NEW WORK NOTES - img1.wsimg.com

4

2"

32

AC-1

1

1"

5

(TYP.)

6

The Walker Group Architecture, IncPO Box 541, New Bern, NC 28563252.636.8778 (PHONE)252.636.8992 (FAX)

WALKERGROUP

i n c o r p o r a t e d

the

ARCHITECTURE

DISCLOSURE OF INFORMATIONCONTRACTOR SHALL COMPLY AS FOLLOWS:

(A) THE CONTRACTOR SHALL NOT RELEASE TO ANYONE OUTSIDE THE CONTRACTOR'S ORGANIZATION ANY UNCLASSIFIED INFORMATION,REGARDLESS OF MEDIUM (E.G., FILM, TAPE, DOCUMENT), PERTAINING TO ANY PART OF THIS CONTRACT OR ANY PROGRAM RELATED TOTHIS CONTRACT, UNLESS-

(1) THE CONTRACTING OFFICER HAS GIVEN PRIOR WRITTEN APPROVAL; OR(2) THE INFORMATION IS OTHERWISE IN THE PUBLIC DOMAIN BEFORE THE DATE OF RELEASE(B) REQUESTS FOR APPROVAL SHALL IDENTIFY THE SPECIFIC INFORMATION TO BE RELEASED, THE MEDIUM TO BE USED, AND THE PURPOSE

FOR THE RELEASE. THE CONTRACTOR SHALL SUBMIT ITS REQUEST TO THE CONTRACTING OFFICER AT LEAST 45 DAYS BEFORE THEPROPOSED DATE FOR RELEASE.

(C) THE CONTRACTOR AGREES TO INCLUDE A SIMILAR REQUIREMENT IN EACH SUBCONTRACT UNDER HIS CONTRACT. SUBCONTRACTORSSHALL SUBMIT REQUESTS FOR AUTHORIZATION TO RELEASE THROUGH THE PRIME CONTRACTOR TO THE CONTRACTING OFFICER.

TNPN

SITE PLANSCALE: 1" = 10'-0"

10'1" = 10'-0"

20'10'5'0' 01/24/2020

NEW WORK NOTESPROVIDE 1000 GALLON PROPANE TANK, CONCRETE PAD, AND BOLLARDS COMPLETE.SEE CIVIL DRAWINGS FOR BOLLARD REQUIREMENTS.

PROVIDE AIR COOLED CHILLER AND CONCRETE PAD WITHIN FENCED ENCLOSURECOMPLETE. SEE CIVIL DRAWINGS FOR CONTINUATION.

PROVIDE UNDERGROUND CHILLED WATER PIPING, INSULATION, AND SUPPORTSCOMPLETE. PROVIDE HEAT TRACING FOR EXPOSED PIPING.

PROVIDE 2" TAP WITH BUTTERFLY VALVE AND BLIND FLANGE FOR EMERGENCYCHILLER CONNECTION.

PROVIDE 1" MAKEUP WATER PIPING. PROVIDE HEAT TRACING FOR EXPOSED PIPING.CONNECT TO AIR SEPARATOR AT CHILLER.

REFER TO EXTERIOR PIPE SUPPORT DETAIL.

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2

3

4

5

6

A B C D E

1

2

3

4

AHU-1

VAV-1VAV-2

VAV-4

VAV-5

VAV-10

VAV-8

VAV-7

VAV-9

VAV-6

B-2

B-1

1 (TYP.)

2

4

4

SHWP-2SHWP-1

VAV-3

B140

B130

B165

A225

A225

A225

A225

A225

A225

A200

A200

A205

A200A

205

A205

A225

A225

A230

A230

24x22 20"Ø 12"Ø

8"Ø

6"Ø

8"Ø

8"Ø

12x10

10"Ø14"Ø

14"Ø

12"Ø

8"Ø

14"Ø

12"Ø

10"Ø

14"Ø

16"Ø

HWRHWS

HWRHWS

HWRHWS

HWR HW

S

HWR HW

S

HWR HW

S

1-1/2"

1" 1" 3/4"

3/4"

3/4"

3/4"

3/4"

3/4"

3/4"

3/4"

3/4"

3/4"

3/4"

3/4"

3/4"

6

7 (TYP.)

7 (TYP.)

3 (TYP.)

3 (TYP.)26x26

20x18

Z4900

X

U

U

V

YY

L-1

P

13

TO INCOMINGLP SERVICE

HWS HW

R

CWS

CWR

1"

2"

6

6

86

8

10ET-1

11

12

12

DSS-2B

DSS-1B

DSS-1A

CHEMICAL FEED TANK

EB

EB

7 (TYP.)

T

TTT

VAV-10

VAV-1/2/3/4/5TT

T

VAV-8

T VAV-9

TVAV-7

TVAV-6

T

DDC

101

102

103

104

105

106

107

109

110

111

VFD

VFD

AS-1

6 8

S

5(TYP.)

8"Ø

3/4"

10x10

XDSS-2A

T

A225

A225

10"Ø10"Ø

A225

A225

A225

A225

10"Ø14"Ø

A225

A225

A225

A225

10"Ø14"Ø

14"Ø

WW

6

M

30x30

RS/R

LRS

/RL

D

C

C

EBS

108

LP

EF-114

L-2

9

2"

UH-115

TT

UH-1EF-1

17

L-316

D

M

MEB

EB

B140

B140

B140

8x10

B125

B125

B120

6x10

8"Ø

T

T

T

T

TNPN

FLOOR PLANSCALE: 3/16" = 1'-0"

3/16" = 1'-0"0' 5' 10' 20'

NEW WORK NOTESPROVIDE VAV TERMINAL UNIT, THERMOSTAT, CONTROL WIRING, HANGERS, AND SUPPORTSCOMPLETE.

PROVIDE AIR HANDLING UNIT AND 4" CONCRETE HOUSEKEEPING PAD SUITABLE FOR UNITDIMENSIONS COMPLETE.

PROVIDE HWS/HWR PIPING, INSULATION, JACKETING, HANGERS, AND SUPPORTS COMPLETE.ROUTE PIPE AS HIGH AS POSSIBLE.

PROVIDE BOILER COMPLETE.

PROVIDE DUCT MOUNTED GRILLE COMPLETE.

PROVIDE FIRE DAMPER COMPLETE. REFER TO DETAIL ON SHEET M-502.

PROVIDE DUCTWORK, INSULATION, HANGERS, AND SUPPORTS COMPLETE. ROUTE DUCT AT 12'AFF. COORDINATE COLOR OF EXPOSED DUCTWORK WITH COTR.

PROVIDE ACCESS DOOR IN DUCTWORK FOR FIRE DAMPER AT INDICATED LOCATION.

PROVIDE CWS/CWR PIPING, INSULATION, JACKETING, HANGERS, AND SUPPORTS COMPLETE.ROUTE PIPE AS HIGH AS POSSIBLE INSIDE MECHANICAL ROOM. SEE SHEET MS101 FORCONTINUATION.

PROVIDE SLEEVES AT PIPING THROUGH EXTERIOR WALL. REFER TO DETAIL ON SHEET M-502.

PROVIDE GAS PIPING, HANGERS, AND SUPPORTS COMPLETE. ROUTE PIPE AT 9' AFF.

PROVIDE 3" CONCENTRIC VENT UP THROUGH ROOF, HANGERS, AND SUPPORTS COMPLETE.

PRESSURE REGULATOR PROVIDED BY PROPANE PROVIDER.

PROVIDE WALL EXHAUST FAN, THERMOSTAT, CONTROL WIRING, HANGERS, AND SUPPORTSCOMPLETE.

PROVIDE GAS FIRED UNIT HEATER, THERMOSTAT, CONTROL WIRING, HANGERS, SUPPORTS, AND3" CONCENTRIC VENT KIT COMPLETE.

MOUNT LOUVER AT 10' ABOVE FINISHED FLOOR. PROVIDE BAROMETRIC RELIEF DAMPER SET TOOPEN AT 0.05" W.G. INTERNAL BUILDING PRESSURE.

PROVIDE DIFFERENTIAL PRESSURE SENSOR FOR HEATING WATER FLOW CONTROL. PROVIDEISOLATION VALVES AND P/T PORTS ON EACH SIDE OF SENSOR.

MOUNT TRANSFER GRILLE ABOVE CEILING AT 12' ABOVE FINISHED FLOOR.

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01/24/2020

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01/24/2020

TURNING VANES,SINGLE THICKNESS

ELBOW

TEE

MAIN DUCT

45°

45°

W

SA/OARA/EA

L = 1/4WL (4" MIN.)BRANCH DUCT

BALANCING DAMPER (B.D.)

W

USE ONLY WHERE RECTANGULAR RUN-OUTS ARE INDICATED ON DRAWINGS

SA/OARA/EA

MAIN DUCT

BRANCH DUCT

BALANCING DAMPER (B.D.)

USE ONLY WHERE ROUND RUN-OUTS ARE INDICATED ON DRAWINGS

ROUND

RECTANGULAR

L (4" MIN.)

L = 1/4W

DRAIN PAN TRAPPING FOR SECTION UNDERNEGATIVE PRESSURE:

L = H + J + PIPE DIAMETER WHERE:

H = 1 INCH FOR EACH INCH OF NEGATIVEPRESSURE PLUS 1 INCH

J = 1/2 H

DRAIN PAN TRAPPING FOR SECTION UNDERPOSITIVE PRESSURE:

L = H + J + PIPE DIAMETER WHERE:

H = 1/2 INCH (MINIMUM)

J = 1/2 INCH PLUS THE UNIT POSITIVESTATIC PRESSURE AT COIL DISCHARGE(LOADED FILTERS)

CLEANOUT (TYP. FOR 2)

DRAIN LINE SHALL BE AT LEASTTHE SAME SIZE AS THE NIPPLEON THE DRAIN PAN

PITCH DOWN TOWARDDRAIN, ROUTE ASINDICATED ON PLAN

DRAIN PANL

J

H

PROVIDE (3) 1/4"Ø VENT HOLES

PRESSURE GAUGE -0 - 30 PSIG RANGE

CHILLER

MANUALAIR VENT

FLOW SWITCH

2" CWR2" CWS

SUPPORT FROM STRUCTUREABOVE

THREADED ROD (TYPICAL)

STEEL ANGLE

NUT WITH LOCK WASHER(TYPICAL)

METAL HANGER STRAP

SECURE TO BOTTOM ANDSIDES OF DUCT WITH SHEETMETAL SCREWS

NOTE: FOR ANGLE SIZE AND HANGER STRAP GAUGE, SEE SMACNALOW PRESSURE DUCT CONSTRUCTION STANDARDS.

SUPPORT FROMFLOOR OR ROOFSTRUCTURE ABOVE3/8" THREADED

ROD

CLEVIS HANGER (SIZEAS REQUIRED)

SUPPORT FROMFLOOR OR ROOFSTRUCTURE ABOVE

BOLT AND CLAMPINGNUT (TYP.)

STEEL PIPESTRAP

1-5/8" x 1-5/8" x 12GAUGE STEEL CHANNEL

INSULATION SADDLE

3/8" THREADED ROD

LENGTH AS REQUIRED

INSULATION SADDLE (TYP)MULTIPLE PIPE RUNS

SINGLE PIPE RUN

6"

SECTION

PLAN

EDGE OF CHILLER

6"

6"6"

GRADE45° CHAMFER

WWF 6 X 6 - W 2.9 X 2.9

TOP SHALL BE LEVEL

8"

2" M

IN.

1'-6

"

STRAIGHT LENGTHS OF UNOBSTRUCTED PIPEWITHOUT INLINE APPURTENANCES SHALL BEINSTALLED UP AND DOWNSTREAM OF FLOWCONTROL BALANCING VALVES PERMANUFACTURER'S INSTALLATIONINSTRUCTIONS.

THERMOMETER 0 - 200°F (TYP. OF 2)

3/4" DRAIN VALVE WITHHOSE CONNECTION

FLOW CONTROLBALANCING VALVE

PRESSURE GAGE TAP WITH CAPAND PET COCK (TYP.)

COIL

MANUAL AIR VENT

*PROVIDE VIBRATIONISOLATING FLEXIBLE PIPINGCONNECTOR (TYP. FOR 2)

SUPPLY MAIN

RETURN MAINMANUAL BALANCINGVALVE W/TAPS

CONDENSATE DRAINTRAP. SEE DETAIL3/4" DRAIN VALVE W/

HOSE CONNECTION

DRAIN

DRAIN PAN

MANUAL AIR VENT

THERMOMETER, 30°- 75°FRANGE (TYP)

PRESSURE GAGE TAP W/CAP & PET COCK (TYP)

PROVIDE VIBRATIONISOLATING FLEXIBLE PIPINGCONNECTOR (TYP. FOR 2)

NOTES: 1. ARRANGE PIPING TO PERMIT REMOVAL OF COIL.

2. MANUAL BALANCING VALVES SHALL BE INSTALLED INCONFORMANCE WITH VALVE MANUFACTURER'S RECOMMENDEDSPACING UP AND DOWNSTREAM FROM PIPE CHANGES INDIRECTION AND/OR OTHER VALVES AND COMPONENTS IN THE PIPING SYSTEM.

APPROX.46"

THERMOSTAT/TEMPERATURE SENSOR,MOUNTED CENTERLINE WITHADJACENT WALL SWITCHES

FINISHED FLOOR

WALL SWITCH

T

WALL FRAMING (TYP.)

2" CWS/CWR

AC-1

THERMOMETER0°-100°F RANGE (TYP.FOR 2)

NC

2" OUTDOORTEMPORARY CHILLERCONNECTION

NC

2" CWS/CWR

FLOW SWITCH

UNDERGROUND

FLEXIBLE CONNECTOR (TYP.)

3-WAY CONTROL VALVE

3-WAY CONTROL VALVE

BY-PASS SQUARE HEADCOCK

4" ALL AROUND UNIT

45° CHAMFER

FINISHEDFLOOR 6/6 WIRE

MESH

EQUIPMENT

4"

3/4"

UNDERGROUND POLYETHYLENE PIPING

FLOORGRADE

NOTES:

1. PROVIDE PRESSURE REGULATOR FOR ALL UNITS.2. TOTAL LOAD = 340 MBH.3. GAS PIPING SIZED PER TABLE 402.4(4) OF THE 2015

INTERNATIONAL FUEL GAS CODE FOR SCHEDULE 40PIPE. TOTAL DEVELOPED LENGTH: 100 FEET.

3/4"(TYP.)

(340 MBH)PLUG VALVE (TYP.)

APPROX. 1000 GALLON PROPANE TANK(BY PROPANE SUPPLIER) ANDCONCRETE PAD (BY CONTRACTOR).TANK SHALL BE LOCATED MINIMUM 25'FROM THE BUILDING AND 10' FROMTRANSFORMER.

WALL SLEEVE

PAINTED STEEL PIPING

2ND STAGE REGULATOR, 2 PSIG,SHUTOFF VALVE AND FLEXIBLEPIPE CONNECTOR

1ST STAGE REGULATOR, 10-20PSIG, SHUTOFF VALVE ANDFLEXIBLE PIPE CONNECTOR

PROPANE VENDOR SHALL FURNISH AND INSTALL L.P. GAS TANK, FIRST AND SECOND STAGEREGULATORS, PIPING AND ASSOCIATED APPURTENANCES UP TO AND INCLUDING GAS COCK ATBUILDING ENTRANCE. CONTRACTOR SHALL FURNISH CONCRETE PAD SIZED IN ACCORDANCE WITHACTUAL PROPANE TANK PROVIDED, AND INSTALL GAS PIPING AND NECESSARY CONNECTIONS FROMGAS COCK TO INDOOR EQUIPMENT. SEE PROPANE FLOW DIAGRAM, THIS SHEET.

PROPANE NOTE:

MECHANICAL 108EXTERIOR WALL

B-1(155 CFH)

B-2(155 CFH)

APPLY CAULKING OR METAL-FAB MSTTAPE WHERE VENT PASSES THRUFLASHING

APPLY THICK RING OF CAULKING ORMETAL-FAB MST TAPE AROUND VENTAS SHOWN

MAINTAIN CLEARANCE THRUCOMBUSTIBLE JOIST AREA

PITCHED ROOF

FLASHING

CONCENTRIC VENT

MIN 2'-0"ABOVE ROOFOR ANY PARTOF BUILDINGWITHIN 10'

10'

REGULATOR (TYP.)

CHECK VALVE

MANUAL FLOWCONTROLBALANCING VALVE

NEEDLE VALVE - N.O.(CLOSE FOR PUMPSUCTION PRESSURE)

PRESSURE GAUGE 0 - 120PSIG RANGE

IF PUMP SUCTION ANDDISCHARGE FLANGESARE TAPPED, USETHESE POINTS FORPRESSURE GAUGECONNECTIONS

BALL VALVE - N.C.(OPEN FOR PUMPSUCTION)

STRAIGHT LENGTHS OF UNOBSTRUCTED PIPE WITHOUT INLINE APPURTENANCESSHALL BE INSTALLED UP / DOWNSTREAM OF FLOW CONTROL BALANCING VALVEPER MANUFACTURER'S INSTALLATION INSTRUCTIONS

BALL VALVE

UNION

CONCENTRIC REDUCER

MOTOR

PUMP

CONCENTRIC REDUCER

UNION

BALL VALVE

*

*

*

PIPE SUPPORT DETAILSSCALE: NO SCALE M-501E CONDENSATE DRAIN TRAP DETAIL

SCALE: NO SCALE M-501F CHILLER PAD TYPICAL DETAILSCALE: NO SCALE M-501G

PROPANE FLOW DIAGRAMSCALE: NO SCALE M-501A INLINE CENTRIFUGAL PUMP DETAIL

SCALE: NO SCALE M-501B CHILLED WATER COIL PIPING DETAILSCALE: NO SCALE M-501C AIR HANDLER UNIT HOT WATER COIL PIPING DETAIL

SCALE: NO SCALE M-501D

CHILLER PIPING DIAGRAMSCALE: NO SCALE M-501H CONCRETE PAD DETAIL - INTERIOR

SCALE: NO SCALE M-501I

CONCENTRIC VENT DETAILSCALE: NO SCALE M-501L TYPICAL BRANCH CONNECTION

SCALE: NO SCALE M-501M DUCT SUPPORT DETAILSCALE: NO SCALE M-501N DUCTWORK FITTING DETAIL

SCALE: NO SCALE M-501O

CHILLER PIPING DIAGRAM #2SCALE: NO SCALE M-501J SWITCH/THERMOSTAT MOUNTING HEIGHT DETAIL

SCALE: NO SCALE M-501K

VENTILATION AIR COMBUSTIONAIR

UH-1(30 CFH)

BY-PASS SQUARE HEADCOCK

M

PROVIDE 120 VACMOTORIZED GAS VALVE.INTERLOCK WITHEMERGENCY GASSHUTOFF SWITCH.


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01/24/2020

CONTINUE UP TOSTRUCTURAL ROOFSUPPORT. PROVIDEINTERMEDIATESUPPORTS AS REQUIRED

SPRING VIBRATIONISOLATOR (TYP.)

NUT & LOCK WASHERTOP AND BOTTOM

SUPPORT LUGS(IF PROVIDED)

EQUIPMENTCHANNELC3x6

NUT & LOCKWASHER TOPAND BOTTOM

1/2" THREADEDROD (TYP.)

THERE IS A 36 INCH CLEARANCE RESTRICTION ON SIDE OF VAV BOXFOR SERVICE ACCESSIBILITY. THERE SHALL BE NO SPRINKLER PIPE,LIGHTS, WALLS, ETC. WITHIN THAT AREA.

ALLOW 48 INCH OF STRAIGHT DUCT DOWNSTREAM OF UNIT BEFOREFIRST RUNOUT.

PROVIDE THREE-WAY VALVE FOR VAV-8 AND VAV-10.

MIN. LENGTH OF STRAIGHT DUCT BETWEEN VAV BOX INLET AND 1stUPSTREAM ELBOW OR REDUCER NOT LESS THAN 4 DUCT DIAMETERS

PRIMARYAIR FLOW

PRIMARY AIR DUCT

AIR VALVE/DAMPER

SIZE AS INDICATED

REDUCER

NOTES:

2.

1.

DDC CONTROL BOX

36" SERVICE CLEARANCE

SIZE AS INDICATED

TRANSITION AS REQUIRED

3/4" DRAIN VALVE WITH HOSECONNECTION ON LOWEST PIPE

AUTOMATIC AIR VENT WITH SHUTOFF COCK

HWSHWR

SET SLEEVE IN WALL ANDANCHOR DURING WALLCONSTRUCTION

ESCUTCHEON PLATES(BOTH SIDES WHEREEXPOSED)

INSULATION

PIPE

PACK WITH FIBERGLASSAND SEAL BOTH SIDES

PIPE SLEEVE

WALLSET SLEEVE IN WALLAND ANCHOR DURINGWALL CONSTRUCTION

ESCUTCHEON PLATE(WHERE EXPOSED)

WATERPROOFSEALANT

BACK-UPMATERIAL

EXTERIOR INTERIOR

ANCHOR

PIPE

PIPE SLEEVE

WALL

INSULATION

PIPE WITH HEATTAPE

INSULATION ANDMETAL JACKET (TYP)

GALVANIZED PIPE EXTENSION-LENGTH AS REQUIRED (TYP)

3/8"Øx4" LONG GALVANIZEDBOLT SET IN CONCRETE (TYP)

1/4" THICK GALVANIZEDPLATE (TYP)

24"x12"x4" THICK CONCRETESUPPORT PAD

PIPE STANCHION SADDLE(MSS-SP-69 TYPE 37) (TYP)

GRADE

ELECTRICAL POWERCONNECTION, 120 VOLTS

HEATING CABLETEMPERATURECONTROLLER PIPING

WRAP WITH ELECTRIC HEATING CABLETO PROVIDE 8 WATTS/FOOT

PROVIDE MANUFACTURER'SRECOMMENDEDATTACHMENTS AT 6" O.C.

PIPE INSULATIONALUMINUMJACKET

STAINLESS STEELHOSE CLAMP

4" THICK CONCRETEPAD (16" x 16")

APPROX. 15"APPROX. 10"

5 GALLON MINIMUMCAPACITY

HOSE BIBBBALL VALVE3/4" TO PUMP SUCTION

3-1/2" MIN. OPENING

3/4" TO PUMP DISCHARGE

BALL VALVEPLUGGED CROSSES (TYP.)TWIST OFF PRESSURE CAP

TWO-WAY VALVE (UON)

NOTE: VERTICAL FIRE DAMPER INSTALLATION SHOWN.HORIZONTAL FIRE DAMPER INSTALLATION SIMILAR EXCEPTFIRE DAMPER SHALL INCLUDE NEGATOR SPRING CLOSUREMECHANISM.

IF DUCTWORK IS LINED,INTERRUPT LINER ATFIRE DAMPER ANDPROVIDE EXTERIORINSULATION

EXTERIORINSULATION (TYP)

6" EACH SIDE (MAX.)

WHERE THE WALL IS NON-SOLID METAL OR WOODSTUD, OPENING TO BELINED WITH FIRE RESISTIVEMATERIAL OF RATING EQUALTO THAT OF THE WALL

RETAINING ANGLES - MIN. 1 1/2" x 1 1/2" x 16 GA. ALL 4SIDES. OVERLAP STRUCTURAL OPENING A MIN. OF 1" ANDCOVER CORNERS OF OPENINGS

PLAIN "S" SLIP CONNECTION OR OTHER APPROVEDCONNECTION TO BE USED FOR DAMPER / DUCTBREAKAWAY CONNECTION. (TYP) CONNECTIONSHALL BE CONSISTENT WITH DUCT PRESSURECLASSIFICATION

CLEARANCE - 1/8" PER LINEAR FOOT - BOTH DIMENSIONS

PROVIDE ACCESS DOOR LARGE ENOUGH TO PERMITMAINTENANCE AND RESETTING OF FIRE DAMPER

U.L. APPROVED FIRE DAMPER, 1 1/2 HOUR RATING,STYLE B, 165 °F FUSIBLE LINK (REPLACEABLE)

STEEL SLEEVE

CLEARANCE - 1/8" PER LINEAR FOOT - BOTH DIMENSIONS

WHERE WALL IS CONCRETE, MASONRY OR SOLIDMETAL STUD FRAMING, NO LINING IS REQUIRED

SECURE RETAINING ANGLES TO SLEEVE ONLY ON 8"CENTERS WITH 1/4" BOLTS AND NUTS, OR No 10 STEELSCREWS OR MIN. 3/16" STEEL RIVETS, OR 1/2" LONGWELDS

NOTCHED PIECEBENT DOWN

A-A

CEILINGRUNNER

METAL STUDFRAMING SHOWN

FLOORRUNNER

DETAIL A-A24"

O.C. MAX

CEILINGRUNNER

FLOORRUNNER

24"O.C. MAX

12" 1. FRAME WALL OPENINGS AS SHOWN IN FIGURE 1 OR2.

2. DOUBLE VERTICAL STUDS ARE NOT REQUIRED FOROPENINGS 36"W x 36"H OR SMALLER.

3. ALL CONSTRUCTION AND FASTENERS MUST MEETTHE REQUIREMENTS OF THE APPROPRIATE WALLDESIGN AND/OR LOCAL CODES.

4. IN WOOD CONSTRUCTION, FIRE RATED GYPSUMWALL BOARD MUST COVER ALL WOOD STUDSURFACES.

24" O.C. MAX(METAL STUD)

2"

FIGURE 1

FIGURE 2

MASTIC ALLAROUND

PREMOLDED ONEPIECE PVC INSULATEDFITTING COVER

INSULATIONWHERE REQUIRED

TAPE FITTING COVERTO INSULATIONBARRIER AS REQUIRED FIRE WALL (SEE

ARCHITECTURAL)

U.L. LISTED FILL, VOID ORCAVITY MATERIAL FOR USE INTHROUGH PENETRATION FIRESTOPS.

PIPE DIMENSIONS VARYAS SHOWN ON PLANS

METAL SLEEVE GROUTEDTIGHTLY IN CMU WALL

1 OR 2 HOUR WALL PENETRATION PIPING DETAILSCALE: NO SCALE M-502B

FIRE DAMPER INSTALLATION DETAIL (VERTICAL) FRAMING FOR OPENINGS IN WOOD AND METAL STUD WALLSCALE: NO SCALE M-502C

SUSPENDED EQUIPMENT SUPPORT DETAILSCALE: NO SCALE M-502D

CHEMICAL FEED TANK DETAILSCALE: NO SCALE M-502E

PIPE SLEEVE THRU EXTERIOR WALL DETAILSCALE: NO SCALE M-502F PIPE SLEEVE THRU INTERIOR WALL DETAIL

SCALE: NO SCALE M-502G SHUT-OFF VAV TERMINAL UNIT - HOT WATER REHEAT DETAILSCALE: NO SCALE M-502H

HEATING CABLE DETAILSCALE: NO SCALE M-502J EXTERIOR PIPE SUPPORT DETAIL

SCALE: NO SCALE M-502K

3.

CAULK ALL AROUNDTO MAKE WATERTIGHT

WALL LOUVER

PRE-ENGINEEREDMETAL WALL

SHEET METAL SLEEVE

AIR FLOW

INSECT OR BIRDSCREEN U.O.N. SEESCHEDULE FORREQUIREMENTS

6" MAXIMUM

WALL LOUVER DETAILSCALE: NO SCALE M-502A

CAULK ALL AROUND TOMAKE WATER - TIGHT

AUTOMATIC GRAVITYOPERATEDSHUTTERSSECURESLEEVE TOBUILDING W/SCREWS ON 10"CENTERS

EXTERIOR WALL

WALLSLEEVE

EXHAUSTFAN

WIREGUARD

SECURE FAN TO WALL SLEEVEW/ SCREWS ON 8" CENTERS

PROVIDE 4 x 4 x 1/8 STEELANGLE AT TOP AND ATFIBERGLASS PANEL ON SIDES

EXTERIOR WALL

BIRDSCREEN

EXHAUST

WALL EXHAUST FAN DETAILSCALE: NO SCALE M-502I


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01/24/2020

GRILLE, REGISTER & DIFFUSER SCHEDULEC.F.M. NECK MAX.

TAG TYPE SERVICE RANGE SIZE P.D. REMARKSA GRILLE SUPPLY 0 - 235 12x4 0.1 14x6 PANEL, DUCT MOUNTED, DRUM LOUVER, 3" BLADE SPACINGB DIFFUSER SUPPLY 115 - 230 8" 0.1 LAY-IN, 24x24 PANEL, 4-WAY BLOW PATTERNT GRILLE RETURN - 22x22 - LAY-IN, 24x24 PANEL, 35° DEFLECTION, 3/4" BLADE SPACINGU REGISTER TRANSFER - 10x6 0.1 SINGLE DEFLECTION, 35° DEFLECTION, 3/4" BLADE SPACINGV REGISTER TRANSFER - 10x10 0.1 SINGLE DEFLECTION, 35° DEFLECTION, 3/4" BLADE SPACINGW REGISTER TRANSFER - 12x12 0.1 SINGLE DEFLECTION, 35° DEFLECTION, 3/4" BLADE SPACINGX REGISTER TRANSFER - 26x14 0.1 SINGLE DEFLECTION, 35° DEFLECTION, 3/4" BLADE SPACINGY REGISTER TRANSFER - 14x12 0.1 SINGLE DEFLECTION, 35° DEFLECTION, 3/4" BLADE SPACINGZ REGISTER RETURN 4900 42x36 0.1 44x36 PANEL, HEAVY DUTY, 30° DEFLECTION, 1/2" BLADE SPACING

THE FOLLOWING NOTES ARE TYPICAL UNLESS OTHERWISE NOTED: 1. PROVIDE ALUMINUM DIFFUSERS AND REGISTERS WITH OPPOSED BLADE VOLUME DAMPERS, BAKED STANDARD WHITE ENAMEL FINISH (INCLUDING HEAD OF SCREWS), MAXIMUM NC=25 AT HIGHEST CFM AND PROVIDE SQUARE TO ROUND TRANSITION AS REQUIRED. 2. MAXIMUM PRESSURE DROP SHALL INCLUDE VOLUME DAMPER WHERE DAMPER IS PROVIDED.

PUMP SCHEDULEHEAD ELECTRICAL DATA

TAG SERVICE TYPE CONTROL G.P.M. (FT.) H.P. VOLTS PHASE R.P.M. REMARKSSHWP-1 SECONDARY HOT WATER INLINE VFD 28.0 25.0 0.5 208 3 1800 SEE NOTESSHWP-2 SECONDARY HOT WATER INLINE VFD 28.0 25.0 0.5 208 3 1800 SEE NOTES

NOTES: 1. PROVIDE NON-OVERLOADING MOTOR SELECTION. 2. PROVIDE INVERTER DUTY RATED MOTOR SUITABLE FOR USE WITH A VFD.

SHUT OFF V.A.V. TERMINAL BOX SCHEDULE (HOT WATER)VOL. REG. C.F.M. MAX INLET HEATING COIL

INLET S.P. W.P.D. A.P.D.TAG SIZE (IN.) MIN. MAX. (IN. WG.) M.B.H. G.P.M. E.W.T. L.W.T. (FT. WG.) (IN. WG.) REMARKS

VAV-1 10" 270 900 0.5 24.7 3.0 120 103.4 0.40 0.66 SEE NOTESVAV-2 10" 270 900 0.5 24.7 3.0 120 103.4 0.40 0.66 SEE NOTESVAV-3 10" 270 900 0.5 24.7 3.0 120 103.4 0.40 0.66 SEE NOTESVAV-4 10" 270 900 0.5 24.7 3.0 120 103.4 0.40 0.66 SEE NOTESVAV-5 10" 275 910 0.5 24.0 2.7 120 102.1 0.32 0.67 SEE NOTESVAV-6 8" 170 560 0.5 14.4 1.5 120 100.7 0.12 0.56 SEE NOTESVAV-7 4" 40 130 0.5 3.5 0.3 120 93.9 0.01 0.08 SEE NOTESVAV-8 4" 50 165 0.5 4.3 0.4 120 95.2 0.01 0.12 SEE NOTESVAV-9 6" 115 370 0.5 9.9 1.2 120 103.8 0.08 0.45 SEE NOTESVAV-10 12" 365 1215 0.5 32.2 3.0 120 98.4 0.42 0.64 SEE NOTES

NOTES: 1. HEATING COIL SELECTION BASED ON 55ºF E.A.T. AT 80% OF MAX. AIRFLOW. 2. SELECT UNITS FOR MAXIMUM NOISE CRITERIA OF 35.

DUCTLESS SPLIT SYSTEM HEAT PUMP SCHEDULECOIL E.A.T. FAN DATA HEATING DATA ELECTRIC DATA INDOOR UNIT ELECTRIC DATA OUTDOOR UNIT

TOTAL COOLING SUPPLY TOTAL E.A.T.TAG LOCATION CAPACITY M.B.H. ºF D.B.ºF W.B.AIR C.F.M. M.B.H (ºF) M.C.A. M.O.C.P. VOLTS PHASE TAG M.C.A. M.O.C.P. VOLTS PHASE REMARKS

DSS-1A ELECTRICAL 9.0 80.0 67.0 265 12.0 70.0 INDOOR UNIT POWERED BY OUTDOOR UNITDSS-1B 9.0 15.0 208 1 SEE NOTESDSS-2A TELECOM 9.0 80.0 67.0 265 12.0 70.0 INDOOR UNIT POWERED BY OUTDOOR UNITDSS-2B 9.0 15.0 208 1 SEE NOTES

NOTES: 1. COOLING CAPACITY BASED ON 96º F AMBIENT, HEATING CAPACITY BASED ON 17° F. 2. PROVIDE INDOOR UNIT WITH COIL FREEZE PROTECTION, REMOTE MOUNTED THERMOSTAT, INTEGRAL CONDENSATE PUMP (5FT HEAD), HIGH SIDE WALL CASSETTE CONFIGURATION. 3. PROVIDE OUTDOOR UNIT WITH LOW AMBIENT CONTROL.

AIR CONTROL SCHEDULEAIR SEPARATOR EXPANSION TANK

MAX. CAPACITY ACCEPTED APPROX. APPROX.SYSTEM TAG G.P.M. P.D. FT. SIZE TAG (GAL.) CAPACITY (GAL.) DIAMETER HEIGHT REMARKS

HOT WATER AS-1 28.0 0.04 3 ET-1 7.6 2.5 11 17 SEE NOTESNOTES: 1. PROVIDE CENTRIFUGAL TYPE AIR SEPARATOR WITH HIGH CAPACITY AIR VENT. 2. PROVIDE VERTICAL BLADDER TYPE EXPANSION TANK WITH FLOOR SKIRT, PRE-CHARGE TO 12 PSIG.

FAN SCHEDULEE.S.P. ELECTRICAL DATA

TAG FAN TYPE C.F.M. (IN. WG.) DRIVE H.P. VOLTS PHASE REMARKSEF-1 EXHAUST 500 0.35 DIRECT 1/15 120 1 SEE NOTES

NOTES: 1. PROVIDE DIRECT DRIVE FANS WITH ELECTRONIC SPEED CONTROLLER. 2. PROVIDE SIDEWALL FAN WITH WALL MOUNTING SLEEVE, INTEGRAL DISCONNECT, MOTORSIDE GUARD, AND BACKDRAFT DAMPER.

GAS FIRED UNIT HEATER SCHEDULEINPUT CAPACITY M.B.H. OUTPUT APPROX. MOTOR ELECTRICAL DATA

TAG (C.F.H.) CAPACITY C.F.M. H.P. VOLTS PHASE REMARKSUH-1 30 24.0 505 1/15 120 1 SEE NOTES

NOTES: 1. PROVIDE WITH SINGLE STAGE COMBINATION GAS VALVE AND HORIZONTAL CONCENTRIC VENT OUTLET. 2. PROVIDE WITH REMOTE WIRED THERMOSTAT, ADJUSTABLE HORIZONTAL LOUVERS AND PROPELLER FAN.

AIR HANDLING UNIT SCHEDULESUPPLY FAN DATA CHILLED WATER COOLING COIL DATA HOT WATER PRE-HEAT COIL DATA

S.A. O.A. ELECTRICAL DATA TOTAL SENS. MAX. TOTAL MAX.C.F.M. C.F.M. E.S.P. FAN

M.C.A. M.O.C.P.CAPACITY CAPACITY E.D.B. E.W.B. E.W.T. L.W.T. W.P.D. CAPACITY E.D.B. E.W.T. L.W.T. W.P.D.

TAG (MIN. / MAX.) (MIN. / MAX.) (IN. WG.) QTY H.P. TYPE VOLTS PHASE M.B.H. M.B.H. (ºF)(ºF)(ºF)(ºF)G.P.M. (FT. WG.) M.B.H. (ºF)(ºF)G.P.M. (ºF)(FT. WG.) REMARKSAHU-1 6950 / 2050 2050 / 450 2.00 2.00 4 DIRECT 208 19 25 3 272.6 191.5 79.7 67 45 59.2 38.2 3.24 86.8 26.0 120 6.6 93 0.6 SEE NOTES

NOTES: 1. LEAVING AIR TEMPERATURE IS TO BE PROVIDED AT THE UNIT DISCHARGE, TOTAL & SENSIBLE CAPACITIES ARE "NET" VALUES TO BE PROVIDED DOWNSTREAM OF THE SUPPLY AIR FAN. 2. PROVIDE INVERTER DUTY RATED MOTOR SUITABLE FOR USE WITH A VFD. 3. PROVIDE WITH THE FOLLOWING SECTIONS: MERV 8 FILTER, PREHEAT COIL, COOLING COIL, COIL ACCESS PANEL, FAN, AND FAN ACCESS PANEL. 4. PROVIDE AIR HANDLER UNIT WITH MAXIMUM DIMENSIONS OF 58"x58"x96".

HOT WATER BOILER SCHEDULEINPUT OUTPUT L.W.T. E.W.T. ELECTRICAL DATA

TAG FUEL (M.B.H.) (M.B.H.) G.P.M. (ºF) (ºF) M.C.A. F.L.A. VOLTS PHASE REMARKSB-1 PROPANE 155.0 147.3 14.0 120 100 2.8 2.2 120 1 SEE NOTESB-2 PROPANE 155.0 147.3 14.0 120 100 2.8 2.2 120 1 SEE NOTES

NOTES: 1. PROVIDE SUITABLE FOR 2 PSIG GAS PRESSURE. 2. PROVIDE SUITABLE FOR 80 PSI WORKING PRESSURE. 3. PROVIDE ALL TRIM AND APPURTENANCES RECOMMENDED FOR INDICATED APPLICATION. 4. PROVIDE BOILERS WITH INLINE PRIMARY HOT WATER PUMP RATED FOR 15.0 GPM AND 10 FT OF HEAD 5. PROVIDE CONDENSING BOILERS WITH BACNET MS/TP INTERFACE.

LOUVER SCHEDULEMIN. FREE AREA

TAG SERVICE SIZE (IN.) WxH (SF) C.F.M. SERVES REMARKSL-1 INTAKE 44x32 5.3 2050 AHU-1 SEE NOTESL-2 INTAKE 20x20 1.1 500 EF-1 SEE NOTESL-3 RELIEF 36x36 4.4 2050 AHU-1 SEE NOTES

NOTES: 1. PROVIDE INSECT SCREEN FOR INTAKE SERVICE, BIRDSCREEN FOR RELIEF SERVICE. 2. PROVIDE ALUMINUM STORMPROOF CONSTRUCTION. 3. PROVIDE COLOR CHART FOR FINISH SELECTION BY COTR. 4. LOUVER SHALL BE LISTED FOR AMCA 500L FOR AIRFLOW RESISTANCE AND WATER PENETRATION. 5. INTAKE LOUVERS SHALL BE AT MINIMUM 10 FEET ABOVE FINISHED FLOOR.

AIR COOLED CHILLER SCHEDULECAPACITY EVAPORATOR CONDENSER FAN COMPRESSOR ELECTRICAL DATA

TAG (TONS) G.P.M. P.D. (FT.) E.W.T. (°F)L.W.T. (°F)QUANTITY F.L.A. TYPE QUANTITY R.L.A. M.C.A. M.O.C.P. VOLTS PHASE REMARKSAC-1 26 38.2 6.6 59.2 45.0 2 6.8 SCROLL 2 50.6 148 175 208 3 SEE NOTES

NOTES: 1. PROVIDE MANUFACTURER'S PUMPING PACKAGE WITH DUAL 5 HP (SIZED FOR 25 FT. HEAD) PUMPS WITH INVERTER DUTY RATED MOTORS SUITABLE FOR USE WITH VARIABLE FREQUENCY DRIVES, STRAINERS, CHECK VALVES, EXPANSION TANK, AIR SEPARATOR, AND 143 GAL. BUFFER TANK. PUMPS SHALL BE CONSTRUCTED OF MANUFACTURER'S STANDARD MATERIALS SUITABLE FOR CHILLED WATER, AND PROVIDED WITH MECHANICAL SEALS, DRIP PROOF ELECTRIC MOTOR, AND NON-OVERLOADING SELECTION. PUMP MOTORS SHALL BE EQUIPPED WITH VARIABLE FREQUENCY DRIVES BUT SHALL OPERATE AT CONSTANT SPEED. 2. PROVIDE INTEGRAL CIRCUIT BREAKER, CONTROL VOLTAGE TRANSFORMERS, PUMPS, AND SEPARATE 120V CIRCUITS FOR EVAPORATOR PIPING HEAT TAPE AND BUFFER TANK HEAT TAPE. 3. PROVIDE WITH 4 STAGES OF UNLOADING. MINIMUM EFFICIENCY AT AHRI CONDITIONS: 9.89 EER / 14.27 IPLV. 4. PROVIDE WITH BACNET MS/TP INTERFACE, CONDENSER COIL GUARDS, WIDE AMBIENT CONDENSER CONTROL, AND 410A REFRIGERANT. 5. PROVIDE PHASE MONITORS FOR ALL 3 PHASE EQUIPMENT: PHASE UNBALANCE PROTECTION, OVER/UNDER VOLTAGE PROTECTION, PHASE LOSS PROTECTION, DELAY OF BREAK TIMER TO DELAY AUTOMATIC RESTARTS, NON-CRITICAL FAULT DELAY, PROGRAMMABLE AUTO/MANUAL RESTART, AND LOAD AND LINE SLIDE MONITORING. 6. CONDENSER COILS SHALL MEET 3000 HOUR SALT SPRAY TEST IN ACCORDANCE WITH ASTM B117-90. 7. EACH CIRCUIT SHALL BE PROVIDED WITH LIQUID AND SUCTION LINE SERVICE VALVES AND CORE FILTER DRIER ON THE LIQUID LINE. 8. CAPACITY BASED ON 96°F AMBIENT TEMPERATURE.


WALKERGROUP


the

ARCHITECTURE






01/24/2020

VAV SHUT-OFF TERMINAL UNITS

GENERAL: AN OVERRIDE SWITCH INTEGRAL TO EACH ZONE TEMPERATURE SENSOR SHALL RETURN THE RESPECTIVE AHU FROM UNOCCUPIED TOOCCUPIED BUT ONLY THE ZONE OVERRIDDEN SHALL RETURN TO OCCUPIED MODE. WHEN ANY OVERRIDE SWITCH IS ENERGIZED, AHU AND ALL VAVBOXES ASSOCIATED WITH THE ZONE OVERRIDDEN SHALL BE ENERGIZED THROUGH DDC CONTROL BUT ONLY THE ZONE OVERRIDDEN SHALL RETURN TOOCCUPIED MODE TEMPERATURE SETPOINTS. AFTER TWO HOURS, THE ZONE SHALL RETURN TO UNOCCUPIED MODE. ENERGIZED AHU AND ALLASSOCIATED VAV BOXES SHALL BE DE-ENERGIZED UNLESS AHU IS UNDER CONTROL OF ANOTHER ZONE IN OVERRIDE POSITION. REFER TO GLOBALTEMPERATURE SETPOINT NOTE THIS SHEET.

COOLING-OCCUPIED: THE ZONE TEMPERATURE SENSOR THROUGH DDC CONTROL SHALL MODULATE THE PRIMARY AIR VALVE IN THE VAV BOX TOMAINTAIN GLOBAL ZONE TEMPERATURE SETPOINT, OPENING THE AIR VALVE ON A RISE IN SPACE TEMPERATURE, OR CLOSING IT ON A FALL IN SPACETEMPERATURE, (NOT TO FALL BELOW MINIMUM SCHEDULED PRIMARY AIR QUANTITY).

HEATING-OCCUPIED: THE PRIMARY AIR VALVE SHALL START IN ITS MINIMUM SCHEDULED POSITION THRU DDC CONTROL. THE ZONE TEMPERATURESENSOR THROUGH DDC CONTROL SHALL MODULATE THE HOT WATER CONTROL VALVE TO MAINTAIN GLOBAL ZONE TEMPERATURE SETPOINT. ON A RISEIN ZONE TEMPERATURE, THE OPPOSITE SHALL OCCUR. IF SPACE TEMPERATURE IS SLOW TO RESPOND, CONTROLLER SHALL MODULATE PRIMARY AIRVALVE OPEN TO A MAX OF 80%. ON A RISE IN ZONE TEMPERATURE, THE OPPOSITE SHALL OCCUR.

COOLING-UNOCCUPIED: THE VAV BOX PRIMARY AIR VALVE SHALL BE FULLY CLOSED UNLESS THE ASSOCIATED AHU SUPPLY FAN IS ENERGIZED. ON ARISE IN ZONE TEMPERATURE ABOVE SETBACK SETPOINT (85°F, ADJ.) THE VAV BOX PRIMARY AIR VALVE SHALL MODULATE TO MAINTAIN SETPOINT. DDCCONTROLLER SHALL MAINTAIN 55°F SUPPLY AIR TEMPERATURE. AHU SHALL REMAIN ENERGIZED UNTIL ZONE SETBACK TEMPERATURE SETPOINT ISACHIEVED. IF ZONE TEMPERATURE FALLS BELOW SETBACK SETPOINT, VAV BOX SHALL CLOSE AIR VALVE TO MIN. POSITION.

HEATING-UNOCCUPIED: THE VAV BOX PRIMARY AIR VALVE SHALL BE FULLY CLOSED UNLESS THE ASSOCIATED AHU SUPPLY FAN IS ENERGIZED. ON AFALL IN ZONE TEMPERATURE BELOW SETBACK SETPOINT (60°F, ADJ.) THE PRIMARY AIR VALVE SHALL OPEN TO 80%. DDC CONTROLLER SHALL MODULATEVAV BOX HOT WATER CONTROL VALVE TO MAINTAIN ZONE SETBACK TEMPERATURE SETPOINT. IF ZONE TEMPERATURE RISES ABOVE SETBACKSETPOINT, THE OPPOSITE SHALL OCCUR.

DDC/EMCS SIGNAL-FUNCTION:

ZONE TEMPERATURE SENSOR - AIR VALVE CONTROL, HOT WATER VALVE CONTROL, STATUS, ALARM OVERRIDE SWITCH - OCCUPIED CONTROL, STATUS HOT WATER CONTROL VALVE - ZONE TEMPERATURE CONTROL, STATUS AIR VALVE - ZONE TEMPERATURE CONTROL, STATUS (AIRFLOW)

SUPPLY

TO SPACE

AIR FLOW

TS

OVER-RIDE

PUSH-BUTTON

SENSOR W/

SPACE TEMPERATURE

AIR SUPPLY

PRIMARY

VAV BOX

AIR VALVE

HW VALVE CONTROL

AIR VALVE CONTROL

AN

AL

OG

SHUT-OFF VAV TERMINAL UNIT

LOCAL DDC CONTROLLER

SPACE TEMP.

AIRFLOW QUANTITY

DISCHARGE AIR TEMP.

SPACE TEMP. SETPOINT

HWS

HWR

OVERRIDE

AN

AL

OG

DIG

IT

AL

OUTPUTS

INPUTS

2-WAY CONTROL VALVE. PROVIDE 3-WAYCONTROL VALVE FOR VAV-8 AND VAV-10.

AO2

AO1

DI1

AI4

AI3AI2AI1

AO2

TS

AI3

DI1

AI2AI1

AO1

AI4

GENERAL: AHU SUPPLY FAN SPEED SHALL BE DETERMINED BY DISCHARGE AIR PRESSURE ANDPOLLING OF VAV BOX DAMPER POSITIONS. AIR PRESSURE SETPOINT SHALL BE 1.5" W.G.,ADJUSTABLE.

COOLING-OCCUPIED/OVERRIDE: AHU SUPPLY FAN SHALL BE ENERGIZED AND RUN CONTINUOUSLY.OUTSIDE AND RETURN AIR DAMPERS SHALL MODULATE TO MAINTAIN MIN. O.A. FLOW AS MEASUREDBY THE OUTSIDE AIR AIRFLOW MEASUREMENT STATION. THE O.A. DAMPER SHALL FULLY STROKEBEFORE THE R.A. DAMPER STARTS MODULATING. DISCHARGE AIR TEMPERATURE CONTROLLERSHALL MODULATE THE CHILLED WATER VALVE TO MAINTAIN 53°F (ADJ.) LEAVING AIR TEMPERATURE.HOT WATER CONTROL VALVE SHALL BE FULLY CLOSED TO COIL. A SUPPLY AIR TEMPERATURE RESETSTRATEGY SHALL BE EMPLOYED. SUPPLY AIR TEMPERATURE SHALL BE RAISED IN ONE DEGREEINCREMENTS UNTIL ONE ZONE DAMPER IS 90% OPEN. IF OA DRY BULB TEMPERATURE IS 65°F (ADJ.)OR LOWER, THE SUPPLY AIR TEMPERATURE RESET SHALL BE NO HIGHER THAN 58°F (ADJ.). IF ANYZONE DAMPER IS 100% OPEN AND ZONE TEMPERATURE RISES ABOVE SETPOINT, SUPPLY AIRTEMPERATURE SHALL BEGIN TO RESET LOWER.

COOLING-UNOCCUPIED: UNIT SHALL BE DE-ENERGIZED UNLESS THE AVERAGE OF THE ZONETEMPERATURES RISES ABOVE THE SETBACK TEMPERATURE SETPOINT. THE OA DAMPER SHALL BECLOSED.

HEATING-OCCUPIED: AHU SUPPLY FAN SHALL BE ENERGIZED AND RUN CONTINUOUSLY. O.A. FLOWSHALL BE MAINTAINED AS DESCRIBED IN COOLING-OCCUPIED MODE ABOVE. WHEN MIXED AIRTEMPERATURE DROPS TO 52°F, DISCHARGE AIR TEMPERATURE CONTROLLER THRU DDC CONTROLSHALL MODULATE THE HOT WATER VALVE TO MAINTAIN 55°F LEAVING AIR TEMPERATURE. THECHILLED WATER VALVE SHALL BE FULLY CLOSED TO THE COIL.

HEATING-UNOCCUPIED: IF THE AVERAGE OF THE ASSOCIATED ZONE TEMPERATURES FALLS BELOWTHE HEATING NIGHT SETBACK TEMPERATURE THE AHU SHALL BE ENERGIZED. THE OA DAMPERSHALL BE FULLY CLOSED. THE SUPPLY FAN SHALL MODULATE TO MAINTAIN DUCT STATIC PRESSUREWHILE THE VAV BOXES ARE INITIALLY AT MAXIMUM AIRFLOW. THE HOT WATER CONTROL VALVESHALL REMAIN CLOSED UNLESS DISCHARGE AIR TEMPERATURE FALLS BELOW 55°F. ZONE HEATINGSHALL BE MAINTAINED AT VAV BOXES. AS VAV BOX ZONES REACH SETPOINT, AIR VALVES SHALLMODULATE TO MAINTAIN SETPOINT.

TRANSITION FROM OCCUPIED TO UNOCCUPIED: AUTOMATICALLY THRU DDC CONTROL AND PRESETTIME SCHEDULE. SYSTEM SHALL ALSO BE ABLE TO BE RETURNED TO OCCUPIED MODE FROMUNOCCUPIED MODE BY THE OPERATOR WORKSTATION. TRANSITION FROM COOLING TO HEATINGSHALL OCCUR WHEN CHILLED WATER CONTROL VALVE IS CLOSED AND MIXED AIR TEMP. FALLSBELOW 52°F.

PRESSURE PROTECTION: A HIGH PRESSURE TRANSMITTER LOCATED AT THE SUPPLY FANDISCHARGE SHALL DE-ENERGIZE THE SUPPLY AIR FAN IF ITS SETPOINT, 5" WG, IS REACHED.

SEQUENCE OF OPERATION

COIL

HOT WATER

FROM VARIABLE

FREQUENCY DRIVE

FREEZESTAT

AIR

OPPOSED

DAMPER

BLADE

FILTER

OUTSIDE

NC

OPPOSED

DAMPER

BLADE

CW

R

NO

HW

R

HW

S

CW

S

NC

SET AT5" WG

CHILLED WATER

SUPPLY FAN

M

COIL

PRIMARY

AIR

SAFETY CONTROL: SMOKE DETECTOR SHALL BE PROVIDED BY FIRE ALARMCONTRACTOR. THROUGH DDC CONTROL IT SHALL DE-ENERGIZE THE ASSOCIATED AHU,SIGNAL FIRE ALARM PANEL AND CLOSE THE OUTSIDE AIR DAMPER UPON THEDETECTION OF THE PRODUCTS OF COMBUSTION.

FREEZE PROTECTION: IF HOT WATER COIL DISCHARGE AIR TEMPERATURE FALLSBELOW 40°F DURING HEATING MODE, THE FREEZESTAT SHALL CLOSE THE OUTSIDE AIRDAMPER, DE-ENERGIZE THE AHU SUPPLY FAN AND FULLY OPEN THE HOT WATER ANDCHILLED WATER VALVES TO COIL.

CONDENSATE HIGH LEVEL PROTECTION: IF CONDENSATE HIGH LEVEL SWITCH ISACTIVATED, UNIT SHALL BE DE-ACTIVATED AND AN ALARM INITIATED.

MORNING WARM-UP: AHU SHALL EMPLOY OPTIMUM START PRIOR TO OCCUPIEDSTATUS. THE OA DAMPER SHALL BE FULLY CLOSED. THE SUPPLY FAN SHALL MODULATETO MAINTAIN DUCT STATIC PRESSURE WHILE VAV BOXES ARE INITIALLY AT MAXIMUMAIRFLOW. HOT WATER COIL VALVE SHALL BE FULLY OPEN. AS VAV BOX ZONES REACHSETPOINT, PRIMARY AIR VALVES SHALL MODULATE TO MINIMUM AIRFLOW.

MORNING COOL-DOWN: THE UNIT SHALL EMPLOY OPTIMUM START PRIOR TO OCCUPIEDSTATUS, THE UNIT SHALL GO INTO MORNING COOL-DOWN. THE OA DAMPER SHALLFULLY CLOSE, THE SUPPLY FAN SHALL MODULATE TO MAINTAIN DUCT STATICPRESSURE, THE CW VALVE SHALL MODULATE TO MAINTAIN A 53°F (ADJ.) LEAVING AIRTEMPERATURE AND THE HOT WATER VALVE SHALL BE FULLY CLOSED TO THE COIL.ASSOCIATED VAV BOX AIR VALVES SHALL INITIALLY BE FULLY OPEN AND THENMODULATE TO MAINTAIN SPACE OCCUPIED TEMPERATURE SETPOINT, VAV BOX HWVALVES SHALL BE FULLY CLOSED TO THE COIL.

ALARMS: ALARM IF LEAVING AIR TEMPERATURE EXCEEDS 60°F IN COOLING MODE ORDROPS BELOW 50°F IN HEATING MODE. ALARM IF AHU SUPPLY FAN FAILS TO START ORFAILS DURING OPERATION. ALARM IF UNIT DISCHARGE STATIC PRESSURE EXCEEDS 5"W.G. ALARM IF CONDENSATE REACHES HIGH LEVEL. ALARM UPON SMOKE DETECTORACTIVATION.

DEMAND CONTROL VENTILATION: IF ANY SPACE CARBON DIOXIDE LEVEL FALLS BELOWSETPOINT (1,000 PPM, ADJ.), THE OUTSIDE AIRFLOW RATE SHALL BE AT THE MINIMUMSCHEDULED VALUE AS INDICATED IN THE EQUIPMENT SCHEDULE. AS LEVEL INCREASESABOVE SETPOINT, THE OUTSIDE AIR DAMPER SHALL PROPORTIONALLY MODULATEOPEN TO GENERATE THE SCHEDULED MAX OUTSIDE AIRFLOW RATE OVER A 1 HOUR(ADJ.) TIME PERIOD UNTIL THE LEVEL FALLS BELOW THE SETPOINT, AFTER WHICH THEDAMPER POSITION SHALL RETURN TO MINIMUM.

INPUTS

DIG

IT

AL

HW VALVE CONTROL

CW VALVE CONTROL

A02

AO1

OUTPUTS

A03

AN

AL

OG

SUPPLY AIR FAN STATUS

SMOKE DETECTOR

FREEZESTAT

MIXED AIR TEMPERATURE

SUPPLY AIR TEMPERATURE

HW COIL DISCHARGE AVERAGE

UNIT DISCHARGE STATIC PRESSURE

SA DOWN DUCT PRESSURE TRANSMITTER

AI4

AI5

DI1

DI3

DI2

AI2

AI1

AI3

AN

AL

OG


AHU

OA AIRFLOW MEASURE MOUNT STATION

AI6

A04

OUTSIDE AIR DAMPER CONTROL

AO1

AO4

DM

DM

AMSAI6

AI1

TS

FS

DI3

AO2TS

AI3

AO3

AI2

VFD TS SPS

AI4 AI5

SPS

DI1

DPS

NO

LOCATE AT 2/3 DOWNDUCT FROM AHU

AI7

CONDENSATE HI-LEVEL

DI4

DI4

LS

RA TEMPERATURE

AI8

AI8 TS

AI7 HS

PROVIDE 3-WAY CONTROL VALVE.PROVIDE 3-WAY CONTROL VALVE

SEE VFD CONTROL DIAGRAM

AIR

RETURN

DI2

SD

RA HUMIDITY

RETURN AIR DAMPER CONTROL

E

M

E

R

G

E

N

C

Y

H

V

A

C

S

H

U

T

D

O

W

N

P

U

L

L

T

O

R

E

S

E

T

NOTES:

1. EMERGENCY AIR DISTRIBUTION (LOCATION AS SHOWN ON PLAN

AND AS DETERMINED BY THE CONTRACTING OFFICER).

2. UPON ACTIVATION OF EMERGENCY PUSHBUTTON, ALL AIR

HANDLING UNITS SHALL BE DISABLED AND REMAIN

OFF UNTIL A MANUAL RESET HAS OCCURRED.

3. UPON ACTIVATION OF EMERGENCY PUSHBUTTON,

OUTSIDE AIR DAMPER FOR AHU-1 SHALL CLOSE FULLY.

4. SHUTOFF SWITCH SHALL BE MUSHROOM BUTTON WITH CLEAR

HINGED, PULL TO RESET, LABELED "EMERGENCY HVAC

SHUTDOWN".

ZONE TEMPERATURE SET POINTS SHALL BE DETERMINED BY A GLOBALTEMPERATURE SET POINT. THE ZONE TEMPERATURE SET POINT SHALL BEMADE ADJUSTABLE BY BUILDING OCCUPANTS +/- 3°F FROM THE GLOBAL SETPOINT. IF AMBIENT TEMPERATURE IS LESS THAN 50°F, THE GLOBAL ZONETEMPERATURE SET POINT SHALL BE 70°F. IF AMBIENT TEMPERATURE ISGREATER THAN 80°F, THE ZONE TEMPERATURE SHALL BE 76°F. IF AMBIENTTEMPERATURE IS BETWEEN 50°F AND 80°F, THE GLOBAL SET POINTTEMPERATURE SHALL BE RESET LINEARLY OR IN NO FEWER THAN 3 STEPS.ZONE TEMPERATURE SET POINT SHALL BE +/- 1°F FROM GLOBAL SET POINT.

GLOBAL TEMPERATURE SETPOINT NOTE:

INPUTS

DIG

IT

AL

AO1

OUTPUTS

AN

AL

OG

SPEED, %

KWH CONSUMPTION

CURRENT, AMPS

DRIVE STATUS

DRIVE FAULT

DI1

DI2

AI2

AI1

AI3

AN

AL

OG


VFD

SPEED CONTROL

VFD

AO1 DO1

DI1

DI2

AI1

AI2

AI3

DO1

DIG

IT

AL

ENABLE/DISABLE

EMERGENCY AIR DISTRIBUTION SYSTEM SHUTOFF SWITCH

SEQUENCE OF OPERATION

PER THE REQUIREMENTS OF UFC 4-010-01, SECTION B-4.3, THE FACILITY SHALL BE OUTFITTED WITH AN EMERGENCY AIR DISTRIBUTION SYSTEMSHUTOFF SWITCH WHICH SHALL, THROUGH THE DDC SYSTEM, IMMEDIATELY SHUT DOWN ALL AIR DISTRIBUTION SYSTEM COMPONENTSASSOCIATED WITH AHU-1 AND CLOSE ASSOCIATED ISOLATION DAMPERS. THE EMERGENCY SWITCH SHALL ALSO INITIATE AN AUDIBLE ALARMNOTIFICATION. SWITCH SHALL BE ACTIVATED IF BUILDING OCCUPANTS SUSPECT AIRBORNE CONTAMINANTS MAY BE PRESENT IN THE VICINITY OFTHE FACILITY. LOCATE THE SHUTOFF SWITCH (OR SWITCHES) SUCH THAT THEY ARE EASILY ACCESSIBLE BY BUILDING OCCUPANTS BY LOCATINGTHEM ADJACENT TO MANUAL FIRE ALARM PULL STATIONS. A MINIMUM OF ONE SWITCH SHALL BE PROVIDED PER FLOOR. ADDITIONAL SWITCHESSHALL BE PROVIDED AS REQUIRED TO ENSURE THAT THE TRAVEL DISTANCE TO THE NEAREST SHUTOFF SWITCH IS NOT IN EXCESS OF 200 FEET.SHUTOFF SWITCHES SHALL BE WELL LABELED AND BE OF A DIFFERENT COLOR THAN THE FIRE ALARM PULL STATIONS. COORDINATE COLOR ANDAPPEARANCE REQUIREMENTS OF THE SHUTOFF SWITCHES WITH THE GOVERNMENT PRIOR TO ORDERING.

EMERGENCY AIR DISTRIBUTION SHUT OFF LOCAL DDC CONTROLLER:1) SHUT-OFF SWITCH STATUS (DI)2) AUDIBLE ALARM (DO)3) ENABLE/DISABLE (DO)

VAV AHU CONTROL DIAGRAM (DDC) SCALE: NO SCALE M-701

A

VFD CONTROL DIAGRAM (DDC) SCALE: NO SCALE M-701

B

HVAC EMERGENCY SHUTOFF SWITCHSCALE: NO SCALE M-701

C

VAV SHUT-OFF TERMINAL UNIT CONTROL DIAGRAM (DDC)SCALE: NO SCALE M-701

D

AI9

CO2

CO2 SENSOR

AI9

REPEAT POINT FOREACH SENSOR

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