CONTRACT DRAWINGS.pdf

PDF 967 KB Posted Jun 22, 2020

Attached to: Barkley Heating, Ventilating and Air Conditioning (HVAC) Replacement Federal contract opportunity
Solicitation number: W912P520Q0012
Issued by: Department of the Army Corps of Engineers Engineering District Nashville

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Foreign_National_Site_Visit_Request_Form.pdf	PDF	Jun 22, 2020
W912P520Q0012 BAP Control Room HVAC Replacement.pdf	PDF	Jun 22, 2020
Cover Sheet.pdf	PDF	Jun 22, 2020
Site_Visit_Request_Form.pdf	PDF	Jun 22, 2020

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"64

3'-5

"16

3'-7

"64

2'-6

®of Engineers

US Army Corps of Engineers

US Army Corps

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E-BOARD

PENETRATION FOR AC-2

SUPPLY DUCT FLOOR

IN VERTICAL DUCT RUN

EXISTING DUCT HEATER

LOCK SIDE

O F F

D O

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A M

HVAC ROOM DETAIL

LAND SIDE

OFFICE

U P

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A M

NOT TO BE DISTURBED

EXISTING DUCT HEATER,

LOCATION

SHUTOFF VALVE

COOLING WATER

EXISTING

SEE NOTE 3

PENETRATION FOR AC-2,

RETURN DUCT FLOOR

SCREWS ARE REQUIRED PER EQUIPMENT RACK.

SEE SPECIFICATION SECTION 05 50 13 FOR CONCRETE ANCHOR REQUIREMENTS. 4 ANCHOR

SHALL BE PER MANUFACTURERS RECOMMENDATIONS FOR MOUNTING THE HEAT EXCHANGER.

PLUMBING SCHEMATIC ON DRAWING Q9-M-03. MOUNTING SUPPORTS AND BOLT PATTERN

UPPER SECTION IS TO BE USED FOR MOUNTING STRAINERS AND BALL VALVES PER

ACCORDINGLY TO PROVIDE A SECURE MOUNTING LOCATION FOR THE HEAT EXCHANGER.

2. EQUIPMENT RACK LAYOUT SHOWN IS REFERENCE ONLY. ADJUST SUPPORTS AND STRAPS

AIR HANDLERS IN PLACE.

THIS SHEET ARE APPROXIMATIONS OF HOW THE FINAL LAYOUT MAY LOOK WITH THE NEW

BE OF EQUAL OR LESS FOOT PRINT OF THE EXISTING UNITS. DUCT RUNS DEPICTED ON

1. AIR HANDLER LOCATIONS SHOWN ARE APPROXIMATE. NEW AIR HANDLERS SHALL

NOTES:

6. FOR EQUIPMENT SCHEDULE SEE DWG Q9-M-04.

5. FOR PIPING DIAGRAM SEE DWG Q9-M-03.

EXISTING AC UNIT AND CONDENSERS PRIOR TO HANDING OVER TO GOVERNMENT.

4. SEE SPECIFICATIONS FOR DISCONNECTION AND PREPARATIONS FOR STORAGE OF

REQUIREMENTS. 2 ANCHORS PER SHORT SIDES AND 4 ANCHORS PER LONG SIDES.

ADDITIONAL DETAILS. SEE SPECIFICATION SECTION 05 50 13 FOR CONCRETE ANCHOR

EXISTING FLOOR OPENING FOR THE AC UNIT 2 RETURN DUCT. SEE SPECIFICATIONS FOR

3. NEW FLASHING, WITH HEIGHT OF 2" AND LEG OF 2", SHALL BE INSTALLED AROUND THE

8. SEE DWG Q9-M-05 FOR EQUIPMENT RACK DETAILS.

EQUIPMENT RACK AND ADDITIONAL DETAILS.

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

EXISTING 2"� PIPE PIPE REDUCER

NEW 2" TO 3"

NEW 3"� PIPE

FLOOR DRAIN

NOT TO SCALE

DIRECTION (TYP.)

WATER FLOW

TO EXISTING FLOOR DRAIN

NEW WATER DISCHARGE PIPE

MODIFY AS NEEDED

22" x 14" RETURN DUCT

RACK

NEW EQUIPMENT

SUPPORTED OVERHEAD

MODIFY AS NEEDED,

26" x 14" SUPPLY DUCT

MIXING BOX

NEW RETURN

NEW AC-2

TO BE REPLACED

COOLING WATER HEADER

NEW AC-1

ENTERS OVERHEAD

MODIFY AS NEEDED,

23" x 14" RETURN DUCT

MIXING BOX

NEW RETURN

RACK

NEW EQUIPMENT

EXITS OVERHEAD

MODIFY AS NEEDED,

26" x 14" SUPPLY DUCT

EXISTING FLOOR DRAIN

NEW WATER DISCHARGE PIPE TO

RTA CERTIFIED FINAL

®of Engineers

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E-BOARD

LOCK SIDE

RETURN MIXING BOX

AC-2

AC-1

PENETRATION FOR AC-2

SUPPLY DUCT FLOOR

NOT TO BE DISTURBED

EXISTING DUCT HEATER,

ENTERS OVERHEAD

RETURN DUCT,

EXISTING 23" x 14"

MIXING BOX

EXISTING RETURN

EXITS OVERHEAD

SUPPLY DUCT,

EXISTING 26" x 14"

NOT TO BE DISTURBED

IN VERTICAL DUCT RUN,

EXISTING DUCT HEATER

SUPPORTED OVERHEAD

SUPPLY DUCT,

EXISTING 26" x 14"

FLOOR PENETRATION

RETURN DUCT

EXISTING 22" x 14"

3. EXISTING POWER FEEDERS FROM THE BREAKER ARE TO BE REPLACED.

TO OPERATE IN IDENTICAL MANNER AS THEY DO NOW.

THEM TO THE NEW THERMOSTATS ONCE INSTALLED SO THAT THEY CONTINUE

2. NO WORK IS TO BE DONE ON THE EXISTING DUCT HEATERS OTHER THAN TO WIRE

APPROXIMATE. DIMENSIONS AND LOCATIONS ARE TO BE FIELD VERIFIED.

1. DUCT DIMENSION ARE TAKEN FROM REFERENCE DRAWINGS. DUCT LOCATIONS ARE

NOTES:

FAN ROOM PLAN

FLOOR DRAIN

NOT TO SCALE

of Engineers

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EXISTING 2" PVC

NEW 3" STAINLESS STEEL PIPE

NEW 2" STAINLESS STEEL PIPE

NEW 3" STAINLESS STEEL PIPE

EXISTING FLOOR DRAIN

EXISTING SHUT OFF VALVE

HX-1

HX-2HX-4

HX-3

N.O. N.O.

N.C.N.C.

N.O. N.O.

N.C. N.C.

NEW 2" TO 3" DIA. PIPE REDUCER

CAPPED TEE

HEAT EXCHANGER(CONDENSER )

CONTROL VALVE

STRAINER

BALL VALVE

LEGEND:

F.D. : FLOOR DRAIN

N.O. : NORMALLY OPEN

N.C. : NORMALLY CLOSED

F.D.

DIRECTION (TYP.)

WATER FLOW

AC 1 AC 2

NEW 3" STAINLESS STEEL.

IS TO BE REPLACED IN THE FUTURE BY OTHERS TO MATCH THE

7. THE EXISTING PIPE BEFORE THE EXISTING SHUTOFF VALVE

SO THAT THE CAPPED PORT IS HORIZONTAL TO FLOOR.

6. TEES ON EITHER SIDE OF CONDENSERS SHALL BE INSTALLED

MANUFACTURER RECOMMENDATION.

CONDENSER TO FACILITATE CLEANING OF THE UNITS PER

5. PROVIDE A CAPPED PIPE CONNECTION ON BOTH SIDES OF THE

ANY SPLASHING.

4. MODIFY EXISTING FLOOR DRAIN AS NECESSARY TO ELIMINATE

BOARD.

3. CONTROL ACTUATORS TO BE WIRED TO AIR HANDLER CONTROL

WHILE LEAVING THE REST OF THE SYSTEM FUNCTIONING.

MANNER SO THAT EACH INDIVIDUAL PIECE CAN BE ISOLATED

2. EACH STRAINER AND CONDENSER SHALL BE PLUMBED IN A

DETAILS.

1. SEE SPECIFICATIONS FOR ADDITIONAL PIPE AND EQUIPMENT

NOTES:

of Engineers

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MARK TYPE MISCELLANEOUS MANUFACTURER MODEL NO.

ID TYPE (BTU/H)

MAX COOLING

(BTU/H)

MAX HEATING

(DB)

PRESSURE

SOUND

RATING

SEER

TYPE

MOUNTING

ACCESSORIES MANUFACTURER MODEL QTY.

QTY.

72,000 81,000 12.9

PLUMBING ITEMS

UNIT, 10 TON

VERTICAL DISCHARGE AIR HANDLER FLOOR4,000

(CFM)

AIR FLOW

91.6

(V-PH-HZ)

POWER

40RUAA12A5A9-0A1A0THERMOSTAT WITH HUMIDITY SENSING

STRAINER

CONTROL VALVE

BALL VALVE

ID TYPE (BTU/H)

MAX COOLING

TYPE

MOUNTING

MANUFACTURER MODEL QTY.

60,000BRAZED PLATE HEAT EXCHANGER

(GPM)

FLOW RATE

WATER

STUDS

BACK

TYPE

FLOW

CURRENT

COUNTER

(DEGREE F)

INLET TEMP

COOLING WATER

(DEGREE F)

OUTLET TEMP

COOLING WATER

(DEGREE F)

INLET TEMP

REFRIGERANT

165 120

(DEGREE F)

OUTLET TEMP

REFRIGERANT

(INLET/OUTLET)

PIPE SIZE

COOLING

(INLET/OUTLET)

PIPE SIZE

REFRIGERANT

2" / 2" 1-1/8" / 5/8"40 B35TM2X18/1P

KECKLEY 21THY-BCM20M34-FTI

KECKLEY BVS2THFSSRGSL-200

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,

AIR HANDLER

HEAT EXCHANGER

JOHNSON CONTROLS

DIVERSIFIED HEAT TRANSFER, INC

CARRIER

REMARKS

1, 2, 3, 4, 5, 6, 7, 9, 10

REMARKS

1, 7, 8, 10

REMARKS

1, 3, 10

(HP)

FAN MOTOR

3.7

FLA

FAN MOTOR

10.5/10.5 13.3/13.3

MIN CIRCUIT AMPS

POWER SUPPLY

MOCP

POWER SUPPLY

1, 3, 10, 11

460-3-60

VG7441ST

VA-4233-BGA-2,

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,

AC-1

172,000 81,000 12.9

UNIT, 10 TON

VERTICAL DISCHARGE AIR HANDLER FLOOR4,000 91.6 40RUAA12A5A9-0A1A0THERMOSTAT WITH HUMIDITY SENSING CARRIER 1, 2, 3, 4, 5, 6, 7, 9, 103.7 10.5/10.5 13.3/13.3 20460-3-60AC-2

HX-1

HX-2

60,000BRAZED PLATE HEAT EXCHANGER 2

STUDS

BACK

CURRENT

COUNTER 85 88 165 1202" / 2" 1-1/8" / 5/8"40 B35TM2X18/1PDIVERSIFIED HEAT TRANSFER, INC 1, 7, 8, 10HX-3

HX-4

INSTRUCTIONS FOR FOR ADDITIONAL DETAILS.

THERMOSTAT, SEE MANUFACTURERS INSTALLATION, START-UP AND SERVICE

OTHERWISE CV ARE TO REMAIN CLOSED. CONTROL SIGNAL IS 24VDC FROM THE

11. CONTROL VALVE (CV )TO RECEIVE SIGNAL FROM THERMOSTAT TO OPEN FOR COOLING.

10. SEE SPECIFICATIONS FOR ADDITIONAL EQUIPMENT REQUIREMENTS.

OF THE ADJACENT DOOR OF AT LEAST 3' IN FRONT OF IT.

9. AC NO. 2 SHALL BE INSTALLED SO THAT THERE IS A CLEAR AREA DIRECTLY IN FRONT

BE INSTALLED TO FACILITATE DRAINING AND CLEANING OF THE HEAT EXCHANGER.

8. THREADED CAPPED TEE CONNECTIONS TO EITHER SIDE OF A HEAT EXCHANGER SHALL

A MANNER TO MINIMIZE POTENTIAL FOR DAMAGE FROM FALLING TOOLS OR MATERIAL.

7. ROUTING OF REFRIGERANT LINES FROM AC UNIT TO CONDENSERS SHALL BE DONE IN

DISCHARGE LINES TO THE FLOOR DRAIN.

MOUNTING DOES NOT PROVIDE ADEQUATE SLOPE FOR THE CONDENSATE OR

6. NEW AC UNIT CAN BE RAISED ON MANUFACTURER PROVIDED FEET IF FLOOR

MANUFACTURERS RECOMMENDATIONS.

VAPOR BARRIER. ANY DAMAGE TO THE VAPOR BARRIER SHALL BE REPAIRED PER

INSTALLED PER MANUFACTURERS RECOMMENDATIONS AND HAVE A CONTINUOUS

VEINS. ALL NEW SECTIONS ARE TO HAVE 2 INCHES OF FIBERGLASS INSULATION

AND RETURN CONNECTIONS. ALL REPLACED 90 DEGREE TURNS SHALL HAVE TURNING

5. EXISTING DUCTWORK IS TO BE MODIFIED AS REQUIRED FOR THE NEW AC UNIT SUPPLY

RECOMMENDATIONS AS BEST PRACTICAL.

LOCATION AND INSTALLATION ARE TO BE PER MANUFACTURER REQUIREMENTS AND

4. POSITION OF NEW AIR HANDLERS ARE TO BE CLOSE TO AS SHOWN ON DRAWING Q9-M-01.

DETAILS.

3. QUANTITIES SHOWN ARE FOR BOTH AIR HANDLER ASSEMBLIES. SEE Q9-M-03 FOR ASSEMBLY

EQUIPMENT IS CONSIDERED A SECOND ASSEMBLY.

2. AC-2 AND ASSOCIATED EQUIPMENT IS CONSIDERED ONE ASSEMBLY; AC-1 AND ASSOCIATED

1. EQUIPMENT AS SPECIFIED OR APPROVED EQUAL.

"211'-

®of Engineers

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US Army Corps

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SCALE: 6" = 1' - 0"

VIEW A-A

SCALE: 6" = 1' - 0"

VIEW B-B

B B

SCHEMATIC LAYOUT & LEGEND

SEE DWG Q9-M-03 FOR

EQUIPMENT LAYOUT

HANDLER (TYP.)

FACING THE AIR

PORTS TO BE

REFRIGERANT

HANDLER (TYP.)

FROM THE AIR

TO BE FACING AWAY

COOLING WATER PORTS

SEE NOTE 1

VERTICAL SUPPORTS

MATERIAL: SEE NOTE 1 AND SPECS.

MK. 1 MAKE: 1

EQUIPMENT RACK LAYOUT

SEE NOTE 2 & 3

RETAINING SUPPORTS

SEE SPECIFICATIONS

CONCRETE ANCHORS (TYP.)

HX-2

HX-1

THE WALL.

HEAT EXCHANGERS AND BE ROUTED TO THE FLOOR DRAIN, SHOWN ON Q9-M-01, ALONG

THE PIPE AT THIS POINT IS DISCHARGED AND IS TO CONNECT DISCHARGE FROM BOTH

FOLLOWED BY A CAPPED TEE UPSTREAM OF IT FOLLOWED BY A TEE AND BALL VALVE DOWNSTREAM.

WILL SEPARATE THE FLOW FOR THE HEAT EXCHANGER WHICH WILL HAVE A CONTROL VALVE

PIPES ARE THAN TO TEE TOGETHER AND COME DOWN THE RIGHT SIDE OF THE RACK. A TEE

BALL VALVES SERVING TWO STRAINERS WITH ADDITIONAL BALL VALVE DOWNSTREAM.

5. COOLING WATER PIPES TO COME IN OVERHEAD ON LEFT SIDE OF RACK. THEN TEE OFF TO

4. ALL WELDS TO COMPLY WITH SPECIFICATION SECTION 05 50 13.

RECOMMENDED BY THE MANUFACTURER TO ELIMINATE VIBRATION.

CHANNEL COMBINATION. USE RUBBER INSERT AND EXPANDING DEVICE AS

3. RETAINING SUPPORT CAN BE BENT INTO SHAPE AND WELDED OR BOLTED TO FRAME /

2. RETAINING SUPPORT TO MATCH PLACEMENT OF BOLT PATTERN ON HEAT EXCHANGER.

SEE SPECIFICATION SECTION 05 50 13 FOR CONCRETE ANCHOR REQUIREMENTS.

SHALL BE PER MANUFACTURERS RECOMMENDATIONS FOR MOUNTING THE HEAT EXCHANGER.

PLUMBING SCHEMATIC ON DRAWING Q9-M-03. MOUNTING SUPPORTS AND BOLT PATTERN

UPPER SECTION IS TO BE USED FOR MOUNTING STRAINERS AND BALL VALVES PER

ACCORDINGLY TO PROVIDE A SECURE MOUNTING LOCATION FOR THE HEAT EXCHANGER.

1. EQUIPMENT RACK LAYOUT SHOWN IS REFERENCE ONLY. ADJUST SUPPORTS AND STRAPS

Q9-M-01

Q9-M-02

Q9-M-03

Q9-M-04

Q9-M-05

File details come from the government source that posted it. Updated Jun 23, 2020.