Attachment 11 - Drawings Mechanical.pdf

S SS

A/E ARCHITECT / ENGINEER

AAHX AIR TO AIR HEAT EXCHANGER

AB AIR BLENDER

AAV AUTOMATIC AIR VENT

ACC AIR-COOLED CONDENSER

ACCH AIR-COOLED CHILLER

ACCU AIR-COOLED CONDENSING UNIT

ACU AIR CONDITIONING UNIT

ACD AUTOMATIC CONTROL DAMPER,

MODULATING

ACD-TP AUTOMATIC CONTROL DAMPER,TWO

POSITION

AD ACCESS DOOR

AF AFTER FILTER

AFCV AIR FLOW CONTROL VALVE

AFF ABOVE FINISHED FLOOR

AFMD AIR FLOW MEASURING DEVICE

AFW AIR FOIL WHEEL (FAN)

AHU AIR-HANDLING UNIT

AMP AMPERAGE

AP ACCESS PANEL

APD AIR PRESSURE DROP

ARI AIR CONDITIONING AND

REFRIGERATION INSTITUTE

AS AIR SEPARATOR

ASME AMERICAN SOCIETY OF MECHANICAL

ENGINEERS

AW AIR WASHER

AXF AXIAL FLOW

B BOILER

BD BUTTERFLY DAMPER

BDD BACKDRAFT DAMPER

BDR BASE BOARD RADIATOR

BFP BACKFLOW PREVENTER

BFT BOILER PLANT FIRE TUBE

BHP BRAKE HORSEPOWER

BHW HOT WATER HEATING BOILER

BHX BOILER BLOWDOWN HEAT

EXCHANGER

BIW BACKWARD INCLINED WHEEL (FAN)

BSC BIOLOGICAL SAFETY CABINETS

BT BUFFER TANK

BTU BRITISH THERMAL UNIT

BTUH BRITISH THERMAL UNIT PER HOUR

C CENTIGRADE (CELSIUS)

CC COOLING COIL

CCD COOLING COIL CONDENSATE DRAIN

CENT CENTRIFUGAL

CFH CUBIC FEET PER HOUR

CFM CUBIC FEET PER MINUTE

CFT CUBIC FEET

CFP CHEMICAL FEED PUMP

CH CHILLER

CHWP CHILLED WATER PUMP

CHW CHILLER WATER

CHWR CHILLED WATER RETURN

CHWS CHILLED WATER SUPPLY

CI CAST IRON

CM CARBON MONOXIDE

CM CUBIC METER

CM/S CUBIC METER PER SECOND

CO CLEAN OUT

CO2 CARBON DIOXIDE

COMP COMPRESSOR UNIT

COP COEFFICIENT OF PERFORMANCE

CP CONDENSATE PUMP

CU CONDENSING UNIT

CUH CABINET UNIT HEATER

CV CONSTANT VOLUME

CW COLD WATER (POTABLE)

CHWCC CHILLED WATER COOLING COIL

D DAMPER - AUTOMATIC

D-1 OUTDOOR AIR DAMPER

D-2 RETURN AIR DAMPER

D-3 RELIEF AIR DAMPER

D-4 ECONOMIZER OUTDOOR AIR

DAMPER

dB DECIBELS Db DRY-BULB TEMPERATURE

DDC DIRECT DIGITAL CONTROLS

DEG DEGREE

DF DIFFUSER

DIA DIAMETER

DIW DEIONIZED WATER

DP DEW POINT TEMPERATURE

DP DIFFUSER PLATE

DPA DIFFERENTIAL PRESSURE

ASSEMBLY

DPS DIFFERENTIAL PRESSURE SENSOR

DX DIRECT EXPANSION

DXCC DIRECT EXPANSION COOLING COIL

EA EXHAUST AIR

EAT ENTERING AIR TEMPERATURE

ECC ENGINEERING CONTROL CENTER

EER ENERGY EFFICIENCY RATIO

EF EXHAUST FAN

EG EXHAUST GRILLE

EGS EMERGENCY GAS SHUTOFF

EH EXHAUST HOOD

EJ EXPANSION JOINT

EMD END OF MAIN DRIP (STEAM)

ENT ENTERING

ESP EXTERNAL STATIC PRESSURE

EWT ENTERING WATER TEMPERATURE

EX EXISTING

F FAHRENHEIT

F&T FLOAT AND THERMOSTATIC

F/SDPR COMBINATION FIRE SMOKE DAMPER

FA FREE AREA

FC FLEXIBLE CONNECTION

FCU FAN COIL UNIT (4 PIPE)

FCW FORWARD CURVED WHEEL (FAN)

FD FLOOR DRAIN

FD FIRE DAMPER

FF FINAL FILTER

FM FLOW METER

FPM FEET PER MINUTE

FPS FEET PER SECOND

FRP FIBER REINFORCED POLYESTER

FS FLOW SWITCH

FSTAT FREEZESTAT

FT FEET

FT-LB FOOT-POUND

FTR FIN TUBE RADIATION

FV FACE VELOCITY

GA GAUGE

GAL GALLONS

GH GRAVITY HOOD

GPD GALLONS PER DAY

GPH GALLONS PER HOUR

GPM GALLONS PER MINUTE

GS GALVANIZED STEEL

H HUMIDIFIER

H&CW HOT & COLD WATER

HAC HOUSEKEEPING AID CLOSET

HB HOSE BIBB

HC HEATING COIL

HD HEAD

HD HOOD

HHW HEATING HOT WATER

HHWC HEATING HOT WATER COIL

HHWP HEATING HOT WATER PUMP

HHWR HEATING HOT WATER RETURN

HHWS HEATING HOT WATER SUPPLY

HOA HAND/OFF/AUTOMATIC

HP HEAT PUMP

HP HORSEPOWER

HPDT HIGH PRESSURE DRIP TRAP

HPR HIGH PRESSURE RETURN (STEAM

CONDENSATE)

HPS HIGH PRESSURE SUPPLY (STEAM)

HRC HEAT RECOVERY COIL

HRD HEAT RECOVERY DEVICE

HRP HYDRONIC RADIANT (CEILING) PANEL

HRW HEAT RECOVERY WHEEL

HSTAT HUMIDISTAT

HUM HUMIDIFIER UNIT MOUNTED

HVU HEATING AND VENTILATING UNIT

HW HOT WATER

HWC HOT WATER COIL

HWUH HOT WATER UNIT HEATER

HX HEAT EXCHANGER

Hz HERTZ

I/O INPUT/OUTPUT

IAQ INDOOR AIR QUALITY

IBT INVERTED BUCKET TRAP

ICF IN-LINE CENTRIFUGAL FAN

ICU INTENSIVE CARE UNIT

ID INSIDE DIAMETER

IFB INTEGRAL FACE AND BYPASS

IN INCHES

IN HG INCHES OF MERCURY

IN WC INCH WATER COLUMN

IN WG INCH WATER GAUGE

IN-LB INCH-POUND

IPLV INTEGRATED PART LOAD VALUE

IRH INFRARED HEATER

IS INSECT SCREEN

IV INLET VANES

kg KILOGRAM kg/HR KILOGRAM PER HOUR kPa KILOPASCAL kW KILOWATT kWh KILOWATT HOUR

L LITER

L/s LITERS PER SECOND

LAT LEAVING AIR TEMPERATURE

LBS/HR POUNDS PER HOUR

LF LINEAR FOOT (FEET)

LH LATENT HEAT

LPR LOW PRESSURE RETURN (STEAM

CONDENSATE)

LPS LOW PRESSURE SUPPLY (STEAM)

LSD LINEAR SLOT DIFFUSER

LTCP LOCAL TEMPERATURE CONTROL

PANEL

LVG LEAVING

LVR LOUVER

LWT LEAVING WATER TEMPERATURE

M METER, SI UNIT

M/s METERS PER SECOND (OR

METERS/SECOND)

MA MIXED AIR

MAT MIXED AIR TEMPERATURE

MAV MANUAL AIR VENT

MAX MAXIMUM

MB MIXING BOX

MBH 1000 BTUH

MCA MINIMUM BRANCH CIRCUIT AMPACITY

MER MECHANICAL EQUIPMENT ROOM

MERV MINIMUM EFFICIENCY REPORTING

VALUE

MHP MOTOR HORSEPOWER

MIN MINIMUM

MM MILLIMETER

MOV MOTOR OPERATED VALVE

MPR MEDIUM PRESSURE RETURN (STEAM

CONDENSATE)

MPS MEDIUM PRESSURE SUPPLY (STEAM)

MTD MEAN TEMPERATURE DIFFERENCE

MVD MANUAL VOLUME DAMPER

NA NOT APPLICABLE

NC NOISE CRITERIA

NC NORMALLY CLOSED

NO NORMALLY OPEN

NOAA NATIONAL OCEANIC & ATMOSPHERIC

ADMINISTRATION

NOM NOMINAL

NPLV NON-STANDARD PART LOAD VALUE

NPSH NET POSITIVE SUCTION HEAD

NTS NOT TO SCALE

OA OUTSIDE AIR

OAI OUTSIDE AIR INTAKE

OD OUTSIDE DIAMETER

OR OPERATING ROOM

OSA OUTSIDE SUPPLY AIR

(CONDITIONED)

P PUMP

PC PUMPED CONDENSATE

PCF POUNDS PER CUBIC FOOT (FEET)

PD PRESSURE DROP

PF PRE-FILTER

PG PRESSURE GAGE

PHC PREHEAT COIL

PHCP PREHEAT COIL PUMP

PPM PARTS PER MILLION

PRV PRESSURE REGULATING VALVE

PSI POUNDS PER SQUARE INCH

PSIA POUNDS PER SQUARE INCH –

ABSOLUTE

PSIG POUNDS PER SQUARE INCH – GAGE

PSS PRIMARY SECONDARY SYSTEM

PSV PRESSURE SAFETY VALVE

R/E RETURN OR EXHAUST

RA RETURN AIR

RAT RETURN AIR TEMPERATURE

RDS ROOM DATA SHEETS

REA RELIEF AIR

RF RETURN FAN

RG RETURN GRILLE

RH RELATIVE HUMIDITY

RHC REHEAT COIL

RL REFRIGERANT LIQUID LINE

RLA RUN LOAD AMPERE

RPM REVOLUTIONS PER MINUTE

RS REFRIGERANT SUCTION

RTU ROOF TOP UNIT

RV RELIEF VALVE

SA SUPPLY AIR

SAD SOUND ATTENUATING DEVICE

SAT SUPPLY AIR TEMPERATURE

SC SHADING COEFFICIENT

SCFM STANDARD CUBIC FEET PER MINUTE

SCR SILICON CONTROLLED RECTIFIER

SD SMOKE DETECTOR

SD SUPPLY AIR DIFFUSER

SDPR SMOKE DAMPER

SDR SMOKE DAMPER (RETURN)

SDS SMOKE DAMPER (SUPPLY)

SEN SENSIBLE HEAT

SF SUPPLY FAN

SH STEAM HUMIDIFIER

SHC STEAM HEATING COIL

SI SQUARE INCHES

SP STATIC PRESSURE

SP GR SPECIFIC GRAVITY

SPD SUPPLY PROCESS AND

DISTRIBUTION

SPRV STEAM PRESSURE REDUCING VALVE

SPS STATIC PRESSURE SENSOR

SQ FT SQUARE FOOT (FEET)

SR SUPPLY AIR REGISTER

SS STAINLESS STEEL

SSR SOLID SEPARATOR

ST STEAM TRAP

SV STEAM SAFETY VALVE

SVS STEAM VENT SILENCER

T & PCV TEMPERATURE AND PRESSURE

CONTROL VALVE

TAB TESTING, ADJUSTING, BALANCE

TD TEMPERATURE DIFFERENCE

TDH TOTAL DYNAMIC HEAD

TDS TOTAL DISSOLVED SOLIDS

TP TRAP

TSP TOTAL STATIC PRESSURE

TSTAT THERMOSTAT

TU TERMINAL UNIT

UC UNDER CUT

UH UNIT HEATER

UL UNDERWRITERS LABORATORY

V VALVE

VAF VANE-AXIAL FAN

VAV VARIABLE AIR VOLUME

VD VOLUME DAMPER (MANUAL

OPPOSED BLADE)

VFD VARIABLE FREQUENCY DRIVE

VHA VETERANS HEALTH ADMINISTRATION

VI VIBRATION ISOLATOR

VP VACUUM PUMP

VPS VARIABLE PRIMARY SYSTEM

VR VACUUM (STEAM CONDENSATE)

RETURN

VSD VARIABLE SPEED DRIVE

VUH VERTICAL UNIT HEATER

W WATTS

Wb WET-BULB (TEMPERATURE)

WFCV WATER FLOW CONTROL VALVE

WFM WATER FLOWMETER

WFMD WATER FLOW MEASURING DEVICE

WG WATER GAGE

WPD WATER SIDE PRESSURE DROP

XT EXPANSION TANK

YR YEAR

MECHANICAL ABBREVIATIONS

CO2 CARBON DIOXIDE SENSOR

HUMIDISTAT OR HUMIDITY SENSOR

SUPPLY DIFFUSER

RETURN GRILLE

EXHAUST GRILLE

ROUND FLEX DUCT

LINEAR SLOT DIFFUSER

BALANCING DAMPER

FIRE DAMPER

SMOKE DAMPER

D

R INCLINED RISE, IN

DIRECTION OF AIRFLOW

INCLINED DROP, IN DIRECTION

OF AIRFLOW

CONNECT NEW DUCT

TO EXISTING

LIMIT OF DEMOLITION

VANED ELBOW (PROVIDE ALL

SQUARE OR RECTANGULAR

ELBOWS WITH VANES EVEN IF

SYMBOL IS MISSING)

STANDARD RADIUS ELBOW

(LONG RADIUS)

10x8 NEW DUCT (INSIDE

DIMENSIONS: WIDTH X DEPTH)

EXISTING DUCT TO REMAIN

EXISTING DUCT TO BE

DEMOLISHED

DUCT TRANSITION

END MOUNTED OR SIDEWALL GRILLE

SUPPLY

RETURN45°

45°

DN

DN

UP

UP

DNUP

STANDARD BRANCH SUPPLY OR

RETURN, NO SPLITTER (45° TAP)

SUPPLY DUCT (UP & DOWN)

EXHAUST DUCT (UP & DOWN)

RETURN DUCT (UP & DOWN)

S-60

S-15

CR-15

CHWS

CHWR

HIGH PRESSURE STEAM

PIPING (60 PSI)

LOW PRESSURE STEAM PIPING

(15 PSI AND BELOW)

LOW PRESSURE STEAM

CONDENSATE RETURN

CHILLED WATER SUPPLY PIPING

CHILLED WATER RETURN PIPING

PIPE UP

PIPE DOWN

BOTTOM CONNECTION

TOP CONNECTION

CAPPED OR PLUGGED PIPE

GLOBE VALVE

GATE VALVE

BALL VALVE

STEAM SAFETY VALVE

PRESSURE REGULATING VALVE

WYE STRAINER VALVE

BALANCING VALVE

MODULATING TWO-WAY CONTROL

VALVE

STEAM TRAPD CONDENSATE DRAIN LINE

CR-60 HIGH PRESSURE STEAM

CONDENSATE RETURN

HWS

HWR

HEATING HOT WATER SUPPLY

PIPING

HEATING HOT WATER RETURN PIPING

RLS REFRIGERANT LINE SET (LIQUID

AND SUCTION)

CONNECT TO EXISTING PIPE

LIMIT OF DEMOLITION

INLINE CENTRIFUGAL PUMP

STEAM PRESSURE REDUCING

VALVE

DRAIN VALVE

TEST PLUG

SUPPLY

TERMINAL UNIT SUPPLY

DUCT BRANCH (CONICAL

TAP)

CHECK VALVE

FIRE / SMOKE DAMPER

VANED ELBOW (SHORT RADIUS) S-30

CR-30

MEDIUM PRESSURE STEAM

PIPING (16 PSI AND 59 PSI)

MEDIUM PRESSURE STEAM

CONDENSATE RETURN

THERMOSTAT OR TEMPERATURE SENSOR

TWO POSITION CONTROL VALVE

MODULATING THREE-WAY

CONTROL VALVE

T

H

F

SD

FS

MECHANICAL LEGEND

MOTORIZED DAMPER

M FLOW METER

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

27.

A.

B.

C.

D.

28.

WORK SHALL CONFORM TO APPLICABLE LOCAL, STATE, AND NATIONAL CODES AND APPLICABLE VA STANDARDS.

INSTALL EQUIPMENT IN ACCORDANCE WITH MANUFACTURER'S WRITTEN RECOMMENDATIONS.

PROVIDE NEW MATERIALS, EQUIPMENT AND PRODUCTS INCORPORATED IN THE WORK, OF A SUITABLE GRADE FOR THE PURPOSES INTENDED.

WHERE POSSIBLE, PROVIDE STANDARD PRODUCTS OF THE VARIOUS MANUFACTURERS EXCEPT WHERE SPECIAL CONSTRUCTION OR PERFORMANCE FEATURES ARE REQUIRED.

EQUIPMENT OR MATERIAL DEVIATIONS FROM INDICATED CONTRACT REQUIREMENTS SHALL BE SUBJECT TO THE APPROVAL OF THE COR. SUBMIT PROPOSED EQUIPMENT DEVIATIONS THAT ARE SIMILAR BOTH IN QUALITY AND CAPACITY TO THAT EQUIPMENT SPECIFIED, AS SOLELY DETERMINED BY THE COR.

PROVIDE MECHANICAL EQUIPMENT THAT IS LISTED AND LABELED BY UNDERWRITERS LABORATORIES (U.L.).

INSTALL EQUIPMENT AS INDICATED, ALLOWING FOR SUFFICIENT ACCESS AND CLEARANCE SPACE FOR EQUIPMENT MAINTENANCE, REPAIRS, AND REPLACEMENT.

INSTALL EQUIPMENT WITH PROPER CLEARANCES FOR REQUIRED PIPING AND ELECTRICAL SERVICES AND CONNECTIONS. INSTALL EQUIPMENT WITH REQUIRED ACCESS AND CLEARANCES IN ACCORDANCE WITH MANUFACTURER'S WRITTEN RECOMMENDATIONS AND APPLICABLE CODES AND STANDARDS.

COORDINATE LOCATION, INSTALLATION, AND ROUTING OF DUCTWORK, PIPING, AND EQUIPMENT WITH WORK OF ALL OTHER TRADES.

PROVIDE SUPPORT FOR MECHANICAL EQUIPMENT. COORDINATE SUPPORT LOCATIONS WITH ALL CONTRACTORS PRIOR TO INSTALLATION.

PROVIDE POWER CONNECTIONS TO EQUIPMENT PROVIDED UNDER THIS CONTRACT AS WORK OF DIVISION 26.

PROVIDE CONTROL WIRING FOR MECHANICAL EQUIPMENT AS WORK OF DIVISION 23.

DUCTWORK AND PIPING LAYOUTS AND LOCATIONS ARE SCHEMATIC. DO NOT SCALE THESE DRAWINGS. COORDINATE AND DETERMINE EXACT ROUTING OF DUCTWORK AND

PIPING IN THE FIELD.

FIELD VERIFY DIMENSIONS BY ACTUAL MEASUREMENT AND OBSERVATION BEFORE ORDERING OR FABRICATING DUCTWORK, PIPING OR EQUIPMENT.

NOTIFY COR REGARDING DISCREPANCIES BETWEEN CONTRACT DOCUMENTS AND EXISTING CONDITIONS OR DIMENSIONS BEFORE PERFORMING WORK. FAILURE TO VERIFY AND REPORT SHALL CONSTITUTE CONTRACTOR'S ACCEPTANCE OF EXISTING CONDITIONS AS FIT FOR THE PROPER EXECUTION OF THE WORK.

SEE ARCHITECTURAL DRAWINGS FOR FINAL LOCATION OF CEILING INSTALLED EQUIPMENT.

INSTALL DUCTWORK AND PIPING AS HIGH AS POSSIBLE AND AS CLOSE AS POSSIBLE TO BUILDING WALLS, CEILING AND FLOOR AND ROOF STRUCTURE. PROVIDE OFFSETS, FITTINGS, AND DIMENSIONAL TRANSITIONS NOT SHOWN BUT REQUIRED TO MAINTAIN MINIMUM CLEAR SPACE TO BUILDING SURFACES AT NO ADDITIONAL COST.

PATCH, PAINT AND CLEAN SURFACES SUSTAINING DAMAGE ASSOCIATED WITH MECHANICAL WORK OF THIS CONTRACT, UNLESS NOTED OTHERWISE.

SUBMIT BOUND SET OF OPERATING AND MAINTENANCE INSTRUCTIONS FOR EQUIPMENT AT COMPLETION OF PROJECT.

INSTALL ESCUTCHEONS IN ALL PLACES WHERE PIPING PENETRATES A WALL IN AN EXPOSED LOCATION.

MAKE A COMPLETE REVIEW OF DRAWINGS, INCLUDING SCHEDULES AND DETAILS, PRIOR TO BEGINNING MECHANICAL SYSTEM INSTALLATION. RESOLVE CONFLICTS WITH COR.

DRAWING PLANS, SCHEMATICS, AND DIAGRAMS INDICATE GENERAL LOCATION AND ARRANGEMENT OF PIPING SYSTEMS.

INSTALL PIPING INDICATED TO BE EXPOSED AND PIPING IN EQUIPMENT ROOMS AND SERVICE AREAS AT RIGHT ANGLES OR PARALLEL TO BUILDING WALLS. DIAGONAL RUNS ARE

NOT ACCEPTABLE UNLESS SPECIFICALLY INDICATED OTHERWISE.

INSTALL PIPING FREE OF SAGS AND BENDS.

INSTALL PIPING TO ALLOW APPLICATION OF INSULATION.

PIPING SHALL NOT BE ROUTED OVER TELECOM OR ELECTRICAL CLOSETS/ROOMS.

PREPARE DRAWINGS SHOWING MECHANICAL SYSTEMS AND EQUIPMENT FOR COORDINATION WITH WORK OF OTHER DIVISIONS AND WORK BY THE GOVERNMENT.

INCLUDE PLAN VIEWS, SECTIONS, AND ELEVATIONS, AS REQUIRED, TO FULLY COORDINATE ALL NEW WORK WITH ITSELF AND EXISTING CONDITIONS.

DRAWINGS SHALL SHOW, BUT NOT BE LIMITED TO, ALL DUCTWORK, AIR DISTRIBUTION, MECHANICAL EQUIPMENT, MECHANICAL PIPING, FIRE PROTECTION PIPING, PLUMBING PIPING, CABLE TRAYS, LIGHTING FIXTURES, CEILING GRID AND HEIGHT, BEAMS AND JOISTS (WITH ELEVATIONS MARKED), ELECTRICAL CONDUIT LARGER THAN 2 INCHES IN DIAMETER AND OTHER CEILING MOUNT DEVICES OR EQUIPMENT THAT PROTRUDE INTO THE CEILING CAVITY.

IF THERE ARE OUTSTANDING ISSUES THAT CANNOT BE RESOLVED, CONSULT WITH COR FOR GUIDANCE AND MAKE CORRECTIONS IN ACCORDANCE WITH DIRECTIONS GIVEN.

DO NOT BEGIN FABRICATION OR PLACE EQUIPMENT ORDERS UNTIL COORDINATION DRAWINGS HAVE BEEN APPROVED.

INSTALLATION COMMENCED PRIOR TO COORDINATION DRAWING APPROVAL IS TAKEN AT THE CONTRACTORS OWN RISK. MODIFY, MOVE OR RECONFIGURE WORK LACKING

COORDINATION AT NO ADDITIONAL COST

MECHANICAL GENERAL NOTES

1.

2.

3.

4.

5.

6.

7.

8.

9.

VERIFY EXISTING CONDITIONS PRIOR TO BEGINNING WORK. NOTIFY COR REGARDING CONFLICTS BEFORE PROCEEDING WITH WORK.

REMOVED ITEMS REMAIN PROPERTY OF GOVERNMENT UNTIL COR DETERMINES THAT THEY ARE NOT REQUIRED. REMOVE FROM SITE ITEMS NOT BEING RETAINED BY

GOVERNMENT OR REINSTALLED AS PART OF THIS WORK.

DO NOT DISTURB ITEMS NOT INDICATED FOR DEMOLITION.

VERIFY SIZE AND LOCATION OF EXISTING UTILITIES PRIOR TO START OF DEMOLITION. RELOCATE, REMOVE AND ADJUST MECHANICAL AND ELECTRICAL ITEMS AS NECESSARY TO

COORDINATE WITH NEW WORK.

AFTER DEMOLITION IS COMPLETE, PATCH AND REPAIR FINISHES TO MATCH EXISTING ADJACENT CONDITIONS.

COORDINATE DEMOLITION WITH COR. SUBMIT SHUTDOWN PLAN AND SCHEDULE TO COR FOR REVIEW AND APPROVAL.

PROTECT EXISTING UTILITIES TO REMAIN FROM DAMAGE DURING DEMOLITION. REPAIR UTILITIES AND SERVICES DAMAGED AT NO ADDITIONAL COST.

TEMPORARILY MOVE OR TAKE EQUIPMENT OUT OF SERVICE AS NECESSARY TO COMPLETE WORK.

SAWCUT OR CORE DRILL CONCRETE FLOOR AS REQUIRED FOR DEMOLITION WORK INDICATED. COORDINATE WITH NEW MECHANICAL WORK AND WORK OF OTHER TRADES.

MECHANICAL DEMOLITION GENERAL NOTES

EXISTINGEXISTING

NEW WORK KEYNOTE

DEMOLITION KEYNOTE

NEW BOLD TEXT INDICATES NEW ITEM

ITALICIZED TEXT INDICATES EXISTING ITEM

DIFFUSER TAG

DETAIL OR SECTION MARK

SHOWN ON DRAWING

DETAIL MODULE NUMBER

CONNECT TO EXISTING

LIMIT OF DEMOLITION

EQUIPMENT TAG

ANNOTATION SYMBOLS

##-VAV-#

SD-## ###

2 HOUR FIRE SEPARATION

1 HOUR FIRE SEPARATION

SMOKE RATED

WALL RATING LEGEND

Engineers Architects Revisions: Date

Drawing Title

Approved

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: ARCHITECT/ENGINEER OF RECORD

Date Checked Drawn

FULLY SPRINKLERED

U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

ACG Project Number

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M-001

MECHANICAL GENERAL INFORMATION

1 12AV

REPLACE BUILDING 121

MICHAEL E. DEBAKEY VAMC

2002 HOLCOMBE BOULEVARD

HOUSTON, TX 77030 JANUARY 24, 2025

100% CONSTRUCTION DOCUMENTS

580-324

SPG

22-021

Docusign Envelope ID: 80537957-6FE1-43C1-90A3-95C473977FCA

1/27/2025

A

2 3 4 5 6

B

D

C

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

TR

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

37OFFICE/CONSULT

OFFICE/CONSULT

GROUP

ROOM 2

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

TLT

OFFICE/CONSULT

HAC

STAFF TLT

TOILET

OFFICE

OFFICE

OFFICE

ELEC

SOILED

FAMILY

CONSULT

STAFF

CONFERENCE

ROOM

OCCUPATIONAL

THERAPY

COMMUNITY

ROOM

RESOURCE/

COMPUTERS

OFFICE

FAMILY

CONSULT

EXAM

OFFICE

OFFICE

STAFF

LOUNGE

VEST

20MECHANICAL

MEDS

OPEN

OFFICE

GROUP

ROOM 1

RECEPTION/CHECK-IN

VEST

WAITING

CORRIDOR

C06

CORRIDOR

C04

CORRIDOR

C05

CORRIDOR

C03

CORRIDOR

C02

CORRIDOR

C01

LOBBY

FIRE

RISER

ROOM

STORAGE

M-401

140SD-12

100RG-11

100SD-12

230RG-12

115RG-11

365RG-14

450RG-13

435RG-13

360RG-13

815RG-15

230SD-13

230SD-13

185SD-12

115SD-12

150SD-12 150SD-12

115SD-12

150SD-12

150SD-12

150SD-12 150SD-12

145SD-12

145SD-12

145SD-12

145SD-12

145SD-12

145SD-12

180SD-12

180SD-12

450RG-13

225SD-13

225SD-13245SD-13245SD-13

245SD-13245SD-13

245SD-13

245SD-13

245SD-13245SD-13

245SD-13245SD-13

100RG-11

120SD-12

135SD-12135SD-12

80EG-18

80EG-18

125EG-18

95SD-17

125EG-18

125EG-18

115SD-12

140SD-12

115SD-12 115SD-12

115SD-12

115SD-12

145RG-11

145SD-12

170SD-12165SD-12 165SD-12

170SD-12

115SD-12

115SD-12

115SD-12

115SD-12

115SD-12

130SD-12

115SD-12

115SD-12

260RG-13

240SD-13

260RG-13

240SD-13

130SD-12

165RG-11 170RG-11 165RG-11

240SD-13

170RG-11

185SD-12

185RG-12

105SD-12

115RG-11 115RG-11

115RG-11

115RG-11

115RG-11

270RG-13

115RG-11

115RG-11115RG-11

115RG-11

115RG-11115RG-11

115RG-11

540RG-14

540RG-14

240RG-12

330RG-13

260SD-12

125SD-12

125RG-11

105RG-11

105SD-12

125SD-12

125RG-11

100SD-12

100RG-11

105RG-11

105SD-12

105SD-12

105RG-11

145SD-12

290RG-13

220SD-13

220SD-13

220SD-13

660RG-14

180SD-12

135SD-12

135SD-12

145SD-12 145SD-12

121-VAV-40

115RG-11

121-SS-1

820RG-15

120SD-12

785RG-16

200LSD-1

200LSD-1

200LSD-1

121-FCU-1

121-VAV-53

121-VAV-4

121-VAV-48

121-VAV-43 121-VAV-9

121-VAV-15

121-VAV-10

121-VAV-37

121-VAV-19

121-VAV-25B

121-VAV-32

121-VAV-29

121-VAV-54

121-VAV-52

121-VAV-51

121-VAV-39

121-VAV-25A

121-VAV-162

121-VAV-2

x1

18x1012x1012x108x10 x1 x1

8x x1 x1 x1

22x20

8x x1 x1

12x10 8x10 x1

10x12

10x10 8x10

10x10 x1

8x

12x10 x1

12x10 8x10

12x10

10x10 x1

24x20 x2 x2 x2

121-VAV-20

121-VAV-C06

12x12 8x12

10ø

8x12 x1 x1

22x20

12x10

8x12

18x10

8x8 x1 x1

14x16 x1 x1 x1 x1

8x

40x24 SA 26x20

34x20 SA 28x20 SA

20x18

12x12

125EG-18

26x22

150RG-11

x1

815RG-15

x2

18x16 14x14

8x x2

18x18

20x20 x2 x1 x1

CLEAN

SUPPLY

07A

TOILET

x1

12x12

18x18

14x14

121-VAV-13

121-VAV-7A

121-VAV-7

121-VAV-50

8x8 8x8

8ø

8ø

6ø

8x8

121-LVR-2

121-EF-2

121-VAV-C01

x1

16x12

1.7

E

A.5

B.11 B.10

22x20

LOBBY

BULKHEAD

14x10

8x10

8x10

165RG-11165SD-12

121-RP-1 121-RP-2

435RG-13

700LSD-2

300LSD-2

TRAINING

TLT

53B

MH101

121-CU-1

MH101

8x10

230EG-23

100EG-20

8x8

121-UH-1

FIRST FLOOR

0' - 0"

3 4 5 6

TOP OF STEEL

15' - 8"

T.O. PARAPET

17' - 8"

B.11 B.10

MH101

20x2820x34

20x26 20x22

12x8

16x18

18x20

121-VAV-10

121-VAV-C06 12x12 12x8

8x8

36x24

10x14

1" HWS

1" HWR

FIRST FLOOR

0' - 0"

A B C

TOP OF STEEL

15' - 8"

A.5

MH101

24x36

26x20 18x16

22x26 8x8121-VAV-20

1" HWR

1" HWS

Engineers Architects

# KEY NOTES:

Revisions: Date

Drawing Title

Approved

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: ARCHITECT/ENGINEER OF RECORD

SHEET NOTES:

Date Checked Drawn

FULLY SPRINKLERED

U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

ACG Project Number

1/

/2

:0 3:

A

M C

:\U se rs \a va sa

\D oc um en ts \M

_2 2-

1-

BC

LC

V A-

BL

D

G

_a va sa

N N

C 4C

.rv t

MH101

FIRST FLOOR HVAC PLAN

2 12KSC

REPLACE BUILDING 121

MICHAEL E. DEBAKEY VAMC

2002 HOLCOMBE BOULEVARD

HOUSTON, TX 77030 JANUARY 24, 2025

100% CONSTRUCTION DOCUMENTS

580-324

SPG

22-021

Scale: 1/8" = 1'-0"1 FIRST FLOOR HVAC PLAN N O

R

TH

0 4 8 16

1 ROUTE DUCT UP WITHIN CHASE AND ALONG

EXTERIOR WALL IN SOFFIT.

2 INSTALL NEW 16' ARCHITECHTURAL LINEAR

DIFFUSER IN LOBBY BULKHEAD.

3 INSTALL NEW 8' ARCHITECHTURAL LINEAR

DIFFUSER IN LOBBY BULKHEAD.

4 PROVIDE AIRFLOW MEASURING DEVICE IN

SUPPLY AND RETURN AIR DUCT IN LOCATION

INDICATED.

A.

B.

C.

D.

E.

COORDINATE ALL WORK WITH THE GENERAL

CONTRACTOR, OTHER TRADES AND THE COR

TO MINIMIZE DISRUPTION OF AREAS OUTSIDE

OF THE PROJECT LIMITS OF WORK.

UNLESS NOTED OTHERWISE, ALL DIFFUSERS

AND GRILLE RUN-OUTS ARE THE SAME SIZE AS

THE NECK/DUCT CONNECTION SIZE SPECIFIED

IN THE AIR DEVICE SCHEDULE.

ALL DIFFUSER AND GRILLE TAKEOFFS SHALL

INCLUDE A BALANCING DAMPER.

SEE ARCHITECTURAL CEILING PLAN FOR

CEILING TYPES AS WELL AS DIFFUSER AND

GRILLE PLACEMENT WITHIN THE CEILING.

COORDINATE ALL THERMOSTAT LOCATIONS

WITH ALL OTHER WALL MOUNTED OBJECTS

BEFORE INSTALLATION.

Scale: 1/8" = 1'-0"2 CORRIDOR C06 SECTION Scale: 1/8" = 1'-0"3 CORRIDOR C05 SECTION N

O R

TH

0 4 8 16N O

R

TH

0 4 8 16

2 3 4 5 6

B

D

C

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

49OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

TR

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

GROUP

ROOM 2

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

OFFICE/CONSULT

14 TLT

OFFICE/CONSULT

HAC

STAFF TLT

TOILET

OFFICE

OFFICE

OFFICE

ELEC

SOILED

FAMILY

CONSULT

TOILET

STAFF

CONFERENCE

ROOM

OCCUPATIONAL

THERAPY

COMMUNITY

ROOM

RESOURCE/

COMPUTERS

OFFICE

FAMILY

CONSULT

EXAM

OFFICE

OFFICE

STAFF

LOUNGE

VEST

MECHANICAL

MEDS

OPEN

OFFICE

GROUP

ROOM 1

RECEPTION/CHECK-IN

VEST

WAITING

CORRIDOR

C06

CORRIDOR

C04

CORRIDOR

C05

CORRIDOR

C03 CORRIDOR

C02

CORRIDOR

C01

LOBBY

FIRE

RISER

ROOM

STORAGE

121-SS-1

1" HWS

1" HWS

1 1/2" HWS

1 1/2" HWS

1 1/2" HWR

1 1/2" HWR

1" HWR

1" HWR

1" HWR

121-FCU-1

2" HWR

121-VAV-51

121-VAV-52

121-VAV-53

121-VAV-54

121-VAV-39

121-VAV-29

121-VAV-25A

121-VAV-25B

121-VAV-32

121-VAV-19

121-VAV-37

121-VAV-15

121-VAV-43

121-VAV-48

121-VAV-9

121-VAV-10

121-VAV-4

121-VAV-2

121-VAV-162

121-VAV-40

1" HWR

1" HWS

T

T

T T

T T

T

T

T

T

TTT

T T T

T

T

T

3/4" D

RS

RL

121-CV-53

121-CV-52

121-CV-40

121-CV-39

121-CV-25A

121-CV-29

121-CV-25B

121-CV-32

121-CV-37 121-CV-43

121-CV-15

121-CV-9

121-CV-48

121-CV-2

121-CV-4

121-CV-162

121-CV-51

121-CV-19

3/4" HWR

3/4" HWS

121-VAV-C06

121-CV-C06

T

1 1/2" HWS

1 1/2" HWR

121-VAV-20

M-401

121-CV-54

121-VAV-C01

121-CV-C01

CLEAN

SUPPLY

07A

121-VAV-7

121-VAV-7A

121-VAV-50

121-EF-2

121-LVR-2

121-VAV-13

121-CV-10

121-CV-13

121-CV-50

121-CV-7

121-CV-7A

121-CV-20

1.7

E

A.5

B.11 B.10

T H

T

T

T

T

1" HWR

1" HWS

1" HWS

T

1" HWS

1" HWR

1" HWS

1" HWR

3/4" HWR

3/4" HWS

121-RP-1 121-RP-2

121-CU-1

MH101

MH101

M

5 6

T

121-UH-1

T

Engineers Architects

# KEY NOTES:

Revisions: Date

Drawing Title

Approved

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: ARCHITECT/ENGINEER OF RECORD

SHEET NOTES:

Date Checked Drawn

FULLY SPRINKLERED

U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

ACG Project Number

1/

/2

:0 3:

A

M C

:\U se rs \a va sa

\D oc um en ts \M

_2 2-

1-

BC

LC

V A-

BL

D

G

_a va sa

N N

C 4C

.rv t

MP101

FIRST FLOOR MECHANICAL PIPING

PLAN

3 12PRP

REPLACE BUILDING 121

MICHAEL E. DEBAKEY VAMC

2002 HOLCOMBE BOULEVARD

HOUSTON, TX 77030 JANUARY 24, 2025

100% CONSTRUCTION DOCUMENTS

580-324

SPG

22-021

Scale: 1/8" = 1'-0"1 FIRST FLOOR MECHANICAL PIPING PLAN

1 CONNECT NEW AIR TERMINAL UNIT TO NEW

HEATING HOT WATER SUPPLY/RETURN PIPING.

2 <varies>

3 PROVIDE FLOW METER IN HEATING HOT WATER

PIPING AT POINT INDICATED.

4 PROVIDE A BUILDING PRESSURE SENSOR

ABOVE CEILING IN THIS LOCATION.

5 CONNECT NEW FAN COIL UNIT TO HEATING HOT

WATER AND CHILLED WATER PIPING. PROVIDE

AUXILLIARY DRAIN PAN UNDER FAN COIL UNIT

AND ASSOCIATED PIPING.

6 CONTRACTOR SHALL COORDINATE WITH

OTHER TRADES TO AVOID PLACING THE

THERMOSTAT NEAR A HEAT SOURCE.

A.

B.

C.

D.

COORDINATE ALL WORK WITH THE GENERAL

CONTRACTOR, OTHER TRADES AND THE COR

TO MINIMIZE DISRUPTION OF AREAS OUTSIDE

OF THE PROJECT LIMITS OF WORK.

PROVIDE ISOLATION BALL VALVES FOR EACH

PIPING BRANCH. LOCATE AS CLOSE TO MAIN AS

POSSIBLE.

COORDINATE ALL THERMOSTAT LOCATIONS

WITH ALL OTHER WALL MOUNTED OBJECTS

BEFORE INSTALLATION.

UNLESS NOTED OTHERWISE IN THE SINGLE

DUCT TERMINAL UNIT SCHEDULE, ALL HEATING

HOT WATER SUPPLY AND RETURN RUNOUTS

TO TERMINAL UNITS SHALL BE 3/4".

N O

R

TH

0 4 8 16

121-CHWP-1

121-HWHP-1

121-HWHP-2

121-CHWP-2

121-AS-1

121-ET-1

121-AS-2

121-ET-2

MECHANICAL

121-LVR-1

121-IH-1

121-AHU-1

46x26 RA

40x24 SA

26x20 RA

40x24 RA

M-504

121-FCU-2

1.7

A.5

121-ESH-1

DDC

PANEL

121-HWBT-1

121-CHWBT-1

30x40 EA

VFD'S FOR 121-HWHP-1

& 121-HWHP-2

VFD'S FOR 121-CHWP-1

& 121-CHWP-1

VFD'S FOR SF-1, RF-1.

MOUNT ON UNISTRUT AT

END OF AHU

36x24 OA

18x24 OA

48x24

48x24 OA

A

MECHANICAL

121-HWHP-1

121-AHU-1

121-HWHP-2

121-CHWP-2

121-CHWP-1

121-ET-1

121-AS-1

M-504

3" CHS

2" HWR

2" HWS

2" HWS

2" HWR

121-LVR-1

1" HWR

1" HWS

1" CHR

1" CHS

121-FCU-2

1.7

A.5

121-ESH-1

3" CHR

1 1/2" S-15

1" HWS

1" HWR

121-HRCH-2 121-HRCH-1

4 4

3" CHR

121-HWBT-1

121-CHWBT-1 121-ET-2

121-AS-2

3" HWR

3" CHS

3" CHR

3" H

W S

3" HWR

3" CHS

3" HWS

M

M

3" CHR

DDC

PANEL

PIPING

ROUTED

BELOW

GRADE

VFD'S FOR 121-CHWP-1

& 121-CHWP-2

3" HWS

3" HWR

3" HWS

3" CHR

8 8

VFD'S FOR 121-HWHP-1

& 121-HWHP-2

VFD'S FOR SF-1, RF-1.

3" CHS

3" HWS

3" CHR

3" HWR

Engineers Architects

# KEY NOTES:

Revisions: Date

Drawing Title

Approved

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: ARCHITECT/ENGINEER OF RECORD

SHEET NOTES:

Date Checked Drawn

FULLY SPRINKLERED

U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

ACG Project Number

1/

/2

:0 3:

A

M C

:\U se rs \a va sa

\D oc um en ts \M

_2 2-

1-

BC

LC

V A-

BL

D

G

_a va sa

N N

C 4C

.rv t

M-401

ENLARGED MECHANICAL PLANS

4 12AV

REPLACE BUILDING 121

MICHAEL E. DEBAKEY VAMC

2002 HOLCOMBE BOULEVARD

HOUSTON, TX 77030 JANUARY 24, 2025

100% CONSTRUCTION DOCUMENTS

580-324

SPG

22-021

1 OUTSIDE AIR INTAKE HOOD LOCATED ON ROOF.

BASIS OF DESIGN LOREN COOK MODEL GI.

2 PROVIDE BUTTERFLY VALVES IN HEATHING HOT

WATER AND CHILLED WATER SUPPLY/RETURN

PIPING VERTICAL RISE.

3 HEATING HOT WATER SUPPLY/RETURN AND

CHILLED WATER SUPPLY/RETURN PIPING

TURNED DOWN AT WALL, ROUTE PIPING

UNDERGROUND TO NEW HEAT RECOVERY

CHILLER HEATERS.

4 PROVIDE DUAL ISOLATION VALVES FOR BOTH

CHILLED WATER SUPPLY/RETURN PIPING AND

HOT WATER SUPPLY/RETURN PIPING

CONNECTIONS TO HEAT RECOVERY CHILLER.

SINGLE VALVE SHOWN FOR CLARITY.

5 PROVIDE VALVED OFF AND CAPPED PIPING IN

VALVE BOX FOR CONNECTIONS TO TEMPORARY

EQUIPMENT.

6 ROUTE CONDENSATE DRAIN TO NEAREST

FLOOR DRAIN.

7 PROVIDE NEW ELECTRIC STEAM HUMIDIFIER,

CONNECT TO DOMESTIC COLD WATER PIPING.

ROUTE CONDENSATE TO NEARBY FLOORDRAIN.

8 PROVIDE HEAT TRACE FOR EXTERIOR PIPING

ABOVE GRADE. HEAT TRACE SHALL BE MINIMUM

6 W/ft.

9 CONNECT NEW FAN COIL UNIT TO 3/4" HEATING

HOT WATER PIPING AND 1" CHILLED WATER

PIPING.

12 PROVIDE AIRFLOW MEASURING DEVICE IN

OUTSIDE AIR DUCT IN LOCATION INDICATED

13 PROVIDE NEW CHEMICAL POT FEEDER, SEE

DETAIL 2/M-501 FOR PIPING CONFIGURATION.

14 PROVIDE NEW ENERGY METERS FOR HEATING

HOT WATER SYSTEM AND CHILLED WATER

SYSTEM.

Scale: 1/4" = 1'-0"1 ENLARGED MECHANICAL ROOM 23 HVAC PLAN

Scale: 1/4" = 1'-0"2 ENLARGED MECHANICAL ROOM 23 MECHANICAL PIPING PLAN

A.

B.

C.

COORDINATE ALL WORK WITH THE GENERAL

CONTRACTOR, OTHER TRADES AND THE COR

TO MINIMIZE DISRUPTION OF AREAS OUTSIDE

OF THE PROJECT LIMITS OF WORK.

PROVIDE ISOLATION BALL VALVES FOR EACH

PIPING BRANCH. LOCATE AS CLOSE TO MAIN AS

POSSIBLE.

COORDINATE ALL THERMOSTAT LOCATIONS

WITH ALL OTHER WALL MOUNTED OBJECTS

BEFORE INSTALLATION.

N O

R

TH

0 4 8 16

N O

R

TH

0 4 8 16

TYPICAL WATER

PIPING

REDUCER, IF REQUIRED

3/4" BALL

VALVE

ADAPTER TO 3/4" HOSE

THREAD. PROVIDE

HOSE CAP NUT

NOTES:

1. DRAIN ALL LOW POINTS AS INDICATED ABOVE.

2. WHERE SCALE POCKETS ARE SHOWN ON PIPE RISER DIAGRAMS

AND/OR PLANS, LOCATE DRAIN AT BOTTOM OF SCALE POCKET.

TYPICAL CHILLED WATER AND HOT WATER

PIPING DRAIN VALVE CONNECTIONS

ELEVATION:

THREADED PIPING

ELEVATION:

WELDED PIPING

1/4" COPPER TUBING

1/2" X 4" NIPPLE

AIR VENT

1/2" BALL VALVE

MV

OR

AV

CIRCULATING WATER

PIPING

ELEVATION

NOTES:

1. VENT ALL HIGH POINTS INDICATED ABOVE.

2. IF AUTOMATIC AIR VENTS ARE USED, PIPE DISCHARGE TO DRAIN.

TYPICAL MANUAL AIR VENT

2 1/2" [65mm] DIA.

ABOVE 2" [50mm] DIA. PIPE 2" [50mm] DIA. & SMALLER

HORIZONTAL

2 1/2" [65mm] DIA.

2" [50mm] DIA. & SMALLER2" [50mm] DIA. & SMALLER

VERTICAL

PIPE INSULATION TO BE

CONTINUOUS THROUGH

PENETRATION

INTERIOR

WATERPROOF, UV

RESISTANT SEALANT

SLEEVE THROUGH WALL

TRIM FLUSH WITH FINISHED

SURFACE

EXTERIOR

WATERPROOF, UV

RESISTANT SEALANT

PIPE INSULATION TO BE

CONTINUOUS THROUGH

PENETRATION

EXTERIOR

WALL

EXTERIOR

WALL

NOM. SIZE (IN.)

PIPE (FT.)

TUBING (FT.)

5 FT

THRU 3/4

1 1 1/4

1 1/2

HANGER ROD

INSULATION (VAPOR

BARRIER TYPE IS

REQUIRED FOR

LOW TEMPERATURE

PIPE)

PROVIDE HIGH

COMPRESSIVE

STRENGHT

INSULATION (9 PSF

MIN. DENSITY) UNDER

INSULATION SHIELD

INSULATION SHIELD AT

HANGER

WELD

SADDLE

ADJUSTABLE CLEVIS HANGER TYPE 1 - SEE

SPECIFICATIONS

ADJUSTABLE CLEVIS HANGER TYPE 43 - SEE

SPECIFICATIONS

1/2" DIA. HANGER RODS

WITH 36" MAX. SPACING

ON EACH CHANNEL

BAND

1-5/8" 12 GAUGE CHANNEL

OR 2" x 2" x 1/4" ANGLE

NOTES:

SEE SPECIFICATIONS FOR DETAILED

HANGER REQUIREMENTS.

SIDE VIEW TRAPEZE HANGER

FOR UP TO 1000 LB. UNIFORM

LOAD

1" MAX.

PROVIDE INSULATION SHIELD &

INSERT FOR ALL PIPING (8" MIN.)

2 2 1/2 3 4 5 6 8 10 12

11 12 14 16 17 19 22 23

9 10 12 13 14 16 - -

NOTE: FOR TRAPEZE HANGER TAKE SPACING OF SMALLEST SIZE ON TRAPEZE

MAXIMUM PIPE/TUBING SUPPORT SPACING

FLEXIBLE CONNECTOR (TYPICAL)

PUMP

SPRING VIBRATION ISOLATOR (TYPICAL)

CONCRETE PAD

NOTES:

SEE SPECIFICATION SECTION "PUMPS" FOR Y STRAINER OPTION

CONCRETE INERTIA BASE

1" MIN. DIA. PIPE STAND

DRAIN

SUCTION DIFFUSER WITH BUILT IN

STRAINER. OPTIONAL: LONG

RADIUS ELBOW AND INLET

STRAINER WITH 3 X DIA. STRAIGHT

INLET TO PUMP

PRESSURE GAUGE

STRAINER (PROVIDE IF SUCTION

DIFFUSER IS NOT USED)

BUTTERFLY SHUT OFF VALVE (TYP.)

CHECK VALVE

INSTALL HANGER AS CLOSE

TO PIPE ELBOW AS

POSSIBLE

RIGID PIPE HANGER

FIRST 3 HANGERS FOR EACH PIPE AND

BRANCH SHALL BE SPRING & NEOPRENE

TYPE. TYPE "H" FOR 4" DIA. PIPE & SMALLER .

TYPE "H-P" FOR 5" DIA. PIPE & LARGER

CIRCULATING

PUMP(S)

3/4"

AUTOMATIC

FLOW CONTROL

AND BALANCE

DEVICE

CHEMICAL SHOT FEEDER

3/4" - ROUTE

TO NEAREST DRAIN

HOT WATER

PIPING

3/4"

Scale: No Scale1 PIPE HANGER DETAIL

Engineers Architects Revisions: Date

Drawing Title

Approved

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: ARCHITECT/ENGINEER OF RECORD

Date Checked Drawn

FULLY SPRINKLERED

U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

ACG Project Number

1/

/2

:0 3:

A

M C

:\U se rs \a va sa

\D oc um en ts \M

_2 2-

1-

BC

LC

V A-

BL

D

G

_a va sa

N N

C 4C

.rv t

M-501

MECHANICAL DETAILS

5 12AV

REPLACE BUILDING 121

MICHAEL E. DEBAKEY VAMC

2002 HOLCOMBE BOULEVARD

HOUSTON, TX 77030 JANUARY 24, 2025

100% CONSTRUCTION DOCUMENTS

580-324

SPG

22-021

Scale: No Scale7

DRAIN VALVE AND AIR VENT CONNECTIONS (HYDRONIC

SYSTEMS)

Scale: No Scale5 INSTALLATION OF THERMOMETER WELLS

Scale: No Scale4 EXTERIOR WALL PIPE PENETRATION DETAIL

Scale: No Scale6

BASE-MOUNTED HOT WATER AND CHILLED WATER PUMPS

WITH FLEXIBLE CONNECTOR

Scale: No Scale2 CHEMICAL POT FEEDER DETAIL

NOTES:

1. ALL VANE ELBOWS SHALL BE CONSTRUCTED AND INSTALLED AS DETAILED BY SMACNA.

2. WHEN W1 DOES NOT EQUAL W2, VANE SHALL BE SINGLE THICKNESS VANE TYPE

REGARDLESS OF W DIMENSION.

3. ALL SINGLE THICKNESS VANES SHALL HAVE A 2" RADIUS, 1-1/2" MAXIMUM SPACE BETWEEN

VANES AND A 3/4" TRAILING EDGE.

4. WHEN W EQUAL W2 AND W1 IS GREATER THAN 20" VANES SHALL BE DOUBLE VANE TYPE.

W1

W

NOTES:

1. THE INTERIOR SURFACE OF ALL RADIUS ELBOWS SHALL BE MADE ROUND.

2. ALL STANDARD ELBOWS CAN BE SUBSTITUTED WITH SHORT RADIUS ELBOWS.

ALL SHORT RADIUS ELBOWS SHALL HAVE VANES. VANES SHALL BE

CONSTRUCTED , SUPPORTED AND FASTENED AS RECOMMENDED BY SMACNA.

STANDARD RADIUS OR

LONG RADIUS ELBOW

SHORT RADIUS ELBOW

WITH ONE VANE

SHORT RADIUS ELBOW

WITH TWO VANES

R

SHALL

EQUAL OR

BE

GREATER

THAN 1/6 W

R

SHALL

EQUAL OR

BE

GREATER

THAN 1/3 W

R

SHALL

EQUAL OR

BE

GREATER

THAN W

R

W

W

2/3W

R

1/ 3W

1/ 3W1/2W

VANE VAN

E R

W

1/6W

SEE SPECIFICATIONS FOR CLAMPS

AND SEALANT (TYP.)

SUPPORT SADDLE

FROM STRUCTURE

FLEXIBLE DUCT SIZE

SAME AS DIFFUSER

INLET: 5'-0" MAX

LENGTH

USE RIGID ELBOWS

FOR CHANGE OF

DIRECTION GREATER

THAN 45°

TYPICAL DIFFUSER

OR REGISTER IN

LAY-IN CLG.

THERMAL INSULATION

SEE SPECIFICATIONS

CONICAL OUTLET

BRANCH DUCT

12"

SHEET METAL SADDLE

VOLUME DAMPER WITH

LOCKING QUAD

CEILING

MAIN SUPPLY

DUCT

PROVIDE VOLUME

DAMPER

PROVIDE VOLUME DAMPER

ON BRANCHES (TYP)

1/4 W OR

4" MIN.

SUPPLY REGISTER OR

BRANCH DUCT

MAIN

SUPPLY

DUCT

SEE FLOOR PLAN FOR

SPLIT DIMENSION

TURNING VANES

AIR FLOW

AIR FLOW

AI

R

F

LO

W

AIR SPLIT DUCT TAKE-

OFF PLAN VIEW

BRANCH DUCT TAKE-OFF

PLAN VIEW

AIR FLOW

AI

R

FL

OW

W

MAIN SUPPLY

DUCT

CONICAL TAP

TERMINAL UNIT DUCT TAKE-

OFF PLAN VIEW

AIR FLOW

AI

R

FL

OW

W

NOTES:

1. LATCHES SHALL BE OF THE WEDGE TYPE TO CLOSE DOORS TIGHTLY.

2. HINGES ON THE ACCESS DOORS SHALL HAVE NON-CORROSIVE PINS.

3. SEE SMACNA 2005, FIGURE 9-16

INSULATION

DUCT

GASKET

INSULATION

SECTION "A-A"

ACCESS PANEL

CASING

GASKET HANDLE INSIDE

FLEXIBLE WASHER

FACTORY

FABRICATED LATCH

SECTION "B-B"

ACCESS DOOR

INSULATION

"B" "B"

"A"

"A"

NOTES:

1. DELETE INSULATION STAND-OFF ON DUCTWORK WITHOUT EXTERIOR INSULATION.

2. DETAIL SHOWS SINGLE BLADE DAMPER. DAMPER INSTALLATION SHALL BE SIMILAR FOR

MULTI-BLADE DAMPERS & ROUND DAMPERS.

SECTIONSIDE ELEVATION

1/2" ROUND ROD PIN

1/8" CLEARANCE

ALL AROUND

INSIDE END

BEARING

INSULATION

STAND-OFF

DAMPER BLADE

HANDLE

WITH

LOCKING

QUADRANT

STIFFEN BLADE

AS REQUIRED

INSULATION SEE

SPECIFICATION

DUCT

OUTSIDE END BEARING

SHEET METAL AS

SPECIFIED FOR

DUCTWORK

1-1/2" POCKET SLIP

DUCT

1-1/2" MIN. TO 3" MAX.

INSTALLED. 6" NOMINAL

WITH MATERIAL TAUT

1" FLANGE & HEM

BOLT ON 4" CENTERALTERNATE

POSITION OF

BOLT

1" x 1/8" BAND IRON

WASHER

SHEET METAL AS SPECIFIED

FOR DUCTWORK

FLANGED CONNECTION

ON FAN SIDE

FLEXIBLE MATERIAL

AS SPECIFIED

5/16" FLANGE

BOLT ON 4" CENTERS

1" x 1/8" BAND IRON

WASHER

FLANGED

CONNECTION ON FAN

SIDE

1" x 1/8" DRAW BAND

FLEXIBLE

MATERIAL AS

SPECIFIED

SHEET METAL SCREWS

ON 12" CENTERS

RIVET ON 4" CENTERS

DUCT

1-1/2" MIN. TO 3" MAX.

INSTALLED. 6" NOMINAL

WITH MATERIAL TAUT

RECTANGULAR FLEXIBLE CONNECTION

ROUND FLEXIBLE CONNECTION

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

NOTES:

1. RIGID STRAIGHT TERMINAL UNIT INLET LENGTH SHALL BE A MINIMUM

OF 3 TIMES THE DIAMETER OF INLET.

2. A FLEXIBLE AIR DUCT CONNECTOR IS NOT MANDATORY FOR INLET

TO THIS BOX, BUT ALLOWED TO ACCOMODATE MINOR OFFSETS.

MAXIMUM LENGTH 3'-0".

3. A BRANCH DUCT SERVING AN INDIVIDUAL BOX MAY BE THE SAME

SIZE AS THE BOX INLET, PROVIDED THE EQUIVALENT LENGTH OF THE

BRANCH DUCT, AS SHOWN, DOES NOT EXCEED 10 FEET. FOR

LONGER LENGTHS, INCREASE THE DUCT SIZE AND PROVIDE A DUCT

TRANSITION TO MAINTAIN THE DUCT STATIC PRESSURE DROP AT OR

BELOW 0.2"/100'.

4. FLEXIBLE AIR DUCT CONNECTORS, WHEN USED FROM TERMINAL

UNIT SUPPLY AIR DUCT TO DIFFUSER, SHALL NOT EXCEED 5'-0". USE

RIGID ELBOWS FOR CHANGE OF DIRECTION GREATER THAN 45°.

5. COMPONENT ARRANGEMENT MAY VARY BY MANUFACTURER.

PROVIDE INSULATION W/VAPOR BARRIER FOR CONNECTING DUCT

SECTIONS.

AIR TERMINAL UNIT

(CV OR VAV)

SEE NOTE 5

SEE SPECIFICATIONS FOR

CLAMPS AND SEALANT (TYP.)

AIR DISTRIBUTION VARIES

WITH ROOM LAYOUT

FLEXIBLE AIR DUCT

CONNECTOR. SEE DETAIL

SOUND ATTENUATOR SEE

EQUIPMENT SCHEDULE

REHEAT COILSEE NOTE 1

SEE NOTE 2

SEE NOTE 3SU

PP

LY

A

IR

D

U C

T

SE

E

N O

TE

LOAD RATED

FASTENERS

BAND OF SAME

SIZE AS HANGER

STRAP

50"Ø & UNDER

HANGER RODS

BAND

OVER 50"Ø

NOTE:

TABULATED DATA FROM SMACNA

ALLOWS FOR DUCT REINFORCING AND

INSULATION, BUT NOT EXTERNAL

LOAD. VERIFY ALL DATA IN THIS TABLE

WITH LATEST EDITION OF SMACNA.

MAX DUCT Ø

(IN.)

QUANTITY/SIZE (IN.) MAX LOAD

(LBS.)

MAX SPACING

(IN.)

ONE 1 x 22 GA STRAP ONE 1 x 18 GA STRAP ONE 1 x 16 GA STRAP

TWO 3/8 Ø RODS

TWO 1/2 Ø RODS

HANGER STRAPS OR RODS

COIL

REDUCER IF REQUIRED

SHUTOFF VALVE (TYP.)

WATER RETURN

WATER SUPPLY

MODULATING CONTROL VALVE

MANUAL AIR VENT

TEST PLUG (TYP.)

UNION CONNECTIONS (TYP)

DRAIN WITH HOSE

CONNECTION

MV

CIRCUIT SETTER OR AUTOFLOW

BALANCING VALVE

STRAINER WITH

DRAIN VALVE

SUPPLY AIR

REHEAT COIL

UNION (TYP)

HHWR

HHWS

3/4" DRAIN VALVE STRAINER & BLOW

OFF VALVE

BALL VALVE (TYP.)

AIR INLET

VAV UNIT MANUAL VENT

2-WAY MODULATING CONTROL VALVE

BALANCING VALVE

THREE DUCT DIAMETERS OF STRAIGHT DUCT

FLEXIBLE DUCT SEGMENT FOR VIBRATION ISOLATION

ROUND OR FLAT OVAL

DUCT SECTION

COVER WITH HANDLE

AND CHAIN RETAINER

GASKETED AND

PRESSURE SEALED

HOUSING WELDED

TO DUCT SECTION

SMACNA FIGURE 4-6 45°

LEED IN RIGID DUCT TO

AIR TERMINAL UNIT

MAIN SUPPLY

FLOW

FL

O

W

PLAN VIEW

Engineers Architects Revisions: Date

Drawing Title

Approved

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: ARCHITECT/ENGINEER OF RECORD

Date Checked Drawn

FULLY SPRINKLERED

U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

ACG Project Number

1/

/2

:0 3:

A

M C

:\U se rs \a va sa

\D oc um en ts \M

_2 2-

1-

BC

LC

V A-

BL

D

G

_a va sa

N N

C 4C

.rv t

M-502

MECHANICAL DETAILS

6 12AV

REPLACE BUILDING 121

MICHAEL E. DEBAKEY VAMC

2002 HOLCOMBE BOULEVARD

HOUSTON, TX 77030 JANUARY 24, 2025

100% CONSTRUCTION DOCUMENTS

580-324

SPG

22-021

Scale: No Scale1 DUCTWORK SQUARE VANE ELBOWS

Scale: No Scale2 DUCTWORK RADIUS ELBOW

Scale: No Scale6 FLEX AIR DUCT CONNECTOR DETAIL

Scale: No Scale3 DUCT BRANCH TAKE-OFFS

Scale: No Scale13 TERMINAL UNIT COIL PIPING CONNECTION DETAIL

Scale: No Scale9 ACCESS PANEL AND DOOR DETAIL

Scale: No Scale5 VOLUME DAMPER DETAIL

Scale: No Scale7 FLEXIBLE DUCT CONNECTIONS DETAIL Scale: No Scale4

ALTERNATE SUPPLY DUCT TAKEOFF - AIR TERMINAL

UNITS

Scale: No Scale11 VAV UNIT WITH REHEAT COIL DETAIL

Scale: No Scale10 ACCESS SECTION FOR ROUND/OVAL DUCT

Scale: No Scale12 DUCT CONNECTIONS - AIR TERMINAL UNITS

Scale: No Scale8 ROUND DUCT HANGERS

12"

4"

4"

BOLT UNIT TO PAD PER

MANUFACTURER'S

RECOMMENDATIONS

LEVEL DIRT UNDER PAD AS

REQUIRED SO UNIT SITS ON

A LEVEL SURFACE

NEW CONCRETE

CONDENSING UNIT PAD

DENOTES

CLEARANCES

(TYP.)

REFRIGERANT LIQUID AND

SUCTION LINES INTO BUILDING -

ONLY 1 PENETRATION THROUGH

THE EXTERIOR WALL SHALL

EXIST FOR EACH GROUPING OF

CONDENSING UNITS.

EXTERIOR WALL

NOTE:

CLEARANCES INDICATED IN THIS ARE MINIMUM REQUIRED. USE THESE MINIMUM DIMENSIONS,

MANUFACTURES RECOMMENDATIONS, OR LARGER IF INDICATED ON PLANS.

GRADE

TT

CHS

FS

TT

CHR

TEST PLUGS

FLEXIBLE

CONNECTORS

FLOW

SWITCH

DDC

TEMPERATURE

SENSOR TO ECC

PRESSURE

GAUGE

THERMOMETER

HEAT RECOVERY

CHILLER-HEATER

1.

2.

NOTES:

PROVIDE HEAT TRACING WRAPPED AROUND ON ALL EXPOSED PIPING, ALL VALVES, STRAINER,

FLOW SWITCH, AND FLEXIBLE CONNECTORS UNDER INSULATION.

PROVIDE ALUMINUM JACKETING ON ALL EXPOSED, INSULATED PIPING.

STRAINGER WITH

BLOW-DOWN

TO PUMP SUCTION

BUTTERFLY

ISOLATION

VALVE

DRAIN

AIR

SEPARATOR

AUTOMATIC AIR VENT

REDUCED PRESSURE

BACKFLOW PREVENTER

HANGER

RODS

(TYP)

FROM SYSTEM

D

3/4" DOMESTIC COLD WATER

FEED

RUN DRAIN LINE TO

NEAREST FD

D NC

1.

NOTES:

SET PRESSURE REDUCING VALVE SO PRESSURE AT HIGHEST

POINT IN SYSTEM HAS A MINIMUM OF 4 PSIG.

AIR CHARGING

(SHRAEDER) VALVE

BLADDER OR

DIAGPHRAGM

EXPANSION TANK

CONNECT TO SIDE

OF PIPE MAIN

DRAIN

LOCK SHIELD VALVE

AUTOMATIC AIR VENT

PRESSURE GAUGE

4" CONCRETE PAD

MECH ROOM FLOOR

BALL VALVE (TYP.) STRAINER W/ BLOWDOWN

WATER PRESSURE

REGULATING VALVE

BYPASS

(GLOBE) VALVE

SAFETY RELIEF VALVE

(CHILLED WATER SYSTEM

ONLY), RUN DRAIN LINE TO

NEAREST FLOOR DRAIN

HEAT TRACE ALL

ABOVE-GRADE EXTERIOR PIPING

P/T TEST

PLUG

(TYP)

EXTERIOR WALL

1/4" BALL VALVE (TYP)

PRESSURE

GAUGE (TYP)

THERMOMETER (TYP)

SECURE

TO

CONCRETE

PAD (TYP)

ROUTE FULL SIZE

DRAIN TO

NEAREST AREA

DRAIN

GRADE

GRADE

FLOOR

1.

2.

3.

VERIFY ACTUAL WATER AND DRAIN CONNECTION LOCATIONS

WITH HEAT RECOVERY CHILLER-HEATER MANUFACTURER.

PROVIDE HEAT TRACE FOR ALL ABOVE GRADE EXTERIOR

HEATING HOT WATER AND CHILLED WATER PIPING. HEAT

TRACE SHALL BE CHROMALOX (OR EQUAL) SELF REGULATING

TYPE, 8 WATTS/LINEAR FOOT, 120V/1Ph.

ONLY A SINGLE HEAT RECOVERY CHILLER-HEATER IS

INDICATED IN THIS DETAIL. PIPING SHOWN IS FOR

REFERENCE ONLY AND IS NOT INTENDED TO INDICATE THE

ROUTE OF PIPING.

NOTES:

HEATING HOT WATER

AND CHILLED WATER

SUPPLY AND RETURN

ROUTED BELOW GRADE

HEAT RECOVERY CHILLER-HEATER

BUTTERFLY

VALVE (TYP)

PROVIDE DUAL

ISOLATION VALVES,

SINGLE VALVE SHOWN

FOR CLARITY

AAV MV

MV

AAV

MV

MV

AAV

SINGLE COIL

DOUBLE COIL

WATER COIL

WATER COIL

WATER COIL

AIR VENT WHEN

COIL IS NOT SELF-

VENTING (TYP.)

TEST PLUG (TYP.)

DRAIN WHEN COIL IS NOT

SELF-DRAINING (TYP.)

DRAIN (TYP)

PIPE HANGERS SHALL SUPPORT

PIPING INDEPENDENT OF COIL (TYP.)

REDUCER, IF REQUIRED

(TYP.)

1.

2.

NOTES:

WHEN COIL IS INCLUDED IN CASING MOUNTED ON VIBRATION ISOLATORS THE FIRST TWO HANGERS FOR EACH PIPE SHALL BE SPRING & NEOPRENE TYPE. TYPE "H" 4" DIA. PIPE & SMALLER. TYPE "H-P" FOR 5" DIA. PIPE & LARGER.

PIPING SHALL BE INSTALLED IN SUCH A MANNER THAT IT WILL NOT BLOCK THE SWING OR USE OF ACCESS DOORS OR PANELS;

NEITHER SHALL IT BLOCK THE SERVICING OF FILTERS, VALVES, OR EQUIPMENT.

BALL OR

BUTTERFLY

VALVE (TYP)

BALANCING VALVE

(TYP)

3-WAY MODULATING

CONTROL VALVE

(TYP)

AAV: AUTOMATIC AIR VENT

MV: MANUAL AIR VENT

BALANCING

(THROTTLING)

VALVE, TYP.

M

FLOW METER (TYP)

M

ACCESS DOOR HALF

HEIGHT OF DUCT (24" X 24"

MIN.)

SEAL ALL JOINTS IN

DUCTWORK AIR AND

WATER TIGHT

MINIMUM 24" DEEP PLENUM

LOUVER PLENUM.

EXERNALLY INSULATE ALL

EXPOSED PARTS WITH 2"

RIGID BOARD INSULATION

LOUVER AND BIRDSCREEN

BY DIV. 10 REFER TO

ARCHITECTURAL

DRAWINGS FOR SIZE AND

LOCATION OF LOUVER

SILL BY LOUVER

MANUFACTURER

CAULK ALL AROUND

EXTERIOR WALL, REFER

TO ARCHITECTURAL

DRAWINGS FOR WALL

TYPE

SLOPE FOR DRAINAGE

SEAL CONNECTIONS TO

EXTERIOR WALL AIR AND

WATER TIGHT

DUCTWORK, REFER TO

HVAC PLANS FOR EXACT

SIZE AND ROUTING

ANCHOR BOLT

PIPE SLEEVE

(5D, 3" MIN.)

WELD HEAD TO PLATE

OR BEND OVER END

5D

FLOOR

CONCRETE BASE

A

2D

5D

5D

1"

SECTION B-BPLAN

A

B B

L

W

D

EQUIPMENT BASE PLATE

TYPICAL ANCHOR

BOLT AND NUT &

WASHER

PROVIDE DOUBLE SLAB

REINFORCING IN BASE AREA

SECTION A-A (BASE POURED WITH FLOOR SLAB)

L/

5" M

IN

SECTION A-A (BASE NOT POURED WITH FLOOR SLAB)

EQUIPMENT BASE PLATE

L/

5" M

IN

TYPICAL ANCHOR

BOLT AND NUT &

WASHER

PROVIDE #3 BARS 12" O.C.

EACH WAT IN THE BASE &

DOWEL BASE FLOOR

NOTE:

L & W DIMENSIONS SHALL BE 6" GREATER THAN THE EQUIPMENT BASE

PLATE.

16"

DRAIN LINE SHALL BE AT LEAST THE

SAME SIZE AS THE NIPPLE ON THE

DRAIN PAN. PIPING SHALL BE RIGID

COPPER TYPE L OR TYPE M

PITCH DOWN TOWARD DRAIN

CLEANOUT

FLOOR SINK

DRAIN PAN

DIALECTRIC FITTING

NOTES:

1. CPVC PIPE MAY BE USED ONLY IF APPROVED BY LOCAL VA AND IS INDOORS AND DOES

NOT PASS THROUHG RATED BARRIERS.

2. DIALECTRIC FITTING TO BE USED WHEN TWO DISSIMILAR METALS ARE TO BE CONNECTED.

UNIT TYPE A B

WHERE X = STATIC PRESSURE IN PAN

DRAW THRU

BLOW THRU

2" PLUS X

1" MINIMUM

X

2X

B A

1"

ACCESS DOOR

FILTER

FAN

DRAIN PAN & PIPE

CONNECTION

HANGER ROD SUPPORTS

SECURE TO STRUCTURE ABOVE

WITH SPRING ISOLATORS, TYP.

S A

COILS

RA DUCT

FLEXIBLE CONNECTOR

DUCT COLLAR

EXISTING DUCT

SUPPORTS

DRAIN PIPING

WITH TRAP

C

LG

H

TG

4 PORT HOT WATER

BUFFER TANK

HWS TO

SYSTEM

HWR FROM

SYSTEM

HWS FROM HEATING

HOT WATER SOURCE

HWR TO HEATING HOT

WATER SOURCE

DRAIN

4" CONCRETE

EQUIPMENT PAD

MECHANICAL

ROOM FLOOR

AIR VENT

CHILLED WATER

BUFFER TANK

CHR FROM

SYSTEM

CHR TO CHILLED

WATER SOURCE

DRAIN

4" CONCRETE

EQUIPMENT PAD

MECHANICAL

ROOM FLOOR

AIR VENT

Engineers Architects Revisions: Date

Drawing Title

Approved

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: ARCHITECT/ENGINEER OF RECORD

Date Checked Drawn

FULLY SPRINKLERED

U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

ACG Project Number

1/

/2

:0 3:

A

M C

:\U se rs \a va sa

\D oc um en ts \M

_2 2-

1-

BC

LC

V A-

BL

D

G

_a va sa

N N

C 4C

.rv t

M-503

MECHANICAL DETAILS

7 12AV

REPLACE BUILDING 121

MICHAEL E. DEBAKEY VAMC

2002 HOLCOMBE BOULEVARD

HOUSTON, TX 77030 JANUARY 24, 2025

100% CONSTRUCTION DOCUMENTS

580-324

SPG

22-021

Scale: No Scale7 LOUVER CONNECTION DETAIL

Scale: No Scale8 CONDENSING UNIT INSTALLATION DETAIL - ON GRADE

Scale: No Scale6 AIR HANDLING UNIT WATER COILS - PIPING CONNECTIONS DETAIL

Scale: No Scale1

EXPANSION TANK AND AIR SEPARATOR FOR HEATING HOT WATER AND CHILLED WATER

SYSTEMS - PIPING CONNECTIONS

Scale: No Scale9 CONCRETE EQUIPMENT BASE DETAIL

Scale: No Scale5 FAN COIL UNIT DRAIN TRAP DETAIL

Scale: No Scale3

HEAT RECOVERY CHILLER-HEATER

- PIPING CONNECTIONS

Scale: No Scale2

HEAT RECOVERY CHILLER-HEATER

INSTALLATION DETAIL

Scale: No Scale4 FAN COIL UNIT INSTALLATION DETAIL

Scale: No Scale10 4 PORT HOT WATER BUFFER TANK DETAIL

Scale: No Scale11 CHILLED WATER BUFFER TANK DETAIL

VARIABLE AIR VOLUME - AHU (TYPICAL OF 1)

RUN CONDITIONS - CONTINUOUS:

THE UNIT SHALL RUN CONTINUOUSLY.

EMERGENCY SHUTDOWN:

THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPON RECEIVING AN EMERGENCY SHUTDOWN SIGNAL.

FREEZE PROTECTION:

THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPON RECEIVING A FREEZESTAT STATUS.

HIGH STATIC SHUTDOWN:

THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPON RECEIVING AN HIGH STATIC SHUTDOWN SIGNAL.

SUPPLY AIR SMOKE DETECTION:

THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPON RECEIVING A SUPPLY AIR SMOKE DETECTOR STATUS.

SUPPLY FAN:

THE SUPPLY FAN SHALL RUN ANYTIME THE UNIT IS COMMANDED TO RUN, UNLESS SHUTDOWN ON SAFETIES.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

SUPPLY FAN FAILURE: COMMANDED ON, BUT THE STATUS IS OFF.

SUPPLY FAN IN HAND: COMMANDED OFF, BUT THE STATUS IS ON.

SUPPLY AIR DUCT STATIC PRESSURE CONTROL:

THE CONTROLLER SHALL MEASURE DUCT STATIC PRESSURE AND SHALL MODULATE THE SUPPLY FAN VFD SPEED TO MAINTAIN A DUCT STATIC PRESSURE SETPOINT OF 1.5IN H2O (ADJ.). THE SUPPLY FAN VFD SPEED SHALL NOT DROP BELOW 30% (ADJ.).

ALARMS SHALL BE PROVIDED AS FOLLOWS:

HIGH SUPPLY AIR STATIC PRESSURE: IF THE SUPPLY AIR STATIC PRESSURE IS 25% (ADJ.) GREATER THAN SETPOINT.

LOW SUPPLY AIR STATIC PRESSURE: IF THE SUPPLY AIR STATIC PRESSURE IS 25% (ADJ.) LESS THAN SETPOINT.

SUPPLY FAN VFD FAULT.

RETURN FAN:

THE RETURN FAN SHALL RUN WHENEVER THE SUPPLY FAN RUNS.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

RETURN FAN FAILURE: COMMANDED ON, BUT THE STATUS IS OFF.

RETURN FAN IN HAND: COMMANDED OFF, BUT THE STATUS IS ON.

PREHEATING COIL VALVE:

THE CONTROLLER SHALL MEASURE THE MIXED AIR TEMPERATURE AND MODULATE

THE PREHEATING SHALL BE ENABLED WHENEVER:

OUTSIDE AIR TEMPERATURE IS LESS THAN 60°F (ADJ.).

AND THE ECONOMIZER IS DISABLED.

AND THE SUPPLY FAN STATUS IS ON.

THE PREHEATING COIL VALVE SHALL OPEN FOR FREEZE PROTECTION WHENEVER:

MIXED AIR TEMPERATURE DROPS BELOW 40°F (ADJ.).

OR THE FREEZESTAT IS ON.

OR IF SUPPLY AIR TEMPERATURE DROPS BELOW 52°F (ADJ.).

SUPPLY AIR TEMPERATURE SETPOINT - FIXED:

THE CONTROLLER SHALL MONITOR THE SUPPLY AIR TEMPERATURE AND SHALL MAINTAIN FIXED SUPPLY AIR TEMPERATURE SETPOINTS AS

FOLLOWS:

COOLING: THE SETPOINT SHALL BE 54°F (ADJ.).

PREHEATING: THE SETPOINT SHALL BE 52°F (ADJ.)

COOLING COIL VALVE:

THE CONTROLLER SHALL MEASURE THE SUPPLY AIR TEMPERATURE AND MODULATE THE COOLING COIL VALVE TO MAINTAIN ITS COOLING

SETPOINT.

THE COOLING SHALL BE ENABLED WHENEVER:

OUTSIDE AIR TEMPERATURE IS GREATER THAN 54°F (ADJ.).

AND THE ECONOMIZER IS DISABLED OR FULLY OPEN.

AND THE SUPPLY FAN STATUS IS ON.

THE COOLING COIL VALVE SHALL OPEN TO 50% (ADJ.) WHENEVER THE FREEZESTAT IS ON.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

HIGH SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS 5°F (ADJ.) GREATER THAN SETPOINT.

LOW SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS LESS THAN 50°F (ADJ.).

ECONOMIZER:

THE CONTROLLER SHALL MEASURE THE MIXED AIR TEMPERATURE AND MODULATE THE ECONOMIZER DAMPERS IN SEQUENCE TO MAINTAIN A SETPOINT 2°F (ADJ.) LESS THAN THE SUPPLY AIR TEMPERATURE SETPOINT. THE OUTSIDE AIR DAMPERS SHALL MAINTAIN A

MINIMUM ADJUSTABLE POSITION OF 30% (ADJ.) OPEN WHENEVER OCCUPIED.

THE ECONOMIZER SHALL BE ENABLED WHENEVER:

OUTSIDE AIR TEMPERATURE IS LESS THAN 54°F (ADJ.).

AND THE SUPPLY FAN STATUS IS ON.

THE ECONOMIZER SHALL CLOSE WHENEVER:

MIXED AIR TEMPERATURE DROPS BELOW 38°F (ADJ.).

OR THE FREEZESTAT IS ON.

OR ON LOSS OF SUPPLY FAN STATUS.

THE OUTSIDE AND EXHAUST AIR DAMPERS SHALL CLOSE AND THE RETURN AIR DAMPER SHALL OPEN WHEN THE UNIT IS OFF.

HUMIDIFIER CONTROL:

THE CONTROLLER SHALL MEASURE THE SPACE HUMIDITY AND MODULATE THE HUMIDIFIER TO MAINTAIN A SETPOINT OF 35% RH (ADJ.).

THE HUMIDIFIER SHALL BE ENABLED WHENEVER THE SUPPLY FAN STATUS IS ON.

THE HUMIDIFIER SHALL TURN OFF WHENEVER:

SPACE HUMIDITY RISES 5% RH (ADJ.) ABOVE SETPOINT.

OR ON LOSS OF SUPPLY FAN STATUS.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

HIGH SPACE HUMIDITY: IF THE SPACE HUMIDITY IS GREATER THAN 70% RH (ADJ.).

LOW SPACE HUMIDITY: IF THE SUPPLY AIR HUMIDITY IS LESS THAN 25% RH (ADJ.).

PREFILTER DIFFERENTIAL PRESSURE MONITOR:

THE CONTROLLER SHALL MONITOR THE DIFFERENTIAL PRESSURE ACROSS THE PREFILTER.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

PREFILTER CHANGE REQUIRED: PREFILTER DIFFERENTIAL PRESSURE EXCEEDS A USER DEFINABLE LIMIT (ADJ.).

FINAL FILTER DIFFERENTIAL PRESSURE MONITOR:

THE CONTROLLER SHALL MONITOR THE DIFFERENTIAL PRESSURE ACROSS THE FINAL FILTER.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

FINAL FILTER CHANGE REQUIRED: FINAL FILTER DIFFERENTIAL PRESSURE EXCEEDS A USER DEFINABLE LIMIT (ADJ.).

MIXED AIR TEMPERATURE:

THE CONTROLLER SHALL MONITOR THE MIXED AIR TEMPERATURE.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

HIGH MIXED AIR TEMP: IF THE MIXED AIR TEMPERATURE IS GREATER THAN 85°F (ADJ.).

LOW MIXED AIR TEMP: IF THE MIXED AIR TEMPERATURE IS LESS THAN 45°F (ADJ.).

RETURN AIR HUMIDITY:

THE CONTROLLER SHALL MONITOR THE RETURN AIR HUMIDITY.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

HIGH RETURN AIR HUMIDITY: IF THE RETURN AIR HUMIDITY IS GREATER THAN 70% (ADJ.).

LOW RETURN AIR HUMIDITY: IF THE RETURN AIR HUMIDITY IS LESS THAN 25% (ADJ.).

RETURN AIR TEMPERATURE:

THE CONTROLLER SHALL MONITOR THE RETURN AIR TEMPERATURE.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

HIGH RETURN AIR TEMP: IF THE RETURN AIR TEMPERATURE IS GREATER THAN 80°F (ADJ.).

LOW RETURN AIR TEMP: IF THE RETURN AIR TEMPERATURE IS LESS THAN 55°F (ADJ.).

SUPPLY AIR TEMPERATURE:

THE CONTROLLER SHALL MONITOR THE SUPPLY AIR TEMPERATURE.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

HIGH SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS GREATER THAN 60°F (ADJ.).

LOW SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS LESS THAN 48°F (ADJ.).

BUILDING PRESSURE:

THE RELIEF DAMPER SHALL MODULATE TO MAINTAIN BUILDING PRESSURE 0.01 TO 0.02 IN.W.C. HIGHER THAN OUTSIDE THE

BUILDING.

RETURN AIR

PRESSURE SWITCH HIGH TO DISABLE

FAN WHEN HIGH PRESSURE LIMIT

SETPOINT IS REACHED (TYPICAL)

STEAM

HUMIDIFIER

STEAM PIPED FROM

ELECTRIC STEAM

HUMIDIFIER

SMOKE

DETECTOR

CHWR

CHWSV-2

LOCATE SENSOR

OUTSIDE UNDER SHIELD

ECONOMIZER OUTSIDE AIR

V-1

SUPPLY FAN

(4 FAN ARRAY)

SPS

SP-1

HHL

HL-1

HT

H-2

ZC

PSH

SD2

DPS

TT

T-1

SST

SF

HS

CS

IT-2

VFD

SPD

SF

TT

T-6

TT

T-3

TT

T-5

TSL

TSL-1

C O

IL

C O

O

LI

N G

C O

IL

PR

EH

EA

T

AF

TE

R -F

IL

TE

R

PR

E-

FI

LT

ER

-1

FT

AF-1

PSL

AF

M

D

HT

H-1

TT

T4

TT

T-2

AF

M

D

DPS

D-1

ZC

D-2 MT

PR

E-

FI

LT

ER

-2

DPS

ZC

D-3

FT

AF-2

RELIEF AIR

ZC

FT

AF-3

AF

M

D

SUPPLY AIR TO

TERMINAL UNIT

CURRENT

TRANSMITTER FOR FAN

STATUS (TYP.)

RETURN FAN

(4 FAN ARRAY)

SST

EF

VFD HS

SPD

EF

ALA

EF

COMM

IT-1

CS

D-4

1 2

HHWR

HHWS

ALA

SF

COMM

LOW PRESSURE SWITCH

SP-1 FT

AF-3

AF

M

D

MINIMUM OUTSIDE AIR

M M

FIRST FLOOR

0' - 0"

TOP OF STEEL

15' - 8"

T.O. PARAPET

17' - 8"

26x46

26x4630x40

28x71

20x26

24x40

1" CHS

121-IH-1

121-AHU-1

48x24

1.7

3" CHS

3" CHR

2" HWR

2" HWS

2" HWS

DDC

PANEL

1" CHR

1" HWR

1" HWS

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

AHU SECTIONS:

DISCHARGE PLENUM

FILTER SECTION

SUPPLY FAN SECTION

ACCESS SECTION

COOLING COIL SECTION

ACCESS SECTION

HUMIDIFICATION SECTION

ACCESS SECTION

HEATING COIL SECTION

OUTSIDE AIR INTAKE/MIXING SECTION

EXHAUST FAN SECTION

RETURN AIR INTAKE/ACCESS SECTION

1 2 3

4 121176 8

29'-0 1/8"

5' -1

/2

VFD'S FOR SF-1, EF-1

NOTE:

AHU SHALL BE MOUNTED HIGH ENOUGH WITH EQUIPMENT PAD AND

SUPPORT FRAME TO ENSURE CONDENSATE P-TRAP HEIGHT AND DRAIN

SLOPE.

HARDWARE POINTS SOFTWARE POINTS

POINT NAME AI AO BI BO AV BV LOOP SCHED TREND ALARM SHOW ON

GRAPHIC

FINAL FILTER DIFFERENTIAL PRESSURE X X

MIXED AIR TEMP X X X

OUTSIDE AIRFLOW X X X X

PREFILTER DIFFERENTIAL PRESSURE X X

RETURN AIR HUMIDITY X X X

RETURN AIR TEMP X X X

SUPPLY AIR STATIC PRESSURE X X X X

BUILDING PRESSURE X X X X

SUPPLY AIR TEMP X X X

COOLING VALVE X X X

MIXED AIR DAMPERS X X X

PREHEATING VALVE X X X

SUPPLY FAN VFD SPEED X X X

FREEZESTAT X X X X

HIGH STATIC SHUTDOWN X X X X

RETURN FAN STATUS X X X

SUPPLY AIR SMOKE DETECTOR X X X X

SUPPLY FAN STATUS X X X

SUPPLY FAN VFD FAULT X X X

RETURN FAN START/STOP X X X

SUPPLY FAN START/STOP X X X

ECONOMIZER MIXED AIR TEMP SETPOINT X X X

OUTSIDE AIRFLOW SETPOINT X X X

PREHEATING MIXED AIR TEMP…