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CUI

ATTENTION

Use this space to indicate categories, limited dissemination controls, special instructions, points of contact, etc., if needed.

ATTENTION

All individuals handling this information are required to protect it from unauthorized disclosure.

Handling, storage, reproduction, and disposition of the attached document(s) must be in accordance with 32 CFR Part 2002 and applicable agency policy.

Access to and dissemination of Controlled Unclassified Information shall be allowed as necessary and permissible to any individual(s), organization(s), or grouping(s) of users, provided such access or dissemination is consistent with or in furtherance of a Lawful Government Purpose and in a manner consistent with applicable law, regulations, and Government-wide policies.

Standard Form 901 (11-18) Prescribed by GSA/ISOO | 32 CFR 2002

FOR R

EFERENCE O

NLY

Q9-79/113.2

Q9-79/145.2

Q9-79/621.3

Q9-79/629.3

Q9-79/631.3

Q9-79/646.4

Q9-79/648

Q9-79/773.4

Fillable_field:

Controlled by: USACE-LRD-LRN-ECD-M CUI Category(ies): PHYSEC Distribution Statement: FEDCON POC: Keith E. Ward

Plans For

Barkley Powerhouse

Cumberland River

Lyon County

Nashville District of Engineers

US Army Corps

W912P5-25-Q-A035

July 2025

Certified Final Documents - RTA

TITLEFILE NAMEDWG. NO.

HVAC - A/C Unit #3 - Fan Room PlanQ9-M-104.dgnQ9-M-104

HVAC - A/C Unit #3 - Condenser Rack DetailsQ9-M-103.dgnQ9-M-103

HVAC - A/C Unit #3 - Piping SchematicQ9-M-102.dgnQ9-M-102

HVAC - A/C Unit #3 - Fan Room DetailsQ9-M-101.dgnQ9-M-101

Barkley Dam, Lock, & Powerhouse

General Information - Vicinity and Site Map - Q9-G-001.dgnQ9-G-001

DRAWING INDEX

FOR INFORMATION ONLY

Board No. 3

Electrical - Connection Diagram - Sheet 10 - 480 Volt Equipment Q9-79/773.4

Metal Details

Heating, Ventilation, and Air Conditioning - Hangers, Heaters, and Sheet Q9-79/648 and Details

Heating, Ventilation, and Air Conditioning - Fan and Control SchedulesQ9-79/646.4

- Sections Sheet 2

Heating, Ventilation, and Air Conditioning - Service Bay at EL. 347.0Q9-79/631.3

- Plan

Heating, Ventilation, and Air Conditioning - Service Bay at EL. 347.0Q9-79/629.3 at EL. 381.0, 366.0, & 347.0

Heating, Ventilation, and Air Conditioning - Equipment ArrangementQ9-79/621.3

Architectural - Reflected Celing PlansQ9-79/145.2

Service By Floor Plan - EL. 347.0Q9-79/113.2

TITLEDWG. NO.

HVAC - A/C Unit #3 Rep.

Kuttawa, Kentucky

Submitted:

Aidan M. Lovelace

(2.) The approval signatures appearing in the signature block on this sheet constitute approval of all drawings listed in the sheet index.

of individuals appear on these project documents within the scope of their employment as required by ER 1110-1-8152.

(1.) This project was designed by the Nashville District of the U.S. Army Corps of Engineers. The initials or signatures and registration designations

Note:

Steven J. Duncan, P.E.

Chief, Mechanical Section

Approved:

Zachary A. Langel, P.E.

Chief, Design Branch

Project Engineer

Approval Recommended:

2025-07-09T07:36:36-0500

LOVELACE.AIDAN.MICHAEL.1634052816

2025-07-09T11:40:38-0500

DUNCAN.STEVEN.JAMES.1541095876

2025-07-10T08:58:18-0500

LANGEL.ZACHARY.A.1381404567

D E

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SHEET ID

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CERTIFIED FINAL DOCUMENTS - RTA

-3

G-001

Q9

I

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-G

-0

.d g n

13121110987654321

A SHEET ID

®of Engineers

IG

Z

BARKLEY POWERHOUSE

AND SPILLWAY

BARKLEY DAM

(OFFICE)

OF ENGINEERS

U.S. ARMY CORP

CUMBERLAND RIVER

C LOCKL

BARKLEY D

AM P

OWERHOUSE R

OAD

BARKLEY POWERHOUSE

LYON COUNTY, KY (37.02147, -88.22115)B7

BARKLEY DAM, POWERHOUSE, & LOCK - VICINITY MAP

BARKLEY LOCK - LIVINGSTON COUNTY, KY (37.01939, -88.22508)

BARKLEY POWERHOUSE - LYON COUNTY, KY (37.02147, -88.22115)

BARKLEY DAM - LYON COUNTY, KY (37.02215, -88.22108)B1

HIGHWAY 62

R P

LAKE BARKLEY

GENERAL SHEET NOTES

DEBRIS AND EQUIPMENT.

CONTRACTOR SHALL KEEP ALL ACCESS ROADS AND ENTERANCES FREE OF 3.

CONTRACT IS AWARDED.

THE CONTRACTING OFFICER'S REPRESENTATIVE (COR) AFTER THE

IF A LAYDOWN AREA IS NEEDED, THE LOCATION WILL BE COORDINATED WITH 2.

THE EXISTING SITE CONDITIONS.

ON MARCH 2024, USING GOOGLE EARTH SOFTWARE. IMAGES MAY NOT SHOW

POWERHOUSE, AND BARKLEY LOCK WERE IMPORTED INTO MICROSTATION,

IMAGES AND LOCATION REFERENCES FOR BARKLEY DAM, BARKLEY 1.

HIGHWAY 62

SHEET KEYNOTES

BUILDING.

BARKLEY GARAGE ENTERANCE TO MOVE MATERIALS AND SUPPLIES INTO THE

CONTRACTOR WILL USE BARKLEY POWERHOUSE GARAGE ENTERANCE: 2.

AND RE-ENTRY NOTIFICATION(S).

ENTERANCE INTO SECURED ACCESS GATES WILL REQUIRE DAILY ARRIVAL

ACCESS GATE(S) WILL BE SECURED AT ALL TIMES. SECURTY ACCESS GATE: 1.

ROAD

FLOW

PRINCETONKUTTAWA

HOPKINSVILLE

CANTON

CADIZ

CLARKSVILLE

KENTUCKY

TENNESSEE

LOCK AND DAM

CHEATHAM

DOVER

PARIS

MAYFIELD

MURRAY

PADUCAH

. 7

BENTON

U.S. 79

I.C.

U.S. 68

I.C .24

KY 80

L&N

. 6

U.S. 62

I.C.

BARKLEY

PROJECT

RIVERS

GRAND

U.S . 62

EDDYVILLE

TENNESSEE

KENTUCKY

NN

VICINITY MAP

LIVINGSTON & LYON COUNTY, KYG7

1010 5

MILES

LYON COUNTY

COUNTY

LIVINGSTON

LYON COUNTY

lo t im e a te il m

:0

:4

/8

/2 c u s rs

\h x fj

\p w

\c lr

\d

\Q

-G

-0

M-101

/C

-M -1

:3

:2 e c

FURTHER DETAILS.

BE CONNECTED TO THE POWER JUNCTION BOX. SEE SPECIFICATIONS FOR

POWER JUNCTION BOX. BOTH THE AIR HANDLER AND CONDENSING UNIT WILL 7.

FOR FURTHER DETAILS.

THROUGH THE JUNCTION BOX ALONG THE BACK WALL. SEE SPECIFICATIONS

ALONG THE CELING AND/OR WALL. POWER WIRING WILL BE CONNECTED

AIR HANDLER POWER WIRING. THE AIR HANDLER POWER WIRING WILL RUN 6.

FLOOR DRAIN.

BOTTOM OF THE CONDENSER UNIT, AND DISCHARGING INTO THE ANGLED

FROM THE DRAIN PAN, DOWN THE SIDE OF THE CONDENSER UNIT, ALONG THE

A DRAIN PIPE WILL BE INSTALLED, LEADING AIR HANDLER DRAINAGE PIPE. 5.

HANDLER AND CONDENSING UNIT (TYP).

REFRIGERANT LIQUID AND SUCTION PIPING LEADING TO/FROM BOTH THE AIR 4.

UNIT (TYP.).

REFRIGERANT PIPING LEADING TO/FROM HEAT EXCHANGERS TO CONDENSING 3.

CANAL.

DRAINAGE PIPE RUNNING ALONG FLOOR AND INTO THE ANGLED FLOOR

NEW EQUIPMENT RACK WILL BE INSTALLED CLOSE TO THE WALL WITH WATER 2.

WALK UNDER ACCESS.

NEW 2" DIA. PIPING WILL BE PLACED AT LEAST 6' - 0" FROM THE GROUND FOR

DIA. PIPE WILL LEADING FROM TEE JUNCTION TO THE NEW EQUIPMENT RACK.

NEW TEE JUNCTION WILL BE INSTALLED INTO EXISTING 2" PIPING. A NEW 2" 1.

LEGEND

CONTRACTOR WILL ENSURE CONUIT IS INSTALLED ALONG THE CELING.10.

DIMENSIONS AND MEASURMENTS.

APPROXIMATE. CONTRACTOR MUST FEILD VERIFY THE ACCURACY OF ALL

REFERENCE DRAWINGS. AS SUCH, THEY ARE TO BE CONSIDERED TO BE

DUCT DIMENSIONS WERE TAKEN FROM ON SITE FIELD MEASURMENTS AND 9.

CEILING.

CONTRACTOR WILL AVOID DRILLING THROUGH ANY REBAR LOCATED IN THE 8.

MANUFACTURERS REQUIREMENTS/RECOMMENDATIONS.

ALL DUCT AND CELING MOUNTED HVAC EQUIPMENT WILL BE INSTALLED PER 7.

THE EXISTING BREAKER.

ONTRACTOR IS RESPONSIBLE FOR REPLACING ALL POWER FEEDERS FROM C6.

HEATER IS CONNECTED TO THE NEW THERMOSTAT.

FOLLOWING INSTALLATION, CONTRACTOR MUST ENSURE THE EXISTING DUCT 5.

OPERATIONAL.

FOR RECONNECTING THE WIRING SO THAT ALL EQUIPMENT IS FULLY

ANY WIRING IS DISCONNECTED, THE CONTRACTOR WILL BE RESPONSIBLE

HEATER TO ACCOMIDATE THE SPACE NEEDED FOR THE NEW AIR HANDELER. IF

DURING INSTALLATION, THE CONTRACTOR CAN MOVE THE EXISTING DUCT 4.

HANDLER.

A CEILING MOUNTED DRAIN PAN, TO BE PLACED DIRECTLY UNDER THE AIR

CONTRACTOR IS RESPONSIBLE FOR THE FABRICATION AND INSTALLATION OF 3.

DRAIN PIPE, LEADING TO ANGLED FLOOR DRAIN.

UNIT. CONTRACTOR WILL ALSO INSTALL A CELING MOUNTED DRIP PAN AND

OF A CEILING MOUNTED AIR HANDLER AND FLOOR MOUNTED CONDENSING

THE NEW AIR CONDITIONING UNIT WILL BE A SPLIT SYSTEM UNIT, CONSISTING 2.

INSTALLATION.

EQUIPMENT FOR REGULAR MAINTENANCE ACTIVITIES FOLLOWING

WILL ENSURE THERE IS SUFFICIENT SPACE AROUND EACH PIECE OF

PRIOR TO INSTALLATION OF THE NEW AIR CONDITIONING UNIT, CONTRACTOR 1.

STRAINER

BALL VALVE

WATER FLOW

REDUCER

HVAC UNIT # 3 - FAN ROOM DETAILS

1" = 1'-0"D1

FLOOR DRAIN TO FLOOR DRAIN

APPROXIMATE 4" X 4" FLOOR CANAL ANGLED

W/ 1" INSULATION

EXISTING �2" PIPE

DIRECTION

(TYP.)

NEW �3" PIPE

SHUTOFF VALVE

EXISTING COOLING WATER

HALLWAY

1'-11" 6'-4"

PIPE REDUCER

3"�2" TO �NEW

W/ 1" INSULATION

EXISTING �2" PIPE

FLOOR MOUNTED

CONDENSING UNIT

2'-2"

(OVERHEAD)

AS NEEDED,

DUCT MODIFY

23" x 14" RETURN

BOX

ELECTRICAL JUNCTION

(SEE NOTE 7)

AIR HANDLER DRAINAGE PIPE

(OVERHEAD)

MODIFY AS NEEDED,

26" x 14" SUPPLY DUCT

INSTALL.

AIR HANDLER

AS NEEDED FOR

HEATER, MOVE

EXISTING DUCT

"64

1'-0"

"64 172'-7

AIR HANDLER - SIDE VIEW

1" = 1'-0"A9

CONNECTION

SUPPLY AIR

(TYP)

CONNECTION

RETURN AIR

3'-10"(TYP)

ACCESS PANEL

COMPRESSOR

CONDENSING UNIT - FRONT VIEW

1" = 1'-0"A1

AIR FAN COVERS

D1

Q9-M-103

D1

"(TYP)16

32'-4

IR

LO

EXISTING DUCT

OF EXISTING DUCT

APPROXIMATE END

AIR FLOW

IR

CEILING MOUNTED

AIR HANDLER

LOCATION

ALTERNATE DRAIN

M-102

:3

:1 e c

F.D.: FLOOR DRAIN3.

HX-6: HEAT EXCHANGER2.

HX-5: HEAT EXCHANGER1.

PORT IS HORIZONTAL TO FLOOR.

TEES ON EITHER SIDE OF CONDENSERS SHALL BE INSTALLED SO THAT THE CAPPED 4.

FACILITATE CLEANING OF THE UNITS PER MANUFACTURER RECOMMENDATION.

PROVIDE A CAPPED PIPE CONNECTION ON BOTH SIDES OF THE CONDENSER TO 3.

THEY OPEN WHEN THE CORRESPONDING COIL IS ACTIVATED.

CONTROL ACTUATORS TO BE WIRED TO AIR HANDLER CONTROL BOARD SO THAT 2.

.FUNCTIONING

INDIVIDUAL PIECE CAN BE ISOLATED WHILE LEAVING THE REST OF THE SYSTEM

EACH STRAINER AND CONDENSER SHALL BE PLUMBED IN A MANNER SO THAT EACH 1.

2" TO 3" PIPE REDUCER

CONTROL VALVE

HEAT EXCHANGE (CONDENSER)

CAPPED TEE

EXISTING 2" PVC

NEW 3" STAINLESS STEEL PIPE

EXISTING SHUT OFF VALVE

NEW 2" TO 3" DIA. PIPE REDUCER

DIRECTION (TYP.)

EXISTING FLOOR DRAIN

F.D.

HVAC - A/C UNIT #3 - PIPING SCHEMATIC

SCALE: N.T.S.A2

NORMALLY OPEN NORMALLY OPEN

NORMALLY OPEN NORMALLY OPEN

M-103

:1 e c

EQUIPMENT RACK AND ADDITIONAL DETAILS.

SEE SPECIFICATION SECTION 05 50 13 FOR WELDING REQUIREMENTS FOR THE 2.

SECTION 05 50 13 FOR CONCRETE ANCHOR REQUIREMENTS.

SEE SPECIFICATION SCREWS ARE REQUIRED FOR EQUIPMENT RACK INSTALLATION.

4 (FOUR) ANCHOR SHALL BE INSTALLED PER MANUFACTURERS RECOMMENDATIONS.

MOUNTING SUPPORTS AND BOLT PATTERN HEAT EXCHANGERAND BALL VALVES.

HEAT EXCHANGER(S). UPPER SECTION IS TO BE USED FOR MOUNTING STRAINERS

AND STRAPS ACCORDINGLY TO PROVIDE A SECURE MOUNTING LOCATION FOR THE

EQUIPMENT RACK LAYOUT IS SHOWN FOR REFERENCE ONLY. ADJUST SUPPORTS 1.

CAPPED TEE

9"

6"

"211'-

(TYP.)

CONDENSING UNIT

TO BE FACING THE

REFRIGERANT PORTS

UNIT (TYP.)

FROM THE CONDENSING

TO BE FACING AWAY

COOLING WATER PORTS

SEE NOTE 1

VERTICAL SUPPORTS

SEE NOTE 2 & 3

RETAINING SUPPORTS

SEE SPECIFICATIONS

CONCRETE ANCHORS (TYP.)

HEAT EXCHANGER(S) - SECTION VIEW

SCALE: 6" = 1' - 0"A1

CONDENSER RACK - PLAN VIEW

SCALE: 6" = 1' - 0"A7

EQUIPMENT RACK LAYOUT

SCALE: 1 1/2" = 1' - 0"E1

MATERIAL: SEE NOTE 1 AND SPECS.3.

MAKE: 12.

MARK 11.

NOTES:

EQUIPMENT RACK - PIPING LAYOUT

SCALE: 1 1/2" = 1' - 0"E7

PIPING SCHEMATIC - DWG #: Q9-M-1022.

SEE SCHEMATIC LAYOUT & LEGEND FOR FURTHER DETAILS1.

NOTES:

A7

E1

E1

HX-6

HX-5

M-104

:0 e c

(BTU / HR)

MAX COOLING

ACCESSORIES QTY.

120,000

FLOOR MOUNTED CONDENSING UNIT)

CEILING SUSPENDED AIR HANDLER &

SPLIT COOLING SYSTEM (INCLUDING 5,000

FLOW(CFM)

SUPPLY AIR

(V-PH-HZ)

POWER

SENSING

THERMOSTAT WITH HUMIDITY

ID TYPE (BTU/H)

MAX COOLING

TYPE

MOUNTING

QTY.

60,000BRAZED PLATE HEAT EXCHANGER

(GPM)

FLOW RATE

WATER

STUDS

BACK

TYPE

FLOW

CURRENT

COUNTER

(DEGREE F)

INLET TEMP

COOLING WATER

OUTLET TEMP

COOLING WATER

INLET TEMP

REFRIGERANT

165 120

OUTLET TEMP

(INLET/OUTLET)

PIPE SIZE

COOLING

(INLET/OUTLET)

PIPE SIZE

2" / 2" 1-1/8" / 5/8"40

SPLIT COOLING SYSTEM (AIR HANDLER & CONDENSING UNIT)

HEAT EXCHANGER

REMARKS

1, 2, 3, 4, 5, 6, 8

1, 6, 7, 9

STAGES

COOLING

THAN 2

NO FEWER

CIRCUIT (V)

CONTROL

24460-3-60

MARK TYPE MISCELLANEOUS QTY.

PLUMBING ITEMS

OPEN AREA

MINIMUM 20 GAGE MESH STAINLESS STEEL SCREEN WITH 49%

2" PIPE CONNECTION, Y-STRAINER, THREADED CONNECTIONS,

STEEL HANDLES

NACE MR0175 COMPLIANT, STANDARD LOCKING STAINLESS

2" PIPE CONNECTION, W.O.G. 2160 PSI @ 100 DEGREE F,

ST

CV

BV

1, 3, 9

STAINLESS STEEL VALVE CONSTRUCTION

DESIGN, SPRING-RETURN CLOSED, MANUAL HAND CRANK,

ELECTRIC ACTUATOR WITH 24VDC, MAINTENANCE- FREE

2" PIPE CONNECTION, 400 PSI STATIC PRESSURE RATING,

SEE SPECIFICATIONS FOR ADDITIONAL EQUIPMENT AND REQUIREMENTS.9.

DETAILS).

REQUIREMENTS ON START-UP AND SERVICE INSTRUCTIONS FOR ADDITIONAL

CONTROL SIGNAL IS 24VDC (SEE MANUFACTURERS INSTALLATION

BOARD TO OPEN FOR COOLING. OTHERWISE, CV'S ARE TO REMAIN CLOSED.

CONTROL VALVE (CV) TO RECEIVE SIGNAL FROM AIR HANDLER CONTROL 8.

INCHES BETWEEN ALL EQUIPMENT AND DOORS.

FOLLOWING INSTALLATION, THERE MUST BE A MINIMUM CLEARANCE OF 3 7.

OF THE HEAT EXCHANGERS TO FACILITATE EASY DRAINING AND CLEANING .

THREADED CAPPED TEE CONNECTIONS WILL BE INSTALLED ON BOTH SIDES 6.

TOOLS OR MATERIALS.

DONE IN A MANNER TO MINIMIZE POTENTIAL FOR DAMAGE FROM FALLING

ROUTING OF REFRIGERANT LINES FROM AC UNIT TO CONDENSER SHALL BE 5.

RECOMMENDATIONS

BARRIER SHALL BE REPAIRED, AS PER MANUFACTURERS REQUIREMENTS AND

REQUIREMENTS AND RECOMMENDATIONS. ANY DAMAGE TO THE VAPOR

LEAST 2 INCHES OF FIBERGLASS INSULATION OR PER MANUFACTURERS

ANY NEW DUCTWORK MUST CONTAIN A CONTINUOUS VAPOR BARRIER OF AT

WILL BE MODIFIED, AS REQUIRED, FOR INSTALLATION OF NEW AC UNIT NO. 3.

EXISTING DUCTWORK, FOR BOTH THE SUPPLY AND RETURN CONNECTIONS, 4.

AND RECOMMENDATIONS.

BE INSTALLED AS PER BEST PRACTICES OR MANUFACTURER REQUIREMENTS

SHOWN DESIGN ON DRAWING Q9-M-101. LOCATION AND INSTALLATION MUST

POSITION OF ONE COMPLETE SYSTEM SHOULD BE COMPARABLE TO THE AS 3.

EXCHANGE AND EQUIPMENT RACK ASSEMBLY DETAIL SEE DWG Q9-M-103.

FOR THE ONE COMPLETE SYSTEM ARE FOUND ON DWG Q9-M-101. FOR HEAT

QUANTITIES SHOWN ARE FOR ONE COMPLETE SYSTEM. ASSEMBLY DETAILS 2.

ASSEMBLY.

AC UNIT NO. 3 AND ALL ASSOCIATED EQUIPMENT WILL BE CONSIDERED ONE 1.

ID

AC-3

TYPE CIRCUITS

General

Q9-G-001

Mechanical

Q9-M-101

Q9-M-102

Q9-M-103

Q9-M-104