1572053_P1394B_dwg 12of14.pdf

LEGEND

FIRE DAMPER

VOLUME DAMPER

CEILING RETURN, EXHAUST OR TRANSFER REGISTER OR GRILLE

CEILING SUPPLY DIFFUSER

MITERED ELBOW WITH TURNING VANES

RETURN DUCT TURNING UP

RETURN DUCT TURNING DOWN

EXHAUST DUCT TURNING UP

EXHAUST DUCT TURNING DOWN

SUPPLY DUCT TURNING UP (ROUND OR RECTANGULAR)

SUPPLY DUCT TURNING DOWN (ROUND OR RECTANGULAR)

10"x10" SQUARE OR RECTANGULAR DUCTWORK

PIPE TURNING UP

PIPE TURNING DOWN

THERMOSTAT

DUCT SMOKE DETECTOR

CD

(CFM)

DIFFUSER GRILLE, REGISTER

WITH CFM INDICATED

GENERAL

DUCTWORK

MOTORIZED CONTROL DAMPER

INDICATES ROUND DUCTWORK

FLEXIBLE CONNECTION

AIR FLOW

ACCESS DOORAD

ABOVE FINISHED FLOORAFF

ALUMINUMALUM

ARCHITECTURALARCH

DIAMETERDIA

DRAWINGDWG

MISCELLANEOUSMISC

TYPICALTYP

UNLESS OTHERWISE

NOTED

UON

GALVANIZEDGALV

AUTOMATIC AIR VENT

VALVES AND ACCESSORIES

AUTOMATIC FLOW CONTROL VALVE

CAPPED PIPE

CHECK VALVE

FLEXIBLE CONNECTION

FLOW METER

MANUAL AIR VENT

PRESSURE/TEMPERATURE TEST PLUGPT

PRESSURE RELIEF VALVE

PRESSURE GAUGE WITH GAUGE COCK

STRAINER

STRAINER W/BLOW DOWN VALVE

TWO WAY CONTROL VALVE

THERMOMETER

TOP CONNECTION

UNION

VACUUM BREAKER

CONTROLS

ANALOG INPUT (TO PANEL)

ANALOG OUTPUT (OUT OF PANEL)

DIGITAL INPUT (TO PANEL)

DIGITAL OUTPUT (OUT OF PANEL)

TWO WAY CONTROL VALVE

COMMON

CONTROL WIRING (SIGNAL PATH)

DIFFERENTIAL PRESSURE SENSOR

VARIABLE SPEED DRIVE

AI

DI

DO

C

FREEZESTAT

HIGH LIMIT TEMPERATURE SENSOR

HUMIDISTAT

MOTOR

MOTORIZED CONTROL DAMPER

NORMALLY CLOSEDNC

NORMALLY OPENEDNO

SENSOR

PRESSURE SENSOR

SWITCH

TIME CLOCK

CSR CURRENT SENSING RELAY

NORMALLY OPEN CONTROLS

NORMALLY CLOSED CONTROLS

HWS

HWR

RS

RL

D

HOT WATER SUPPLY

HOT WATER RETURN

REFRIGERANT LIQUID

REFRIGERANT SUCTION

CONDENSATE DRAIN LINE

PIPING

FLEXIBLE DUCT

M

M

M

AO

S

TC

DP

HL

H

S

T

SUPPLY DUCT TURNING UP (OVAL)

SUPPLY DUCT TURNING DOWN (OVAL)

10"/10" OVAL DUCTWORK

# CONSTRUCTION NOTE IDENTIFICATION

INDICATES NEW ITEM

ROOM NUMBER IDENTIFICATIONXXX

Ø

MANUAL VALVE

VFD

SPACE TEMPERATURE SENSORT

SPACE HUMIDITY SENSORH

SPEED CONTROLLERSC

ENERGY RECOVERY VENTILATORERV

EXHAUST FANEF

HEAT PUMPHP

OUTSIDE AIROA

RETURN AIRRA

UNIT HEATERUH

VARIABLE AIR VOLUMEVAV

SUPPLY AIRSA

FZ

P

SMOKE DETECTORSD

HUMIDITY SENSORH

AFMS AIRFLOW MEASURING STATION

SP STATIC PRESSURE SENSOR

T TEMPERATURE SENSOR

ELECTRIC WALL HEATEREWH

RETURN GRILLERG

EXHAUST GRILLEEG

TRANSFER GRILLETG

CEILING DIFFUSERCD

SUPPLY REGISTERSR

HEATING WATER PUMPHWP

SD

EXPANSION TANKET

AIR DIRT SEPARATORADS

VIRGINIA BEACH, VA 23462

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A/E INFO

A

B

C

D

1 2 3 4 5

1 2 3 4 5

A

B

C

D

SCALE:

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

DES DRW CHK

OF

EPROJECT NO.:

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DRAWFORM REVISION: 7 FEBRUARY 2019

PM/DM

BRANCH MANAGER

CHIEF ENG/ARCH

FIRE PROTECTION

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XXXXX-XX-X-XXXX

1572053

M-001

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DAC

12827120

JRS JDD

12/2/2020

APPROVED BY SOFIA SCHWARTZ, DEPUTY DIRECTOR

OF INSTALLATION DEVELOPMENT, WITH MCB CAMP

LEJEUNE, VIA EMAIL

SGL/JPC

JA

C

K S

O N

V

IL

LE

, N

C M

C B

C A

M P

L E

JE

U

N E

EJA

ALG

S Y

M D

E S

C R

IP

TI

O N

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CA

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SEAL

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clacross Typewritten Text

DSN

(1800 CFM)(60 MIN___

HR)(1 LB air /12.28 FT 3 )[0.010273-0.0001026(LB water /LB air )] = 89LB__

HR

HUMIDIFIER LOAD CALCULATION

ROOM FLOOR AREA: 1105 FT 2

ROOM HEIGHT: 8 FT

ROOM VOLUME: 8840 FT 3

SUPPLY AIRFLOW RATE: 1500 CFM

AIR CHANGES PER HOUR: (1500 CFM/60 MIN___

HR)/8840 FT 3 = 10AC__

HR

RUBBER REPAIR ROOM C116

AIR CHANGE RATE CALCULATION

(30 CFM______

PERSON )(30 PEOPLE/1000 FT 2)(1105 FT 2) = 944 CFM

VENTILATION RATE CALCULATION

REQUIRED: 994 CFM

SUPPLIED: 1500 CFM

C8C7C6C5C4C3C2C1

CA

CF

FCU-2C

FCU-4C

EF-1C

EF-2C

UH-2C

UH-2C

UH-1C

ACCU-1C

CUF-2C

CU-1

AC-1

CUF-4C

BOAT

MAINTENANCE

C101

RUBBER

REPAIR

C116

COMM

C115

ELEC

C114

LIFE

SAFETY

STORAGE

C109

SIPR CAFE

C112

OFFICE

C111

ENGINE

STORAGE

C103

HWR

HWS

H W

R H

W S

SA FROM

FCU-1C

RA TO

FCU-1C

SPRINK

C113

C1

MH101C

FABRIC DUCTWORK

1,166 CFM (A)

SUSPEND AIR

HANDLER 9'-6"

A.F.F.

CD-1

190 CD-1

RG-1

RG-1

8"ø

6"x6"

6"x6"

12"x10"

12"x10"

SA TO

FCU-3C

16"ø

2"2"

1"1"

1"1"

2"2" 1 1/2"1 1/2"

1 1/2"1 1/2"

1 1/4"1 1/4"

1 1/2"1 1/2" 2"2" 2"2"

1 1/4"1 1/4" 1 1/4"1 1/4"

S E

E M

H

2C F

O R

C O

N T

1 1/4"1 1/4"

1 1/4"1 1/4"

1"1" 1"1"

12"ø 16"x14"

R L/

R S

RL/RS TO

CUF-2C

R L/

R S

D

3/4"3/4"

D

D

1"1"

1"1"

1 1/4" D DN TO

DRAIN, SEE PLMB.

RD-1

RD-1

EG-2

D

1 1/4" D UP TO

MECHANICAL

PLATFORM

RL/RS UP TO

MECHANICAL

PLATFORM

R L/

R S

H-1

ACHP-1

HP-1

2"2"

1"1"SUSPEND UNIT

HEATER 9'-0"

AFF, TYP.

CU-1

AC-1

D

3/4"3/4"

ROUTE PIPES TIGHT

TO STRUCTURE,

PROVIDE MANUAL AIR

VENT AT HIGH POINT

26"x14"

17'-6" AFF

17'-6" AFF

SUSPEND UNIT

HEATER 9'-0"

AFF, TYP.

SUSPEND UNIT

HEATER 9'-0"

AFF, TYP.

T

T

T T

T

T

MECHANICAL

PLATFORM

10' - 1 1/4"

C7C6C5

AHU-1C

16"x14"

16"x16"

8"x32"

RD-1

EG-2

RD-1

7501 1/4" D DN TO DRAIN RL/RS TO ACCU-1C

16"x34"

14"ø

10"x32"

6" TH. EQUIP. PAD

1. MECHANICAL CONTRACTOR SHALL CLOSELY COORDINATE THE INSTALLATION

OF THE MECHANICAL SYSTEM WITH ALL DISCIPLINE CONTRACTORS.

2. ALL MECHANICAL EQUIPMENT AND INSTALLATION SHALL YIELD COMPLETE AND

OPERATIONAL SYSTEMS THAT CONFORM TO THE REQUIREMENTS OF THE

CONTRACT PLANS, SPECIFICATIONS, AND ALL APPLICABLE CODE AND UFC

REQUIREMENTS.

3. LOCATE ALL EQUIPMENT TO ALLOW FOR FULL ACCESS FOR MAINTENANCE.

4. ANY FRESH AIR INTAKES SHALL BE LOCATED A MINIMUM OF 10'-0" ABOVE GRADE

PER ATFP REQUIEMENTS.

5. EXPOSED DUCTWORK IS DOUBLE-WALL SPIRAL W/ PERFORATED INNER LINER

AND MYLAR COATING OVER LINER, UNLESS OTHERWISE NOTED ON PLANS.

6. INSULATE DUCTWORK AND PIPING THROUGH WALL PENETRATIONS.

C7C6C5

CA

C1

MH101C

AHU-1C

EA LOUVER, SEE

ARCH. FOR SIZE &

LOCATION

OA INTAKE LOUVER, SEE

ARCH. FOR SIZE & LOCATION

1 1/4"1 1/4"

1 1/4"1 1/4" 1"1"

R L/

R S

1 1/4" D DN

"x

8"

14"ø 14"ø

"x

14"x16"

34"x16" DN TO E.A. GRILLE

TO HWS/R MAINS

RL/RS DN TO ACCU-1C

22"x10"

VIRGINIA BEACH, VA 23462

SUITE 1400

757·455·5800 FAX 757·455·5638

WWW.CLARKNEXSEN.COM

4525 MAIN STREET

SATISFACTORY TO DATE

APPROVED

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

A

B

C

D

1 2 3 4 5

1 2 3 4 5

A

B

C

D

SCALE:

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

DES DRW CHK

OF

EPROJECT NO.:

D E

P A

R T

M E

N T

O F

T H

E N

A V

Y N

A V

A L

F A

C

IL

IT

IE

S E

N G

IN

E

E R

IN

G

C O

M M

A N

D

DRAWFORM REVISION: 7 FEBRUARY 2019

PM/DM

BRANCH MANAGER

CHIEF ENG/ARCH

FIRE PROTECTION

N A

V A

L F

A C

IL

IT

IE

S

E N

G

IN

E E

R

IN

G C

O M

M A

N D

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ID

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T L A

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F O

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AS NOTED

UNCLASSIFIED

UNCLASSIFIED

U N

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LA

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IF

IE

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XXXXX-XX-X-XXXX

1572053

MH101C

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DAC

12827121

JRS JDD

12/2/2020

APPROVED BY SOFIA SCHWARTZ, DEPUTY DIRECTOR

OF INSTALLATION DEVELOPMENT, WITH MCB CAMP

LEJEUNE, VIA EMAIL

SGL/JPC

JA

C

K S

O N

V

IL

LE

, N

C M

C B

C A

M P

L E

JE

U

N E

EJA

ALG

SCALE: 1/8" = 1'-0"

RR456 FLOOR PLAN - AREA A

1/8" = 1' - 0" 0 5' 10' 15' 30'

GRAPHIC SCALE(S)

KEY PLAN

# KEY NOTES

GENERAL NOTES

AREA A AREA B

SCALE: 1/4" = 1'-0"

C1

SECTION AT AHU-C1

SCALE: 1/8" = 1'-0"

RR456 FLOOR PLAN - MECHANICAL PLATFORM

1 GRADE MOUNTED HEAT PUMP OR CONDENSING UNIT. INSTALL AND

SECURE UNIT TO CONCRETE PAD. ROUTE REFRIGERANT PIPING TO

AFFILIATED INDOOR AIR HANDLING UNIT.

2 CONDENSATE PIPE TO SLASH BLOCK ON GRADE.

3 AIR DISTRIBUTION, INCLUDING OPENINGS IN THE FABRIC DUCT TO

PROVIDE PROPER AIR FLOW TO THE SPACE, IS BY THE FABRIC DUCT

MANUFACTURER. REFER TO FABRIC DUCTWORK DIFFUSER SCHEDULE ON

DRAWING M-702.

4 ADJUSTABLE FLOW DEVICE. LOCATION AND TYPE PER FABRIC DUCT

MANUFACTURER INSTALLATION INSTRUCTIONS.

5 16"X34" E.A. DUCT UP TO MECHANICAL PLATFORM.

6 14"Ø S.A. DUCT FROM ABOVE.

7 14"Ø S.A. DUCT DOWN TO DIFFUSER.

8 R.A. DUCT FULL-SIZE OF R.A. DUCT CONNECTION. ELBOW DUCT UP TO

BELLMOUTH OPENING WITH WIRE MESH COVER.

9 INSTALL FAN HIGH IN SPACE. REFER TO ARCHITECTURAL FOR LOCATION.

S Y

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clacross

C12C11C10C9C8

CA

CF

C13

FCU-1C

FCU-3C

CUF-3C

UH-1C

CUF-1C

UH-1C

UH-1C

UH-1C

LIFE

SAFETY

STORAGE

C109

BOAT

MAINTENANCE

C101

PARTS

C105

WOMENS

C106

MENS

C108

OFFICE

C110

MH102C

C3

HWS

HWS

HWR

H W

S

HWR

EF-3C EA

LOUVER,

SEE ARCH.

FOR SIZE &

LOCATION

CUF-2C

CUF-4C

FCU-2C

CD-1

190 CD-1

RG-1

RG-1

12"x10"

12"x10"

EG-2

110 EG-1

EG-1

EG-1

EG-2

BB

C104

2"2"

2"2"

2"2"

3/4"3/4"

1"1"

2"2"

2"2"

HWR

8"ø 8"ø

12"x10"

12"x10"

6"x6" 6"x6"

36"x14"

26"x14"

12"ø

S E

E H

M

1C F

O R

C O

N T

D D D D

3/4"3/4" 1 1/4"1 1/4"

1 1/4"1 1/4"

2"2"

2"2"

1"1"

2"2"

1"1"

H W

R

3/4"3/4"

2"2"

D

1"1"1"1"

R L/

R S

RUN PIPES TIGHT TO

STRUCTURE

OA LOUVER, SEE

ARCH. FOR SIZE

& LOCATION

OA LOUVER, SEE

ARCH. FOR SIZE

& LOCATION

EWH-1 EWH-1 EWH-1 EWH-1

CH-1

HP-1

ACHP-1

EF-4C

6"ø

6" VENT CAP

12"x12" OA

INTAKE

LOUVER

D3/4" D

RL/RS

D3/4" D 12"x12" 12"x12"

8"ø 10"ø

TG-1TG-1

TG-1

RG-1

OFFICE

C111

OFFICE

C110

RD-1

RG-2

14"ø

FCU-4C

FABRIC DUCT

400 CFM (B)

1 1/4"1 1/4"

T

T

SUSPEND UNIT

HEATER 9'-0"

AFF, TYP.

SUSPEND UNIT

HEATER 9'-0"

AFF, TYP.

SUSPEND UNIT

HEATER 9'-0"

AFF, TYP.

C11

CF

HWP-2C

ADS-1CB-1CB-2C

ET-1C

C1

MH102C

SUSPENDED

FROM ABOVE

HWS2" HWS

2" HWR

1" D

DN TO

FLOOR

DRAIN

UH-1C

HWP-1C

HIGH

LOW

B-3C

3BAS

EMERGENCY RED MUSHROOM

SHUTOFF SWITCH. WHEN PUSHED

BOILERTS ARE SHUT DOWN AND NC

SOLENOID VALVE IN GAS MAIN CLOSES

STOPPING GAS FLOW TO BOILERS.FIRST FLOOR

0' - 0"

C11

HWP-2CADS-1C

B-1C

B-2C

ET-1C

2" HWS

2" HWR

B-3C

HWP-1C

53 TYP. 3

BAS

1. MECHANICAL CONTRACTOR SHALL CLOSELY COORDINATE THE INSTALLATION

OF THE MECHANICAL SYSTEM WITH ALL DISCIPLINE CONTRACTORS.

2. ALL MECHANICAL EQUIPMENT AND INSTALLATION SHALL YIELD COMPLETE AND

OPERATIONAL SYSTEMS THAT CONFORM TO THE REQUIREMENTS OF THE

CONTRACT PLANS, SPECIFICATIONS, AND ALL APPLICABLE CODE AND UFC

REQUIREMENTS.

3. LOCATE ALL EQUIPMENT TO ALLOW FOR FULL ACCESS FOR MAINTENANCE.

4. ANY FRESH AIR INTAKES SHALL BE LOCATED A MINIMUM OF 10'-0" ABOVE GRADE

PER ATFP REQUIEMENTS.

5. EXPOSED DUCTWORK IS DOUBLE-WALL SPIRAL W/ PERFORATED INNER LINER

AND MYLAR COATING OVER LINER, UNLESS OTHERWISE NOTED ON PLANS.

6. INSULATE DUCTWORK AND PIPING THROUGH WALL PENETRATIONS.

VIRGINIA BEACH, VA 23462

SUITE 1400

757·455·5800 FAX 757·455·5638

WWW.CLARKNEXSEN.COM

4525 MAIN STREET

SATISFACTORY TO DATE

APPROVED

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

A

B

C

D

1 2 3 4 5

1 2 3 4 5

A

B

C

D

SCALE:

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

DES DRW CHK

OF

EPROJECT NO.:

D E

P A

R T

M E

N T

O F

T H

E N

A V

Y N

A V

A L

F A

C

IL

IT

IE

S E

N G

IN

E

E R

IN

G

C O

M M

A N

D

DRAWFORM REVISION: 7 FEBRUARY 2019

PM/DM

BRANCH MANAGER

CHIEF ENG/ARCH

FIRE PROTECTION

N A

V A

L F

A C

IL

IT

IE

S

E N

G

IN

E E

R

IN

G C

O M

M A

N D

M

ID

-A

T L A

N T

IC

N

A V

A L

S T

A T

IO

N

N

O R

F O

L K

V

A

AS NOTED

UNCLASSIFIED

UNCLASSIFIED

U N

C

LA

S S

IF

IE

D

XXXXX-XX-X-XXXX

1572053

MH102C

P S

O F

M O

T O

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P O

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IN

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E N

A N

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LA

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A R

E A

B

DAC

12827122

JRS JDD

12/2/2020

APPROVED BY SOFIA SCHWARTZ, DEPUTY DIRECTOR

OF INSTALLATION DEVELOPMENT, WITH MCB CAMP

LEJEUNE, VIA EMAIL

SGL/JPC

JA

C

K S

O N

V

IL

LE

, N

C M

C B

C A

M P

L E

JE

U

N E

EJA

ALG

SCALE: 1/8" = 1'-0"

RR456 FLOOR PLAN - AREA B

AREA A AREA B

SCALE: 1/4" = 1'-0"

C3

RR456 - ENLARGED BOILER RM. C107

SCALE: 1/4" = 1'-0"

C1

BOILER RM. C107 SECTION

1 GRADE MOUNTED HEAT PUMP. INSTALL AND SECURE UNIT TO CONCRETE

PAD. ROUTE REFRIGERANT PIPING TO AFFILIATED INDOOR AIR HANDLING

UNIT.

2 ADJUST AND BALANCE OUTSIDE AIR INTAKE AIRFLOW RATE TO AIRFLOW

RATE INDICATED ON THE SCHEDULE.

3 ROUTE 2" FLUE VENT UP THRU ROOF TO ROOF CAP. ROUTING OF FLUE,

INCLUDING MATERIAL OF PIPE AND ROOF CAP PER MANUFACTURER'S

INSTALLATION INSTRUCTIONS.

4 AIR DISTRIBUTION, INCLUDING OPENINGS IN THE FABRIC DUCT TO

PROVIDE PROPER AIR FLOW TO THE SPACE, IS BY THE FABRIC DUCT

MANUFACTURER. REFER TO FABRIC DUCTWORK DIFFUSER SCHEDULE ON

DRAWING M-702.

5 2" COMBUSTION INTAKE DUCTS FROM ROOF CAP TO BOILERS PER

MANUFACTURER'S INSTALLATION INSTRUCTIONS.

6 UNDERCUT DOOR 1 1/2".

7 R.A. DUCT FULL-SIZE OF R.A. DUCT CONNECTION. ELBOW DUCT UP TO

BELLMOUTH OPENING WITH WIRE MESH COVER.

8 ROUTE HWS & HWR PIPES STACKED IN CAVITY BETWEEN EXTERIOR WALL

AND STRUCTURAL BRACING, AND ABOVE TRANSLUCENT PANELS.

9 UNDERCUT DOOR 1".

10 ATFP SWITCH.

1/4" = 1' - 0" 0 5' 10' 15'1'

1/8" = 1' - 0" 0 5' 10' 15' 30'

GRAPHIC SCALE(S)

KEY PLAN

# KEY NOTES

GENERAL NOTES

S Y

M D

E S

C R

IP

TI

O N

D A

TE

A

P P

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N O

R T H

C A R O L I N

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SEAL

E NG I N E E R

clacross

D2 D3 D4 D5D1

DA

DC

DB

STORAGE

BAY

D101

STORAGE

BAY

D103

STORAGE

BAY

D105

STORAGE

BAY

D107

UH-1D

UH-1D

AC-1D

AC-2D

AC-1D

HP-1D

HP-1D

AC-2DCD-1

RG-3

CD-1

CD-1

RG-3

RG-3

RG-3

S E

E M

H

2D F

O R

C O

N T

CD-1

10"ø

8"x8"

8"x8"

10"ø

10"ø

8"x8"

8"x8"

10"ø

SR-1

SR-1

SR-1

SR-1

SR-1

SR-1

SR-1

SR-1

1" D 1" D

OFFICE

D104

OFFICE

D102

OFFICE

D106

OFFICE

D108

UH-1D

4 UH-1D

76"x6"6"x6"

6"x6"6"x6"

32"ø

T

T

T

T

SUSPEND UNIT

HEATER 10'-0"

AFF, TYP.

SUSPEND UNIT

HEATER 10'-0"

AFF, TYP.

SUSPEND UNIT

HEATER 10'-0"

AFF, TYP.

SUSPEND UNIT

HEATER 10'-0"

AFF, TYP.

1. MECHANICAL CONTRACTOR SHALL CLOSELY COORDINATE THE INSTALLATION

OF THE MECHANICAL SYSTEM WITH ALL DISCIPLINE CONTRACTORS.

2. ALL MECHANICAL EQUIPMENT AND INSTALLATION SHALL YIELD COMPLETE AND

OPERATIONAL SYSTEMS THAT CONFORM TO THE REQUIREMENTS OF THE

CONTRACT PLANS, SPECIFICATIONS, AND ALL APPLICABLE CODE AND UFC

REQUIREMENTS.

3. LOCATE ALL EQUIPMENT TO ALLOW FOR FULL ACCESS FOR MAINTENANCE.

4. ANY FRESH AIR INTAKES SHALL BE LOCATED A MINIMUM OF 10'-0" ABOVE GRADE

PER ATFP REQUIEMENTS.

5. EXPOSED DUCTWORK IS DOUBLE-WALL SPIRAL W/ PERFORATED INNER LINER

AND MYLAR COATING OVER LINER, UNLESS OTHERWISE NOTED ON PLANS.

6. INSULATE DUCTWORK AND PIPING THROUGH WALL PENETRATIONS.

D7

DC

RG-2

RG-2

RG-2

"x

"x

42"x20"

AHU-1D

"x

40"ø

C2

MH101D

EUH-1

BAS

FIRST FLOOR

0' - 0"

DC

DB

40"ø 32"ø

20"x60"

42"x20"

20"x42" 26 "x

26"x52"

MOTORIZED

DAMPERS

42"x20"

AHU-1D

RG-2

VIRGINIA BEACH, VA 23462

SUITE 1400

757·455·5800 FAX 757·455·5638

WWW.CLARKNEXSEN.COM

4525 MAIN STREET

SATISFACTORY TO DATE

APPROVED

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

A

B

C

D

1 2 3 4 5

1 2 3 4 5

A

B

C

D

SCALE:

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

DES DRW CHK

OF

EPROJECT NO.:

D E

P A

R T

M E

N T

O F

T H

E N

A V

Y N

A V

A L

F A

C

IL

IT

IE

S E

N G

IN

E

E R

IN

G

C O

M M

A N

D

DRAWFORM REVISION: 7 FEBRUARY 2019

PM/DM

BRANCH MANAGER

CHIEF ENG/ARCH

FIRE PROTECTION

N A

V A

L F

A C

IL

IT

IE

S

E N

G

IN

E E

R

IN

G C

O M

M A

N D

M

ID

-A

T L A

N T

IC

N

A V

A L

S T

A T

IO

N

N

O R

F O

L K

V

A

AS NOTED

UNCLASSIFIED

UNCLASSIFIED

U N

C

LA

S S

IF

IE

D

XXXXX-XX-X-XXXX

1572053

MH101D

P S

O F

M O

T O

R T

R A

N S

P O

R T

M A

IN

T

E N

A N

C E

E X

P A

N S

IO

N

S

IT

E

R R

F

LO

O R

P

LA

N

A R

E A

A

DAC

12827123

JRS JDD

12/2/2020

APPROVED BY SOFIA SCHWARTZ, DEPUTY DIRECTOR

OF INSTALLATION DEVELOPMENT, WITH MCB CAMP

LEJEUNE, VIA EMAIL

SGL/JPC

JA

C

K S

O N

V

IL

LE

, N

C M

C B

C A

M P

L E

JE

U

N E

EJA

ALG

SCALE: 1/8" = 1'-0"

RR469 FLOOR PLAN - AREA A

AREA A AREA B

SCALE: 1/4" = 1'-0"

C3

RR469 ENLARGED UTILITY PLAN

SCALE: 1/8" = 1'-0"

C2

RR469 - BUILDING SECTION

1 GRADE MOUNTED HEAT PUMP. INSTALL AND SECURE UNIT TO CONCRETE

PAD. ROUTE REFRIGERANT PIPING TO AFFILIATED INDOOR AIR HANDLING

UNIT.

2 CONDENSATE PIPE TO SLASH BLOCK ON GRADE.

3 ROUTE CONDENSATE PIPE DOWN TO FLOOR DRAIN FOR INDIRECT

CONNECTION.

4 CONCENTRIC CUMBUSTION FLUE, COMBUSTION AIR INTAKE THROUGH

ROOF, SIZE OF VENT AND MATERIAL PER MANUFACTURER'S

INSTALLATION INSTRUCTIONS.

5 ADJUST AND BALANCE OUTSIDE AIR INTAKE AIRFLOW RATE TO AIRFLOW

RATE INDICATED ON THE SCHEDULE.

6 R.A. DUCTWORK - DOUBLE WALL WITH PERFORATED INNER LINER AND

MYLAR LAYER OVER LINER.

7 O.A. INTAKE LOUVER, SEE ARCHITECTURAL FOR SIZE AND LOCATION.

1/4" = 1' - 0" 0 5' 10' 15'1'

1/8" = 1' - 0" 0 5' 10' 15' 30'

GRAPHIC SCALE(S)

KEY PLAN

# KEY NOTES

GENERAL NOTES

S Y

M D

E S

C R

IP

TI

O N

D A

TE

A

P P

R

N O

R T H

C A R O L I N

A

P R

OF E S S I ONA

L

D W

A Y N E A L L A N

CA

R R

034339

SEAL

E NG I N E E R

clacross

D6 D7 D8 D9 D10 D11

DA

DC

DB

OFFICE

D110A

OFFICE

D110B

STORAGE

BAY

D113

UH-1D

UH-1D

EF-1DEF-1D

AC-2D

UH-1D

AC-2D

26"ø

S E

E M

H

1D F

O R

C O

N T

CD-1

RG-3

SR-1

SR-1

SR-1

SR-1

SR-1

SR-1

STORAGE

BAY

D111

STORAGE

BAY

D109

SA

FROM

AHU-1D

1" D

CD-1

280 RG-3

ACCU-1D

HP-1D

OFFICE

D114

OFFICE

D112

SUSPEND GAS FIRED

UNIT HEATER 10'-0"

AFF, TYP.

D

D

C2

MH101D

DOUBLE WALL SPIRAL

DUCTWORK W/ PERFORATED

INNER LINER & MYLAR

COATING OVER LINER

UH-1D

DOUBLE WALL SPIRAL

DUCTWORK W/ PERFORATED

INNER LINER & MYLAR

COATING OVER LINER

EA LOUVER, SEE

ARCH. FOR SIZE &

LOCATION

STORAGE

BAY

D109

T

AHU-1D

3/4"3/4"

CU-1

CU-1

D

SR-1

SR-1

SR-1

SR-1

SR-1

SR-1

AC-1

AC-1

UTILITY

ROOM

D115

TELECOM

D118

ELECTRICAL

D119

3/4"3/4"

MH101D

C3

40"ø

32"ø

6"x6" 10"ø

8"x8" 6"x6" 8"x8"

6"x6" 6"x6"

6"x6"

10"ø

RG-3

CD-1

CD-1

RG-3

EWH-1

EWH-1

12"x10"

T T

8"x8" 10"ø

"ø

8"x8"SUSPEND UNIT

HEATER 10'-0"

AFF, TYP.

SUSPEND UNIT

HEATER 10'-0"

AFF, TYP.

AC-2DAC-1D

1. MECHANICAL CONTRACTOR SHALL CLOSELY COORDINATE THE INSTALLATION

OF THE MECHANICAL SYSTEM WITH ALL DISCIPLINE CONTRACTORS.

2. ALL MECHANICAL EQUIPMENT AND INSTALLATION SHALL YIELD COMPLETE AND

OPERATIONAL SYSTEMS THAT CONFORM TO THE REQUIREMENTS OF THE

CONTRACT PLANS, SPECIFICATIONS, AND ALL APPLICABLE CODE AND UFC

REQUIREMENTS.

3. LOCATE ALL EQUIPMENT TO ALLOW FOR FULL ACCESS FOR MAINTENANCE.

4. ANY FRESH AIR INTAKES SHALL BE LOCATED A MINIMUM OF 10'-0" ABOVE GRADE

PER ATFP REQUIEMENTS.

5. EXPOSED DUCTWORK IS DOUBLE-WALL SPIRAL W/ PERFORATED INNER LINER

AND MYLAR COATING OVER LINER, UNLESS OTHERWISE NOTED ON PLANS.

6. INSULATE DUCTWORK AND PIPING THROUGH WALL PENETRATIONS.

VIRGINIA BEACH, VA 23462

SUITE 1400

757·455·5800 FAX 757·455·5638

WWW.CLARKNEXSEN.COM

4525 MAIN STREET

SATISFACTORY TO DATE

APPROVED

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

A

B

C

D

1 2 3 4 5

1 2 3 4 5

A

B

C

D

SCALE:

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

DES DRW CHK

OF

EPROJECT NO.:

D E

P A

R T

M E

N T

O F

T H

E N

A V

Y N

A V

A L

F A

C

IL

IT

IE

S E

N G

IN

E

E R

IN

G

C O

M M

A N

D

DRAWFORM REVISION: 7 FEBRUARY 2019

PM/DM

BRANCH MANAGER

CHIEF ENG/ARCH

FIRE PROTECTION

N A

V A

L F

A C

IL

IT

IE

S

E N

G

IN

E E

R

IN

G C

O M

M A

N D

M

ID

-A

T L A

N T

IC

N

A V

A L

S T

A T

IO

N

N

O R

F O

L K

V

A

AS NOTED

UNCLASSIFIED

UNCLASSIFIED

U N

C

LA

S S

IF

IE

D

XXXXX-XX-X-XXXX

1572053

MH102D

P S

O F

M O

T O

R T

R A

N S

P O

R T

M A

IN

T

E N

A N

C E

E X

P A

N S

IO

N

S

IT

E

R R

F

LO

O R

P

LA

N

A R

E A

B

DAC

12827124

JRS JDD

12/2/2020

APPROVED BY SOFIA SCHWARTZ, DEPUTY DIRECTOR

OF INSTALLATION DEVELOPMENT, WITH MCB CAMP

LEJEUNE, VIA EMAIL

SGL/JPC

JA

C

K S

O N

V

IL

LE

, N

C M

C B

C A

M P

L E

JE

U

N E

EJA

ALG

SCALE: 1/8" = 1'-0"

RR469 FLOOR PLAN - AREA B

AREA A AREA B

1 GRADE MOUNTED HEAT PUMP. INSTALL AND SECURE UNIT TO CONCRETE

PAD. ROUTE REFRIGERANT PIPING TO AFFILIATED INDOOR AIR HANDLING

UNIT.

2 CONDENSATE PIPE TO SLASH BLOCK ON GRADE.

3 CONCENTRIC CUMBUSTION FLUE, COMBUSTION AIR INTAKE THROUGH

ROOF, SIZE OF VENT AND MATERIAL PER MANUFACTURER'S

INSTALLATION INSTRUCTIONS.

4 ADJUST AND BALANCE OUTSIDE AIR INTAKE AIRFLOW RATE TO AIRFLOW

RATE INDICATED ON THE SCHEDULE.

5 ROUTE CONDENSATE PIPE DOWN TO FLOOR DRAIN FOR INDIRECT

CONNECTION.

6 O.A. INTAKE LOUVER, SEE ARCHITECTURAL FOR SIZE AND LOCATION.

7 ATFP SWITCH.

1/8" = 1' - 0" 0 5' 10' 15' 30'

GRAPHIC SCALE(S)

KEY PLAN

# KEY NOTES

GENERAL NOTES

S Y

M D

E S

C R

IP

TI

O N

D A

TE

A

P P

R

N O

R T H

C A R O L I N

A

P R

OF E S S I ONA

L

D W

A Y N E A L L A N

CA

R R

034339

SEAL

E NG I N E E R

clacross

1"

COIL

DRAIN

PAN

NOTES

1. ALLOW SUFFICIENT SPACE BELOW DRAIN PAN FOR

TRAP. COORDINATE MOUNTING OF HVAC UNIT ON

EQUIPMENT PAD TO PROVIDE SUFFICIENT HEIGHT.

2. PITCH DRAIN PIPE FOR PROPER RUN-OFF.

3. MANUALLY PRIME FILL TRAP BEFORE START-UP TO

FORM INITIAL DRAIN SEAL.

4. SUPPORT DRAIN LINES TO PREVENT SAG AND

CONDENSATE OVERFLOW.

5. INSTALL A CLEANOUT TEE AT EACH CHANGE OF

DIRECTION GREATER THAN 45°.

6. MAXIMUM DISTANCE BETWEEN CLEANOUTS TO BE 50

LINEAR FEET.

CONDENSATE DRAIN SIZING

UNIT SIZE*3/4"

1" UP TO 2 TONS

1-1/4" UP TO 5 TONS

1-1/2" UP TO 30 TONS

UP TO 50 TONS

UP TO 150 TONS

UP TO 300 TONS

UP TO 430 TONS

2"

3"

4"

6"

PIPE SIZE

RETURN BEND

PITCH DN

DRAIN CONNECTION

NIPPLE

TEE

CLEANOUT PLUG

DISCHARGE MUST BE

BELOW LEVEL OF

DRAIN PAN

CONDENSATE DRAIN DETAIL

NO SCALE

*MINIMUM CONDENSATE DRAIN PIPE SIZE

CLEAN-OUT TEE WITH THREADED PLUG

POSITIVE PRESSURE TRAP NEGATIVE PRESSURE TRAP

K = MIN. 1/2"

H = 1/2" PLUS MAX. TOTAL STATIC PRESSURE

J = HALF OF H

H = 1" PLUS MAX. NEG. STATIC PRESSURE

K H

H J

NO SCALE

TYPICAL MANUAL AIR VENT DETAILS

NOTES:

EXTEND VENT LINE TO WITHIN 6" ABOVE CEILING WHERE

PIPING IS CONCEALED ABOVE CEILING. WHERE PIPING IS

EXPOSED, VALVE SHALL BE LOCATED WITHIN 72" OF

FINISHED FLOOR.

ALL AIR VENTS ARE TO BE MANUAL TYPE. THE ONLY

EXCEPTION SHALL BE THOSE THAT ARE PART OF AN AIR

SEPARATOR OR MFG EQUIPMENT SUCH AS BOILER.

SYSTEM PIPE

1/2" BALL VALVE

1/2"

3/4" HOSE

THREAD

1/2" BALL VALVE LOCATED

TO ALLOW ACCESSIBILITY

FROM BELOW CEILING

1/2"SYSTEM PIPE

3/4" HOSE

THREAD

SYSTEM PIPE

3/4" HOSE

THREAD

1/2" BALL VALVE

LOCATED TO ALLOW

ACCESSIBILITY FROM

BELOW CEILING

1/2"

6" LONG NIPPLE,

SAME SIZE AS

SYSTEM PIPE

PIPE CAP

CLEVIS HANGER SP-69,

TYPE 1

SUPPORT FROM

STRUCTURE ABOVE

1/2"Ø HANGER R0D

PIPE

2"Ø THREADED ROD SUPPORT FROM

STRUCTURE ABOVE

1-1/2"x1-1/2"x1/4"

STEEL ANGLE

BOLT AND CLAMPING

NUT (TYP)

STEEL PIPE/DUCT

STRAP

INSULATION SADDLE

MULTIPLE PIPE/DUCT RUNS

NO SCALE

PIPE/DUCT SUPPORT DETAILS

INSULATION SHIELD

INSULATION

INSULATION SADDLE

INSULATION SHIELD

INSULATION

AHU HEATING WATER COIL PIPING DETAIL

NO SCALE

RETURN

SUPPLY

MAKE-UP WATER PIPING DETAIL

NO SCALE

BY DIV 22BY DIV 23

TO HEATING

WATER MAKE-UP

3/4"

SCREWED UNION (TYP.)

GLOBE VALVE N.C. (TYP.)

PRESSURE REDUCING VALVE

PRESSURE RELIEF VALVE (TYP.)

STRAINER (TYP.)

ISOLATION VALVE (TYP.)

1"

PRESSURE REDUCING VALVE SETTING, IN FEET WATER COLUMN, TO BE EQUAL TO 12 FEET WATER COLUMN PLUS THE ELEVATION DIFFERENCE, IN FEET, BETWEEN THE VALVE AND THE HIGHEST POINT OF THE HYDRONIC

PRESSURE GAUGE

NOTE:

SYSTEM IT SERVES

REDUCED PRESSURE

PRINCIPLE BACKFLOW

PREVENTION ASSEMBLY

A3A1

B1

D1

C3

NOTES

DRAIN TEE CONNECTIONS PROVIDE MEANS TO FLUSH COIL

INDEPENDENT OF THE REMAINDER OF THE SYSTEM AND WITHOUT

FLOWING THROUGH THE CONTROL VALVE.

THE PRESSURE INDEPENDENT CONTROL VALVE SHALL BE INSTALLED

IN CONFORMANCE WITH THE VALVE MFGR'S RECOMMENDED SPACING

UPSTREAM AND DOWNSTREAM FROM CHANGES IN PIPE DIRECTION,

AND/OR OTHER VALVES AND COMPONENTS IN THE PIPING.

CALIBRATED FLOW MEASURING DEVICE OR VENTURI AND ISOLATION

VALVE MAY BE COMBINED INTO ONE ASSEMBLY. PROVIDE 2 PIPE

DIAMETERS DOWNSTREAM AND 5 UPSTREAM OF CALIBRATED FLOW

MEASURING DEVICE OR VENTURI.

ONLY STRAIGHT STEEL OR COPPER PIPE SHALL BE BETWEEN THE P/T

PORT AND THE COIL AND THE MAXIMUM LENGTH OF PIPE IS TO BE 5 LF.

ISOLATION VALVES ARE TO BE OF THE VALVE TYPE SPECIFIED AND TO

BE INSTALLED TO ALLOW SERVICE AND REMOVAL OF ALL EQUIPMENT,

ACCESSORIES, AND APPURTENANCES WITHOUT SYSTEM SHUTDOWN.

AIR VENT TO BE INSTALLED SO THE POINT OF THE VENT PIPING

CONNECTION IS ABOVE THE HIGHEST POINT OF THE COIL AND ITS

AFFILIATED PIPING. AIR VENT MAY BE PART OF THE COIL OR

INSTALLED SEPARATELY.

TEE CONNECTIONS PROVIDE MEANS TO FLUSH BRANCH PIPING

WITHOUT FLOWING THROUGH COIL AND CONTROL VALVE.

ARRANGE PIPING TO PERMIT REMOVAL OF COIL.

FOR STACKED OR SPLIT COILS THE INSTALLATION OF EACH COIL

SHALL INCLUDE AN ISOLATION VALVE, P/T PORT, AND FLANGED OR

UNION CONNECTION FOR EACH PIPE, A BALANCING VALVE IN EACH

RETURN, AND A DRAIN TEE FOR EACH COIL. RELATIVE POSITIONS OF

COMPONENTS TO BE AS ILLUSTRATED IN THIS DETAIL.

CALIBRATED BALANCING VALVE

3/4" DRAIN VALVE WITH HOSE

CONNECTIONS WITH CAP (TYP)

CAPPED TEE FOR

FLUSHING (TYP)

ISOLATION VALVE (TYP)

CALIBRATED FLOW

MEASURING DEVICE

OR VENTURI WITH P/T PORTS.

PRESSURE INDEPENDENT

2-WAY MODULATING

CONTROL VALVE

MANUAL AIR VENT

UNLESS SPECIFIED TO BE AUTOMATIC

UNION OR FLANGES (TYP)

STRAINER

PRESSURE GAGE (TYP)

THERMOMETER 50-250 °F (TYP)

P/T PORT (TYP)

VIRGINIA BEACH, VA 23462

SUITE 1400

757·455·5800 FAX 757·455·5638

WWW.CLARKNEXSEN.COM

4525 MAIN STREET

SATISFACTORY TO DATE

APPROVED

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

A

B

C

D

1 2 3 4 5

1 2 3 4 5

A

B

C

D

SCALE:

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

DES DRW CHK

OF

EPROJECT NO.:

D E

P A

R T

M E

N T

O F

T H

E N

A V

Y N

A V

A L

F A

C

IL

IT

IE

S E

N G

IN

E

E R

IN

G

C O

M M

A N

D

DRAWFORM REVISION: 7 FEBRUARY 2019

PM/DM

BRANCH MANAGER

CHIEF ENG/ARCH

FIRE PROTECTION

N A

V A

L F

A C

IL

IT

IE

S

E N

G

IN

E E

R

IN

G C

O M

M A

N D

M

ID

-A

T L A

N T

IC

N

A V

A L

S T

A T

IO

N

N

O R

F O

L K

V

A

AS NOTED

UNCLASSIFIED

UNCLASSIFIED

U N

C

LA

S S

IF

IE

D

XXXXX-XX-X-XXXX

1572053

M-501

P S

O F

M O

T O

R T

R A

N S

P O

R T

M A

IN

T

E N

A N

C E

E X

P A

N S

IO

N

S

IT

E

D E

T A

IL

S

DAC

12827125

JRS JDD

12/2/2020

APPROVED BY SOFIA SCHWARTZ, DEPUTY DIRECTOR

OF INSTALLATION DEVELOPMENT, WITH MCB CAMP

LEJEUNE, VIA EMAIL

SGL/JPC

JA

C

K S

O N

V

IL

LE

, N

C M

C B

C A

M P

L E

JE

U

N E

EJA

ALG

S Y

M D

E S

C R

IP

TI

O N

D A

TE

A

P P

R

N O

R T H

C A R O L I N

A

P R

OF E S S I ONA

L

D W

A Y N E A L L A N

CA

R R

034339

SEAL

E NG I N E E R

clacross

COIL

ELEVATION

SECTION

SEE NOTE

STEEL PIPE

2" X 2" ANGLE IRON

PIPE INSULATION

5/8" (MINIMUM) DIA HEAVYSCREW

ANCHOR. MIN TENSION CAPACITY = 500

LB. 2 PER ANGLE

4" X 12" X 3/8" STEEL ANCHOR PLATE.

WELD TO PIPE, BOTH SIDES

3" X 3" X 3/8" STEEL

ANGLE

WELD BOTH SIDES OF ANCHOR PLATE TO PIPE

WITH 3/16 INCH FILLET WELD

STEEL PIPE,

2 1/2" DIA MAX

3' -0

M

A X

3/16

3/16

EA

END

1/4

1/4

EA

END

NO SCALE

PIPE ANCHOR DETAIL

NOTE: EXPANSION TYPE HANGERS BETWEEN MOMENT GUIDES AND ANCHOR ON EACH

SIDE OF ANCHOR

MOMENT GUIDE LOCATED 14

FEET EACH SIDE OF ANCHOR

MOMENT GUIDE LOCATED 14

FEET EACH SIDE OF ANCHOR

2" X 2" X 1/4" STEEL

ANGLE

HORIZONTAL DUCTWORK SUPPORT SCHEDULE

PAIR AT 10FT

SPACING

P/2=30"

MAXIMUM HALF OF

DUCT PERIMETER

P/2=72"

P/2=96"

P/2=120"

P/2=168"

STRAP WIRE/ROD

1"x22ga 10ga(.135")

1"x18ga

1"x16ga

11/2"x16ga

11/2"x22ga

3/8"

3/8"

1/2"

1/2"

PAIR AT 8FT

SPACING

STRAP WIRE/ROD

1"x22ga 10ga(.135")

1"x20ga 1/4"

1"x18ga 3/8"

1"x16ga 3/8"

1/2"11/2"x16ga

PAIR AT 5FT

SPACING

STRAP WIRE/ROD

1"x22ga 12ga(.106")

1"x22ga 1/4"

1"x20ga 3/8"

1"x18ga 3/8"

3/8"1"x16ga

STRAP WIRE/ROD

1"x22ga 12ga(.106")

1"x22ga 1/4"

1"x22ga 1/4"

1"x20ga 1/4"

3/8"

PAIR AT 4FT

SPACING

1"x18ga

24" DIA. MAX

(WIRE HANGERS

NOT PERMITTED)

42" DIA. MAX

STRAP

HANGER

LOAD RATED

FASTENER

BAND (1)

11/2"x18ga

NO SCALE

TYPICAL HORIZONTAL ROUND DUCT

SUPPORTS DETAIL AND SCHEDULE

NOTES:

1. HANGER SIZE.

2. FOR DUCT ATTACHMENT TO BUILDING CONSTRUCTION. SEE TABLE BELOW FOR HORIZONTAL DUCTWORK SUPPORT

SCHEDULE.

3. FOR SEISMIC REQUIREMENTS REFER TO (NUSIG) NATIONAL UNIFORM SEISMIC INSTALLATION GUIDELINES.

4. HANG EACH DUCT INDEPENDENTLY.

5. HANGER STRAPS AND RODS ARE TO BE VERTICAL.

6. HANG FROM STRUCTURE.

RETURN AIR

SUPPLY AIR

45°

6"

BRANCH DUCT

NO SCALE

BRANCH DUCT CONNECTION DETAIL

FACTORY INSULATED FLEXIBLE DUCT

(WHERE ALLOWED), FULL NECK SIZE OF

DIFFUSER. 5' - 0" MAXIMUM LENGTH

CEILING

SEALANT AND CLAMP

SEALANT AND CLAMP

2 TIMES THE DUCT DIAMETER

NO SCALE

FLEXIBLE DUCT CONNECTION DETAIL

DIFFUSER

RIGID DUCT MINIMUM LENGTH OF

NO SCALE

SINGLE DUCT VAV TERMINAL UNIT DETAIL

METAL STRAP HANGERS SECURED

TO VAV & TO STRUCTURE (TYP)

MIN. 3 DUCT DIAM.

STRAIGHT RIGID DUCT ON

AIR TERMINAL INLET

COMPRESSION STRAP

TO ENSURE

AIRTIGHT JOINT

AIR TERMINAL

CONTROL PANEL

HEATING WATER COIL

DUCT

FLEXIBLE DUCT

12-INCHES MAXIMUM

LENGTH

NO SCALE

FAN COIL UNIT AND UNIT HEATER HEATING WATER COIL PIPING DETAIL

RETURN

SUPPLY

B3B2

C2

A1 A2 A4

NOTES

DRAIN TEE CONNECTIONS PROVIDE MEANS TO FLUSH COIL

INDEPENDENT OF THE REMAINDER OF THE SYSTEM AND WITHOUT

FLOWING THROUGH THE CONTROL VALVE.

THE CONTROL VALVES AND AUTOMATIC FLOW CONTROL VALVES SHALL

BE INSTALLED IN CONFORMANCE WITH THE VALVE MFGR'S

RECOMMENDED SPACING UPSTREAM AND DOWNSTREAM FROM

CHANGES IN PIPE DIRECTION, AND/OR OTHER VALVES AND

COMPONENTS IN THE PIPING.

CALIBRATED FLOW MEASURING DEVICE OR VENTURI AND AUTOMATIC

FLOW CONTROL VALVE MAY BE COMBINED INTO ONE ASSEMBLY.

PROVIDE 2 PIPE DIAMETERS DOWNSTREAM AND 5 UPSTREAM OF

CALIBRATED FLOW MEASURING DEVICE OR VENTURI.

ONLY STRAIGHT STEEL OR COPPER PIPE SHALL BE BETWEEN THE P/T

PORT AND THE COIL AND THE MAXIMUM LENGTH OF PIPE IS TO BE 5 LF.

ISOLATION VALVES ARE TO BE OF THE VALVE TYPE SPECIFIED AND TO

BE INSTALLED TO ALLOW SERVICE AND REMOVAL OF ALL EQUIPMENT,

ACCESSORIES, AND APPURTENANCES WITHOUT SYSTEM SHUTDOWN.

AIR VENT TO BE INSTALLED SO THE POINT OF THE VENT PIPING

CONNECTION IS ABOVE THE HIGHEST POINT OF THE COIL AND ITS

AFFILIATED PIPING. AIR VENT MAY BE PART OF THE COIL OR INSTALLED

SEPARATELY.

TEE CONNECTIONS PROVIDE MEANS TO FLUSH BRANCH PIPING

WITHOUT FLOWING THROUGH COIL AND CONTROL VALVE.

ARRANGE PIPING TO PERMIT REMOVAL OF COIL.

PROVIDE 3-WAY VALVES WHERE INDICATED ON THE DRAWINGS. SEE

THE CHILLED WATER CONTROL AND FLOW DETAIL.

PIPING COMPONENTS ARE INSTALLED BY, AND INCLUDED WITH, THE

PACKAGED FCU.

CONTROL VALVES, RELAYS, TRANSFORMERS, AND CONTROLLERS ARE

TO BE PROVIDED BY THE CONTROLS CONTRACTOR TO THE FCU

MANUFACTURER, WHO INSTALLS THEM.

FOR STACKED OR SPLIT COILS THE INSTALLATION OF EACH COIL SHALL

INCLUDE AN ISOLATION VALVE, P/T PORT, AND FLANGED OR UNION

CONNECTION FOR EACH PIPE, A BALANCING VALVE IN EACH RETURN,

AND A DRAIN TEE FOR EACH COIL. RELATIVE POSITIONS OF

COMPONENTS TO BE AS ILLUSTRATED IN THIS DETAIL.

CALIBRATED FLOW MEASURING

DEVICE OR VENTURI

DEVICE WITH P/T PORTS.

3/4" DRAIN VALVE WITH HOSE

CONNECTIONS WITH CAP (TYP)

ISOLATION VALVE (TYP)

CAPPED TEE FOR

FLUSHING (TYP)

MANUAL AIR VENT UNLESS

SPECIFIED TO BE AUTOMATIC

3-WAY 2-POSITION OR 2-WAY

2-POSITION CONTROL VALVE

BALANCING VALVE

UNION (TYPICAL)

STRAINER

P/T PORT (TYP)

VOLUME DAMPER

(WHERE INDICATED)

INSULATION

RIGID ELBOW

VIRGINIA BEACH, VA 23462

SUITE 1400

757·455·5800 FAX 757·455·5638

WWW.CLARKNEXSEN.COM

4525 MAIN STREET

SATISFACTORY TO DATE

APPROVED

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

A

B

C

D

1 2 3 4 5

1 2 3 4 5

A

B

C

D

SCALE:

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

DES DRW CHK

OF

EPROJECT NO.:

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DRAWFORM REVISION: 7 FEBRUARY 2019

PM/DM

BRANCH MANAGER

CHIEF ENG/ARCH

FIRE PROTECTION

N A

V A

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A C

IL

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IN

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O M

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AS NOTED

UNCLASSIFIED

UNCLASSIFIED

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XXXXX-XX-X-XXXX

1572053

M-502

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DAC

12827126

JRS JDD

12/2/2020

APPROVED BY SOFIA SCHWARTZ, DEPUTY DIRECTOR

OF INSTALLATION DEVELOPMENT, WITH MCB CAMP

LEJEUNE, VIA EMAIL

SGL/JPC

JA

C

K S

O N

V

IL

LE

, N

C M

C B

C A

M P

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OF E S S I ONA

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A Y N E A L L A N

CA

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034339

SEAL

E NG I N E E R

clacross

GENERAL

1. ALL MECHANICAL EQUIPMENT AND INSTALLATIONS SHALL YIELD COMPLETE OPERATIONAL SYSTEMS THAT CONFORM TO THE REQUIREMENTS OF THE APPLICABLE LOCAL ORDINANCES AND CODES

INCLUDING BUT NOT LIMITED TO THE INTERNATIONAL BUILDING CODES, UFC REQUIREMENTS, AND UNDERWRITERS LABORATORIES (OR ETL).

2. THE CONTRACT DOCUMENTS ARE BASED ON EQUIPMENT OF SPECIFIC MANUFACTURERS. IF THE CONTRACTOR SUBMITS OR PROPOSES TO USE EQUIPMENT OTHER THAN THAT USED ON THE CONTRACT

DOCUMENTS THEN THE CONTRACTOR SHALL BE RESPONSIBLE FOR ANY DESIGN AND INSTALLATION REVISIONS AT NO ADDITIONAL COST TO THE PROJECT. REVISIONS INCLUDE BUT ARE NOT LIMITED TO, CHANGES IN EQUIPMENT DIMENSIONS OR WEIGHT, ACCESS REQUIREMENTS, ORIENTATION AND CONNECTIONS, AND ELECTRICAL REQUIREMENTS.

3. EQUIPMENT OF A SIMILAR TYPE SHALL BE THE PRODUCT OF A SINGLE MANUFACTURER.

4. DO NOT SCALE DRAWINGS. DRAWINGS ARE DIAGRAMMATIC.

5. CONTRACTORS ARE TO PREPARE AND SUBMIT COORDINATION DRAWINGS IN ACCORDANCE WITH SPECIFIC REQUIREMENTS. COORDINATION DRAWINGS SHALL BE COMPLETED AND REVIEWED PRIOR TO

THE PURCHASING OF ANY EQUIPMENT.

6. INSTALLATION OF PIPING, DUCTWORK, AND EQUIPMENT SHALL NOT BE STARTED PRIOR TO SUBMISSION AND APPROVAL OF THE CONTRACTOR DEVELOPED COORDINATION DRAWINGS THAT INCLUDE, BUT ARE NOT LIMITED TO, SHOWING PLUMBING, FIRE SUPPRESSION, HVAC, ARCHITECTURAL, STRUCTURAL, ELECTRICAL POWER, LIGHTING AND TELECOM WORK. ANY WORK INSTALLED PRIOR TO THE

APPROVAL OF THE COORDINATION DRAWINGS MAY NEED TO BE REMOVED, RELOCATED, OR ADJUSTED WITH NO IMPACT ON THE PROJECT SCHEDULE OR PROJECT COST.

7. SHOP DRAWINGS INCLUDING, BUT NOT LIMITED TO, PRODUCT INFORMATION SHALL BE SUBMITTED TO AND APPROVED BY THE ARCHITECT BEFORE ANY MECHANICAL EQUIPMENT IS ORDERED, PURCHASED, RELEASED, OR FABRICATED. SHOP DRAWINGS AND SUBMITTALS SHALL INCLUDE PRODUCT INFORMATION FOR ALL EQUIPMENT SPECIFIED OR SCHEDULED ON THE DRAWINGS;

COORDINATION DRAWINGS SHALL BE COMPLETED AND REVIEWED PRIOR TO THE PURCHASING OF ANY EQUIPMENT.

8. ALL MATERIALS AND EQUIPMENT WILL BE INSTALLED IN ACCORDANCE WITH MANUFACTURERS RECOMMENDATIONS FOR THE INTENDED PURPOSE. USE THE MORE STRINGENT METHODS WHEN

MANUFACTURERS RECOMMENDATIONS AND PLANS AND SPECIFICATION INFORMATION DIFFER. BRING ANY CONFLICTS BETWEEN MANUFACTURERS RECOMMENDATIONS AND PLANS AND SPECIFICATIONS

REQUIREMENTS TO THE GOVERNMENTS ATTENTION.

9. ALL EQUIPMENT AND MATERIALS INSTALLED IN AIR PLENUMS SHALL BE COMPLIANT WITH THE REQUIREMENTS FOR PLENUM INSTALLATIONS.

10. BEFORE THE PROJECT IS CONSIDERED SUBSTANTIALLY COMPLETE, THE ENTIRE HVAC SYSTEM SHALL BE TESTED, ADJUSTED, AND BALANCED IN ACCORDANCE WITH AABC OR NEBB STANDARDS, TO

DELIVER THE AIR AND WATER FLOW QUANTITIES SHOWN ON THE DRAWINGS. A CERTIFIED TEST AND BALANCE REPORT SHALL BE SUBMITTED TO, AND APPROVED BY THE ENGINEER. FURNISH AND

INSTALL ADJUSTMENT AND BALANCING DEVICES, (DAMPERS, VALVES, AND SHEAVES) AS REQUIRED AT NO ADDITIONAL COST TO THE PROJECT.

11. PERMANENTLY MARK FINAL SETTINGS ON BALANCING DEVICES.

12. ALL MECHANICAL EQUIPMENT AND SYSTEMS SHALL BE GUARANTEED FOR A PERIOD OF TWELVE MONTHS AFTER ACCEPTANCE BY OWNER.

13. AT SUBSTANTIAL COMPLETION ALL FILTERS IN ALL MECHANICAL EQUIPMENT SHALL BE NEW AND CLEAN.

14. CONTRACTOR TO PROVIDE A LISTING OF THE HVAC FILTERS FOR EACH PIECE OF EQUIPMENT ALONG WITH THE DIMENSIONS (WIDTH, HEIGHT, THICKNESS, AND EFFICIENCY) AND TYPE. CONTRACTOR TO

PROVIDE TWO EXTRA SETS OF FILTERS. CONTRACTOR TO PROVIDE AND CHANGE ALL FILTERS AT SECOND SEASON OF TEST AND BALANCE (TAB). IN ALL CONTRACTOR TO PROVIDE 5 SETS OF FILTERS; 1

FOR START-UP, 3 FOR THE GOVERNMENT, AND 1 AT THE SECOND SEASON OF TAB.

15. FURNISH AND INSTALL DUCTWORK AND PIPE TRANSITIONS REQUIRED AT EQUIPMENT CONNECTIONS.

16. CONTRACTOR SHALL COORDINATE THE INSTALLATION OF ALL MECHANICAL EQUIPMENT, DUCTWORK, ETC. TO FIT WITHIN THE SPACE ALLOWED BY THE ARCHITECTURAL AND STRUCTURAL CONDITIONS.

CUTTING OR OTHERWISE ALTERING ANY STRUCTURAL MEMBERS SHALL NOT BE PERMITTED WITHOUT WRITTEN PERMISSION FROM THE ARCHITECT.

17. LOCATE ALL EQUIPMENT TO PRODUCE UNOBSTRUCTED ACCESS TO EQUIPMENT ACCESS PANELS, CONTROLS, AND VALVING.

18. FURNISH AND INSTALL ACCESS DOORS AND PANELS IN NON-ACCESSIBLE CEILINGS AND IN WALL STRUCTURES TO YIELD ADEQUATE SPACE FOR MAINTENANCE OF EQUIPMENT AND BALANCING OF

SYSTEMS. ACCESS DOORS AND PANELS SHALL BE INSTALLED WHERE SHOWN ON THE DRAWINGS OR AS NECESSARY TO PRODUCE ACCESS TO DAMPERS, VALVES, ETC. COORDINATE EXACT LOCATION

OF ALL ACCESS PANELS AND DOORS WITH THE ARCHITECT DURING THE SHOP DRAWING PROCESS.

19. INSTALL DUCT MOUNTED ACCESS DOORS AND PANELS FOR INSPECTION AND REPAIR AT ALL MOTOR OPERATED DAMPERS. INSTALL ACCESS DOORS AND PANELS IN DUCTWORK FOR OPERATION, ADJUSTMENT, AND MAINTENANCE OF ALL FANS, VALVES, AND MECHANICAL EQUIPMENT. INSTALL DOORS TO SWING AGAINST DUCT STATIC PRESSURE. MINIMUM ACCESS PANEL OR DOOR SIZE SHALL BE

5-INCHES BY 8-INCHES. SIZE PANELS AND DOORS 2-INCHES SMALLER THAN THE DUCT DIMENSION IN WHICH THE DOOR IS INSTALLED UP TO 24-INCHES MAXIMUM.

20. INSTALL ALL TEMPERATURE, PRESSURE, AND FLOW MEASURING DEVICES IN ACCESSIBLE LOCATIONS WHERE THE MANUFACTURER'S RECOMMENDED MINIMUM LENGTHS OF STRAIGHT DUCTWORK OR

PIPE ARE PROVIDED UPSTREAM AND DOWNSTREAM OF THE DEVICE.

21. FURNISH AND INSTALL A THERMOSTAT, OR IF CONTROL IS THRU A CONTROL SYSTEM THEN A TEMPERATURE SENSOR, FOR ANY DEVICE REQUIRING A THERMOSTAT OR SENSOR FOR CONTROL WHETHER

THE THERMOSTAT OR SENSOR IS INDICATED ON THE DRAWINGS OR NOT.

22. PRIOR TO INSTALLATION OBTAIN APPROVAL FROM ARCHITECT FOR LOCATIONS OF ALL THERMOSTATS AND SENSORS LOCATED EXPOSED IN FINISHED AREAS.

23. PRIOR TO INSTALLATION, THE MECHANICAL CONTRACTOR SHALL COORDINATE WITH ALL TRADES THE LOCATIONS OF AIR CONDITIONING EQUIPMENT INSTALLED OUTDOORS.

24. AIR CONDITIONING EQUIPMENT INSTALLED OUTDOORS AT GRADE SHALL BE INSTALLED LEVEL ON 4-INCH THICK REINFORCED CONCRETE PADS THAT EXTEND 6-INCHES BEYOND THE PERIMETER OF THE

EQUIPMENT.

25. FREEZESTATS OR LOW LIMIT SENSORS FOR AIR STREAMS ARE TO BE SERPENTINE TUBE TYPE INSTALLED IN A VERTICAL PLANE TO DETECT TEMPERATURE ACROSS THE CROSS SECTIONAL AREA OF THE

AIR FLOW.

ELECTRICAL COORDINATION

26. CONTRACTOR SHALL COORDINATE ELECTRICAL CHARACTERISTICS AND REQUIREMENTS OF ALL MECHANICAL EQUIPMENT WITH THE ELECTRICAL DRAWINGS AND ELECTRICAL CONTRACTOR BEFORE

ANY PRODUCT INFORMATION OR SHOP DRAWINGS ARE SUBMITTED AND BEFORE ANY EQUIPMENT IS ORDERED. THE ELECTRICAL CHARACTERISTICS (VOLTAGE, PHASE, OVERLOAD PROTECTION, ETC.) OF

THE EQUIPMENT FURNISHED SHALL BE COMPATIBLE WITH THE ELECTRICAL CHARACTERISTICS SHOWN ON THE DRAWINGS. ON SHOP DRAWING SUBMITTALS THE MECHANICAL CONTRACTOR SHALL

STATE THAT THE ELECTRICAL CHARACTERISITICS OF ALL EQUIPMENT HAS BEEN COORDINATED WITH THE ELECTRICAL CONTRACT DOCUMENTS AND THE ELECTRICAL CONTRACTOR.

27. ALL MECHANICAL EQUIPMENT REQUIRING ELECTRICAL POWER SHALL BE INSTALLED WITH DISCONNECT SWITCHES AND STARTERS WHETHER THEY ARE AN INTEGRAL COMPONENT OF THE

MANUFACTURER'S EQUIPMENT OR NOT. COORDINATE SWITCH TYPE (FUSED OR NON-FUSED) WITH EQUIPMENT CHARACTERISTICS, MANUFACTURER'S RECOMMENDATIONS, ELECTRICAL DRAWINGS, AND

ELECTRICAL CONTRACTOR.

28. ALL REQUIRED CONTROL WIRING FOR HVAC AND PLUMBING, INCLUDING POWER WIRING REQUIRED FOR CONTROL PANELS, ACTUATORS, DEVICES, ETC., SHALL BE INCLUDED AS PART OF THE

MECHANICAL WORK. WIRING, INCLUDING THAT IN HVAC PLENUM SPACES, SHALL BE INSTALLED ACCORDING TO CODE REQUIREMENTS.

29. UNLESS NOTED OTHERWISE, STARTERS, TRANSFORMERS, CONTROLS, AND CONTROL WIRING REQUIRED FOR ALL MECHANICAL SYSTEMS SHALL BE FURNISHED AND INSTALLED BY THE MECHANICAL

CONTRACTOR. SEE ELECTRICAL SPECIFICATIONS FOR WIRING REQUIREMENTS.

30. PROVIDE PHASE MONITORS ON ALL 3-PHASE EQUIPMENT.

SMOKE DETECTION

31. SMOKE DETECTORS SHALL BE INSTALLED (A)WHERE INDICATED ON THE DRAWINGS, (B) IN THE RETURN AIR PATH OF ALL FAN SYSTEMS SUPPLYING MORE THAN 2000 CFM OF AIR EXCEPT WHERE THE AIR

DISTRIBUTION SYSTEM IS INCAPABLE OF SPREADING SMOKE BEYOND THE ENCLOSING WALLS, FLOOR, AND CEILING OF THE SPACE OR ROOM.

32. DUCT SMOKE DETECTOR SELECTION AND LOCATION SHALL BE COORDINATED WITH THE ELECTRICAL CONTRACTOR AND ENGINEER. SMOKE DETECTORS SHALL BE WIRED TO STOP THEIR AFFILIATED

FAN, OR FANS. UPON DETECTION OF SMOKE, THE SMOKE DETECTORS SHALL COMMUNICATE TO THE BUILDING FIRE ALARM PANEL THAT THE COMMAND TO CLOSE THE DAMPER HAS BEEN GENERATED.

SMOKE DETECTOR TROUBLE CONDITIONS SHALL BE IDENTIFIED AS AIR DUCT DETECTOR TROUBLE. SMOKE DETECTORS SHALL BE FURNISHED BY THE ELECTRICAL CONTRACTOR, MOUNTED IN THE

DUCTS BY THE MECHANICAL CONTRACTOR, AND WIRED BY THE ELECTRICAL CONTRACTOR.

33. ALL PIPE AND DUCT PENETRATIONS OF FIRE-, SMOKE-, OR FIRE- AND SMOKE-RATED ASSEMBLIES SHALL BE FIRE-STOPPED AS REQUIRED TO PRODUCE A RATED ASSEMBLY. FIRE BARRIER PRODUCTS

SHALL BE AS MANUFACTURED BY 3M CO., HILTI INC., OR OTHER APPROVED MANUFACTURER. ACCEPTABLE PRODUCTS ARE HILTI FS-ONE, CP 606, CP648 WRAP STRIP, OR CP680 CAST-IN DEVICE SYSTEMS, OR AS RECOMMENDED BY THE MANUFACTURER FOR A PARTICULAR APPLICATION OR AN EQUIVALENT SYSTEM AS APPROVED BY LOCAL CODE OFFICIALS.

34. DUCTWORK THAT IS ROUTED PARALLEL TO RATED WALLS SHALL BE INSTALLED A MINIMUM OF 6-INCHES FROM RATED WALLS.

35. FOR DUCTWORK PENETRATING FIRE RATED WALLS INSTALL ADDITIONAL SUPPORTS FOR DUCTWORK LOCATED ON EITHER SIDE OF, AND WITHIN 18-INCHES OF, FIRE RATED WALLS. DUCTWORK OR PIPING

SHALL NOT BE SUPPORTED FROM ANY FIRE RATED WALL.

GENERAL DUCTWORK AND AIR DISTRIBUTION

36. LOCATIONS OF AIR DISTRIBUTION DEVICES, GRILLES, REGISTERS, AND DIFFUSERS, SHOWN ON THE DRAWINGS ARE APPROXIMATE. COORDINATE EXACT LOCATIONS WITH LIGHTS, CEILING GRID, SPRINKLER PIPING, ETC., AND WITH THE ARCHITECTURAL CEILING PLAN.

37. LOCATE AIR SUPPLIES AND RETURNS A MINIMUM OF 3-FEET DISTANCE FROM AREA SMOKE DETECTORS.

38. FLEX CONNECTORS SHALL BE USED FOR ALL CONNECTIONS BETWEEN SHEET METAL DUCTWORK AND MOTOR DRIVEN EQUIPMENT AND AT ALL LOCATIONS WHERE DUCTWORK CROSSES BUILDING

EXPANSION JOINTS. FLEX CONNECTORS SHALL NOT BE USED FOR HIGH HEAT CONNECTIONS.

39. PORTIONS OF DUCTWORK THAT ARE VISIBLE THROUGH AIR DISTRIBUTION DEVICES LOCATED IN FINISHED AREAS SHALL BE PAINTED FLAT BLACK.

40. ALL DUCTWORK SHALL BE SUPPORTED BY THE BUILDING STRUCTURE AND SHALL NOT REST ON CEILING TILES OR THE CEILING SUPPORT STRUCTURE. DUCT SUPPORTS AND ATTACHMENTS TO THE

STRUCTURE SHALL BE PER SMACNA STANDARDS.

41. DUCTWORK DIMENSIONS SHOWN ON THE DRAWINGS ARE INSIDE CLEAR DIMENSIONS.

42. EXCEPT FOR SUPPLY DUCTWORK BETWEEN AIR HANDLERS AND VAV TERMINAL UNITS, BALANCING DAMPERS SHALL BE INSTALLED WHERE THE BRANCH DUCT JOINS THE MAIN FOR ALL BRANCHES THAT

CONNECT TO SUPPLY, RETURN, AND EXHAUST OUTLETS AND INLETS WHETHER THE DAMPER IS SHOWN ON THE DRAWINGS OR NOT.

43. CONCENTRIC AND ECCENTRIC TRANSITIONS SHALL BE MADE UPSTREAM OF CONVERGING BRANCHES AND DOWNSTREAM OF DIVERGING BRANCHES. IN THE CONVERGING SITUATION THE DUCT AREA

SHALL INCREASE BEFORE THE BRANCH AIRFLOW JOINS THE MAIN FLOW AND IN THE DIVERGING SITUATION THE DUCT AREA SHALL DECREASE AFTER THE BRANCH AIRFLOW LEAVES THE MAIN AIRFLOW.

A MINIMUM OF SIX INCHES OF STRAIGHT DUCT SHALL BE BETWEEN THE BRANCH AND TRANSITION FITTINGS. THE MAXIMUM ANGLE FOR CONCENTRIC TRANSITIONS SHALL BE 45 DEGREES FOR

DIVERGING AND 60 DEGREES FOR CONVERGING AND THE MAXIMUM ANGLE FOR ECCENTRIC TRANSITIONS SHALL BE 30 DEGREES.

44. DUCTWORK OR PLENUMS INTO WHICH MOISTURE, OR PRECIPITATION, MAY ENTER OR ACCUMULATE, SUCH AS DUCTWORK CONNECTED TO LOUVERS, SHALL BE INSTALLED TO PRODUCE A MEANS OF

DRAINAGE. MEANS OF DRAINAGE MAY INCLUDE, BUT NOT BE LIMITED TO, SLOPING AND DRAINS.

45. OVERHEAD DUCTWORK SHALL BE INSTALLED TIGHT TO STRUCTURE WITH SPACE ALLOWED FOR INSULATION, UNLESS NOTED OTHERWISE.

46. IN ALL AREAS EXCEPT MECHANICAL ROOMS DUCTWORK THAT IS EXPOSED AND SHOWN AS ROUND OR FLAT OVAL SHALL BE DOUBLE WALL SPIRAL WITH INSULATION IN-BETWEEN THE WALLS IF THE

SERVICE REQUIRES THERMAL INSULATION.

47. WHERE DRAWINGS INDICATE THAT OPEN ENDS OF DUCTWORK ARE TO BE COVERED BY MESH, WIRE MESH, OR SCREEN, THE WIRE MESH SHALL BE 1/2-INCH BY 1/2-INCH ALUMINUM WITH WIRE THICKNESS

0.063-INCHES UNLESS OTHERWISE NOTED.

HVAC AIR DUCT LEAKAGE

48. LEAKAGE TEST PROCEDURES SHALL FOLLOW THE SMACNA HVAC AIR DUCT LEAKAGE TEST MANUAL. TESTS AND NECESSARY REPAIR OF DUCTWORK SHALL BE COMPLETED PRIOR TO CONCEALMENT OF

DUCTS. THE REQUIREMENTS FOR LEAK TESTING ARE DESCRIBED IN THE SPECIFICATIONS.

49. IF A TESTED SPECIMEN FAILS TO MEET SPECIFIED AIR LEAKAGE CRITERIA, THE CONTRACTOR SHALL MODIFY FABRICATION METHODS TO BRING CONSTRUCTION INTO COMPLIANCE AND SHALL RETEST

SPECIMEN UNTIL ACCEPTABLE DUCT AIR LEAKAGE IS DEMONSTRATED.

METAL AND FLEXIBLE DUCTWORK MATERIALS AND CONSTRUCTION

50. ALL JOINTS AND SEAMS IN ALL NON-WELDED SHEET METAL DUCTWORK SHALL BE SEALED WITH DUCT SEALER.

51. SIZE FLEXIBLE DUCT TO MATCH DEVICE NECK. INSTALL ADAPTORS, INCLUDING RECTANGULAR OR SQUARE TO ROUND ADAPTERS OR BOOTS, FOR CONNECTION OF ROUND FLEXIBLE DUCTS TO AIR

DEVICE NECKS WHEN REQUIRED. INSTALL ROUND GALVANIZED STEEL DUCT RUNOUTS TO ACHIEVE FLEXIBLE DUCT LENGTHS OF 5'_0" OR LESS.

52. FLEXIBLE DUCTWORK SHALL BE INSTALLED AS STRAIGHT AS POSSIBLE AND SHALL BE ROUTED AND SUPPORTED WITHOUT FORMING CRIMPS OR OTHER AIRFLOW RESTRICTIONS.

53. FLEXIBLE DUCTWORK SHALL NOT TO BE USED TO MAKE DIRECTIONAL CHANGES WHERE THE RADIUS OF CURVATURE IS REQUIRED TO BE LESS THAN TWO TIMES THE FLEXIBLE DUCT'S DIAMETER.

54. FLEXIBLE DUCTWORK SHALL BE INSTALLED WITH BAND HANGERS MINIMUM 1-INCH WIDE. MAXIMUM SAG SHALL NOT EXCEED ONE HALF-INCH PER FOOT OF LENGTH. MAXIMUM SUPPORT SPACING SHALL

BE 5-FEET.

55. FLEXIBLE DUCTWORK SHALL NOT BE INSTALLED THROUGH FIRE, SMOKE, OR FIRE AND SMOKE RATED PARTITIONS.

COOLING COIL CONDENSATE

56. CONDENSATE FROM ALL AIR CONDITIONING EQUIPMENT SHALL BE TRAPPED, SLOPED TO DRAIN, AND ROUTED TO DISCHARGE WHERE INDICATED, IF NO LOCATION IS INDICATED DISCHARGE AT THE

NEAREST FLOOR DRAIN UNLESS INDICATED OTHERWISE. WHERE INDICATED TO BE PUMPED CONDENSATE MAY BE PUMPED WITH CONTROLS INCLUDED AS REQUIRED BY CODE. DRAIN LINES SHALL BE

ROUTED TO AVOID INTERFERENCE WITH PASSAGEWAYS AND MAINTENANCE AND TO AVOID CREATING TRIPPING HAZARDS.

57. THE MINIMUM PIPE SIZE FOR CONDENSATE DRAIN LINES SHALL BE 3/4-INCHES DIAMETER.

58. ALL CONDENSATE PRODUCING AIR HANDLING UNITS, FAN COIL UNITS, AND EQUIPMENT LOCATED ABOVE THE FINISHED CEILING OF THE LOWEST LEVEL SHALL BE INSTALLED WITH A CODE COMPLIANT

CONDENSATE DRAINAGE SYSTEM. THE SYSTEM MAY CONSIST OF ONE OF THE FOLLOWING: (A) A CODE COMPLIANT AUXILIARY DRAIN PAN LOCATED UNDER THE COILS EQUIPPED WITH A UL508 WATER

LEVEL SWITCH LOCATED IN THE PAN THAT DE-ACTIVATES THE UNIT UPON DETECTION OF WATER PRIOR TO OVERFLOW OF THE PAN; OR IF ACCEPTABLE TO THE AUTHORITY HAVING JURISDICTION THE

FOLLOWING MAY BE USED IN LIEU OF THE AUXILIARY PAN, (B) A CODE COMPLIANT DEVICE AND INSTALLATION INCLUDING AN ELECTRONIC WATER DETECTOR WIRED TO SHUTDOWN THE UNIT IN THE

EVENT THAT THE PRIMARY DRAIN LINE IS BLOCKED.

MECHANICAL NOTES MECHANICAL NOTES - CONTINUED

VIRGINIA BEACH, VA 23462

SUITE 1400

757·455·5800 FAX 757·455·5638

WWW.CLARKNEXSEN.COM

4525 MAIN STREET

SATISFACTORY TO DATE

APPROVED

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

A

B

C

D

1 2 3 4 5

1 2 3 4 5

A

B

C

D

SCALE:

CONSTR. CONTR. NO.

SHEET

NAVFAC DRAWING NO.

DES DRW CHK

OF

EPROJECT NO.:

D E

P A

R T

M E

N T

O F

T H

E N

A V

Y N

A V

A L

F A

C

IL

IT

IE

S E

N G

IN

E

E R

IN

G

C O

M M

A N

D

DRAWFORM REVISION: 7 FEBRUARY 2019

PM/DM

BRANCH MANAGER

CHIEF ENG/ARCH

FIRE PROTECTION

N A

V A

L F

A C

IL

IT

IE

S

E N

G

IN

E E

R

IN

G C

O M

M A

N D

M

ID

-A

T L A

N T

IC

N

A V

A L

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N

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AS NOTED

UNCLASSIFIED

UNCLASSIFIED

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XXXXX-XX-X-XXXX

1572053

M-701

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LE

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DAC

12827127

JRS JDD

12/2/2020

APPROVED BY SOFIA SCHWARTZ, DEPUTY DIRECTOR

OF INSTALLATION DEVELOPMENT, WITH MCB CAMP

LEJEUNE, VIA EMAIL

SGL/JPC

JA

C

K S

O N

V

IL

LE

, N

C M

C B

C A

M P

L E

JE

U

N E

EJA

ALG

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M D

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A Y N E A L L A N

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SEAL

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clacross

MECHANICAL NOTES - CONTINUED

ROOFTOP EQUIPMENT AND LOUVERS

59. ALL ROOF MOUNTED EQUIPMENT SHALL BE INSTALLED LEVEL. CONTRACTOR SHALL COORDINATE ROOF SLOPE WITH ARCHITECTURAL DRAWINGS.

60. UNLESS NOTED OTHERWISE, ROOF CURBS SHALL BE CUSTOM CURB OR APPROVED EQUAL. ROOF CURBS SUPPLIED AS STANDARD BY THE MANUFACTURER OF THE MECHANICAL EQUIPMENT BEING

INSTALLED ON THE CURB ARE ACCEPTABLE. SUBMIT ROOF CURB INFORMATION WITH PRODUCT DATA AND SHOP DRAWINGS. VIBRATION/SOUND ATTENUATING ROOF CURBS, WHERE SCHEDULED OR

NOTED, SHALL BE MASON RSC-A (2-1/2-INCHES) OR EQUAL WITH ACOUSTICAL PACKAGE.

61. ROOFTOP HVAC UNITS SHALL BE INSTALLED SUCH THAT THE ROOF DECK IS COMPLETE AND CONTINUOUS UNDER THE BOTTOM OF THE HVAC UNITS, AND SO THAT THE ROOF DECK IS CUT ONLY FOR THE

UNIT SUPPLY AND RETURN OPENINGS. THE SPACE INSIDE OF ROOF CURBS BETWEEN THE ROOF DECK AND THE BOTTOM OF THE ROOFTOP HVAC UNITS SHALL BE FILLED WITH HIGH-DENSITY

ACOUSTICAL INSULATION.

62. UNLESS NOTED OTHERWISE, BLANK OFF UN-USED PORTIONS OF LOUVERS. INSTALL BLANK OFF PANEL ON ROOM SIDE OF LOUVER. BLANK OFF PANEL SHALL BE CONSTRUCTED OF GLASS FIBER

INSULATION SANDWICHED BETWEEN TWO SHEETS OF 22-GAUGE GALVANIZED SHEET METAL. THE INSULATION SHALL BE COMPLETELY ENCLOSED AND THE ENCLOSURE SEALED. THE INSULATION SHALL

BE 6 LB. PER CU. FT. DENSITY MINIMUM 2-INCHES THICK. THE INSULATION SHALL BE SECURED IN PLACE WITH MECHANICAL FASTENERS 6-INCHES ON CENTER.

REFRIGERANT PIPING FOR HVAC EQUIPMENT, HYDRONIC PIPING, AND FLUES

63. WHEN THE ACCUMULATED EQUIVALENT LENGTH OF REFRIGERANT LINES BETWEEN PIECES OF EQUIPMENT EXCEEDS THE MANUFACTURER'S RECOMMENDED LENGTHS FOR LINES WITH STANDARD

DIAMETER SIZES THEN FURNISH AND INSTALL A MANUFACTURER'S APPROVED REFRIGERANT PIPING DIAGRAM FOR TYPICAL SYSTEMS SHOWING RECOMMENDED PIPE SIZES AND COMPONENTS SUCH AS

SUCTION LINE ACCUMULATORS WHEN REQUIRED AND INSTALL REFRIGERANT PIPING AS RECOMMENDED BY THE MANUFACTURER.

64. REFRIGERANT PIPING MUST BE VACUUM TESTED TO 300 MICRONS FOR 24 HOURS AFTER THE HIGH PRESSURE TEST. THE SYSTEM FAILS THE TEST IF WITH THE VACUUM PUMP DISCONNECTED FROM

THE SYSTEM, THE PRESSURE RISES ABOVE 300 MICRONS AFTER 24 HOURS.

65. SLOPE ALL HORIZONTAL GAS FLUE PIPING MINIMUM 1/4-INCHES PER FOOT. INSTALL PER BOILER OR WATER HEATERS INSTALLATION INSTRUCTIONS.

66. INSTALL MANUAL AIR VENTS AT HIGH POINTS OF ALL CIRCULATING WATER PIPING SYSTEMS. INSTALL WITH SUFFICIENT SLOPE TO YIELD AIR VENTING.

67. INSTALL DRAIN TEES WITH MANUAL FULL-PORT BALL VALVES AT LOW POINTS OF ALL CIRCULATING WATER AND GLYCOL PIPING SYSTEMS. INSTALL WITH SUFFICIENT SLOPE TO YIELD DRAINING.

68. PIPING AT PUMPS AND EQUIPMENT SHALL BE SUPPORTED SO THAT NO PIPING OR ACCESSORY LOAD IS CARRIED BY THE PUMP, EQUIPMENT, OR FLEX CONNECTORS.

69. FOR ALL HYDRONIC PIPING, THE MINIMUM PIPE SIZE SHALL BE 3/4-INCHES DIAMETER, LONG RADIUS ELBOWS SHALL BE USED, AND UNLESS INDICATED OTHERWISE, PIPING SHALL BE INSTALLED BENEATH

DUCTWORK.

70. GROOVED COUPLINGS IN PIPING SYSTEMS ARE NOT PERMITTED.

71. EXTRUDED TEES IN COPPER PIPING ARE ACCEPTABLE FOR MAINS 2-INCH AND LARGER WITH THE BRANCH 1/2-INCH OR LESS THAN THE MAIN. JOINT MUST BE BRAZED.

72. PRESS TYPE FITTINGS FOR COPPER ARE NOT PERMITTED.

73. PIPING SHALL BE INSTALLED SO THAT ALL VALVES, STRAINERS, UNIONS, TRAPS, FLANGES, AND OTHER APPURTENANCES REQUIRING ACCESS ARE ACCESSIBLE.

74. VALVES AND SPECIALTIES SHALL BE LINE SIZE UNLESS INDICATED OTHERWISE. VALVES SHALL BE INSTALLED IN LOCATIONS SO THAT THE VALVES REMAIN IN SERVICE WHEN THE EQUIPMENT OR PIPING

IS REMOVED.

75. VALVES SHALL HAVE POSITION INDICATORS. BALANCING VALVES SHALL HAVE ADJUSTABLE MEMORY STOPS.

76. BUTTERFLY AND BALL VALVES ARE PERMITTED. GATE VALVES SHOULD NOT BE USED.

77. AT EQUIPMENT CONNECTIONS LOCATE PIPING TRANSITIONS BETWEEN EQUIPMENT AND VALVES AND STRAINERS.

78. ALL PIPING ABOVE GRADE SHALL BE SUPPORTED BY THE BUILDING STRUCTURE AND SHALL NOT REST ON CEILING TILES OR THE CEILING SUPPORT STRUCTURE. PIPING HUNG FROM JOISTS SHALL BE

HUNG FROM THE TOP CHORDS OF THE JOISTS.

79. ISOLATION VALVES SHALL BE INCLUDED AND INSTALLED IN ALL PIPES CONNECTED TO EACH PIECE OF EQUIPMENT AND PIPING ACCESSORY FOR WHICH MAINTENANCE OR REPLACEMENT OF THE

EQUIPMENT OR ACCESSORY WOULD REQUIRE SYSTEM SHUT-DOWN.

ATFP DAMPERS

80. ATFP DAMPERS SHALL BE AMCA CLASS 1A LOW LEAKAGE (3 CFM PER SQUARE FOOT FACE AREA AT 1-INCH W.C. PER AMCA 511). ATFP DAMPERS SHALL BE INSTALLED WHERE INDICATED IN ALL BUILDING

ENVELOPE PENETRATIONS BETWEEN OCCUPIED AREAS AND OUTDOORS THAT SERVE FOR RELIEF, EXHAUST, AND OUTDOOR AIR. DAMPERS SHALL BE CONTROLLED TO CLOSE UPON SIGNAL FROM THE

ATFP SWITCH AN OPENUPON MANUAL RESET OF THE SWITCH. ACTUATORS SHALL BE 24V ac WITH SPRING RETURN AND CONTROL SYSTEM POSITION FEEDBACK.

VIRGINIA BEACH, VA 23462

SUITE 1400

757·455·5800 FAX 757·455·5638

WWW.CLARKNEXSEN.COM

4525 MAIN STREET

SATISFACTORY TO DATE

APPROVED

ACTIVITY

FOR COMMANDER NAVFAC

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