HomeMy WebLinkAboutM001 - HVAC ABBR SYMBOLS & SPECIFICATIONSM001
HVAC ABBREVIATIONS, SYMBOLS, &
SPECIFICATIONS
ZIONSVILLE, IN
1417 N HARDING ST.
INDIANAPOLIS, IN 46202
(317) 634-8151 PHONE
(317) 634-8152 FAX
IDEAL HEATING, A/C
& REFRIGERATION, INC.
BACH TO ROCK ZIONSVILLE
10985 N MICHIGAN ROAD
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STATE OF
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11900828
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THERMOSTAT
EXHAUST GRILLE
SYMBOLS / ABBREVIATIONS
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ROOF TOP UNIT
W/D
W/D
SUPPLY AIR DIFFUSER
RETURN AIR REGISTER OR GRILLE
EXHAUST FAN
RTU
DIFFUSER TAG
ELECTRIC WALL HEATER EWH
SHEET METAL DUCT WIDTH BY DEPTH
LINED SHEET METAL DUCT FREE
AREA WIDTH BY DEPTH.
SQUARE SHEET METAL 90 PROVIDE WITH
DOUBLE THICKNESS TURNING VANES.
RADIUS SHEET METAL 90, R=1.5*D
MARK
CFM
AFF ABOVE FINISHED FLOOR
ACCU AIR COOLED CONDENSING UNIT
AWH ARCHITECTURAL WALL HEATER
BDD BACK DRAFT DAMPER
BTUH BRITISH THERMAL UNIT PER HOUR
CFM CUBIC FEET PER MINUTE
Ø ROUND DUCT
EC ELECTRICAL CONTRACTOR
ECH ELECTRIC CEILING HEATER
EF EXHAUST FAN
ESP EXTERNAL STATIC PRESSURE " W.C.
EUH ELECTRIC UNIT HEATER
EWH ELECTRIC WALL HEATER
F FURNACE
FC FAN COIL
FD FIRE DAMPER
FD/SD FIRE AND SMOKE DAMPER
FPM FEET PER MINUTE
FSK FOIL SCRIM VAPOR BARRIER
GC GENERAL CONTRACTOR
GUH GAS UNIT HEATER
HD HOOD
HP HEAT PUMP OR HORSE POWER
IR INFRA RED
MAN MANUAL
MBH 1000 BTUH
MC MECHANICAL CONTRACTOR
MCC MOTOR CONTROL CENTER
MFR MANUFACTURER
OA OUTSIDE AIR
PC PLUMBING CONTRACTOR
PSI POUNDS PER SQUARE INCH
PTAC PACKAGED TERMINAL AIR CONDITIONER
RA RETURN AIR
RTU ROOF TOP UNIT
SA SUPPLY AIR
TCC TEMPERATURE CONTROL CONTRACTOR
UON UNLESS OTHERWISE NOTED
WC WALL CAP
EF
MANUAL VOLUME DAMPER
LOCKING WITH SHAFT
T
MECHANICAL SPECIFICATIONS
GENERAL
1. PROJECT ENCOURAGES COMPETITIVE PRICING AND
ALLOWS FOR SUBSTITUTIONS OF EQUAL EQUIPMENT
AND MATERIALS AGAINST THE BASIS OF DESIGN.
2. PRIOR TO PROCUREMENT CONTRACTOR SHALL SUBMIT
TO ARCHITECT FULL SUBMITTALS FOR ALL ENERGY
CONSUMING OR PRODUCING ITEMS AND FOR ALL DUCT
ACCESSORIES, INSULATION, VAV BOXES, REGISTERS,
GRILLES, DIFFUSERS AND LOUVERS. SUBMITTALS
SHALL BE DELINEATED WITH TAGS INDICATED ON
PRINTS, CONTRACTORS NAME, PROJECT NAME.
CLEARLY INDICATE ALL MODEL NUMBERS AND ALL
ACCESSORIES AND OPTIONS BEING PROVIDED.
SUBMISSIONS SHALL BE IN PDF FORMAT. ALL
EQUIPMENT AND ITEMS SHALL BE PER DESIGN BASIS
OR APPROVED EQUAL. ENGINEER RESERVES THE RIGHT
TO REJECT ANY SUBSTITUTE ITEM.
3. CONTRACTOR SHALL BE RESPONSIBLE TO COORDINATE
ALL REQUIRED ELECTRICAL SUPPORT NEEDED FROM
THE ELECTRICAL CONTRACTOR. ENSURE ALL
SUBMITTALS FOR POWERED COMPONENTS AND
CONTROLS ARE PROVIDED AND FULLY COORDINATED
WITH ELECTRICAL CONTRACTORS.
4. CONTRACTOR SHALL BE RESPONSIBLE TO VISIT THE
SITE TO EXAMINE ALL CONDITIONS THAT MAY IN ANY
WAY AFFECT THE EXECUTION OF HIS WORK. HE SHALL
ALSO EXAMINE THE DRAWINGS AND SPECIFICATIONS
FOR OTHER BRANCHES OF WORK MAKING REFERENCE
TO THEM FOR DETAILS OF EXISTING BUILDING
CONDITIONS. NO EXTRAS WILL BE ALLOWED FOR
FAILURE TO INCLUDE ALL REQUIRED WORK IN THE BID.
CONTRACTOR SHALL GUARANTEE ALL LABOR AND
MATERIALS ENTERING INTO CONTRACT FOR A PERIOD
OF ONE (1) YEAR FROM DATE OF ACCEPTANCE.
5. THE DRAWINGS IN THIS SECTION ARE DIAGRAMMATIC
AND ARE NOT INTENDED TO DEFINE EXACT QUANTITIES,
LOCATIONS OR CODIFIED REQUIREMENTS. DRAWINGS
SHOW GENERAL INTENT OF SYSTEMS. M.C. SHALL
PROVIDE AND PAY FOR ALL REQUIRED PERMITS.
6. PRIOR TO WORK COORDINATE ALL OPENINGS AND
INSTALLATIONS OF DUCT, PIPING, EQUIPMENT,
CONTROLS, DIFFUSERS AND GRILLES WITH G.C. AND
OTHER TRADES. PROVIDE INSTALLATIONS WITH
PROPER MANUFACTURERS RECOMMENDED
CLEARANCES.
7. ALL WORK SHALL BE IN FULL ACCORDANCE WITH 2014
INDIANA MECHANICAL CODE (2012 INTERNATIONAL
MECHANICAL CODE), INDIANA ENERGY CODE (ASHRAE
90.1-2007) PERTINENT STATE, COUNTY, CITY CODES AND
ORDINANCES AND INDIANA AMENDMENTS.
EQUIPMENT
1. INSTALL ALL EQUIPMENT IN FULL ACCORDANCE WITH
MANUFACTURERS RECOMMENDATIONS AND
CLEARANCE REQUIREMENTS. PROVIDE ALL REQUIRED
MOUNTING OR HOUSEKEEPING PADS. G.C. SHALL
PROVIDE LEVEL GRADE FOR EXTERIOR MOUNTED
EQUIPMENT. M.C. SHALL PROVIDE ALL HOISTING AND
RIGGING NEEDED TO SET ALL HVAC EQUIPMENT.
2. ALL EQUIPMENT SHALL BE INSTALLED AS NEEDED TO
PREVENT OBJECTIONABLE NOISE AND/OR VIBRATION.
M.C. SHALL PROVIDE VIBRATION PADS, SPRING
ISOLATORS, ATTENUATORS AND ACCESSORIES AS
NEEDED.
DUCTWORK
1. CONCEALED ROUND DUCTWORK SHALL BE
CONSTRUCTED PER SMACNA LOW PRESSURE
STANDARDS 1" PRESSURE CLASS, 5' MAXIMUM JOINT
LENGTHS, SEAL CLASS B LONGITUDINAL SEAM SNAP
LOCK PIPE AND ADJUSTABLE FITTINGS.
2. EXPOSED ROUND DUCTWORK (OR WHERE SPIRAL IS
INDICATED ON THE PLANS) SHALL BE LINDAB OR EQUAL
GALVANIZED STEEL CONFORMING TO ASTM STANDARDS
A653 AND A924 GASKETED SPIRAL DUCTING WITH NO
SEALER. EDPM RUBBER GASKET SHALL BE U.L.
CLASSIFIED RATING OF FLAME SPREAD 0 AND SMOKE
DEVELOPED 5 IN ACCORDANCE WITH ASTM STANDARD
E84-91A SMACNA LEAKAGE CLASS 3. FITTINGS SHALL BE
MANUFACTURED USING ONE OR MORE OF THE
FOLLOWING CONSTRUCTION METHODS: OVERLAPPED
EDGES STITCH WELDED ALONG THE ENTIRE LENGTH OF
THE FITTING, STANDING SEAM GORE LOCKED AND
INTERNALLY SEALED, BUTTON PUNCHED AND
INTERNALLY SEALED. ELBOWS 3-INCH THROUGH
12-INCH DIAMETER WILL BE DIE STAMPED AND
CONTINUOUSLY STITCH WELDED.
2. PROVIDE SHEET METAL 90 FOR ALL TURNS GREATER
THAN 45 DEGREES. DO NOT USE FLEXIBLE DUCT FOR
CHANGES IN DIRECTION GREATER THAN 45 DEGREES.
3. PROVIDE MANUAL BALANCING DAMPERS FOR ALL
SUPPLY AIR RUNS. ROUND DAMPERS SHALL BE
SECURED ON BOTH SIDES OF DUCT AND SHALL
CONTAIN LOCKING HANDLE. SPIRAL DUCTS SHALL USE
SPIRAL STYLE DAMPERS WITH FULL WIDTH SHAFTS AND
NYLON BEARINGS AT EACH END. RECTANGULAR DUCTS
SHALL USE MULTI OR SINGLE BLADE WELDED FRAMED
DAMPERS WITH JACK SHAFTS AND LOCKING HANDLE.
INSTALL NYLON RIBBON ON ALL DAMPER HANDLES
LOCATED IN INSULATED DUCTING. DO NOT INSTALL
DAMPERS IN NON ACCESSIBLE LOCATIONS. PROVIDE
INTEGRAL DAMPERS WITH DIFFUSER IN NECK IF NO
ACCESSIBLE LOCATION IS POSSIBLE. ALL SUPPLY AIR
RUNS SHALL HAVE MEANS OF BALANCE. RETURN AND
EXHAUST AIR RUNS SHALL CONTAIN DAMPERS WHERE
SHOWN ON PLANS.
4. INSULATED FLEXIBLE DUCTING SHALL NOT EXCEED 25
FEET. ALL FLEX SHALL BE LISTED FLEXIBLE DUCT,
FLEXIBLE CONNECTORS ARE NOT ACCEPTABLE.
FLEXIBLE DUCT EQUAL TO FLEXIBLE DUCT CLASS 1 AIR
DUCT, DOUBLE LAMINATED POLYESTER FILM ON STEEL
WIRE REINFORCING, INSULATED WITH SCRIM
REINFORCED METALIZED POLYESTER OUTER FIRE
RETARDANT JACKET. R-4.2 FOR CONDITIONED SPACES
AND R-6.0 FOR ANY SPACES OUTSIDE BUILDING
THERMAL ENVELOPE. FLEX DUCTS SHALL NOT BE RUN
THROUGH WALLS OR FLOORS. PROVIDE HARD DUCTED
SLEEVES AS NEEDED.
5. RECTANGULAR DUCTWORK SHALL BE CONSTRUCTED IN
ACCORDANCE WITH SMACNA LOW PRESSURE DUCT
STANDARDS, +/- 1.0" W.C. FROM ASTM A 653/A 653M G-90
COATED GALVANIZED SHEET STEEL. SEAMS SHALL BE
PITTSBURGH CONSTRUCTION, NO BUTTON PUNCH OR
SNAP LOCK SEAMS ARE ACCEPTABLE. SEAL ALL
TRANSVERSE AND LONGITUDINAL SEAMS WITH WATER
BASED DUCT SEALER, SEAL CLASS B. GAUGE AND JOINT
CLASSIFICATIONS ACCEPTABLE ARE AS FOLLOWS, ALL
SECTION LENGTHS ARE 48" MAXIMUM, REFER TO
SMACNA RIGIDITY TABLES FOR GAUGES ON LONGER
SECTIONS IF REQUIRED:
< 12" 26 GAUGE, FLAT S AND DRIVE
12"-24" 24 GAUGE, FLAT S AND DRIVE
25"-34" 22 GAUGE, STANDING S AND FLAT DRIVE
34"-40" 22 GAUGE, STANDING S AND STANDING
DRIVE
>40" REFER TO SMACNA FOR STANDARDS.
6. DUCT HANGERS: COMPLY WITH SMACNA'S "HVAC DUCT
CONSTRUCTION STANDARDS - METAL AND FLEXIBLE,"
CHAPTER 5, "HANGERS AND SUPPORTS." FLEXIBLE
DUCTING SHALL BE SUPPORTED USING MINIMUM 2"
WIDE NYLON STRAP. ALL INTERVALS ARE PER SMACNA
DUCT ACCESSORIES
1. COORDINATE WITH ARCHITECTURAL DRAWINGS AND
PROVIDE FIRE AND FIRE AND SMOKE DAMPERS AT FIRE
RATED ASSEMBLY PENETRATIONS IN ACCORDANCE
WITH THE INTERNATIONAL BUILDING CODE AND WHERE
SHOWN ON PLANS.
2. PROVIDE FLASHING MATERIALS AND OR SLEEVES AS
REQUIRED FOR ALL DUCT PENETRATIONS OF NON
RATED ELEMENTS. EXPOSED PENETRATIONS SHALL BE
FLASHED WITH SHEET METAL TIGHT TO WALLS.
3. PROVIDE TAKE OFFS, PEAL AND STICK STYLE
ATTACHED TO RECTANGULAR DUCTING WITH SHEET
METAL SCREWS FOR ALL ROUND SUPPLY AIR TAKE
OFFS AND SADDLES.
DUCT INSULATION
1. ALL DUCT INSULATION MATERIALS SHALL HAVE A FLAME
SPREAD RATING OF 25 OR LESS (ON THE FLAME
SPREAD TEST SCALE) AND SMOKE DEVELOPMENT OF 50
OR LESS (ON THE SMOKE TEST SCALE) OR AS DEFINED
BY NFPA 255 STANDARD METHOD OF TESTING OF
SURFACE BURNING CHARACTERISTICS OF BUILDING
MATERIALS, LOCAL CODES AND LOCAL AUTHORITIES
HAVING JURISDICTION. DUCT WRAP SHALL BE
FIBERGLASS MATERIAL PER ASTM C-411,ASTM
C-1104,ASTM C665, ASTM C-1338, ASTM E-84, UL723,
NFPA 90A,CAN/ULC S102-1188,ASTM C1290, ASTM C553,
ASTM C1136.
2. INSULATION: INSTALL ALL INSULATION IN STRICT
ACCORDANCE WITH MANUFACTURERS INSTRUCTIONS
IN A TIGHT AND NEAT MANOR. NO SAGGING, FRAYED OR
TORN INSULATION WILL BE EXCEPTED. UNLESS
OTHERWISE NOTED ON PLANS DUCTWORK SHALL BE
INSULATED AS FOLLOWS:
SA/RA- 1-1/2" FIBERGLASS DUCT WRAP WITH FSK
FACING, 75 #/FT3 MINIMUM APPLIED R-3.5
INSTALLED IN STRICT ACCORDANCE WITH
MANUFACTURERS REQUIREMENTS.
IRE STOPPING.
1. FIRE STOPPING SYSTEMS SHALL BE IN FULL
COMPLIANCE WITH SECTIONS 714 AND 717 OF THE IBC
AND SECTION 607 OF THE IMC.
2. CONTRACTOR SHALL MAKE REFERENCE TO
ARCHITECTURAL PLANS AND PROVIDE ALL REQUIRED
FIRE STOPPING.
3. CONTRACTOR SHALL PROVIDE AHJ WITH FULL
SUBMITTAL INDICATING METHODS OF CONSTRUCTION
AND UL LISTINGS FOR EACH PENETRATION SYSTEM
USED.
4. DUCTS AND AIR TRANSFER OPENING PENETRATIONS OF
ASSEMBLIES REQUIRED TO BE PROTECTED AND IN NON
FIRE-RESISTANCE-RATED FLOORS SHALL COMPLY WITH
SECTIONS 717.
5. FIRE DAMPERS, SMOKE DAMPERS, COMBINATION
FIRE/SMOKE DAMPERS AND CEILING RADIATION
DAMPERS LOCATED WITHIN AIR DISTRIBUTION AND
SMOKE CONTROL SYSTEMS SHALL BE INSTALLED IN
ACCORDANCE WITH THE REQUIREMENTS OF SECTION
607 OF THE IMC. AND THE MANUFACTURER'S
INSTALLATION INSTRUCTIONS AND LISTING.
6. ACCESS DOORS SHALL BE PERMITTED IN CEILINGS OF
FIRE-RESISTANCE-RATED FLOOR/CEILING AND
ROOF/CEILING ASSEMBLIES PROVIDED SUCH DOORS
ARE TESTED IN ACCORDANCE WITH ASTM E 119 OR UL
263 AS HORIZONTAL ASSEMBLIES AND LABELED BY AN
APPROVED AGENCY FOR SUCH PURPOSE. ALL ACCESS
DOORS SHALL BE PROVIDED BY TRADE MAKING
PENETRATIONS.
CHECK TEST AND START UP REQUIREMENTS
1. ALL HVAC EQUIPMENT INSTALLATIONS SHALL BE
VERIFIED AND STARTED UP PER MANUFACTURERS
RECOMMENDATIONS. VERIFY ALL MODES OF
OPERATION. CONFIGURE ALL CONTROLS AND PROGRAM
OCCUPANCIES PER OWNER PROVIDED SCHEDULES.
2. PROVIDE AIR BALANCE BY CONTRACTOR. CONTRACTOR
SHALL BALANCE SUPPLY, RETURN, OUTSIDE, RELIEF
AND EXHAUST AIR SYSTEMS IN ACCORDANCE WITH
CURRENT SMACNA, NEEB OR AABC STANDARDS TO
DESIGN VALUES AND PROVIDE WRITTEN REPORT TO
ARCHITECT. MECHANICAL CONTRACTOR SHALL BE
RESPONSIBLE FOR PROVIDING ALL DEVICES, DRIVES,
SHEAVES, MOTOR CHANGES AND REWORK AS
REQUIRED TO MEET DESIGN REQUIREMENTS.
3. TEMPERATURE CONTROL WORK SHALL BE THE
RESPONSIBILITY OF THE HVAC CONTRACTOR. PROVIDE
ALL COMPONENTS INCLUDING T/S, T/S WIRE (PLENUM
RATED IN RA PLENUMS), SWITCHES, ACTUATORS ETC.
AS REQUIRED FOR A COMPLETE SYSTEM. PRIOR TO
ROUGH-IN COORDINATE FINAL LOCATION FOR ALL
CONTROLS WITH OWNERS REPRESENTATIVE.
4. CLOSE OUT: PROVIDE MANUFACTURERS OPERATION
AND MAINTENANCE MANUALS, AIR BALANCE REPORT
AND AS BUILT DRAWINGS. PROVIDE (1) TRAINING
SESSION TO OWNER SELECTED PERSONNEL AS
REQUESTED AND PROVIDE WARRANTY INFORMATION
FOR ALL MANUFACTURERS WARRANTED EQUIPMENT.
04/29/21