60040424.pdf

AS AIR SEPARATOR

EF EXHAUST FAN

CEILING SUPPLY DIFFUSER

SIDEWALL SUPPLY DIFFUSER

CEILING RETURN GRILLE

SIDEWALL RETURN/EXHAUST GRILLE

CEILING EXHAUST GRILLE

WXH

RECTANGULAR DUCT

D"∅

ROUND DUCT

(D = DIAMETER)

(W = WIDTH, H = HEIGHT)

SPIN-IN TAP WITH TRANSITION

FROM HARD TO FLEXIBLE DUCT

MANUAL VOLUME DAMPER

RECTANGULAR DUCT TURNS DOWN

RECTANGULAR DUCT TURNS UP

ROUND DUCT TURNS DOWN

ROUND DUCT TURNS UP

FIRE DAMPER

HVAC SYSTEM EMERGENCY

SD DUCT MOUNTED SMOKE DETECTOR

A

DIFFUSER TAG

DIFFUSER TYPE

CFM

EXISTING DUCT, DIFFUSER

OR EQUIPMENT TO BE DEMOLISHED

DRAWING LEGEND MARKS

EXISTING DUCT, DIFFUSER

OR EQUIPMENT

ET EXPANSION TANK

DOAS DEDICATED OUTSIDE AIR SYSTEM

SHUTDOWN SWITCH

E

FD

MOTORIZED DAMPERM

T WALL MOUNTED THERMOSTAT

DRAWING LEGEND

AUTOMATIC AIR VENT

CONCENTRIC REDUCER

DIRECTION OF FLOW

TEMPERATURE TRANSMITTER

PRESSURE TRANSMITTER ORPT/PS

TH

TT

THERMOMETER

PRESSURE SWITCH

THREE WAY CONTROL VALVE

BALANCING VALVE

SWING CHECK VALVE

BUTTERFLY VALVE

BALL VALVE

FS FLOW SWITCH

GATE VALVE

UNION - SCREWED OR FLANGED

PRESSURE INDICATOR

PI

TWO WAY CONTROL VALVE

STRAINER WITH BLOW OFF VALVE

CHWP CHILLED WATER INLINE PUMP

PHWP PRIMARY HOT WATER INLINE PUMP

AFC ABOVE FINISHED CEILING

AFF ABOVE FINISHED FLOOR

AFMS AIR FLOW MONITORING STATION

BAS BUILDING AUTOMATION SYSTEM

BTUH BRITISH THERMAL UNIT PER HOUR

CFM CUBIC FEET PER MINUTE

CU. FT. CUBIC FEET

DB DRY BULB

EA, E/A EXHAUST AIR FLOW

EAT ENTERING AIR TEMPERATURE

ESP EXTERNAL STATIC PRESSURE

W.G. INCHES OF WATER GAUGE

EWT ENTERING WATER TEMPERATURE

F FAHRENHEIT

FOT FLAT ON TOP

HP HORSEPOWER

HZ HERTZ

IN. WC INCHES OF WATER COLUMN

KW TOTAL POWER INPUT, KILOWATTS

LAT LEAVING AIR TEMPERATURE

LBS POUNDS

LRA LOCKED ROTOR AMPS

LWT LEAVING WATER TEMPERATURE

MC MECHANICAL CONTRACTOR

MFG MANUFACTURER

MCA MINIMUM CIRCUIT AMPS

MOCP MAXIMUM OVER CURRENT PROTECTION

MVD MANUAL VOLUME DAMPER

OA, O/A OUTSIDE AIR FLOW

PH PHASE

PSI POUNDS PER SQUARE INCH

RA, R/A RETURN AIR FLOW

RLA RATED LOAD AMPS

RPM REVOLUTIONS PER MINUTE

SA, S/A SUPPLY AIR FLOW

SP STATIC PRESSURE

TEMP TEMPERATURE

TON 12,000 BTUH OF COOLING CAPACITY

TYP TYPICAL

VFD VARIABLE FREQUENCY DRIVE

WB WET BULB TEMPERATURE

TA, T/A TRANSFER AIR FLOW

ABBREVIATIONS

CHWS CHILLED WATER SUPPLY

CHWR CHILLED WATER RETURN

HWS HOT WATER SUPPLY

HWR HOT WATER RETURN

BFP BACKFLOW PREVENTER

FD FIRE DAMPER

DR FLOOR DRAIN

STM STEAM

COND CONDENSATE

HPC HIGH PRESSURE CONDENSATE

HPS HIGH PRESSURE STEAM (ABOVE 15 PSI)

LPC LOW PRESSURE CONDENSATE

LPS LOW PRESSURE STEAM (15 PSI AND LESS)

PC PUMPED CONDENSATE

GENERAL NOTES

1. CONTRACTOR SHALL COMPLY WITH ALL REQUIREMENTS OF 2021 NC

MECHANICAL CODE WITH REGARDS TO ALL MECHANICAL WORK.

2. CONTRACTOR MUST COORDINATE THE INSTALLATION OF ALL EQUIPMENT,

PIPING, AND DUCTWORK UNDER THIS CONTRACT WITH THE BUILDING

STRUCTURE. CONTRACTOR MUST MAKE ADJUSTMENTS WHERE NECESSARY

WITHOUT ADDITIONAL COST TO GOVERNMENT.

3. COORDINATE ALL SUPPLY, RETURN AND EXHAUST GRILLE LOCATIONS WITH

ARCHITECTURAL REFLECTED CEILING PLAN.

4. VERIFY PIPE SIZES AND LOCATIONS OF NEW PIPE ROUTING.

5. ALL NEW BULDING CONTROLS MUST TIE INTO THE EXISTING BASEWIDE JCI

EMCS. ALL NEW WATER AND ELECTRIC METERS MUST BE BACNET COMPATIBLE

AND MUST COMMUNICATE WITH THE BAS HEADEND. COORDINATE WITH THE

INSTALLATION ENERGY MANAGER ON THE TIE-IN OF THE UTILITY METERS TO THE

ECMS.

6. UNLESS OTHERWISE INDICATED, ALL MECHANICAL PIPING MUST BE RUN IN THE

DESIGNATED OR MAIN SERVICE CHASES. PIPING MUST NOT BE RUN OVERHEAD

IN THE SLEEPING AREAS OF THE ROOM, BUT MAY BE RUN IN SOFFITS OVER

BATHROOMS, SINK AND CLOSET AREAS.

7. WHERE NEW SMALLER DUCTS ARE INSTALLED REUSING EXISTING LARGER

WALL/FLOOR OPENINGS, THE EXISTING OPENINGS MUST BE FILLED TO MATCH

EXISTING ADJACENT CONSTRUCTION AND BE FIRE PROOFED AS REQUIRED TO

MEET ALL APPLICABLE CODES AND REGULATIONS.

8. THE CONTRACTOR MUST DEMOLISH ALL MATERIALS AS SHOWN AND NOTED ON

THE DEMOLITION PLANS FOR THIS BUILDING. ALL SUBSTANCES FOUND IN, ON OR

AROUND THESE DEMOLISHED MATERIALS MUST BE SAFELY HANDLED AND

DISPOSED OF TO SATISFY ALL ENVIRONMENTAL REGULATIONS.

9. ALL EXPOSED DUCTWORK MUST BE INSULATED WITH RIGID DUCT BOARD

INSULATION PER SPECIFICATIONS.

BT BUFFER TANK

EX EXISTING

UNDERGROUND PIPING

SUPPLY/RETURN PIPING

LOUVER

AHU AIR HANDLING UNIT

PTHP PACKAGED TERMINAL HEAT PUMP

UH HOT WATER UNIT HEATER

DAC DUCTLESS SPLIT AIR CONDITIONING UNIT

DCU DUCTLESS SPLIT CONDENSING UNIT

CH AIR-COOLED CHILLER

L LOUVER

B BOILER

SHWP SECONDARY HOT WATER INLINE PUMP

DH DEHUMIDIFIER

DDC DIRECT DIGITAL CONTROL

B-BC BACNET-BUILDING CONTROLLER

DTW DUAL-TEMP WATER

CIRCUIT SETTER VALVE

SYM. DESCRIPTION DATE APP.

REVISIONS

DR.

DES.

CHK.

SUBMITTED BY:

DESIGN DIR.

APPROVED: PWO OR OICC

SATISFACTORY TO:

DATE

DATE

DEPARTMENT OF THE NAVY NAVAL FACILITIES ENGINEERING SYSTEMS COMMAND

CAMP LEJEUNE, NORTH CAROLINA

MARINE CORPS BASE

SIZE CODE IDENT. NO. NAVFAC DRAWING NO.

E1 80091

CONSTR. CONTR. NO.

AS NOTEDSCALE SHEET

M B

F A

N O

SPEC.

M-001

MAS

JDL

MORGAN HUNTER

MAS

REPAIR BEQ HP505

MECHANICAL NOTES, LEGEND & ABBREVIATIONS

60040424 N40085-23-B-0034

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1 PPI Responses 01.17.25