Attachment Drawings_ 3-26-20.pdf

Engineers Architects

BUILDING 700

Revisions: Date

Drawing Title

Approved: Project Director

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: PROJECT MANAGER

Date Checked Drawn

FULLY SPRINKLERED

ACG Project Number

Headquarters:

Apogee Consulting Group, P.A.

1151 Kildaire Farm Road, Suite 120 Cary, North Carolina 27511 www.acg-pa.com 919-858-7420 U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

PROJECT SITE MAP PROJECT LOCATION MAP

PROJECT IMAGE

/2

/2

:1

:5

P

M

GI001

ENG. PROJECT COVER

1 1

JONATHAN BASSIGANI

AS

VA MATHER - IMPROVE

BLDG 700 DUCTWORK

10535 HOSPITAL WAY

MATHER, CA 95655

03/26/2020

100% CONSTRUCTION DOCUMENTS

VA261-17-D-010918-270

VA MATHER - IMPROVE BLDG 700

DUCTWORK

10535 HOSPITAL WAY

MATHER, CA 95655

VA PROJECT #:

VA261-17-D-0109

APOGEE PROJECT #: 18-270

RK

DRAWING LIST

No. Description Dwg of Dwg

GI001 ENG. PROJECT COVER 1 1

MECHANICAL

M-001 MECHANICAL GENERAL INFORMATION 1 5

M-101 SECOND FLOOR HVAC WORK PLANS 2 5

M-102 ROOF MECHANICAL WORK PLANS 3 5

M-301 MECHANICAL SECTIONS AND 3D VIEWS 4 5

M-501 MECHANICAL DETAILS 5 5

DocuSign Envelope ID: 78AB3765-7351-4781-99AC-DEE2B800FFB2

3/26/2020

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 AMPERGE

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 (CELCIUS)

CC COOLING COIL

CCD COOLING COIL CONDENSATE DRAIN

CENT CENTRIFICAL

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 DIOXODE

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 HUMIDIFER

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 INTERGRATED PART LOAD VALUE

IRH INTRARED 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

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

2. INSTALL EQUIPMENT IN ACCORDANCE WITH MANUFACTURER'S WRITTEN RECOMMENDATIONS.

3. OBTAIN AND PAY FOR PERMITS, FEES, AND INSPECTIONS REQUIRED FOR THIS WORK.

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

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

REQUIRED.

6. 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.

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

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

9. 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.

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

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

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

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

14. 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.

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

16. 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.

17. 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.

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

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

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

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

COR.

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

23. 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.

24. INSTALL PIPING FREE OF SAGS AND BENDS.

25. INSTALL PIPING TO ALLOW APPLICATION OF INSULATION.

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

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

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

B. 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.

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

GIVEN.

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

28. 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.

29. ALL EXISTING SAFETIES LIKE DUCT SMOKE DETECTOR, FIRE AND SMOKE DAMPER ETC.. SHALL BE RE-USED.

30. MECHANICAL CONTRACTOR SHALL INCLUDE, AS PART OF HIS TEAM, ELECTRICAL AND CONTROLS CONTRACTOR TO PERFORM MISCELLANEOUS WORK AS INDICATED ON THE

DRAWINGS.

31. MECHANICAL CONTRACTOR SHALL INCLUDE ALL COSTS ASSOCIATED WITH DUCT SUPPORTS (SUPPLY AND INSTALLATION), COATING AND PATCHING OF WORK, AND PAINTING

OF STEEL WORK.

32. MECHANICAL CONTRACTOR SHALL COORDINATE WITH EXISTING ROOFING CONTRACTOR FOR PATCHING/REPAIR WORK AND MAINTAIN EXISTING ROOF WARRANTY.

33. CONTRACTOR TO SUBMIT SHOP DRAWINGS WITH CALCULATIONS FOR ARCHITECTURAL AND STRUCTURAL WORK .

34. ALL EXPOSED DUCTWORK ON ROOF ASSOCIATED WITH 700-AHU-4 (NEW + OLD) SHALL BE PROVIDED WITH ALUMINUM CLADDING.

35. ARCHITECTURAL DETAILS PROVIDED ARE FOR GUUIDANCE AND SUBJECT TO FINAL APPROVAL BY VA. CONTRACTOR TO SUBMIT DETAIL BASED ON ACTUAL SITE CONDITIONS

FOR FINAL APPROVAL.

MECHANICAL GENERAL NOTES

T

CO2 CARBON DIOXIDE

THERMOSTAT

SUPPLY DIFFUSER

RETURN DIFFUSER/GRILLE

EXHAUST GRILLE

ROUND FLEX DUCT

DIFFUSER TAG | DIFFUSER CFM

LINEAR SLOT DIFFUSER

BALANCING DAMPER

(RECTANGULAR)

BALANCING DAMPER

(ROUND)

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

SIDE MOUNTED 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)

MECHANICAL LEGEND

HPS

LPS

LPR

CHS

CHR

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 OUTLET

GLOBE VALVE

GATE VALVE

BALL VALVE

STEAM SAFETY VALVE

PRESSURE REGULATING VALVE

WYE STRAINER VALVE

BALANCING VALVE

MOTORIZED CONTROL VALVE

STEAM TRAPCOND CONDENSATE DRAIN LINE

HPR 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

LIMITS OF DEMOLITION

INLINE CENTRIFUGAL PUMP

TANGENTIAL AIR SEPARATOR

EXPANSION TANK

WALL-MOUNTED INDOOR

SPLIT-SYSTEM

SPLIT-SYSTEM CONDENSING UNIT

UTILITY SET EXHAUST FAN

STEAM PRESSURE

REDUCING STATION

DRAIN VALVE

TEST PLUG

SUPPLY

TERMINAL UNIT SUPPLY

DUCT BRANCH (CONICAL

TAP)

TERMINAL UNIT

CHECK VALVE

S

D SMOKE DETECTOR

NOTES FOR TESTING AND BALANCING.

(BELOW ARE SUGGESTED MINIMUM TAB ACTIVITIES. CONTRACTOR TO PERFORM ADDITIONAL

ACTIVITIES IF REQUIRED TO VERIFY EXISTING SYSTEM AND ADJUST THE NEW SYSTEM. ALL

TEST SPECIFIED IN THE TAB SPECIFICATION SHALL BE PERFORMED).

1. PRIOR TO START OF ANY DEMOLITION WORK MECHANICAL CONTRACTOR SHALL HAVE

TAB CONTRACTOR PERFORM TESTING/MEASUREMENT OF EXISTING SYSTEM 700-

AHU-4. AS A MINIMUM FOLLOWING TESTING AND MEASUREMENT SHALL BE DONE.

a. MEASURE TOTAL SUPPLY, RETURN, EXHAUST AND OUTSIDE AIR FOR 700-AHU-4.

b. MEASURE TOTAL EXHAUST FOR EACH FAN ASSOCIATED WITH EXISTING 700-

AHU-4.

c. MEASURE AIR FLOW FOR EACH BRANCH DUCTS CONNECTED TO AIR

DISTRIBUTION SYSTEM OF 700-AHU-4 ON SECOND FLOOR.

d. MEASURE PRESSURE DROP AT EACH FILTER BANK OF 700-AHU-4.

e. PERFORM AIR FILTRATION TEST FOR 700-AHU-4.

f. MEASURE HYDRONIC FLOWS (CHILLED AND HOT WATER) FOR 700-AHU-4.

g. MEASURE STEAM FLOW AND HUMIDIFIER OPERATION, INCLUDING MAKEUP

WATER DRAIN AND VENTS.

h. MEASURE SUPPLY, RETURN, EXHAUST AND OUTSIDE AIR TEMPERATURE AND

HUMIDITY FOR EACH AHU-1 AND AHU-23.

i. MEASURE EFFECTIVENESS OF ENERGY RECOVERY HEAT EXCHANGER.

j. MEASURE ALL ELECTRICAL LOADS AND CURRENT DRAWN BY ALL MOTORS

ASSOCIATED WITH 700-AHU-4 AND ASSOCIATED EXHAUST FANS.

k. RECORD ALL MEASUREMENTS ON NEEB OR AABC APPROVED FORM.

l. VERIFY ALL ABOVE DATA ON EXISTING BMS SYSTEM AND RECORD ON NEEB OR

AABC APPROVED FORMS.

m. IDENTIFY DIFFERENCE IN TAB MEASURED VALUES AND BMS RECORDED

VALUES.

n. REVIEW TAB REPORTS WITH VA AND DETERMINE FINAL AIRFLOWS THAT NEED

TO BE BALANCED.

2. AFTER COMPLETION DEMOLITION AND NEW WORK AND PRIOR TO PUTTING THE

SYSTEM IN OPERATION, MECHANICAL CONTRACTOR SHALL HAVE TAB CONTRACTOR

PERFORM TESTING/BALANCING/MEASUREMENT OF 700-AHU-4 SYSTEM. AT A MINIMUM,

FOLLOWING TAB SHALL BE DONE.

a. MEASURE TOTAL SUPPLY, RETURN, EXHAUST AND OUTSIDE AIR FOR 700-AHU-4.

b. MEASURE TOTAL EXHAUST FOR EACH FAN ASSOCIATED WITH EXISTING 700-

AHU-4.

c. MEASURE AIR FLOW FOR EACH BRANCH DUCTS CONNECTED TO AIR

DISTRIBUTION SYSTEM OF 700-AHU-4 ON SECOND FLOOR. BALANCE BRANCH

AIRFLOWS AS INDICATED ON DRAWINGS.

d. MEASURE PRESSURE DROP AT EACH FILTER BANK OF 700-AHU-4.

e. PERFORM AIR FILTRATION TEST FOR 700-AHU-4.

f. MEASURE HYDRONIC FLOWS (CHILLED AND HOT WATER) FOR 700-AHU-4.

g. MEASURE STEAM FLOW AND HUMIDIFIER OPERATION, INCLUDING MAKEUP

WATER DRAIN AND VENTS.

h. MEASURE TOTAL AND INDIVIDUAL EQUIPMENT STEAM FLOW, OPERATION OF

HUMIDIFIER.

i. MEASURE SUPPLY, RETURN, EXHAUST AND OUTSIDE AIR TEMPERATURE AND

HUMIDITY FOR AHU-1.

j. MEASURE ALL ELECTRICAL LOADS AND CURRENT DRAWN BY ALL MOTORS

ASSOCIATED WITH 700-AHU-4 AND ASSOCIATED EXHAUST FANS.

k. RECORD ALL MEASUREMENTS ON NEEB OR AABC APPROVED FORM.

l. VERIFY NEW GRAPHICS ON THE EXISTING BMS SYSTEM AND VERIFY

OPERATION OF NEW AHU-1 ON THE BMS SYSTEM.

m. RECORD ALL DATA FROM THE BMS SYSTEM (PRESSURE, TEMPERATURE, FLOW, HUMIDITY ETC.) FOR BOTH AIR AND HYDRONIC SYSTEM.

n. MAKE ADJUSTMENTS AS REQUIRED TO HAVE TAB MEASURED VALUES AND BMS

RECORDED VALUES WITHIN ACCEPTABLE TOLERANCE.

PHASING NOTES.

(BELOW IS SUGGESTED PHASING OF WORK. CONTRACTOR SHALL PREPARE DETAILED

PHASING PLAN AND SUBMIT TO VA FOR APPROVAL PRIOR TO START ON ANY WORK AT THE

SITE).

1. PRIOR TO START OF ANY DEMOLITION WORK MECHANICAL CONTRACTOR SHALL HAVE

TAB CONTRACTOR PERFORM TESTING/MEASUREMENT OF EXISTING SYSTEM 700-AHU-4

AS LISTED IN THE TAB ACTIVITIES.

2. AFTER COMPLETION OF INITIAL TAB ACTIVITIES CONTRACTOR SHALL PERFORM

DEMOLITION OF 700-AHU-3.

a. DISCONNECT AND DEMOLISH ELECTRICAL POWER TO THE 700-AHU-3 AND

REMOVE ALL SWITCHGEAR/CONDUCTORS UPTO MAIN PANELS.

b. DISCONNECT AND DEMOLISH ALL CONTROLS DEVICES AND WIRING

ASSOCIATED WITH 700-AHU-3.

c. DEMOLISH SUPPLY, RETURN, EXHAUST AND OUTSIDE AIR DUCTWORK ON ROOF

ASSOCIATED WITH 700-AHU-3.

d. DEMOLISH ALL PIPING ASSOCIATED WITH 700-AHU-3 UPTO THE ROOF LEVEL.

CUT AND CAP AT ROOF LEVEL.

e. DEMOLISH 700-AHU-3.

f. DEMOLISH EXISTING ROOF CURB SERVING 700-AHU-3.

g. PATCH ROOF AS REQUIRED. PROVIDE INSULATION AND WATER PROOFING FOR

THE ROOF AREA AFFECTED.

h. VERIFY AND MAINTAIN ALL LIFE SAFETY DEVICES LIKE FIRE SMOKE DAMPER

ASSOCIATED WITH 700-AHU-3 ON THE SHAFT WALL.

i. DEMOLISH 700-AHU-3 SUPPLY AND RETURN DUCTWORK BELOW SECOND

FLOOR CEILING LEVEL WITHIN THE SHAFT. CUT AND CAP DUCTWORK AS

REQUIRED.

j. INSTALL FIRE SMOKE DAMPERS ON ROOF AS INDICATED ON DRAWINGS.

k. ARRANGE FOR CLEANING AND SANITIZING OF SUPPLY AND RETURN AIR

DUCTWORK FROM SECOND FLOOR UPTO ROOF LEVEL. SUBMIT REPORT TO VA.

3. INSTALL 700-AHU-4 NEW MAIN DUCTWORK AS SHOWN ON THE DRAWINGS. PROVIDE

ALL DUCT SUPPORTS AS REQUIRED.

4. THIS WORK SHALL BE DONE ON WEEKEND STARTING FROM FRIDAY 4:00 PM AND

COMPLETING ON SUNDAY AT 12:00 PM.

a. SHUT DOWN 700-AHU-4. PROVIDE TEMPORARY COOLING OR HEATING IN

ROOMS AS INDICATED BY VA. MINIMUM FIVE UNITS EACH 2 TON CAPACITY

SHALL BE PROVIDED.

b. DEMOLISH SUPPLY AIR DUCTWORK ASSOCIATED WITH 700-AHU-4. DEMOLISH

ALL SUPPORTS VERTICAL AND HORIZONTAL THAT ARE NOT REUSED.

c. INSTALL REMAINING SUPPLY AIR DUCTWORK AND CONNECT THE DUCTWORK

TO SHAFTS AND 700-AHU-4 AS INDICATED ON THE DRAWINGS.

d. PERFORM DUCT LEAKAGE TEST AND MAKE CORRECTIONS IF REQUIRED.

e. DO DUCT MODIFICATIONS ON THE SECOND FLOOR AS INDICATED ON THE

DRAWINGS.

f. PUT 700-AHU-4 IN OPERATION AND PRE-BALANCE AIRFLOWS IN THE BRANCHES

AT ROOF.

5. PERFORM FINAL TESTING AND BALANCING OF 700-AHU-4. ADJUST ALL AIR FLOW AND

HYDRONIC AND STEAM FLOWS AS PER THE AHU SUBMITTAL.

6. ARCHITECTURAL AND STRUCTURAL WORK LIKE PROVIDING ACCESS PANELS AND

SUPPORTS WHICH ARE INDEPENDENT ACTIVITIES TO BE DONE PRIOR TO DOING ANY

WORK ASSOCIATED WITH 700-AHU-3 AND 700-AHU-4. THIS WILL HELP IN DEMOLITION

AND INSTALLATION ACTIVITIES.

Engineers Architects

Revisions: Date

Drawing Title

Approved: Project Director

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: PROJECT MANAGER

Date Checked Drawn

FULLY SPRINKLERED

ACG Project Number

Headquarters:

Apogee Consulting Group, P.A.

1151 Kildaire Farm Road, Suite 120 Cary, North Carolina 27511 www.acg-pa.com 919-858-7420 U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

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M-001

MECHANICAL GENERAL INFORMATION

1 5

JONATHAN BASSIGANI

AKS

VA MATHER - IMPROVE

BLDG 700 DUCTWORK

10535 HOSPITAL WAY

MATHER, CA 95655

03/26/2020

100% CONSTRUCTION DOCUMENTS

VA261-17-D-010918-270

RK

AIR HANDLING UNIT SCHEDULE (EXISTING)

MARK LOCATION SERVICE

TOTAL

CAPACITY

SUPPLY FAN

TSP

FILTER

EXHAUST

FAN

HEATING

COIL

COOLING COIL TOTAL

CAPACITY

OPERATING

WEIGHT

REMARKS

700-AHU-4 BUILDING 700 ROOF OR 36200 CFM 7.5"

12" MERV 17

HEPA W/6" MERV

11 PRE-FILTERS

NA NA 1456.2 MBH 28810.00 lb 1

1. INFORMATION FOR 700-AHU-4 TAKEN FROM RECORD SUBMITTAL.

(FOR FINAL VALUES REFER STRUCTURAL DRAWINGS)

SEISMIC IMPORTANCE FACTOR 1.5

SEISMIC DESIGN CATEGORY D

MAPPED 1-SECOND SPECTRAL RESPONSE (SD1) 0.327

MAPPED SHORT PERIOD SPECTRAL RESPONSE (SDS) 0.498

MAXIMUM 1-SECOND SPECTRAL RESPONSE (SM1) 0.490

MAXIMUM SHORT PERIOD SPECTRAL RESPONSE... 0.747

SITE COEFFICIENT (Fv) 1.878

SITE COEFFICIENT (Fa) 1.361

SITE CLASSIFICATION D

ASSUMED (needs to be confirmed by geotechnical engineer)

MAPPED 1-SECOND SPECTRAL RESPONSE (SI) 0.261

MAPPED SHORT PERIOD SPECTRAL RESPONSE (ss) 0.548

RISK CATEGORY IV

LOCATION MATHER, CA

SEISMIC DESIGN CRITERIA

UP

DN

UP

DN

UP

DN

UP

DN

T1

TB

TB.1

T1.5 T2 T2.2 T2.7 T2.9 T3 T4 T5

(E) 28ø SA

(E) 48 300

(E) 12ø SA

(E) 30x30 EA

(E x2

E A

(E) 24x14 EA

(E) 12x6 EA

(E) 14x12 SA

(E) 10ø SA

(E) 12x6 EA

(E) 14x6 EA

(E) 10ø SA

(E ø

S A

(E) 24x24 SA

(E) 30ø SA

(E) 48x30 EA UP

ELEVATOR LOBBY

C2-102L

ELEV

S2

ELEV

S1

ELEV

P1

ELEV

P2

STAIR

TELE/DATA CLOSET

2A112

CORRIDOR

C2-104

SOILED UTILITY

DECONTAMINATION

2A115

CONFERENCE

2A015

CORRIDOR

C2-104A

M/W RESTROOM

2A107

M/W RESTROOM

2A109

SIT-UP RECOVERY

2A114

STERILE SUPPLY

2A120

CORRIDOR

C2-106

AREA OF WORK

PROVIDE ICRA BARRIERS AS PER VA REQUIREMENTS.

AT A MINUMUM, PROVIDE THE FOLLOWING:

1. FULL HEIGHT ZIPPER BARRIERS.

2. STICKY MATS AT ENTRY AND EXIT POINTS.

3. NEGATIVE PRESSURE WITH HEPA FILTRATION.

SUGGESTED ICRA BARRIER

LOCATIONS. PROVIDE AT ADDITIONAL

LOCATIONS AS PER PROJECT AND VA

REQUIREMENTS.

SUGGESTED ICRA BARRIER

LOCATIONS. PROVIDE AT ADDITIONAL

LOCATIONS AS PER PROJECT AND VA

REQUIREMENTS.

M-501

T1

TA

TAA

TB

TB.1

T1.5 T2 T2.2 T2.7 T2.9 T3 T4 T5

M-301

_____ 1

M-301

(E) 28ø SA

(E) 12ø SA

(E x6

E A

(E) 20x14 EA (E) 20x16 EA

(E) 12x10 SA(E) 10x10 SA

(E x2

E A

(E) 8ø SA

(E) 10ø SA

(E) 14x6 EA

(E) 30x30 EA

(E x2

E A

(E) 24x14 EA

(E) 12x6 EA

(E x8

(E

(E

(E) 12x10 EA

(E) 10ø SA

(E) 12x6 EA

(E) 14x6 EA

(E) 10ø SA

(E ø

S A

(E) 24x24 SA

(E) 30ø SA UP

2 3 4

(E) 24x24 SA

(E x2

S A

(E) 48x24 SA UP

(E ø

S A

CLEAN HOLDING

2A006

SOILED HOLDING/RT

CLEANUP

2A008

ELEVATOR LOBBY

C2-102L

ELEV

S3

ELEV

S2

ELEV

S1

ELEV

P1

ELEV

P2

STAIR

1 TELE/DATA CLOSET

2A112

CORRIDOR

C2-104

SOILED UTILITY

DECONTAMINATION

2A115

CONFERENCE

2A015

CORRIDOR

C2-104A

M/W RESTROOM

2A107

M/W RESTROOM

2A109

SIT-UP RECOVERY

2A114

STERILE SUPPLY

2A120

OFFICE/STO

2A017

NURSE MGR. OFFICE

2A019 CHIEF SURGERY OFFICE

2A023

CORRIDOR

C2-106

SUGGESTED ICRA BARRIER

LOCATIONS. PROVIDE AT ADDITIONAL

LOCATIONS AS PER PROJECT AND VA

REQUIREMENTS.

SUGGESTED ICRA BARRIER

LOCATIONS. PROVIDE AT ADDITIONAL

LOCATIONS AS PER PROJECT AND VA

REQUIREMENTS.

AREA OF WORK

PROVIDE ICRA BARRIERS AS PER VA REQUIREMENTS.

AT A MINUMUM, PROVIDE THE FOLLOWING:

1. FULL HEIGHT ZIPPER BARRIERS.

2. STICKY MATS AT ENTRY AND EXIT POINTS.

3. NEGATIVE PRESSURE WITH HEPA FILTRATION.

Engineers Architects

## KEY NOTES:

# KEY NOTES:

Revisions: Date

Drawing Title

Approved: Project Director

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: PROJECT MANAGER

SHEET NOTES:

WALL RATING LEGEND

1 HR - FIRE SEPARATION

2 HR - FIRE SEPARATION

SMOKE RESISTIVE HAZARDOUS AREA

Date Checked Drawn

FULLY SPRINKLERED

ACG Project Number

Headquarters:

Apogee Consulting Group, P.A.

1151 Kildaire Farm Road, Suite 120 Cary, North Carolina 27511 www.acg-pa.com 919-858-7420 U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

S S S S

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M-101

SECOND FLOOR HVAC WORK PLANS

2 5

JONATHAN BASSIGANI

AKS

VA MATHER - IMPROVE

BLDG 700 DUCTWORK

10535 HOSPITAL WAY

MATHER, CA 95655

03/26/2020

100% CONSTRUCTION DOCUMENTS

VA261-17-D-010918-270

RK

0 2 4 8

NORTH

PLAN

1 PROVIDE 30" ELBOW TO EXISTING SUPPLY AIR

DUCTWORK FROM ABOVE AND EXTEND 30" BEYOND

SHAFT WALL INTO THE CORRIDOR.

2 PROVIDE FIRE SMOKE DAMPER AT THE SHAFT WALL.

3 CONNECT EXISTING 24"x24" DUCTWORK TO NEW 30"

MAINS.

4 PROVIDE 2 HR RATED HINGED ACCESS DOOR

MINIMUM 4' HIGH X 2' WIDE. INSTALL 6" ABOVE

FINISHED FLOOR.

N

AREA OF WORK

KEY PLAN

SCALE: NO SCALE

1 30" DIAMETER VERTICAL DUCT IN THIS LOCATION TO

SERVE AS NEW AIR SUPPLY TO THIS LEVEL.

DEMOLISH DUCT THAT GOES DOWN TO 1ST FLOOR.

2 DEMOLISH EXTERNAL DUCTING DOWN TO FIRST

FLOOR. PATCH HOLE IN BUILDING WHERE DUCT

ENTERS THE BUILDING. DEMOLISH ALL ASSOCIATED

SUPPORT STEEL STRUCTURE.

3 DEMOLISH EXTERNAL DUCTING BACK TO POINT OF

CONNECTION WITH DUCT AT THIS LEVEL. PATCH

HOLE IN BUILDING WHERE DUCT ENTERS THE

BUILDING. DEMOLISH ALL ASSOCIATED SUPPORT

STEEL STRUCTURE.

4 DEMOLISH EXTERNAL VERTICAL DUCTWORK AND

ASSOCIATED STEEL SUPPORTS.

5 CUT OPENING IN WALL AT SECOND FLOOR LEVEL

FOR DUCT DEMOLITION.

6 DEMOLISH DUCT SUPPLYING AIR TO VAV BOX IN THIS

LOCATION BACK TO MAIN.

A. MODIFICATION OF AIR DISTRIBUTION SYSTEM

ON SECOND FLOOR IS NOT PART OF THIS

PROJECT EXCEPT AS NOTED.

B. WORK ON SECOND FLOOR SHALL BE DONE

ON WEEKENDS STARTING FROM FRIDAY AT

4:00 PM AND COMPLETING BY 12:00 PM ON

THE FOLLOWING SUNDAY.

C. REFER TO WORK PHASING NOTS ON SHEET

M-001.

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

SECOND FLOOR HVAC NEW WORK PLAN

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

SECOND FLOOR HVAC DEMOLITION WORK PLAN

0 2 4 8

NORTH

PLAN

6A-005

6A-008

6A-007

6A-006

6A-008

S D

S D

6A-005

6A-008

6A-007

6A-006

6A-008

S D S

D

T1

TA

TAA

TB

TB.1

TB.2

TC

TD

T0.4 T1.5 T2 T2.2 T2.7 T2.9 T3 T4 T5 T6 T6.6 T6.9T7 T7.9 T8

PERFORM TAB ON

700-AHU-4 FOR ALL

SYSTEMS

EF TO BE

REBALANCED AFTER

DUCT MODIFICATION

M-301

M-301

_____ 1

M-301

36x30 SA

40x34 SA 50x40 SA

700-AHU-3

(E) 66x48 RA

(E x2

R A

(E x2

S A

(E) 82x52 SA

(E) 64x38 SA(E) 30x28 SA

(E x2

S A

(E) 30x28 RA

M-301

M-301

_____ 1

M-301

(E) 36x30 SA

(E) 40x34 SA

700-EF-2

Engineers Architects

## KEY NOTES:

# KEY NOTES:

Revisions: Date

Drawing Title

Approved: Project Director

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: PROJECT MANAGER

SHEET NOTES:

WALL RATING LEGEND

1 HR - FIRE SEPARATION

2 HR - FIRE SEPARATION

SMOKE RESISTIVE HAZARDOUS AREA

Date Checked Drawn

FULLY SPRINKLERED

ACG Project Number

Headquarters:

Apogee Consulting Group, P.A.

1151 Kildaire Farm Road, Suite 120 Cary, North Carolina 27511 www.acg-pa.com 919-858-7420 U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

S S S S

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M-102

ROOF MECHANICAL WORK PLANS

3 5

JONATHAN BASSIGANI

AKS

VA MATHER - IMPROVE

BLDG 700 DUCTWORK

10535 HOSPITAL WAY

MATHER, CA 95655

03/26/2020

100% CONSTRUCTION DOCUMENTS

VA261-17-D-010918-270

RK

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

ROOF NEW WORK MECHANICAL PLAN 0 4 8 16

NORTH

PLAN

N

AREA OF WORK

KEY PLAN

SCALE: NO SCALE

BLDG. 700 ROOF

1 INSTALL NEW SUPPLY AIR DUCTWORK AND CONNECT

TO 700-AHU-4 AS INDICATED.

2 INSTALL NEW DUCT AND CONNECT TO EXISTING

SMOKE DAMPER AS INDICATED.

3 INSTALL NEW DUCTWORK AND CONNECT TO EXISTING

SMOKE DAMPER AS INDICATED.

4 RETURN DUCT AVAILABLE FOR FUTURE USE.

MAINTAIN EXISTING SMOKE DAMPER AND CAP DUCT.

5 PROVIDE DUCT SUPPORTS EVERY FOUR FEET.

SUPPORTS SHALL BE FABRICATED FROM GALVANISED

STEEL.

6 ALL NEW DUCTWORK SHALL BE INSULATED AND

PROVIDED WITH ALUMINUM CLADDING. SLOPE TOP OF

CLADDING.

7 HORIZONTAL 36X30 SA DUCT HERE TO BE INSTALLED

SUCH THAT ACCESS TO OTHER ROOF AREAS IS NOT

CUT OFF. SEE M-301 FOR DETAILS.

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

ROOF MECHANICAL DEMOLITION PLAN 0 4 8 16

NORTH

PLAN

1 DEMOLISH SUPPLY AIR DUCT WORK AS INDICATED,

INCLUDING SUPPLY AIR PLENUM. DEMOLISH

ASSOCIATED DUCT SUPPORTS.

2 DEMOLISH RECTANGULAR SUPPLY AIR DUCTWORK

UP TO EXISTING SMOKE DAMPER. DEMOLISH

ASSOCIATED DUCT SUPPORTS.

3 DEMOLISH SUPPLY AIR DUCTWORK FROM MAINS ON

ROOF DOWN TO ENTRY ON SECOND FLOOR.

DEMOLISH ALL ASSOCIATED SUPPORT STEEL.

4 DEMOLISH SUPPLY AIR AND RETURN AIR

DUCTWORK FROM MAINS ON ROOF DOWN TO FIRST

FLOOR. DEMOLISH ASSOCIATED SUPPORT STEEL.

5 DEMOLISH SUPPLY AIR DUCTWORK FROM MAINS ON

ROOF DOWN TO SECOND FLOOR. DEMOLISH

ASSOCIATED STEEL SUPPORT.

6 DEMOLISH RETURN AIR DUCTWORK ASSOCIATED

WITH 700-AHU-3 AS INDICATED. DEMOLISH

ASSOCIATED STEEL SUPPORTS.

7 DEMOLISH SUPPLY AIR DUCTWORK ASSOCIATED

WITH 700-AHU-3. DEMOLISH ASSOCIATED STEEL

SUPPORTS.

8 DEMOLISH ROOF CURB. REINSULATE PORTION OF

ROOF AFFECTED BY ROOF CURB DEMOLITION.

FINISH ROOF WITH ROOFING MEMBRANE TO MATCH

EXISTING.

A. EXISTING CONDITION DUCT SIZES LISTED ARE

APPROXIMATED. CONTRACTOR TO FIELD VERIFY

DUCT SIZE, AS REQUIRED.

B. SHADED AREAS DENOTE EXISTING EQUIPMENT

AND DUCTWORK NOT IN THE SCOPE OF THIS

PROJECT.

C. REFER TO WORK PHASING NOTES ON M-001.

D. WORK SHALL BE DONE ON WEEKENDS AS

REQUIRED.

E. FIRE AND SMOKE DETECTION/PREVENTION

SYSTEMS ASSOCIATED WITH AHU-4 SHALL BE

MAINTAINED.

F. THIS PLAN DOES NOT REPRESENT A COMPLETE

VIEW OF ALL OF THE EQUIPMENT ON THE ROOF.

DocuSign Envelope ID: 78AB3765-7351-4781-99AC-DEE2B800FFB2

3/26/2020

VHAMACWeeP Rectangle

VHAMACWeeP Typewritten Text Remove the existing plastic ductwork and install new sheet metal ductwork for improved durability and performance.

Insulate ductwork with aluminum metal jacket.

S S S S

S S S S

S S S S

S S S S

AMBULANCE

Medical Center

FIRST FLOOR

0' - 0"

T1

SECOND FLOOR

17' - 0"

THIRD FLOOR

34' - 0"

ROOF LEVEL

82' - 0"

FOURTH FLOOR

50' - 0"

FIFTH FLOOR

66' - 0"

T1.5T2T2.2T2.7T2.9T3T4T5T6T6.6T6.9T7T7.9T8

T.O. SCREEN

101' - 6"

(E x2

S A

(E x2

S A

(E x2

S A

(E x2

R A

700-AHU-4

(E) 30x28 RA

(E) 30x28 SA

(E) 30x24 SA

(E) 30x24 SA

STRUCTURAL DUCT SUPPORTS

FOR DUCT TO BE DEMOLISHED.

(TYP)

700-AHU-4

RA DUCT

CAPPED FOR

FUTURE USE

NEW DUCT

SUPPORTSEXISTING DUCT

SUPPORTS TO REMAIN

50x40 SA

36x30 SA

40x34 SA

ROOF LEVEL

82' - 0"

T2.7T2.9T3T4T5

(E) 48x64 EA(E) 48x66 RA

30x36 SA34x40 SA

700-AHU-4 MECHANICAL SHAFTS

700-EF-2

PIPING AND NON-RELATED DUCTWORK

AND EQUIPMENT HIDDEN FOR CLARITY

CAPPED RA

FROM BELOW

Engineers Architects

## KEY NOTES:

# KEY NOTES:

Revisions: Date

Drawing Title

Approved: Project Director

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: PROJECT MANAGER

SHEET NOTES:

Date Checked Drawn

FULLY SPRINKLERED

ACG Project Number

Headquarters:

Apogee Consulting Group, P.A.

1151 Kildaire Farm Road, Suite 120 Cary, North Carolina 27511 www.acg-pa.com 919-858-7420 U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

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M-301

MECHANICAL SECTIONS AND 3D VIEWS

4 5

JONATHAN BASSIGANI

AKS

VA MATHER - IMPROVE

BLDG 700 DUCTWORK

10535 HOSPITAL WAY

MATHER, CA 95655

03/26/2020

100% CONSTRUCTION DOCUMENTS

VA261-17-D-010918-270

RK

N

AREA OF WORK

KEY PLAN

SCALE: NO SCALE

BLDG. 700 ROOF

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

OVERALL NORTH ELEVATION (FOR REFERENCE)

Scale:

3D EXISTING DUCTWORK DEMOLITION

Scale:

3D NEW WORK (FOR REFERENCE)

1 MAINTAIN ACCESS BENEATH 30X36 SA DUCT IN

THIS LOCATION TO OTHER ROOF AREAS.

1 DEMOLISH VERTICAL DUCTWORK AND

ASSOCIATED STEEL SUPPORTS.

2 IN OPENING WHERE THE DUCT THROUGH THE

WALL WAS REMOVED, INSTALL STORM-PROOF

LOUVER TO MATCH EXISTING LOUVERS, SEE

SPECIFICATION SECTION 089000 LOUVERS.

3 PATCH HOLES IN PRE CAST PANEL WHERE

SUPPORT ANCHOR WERE REMOVED WITH

CONCRETE PATCH MATERIAL CONSISTENT WITH

PRE CAST FINISH, MATCH EXISTING COLOR.

A. FOR WORK PHASING, SEE NOTES ON M-001.

B. DUCTS SHALL BE DISCONNECTED ON FIRST FLOOR

BY VA/OTHERS. OPENING ON EXTERIOR WALL

SHALL BE SEALED BY VA/OTHERS.

1 33

1 3 1 3

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

Section 8

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

MAIN SUPPLY

DUCT

PROVIDE VOLUME

DAMPER

PROVIDE

VOLUME

DAMPER

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

A

IR

F L O

W

AIR SPLIT DUCT TAKE-

OFF PLAN VIEW

BRANCH DUCT TAKE-OFF

PLAN VIEW

AIR FLOW

A

IR

F

LO

W

W

MAIN SUPPLY

DUCT

CONICAL TAP

TERMINAL UNIT DUCT TAKE-

OFF PLAN VIEW

AIR FLOW

A

IR

F

LO

W

W

NOTES:

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

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. 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

/3

W

/3

W

1/2W

VAN

E

VAN

E R

W

1/6W

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

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"

SHEET METAL AS

SPECIFIED FOR

DUCTWORK

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

REFER TO THE DRAWINGS FOR

DUCT SIZE

ROOF STRUCTURE. REFER TO

STRUCTURAL DRAWINGS FOR

TYPE

ROOF CONSTRUCTION. CONTRACTOR

TO SURVEY ROOF TO DETERMINE

TYPE.

CANT STRIP

FLASHING BY GENERAL CONTRACTOR,

COUNTERFLASHING BY MECHANICAL

CONTRACTOR

TREATED 2 X 4 SHIMMING

TO LEVEL TOP OF CURB

12" HIGH PRE-MANUFACTURED ROOF CURB

SECURE FLASHING TO DUCTWORK WITH

STAINLESS STEEL SHEET METAL SCREWS.

WRAP DUCTWORK WITH STAILNESS

STEEL BANDING TO DRAW FLASHING

TIGHT TO DUCTWORK AND SEAL

WEATHERTIGHT

EXISTING CONCRETE

STRUCTURE

2 HOUR RATED

SEALANT

CEILING

SYSTEM

(2) LAYERS OF 5/8"

TYPE 'X' GYP BD,

TAPED AND FINISHED

BOTH SIDES

(1) LAYER OF 1"

GYPSUM LINER PANEL

(UL TYPE SCV)

20 GAUGE 2-1/2"

METAL FRAME @ 24"

O.C.

2 HOUR RATED

SEALANT BOTH

SIDES, TYP.

BASE

NOTES:

1. FINISH TO MATCH EXISTING.

2. 2 HOUR RATED NO INSULATION

3. UL DESIGN NO. U415.

SECTION VIEW

3 3/4"

2 1/2"

(2) LAYERS TYPE 'X' 5/8"

GYPSUM BOARD. BOTH

SHEETS TAPED AND FINISHED,

JOINTS STAGGERED.

2 1/2" HC

METAL STUD

@ 16" O.C.

1" GYPSUM

LINER PANEL

PLAN VIEW

EXISTING PRECAST PANEL

SEALANT ON ALL

EDGES.

STORM PROOF LOUVER WITH

INSULATED BLANK OFF PANEL

OPENING WHERE DUCT

WAS REMOVED

EXISTING ALUMINUM WINDOW ABOVE

CONCRETE SLAB OVER METAL DECK

Engineers Architects

Revisions: Date

Drawing Title

Approved: Project Director

Project Title

Location

VA PROJECT NUMBER

Building Number

Drawing Number

Dwg of

VA FORM 08-6231

Office of Construction and Facilities Management

CONSULTANTS: PROJECT MANAGER

Date Checked Drawn

FULLY SPRINKLERED

ACG Project Number

Headquarters:

Apogee Consulting Group, P.A.

1151 Kildaire Farm Road, Suite 120 Cary, North Carolina 27511 www.acg-pa.com 919-858-7420 U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.

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P

M

M-501

MECHANICAL DETAILS

5 5

JONATHAN BASSIGANI

AKS

VA MATHER - IMPROVE

BLDG 700 DUCTWORK

10535 HOSPITAL WAY

MATHER, CA 95655

03/26/2020

100% CONSTRUCTION DOCUMENTS

VA261-17-D-010918-270

RK

Scale: N.T.S.

DUCTWORK SQUARE VANE ELBOWS

Scale: N.T.S.

SUPPLY DUCT TAKE-OFFS

Scale: N.T.S.

ACCESS PANEL AND DOOR DETAIL

Scale: N.T.S.

DUCTWORK RADIUS ELBOW

Scale: N.T.S.

FLEXIBLE DUCT CONNECTIONS

Scale: N.T.S.

VOLUME DAMPER DETAIL

Scale: N.T.S.

DUCTWORK ROOF PENETRATION DETAIL

CONTRACTOR TO DO TESTING AND

MEASUREMENT OF AIRFLOW AND

HYDRONIC/STEAM FLOW FOR AHU-4 AT

THE ROOF LEVEL AND SECOND FLOOR

FOR EACH MAIN DUCTS AND TOTAL FOR...

NOTE:

BALANCE 700-AHU-4 FANS TO 28,000 CFM

SPARE AIRFLOWS AVAILABLE 9,350

TOTAL AIR FLOW REQUIRED ON SECOND

FLOOR

26,850

APPROXIMATE ADDITIONAL AIRFLOW

REQUIRED ON SECOND FLOOR FOR

HYBRID OR'S ON EAST SIDE

5,000

AIRFLOWS SERVING SECOND FLOOR

SOUTH

7,250

AIRFLOWS SERVING SECOND FLOOR EAST 14,600

TOTAL AIR FLOW 36,200

CFM

700-AHU-4 FINAL AIRFLOWS

Scale: N.T.S.

SHAFT WALL DETAIL - 2 HR FIRE RATED

Scale: N.T.S.

LOUVER DETAIL