new work notes - img1.wsimg.com
TRANSCRIPT
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
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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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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.
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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.
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.
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.
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
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.
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.
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.
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
LOCAL DDC CONTROLLER
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
LOCAL DDC CONTROLLER
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