general notes abbreviations legend · pdf filertu-x rooftop unit designation ... all round...
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% PERCENT
ø DIAMETER
∆T CHANGE OF TEMPERATURE
AFF ABOVE FINISHED FLOOR
AMP AMPERE
APD AIR PRESSURE DROP
BTU/H BRITISH THERMAL UNITS PER HOUR
CAP CAPACITY
CFM CUBIC FEET PER MINUTE
CUH-x CABINET UNIT HEATER DESIGNATION
D CONDENSATE DRAIN
DALT DUCT AIR LEAKAGE TESTING
DB DRY BULB
db DECIBELS
DDC DIRECT DIGITAL CONTROL
DN DOWN
DP DIFFERENTIAL PRESSURE
DX DIRECT EXPANSION
EA ENTERING AIR
EA EXHAUST AIR
EAT ENTERING AIR TEMPERATURE
EER ENERGY EFFICIENCY RATIO
EF-x EXHAUST FAN DESIGNATION
ESP EXTERNAL STATIC PRESSURE
°F DEGREES FAHRENHEIT
FLA FULL LOAD AMPS
FPM FEET PER MINUTE
HP HORSEPOWER
HZ HERTZ
IN INCH/INCHES
IU-x INDOOR (SPLIT SYSTEM A/C) UNIT DESIGNATION
kA KILO AMPS INTERRUPTING CAPACITY
KW KILOWATTS
LAT LEAVING AIR TEMPERATURE
LBS POUNDS
MAX MAXIMUM
MBH 1000 BRITISH THERMAL UNITS PER HOUR
MCA MINIMUM CIRCUIT AMPS
MIN MINIMUM
MOP MAXIMUM OVER CURRENT PROTECTION
NC NOISE CRITERIA
NO NUMBER
NTS NOT TO SCALE
OA OUTSIDE AIR
OU-x OUTDOOR (SPLIT SYSTEM A/C) UNIT DESIGNATION
∆P PRESSURE DIFFERENTIAL
PD PRESSURE DROP
PH PHASE
RA RETURN AIR
RPM REVOLUTIONS PER MINUTE
RG REFRIGERANT GAS
RL REFRIGERANT LIQUID
RTU-x ROOFTOP UNIT DESIGNATION
SA SUPPLY AIR
SCCR SHORT CIRCUIT RATING
SD SMOKE DETECTOR
SENS SENSIBLE
SP STATIC PRESSURE
TYP TYPICAL
UH-x UNIT HEATER DESIGNATION
UL UNDERWRITERS LABORATORIES
V VOLTS
VAV-x-x VARIABLE AIR VOLUME BOX DESIGNATION
VD VOLUME DAMPER
VFD VARIABLE FREQUENCY DRIVE
W WATTS
WB WET BULB
THE MECHANICAL SYSTEM HAS BEEN DESIGNED IN ACCORDANCE WITH THE 2012 VIRGINIA UNIFORMSTATEWIDE BUILDING CODE.
COORDINATE LOCATION OF ALL DUCTWORK, SUPPLY AND RETURN DEVICES, EXHAUST FANS,THERMOSTATS AND OTHER WALL OR CEILING MOUNTED EQUIPMENT WITH REFLECTED PLANS, LIGHTFIXTURES, SPRINKLER SYSTEMS AND ACCESSORIES INSTALLED BY OTHER TRADES SO AS TO PRESENTA NEAT AND ATTRACTIVE INSTALLATION THROUGHOUT THE BUILDING.
ALL DUCTWORK SHALL BE CONCEALED UNLESS OTHERWISE NOTED.
ARRANGE DUCTWORK PARTICULARLY ABOVE CEILING AS REQUIRED TO CLEAR STRUCTURE, CONDUIT,LIGHTS, ETC., ALLOWING SPACE FOR HANGERS, INSULATION, ETC.
DUCT SIZES SHOWN ARE INSIDE FREE AREA DIMENSIONS.
REFER TO ARCHITECTURAL DRAWINGS AND LIFE SAFETY PLANS FOR ALL RATED CONDITIONS.
MAINTAIN PROPER CLEARANCES PER ELECTRICAL CODE ON ALL VAV BOXES AND OTHER EQUIPMENT.COORDINATE WITH ALL TRADES TO ENSURE CLEARANCES ARE NOT OBSTRUCTED.
INSTALL ALL VAV BOXES BETWEEN 6 INCHES MINIMUM AND 24 INCHES MAXIMUM ABOVE CEILING.
FINAL LOCATION OF SPACE THERMOSTATS AND SENSORS SHALL BE APPROVED BY ARCHITECT.
INSTALL ALL WALL MOUNTED NON-ADJUSTABLE SENSORS AT 5'-0" FROM FINISHED FLOOR TO TOP OFSENSOR. ADJUSTABLE DEVICE SHALL BE INSTALLED 4'-0' ABOVE FINISHED FLOOR.
ALL ROUND BRANCH DUCTS TO DIFFUSERS SHALL MATCH NECK SIZES SHOWN ON SCHEDULE, UNLESSOTHERWISE NOTED.
ALL DIFFUSERS, GRILLES AND REGISTERS SHALL BE SIZED TO HAVE A MINIMUM FREE AREA OF 70% ANDMEET PERFORMANCE CRITERIA SCHEDULED.
PROVIDE A CONTINUOUS RETURN AIR PATH FROM SPACE CEILING RETURN PLENUMS TO THEIRASSOCIATED ROOFTOP UNIT. IN SPACES HAVING WALLS THAT ARE CONTINUOUS TO DECK, AND FORWHICH NO TRANSFER DUCT HAS BEEN INDICATED, PROVIDE SLEEVED WALL OPENING WITH TRANSFER"L" DUCT SIZED AT 500 FPM.
INDICATED MANUFACTURER'S ARE FOR BASIS OF DESIGN ONLY. ALTERNATE MANUFACTURER'S AREALLOWED AS APPROVED.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
A
100
RETURN/EXHAUST GRILLE
SUPPLY DIFFUSER
DUCTWORK WITH TRANSITION
RECTANGULAR DUCT ELBOW WITH TURNING VANES
ROUND OR RADIUS DUCT ELBOW
90º RECTANGULAR DUCT ELBOW - TURN UP
90º RECTANGULAR DUCT ELBOW - TURN DOWN
90º ROUND DUCT ELBOW - TURN UP
90º ROUND DUCT ELBOW - TURN DOWN
DIFFUSER, REGISTER, AND GRILLE CFM AS INDICATED
NEW WORK NOTE
VOLUME DAMPER
SMOKE DETECTOR LOCATIONSD
3/4" DOOR UNDERCUT
THERMOSTAT OR TEMPERATURE SENSORT
ROOF MOUNTED EXHAUST FAN
D DRAIN PIPING
ROUND DUCTø
DIRECTION OF AIR FLOW
LINEAR DIFFUSER
X
FLEXIBLE AIR DUCT
TRANSFER DUCT, SIZE AS INDICATED
AD DUCT ACCESS DOOR
NIGNELANOISS
E
FO
RP
RE
E
Lic. No. 023349
KEVIN D. ALLEN AI
NI
LTH OFV
IRG
COMMON
WEA
SHEET NO.
JO
B N
O.:
SC
ALE
:
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:
AP
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CH
EC
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D:
DR
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N:
AS
NO
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VIS
ION
S:
SHT. OF
THOMPSONConsulting Engineers
22 ENTERPRISE PARKWAY
TELEPHONE: (757) 599-4415PROJECT NUMBER: 17041
FAX: (757) 599-4113
HAMPTON, VA 23666
104
03-07-18
3/6
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M M-001
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NE
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ND
AN
DA
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VIA
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NS
AD
DIT
ION
TO
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DL
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1997 H
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17005
100%
FIN
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UB
MIT
TA
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82
ABBREVIATIONSABBREVIATIONSGENERAL NOTESGENERAL NOTES LEGENDLEGEND
NIGNELANOISS
E
FO
RP
RE
E
Lic. No. 023349
KEVIN D. ALLEN AI
NI
LTH OFV
IRG
COMMON
WEA
SHEET NO.
JO
B N
O.:
SC
ALE
:
DA
TE
:
AP
PR
OV
ED
:
CH
EC
KE
D:
DR
AW
N:
AS
NO
TE
D
RE
VIS
ION
S:
SHT. OF
THOMPSONConsulting Engineers
22 ENTERPRISE PARKWAY
TELEPHONE: (757) 599-4415PROJECT NUMBER: 17041
FAX: (757) 599-4113
HAMPTON, VA 23666
104
03-07-18
3/6
/2018 3
:10:0
0 P
M M-002
ME
CH
AN
ICA
L S
CH
ED
ULE
SA
DD
ITIO
N T
O H
ICK
OR
Y M
IDD
LE
SC
HO
OL
1997 H
AW
K B
LV
D, C
HE
SA
PE
AK
E V
A 23322
JA
R
RC
P
MW
T
03/0
7/1
8
17005
100%
FIN
AL S
UB
MIT
TA
L
83
STYLEUNITNO.
HORIZONTAL DISCHARGE
CFM
400
CAPACITY(MBH)
11,200
KW
3.3
ELECTRIC HEATING COIL
V
277
PH
1
AMPS
11.9
SELECTION BASEDON "MARKEL"
GIG5103N
REMARKS
REMARKS:
UH-1
ELECTRIC UNIT HEATER SCHEDULE
PROVIDE WITH INTEGRAL THERMOSTAT AND FACTORY WIRED DISCONNECT SWITCH.
1 2
1 PROVIDE HANGING BRACKET.2
MARK
A
GRILLE, REGISTER & DIFFUSER SCHEDULE
NECKSIZE
6"ø
FACESIZE
12" x 12"LOUVERED FACE ADJUSTABLE
CEILING DIFFUSER
DESCRIPTION
STEEL
MATERIAL
WHITE
FINISH
NO
VOLUMEDAMPER
SQUARE
SHAPE
0.1"
MAXIMUM P
25
MAXIMUMNC
SELECTIONBASED ON
"PRICE"
SCDA
REMARKS
B 8"ø 12" x 12" STEEL WHITE NO SQUARE 0.1" 25 SCDA
C 10"ø 24" x 24" STEEL WHITE NO SQUARE 0.1" 25 SCDA
D 12"ø 24" x 24" STEEL WHITE NO SQUARE 0.1" 25 SCDA
E 14"ø 24" x 24" STEEL WHITE NO SQUARE 0.1" 25 SCDA
F 16"ø 24" x 24" STEEL WHITE NO SQUARE 0.1" 25 SCDA
REMARKS: REFER TO ARCHITECT'S REFLECTED CEILING PLAN FOR CEILING TYPES. FOR ACOUSTICCEILING, PROVIDE WITH 24" x 24" PANEL SUITABLE FOR MOUNTING IN LAY-IN GRID. FORDRYWALL CEILING, PROVIDE WITH SMALL FACE AND SURFACE MOUNT FRAME.
PROVIDE 3-CONE CONFIGUARION.
LOUVERED FACE ADJUSTABLECEILING DIFFUSER
LOUVERED FACE ADJUSTABLECEILING DIFFUSER
LOUVERED FACE ADJUSTABLECEILING DIFFUSER
LOUVERED FACE ADJUSTABLECEILING DIFFUSER
LOUVERED FACE ADJUSTABLECEILING DIFFUSER
Z 8" x 8" 10" x 10" STEEL WHITE NO SQUARE 0.1" 25 530
Y 12" x 12" 14" x 14" STEEL WHITE NO SQUARE 0.1" 25 530
X 18" x 18" STEEL WHITE NO SQUARE 0.1" 25 53016" x 16"
W 24" x 24" STEEL WHITE NO SQUARE 0.1" 25 53022" x 22"
CEILING RETURN OR EXHAUST GRILLE45° DEFLECTION, 3/4" SPACING
PROVIDE 4-CONE CONFIGUARION.
CEILING RETURN OR EXHAUST GRILLE45° DEFLECTION, 3/4" SPACING
CEILING RETURN OR EXHAUST GRILLE45° DEFLECTION, 3/4" SPACING
CEILING RETURN OR EXHAUST GRILLE45° DEFLECTION, 3/4" SPACING
G 8"ø 48" x 4" ALUMINUM WHITE YES RECTANGULAR 0.1" 25 SDS100LINEAR DIFFUSER
1 2
1 2
1 3
1 3
1 3
1 3
1
1
1
1
1
2
3
1
4
PROVIDE 4-SLOT DIFFUSERAND PLENUM BOX.
4
UNITNO SUPPLY
CFMRPM
ESP(IN)
HP
SUPPLY FAN DATA EXHAUST FAN DATA
RPM HPESP(IN)
EXHAUSTCFM
ENERGY WHEEL SUPPLY AIR DATA
COOLING HEATING
OACFM
EAT LAT EAT LAT
DB(°F)
WB(°F)
DB(°F)
DB(°F)
DB(°F)
WB(°F)
WB(°F)
WB(°F)
APD(IN)
ENERGY WHEEL EXHAUST AIR DATA
COOLING HEATING
EACFM
EAT LAT EAT LAT
DB(°F)
WB(°F)
DB(°F)
DB(°F)
DB(°F)
WB(°F)
WB(°F)
WB(°F)
APD(IN)
ENERGY WHEELMOTOR DATA
HP V PH TOTAL(MBH)
SENS(MBH)
CAPACITY
DB(°F)
EAT
WB(°F)
DB(°F)
WB(°F)
LATNO. OFCOMP
INPUT(MBH)
OUTPUT(MBH)
EATDB(°F)
LATDB(°F)
DX COOLING COIL PERFORMANCE GAS HEATING COIL PERFORMANCE ELECTRICA DATA
V PH MOP
UNITWEIGHT
(LBS)
SELECTIONBASED ON"TRANE"
REMARKS
12,300RTU-8 1400 3.0 20 9,830 600 1.0 5 6485 95 78 80 68 15 12 54 42 76 65 91 75 68 50 25 210.21 6235 0.23 1/4 480 3 608 377 80 68 53 51 4 500 400 54 91 480 3 150 12,475 SFHLF554 1 2
REMARKS: PROVIDE UNIT WITH MERV 8 FILTERS.
PROVIDE WITH FACTORY MOUNTED AND WIRED VARIABLE FREQUENCYDRIVES FOR SUPPLY AND EXHAUST FANS.
1
2
PROVIDE WITH DOWN DISCHARGE CONFIGURATION.
PROVIDE UNIT WITH R-410A REFRIGERANT.
3
4
SEPARATE POWER FEED REQUIRED FOR ENERGY WHEEL.PROVIDE WITH SINGLE POINT POWER CONNECTION.
PROVIDE CONDENSATE PAN SWITCH AND ALARM.
5
SCCR(kA)
65
PACKAGED ROOFTOP AIR CONDITIONING UNIT SCHEDULE
FUEL TYPE
NATURAL GAS 3 4 5 6 7 8
6
PROVIDE FACTORY MOUNTED AIRFLOW MEASURING SENSORS FOR OUTDOOR AIR MEASUREMENT.
PROVIDE ISOLATION RAILS AND ACOUSTICAL PACKAGE BY MASON INDUSTRIES (NO SUBSTITUTIONS).REFER TO SPECIFICATION 230500.
7
8
TYPEUNITNO.
EF-23 POWER ROOF VENTILATOR
ARRANGEMENT
DOWNBLAST
WHEEL DRIVE
BELT
CFM
420
EXHAUST FAN SCHEDULE
ESP(IN.)
0.25
FAN RPM
1269
TIPSPEED(FPM)
3716 1/6
HP (W)
120
V
1
PH
MOTOR DATA CONTROLMETHOD
DDC
MAXSONES
6.6
SELECTIONBASED ON
"GREENHECK"
GB-081-6
REMARKS
BACKWARDS INCLINEDCENTRIFUGAL
REMARKS: PROVIDE INTEGRAL DISCONNECT SWITCH.
EF-24 690 0.35 1677 4912 1/4 11.1
EF-25 260 0.25 1416 4148 1/6 7.7
POWER ROOF VENTILATOR DOWNBLAST BELT 120 1 DDC GB-081-4BACKWARDS INCLINED
CENTRIFUGAL
POWER ROOF VENTILATOR DOWNBLAST BELT 120 1 DDC GB-071-6BACKWARDS INCLINED
CENTRIFUGAL
1
1
1
1
REFER TO SPECIFICATIONS FOR ADDITIONAL OPTIONS.2
2
2
2
UNITNO.
SERIES FAN POWERED VAV BOX SCHEDULE
INLET VALVE
MAXCFM
740
MINCFM
390
SIZE(IN.)
8"
CFM
0.35
FAN DATA
ESP(IN.)
20.5
MBH
ELECTRIC HEATING COIL DATA SELECTIONBASED ON"TRANE"
VSEF
REMARKS
REMARKS: PROVIDE WITH 1" FOIL FACED INSULATION.
PROVIDE WITH 2 STAGE CONTACTOR WITH PULSE WIDTH MODULATION.
480
VEAT(°F)
65.5
LAT(°F)
91.08-1 3
PH
715 375 8" 0.35 20.5 VSEF65.5 91.9
715 8" 0.35 20.5 VSEF65.5 91.9
710 8" 0.35 20.5 VSEF65.4 92.0
670 355 8" 0.35 20.5 VSEF65.5 93.7
730 385 8" 0.35 20.5 VSEF65.5 91.3
730 385 8" 0.35 20.5 VSEF65.5 91.3
400 210 8" 0.35 23.9 VSEF65.5 93.0
710 8" 0.35 20.5 VSEF65.5 92.1
740 390 8" 0.35 20.5 VSEF65.5 91.0
675 355 8" 0.35 20.5 VSEF65.5 93.5
670 355 8" 0.35 20.5 VSEF65.5 93.7
680 360 8" 0.35 20.5 VSEF65.5 93.3
600 320 8" 0.35 17.1 VSEF65.0 91.2
885 470 8" 0.35 27.3 VSEF65.5 94.0
400 210 8" 0.35 23.9 VSEF65.5 93.0
8-2
8-3
8-4
8-5
8-6
8-7
8-8
8-9
8-10
8-11
8-12
8-13
8-14
8-15
8-16
MOTOR DATA
V
277
HP
1/36.0
KW
6.0
6.0
6.0
6.0
6.0
6.0
7.0
6.0
6.0
6.0
6.0
6.0
5.0
8.0
7.0
SIZE
03SQ
03SQ
03SQ
03SQ
03SQ
03SQ
03SQ
03SQ
03SQ
03SQ
03SQ
03SQ
03SQ
02SQ
03SQ
03SQ
480 3 277 1/3
480 3 277 1/3
480 3 277 1/3
480 3 277 1/3
480 3 277 1/3
480 3 277 1/3
480 3 277 1/3
480 3 277 1/3
480 3 277 1/3
480 3 277 1/3
480 3 277 1/3
480 3 277 1/3
480 3 277 1/8
480 3 277 1/3
480 3 277 1/3
PROVIDE WITH ECM MOTOR.
740
715
715
710
670
730
730
800
710
740
675
670
680
600
885
800
200 105 4" 0.35 5.1 VSEF65.5 85.78-17 1.502SQ 480 3 277 1/8200
665 350 8" 0.35 15.4 VSEF65.5 86.88-18 4.502SQ 480 3 277 1/8665
665 350 8" 0.35 15.4 VSEF65.5 86.88-19 4.502SQ 480 3 277 1/8665
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1
2
3
375
375
375
STYLEUNITNO.
VERTICAL DISCHARGE -RECESSED
CFM
250
CAPACITY(MBH)
10,239
KW
5
ELECTRIC HEATING COIL
V
277
PH
3
AMPS
7.8
SELECTION BASEDON "MARKEL"
633D05
REMARKS
REMARKS:
CUH-1
CABINET UNIT HEATER SCHEDULE
PROVIDE WITH FACTORY WIRED DISCONNECT SWITCH.
CUH-2
UNIT HEATER SHALL BE CONTROLLED THROUGH THE DDC.
VERTICAL DISCHARGE -RECESSED 250 10,239 5 277 633D05
CUH-3HORIZONTAL DISCHARGE -
DUCTED 250 10,239 5 277 633D05
1 2
1 2
2
1
1 2
3 7.8
3 7.8
UNITNO.
IU-1
SPLIT SYSTEM AIR CONDITIONING UNIT SCHEDULE
CFM
320
DB (°F)
80.0
WB (°F)
67.0
EAT SELECTION BASEDON "MITSUBISHI"
PKA-A12HA6
MCA
1
FLA
0.33
ELECTRICAL
VOLTS
208
PH
1
COOLING(MBH)
12.0
INDOOR UNITNOMINALCAPACITY
UNITNO.
OU-1
DB (°F)
95.0
WB (°F)
78.0
EAT SELECTION BASEDON "MITSUBISHI"
PUY-A12NHA6
MCA
13
MOP
15
ELECTRICAL
VOLTS
208
PH
1
OPERATINGWEIGHT (LBS)
82
REMARKS
OUTDOOR UNIT
REMARKS: WALL MOUNTED INDOOR UNIT, COOLING ONLY.
MOUNT INDOOR UNIT 7'-4" AFF TO BOTTOM OF UNIT.
PROVIDE WITH WALL MOUNTED WIRED CONTROLLER.
PROVIDE WITH CONDENSATE PUMP "LITTLEGIANT" MODEL EC-OP-K OR EQUAL.
PROVIDE INDOOR UNIT WITH 14/3 CONDUCTOR AND 3-POLEDISCONNECT SWITCH BY UNIT MANUFACTURER.
POWER & CONTROL WIRING TO INDOOR UNIT SHALL BE SERVED FROMOUTDOOR UNIT. WIRING BETWEEN UNITS BY DIV 23.
1 2 3 4 5 6
1
2
3
4
5
6
VAV-8-1
VAV-8-2
CUH-1
VAV-8-3
VAV-8-5
VAV-8-9
109
105
104
103
102
123
106
108
107B
T
T
T
T
T
VAV-8-4
VAV-8-8
EF-24 ONROOF
14"/14"
12"/12" 10"/10"
B
185 B
185
B
185
B
185
12"ø
16"/14"
A
100
B
180
B
175
B
180
B
180
B
175
B
180
B
180
B
180
B
175
B
175
B
180
B
180
B
175
B
175
B
180
B
180
2
2
2
2
2
2
2
12"/12"
10"/10"
12"/12"
10"/10"
12"/12" 10"/10"
14"/14"
14"/14"
14"/14"
14"/14"10"/10"
12"ø
12"ø
W
W
W
W
G
100
G
100 10"/8"
8"ø
8"ø
1
Y
200
Z
70
B
140
12"/10"
10"/8"
6"/6"
8"/8"
W
420
W
B
185
B
185
B
18514"/14"
CUH-3
A
100
T
T
CUH-3
G
105
G
250
10"/8"
10"/8"
W
T
C
225
16"/14"
14"/14"AREA A
AREA B
12"ø
12"ø
12"ø
12"ø
EXISTINGBUILDING
NEWADDITION
8"ø
W
AD
T CUH-1
12"/12"
10"/10"
NIGNELANOISS
E
FO
RP
RE
E
Lic. No. 023349
KEVIN D. ALLEN AI
NI
LTH OFV
IRG
COMMON
WEA
0' 1' 5' 10' 20'1/8" = 1'-0"
SHEET NO.
JO
B N
O.:
SC
ALE
:
DA
TE
:
AP
PR
OV
ED
:
CH
EC
KE
D:
DR
AW
N:
AS
NO
TE
D
RE
VIS
ION
S:
SHT. OF
GRAPHIC SCALE
THOMPSONConsulting Engineers
22 ENTERPRISE PARKWAY
TELEPHONE: (757) 599-4415PROJECT NUMBER: 17041
FAX: (757) 599-4113
HAMPTON, VA 23666
104
03-07-18
3/6
/2018 3
:10:5
0 P
M M-101
FLO
OR
PLA
N -
AR
EA
A -
ME
CH
AN
ICA
LA
DD
ITIO
N T
O H
ICK
OR
Y M
IDD
LE
SC
HO
OL
1997 H
AW
K B
LV
D, C
HE
SA
PE
AK
E V
A 23322
JA
R
RC
P
MW
T
03/0
7/1
8
17005
100%
FIN
AL S
UB
MIT
TA
L
84
1/8" = 1'-0"
FLOOR PLAN - AREA A - MECHANICALFLOOR PLAN - AREA A - MECHANICALKEY PLAN
N.T.S.
A
NEW WORK NOTES
NO. DESCRIPTION
1 ROUTE 14"x14" DUCT UP TO EF-24 ON ROOF.
2 MAINTAIN MANUFACTURER'S RECOMMENDED SERVICEAREA FOR ALL VAV TERMINAL UNITS. COORDINATECLEARANCE REQUIREMENTS WITH OTHER TRADES.REFER TO VAV BOX INSTALLATION DETAIL ON DRAWINGM-301.
VAV-8-10
VAV-8-6
VAV-8-7
VAV-8-11
VAV-8-13
VAV-8-12
VAV-8-14
VAV-8-15
CUH-2
123
122
119
118
116
115
114
124
117
113
112
111B
120
107B
RTU-8ON ROOF
EF-23 ONROOF
T
T
T
T
T
T
T
UH-1
EF-25 ONROOF
VAV-8-16
T
VAV-8-18
VAV-8-19
6
6
SD
SD
55
46"/22"
46"/22"52"/30" UP
C
225
C
220
C
220
C
220
B
150
B
150B
150
B
150
B
170
B
170
B
170
B
170
B
170
B
170
B
170
B
165
B
185
C
225
C
220
B
180
B
180
B
185
B
185
B
180
B
185
B
185
B
180
C
225
C
220
C
225
A
100
A
100
G
100
G
100
2
2
2
2
2
2
2
2
2
2
2
T
W
14"/12"
10"/12"
16"/12"
14"/14"
12"/12"
10"/10"
W
14"/14"
14"/14"
12"/12"
10"/10"
10"/10"
12"/12"
W
W
8"ø
8"ø
10"/8"
10"/10"
12"/12"
10"/12"
W
14"/14"
14"/14"
12"/12"
10"/10"10"/10"
12"/12"
W
W
G
105
G
105
G
105
G
105
G
105
G
105
G
105
G
105
8"ø
8"ø
10"ø
10"ø
10"ø
10"ø
8"ø
8"ø
10"/12" Z
12"/12"
10"/10"10"/10"
12"/12"
14"/14"
16"/14"
B
140
Z
130
Z
130 Z
420
12"/10"
IU-1
2
VAV-8-17
B
200
10"/8"
8"/8"
Z
OU-1ON ROOF
1/4" RL,1/2" RG UP
8"ø
T
AREA A
AREA B
EX
IST
ING
BU
ILD
ING
NE
WA
DD
ITIO
N
W
8"ø
12"ø16"/14"
12"ø
12"ø12"ø
12"ø
12"ø12"ø
12"ø
12"ø
12"ø
12"ø
AD
T
CUH-2
12"ø
16"/14"
16"/14"
12
12
W
W
16"/14"
13
W
12
1
M-302
2
M-302
12"ø
8"/8"
NIGNELANOISS
E
FO
RP
RE
E
Lic. No. 023349
KEVIN D. ALLEN AI
NI
LTH OFV
IRG
COMMON
WEA
0' 1' 5' 10' 20'1/8" = 1'-0"
SHEET NO.
JO
B N
O.:
SC
ALE
:
DA
TE
:
AP
PR
OV
ED
:
CH
EC
KE
D:
DR
AW
N:
AS
NO
TE
D
RE
VIS
ION
S:
SHT. OF
GRAPHIC SCALE
THOMPSONConsulting Engineers
22 ENTERPRISE PARKWAY
TELEPHONE: (757) 599-4415PROJECT NUMBER: 17041
FAX: (757) 599-4113
HAMPTON, VA 23666
104
03-07-18
3/6
/2018 3
:11:0
1 P
M M-102
FLO
OR
PLA
N -
AR
EA
B -
ME
CH
AN
ICA
LA
DD
ITIO
N T
O H
ICK
OR
Y M
IDD
LE
SC
HO
OL
1997 H
AW
K B
LV
D, C
HE
SA
PE
AK
E V
A 23322
JA
R
RC
P
MW
T
03/0
7/1
8
17005
100%
FIN
AL S
UB
MIT
TA
L
85
1/8" = 1'-0"
FLOOR PLAN - AREA B - MECHANICALFLOOR PLAN - AREA B - MECHANICAL
KEY PLANN.T.S.
B
NEW WORK NOTES
NO. DESCRIPTION
2 MAINTAIN MANUFACTURER'S RECOMMENDED SERVICEAREA FOR ALL VAV TERMINAL UNITS. COORDINATECLEARANCE REQUIREMENTS WITH OTHER TRADES.REFER TO VAV BOX INSTALLATION DETAIL ON DRAWINGM-301.
5 DUCT MOUNTED SMOKE DETECTOR FURNISHED BYDIVISION 26, INSTALLED BY DIVISION 23. INTERLOCKSMOKE DETECTORS WITH FIRE ALARM SYSTEM INACCORDANCE WITH SECTION 606.4.1 OF VIRGINIAMECHANICAL CODE. REFER TO ELECTRICAL DRAWINGSFOR ADDITIONAL INFORMATION.
6 PROVIDE 1"x1" WIRE MESH WITH FLANGED FRAMEASSEMBLY.
12 PROVIDE DUCT LINER FOR INDICATED DUCTWORK.
13 REFER TO PLUMBING DRAWINGS FOR CONDENSATEPIPING TIE-IN.
RTU-8
EF-25
EF-24
EF-23
7
7
7
11
9
10 8
D 1 1/2"
"SMART BOX" PIPE PORTAL.REFER TO DRAWING M-301FOR DETAIL.
OU-1
1/4" RL,1/2" RG DN
CURB RAIL. REFERTO DRAWING A-501FOR DETAIL.
REFER TO PLUMBINGDRAWINGS FOR GASPIPING TO RTU-8.
NIGNELANOISS
E
FO
RP
RE
E
Lic. No. 023349
KEVIN D. ALLEN AI
NI
LTH OFV
IRG
COMMON
WEA
01/16" = 1'-0"
5' 10' 20' 40'
SHEET NO.
JO
B N
O.:
SC
ALE
:
DA
TE
:
AP
PR
OV
ED
:
CH
EC
KE
D:
DR
AW
N:
AS
NO
TE
D
RE
VIS
ION
S:
SHT. OF
GRAPHIC SCALE
THOMPSONConsulting Engineers
22 ENTERPRISE PARKWAY
TELEPHONE: (757) 599-4415PROJECT NUMBER: 17041
FAX: (757) 599-4113
HAMPTON, VA 23666
104
03-07-18
3/6
/2018 3
:11:0
7 P
M M-121
OV
ER
ALL R
OO
F P
LA
N -
ME
CH
AN
ICA
LA
DD
ITIO
N T
O H
ICK
OR
Y M
IDD
LE
SC
HO
OL
1997 H
AW
K B
LV
D, C
HE
SA
PE
AK
E V
A 23322
JA
R
RC
P
MW
T
03/0
7/1
8
17005
100%
FIN
AL S
UB
MIT
TA
L
86
1/16" = 1'-0"
OVERALL ROOF PLAN - MECHANICALOVERALL ROOF PLAN - MECHANICAL
NEW WORK NOTES
NO. DESCRIPTION
7 REFER TO ROOF EXHAUST FAN DETAIL ON DRAWINGM-301.
8 REFER TO ROOFTOP MOUNTING DETAIL ON DRAWINGM-301.
9 REFER TO PIPE SUPPORT DETAIL ON DRAWING M-301.
10 REFER TO CONDENSATE DRAIN TRAP DETAIL ONDRAWING M-301.
11 RUN CONDENSATE DRAIN TO GUTTER/ROOF DRAIN. DONOT DISCHARGE INTO OVERFLOW ROOF DRAIN.
"J"SLOPE
"L"
"H"
NOTES:
1.
2.
"H" = (1" FOR EACH 1" OF MAXIMUM NEGATIVE STATIC PRESSURE) + 1"
"J" = HALF OF "H"
3. "L" = "H" + "J" + PIPE DIAMETER + INSULATION
4. SIZE TRAP IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS.
DRAIN
CLEANOUT (TYP)
RUN AS INDICATED
COILDRAIN PAN
UNIONS (TYP)
MOTOR OUT OF AIRSTREAM
FACTORY WIRING FROM MOTOR TO DISCONNECT
BIRDSCREEN
FLASHING AND COUNTERFLASHING, REFER TO ARCHITECTURAL DRAWINGS FOR DETAILS
ROOF, REFER TO ARCHITECTURAL DRAWINGS
BACKDRAFT DAMPER
FACTORY INSTALLEDDISCONNECT SWITCH
ROOF CURB BYFAN MANUFACTURER
CONDUIT AND WIRINGINSIDE ROOF CURB
DUCT - SEEPLAN FOR SIZE
1-3/4" FOAM
2" ALUMINUM CHANNELMOUNTED ABOVE THESPRING ISOLATION
REFER TO ARCHITECTURALAND STRUCTURAL DRAWINGSFOR ROOF WORK REQUIRED
ROOFTOP UNIT
2" (2.8 LBS/CUBIC FEET)ACOUSTICAL BATTINSULATION
2 LAYERS (5/8") GYPSUM BOARD
MASON INDUSTRIESMODEL CMAB ISOLATIONRAIL SYSTEM
FLEXIBLE EPDM CONNECTION
WOOD NAILER
FACTORY FURNISHED ROOF CURB
2" WIDE DUCT HANGER
PREINSULATED FLEXIBLE DUCT
FLEXIBLE DUCT SECURED WITH MECHANICALBAND CLAMPS, SEE SPECIFICATIONS FORACCEPTABLE MATERIALS (TYP)
USE FOIL BACKED TAPE TOTRANSITION TO FLEXIBLE DUCTINSULATION (TYP ALL FLEXIBLE DUCTS)
INSULATION OVERLAPPINGDIFFUSER COLLAR
FINISHED CEILING SUPPORT
SUPPLY AIR DIFFUSER FACE
1 DIA.
MINIMUM 2 DIAMETERS OF STRAIGHT DUCT ORPROVIDE EQUALIZING GRID AT DIFFUSER
OFFSET NO GREATER THAN D/8WHEN FLEXIBLE RISER IS USED
RECTANGULAR TO ROUNDEXPANDED SIDE TAKE-OFF WITHDAMPER IN BRANCH. EXTERNALINSULATION ON SHEET METAL.
CEILING HANGERWIRE TO STRUCTURE
36"CLEARANCE
MEDIUM PRESSURE FLEXIBLEDUCTWORK (MAX. 3'-0" LONG)
STRAIGHT RUN DUCT CONNECTIONDIMENSION PER MANUFACTURER'SRECOMMENDATION
ELECTRIC REHEAT COIL
FLEXIBLE CONNECTOR
48" MIN, TO FIRST BRANCH
DIFFUSER
FLEXIBLE DUCT(MAX. 5'-0" LONG)
LOW VELOCITYDUCTWORK
MAINTAIN NOTEDCLEARANCES FROM ALLHORIZONTAL AND VERTICALOBSTRUCTIONS (TYP)
VAV BOX, HANG FROM BUILDINGSTRUCTURE WITH THREADEDRODS AND VIBRATION ISOLATORS
VD
SINGLE WALLRECTANGULAR DUCTWORK
MEDIUM PRESSUREDUCTWORK
ELECTRICAL ENCLOSURE
ELECTRICAL ENCLOSURES
36" CLEARANCE
FILTER
ISOLATOR
BOLT SLOTTED END OFFLAT PAR TO CURB,DO NOT OVER TIGHTEN.BAR MUST BE ALLOWEDTO MOVE WITH UNIT.
3/4" THICK NEOPRENEVIBRATION ISOLATIONPADS (TYPICAL)QUANTITY AS RECOMMENDEDBY PAD MANUFACTURER
STEEL STRUCTURE, REFER TOSTRUCTURAL DRAWINGS
BASE PLATE
BOLT FLAT BAR TO UNIT BASE RAIL
1/4" GALVANIZED FLAT STEEL BAR
1" LONG SLOT
AIR-COOLED CONDENSING UNIT
ATTACH CONDENSING UNIT TO RAILS
COUNTER FLASHING, REFER TOARCHITECTURAL DRAWINGS
FLASHING, REFER TOARCHITECTURAL DRAWINGS
ROOFING
PREFABRICATED GALVANIZEDSTEEL EQUIPMENT RAILSWELDED SEAMS
BASE FLASHING, REFER TOARCHITECTURAL DRAWINGS.
INSUL METAL CURB W/2" DECK FLANGE.
SECURE BASE FLASH TO TOP OF CURBAND CNTR FLASH W/ BOX HOUSING.
NUMBER AND SIZE OF PIPE SEALS PERMECH AND ELEC REQUIREMENTS.
LID & HOUSING FABRICATED FROM14 GA POWDER COATED ALUMINUM.
NOTE:PIPE CHASE HOUSING AS MANUFACTUREDBY ALTA PRODUCTS LLC. COORD W/MECHANICAL PLANS FOR LOCATIONS.
WATERPROOF GFI ELECTRIC OUTLET. (TYP.)
NIGNELANOISS
E
FO
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Lic. No. 023349
KEVIN D. ALLEN AI
NI
LTH OFV
IRG
COMMON
WEA
SHEET NO.
JO
B N
O.:
SC
ALE
:
DA
TE
:
AP
PR
OV
ED
:
CH
EC
KE
D:
DR
AW
N:
AS
NO
TE
D
RE
VIS
ION
S:
SHT. OF
THOMPSONConsulting Engineers
22 ENTERPRISE PARKWAY
TELEPHONE: (757) 599-4415PROJECT NUMBER: 17041
FAX: (757) 599-4113
HAMPTON, VA 23666
104
03-07-18
3/6
/2018 3
:11:0
7 P
M M-301
ME
CH
AN
ICA
L D
ET
AIL
SA
DD
ITIO
N T
O H
ICK
OR
Y M
IDD
LE
SC
HO
OL
1997 H
AW
K B
LV
D, C
HE
SA
PE
AK
E V
A 23322
JA
R
RC
P
MW
T
03/0
7/1
8
17005
100%
FIN
AL S
UB
MIT
TA
L
87
NOT TO SCALE
COIL CONDENSATE TRAP DETAILCOIL CONDENSATE TRAP DETAIL
NOT TO SCALE
ROOF EXHAUST FAN DETAILROOF EXHAUST FAN DETAILNOT TO SCALE
SECTION - ROOFTOP UNIT MOUNTING DETAIL SECTION - ROOFTOP UNIT MOUNTING DETAIL
NOT TO SCALE
TYPICAL CEILING DIFFUSER INSTALLATION DETAILTYPICAL CEILING DIFFUSER INSTALLATION DETAIL
NOT TO SCALE
TYPICAL SERIES FAN POWERED VAV BOX(WITH ELECTRIC REHEAT COIL) INSTALLATION DETAILTYPICAL SERIES FAN POWERED VAV BOX(WITH ELECTRIC REHEAT COIL) INSTALLATION DETAIL
(NEGATIVE PRESSURE)
NOTE: DIRECT DRIVE SIMILAR
NOT TO SCALE
AIR COOLED CONDENSING UNIT SUPPORT DETAILAIR COOLED CONDENSING UNIT SUPPORT DETAILNOT TO SCALE
"SMART BOX" PIPE PORTAL DETAIL"SMART BOX" PIPE PORTAL DETAIL
90° RADIUS ELBOWS OFFSETS
BRANCH TAKEOFFS 90° TEES
MORE USE VANED ELBOW.
X OR Y LESS THAN 12"
VD
VD
X OR W LESS THAN 12"
VDVD
VD
VD
VDVDVD
X
2
1
21
1
11
R
2
1
1
2
1
2
2
21
1
2
1R = W + W
R = (W + W )/2
2
1
20° MAX.
W
WW
W
WW
WY
R = X+Y
R = (X+Y)/2R = D
R
RR
Y
X
D
D
R
RR
RX
W
R = X+Y
R = (X+Y)/2
R = W
PREFERRED OFFSET
FULL RADIUS WHERE POSSIBLE
FOR D OF 12" OR
D LESS THAN 12"
NOTE: ABOVE APPLY TO SUPPLY AND RETURN
X Y
YX
20° MAX.
RETURN ONLY
20° MAX.
FROM RECTANGULAR MAIN
ROUND DUCT TAKEOFF
1.5 D
D
DC MORE THAN 12"
ACFM
CC
FM
BCFMY
A
C CFMCFM
x Y = X
XC
FM
CFM
CFM
CFMCFM
YC
x Y = X
C LESS THAN 12"
A
C
SD
AB
TRANSITIONS
BRANCHES TAPS 90° RADIUS ELBOWS
OFFSET
S2
CONCENTRIC TRANSITION
ECCENTRIC TRANSITION
SPECIFIED
L, O, AND TD MUST BE
S1, S2 = 0
Y- BRANCH
W4 = W3 = W1
S1, S3, S4 = 0
H1
L MUST BE SPECIFIED
LOLOSS TAP
L
W3
L MUST BE SPECIFIED
∅ IF ∅ = 45°
S3 = 0
∅ = 45°
L
H3
H3
S1, S2 > 2"
∅ = 1° TO 90°
RADIUS ELBOW
S1, S2 = 0
∅ = 1° TO 90°
R = W1
.50"∅
W3
S3
∅.50"
H1
S2
H1
S2
∅
W1
S1
R
S1 W1
W3
H1
S3
R = W1
R
S2
RADIUS OFFSET
ANGLED TAP
L = 2W1
S1, S2 = 0
H1
WITH TURNING VANES
MITERED ELBOW
S1
W1
O
∅
H2
H2
H1
O
S1
L
W1
S4
S1W1
R
W4
S1, S2 = 0TD = 0.5(W1-W2)
O = 0.5(W1-W2)
O
S2
S1
L TD
W2
TO
W1
W2
DUCTWORK CONSTRUCTION REQUIREMENTS
NOTES:
1. CONSTRUCT ALL DUCTWORK IN ACCORDANCE WITH "SMACNA" HVAC DUCTCONSTRUCTION STANDARDS.
2. ALL MEDIUM PRESSURE DUCTWORK SHALL BE LEAK TESTED (DALT) AS SPECIFIED.
SYSTEM PRESSURE CLASS SEAL CLASS
+1.5" WG
-1.0" WG
-1.0" WG
RETURN AIR
EXHAUST AIR
CLASS B
CLASS B
CLASS B
+2.5" WG CLASS ASUPPLY AIR
SUPPLY AIR
TRANSFER AIR N/A NOT REQUIRED
RTU-8
16"/14"
46"/22"
14"/16" 14"/16"
12"ø 12"ø
52"/30"
30"/50"8"ø8"ø
RTU-8
8"ø
16"/14" 22"/46"22"/46"
30"/52"
NIGNELANOISS
E
FO
RP
RE
E
Lic. No. 023349
KEVIN D. ALLEN AI
NI
LTH OFV
IRG
COMMON
WEA
SHEET NO.
JO
B N
O.:
SC
ALE
:
DA
TE
:
AP
PR
OV
ED
:
CH
EC
KE
D:
DR
AW
N:
AS
NO
TE
D
RE
VIS
ION
S:
SHT. OF
THOMPSONConsulting Engineers
22 ENTERPRISE PARKWAY
TELEPHONE: (757) 599-4415PROJECT NUMBER: 17041
FAX: (757) 599-4113
HAMPTON, VA 23666
104
03-07-18
3/6
/2018 3
:11:1
2 P
M M-302
ME
CH
AN
ICA
L D
ET
AIL
S A
ND
SE
CT
ION
SA
DD
ITIO
N T
O H
ICK
OR
Y M
IDD
LE
SC
HO
OL
1997 H
AW
K B
LV
D, C
HE
SA
PE
AK
E V
A 23322
JA
R
RC
P
MW
T
03/0
7/1
8
17005
100%
FIN
AL S
UB
MIT
TA
L
88
NOT TO SCALE
LOW VELOCITY DUCTWORK DETAILSLOW VELOCITY DUCTWORK DETAILSNOT TO SCALE
MEDIUM PRESSURE SINGLE-WALL RECTANGULAR DUCTWORK DETAILSMEDIUM PRESSURE SINGLE-WALL RECTANGULAR DUCTWORK DETAILS
1/4" = 1'-0"
SECTION 1SECTION 1 1/4" = 1'-0"
SECTION 2SECTION 21M-102
2M-102