07-780R-016HVAC GENERAL NOTES
1. HVAC DRAWINGS ARE DIAGRAMMATICAL IN NATURE AND REPRESENT
11. REFER TO DETAIL SHEETS AND SPECIFICATIONS IFOR ADDITIONAL
EXISTING CONDITIONS BASED ON DRAWINGS AND SITE OBSERVATIONS.
INSTALLATION REQUIREMENTS.
CONTRACTOR IS RESPONSIBLE FOR FIELD VERIFICATION OF ALL ACTUAL
CONDITIONS INCLUDING, DUCTWORK LOCATIONS AND SIZES.
12. CONTRACTOR SHALL SUBMIT A COMPLETE LIST OF EQUIPMENT AND
® �-- SUPPLY DUCTWORK
ITEMS TO BE REMOVED TO THE OWNER. ALL ITEMS THAT THE OWNER
2. DUE TO DRAWINGS BEING DIAGRAMMATICAL IN NATURE RISERS AND
WISHES TO RETAIN SHALL BE TURNED OVER TO OWNER AND THE
DROPS ARE NOT SHOWN - CONTRACTOR SHALL INCLUDE THESE IN THE
REMAINDER SHALL BE REMOVED FROM THE SITE AND DISPOSED OF IN A
BID - WHERE POSSIBLE ALL RISERS AND DROPS SHALL BE CONSTRUCTED
PROPER MANNER BY CONTRACTOR.
USING 45 DEGREE OR LONG RADIUS ELBOWS.
12
20
13. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO PERFORM ALL WORK
3. PROVIDE AND INSTALL NECESSARY DUCTWORK TRANSITIONS
NECESSARY TO PREPARE THE STRUCTURE FOR 'THE INSTALLATION
AS REQUIRED FOR EQUIPMENT CONNECTIONS.
AND /OR DEMOLITION WORK OF THE MECHANICAL SYSTEMS. ALL HOLES,
CONSULT MANUFACTURER'S DATA FOR ACTUAL DUCTWORK AND PIPING
OPENINGS AND ANY DAMAGED MATERIALS OR SUURFACES SHALL BE
CONNECTIONS SIZES, INCLUDING, BUT NOT LIMITED TO THOSE SHOWN.
REPAIRED AND FINISHED TO MATCH EXISTING.
4. PROVIDE MANUAL VOLUME DAMPERS AT ALL LOW PRESSURE BRANCH
14. ALL DEMOLITION WORK SHALL COMPLY WITH NFPA 241 AND THE
DUCTS TO INDIVIDUAL DIFFUSERS AND GRILLES AND TO ALL LOW
REQUIREMENTS OF THE OWNER.
PRESSURE BRANCH DUCTS TO REHEAT COILS. PROVIDE DAMPERS AS
240
CLOSE AS POSSIBLE TO BRANCH CONNECTION TO MAIN. SEE DIFFUSER
15. PROVIDE TEMPORARY FILTERS ON ALL RETURN NUR GRILLES AND
AND GRILLE SCHEDULE AND SPECIFICATIONS FOR ADDITIONAL
TRANSFER OPENINGS IN THE WORK AREA.
INFORMATION.
18. EXISTING SYSTEMS SHOWN ON THE DRAWINGS AIRE BASED ON
S. SCHEDULE NEW CONSTRUCTION WORK WITH THE OWNER WELL IN
AVAILABLE RECORD DRAWINGS. THIS INFORMATIiON IS ONLY PARTIALLY
ADVANCE CONSTRUCTION WORK SHALL BE PERFORMED OR REPLACED
VERIFIED. THE CONTRACTOR IS RESPONSIBLE TO FIELD VERIFY AND
TO THE SATISFACTION OF THE OWNER AT NO ADDITIONAL COST TO
INVESTIGATE ALL CONDITIONS THAT AFFECTS THIE WORK PRIOR TO
THE OWNER.
SUBMITTING THE BID.
8. ALL FINISHES AND SURFACES TO REMAIN WHICH ARE DAMAGED DURING
17. INSTALL MU CONTROL PANELS TO PROVIDE FOR 3' -0" MIN. CLEARANCE IN
CONSTRUCTION WORK SHALL BE REPAIRED OR REPLACED TO THE
FRONT OF PANS
SATISFACTION OF THE OWNER AT NO ADDITIONAL COST TO THE OWNER.
18. UNLESS OTHERWISE NOTED ON PLANS, LOW RETIURN AIR GRILLES AND
7. DO NOT BLOCK TUBE PULL OR SERVICE SPACE ON EQUIPMENT WITH
LOW EXHAUST GRILLES SHALL BE V TO a AFF' TO BOTTOM OF GRILLE
PIPING, DUCTWORK, ETC.. (FLANGED OR REMOVABLE SECTIONS MAY BE
19, ALL DIFFUSERS IN SAME SPACE SHALL HAVE ME SAME FULL FACE SIZE
USED IN SOME INSTANCES WHERE TIGHT CLEARANCES EXISTS).
USING LARGEST SIZE REQUIRED FROM DIFFUSER AND GRILLE SCHEDULE.
8. NO PIPING, DUCTWORK, OR CONDUIT SHALL BE INSTALLED UNTIL IT IS
20. PROVIDE MANUFACTURERS CERTIFIED DATA (NOVA) OR CALCULATIONS ON
COORDINATED PITH ALL OTHER TRADES AFFECTED. PROVIDE ALL
ALL EXTERIOR MOUNTED EQUIPMENT DURING SUIBMITTAL PHASE, WHICH
OFFSETS REQUIRED TO AVOID INTERFERENCE WITH OTHER TRADES;
INDICATES THAT THE EQUIPMENT CAN WITHSTANID A WIND LOAD
EXISTING CONDITIONS AND WITH THE STRUCTURE, INCLUDING, BUT NOT
REQUIRED BY THE FSBC.
LIMITED TO, THOSE SHOWN.
9. IF NO SIZE IS SHOWN FOR DUCT SERVING DIFFUSER OR GRILLES, USE
SIZE SHOWN ON DIFFUSER AND GRILLE SCHEDULE.
10. DUCTWORK ROUTED PARALLEL TO A WALL, RATED OR CORRIDOR SHALL
BE INSTALLED WITH MINIMUM 8" CLEARANCE TO ALLOW FOR INSPECTION
OF WALL PENETRATIONS. CONTRACTOR SHALL PROVIDE tY CLEARANCE
WHERE POSSIBLE, COORDINATE
HVAC
LEGEND
NO. OF
DUCTWORK
MINIMUM
REQUIRED
SUPPLIED
OUTSIDE AIR
EXCESS
OUTSIDE AIR
® �-- SUPPLY DUCTWORK
18
�--
CONICAL TEE COIN.
® �-- DUC RTWORK EXHAUST
(CFM)
�--
BELLMOUTH COIN.
AIRPWANTI�TY� &
12
20
�-
�" THROAT TAP
BRANCH CONNECTION
ao
RETURN GRILLE do AIR
120 R. �-- QUANTITY
SMOKE CONTROL
X
Z 160 E. �--- � �tt GRILLE do AIR
�--
R
RADIUS ELBOW R/Nf =1.5
( THERMOSTAT (ADJUST.)
240
330
�
�
�IINIG VANES IN
CONSTRUCTION. SEAL THE END OF DUCTWORK WITH PLASTIC SHEETING AND DUCT TAPE. PROTECT ALL
DUCTWORK STORED ON -SITE PRIOR TO FABRICATION AND INSTALLATION IN A SIMILAR FASHION.
S. ALL EQUIPMENT SHALL BE SUPPLIED AND INSTALLED WITH PROVISIONS FOR IN -PLACE CLEANING AND
MAINTAINENCE TASKS IN ACCORDANCE WITH THE REQUIREMENTS OF ASHRAE STANDARD 62 -89R.
C. CHANGE IN SPACE USE, CONTAMINANTS, OR OPERATION MAY REQUIRE A RE- EVALUATION OF THE DESIGN
.
*RATES ARE BASED ON 2004 FLORIDA MECHANICAL CODE, SECTION 403.3. VENTILATION RATES, TABLE
403.3 FOR HOSPITALS, NURSING AND CONVALESCENT HOMES AND FOR OFFICES:
OFFICES: 20CFM /PERSON
D. VENTILATION REQUIREMENTS FOR THIS AREA BASED ON INTERMITANT OCCUPANCY OF LESS THAN 3 HOUR
DIVIDED FLOW
ARCHITECT TO CONFIRM OCCUPANCY TYPE.
FITTINGS
VENTILATION 62- -2001 CONFORMANCE
UNIT N0.
NO. OF
OUTSIDE AIR
RATE
MINIMUM
REQUIRED
SUPPLIED
OUTSIDE AIR
EXCESS
OUTSIDE AIR
REMARKS
18
PEOPLE
(CFM /PERSON)
OUTSIDE AIR
(CFM)
(CFM)
(CFM)
48
AHU -1
12
20
240
330
ao
X
SMOKE CONTROL
X
TOTAL
12
20
240
330
90
A. ALL DUCTWORK SHALL BE KEPT SEALED TO PREVENT CONTAMINATION BY DUST OR OTHER DEBRIS DURING
CONSTRUCTION. SEAL THE END OF DUCTWORK WITH PLASTIC SHEETING AND DUCT TAPE. PROTECT ALL
DUCTWORK STORED ON -SITE PRIOR TO FABRICATION AND INSTALLATION IN A SIMILAR FASHION.
S. ALL EQUIPMENT SHALL BE SUPPLIED AND INSTALLED WITH PROVISIONS FOR IN -PLACE CLEANING AND
MAINTAINENCE TASKS IN ACCORDANCE WITH THE REQUIREMENTS OF ASHRAE STANDARD 62 -89R.
C. CHANGE IN SPACE USE, CONTAMINANTS, OR OPERATION MAY REQUIRE A RE- EVALUATION OF THE DESIGN
AND IMPLEMENTATION OF NEEDED CHANGES.
*RATES ARE BASED ON 2004 FLORIDA MECHANICAL CODE, SECTION 403.3. VENTILATION RATES, TABLE
403.3 FOR HOSPITALS, NURSING AND CONVALESCENT HOMES AND FOR OFFICES:
OFFICES: 20CFM /PERSON
D. VENTILATION REQUIREMENTS FOR THIS AREA BASED ON INTERMITANT OCCUPANCY OF LESS THAN 3 HOUR
WHICH PERMITS 5091 DIVERSITY TO BE USED FOR THE OUTSIDE AIR VENTILATION REQUIREMENT. OWNER /
ARCHITECT TO CONFIRM OCCUPANCY TYPE.
N
DUCT AND PIPE INSULATIO1
DUCTWORK
1.INTERIOR SUPPLY AND RETURN AIR DUCTWORK IN CEILING SPACE
(WITH ROOF INSULATION >R12): 2" THICK, R -8.0 MIN, FIBERGLASS.
2.OUTDOORS DUCTWORK: 2" THICK, R -8 MIN., FIBERGLASS.
LEARANCE BELOW RAISED ROO
OUNTED MECHANICAL EQUIPME
WIDTH OF MECHANICAL UNIT
MINIMUM CLEARANCE ABOVE ROOF SURFACE
INCHES
INCHES
424
14
24< 36
18
36,448
24
48< 60
30
60
48
HVAC DESIGN REQUIRES
YES
NO
DUCT SMOKE DETECTOR(S)
X
FIRE DAMPER(S)
X
SMOKE DAMPER(S)
X
FIRE RATED ENCLOSURE
X
FIRE RATED ROOF /FLOOR CEILING ASSEMBLY
X
FIRE STOPPING (SEE ARCH.)
X
SMOKE CONTROL
X
T
TEST &BALANCE NOTES
1. FINAL CONSTRUCTION:
UPON COMPLETION OF THE HVAC RENOVATION WORK, THE SAME CONTRACTOR SHALL
REBALANCE THE NEW AND EXISTING EQUIPMENT AND DUCTS TO PROVIDE 'NDICATED
AIR QUANTITIES TO THE RENOVATED SPACE. ANY ADDITION OF DAMPERS,
ADJUSTMENTS, (FAN SPEED, CHANGE OUT OF PULLEYS, ETC.) REQUIRED FOR T` 1S SNAL
BE INCLUDED IN THIS CONTRACTORS PROPOSAL
2. FINAL REPORT
SUBMIT FINAL TEST AND BALANCE REPORT TO ENGINEER FOR REVIEW AND ACCEPTANCE
ONE WEEK PRIOR TO FINAL AHCA INSPECTION FOR EACH PHASE.
HAZARDOUS MATERIAL NOTES
1. PORTIONS OF THE EXISTING SYSTEM MAY CONTAIN HAZARDOUS MATERIAL (ASBESTOS).
COORDINATE WITH THE OWNER TO DETERMINE THE LOCATION AND TYPES OF
HAZARDOUS MATERIALS.
2. THE OWNER IS RESPONSIBLE FOR THE IDENTIFICATION, REMOVAL AND DISPOSAL OF
HAZARDOUS MATERIAL AND IS NOT TO BE INCLUDED AS PART OF THE WORK OF THIS
CONTRACT UNLESS SPECIFICALLY IDENTIFIED AS SUCH.
3.IF ANY MATERIAL APPEARS TO CONTAIN HAZARDOUS MATERIAL AND WAS NOT PREVIOUSLY
IDENTIFIED. THE CONTRACTOR IS TO INFORM THE OWNER TO RECEIVE INSTRUCTIONS ON HOW
TO PROCEED.
AHU OPERATION DURING CONSTRUCTION
THE USE OF NEW OR EXISTING AIR HANDLING UNITS DURING CONSTRUCTION IS PROHIBITED UNLESS
APPROVED BY THE OWNER AND THE PROCEDURES OUTLINED IN THIS PARAGRAPH ARE FOLLOWED RIGIDLY.
1. THE CONTRACTOR SHALL PROTECT THE INTERIOR OF ALL DUCTWORK AND AIR HANDLING UNITS FROM THE
ACCUMULATION OF DIRT AND DUST USUALLY ASSOCIATED WITH THE FINISHING STAGES OF THE
CONSTRUCTION WORK.
2. DUCTWORK STORED ON SITE AWAITING INSTALLATION SHALL BE CAREFULLY EXAMINED AND THOROUGHLY
CLEANED BEFORE PLACEMENT IN ITS FINAL LOCATION. TTiE ENDS OF DUCTWORK SHALL BE CLOSED DURIN
CONSTRUCTION.
3. THE AIR HANDLING UNITS WILL BE ALLOWED TO OPERATE DURING THE FINISHING STAGES OF THE GENERA
WORK PROVIDED THE PRE - FILTERS ARE IN PLACE AND THE ENDS OF ALL RETURN AIR INLETS ARE
COVERED WITH ROLL-UP FILTER MATERIAL
4. WHEN THE SPACE IS TURNED OVER TO THE OWNER, THE CONTRACTOR SHALL REMOVE ALL FILTERS USED
DURING CONSTRUCTION AND REPLACE THEM WITH NEW FILTERS.
5. USE OF NEW AHU'S DURING CONSTRUCTION IS NOT ALLOWED.
OUTSIDE AIR CALCULATION:
FBC 2004
1. OFFICE - 1711 SO. FT x7 PEOPLE X 20 CFM =- 240 CFM O.A.
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-Mail: MDT Arch a�comcast.net
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