 HP REDUCED-VOLTAGE STARTER, 480V/3ɸ/60Hz, DISCRETE START/STOP CONNECTION TO PLCRVS-IWA-1

EXTRACTION PUMP 125 HP INVERTER-DUTY MOTOR, 6-PULSE VFD, 480V/3ɸ/60Hz, ETHERNET CONNECTION TO PLCVFD-EW-1

6" MOTOR-OPERATED BUTTERFLY VALVE, 120V, DISCRETE OPEN/CLOSE, POSITION LIMIT SWITCHESMV-IWB-3

6" MOTOR-OPERATED BUTTERFLY VALVE, 120V, DISCRETE OPEN/CLOSE, POSITION LIMIT SWITCHESMV-IWB-2

8" MOTOR-OPERATED BUTTERFLY VALVE, 120V, SERVO CONTROL, CLOSED TO OPEN MODULATIONMV-IWB-1

6" MOTOR-OPERATED BUTTERFLY VALVE, 120V, DISCRETE OPEN/CLOSE, POSITION LIMIT SWITCHESMV-IWA-3

6" MOTOR-OPERATED BUTTERFLY VALVE, 120V, DISCRETE OPEN/CLOSE, POSITION LIMIT SWITCHESMV-IWA-2

8" MOTOR-OPERATED BUTTERFLY VALVE, 120V, SERVO CONTROL, CLOSED TO OPEN MODULATIONMV-IWA-1

SUBMERSIBLE LEVEL TRANSDUCER, 0-100 PSIG, 4020 MA, LOCAL DISPLAY, O-Z/GEDNEY CABLE PRESSURE SEALLIT-IWB-1

SUBMERSIBLE LEVEL TRANSDUCER, 0-100 PSIG, 4020 MA, LOCAL DISPLAY, O-Z/GEDNEY CABLE PRESSURE SEALLIT-IWA-1

SUBMERSIBLE LEVEL TRANSDUCER, 0-100 PSIG, 4020 MA, LOCAL DISPLAY, O-Z/GEDNEY CABLE PRESSURE SEALLIT-EW-1

PRESSURE INDICATING TRANSMITTER, 0 -150 PSIG, 4-20 MA, LOCAL DISPLAY, DIAPHRAGM SEALPIT-IWB-1

PRESSURE INDICATING TRANSMITTER, 0 -150 PSIG, 4-20 MA, LOCAL DISPLAY, DIAPHRAGM SEALPIT-IWA-1

PRESSURE INDICATING TRANSMITTER, 0 -150 PSIG, 4-20 MA, LOCAL DISPLAY, DIAPHRAGM SEALPIT-EW-1

8" MAGNETIC FLOWMETER, 0 - 1,600 GPM, 4-20 MA, LOCAL DISPLAY, GROUNDING RINGS, 120VFE-IWB-1

8" MAGNETIC FLOWMETER, 0 - 1,600 GPM, 4-20 MA, LOCAL DISPLAY, GROUNDING RINGS, 120 VFE-IWA-1

12" MAGNETIC FLOWMETER, 0 - 1,600 GPM, 4-20 MA, LOCAL DISPLAY, GROUNDING RINGS, 120VFE-EW-1

OPERATOR INTERFACE TERMINAL, GRAPHIC TOUCH SCREEN PLC INTERFACE, MOUNTED ON FACE OF DOOR OF CPIWOIT-IW

OPERATOR INTERFACE TERMINAL, GRAPHIC TOUCH SCREEN PLC INTERFACE, MOUNTED ON FACE OF DOOR OF CP-EWOIT-EW

NEMA 3R ENC. HOUSES PLC, RELAYS, TERMINAL BLOCKS, SURGE PROTECTION & APPURTENANCESCP-IW

NEMA 3R ENC. HOUSES PLC, RELAYS, TERMINAL BLOCKS, SURGE PROTECTION & APPURTENANCESCP-EW

PROGRAMMABLE LOGIC CONTROLER, SIZE FOR I/O, WITH CELLULAR REMOTE INTERFACE, PROVIDE UPS & APPURTENANCESPLC-ZW-1

PROGRAMMABLE LOGIC CONTROLER, SIZE FOR I/O, WITH CELLULAR REMOTE INTERFACE, PROVIDE UPS & APPURTENANCESPLC-EW-1

DEVICE/INSTRUMENT REQUIREMENTS

MOTOR CONTROL CENTERMCC

OPERATOR INTERFACE TERMINALOIT

CONTROL PANELCP

PROGRAMMABLE LOGIC CONTROLLERPLC

MOTOR OPERATED VALVEMV

AIR & VACUUM RELIEF VALVEAVRV

PUMPP

VARIABLE FREQUENCY DRIVEVFD

PRESSURE INDICATING TRANSMITTERPIT

LEVEL INDICATING TRANSMITTERLIT

FLOW INDICATING TRANSMITTERFIT

FLOW ELEMENT (MAGMETER)FE

COMPONENTS

LEGEND

*D R

A G

E D

C H

STRUCTURE

AIR GAP

BLOW-OFF

*WELL FLUSH

BACKFLUSH SYSTEM WILL BE MARKED BY AN ASTERISK(*) ON THIS DRAWING.

THE BID OPTION IS AWARDED. ALL EQUIPMENT ASSOCIATED WITH THE INJECTION WELL

1. ITEMS ASSOCIATED WITH THE INJECTION WELL BACKFLUSH SYSTEM ARE ONLY REQUIRED IF

NOTES

WELL EW-1 OF 800 GPM VIA CONTROL OF P-EW-1 BY PUMP SPEED CONTROL USING VFD-EW-1.)

RESPECTIVE WELL SHALL BE LIMITED TO 400 GPM, FOR A TOTAL FLOWRATE FROM EXTRACTION

CASING FLANGE BY ~ 4 FT =1.7 PSI.) UNTIL THAT OCCURS THE FLOWRATE INTO EACH

AS INDICATED LIT-IWA-1 AND LIT-IWB-1 EXCEEDS THE TOP LEVEL OF EACH RESPECTIVE WELL

THE WELL CASING TO PURGE ALL AIR FROM THE CASING AND INJECTION PIPING AND THE LEVEL

OF ~750 GPM. (HIGHER FLOW RATES SHOULD NOT BE USED UNLESS THE WATER LEVEL RISES IN

WELL CASINGS SHALL BE LIMITED TO < 1 FT/SEC, CORRESPONDING TO THE DESIGN FLOWRATE

THROUGH THE AVRV'S ON THE PIPING SYSTEM. THE VELOCITY IN EACH OF THE 18” INJECTION

START UP OF THE SYSTEM REQUIRES THAT AIR BE PURGED FROM THE PIPELINE AND RELEASED

OPERATIONS.

POSITION AND VALVES MV-“X”-2 AND MV-"X"-3 SHALL BE CLOSED DURING RECHARGE

THE REMOTE SYSTEM PROVIDER. MOTOR-OPERATED VALVE MV-“X”-1 SHALL BE OPEN/SERVO

PERIODICALLY AND REPORTS TO THE REMOTE DATA BASE VIA CELLULAR LINK FROM CP “X” TO

RESPECTIVELY, WHERE X= EW, IWA, IWB OR IW AS APPLICABLE. PLC “X” MONITORS THE VALUES

PRESSURE, AND WELL WATER LEVEL FROM EW-1 ARE MEASURED BY FE-“X”-1, FIT-“X”-1 & LIT-“X”-1

PIPELINES, ONE TO EACH OF THE INJECTION WELLS IW-A AND IW-B. THE FLOW, DISCHARGE

TO THE INJECTION WELL SITE WHERE THE 12” PIPING SPLITS INTO TWO 8” EQUAL LENGTH

GPM FROM EXTRACTION WELL EW-1 BY PUMP P-EW-1; CONVEYANCE THROUGH THE 12” PIPELINE

STEADY-STATE OPERATION OF THE SYSTEM CONSISTS OF EXTRACTION OF APPROXIMATELY 1,500

SYSTEM EXTRACTION & INJECTION OPERATIONS

DS: AEC_Screen.dscriptPD: AEC_pdf.pltcfg9:45:14 AM 8/30/2019 pw://COE-MVKPWP01VIC.mvk.ds.usace.army.mil:CEMVK01/Documents/Civil Works/08 - Yazoo River Basin/08 - Tallahatchie River Projects/USDA ARS Groundwater Transfer and Injection Pilot Study/30000 - Planning & Engineering & Design/30AA0 - Engineering & Design/C

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