11-86-008GENERAL HEATING, VENTILATION AND AIR CONDITIONING NOTES
1.
ALL WORK SHALL CONFORM WiTH ALL LOCAL STATE, FEDERAL
10. ALL DUCT SIZES ARE CLEAR INSIDE DIMENSIONS.
DUCT MOUNTED SMOKE DETECTOR
ORDINANCES AND BUILDING CODES GOVERNING THE INSTALLATION OF
11. THE HVAC CONTRACTOR SHALL WARRANT ALL WORKMANSHIP AND
and less than 48"
THE AIR CONDITIONING SYSTEM AND IN COMPLIANCE WiTH LATEST
MATERIALS FOR ONE YEAR FROM THE DATE OF FINAL WORK
AiR FLOW DIRECTION ( ARROWS DENOTE
ASHRAE AND SMACNA STANDARD.
ACCEPTANCE BY OWNER . ANY BREAKDOWN OCCURRING IN FIRST
2.
THE DRAWINGS ARE TO BE CONSIDERED DIAGRAMMATIC, NOT
YEAR SHALL BE REPAIRED AT NO EXPENSE TO THE OWNER. THE
FIRE RATED ROOF /FLOOR CEILING ASSEMBLY
NECESSARILY SHOWING IN DETAIL OR TO SCALE ALL OF THE MINOR
COMPRESSOR (S) SHALL HAVE A FIVE YEARS WARRANTY MINIMUM.
p
ITEMS. UNLESS SPECIFIC DIMENSIONS ARE SHOWN, THE STRUCTURAL,
12. MOUNT ALL EQUIPMENT FOR WIND LOADS AND MOUNTING HEIGHTS AS
SMOKE CONTROL
ARCHITECTURAL AND SiTE CONDITIONS SHALL GOVERN THE EXACT
REQUIRED BY LOCAL CODES.
J
LOCATIONS. CONTRACTOR SHALL FOLLOW DRAWINGS iN LAYING OUT
O.A.i.
OUTSIDE AIR INTAKE
WORK, CHECK WiTH OTHER TRADES TO VERIFY SPACES IN WHICH
13. MATERIALS:
CD
WORK WILL BE INSTALLED AND MAINTAIN MAXIMUM HEADROOM, AND
A. AIR CONDITIONING DUCTWORK SHALL BE CONSTRUCTED OF
CEILING GRILLE
SPACE CONDITIONS AT WHERE HEADROOM , OR SPACE CONDITIONS
CODE GAUGE GALVANIZED METAL DUCT WITH 1 -112" THICK R =40f
F.L.O
APPEAR INADEQUATE, NOTIFY THE ARCHITECT /ENGINEER.
WRAP AROUND STANDARD DUTY FIBERGLASS BOARD FLAMEPROOF
CONDENSING UNiT
AHU
REINFORCED ALUMINUM FACED COVER IN ACCORDANCE WITH THE
J.
AFTER EXAMINATION OF CONTRACT DOCUMENTS AND SITE OF
S.M.A.C.N.A. AS MANUFACTURED BY OWNERS — COMING. DUCTWORK
ROOF TOP UNiT
CONDITIONS. THE BIDDER iS REQUIRED, BEFORE SUBMITTING HiS
SHALL BE FABRICATED AND INSTALLED ACCORDING WiTH MANUFACTURER'S
PROPOSAL, TO FAMILIARIZE HIM OR HERSELF WiTH THE NATURE AND
INSTRUCTIONS INSTALL AiR VOLUME EXTRACTORS AT EACH DUCT
EXTENT OF THE WORK AND ANY LOCAL CONDITIONS THAT MAY IN ANY
TAP.
MANNER AFFECT THE WORK TO BE DONE AND EQUIPMENT, MATERIALS
AND LABOR REQUIRED THEREFORE, SINCE THE WORK INVOLVES NEW
B. FLEXIBLE DUCTWORK SHALL BE CLASS i AiR DUCT, U.L. 181 LISTED
BUILDINGS, SYSTEMS, SPECIAL CONSIDERATION SHALL BE GIVEN TO
AS FOR CONDITIONED SPACE R 4.0 AND BUILT iN ACCORDANCE WiTH
THE WORKING CONDITIONS. SLIGHT VARIATION OF ROUTING AND OR
THE FOLLOWING REQUIREMENTS.
CONSTRUCTIONS SHOULD BE ANTICIPATED BY THiS CONTRACTOR TO
AVOID CONFLICTS WITH OTHER TRADES. THESE VARIATIONS ARE
1. BENDS SHALL MAINTAIN A CENTERLINE RADIUS OF NOT LESS
EXPRESSLY INCLUDED AS PART OF THE WORK WHENEVER REQUIRED AT
THAN ONE DUCT DIAMETER.
NO ADDITIONAL COST TO THE OWNER. IGNORANCE ON THE PART OF
2. TERMINAL DEVICES SHALL BE SUPPORTED INDEPENDENTLY OF
THE CONTRACTOR WiLL IN NO WAY RELIEVE HIM OF THE OBLIGATIONS
THE FLEXIBLE DUCT.
AND RESPONSIBILITY ASSUMED UNDER THE CONTRACT. THE
3. DUCTS SHALL BE INSTALLED FULLY EXTENDED, THE TOTAL
CONTRACTOR SHALL REPORT IN WRITING TO THE ARCHITECT /ENGINEER.
EXTENDED LENGTH OF DUCT MATERIAL SHALL NOT EXCEED 5
BEFORE SUBMITTING A BID. IF ANY DISCREPANCIES ARE
PERCENT OF THE MINIMUM REQUIRED LENGTH FOR THAT RUN.
ENCOUNTERED, THEN WE WILL ISSUE INSTRUCTIONS HOW TO PROCEED.
D. TOILET EXHAUST DUCTWORK SHALL BE GALVANIZED SHEET 26
4.
INSTALL MATERIALS AND EQUIPMENT IN A NEAT AND WORKMANLIKE
GAUGE METAL DUCT INSTALLED IN ACCORDANCE WiTH THE LATEST
MANNER, THE OWNER RESERVES THE RIGHT TO REQUIRE OR REMOVAL
ASHRAE STANDARDS AND MANUFACTURERS RECOMMENDATIONS.
THE PLACEMENT OF ITEMS WHICH WERE NOT RIGHT.
E. ALL AiR DEVICES SHALL BE OF ALUMINUM CONSTRUCTION, TITUS,
5.
THIS CONTRACTOR SHALL OBTAIN AND PAY ALL INSURANCE , FEES,
METALAIRE OR AS APPROVED BY ENGINEER.
PERMITS, ROYALTIES, AND TAXES OF WHATEVER NATURE SHALL APPLY
TO THiS WORK. HE SHALL ALSO PAY ALL INSPECTIONS FEES AND
F. CONDENSATE DRAIN — SHALL BE INSULATED WiTH 314" THICK
SHALL KEEP THE OWNER HARMLESS FROM ANY DAMAGE AND EXPENSE
ARMAFLEX. WHEN EXPOSED iN CONDITIONED SPACE. iF THE PiPE-
ASSURING FROM ANY VIOLATION OF THE LAWS, RULES, OR
RUN THRU A RETURN PLENUM, THEN AN COMBUSTIBLE MATERIAL
ORDINANCES.
IS TO BE PROVIDED iN PLENUM SiDE.
6.
PROVIDE MEANS FURNISH AND INSTALL"
7.
SHOP DRAWINGS: THIS CONTRACTOR SHALL FURNISH THE ENGINEER
WiTH SHOP DRAWINGS OF EQUIPMENT AND DEVICES PRIOR TO
PURCHASE FOR APPROVAL AND ACCEPTANCE
8.
AT COMPLETION OF JOB THE HVAC CONTRACTOR SHALL GiVE THE
OWNER AN AS —BUILT SET OF REPRODUCIBLE SEPIAS SHOWING THE
EXACT INSTALLATION. iF ANY DEVIATIONS OCCUR FROM THiS, SET OF
CONTRACT DOCUMENTS.
9.
BETWEEN THE UNiTS OR SPACES THE HVAC CONTRACTOR SHALL TEST AND
BALANCE THE AIR QUANTITIES SHOWN ON THE PLANS, PROVIDE T & B
REPORTS IN ACCORDANCE WiTH AiR BALANCE COUNCIL STANDARDS,
SIGNED AND SEALED BY A FLORIDA REGISTERED ENGINEER.
SITE INVESTIGATION NOTE
EXAMINATION OF CONTRACT DOCUMENTS AND SiTE OF WORK. THE BIDDER IS REQUIRED,
BEFORE SUBMITTING HIS PROPOSAL, TO VISIT THE SiTE OF THE PROPOSED WORK AND
FAMILIARIZE HiM OR HERSELF WiTH THE NATURE AND EXTENT OF THE WORK AND
ANY LOCAL CONDITIONS THAT MAY IN ANY MANNER AFFECT THE WORK TO BE DONE
AND EQUIPMENT, MATERIALS AND LABOR REQUIRED THEREFORE. SINCE THE WORK INVOLVES
NEW AND /OR EXISTING BUILDINGS, SYSTEMS AND FACILITIES, SPECIAL CONSIDERATION SHALL
BE GIVEN TO EXAMINATION OF WORKING CONDITIONS, NEW FACILITIES AND ALL BUILDING
STRUCTURES FAMILIARIZE TO HIMSELF WiTH ALL EXISTING CONDITIONS. SLIGHT VARIATION
OF ROUTING AND OR CONSTRUCTIONS SHOULD BE ANTICIPATED BY THiS CONTRACTOR TO AVOID
CONFLICTS WiTH OTHER TRADES. THESE VARIATIONS ARE EXPRESSLY INCLUDED AS PART OF THE
WORK WHENEVER REQUIRED AT NO ADDITIONAL COST TO THE OWNER. IGNORANCE ON THE PART
OF THE CONTRACTOR WiLL IN NO WAY RELIEVE HiM OF THE OBLIGATIONS AND RESPONSIBILITY
ASSUMED UNDER THiS CONTRACT.
LEGEND
R 24X24 CD —(SEE SCHEDULE)
DUCT TO MATCH NECK SiZE TYP.
r y CEILING GRILLE SEE SIZE SCHEDULE
® DUCT TO MATCH NECK SiZE TYP.
RAG —( RETURN AIR GRILL))
VOLUME DAMPER
�} THERMOSTAT
NOTE.
OAi SHALL BE MiNIMUM 10 FEET
HORIZONTAL DISTANCE FROM ALL
VENTS.
NOTE:
ALL MATERIALS USE INTO THE AIR
PLENUM RETURN CLOSET & OPEN
CEILING SPACE SHALL BE
NONCOMBUSTIBLE MATERIAL.
LOW VELOCITY
SUPPLY AIR DUCT
(SEE PLAN VIEW)
METAL ROUND FITTING
QUADRANT OPERATOR
TO BE OUTSIDE INSULATION
PROVIDE INSULATION
GUARD WHERE NECESSARY
PROVIDE 1" FIBERGLASS
INSULATION SEALED TO
TO NECK & PERIMETER
OF DIFFUSER
PERFORATED
DIFFUSER —.
1314 i • 11,80i
SCOPE OF WORK:
INSULATED FLEX.
(8' -0" MAXIMUM)
(THERMOFIN
OR EQUAL)
SEAL JOINT W/
DUCT SEALER
& TAPE
THIS JOB CONSIST OF NEW DUCT WORK LAYOUTS FOR TWO
EXISTING A/C UNITS DUE TO AN INTERIOR REMODELING IN AN
EXISTING OFFICES BUILDING.
THE TWO 4 TON SPLIT SYSTEM ARE TO REMAIN. (SEE SCHEDULE).
NO ENERGY AND HEAT LOAD CALCULATIONS ARE REQUIRED AT
THIS TIME.
STANDARD 3" WIDE HANGERS
Hanget extension to be the sum
of the distances between the hanging
wires and the duct size, ID (Smacna
Duct size, Inches
DD
48: Wide or grater
DUCT MOUNTED SMOKE DETECTOR
Less tho 48" wide
Eft
and less than 48"
SEE F.A. RISER FOR SPECS.
deep
AiR FLOW DIRECTION ( ARROWS DENOTE
—�
1 WAY, 2 WAY, ETC., SEE PLANS
—�—""
RETURN OR EXHAUST, SEE PLANS.
than 16" deep
FIRE RATED ROOF /FLOOR CEILING ASSEMBLY
Less then 29" wide
8ft
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WALL MOUNTED SiDE REGISTER.
X
SMOKE CONTROL
LTJ
EXHAUST FAN
J
FIRE DAMPER
O.A.i.
OUTSIDE AIR INTAKE
S.R.
SIDE REGISTER
CD
CEILING DIFFUSER
CG
CEILING GRILLE
H.P.
HEAT PUMP UNiT
F.L.O
FULL LOUVERED DOOR
CU
CONDENSING UNiT
AHU
AiR HANDLER UNiT
UC
UNDERCUT DOOR FOR AiR RETURN
RTU
ROOF TOP UNiT
VD
MANUAL VOLUME DAMPER
NOTE.
OAi SHALL BE MiNIMUM 10 FEET
HORIZONTAL DISTANCE FROM ALL
VENTS.
NOTE:
ALL MATERIALS USE INTO THE AIR
PLENUM RETURN CLOSET & OPEN
CEILING SPACE SHALL BE
NONCOMBUSTIBLE MATERIAL.
LOW VELOCITY
SUPPLY AIR DUCT
(SEE PLAN VIEW)
METAL ROUND FITTING
QUADRANT OPERATOR
TO BE OUTSIDE INSULATION
PROVIDE INSULATION
GUARD WHERE NECESSARY
PROVIDE 1" FIBERGLASS
INSULATION SEALED TO
TO NECK & PERIMETER
OF DIFFUSER
PERFORATED
DIFFUSER —.
1314 i • 11,80i
SCOPE OF WORK:
INSULATED FLEX.
(8' -0" MAXIMUM)
(THERMOFIN
OR EQUAL)
SEAL JOINT W/
DUCT SEALER
& TAPE
THIS JOB CONSIST OF NEW DUCT WORK LAYOUTS FOR TWO
EXISTING A/C UNITS DUE TO AN INTERIOR REMODELING IN AN
EXISTING OFFICES BUILDING.
THE TWO 4 TON SPLIT SYSTEM ARE TO REMAIN. (SEE SCHEDULE).
NO ENERGY AND HEAT LOAD CALCULATIONS ARE REQUIRED AT
THIS TIME.
STANDARD 3" WIDE HANGERS
Hanget extension to be the sum
of the distances between the hanging
wires and the duct size, ID (Smacna
Duct size, Inches
Maximum Hange
Spacing
48: Wide or grater
4 ft
Less tho 48" wide
Eft
and less than 48"
deep
SMOKE DAMPERS
Width between 28"
Eft
& 48" and greater
than 16" deep
FIRE RATED ROOF /FLOOR CEILING ASSEMBLY
Less then 29" wide
8ft
and 16 depth or less
CHANNEL SECTION
if Total Minimum Minimum
Extension is Channel Channel
not greater than: Gauge Profile
6" 24 3" X 1.5"
18" 22 3" X 2"
30" 18 3" X 2"
USE OF 2" WiDE
22 gauge 2x 1.5" hangers may be substituted
for 3" hangers for ducts with widths not over 48"
and depths not over 24" provided that not more
than one joint occurs between hangers and the
maximum hanger spacing 4ft. Exception: When
duct perimeter is 80" or less and does not
require reinforcement two joints are permitted
314" DEEP x 118",
OWERED ACTU TEn N.
FLE
FLEXIBLE DUCT SHALL BE
SUPPORTED AT INTERVALS
NO GREATER THAN 5 FEET.
P
DUCT HANG DETAIL
x26GA
AT
s
2 -112" SQUARE WAS
12" MAX. O.C., MIN.
10 X 1 -1 /4"
METAL SCREWS.
FIBROUS GLASS
DUCT.
GFM
CLOSURE.
SCREW. POP RIVET
OR SPOT WELD TO
EQUIPMENT FLANGE.
A. H. U PLENUM
C O NNE C TIO N.
N.T_S_
HVAC DESIGN REQUIRE:
YES
NO
DUCT SMOKE DETECTOR
X
FIRE DAMPER(S)
X
SMOKE DAMPERS
X
FIRE RATE ENCLOSURE
X
FIRE RATED ROOF /FLOOR CEILING ASSEMBLY
X
FIRE STOPPING
X
SMOKE CONTROL
X
CFM OAi
MECHAN %.#P%L PLAN
SCALE: 1/4"= V-0'
Revisions
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Job No. M10 -04
Date 01 Z24/11
Scale SHOWN
Y64
Sea] °,.,a� �O'l
AA- 26001560
Sheet No.
MA