08-1177-022HVAC GENERAL NOTES
1. THE CONTRACTOR SHALL FURNISH ALL LABOR, MATERIALS AND EQUIPMENT
NECESSARY FOR THE INSTALLATION OF HVAC SYSTEM IN ACCORDANCE WITH THESE
DRAWINGS.
FLORIDA BUILDING CODE 2004
ANS /ASHRAE 15 -1994
NFPA PAMPHLETS 90A, 9OB -91 -2002
SMACNA -1995
ASH RAE -2001
OSHA -2005
2. THE WORK INCLUDES PROVIDING THE HVAC SYSTEMS, INCLUDING DUCTWORK,
DIFFUSERS AND GRILLES, INSULATION, CONTROLS AND EQUIPMENT NECESSARY
FOR A COMPLETE FUNCTIONING SYSTEM. HVAC SYSTEM INCLUDES BUT IS NOT
LIMITED TO THE FOLLOWING: SUPPLY, RETURN AND EXHAUST DUCTWORK SYSTEMS
WITH GRILLES, DIFFUSERS FILTERS AND DAMPERS.
3. TEMPERATURE CONTROL SYSTEM INCLUDING LOW VOLTAGE WIRING AND CONDUIT,
TRANSDUCERS, ACTUATORS, CONTROLLER.
4. WARRANTY: PROVIDE LABOR AND MATERIALS TO REPAIR OR REPLACE DEFECTIVE
PARTS AND MATERIALS AS REQUIRED FOR ONE YEAR AFTER SUBSTANTIAL
COMPLETION OR OWNER ACCEPTANCE OF THE COMPLETED PROJECT.
5. DRAWINGS FOR HVAC WORK ARE DIAGRAMMATIC, SHOWING THE GENERAL
LOCATION, TYPE, LAYOUT AND EQUIPMENT REQUIRED. THE DRAWINGS SHALL NOT
BE SCALED FOR EXACT MEASUREMENTS. REFER TO MANUFACTURER'S STANDARD
INSTALLATION DRAWINGS FOR EQUIPMENT CONNECTIONS AND INSTALLATION
REQUIREMENTS AS REQUIRED. FURNISH AND INSTALL ALL DUCTWORK,
CONNECTIONS, ACCESSORIES, OFFSETS AND MATERIALS NECESSARY TO
FACILITATE THE SYSTEM FUNCTIONING AS INDICATED BY THE DESIGN AND THE
EQUIPMENT INDICATED.
6. CONTRACTOR SHALL COORDINATE HIS WORK WITH ALL TRADES, ESPECIALLY WITH
THE LOCATION OF STRUCTURAL MEMBERS, PIPING, SPRINKLERS, CONDUITS AND
LIGHTING OUTLETS AND /OR FIXTURES.
7. ALL MATERIAL AND EQUIPMENTS SHALL BE NEW OF U.S. MANUFACTURER AND OF
GOOD QUALITY OF RESPECTIVE KIND AND GRADE, AND MUST BE FURNISHED SO AS
TO PREVENT ANY DELAY IN THE PROGRESS OF THE WORK. ALL WORK
THROUGHOUT SHALL BE PERFORMED IN A WORKMANLIKE MANNER BY SUFFICIENT
NUMBER OF SKILLED PERSONNEL.
8. FLEX DUCT: PROVIDE FACTORY ASSEMBLED CLASS 1 AIR DUCT (UL 181) WITH 1 -1/2"
THICK 1 PCF FIBERGLASS INSULATION R -6 AND REINFORCED OUTER PROTECTIVE
COVERNAPOR BARRIER. FLEX DUCT SHALL MEET NFPA 90A WITH FLAME SPREAD
UNDER 25, SMOKE DEVELOPED UNDER 50, AND SHALL BE RATED FOR 2" W.G.
PRESSURE AND 0 TO 250 DEGREES FAHRENHEIT. PROVIDE METAL ADJUSTABLE
CLAMPING DEVICES, SCREW OPERATED. USE TWIST -LOCK CONICAL TAP COLLARS AT
CONNECTIONS INTO SHEET METAL DUCTWORK. FLEXIBLE DUCTWORK MAYBE USED
FOR BRANCHES TO DIFFUSERS AS INDICATED ON DRAWINGS. DO NOT EXCEED
EIGHT (8) FEET IN LENGTH FOR ANY FLEX DUCT.
9. BALANCING DAMPERS: FABRICATED OF SAME MATERIAL AS DUCT, TWO METAL
GAUGES HEAVIER THAN DUCT. MOUNT ON 3/8" SQUARE ROD WITH SAW SLOT
POSITION INDICATOR. PIVOT AND BEARING, LOCKING POSITION REGULATOR.
10. ALL EQUIPMENT AND MATERIALS SHALL BE NEW, FREE FROM DEFECTS AND WITH
MANUFACTURER'S WARRANTY.
11. PROVIDE DOUBLE THICKNESS TURNING VANES AT ELBOWS AND EXTRACTOR
DAMPERS AT ALL DUCT BRANCHES AND TAKE -OFFS.
12. ALL EXHAUST DUCTWORK SHALL BE OF GALVANIZED SHEET METAL FABRICATED IN
ACCORDANCE WITH SMACNA STANDARD FOR PRESSURE CLASS ACCORDING TO
EACH SYSTEM. EXHAUST AIR DUCTWORK SHALL BE UNINSULATED.
13. FLEXIBLE CONNECTOR: WHERE REQUIRED PROVIDE U.L. LABELED NEOPRENE
COATED FIBERGLASS FABRIC DUCT CONNECTORS.
14. CONTRACTOR SHALL BE RESPONSIBLE TO TEST & BALANCE THE HVAC SYSTEMS AS
PER ASSOCIATED AIR BALANCE COUNCIL STANDARDS.
15. CONTRACTOR SHALL SUBMIT SHOP DRAWINGS TO ENGINEER FOR APPROVAL OF ALL
EQUIPMENT, MATERIALS AND LAYOUTS PRIOR TO INSTALLATION.
16. CONTRACTOR SHALL PRINT UP INSTRUCTIONS FOR OWNER'S OPERATION OF
SYSTEMS.
17. THE CONTRACTOR SHALL PAY ALL INSPECTION FEES. ALL COSTS OF PERMITS AND
ALL OTHER COSTS INCIDENTAL TO THE COMPLETION AND TESTING OF THIS WORK
UPON FINAL ACCEPTANCE A CERTIFICATE FROM THE LOCAL INSPECTION AUTHORITY
SHALL BE FURNISHED TO THE OWNER.
18. THE CONTRACTOR SHALL VISIT THE SITE AND FAMILIARIZE HIMSELF WITH THE
LOCATION OF EXISTING EQUIPMENT, DUCTWORK, PIPING, CONDUITS, ETC., AND /OR
ANY CONDITION THAT MAY AFFECT HIS WORK.
19. ALL AIR CONDITIONING DUCTWORK SHALL BE CODE GAGE GALVANIZED SHEET
METAL INSULATED WITH 2 INCH THICK AND 1.0 PCF GLASS FIBER FLEXIBLE BLANKET
INSULATION WITH ALUMINUM FOIL REINFORCED WITH GLASS FIBER FASING (FSKL)
JOHN - MANVILLE MICROLITE (R -6 INSTALLED) OR APPROVED EQUIVALENT, DUCT
SIZES SHOWN ARE NET FREE AREA. PROVIDE DOUBLE THICKNESS TURNING VANES
AND EXTRACTORS AT ALL ELBOWS AND TAKE -OFFS.
20. ALL CONCEALED SUPPLY AIR DUCTS SHALL BE EXTERNALLY INSULATED WITH DUCT
WRAP AS INDICATED IN GENERAL NOTES.
21. CONSTRUCTION FILTER: PROVIDE TWO SETS OF TEMPORARY 2 INCH THICK
FIBERGLASS THROW AWAY FILTERS DURING CONSTRUCTION AND START UP.
CONSTRUCTION FILTERS TO BE 35% EFFICIENT. CONSTRUCTION FILTERS PROVIDED
FOR ALL FILTER APPLICATION. REPLACE FILTER REGULARLY BUT NOT TO EXCEED 7
DAYS DURING CONSTRUCTION. FINAL FILTERS: SHALL CONSIST OF A SINGLE 2 INCH
THICK, DISPOSABLE, PLEATED PARTICULATE FILTER, ASHRAE 52.1 -92 RATED AT 40-
45% PERCENT ATMOSPHERIC DUST SPOT EFFICIENY (ADS), LOCATED IN FILTER BOX
OF EACH COIL.
22. RETURN AIR DUCTS LOCATED ABOVE UNCONDITIONED SPACES SHALL BE
INSULATED THE SAME AS THE SUPPLY AIR DUCTS.
23. DUCT FINISHES AND SEALERS SHALL HAVE A SMOKE DEVELOPED RATING OF LESS
THAN 50 AND A FLAME SPREAD OF 25 OR LESS.
24. DURING CONSTRUCTION, ALL SUPPLY AND RETURN DUCTWORK OPENINGS SHALL BE
FITTED WITH BLANKET TYPE, DISPOSABLE 1" THICK SYNTHETIC MEDIA IN ORDER TO
PREVENT CONSTRUCTION DEBRIS FROM ENTERING AND ACCUMULATING INSIDE THE
DUCT SURFACES. UPON COMPLETION, CONTRACTOR SHALL CLEAN ALL DUST AND
DEBRIS IN AREAS WHERE WORK WAS CONDUCTED.
AIR DISTRIBUTION LEGEND
DUCT: FIRST FIGURE IS SIDE
SHOWN
® �
DUCT MTD. SMOKE DETECTOR
W /REMOTE is TEST SWITCH
(PROVIDE ACCESS DOOR)
❑ AD
SD
FC
nn nn AA^^ nn
U.C. '
DUCT SECTION SUPPLY E
RETURN
FLEXIBLE DUCT, FLEXIBLE
CONNECTION (FC)
ALL ELBOW MUST BE PROVIDED
WITH TURNING VANES WHETHER
UNDERCUT DOOR
OR SHOWN ON DWGS. (SEE SPECS)
STRAP
t`T
-E:7
TYP. 450 TAP -OFF WITH
VOLUME DAMPER
THERMOSTAT
VOLUME DAMPER
MOTORIZED DAMPER ❑M
SPLITTE12 DAMPER
VARIABLE VOLUME BOX WITH
ELECTRIC HEATER
10 ga.
1" X 22 ga.
12 ga.
VAV
FIRE DAMPER
A.D. ❑ 1
EQUIPMENT OR DUCTS
(0.135)
HP
(0.135)
HR
(MUST USE ACCES DOOR)
IN.
EXISTING TO REMAIN
P/2 = 72"
1" X 18 ga.
3/8"
1" X20 ga.
POINT OF CONNECTION
1" X 22 ga.
1/4"
1" X 22 ga.
BETWEEN NEW AND EXISTING
P/2 = 96"
1" X 16 ga.
3/8"
WORK
3/8"
1" X 20 ga.
3/8"
NOTES
I. 45 °TAP -OFFS, SPLITTERS AT EACH TAP -OFF AND TEE, AND ACCESS DOORS SHALL BEE
USED WHERE REQUIRED, WHETHER OR NOT INDICATED IN THE DRAWINGS.
2. IN AREAS WHERE NON- REMOVABLE CIELINGS ARE USED, PROVIDE 45 TAP -OFFS OF THE
FIXED TYPE, WITH WIDTH PROPORTION TO BRANCH CFM.
3. REMOTE LIGHT AND TEST SWITCH NEXT TO AHU STARTER
TYPE OF DIFFUSER
A 1W----DIRECTION OF FLOW
6x6-- f
1 cJ 0 SIZE OF DIFFUSER
AMOUNT OF CFM
AIR OUTLET TAG
N.T.S.
I OUTSIDE AIR CALCULATIONS: I
OFF AREA 2,732 S.F.
I. NUMBER OF PEOPLE (FBMC 2004 TB- 403.3)
2,732 S.F. X 7PEOPLE - 19.1
1,000
2. MINIMUM OUTSIDE AIR REQUIRED.
20 PEOPLE X 20 C.F.M. = 400 C.F.M.
PERSON
3. TOTAL OUTSIDE AIR PROVIDED = 400 C.F.M.
4. TOTAL EXHAUST AIR: 80 C.F.M.
RECTANGULAR DUCT HANGERS MINIMUM SIZE
MAXIMUM HALF OF
PAIR AT 10 FT. SPACING
PAIR AT 8 FT. SPACING
PAIR AT 5 FT. SPACING
PAIR AT 4 FT. SPACING
DUCT PER IMEFER
STRAP
WIRFJROD
STRAP
WIRE/ROD
STRAP
WIRE/ROD
STRAP
WIRE/ROD
P/2 = 30"
1" X 22 ga.
10 ga.
1" X 22 ga.
10 ga.
1" X 22 ga.
12 ga.
1" X 22 ga.
12 ga.
FEET PER MINUTE
FPS
(0.135)
HP
(0.135)
HR
(0.106)
IN.
(0.106)
P/2 = 72"
1" X 18 ga.
3/8"
1" X20 ga.
1/4"
1" X 22 ga.
1/4"
1" X 22 ga.
1/4"
P/2 = 96"
1" X 16 ga.
3/8"
1" X 18 ga
3/8"
1" X 20 ga.
3/8"
1" X 22 ga.
1/4"
P/2 =120"
1 1/2" X 16 ga.
112"
1" X 16 ga.
3/8"
1" X 18 ga.
3/8"
1" X 20 ga.
1/4"
P/2 = 168"
1 1/2" X 16 ga.
112"
1 1/2" X 16 ga.
1/2"
1" X 16 ga.
3/8"
1" X 18 ga.
3/8"
P/2 = 192"
NOT GIVEN
1/2"
1 1/2" X 16 ga.
1/2"
1" X 16 ga.
3/8"
1 1/2" X 16 ga
3/8"
P/2 = 193" UP
SPECIAL ANALYSIS REQUIRED
WHEN STRAPS ARE LAP JOINED USE
21 ", 22"
16 ga.
D-20
SINGLE HANGER MAXIMUM
ALLOWABLE LOAD
THESE MINIMUM FASTENERS
C-26
C-26
C-26
STRAP
WIRE OR ROD (DA.)
1" X 18,20,22 ga. - TWO #10 OR ONE 1/4" BOLT
1" X 22 ga. - 260 lbs.
0.106" - 80 lbs.
1" X 16 ga. - TWO 1/4" DA. BOLT
1" X 20 ga. - 320 lbs.
0.135" - 120 Ibs.
1 1/2" X 16 ga. - TWO 3/8" DA. BOLT
1" X 18 ga. - 420 lbs.
0.162" - 160 lbs.
PLACE FASTENERS IN SERIES, NOT SIDE BY SIDE
1" X 16 ga. - 700 lbs.
114" - 260 lbs.
624
622
622
620
G•18
K18
1-16G
1-16G
1 1/2" X 16 ga. - 700 lbs.
318" - 680 lbs.
C-26
C•26
1/2" - 1250 lbs.
27 ", 28"
D-26
5/8" - 2000 lbs.
G26
29 ", 30"
3/4" - 3000 lbs.
NOTES:
1 DIMENSIONS OTHER THAN GAGES ARE IN INCHES.
2. TABLE ALLOWS FOR DUCT WEIGHT, 1 lblft2 INSULATION WEIGHT AND NORMAL REINFORCEMENT AND TRAPEZE WEIGHT,
BUT NO EXTERNAL LOADS.
3. STRAPS ARE GAL VAN IZ ED STEEL; OTHER MATER lA LS A RE UNCOATED STEEL.
4. ALLOWABLE LOADS FOR P/2 ASSUME THAT DUCTS ARE 16 GA. MAXIMUM, EXCEPT THAT WHEN MAXIMUM DUCT DIMENSION (W)
IS OVER 60" THAN P/2 MAXIMUM IS 1.25 in.
5.12, 10, 8 ga. WIRE IS STEEL OF BLACK ANNEALED, BRIGHT BASIC, OR GALVANIZED TYPE.
AIR CONDITIONING LEGEND
SYMBOL
DESCRIPTION
AHU
AIR HANDLER UNIT
BD
BACKD12AFT DAMPER
COND.
CONDENSATE
CONC.
CONCRETE
CFM
CUBIC FEET PER MINUTE
EF
EXHAUST FAN
EA
EACH
E/A
EXHAUST AIR
FD
FIRE DAMPER
FLA
FULL LOAD AMPS
FPM
FEET PER MINUTE
FPS
FEET PER SECOND
HP
HORSEPOWER
HR
HOUR
IN.
INCH
KW
KILOWATT
LBS.
POUNDS
MAX.
MAXIMUM
VD
MANUAL VOLUME DAMPER (OPPOSED BLADE TYPE)
NO.
NUMBER
0/A
OUTSIDE AIR
RPM.
REVOLUTIONS PER MINUTE
R/A
RETURN AIR
S/A
SUPPLY AIR
TEMP.
TEMPERATURE
T
THERMOSTAT
V
VELOCITY
VAV
VARIABLE VOLUME BOX
HVAC DESIGN REQUIRES:
RECTANGULAR DUCT REINFORCEMENT
NO
DUCT SMOKE DETECTOR
2" W.G. STATIC
POS. OR NEG.
NO
RENFORCEIAENT
REQUIRED
FIRE DAMPER(S)
REINFORCEMENT
X
CODE
FOR DUCT
GAGE
NO.
12'
REINFORCEMENT SPACING OPTIONS
FIRE RATED ROOF /FLOOR CEILING ASSEMBLY
DUCT DIM.
10'
1 8'
1 6'
1 5'
1 4'
1 3'
1 2 -1/2'
1 2'
10" dn.
26 ga.
460 mm
3.7 m
NOT REQUIRED
6.4 mm
25.4 X 0.85 mm
11 ", 12"
24 ga.
TWO 10 ga.
B-26
B-26
B-26
B-26
B-26
B-26
B-26
13 ", 14"
22 ga.
B-24
B-26
B-26
B-26
B-26
B-26
B-26
1511,161,
20 ga.
C-22
C-24
G24
C-26
C-26
C-26
B-26
B-26
17 ", 18"
20 ga.
C-22
G24
G24
C-26
G26
C-26
G26
B-26
19 ", 20"
18 ga.
C-20
C-22
G24
C-26
C-26
C-26
G26
G26
21 ", 22"
16 ga.
D-20
D-22
D-24
D-26
C-26
C-26
C-26
G26
23 ", 24"
16 ga.
620
622
D•24
D•26
D-26
C-26
G26
C-26
25 ", 26"
620
618
F18
G-16
NOT
DESIGNED
622
620
F=20
G-18
R16
1.16
624
622
622
620
G•18
K18
1-16G
1-16G
D-26
624
624
622
G-20
K20
H-18G
1.18G
J -16H
D-26
D•26
626
624
624
G-22
K20G
H-18G
1.18G
1.18G
J -18H
C-26
C•26
C-26
27 ", 28"
D-26
C-26
G26
29 ", 30"
D-26
D-26
C-26
31" - 36"
626
D-26
D-26
37" - 42"
624
626
626
43" - 48"
F-24
624
624
49" - 54"
G-24
624
F-24
55" - 60"
G-22
G-24
F-24
61" - 72"
H-22G
K22G
K24
73 " -84"
1-20G
1.22G
1-22G
85" - 96"
1-18H
1.20H
1-22H
97 "- 108"
K 18H
J -18H
118H
109" - 129'
1 K -181
J -181
HVAC DESIGN REQUIRES:
YES
NO
DUCT SMOKE DETECTOR
WIRE
X
FIRE DAMPER(S)
DIAMETER
X
SMOKE DAMPER(S)
X
FIRE RATED ENCLOSURE
12'
X
FIRE RATED ROOF /FLOOR CEILING ASSEMBLY
1 "x 22 ga
X
FIRE STOPPING
ONE 2.75 mm.
X
SMOKE CONTROL
11" - 18"
X
PROJ. No. 18056 EB0000924
LOUIS J. AGURRE A A- SSOGIA E§ 0.k:
CONSULTING ENGINEERS
2600 DOUGLAS RD. SUITE 605
CORAL GABLRS,- R -ORIDA - - - ; _ " ' _ 33 LA '
TELEPHONE:�305; 444 -16%9'
FAX: -(305) 4-48 -1 "OS _ _ '__„
E -MAIL ADDRESS: GRALMAIL@LJAAPA.COM
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MINIMUM HANGER SIZES FOR ROUND DUCTS
DUCT
MAXIMUM
WIRE
ROD
STRAP
DIAMETER
SPACING
DIAMETER
10 DN
12'
ONE 12 ga.
1/4"
1 "x 22 ga
250 mm DN
3.7 m
ONE 2.75 mm.
6 4 mm
25.4 X 0.85 mm
11" - 18"
12'
TWO 12 ga. OR ONE ga.
1/4"
1 "x 22 ga
460 mm
3.7 m
ONE 4.27 mm.
6.4 mm
25.4 X 0.85 mm
19"-24"
12'
TWO 10 ga.
114"
1 "x 22 ga
610 mm
3.7 m
TWO 3.51 mm.
6.4 mm
25.4 X 0.85 mm
25"-36"
12'
TWO 8 ga.
3/8"
1 "x 20 ga
900 mm
3.7 m
TWO 2.7 mm.
9.5 mm
25.4 X 1.00 mm
3711-5011
12'
TWO 3/8"
TWO 1" X 20 ga.
1270 mm
3.7 m
TWO 9.5 mm
TWO 25.4 X 1.00 mm
5111-6o..
12'
TWO 3/8"
TWO 1" X 18 ga.
1520 mm
3.7 m
TWO 9.5 mm
TWO 25.4 X 1.31 mm
61"-84"
12'
TWO 3/8"
TWO 1" X 16 ga.
2130 mm
3 7 m
TWO 9.5 mm
TWO 25.4 X 1.61 mm
NOTES:
1. STRAPS ARE GALVANIZED STEEL; RODS ARE UNCOATED OR GALVANIZED STEEL; WIRE IS BLACK ANNEALED,
BRIGHT BASIC, OR GALVANIZED STEEL. ALL AREALTERNATIVES.
2. TABLEALLOWS FOR CONVENTIONAL WALL THICKNESS, AND JOINT SYSTEMS FLUS ONE LB /SF INSULATION
WEIGHT. E HEAVIER DUCTS ARETO BE INSTALLED, ADJJST HANGER SIZES TO BEWTHIN THEIR LOAD LIMITS.
HANGER SPACING MAY BEADJUSTED BY SPECIAL ANALYSIS.
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CHECKED:
P.A.
DATE-
09 -25 -05
SCALE:
AS NOTED
SEAL
'., NIECHANI(fAD ""
;1rRNESTO, SA T-ANA'P.E.
...
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Sheet No.
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