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36.ROUND AND RECTANGULAR DUCTWORK ARE INTERCHANGEABLE IF CROSS <br />SECTION AREAS ARE EQUIVALENT. CONTRACTOR IS TO VERIFY THE EXACT <br />CEILING SPACE AND INTERCHANGE THE DUCT SIZE TO FIT THE CEILING <br />SPACE WITHOUT ADDITIONAL FEE CHARGE. <br />37.ALL FACTORY-FABRICATED DUCT SYSTEMS SHALL COMPLY WITH UL 181 <br />FOR DUCTS AND CLOSURE SYSTEMS, INCLUDING COLLARS, CONNECTIONS, <br />AND SPLICES, AND BE LABELED AS COMPLYING WITH UL 181. <br />38.INSTALL VOLUME CONTROL DAMPERS AT EACH SUPPLY DIFFUSER TO <br />AFFORD COMPLETE CONTROL OF THE AIR FLOW IN THE VARIOUS DUCT <br />SYSTEMS. INSTALL SPLITTER DAMPER AT DUCT TAKEOFFS AND DAMPER AS <br />REQUIRED. <br />39.AUTOMATIC FIRE DAMPER REQUIREMENTS ARE AS FOLLOWS: <br />a.PROVIDE AUTOMATIC FIRE DAMPERS AT ALL PENETRATIONS OF <br />FIRE-RATED CEILINGS AND WALLS THROUGHOUT. CONTRACTOR <br />SHALL COORDINATE WITH FIRE-RATED CEILING AREAS AND WALLS <br />AS INDICATED ON ARCHITECTURAL DRAWINGS. THIS NOTE SHALL <br />TAKE PRECEDENCE OVER ANY OMISSIONS ON THE DRAWINGS. SEE <br />SPECIFICATIONS. <br />b.LOCATION OF FIRE-RATED CEILINGS AND WALLS ARE AS INDICATED <br />ON THE ARCHITECTURAL DRAWINGS. <br />40.COORDINATE THE LOCATION OF ALL CEILING DIFFUSERS, REGISTERS AND <br />GRILLES WITH THE ARCHITECTURAL REFLECTED CEILING PLAN, ELECTRICAL <br />LIGHTING LAYOUT AND ARCHITECTURAL ROOM ELEVATIONS. <br />41.ALL CEILING DIFFUSERS ARE 4-WAY UNLESS OTHERWISE NOTED. <br />42.PROVIDE BACK-DRAFT DAMPER FOR ALL EXHAUST AIR DUCT UNLESS <br />OTHERWISE NOTED PER CODE. <br />43.EXHAUST TERMINATION SHALL BE MINIMUM 10'-0" AWAY OR 3'-0" ABOVE <br />FROM ANY FRESH AIR INTAKE, OPERABLE WINDOWS, DOORS AND 10'-0" <br />MINIMUM ABOVE GRADE. <br />44.PROVIDE ALL FRESH AIR INTAKES AND EXHAUST OUTLETS WITH HOOD, 1/2" <br />GALVANIZED MESH SCREENS AND OUTSIDE AIR BACK-DRAFT DAMPERS. <br />45.DUCTS USED FOR DOMESTIC KITCHEN RANGE VENTILATION SHALL BE OF <br />METAL, OR OTHER APPROVED MATERIAL, AND SHALL HAVE SMOOTH <br />INTERIOR SURFACES. DUCTS FOR DOMESTIC RANGE HOODS SHALL ONLY <br />SERVE COOKING APPLIANCES. <br />46.TOTAL ACCESS SHALL BE PROVIDED FOR ALL INSPECTIONS. [CBC 110.1] <br />47.VENTILATION FANS SHALL BE LOCATED AND PROPERLY INSTALLED PER THE <br />CMC, INCLUDING ALL NECESSARY FIRE RATING PROTECTION. <br />48.EXHAUST DUCTING SHALL BE OF THE PROPER TYPE AND PROPERLY <br />INSTALLED AND SECURED PER THE CMC, INCLUDING ALL NECESSARY FIRE <br />RATING PROTECTION. <br />1.ALL WORK SHALL CONFORM TO MECHANICAL CODE, BUILDING CODE AND <br />ALL OTHER APPLICABLE CITY CODES AND REGULATIONS. <br />2.THE CONTRACTOR SHALL PAY FOR ALL PERMITS AND FEES. <br />3.CONTROL LOW VOLTAGE WIRING BY MECHANICAL CONTRACTOR AND <br />CONDUIT BY ELECTRICAL CONTRACTOR. <br />4.CONDENSATE DRAIN PIPING AND FINAL CONNECTION TO UNIT BY PLUMBING <br />CONTRACTOR. <br />5.G.C. TO VERIFY CURRENT ELECTRICAL POWER CONDITION IN FIELD BEFORE <br />PURCHASING ANY MECHANICAL EQUIPMENT. <br />6.CONTRACTOR TO VERIFY MECHANICAL HEATING EQUIPMENT TO BE <br />CONFORM TO LOCAL EPA STANDARD BEFORE PURCHASING EQUIPMENT. <br />7.ACCURATE AS-BUILT DRAWINGS SHALL BE MADE DURING CONSTRUCTION <br />AND SUBMITTED FOR APPROVAL UPON COMPLETION OF INSTALLATION. <br />8.THE CONTRACTOR SHALL COORDINATE WITH GENERAL CONTRACTOR FOR <br />SIZE AND LOCATION OF DUCTWORK ROOF OPENINGS AND WITH ELECTRICAL <br />CONTRACTOR FOR ELECTRICAL REQUIREMENTS OF ALL MECHANICAL <br />EQUIPMENT AND ARCHITECTURAL DRAWINGS FOR AIR DISTRIBUTION <br />LOCATION. <br />9.THE CONTRACTOR SHALL SUBMIT BID BASED ON THE DRAWINGS AND <br />ALTERNATE FOR COST SAVING. THESE DRAWINGS ARE FOR BIDDING <br />PURPOSES. <br />10.THE CONTRACTOR SHALL FURNISH ALL MATERIALS, LABOR, EQUIPMENT, <br />TRANSPORTATION AND SERVICES NECESSARY FOR COMPLETION OF THE <br />WORK. ALL MATERIALS AND WORK SHALL COMPLY WITH APPLICABLE <br />CODES AND GOVERNING REGULATIONS AND MEET THE APPROVAL OF THE <br />LOCAL JURISDICTION. <br />11.TAKE ALL PRECAUTIONS NECESSARY TO PROTECT THE MATERIALS BEFORE, <br />DURING AND AFTER INSTALLATION. IN THE EVENT OF DAMAGE, <br />IMMEDIATELY REPAIR ALL DAMAGED AND DEFECTIVE WORK TO THE <br />APPROVAL OF THE ARCHITECT AT NO ADDITIONAL COST TO THE OWNER. <br />12.THESE DRAWINGS ARE DIAGRAMMATIC. THE CONTRACTOR SHALL BE <br />RESPONSIBLE FOR COORDINATING HIS WORK WITH ALL OTHER TRADES. <br />THIS INCLUDES COORDINATING THE LOCATION AND SIZE OF ALL OPENINGS, <br />LOCATIONS OF EQUIPMENT PADS AND CHANGES OF ELEVATIONS OF <br />DUCTWORK, PIPING AND OTHER EQUIPMENT. <br />13.ANY MATERIAL, ARTICLE OR PIECE OF EQUIPMENT OTHER THAN THAT <br />INDICATED SHALL NOT BE USED UNLESS APPROVED IN WRITING BY THE <br />ENGINEER AND ANY CHANGES IN MECHANICAL, ELECTRICAL AND/OR OTHER <br />SYSTEMS REQUIRED DUE TO SUCH SUBSTITUTION SHALL BE THE <br />RESPONSIBILITY OF THE HVAC CONTRACTOR; AND AT NO ADDITIONAL COST <br />TO THE OWNER. <br />14.THE CONTRACTOR SHALL VISIT SITE PRIOR TO BIDDING TO VERIFY <br />LOCATIONS AND SIZES OF ALL EXISTING EQUIPMENT AND INFORM THE <br />ARCHITECT AND ENGINEER OF ANY DISCREPANCIES. <br />15.CONTRACTOR TO VERIFY ADEQUATE PLUMBING CONNECTIONS ARE <br />READILY AVAILABLE FOR EVAPORATIVE COOLERS AND GAS HEATING <br />SYSTEMS BEFORE PURCHASING EQUIPMENT. <br />16.COORDINATE ENTIRE INSTALLATION OF THE H.V.A.C. SYSTEM WITH THE <br />WORK OF ALL OTHER TRADES PRIOR TO ANY FABRICATION OR <br />INSTALLATION. PROVIDE ALL FITTINGS, OFFSETS, AND TRANSITIONS AS <br />REQUIRED FOR A COMPLETE WORKABLE INSTALLATION. <br />17.CONTRACTOR SHALL SUBMIT A COMPLETE BALANCE REPORT FOR <br />APPROVAL. SYSTEMS AIR BALANCE SHALL BE PERFORMED BY AN <br />INDEPENDENT AIR BALANCE CONSULTANT. A CERTIFIED AABC OR NEBB. <br />THE REPORT SHALL INCLUDE THE FOLLOWING: <br />a.AIR QUANTITIES AT EACH REGISTER. <br />b.STATIC PRESSURE READINGS AT INLET AND DISCHARGE OF EACH <br />AIR HANDLING SYSTEM AND AT INLET OF EACH EXHAUST AIR <br />SYSTEM. <br />c.COOLING AND HEATING SUPPLY AND RETURN AIR TEMPERATURES <br />AT EACH AIR CONDITIONING UNIT. <br />18.WARRANTIES; 1-YEAR WARRANTY FOR EQUIPMENT, 5-YEAR COMPRESSORS. <br />REFER TO CONSTRUCTION CONTRACT FOR OTHER APPLICABLE <br />WARRANTIES. <br />19.EQUIPMENT SPECIFICATION AND INTERLOCK DIAGRAM SHALL BE <br />SUBMITTED FOR APPROVAL PRIOR TO PURCHASE OF EQUIPMENT FOR <br />INSTALLATION. <br />20.ALL EQUIPMENT SHALL BE INSTALLED IN STRICT ACCORDANCE WITH THE <br />EQUIPMENT MANUFACTURER'S RECOMMENDATIONS. PROVIDE ALL <br />FITTINGS, TRANSITIONS, DAMPERS, VALVES AND OTHER DEVICES REQUIRED <br />FOR A COMPLETE WORKABLE INSTALLATION. <br />21.ALL HVAC AND FAN UNITS SHOWN ON THE PLAN IS RECOMMENDED. FINAL <br />MAKE AND MODEL OF THE UNITS WILL BE DETERMINED BY THE <br />OWNER/MECHANICAL CONTRACTOR WITH AN APPROVAL FROM THE <br />MECHANICAL ENGINEER. <br />22.THE HVAC SYSTEM AND COMPONENTS SHALL BE TESTED, ADJUSTED AND <br />BALANCED IN ACCORDANCE WITH AABC'S NATIONAL STANDARDS FOR <br />TOTAL SYSTEM BALANCE (6TH EDITION). <br />23.PROVIDE FILTER FOR AIR CONDITIONING AND/OR AIR SIDE UNITS AS <br />REQUIRED PER ASHRAE AND MECHANICAL CODE. <br />24.THERMOSTAT SHALL BE 24 VOLT, ONE STAGE HEATING AND ONE OR TWO <br />STAGE COOLING WITH MATCHING SUBBASE AND TAMPER PROOF COVER. <br />25.CONDENSATE PIPING SHALL BE SIZED IN ACCORDANCE WITH MECHANICAL <br />CODE. <br />26.CONDENSATE WASTE SHALL CONNECT INDIRECTLY TO THE DRAINAGE <br />SYSTEM THROUGH AN AIR GAP OR AIR BREAK TO PROPERLY TRAPPED AND <br />VENTED RECEPTORS, DRY WELLS, OR THE TAILPIECE OF A PLUMBING <br />FIXTURE. <br />27.WHERE CONDENSATE WASTE FROM AIR CONDITIONING COILS DISCHARGES <br />BY DIRECT CONNECTION TO A LAVATORY TAILPIECE OR TO AN APPROVED <br />ACCESSIBLE INLET ON A BATHTUB OVERFLOW, THE CONNECTION SHALL BE <br />LOCATED IN AN AREA CONTROLLED BY THE SAME PERSON CONTROLLING <br />THE AIR-CONDITIONED SPACE. <br />28.THE REFRIGERATION EQUIPMENT REFRIGERANT SERVICE PORTS LOCATED <br />OUTDOORS SHALL BE FITTED WITH LOCKING TYPE TAMPER RESISTANT <br />CAPS OR SHALL BE PROTECTED FROM UNAUTHORIZED ACCESS BY A MEANS <br />ACCEPTABLE TO THE ENFORCING AGENCY. <br />29.THE HEATING AND COOLING DUCT SYSTEM IS SIZED IN ACCORDANCE WITH <br />ASHRAE. <br />30.G.C. TO VERIFY SUFFICIENCY OF DUCT SPACE BEFORE PURCHASING ANY <br />MECHANICAL EQUIPMENT. <br />31.DUCTWORK SHALL BE INSULATED OR LINED AS NOTED ON DRAWINGS. ALL <br />DUCTWORK EXPOSED ON ROOF SHALL BE INTERNALLY LINED UNLESS <br />OTHERWISE INDICATED OR SPECIFIED. ALL DUCT SIZES ARE SHEET METAL <br />SIZES. ALL DUCT JOINTS SHALL BE SEALED PER SPECIFICATIONS. <br />32.CONNECT MAIN DUCT TO AIR CONDITIONING UNIT WITH WEATHERPROOF <br />FLEXIBLE CONNECTION. SUN SHIELD OVER ENTIRE FLEXIBLE CONNECTIONS <br />REQUIRED IF FLEXIBLE CONNECTION IS EXPOSED TO WEATHER. <br />33.ALL LINED DUCT DIMENSIONS ARE NET CLEAR DIMENSION AFTER LINING <br />HAS BEEN INSTALLED. <br />34.ALL DUCTWORK SIZE SHOWN ON PLAN ARE INTERIOR DIAMETER. <br />CONTRACTOR SHALL ADD INSULATION THICKNESS INTO CONSIDERATION <br />BEFORE INSTALLATION. <br />35.DUCTS SHALL BE SUPPORTED WITH 1" WIDE 16-GAUGE HANGER STRAPS <br />AND SHALL BE SPACED AT NO MORE THAN 7'-0" ON CENTERS AND SHALL BE <br />SECURED TO STRUCTURAL MEMBER. EXPOSED DUCTWORK ON ROOF <br />SHALL BE SUPPORTED BY GALVANIZED STEEL ANGLE & SHALL BE PER <br />LOCAL CODE. <br />HVAC GENERAL NOTES <br />PIPE INSULATION THICKNESS <br />4. <br />5. <br />6. <br />1. <br />7. <br />2. <br />3. <br />CONCEALED SPACES, CIRCULATION AIR <br />INSULATION OF DUCTS <br />FLUID <br />TEMP. <br />RANGE <br />(°F) <br />CONDUCTIVITY <br />RANGE <br />(BTU-"/HR PER <br />SQFT/°F) <br />INSULATION <br />MEAN <br />RATING <br />TEMP. (°F) <br />NOMINAL PIPE DIAMETER (") <br />INSULATION THICKNESS REQUIRED (") <br /><1 1 TO <br /><1.5 <br />1.5 TO <br /><4 <br />4 TO <8 8 AND <br />LARGER <br />251-350 <br />350< <br />201-250 <br />141-200 <br />105-140 <br />40-60 <br /><40 <br />SPACE COOLING SYSTEMS (CHILLED WATER, REFRIGERANT AND BRINE) <br />SPACE HEATING, HOT WATER SYSTEMS AND SERVICE WATER HEATING SYSTEMS <br />0.32-0.34 <br />0.29-0.31 <br />0.27-0.30 <br />0.25-0.29 <br />0.22-0.28 <br />0.21-0.27 <br />0.20-0.26 <br />250 <br />200 <br />150 <br />125 <br />100 <br />75 <br />50 <br />4.5 <br />3.0 <br />2.5 <br />1.5 <br />1.0 <br />0.75 <br />1.0 <br />5.0 <br />4.0 <br />2.5 <br />1.5 <br />1.5 <br /> 0.75 <br />1.5 <br />5.0 <br />4.5 <br />2.5 <br />2.0 <br />1.5 <br />1 <br />1.5 <br />5.0 <br />4.5 <br />3.0 <br />2.0 <br />1.5 <br />1 <br />1.5 <br />5.0 <br />4.5 <br />3.0 <br />2.0 <br />1.5 <br />1.0 <br />1.5 <br />1.0 <br />A MAINTENANCE LABEL SHALL BE AFFIXED TO MECHANICAL EQUIPMENT AND <br />A MAINTENANCE MANUAL SHALL BE PROVIDED TO THE OWNER PER <br />STANDARDS. <br />EXCEPT AS ALLOWED, THESE CONTROLS SHALL BE ADJUSTABLE TO <br />PROVIDE A DEAD BAND OF 5 DEGREES F BETWEEN FULL HEATING AND FULL <br />COOLING. CONTROLS SHALL HAVE THE CAPABILITY OF TERMINATING ALL <br />HEATING AT A TEMPERATURE NO MORE THAN 70 DEGREES F AND OF <br />TERMINATING ALL COOLING AT A TEMPERATURE NOT LESS THAN 78 <br />DEGREES F. <br />EACH HVAC SYSTEM SHALL BE PROVIDED WITH AT LEAST ONE AUTOMATIC <br />TEMPERATURE CONTROL DEVICE FOR THE REGULATION OF TEMPERATURE <br />THESE AUTOMATIC TEMPERATURE CONTROL DEVICES SHALL BE CAPABLE <br />OF BEING SET TO MAINTAIN SPACE TEMPERATURE SET POINTS FROM 55 <br />DEGREES F TO 85 DEGREES F, SHALL BE CAPABLE OF OPERATING THE <br />SYSTEM HEATING AND/OR COOLING IN SEQUENCE. <br />EXCEPTIONS: THE FOLLOWING PIPING DOES NOT HAVE TO BE THERMALLY <br />INSULATED: (1) FACTORY-INSTALLED PIPING WITHIN SPACE CONDITIONING <br />EQUIPMENT; (2) PIPING THAT CONVEYS FLUIDS THAT HAVE A DESIGN <br />OPERATING TEMPERATURE RANGE BETWEEN 55 DEGREES AND 105 <br />DEGREES FAHRENHEIT; (3) GAS PIPING; (4) COLD DOMESTIC WATER PIPING; <br />(5) DRAINS, VENTS, AND WASTE PIPING. <br />INSPECTION TO BE MADE AND DUCTWORK APPROVED BEFORE COVERING <br />WITH INSULATION. <br />TRANSVERSE SUPPLY DUCTS, TAPED OR SEALED WITH MASTIC EXCEPT FOR <br />DUCTS EXPOSED TO CONDITIONED SPACE, WHERE DUCT STATIC PRESSURE <br />EXCEEDS 3/4" WATER, LONGTITUDINAL JOINTS, TAPED OR SEALED WITH <br />MASTIC. <br />SEALING <br />INSPECTION <br />PIPE INSULATION <br />SPACE-CONDITIONING AND SERVICE WATER-HEATING SYSTEM SHALL BE <br />INSULATED IN ACCORDANCE WITH THE FOLLOWING TABLE: <br />INSULATED WIRES, PLASTIC TUBING OR PIPING, PIPE INSULATION, <br />CONDENSATE PAN INSULATION, WOOD, PVC, ABS AND OTHER PLASTICS) TO <br />BE IN CONCEALED SPACES USED TO CONVEY CIRCULATING AIR SUPPLY. <br />WHEN COMBUSTIBLE MATERIAL IS TO BE LOCATED IN THE ABOVE SPACES, IT <br />SHALL BE APPROVED FOR SUCH INSULATION. <br />TEMPERATURE CONTROLS <br />PORTIONS OF SUPPLY-AIR AND RETURN-AIR DUCTS CONVEYING HEATED OR <br />COOLED AIR LOCATED IN ONE OR MORE OF THE FOLLOWING SPACES SHALL <br />BE INSULATED TO A MINIMUM INSTALLED LEVEL OF R-8: <br />1.OUTDOORS; OR <br />2.IN A SPACE BETWEEN THE ROOF AND AN INSULATED CEILING; OR <br />3.IN A SPACE DIRECTLY UNDER A ROOF WITH FIXED VENTS OR <br />OPENINGS TO THE OUTSIDE OR UNCONDITIONED SPACES; OR <br />4.IN AN UNCONDITIONED CRAWL SPACE; OR <br />5.IN OTHER UNCONDITIONED SPACES. <br />PORTIONS OF SUPPLY-AIR DUCTS THAT ARE NOT IN ONE OF THESE SPACES, <br />INCLUDING DUCTS BURIED IN CONCRETE SLAB, SHALL BE INSULATED TO A <br />MINIMUM INSTALLED LEVEL OF R-4.2 OR BE ENCLOSED IN DIRECTLY <br />CONDITIONED SPACE. <br />1.WHOLE BUILDING VENTILATION/EXHAUST; EXCEED CFM REQUIRED PER ASHRAE STANDARD <br />62.2 EQUATION 4.1(A), WHOLE HOUSE/BUILDING EXHAUST FAN MINIMUM VENTILATION IS AS <br />FOLLOWS: <br />UNIT #1: 27.39 CFM = (413 SF X 0.03) + (7.5 X (1+1 BEDROOMS)) <br />UNIT #2: 27.39 CFM = (413 SF X 0.03) + (7.5 X (1+1 BEDROOMS)) <br />UNIT #3: 32.94 CFM = (598 SF X 0.03) + (7.5 X (1+1 BEDROOMS)) <br />UNIT #4: 32.94 CFM = (598 SF X 0.03) + (7.5 X (1+1 BEDROOMS)) <br />UNIT #5: 30.75 CFM = (525 SF X 0.03) + (7.5 X (1+1 BEDROOMS)) <br />UNIT #6: 44.46 CFM = (732 SF X 0.03) + (7.5 X (2+1 BEDROOMS)) <br />UNIT #7: 32.94 CFM = (598 SF X 0.03) + (7.5 X (1+1 BEDROOMS)) <br />UNIT #8: 32.94 CFM = (598 SF X 0.03) + (7.5 X (1+1 BEDROOMS)) <br />UNIT #9: 44.37 CFM = (729 SF X 0.03) + (7.5 X (2+1 BEDROOMS)) <br />UNIT #10: 44.37 CFM = (729 SF X 0.03) + (7.5 X (2+1 BEDROOMS)) <br />2.WHOLE HOUSE EXHAUST FANS FOR EACH UNIT 80 CFM. <br />3.WHOLE BUILDING VENTILATION EXHAUST FAN SHALL OPERATE CONTINUOUSLY WITH <br />MAXIMUM SOUND OF 1 SONE. THESE EXHAUST FANS CAN BE CONTROLLED BY A STANDARD <br />ON/OFF SWITCHES BUT THE SWITCHES MUST LABELED TO INFORM THE OCCUPANT THE <br />WHOLE BUILDING VENTILATION EXHAUST FANS MUST OPERATE CONTINUOUSLY WHEN THE <br />HOUSE IS IN USE. <br />WHOLE HOUSE VENTILATION CALCULATION HVAC SPECIFICATIONS <br />SCOPE OF WORK <br />SHEET INDEX <br />MECHANICAL NOTES <br />MECHANICAL SCHEDULES <br />MECHANICAL PLAN - GROUND FLOOR <br />MECHANICAL PLAN - 2ND FLOOR <br />MECHANICAL PLAN - ROOF <br />HVAC CONDENSATE - GROUND FLOOR <br />HVAC CONDENSATE - 2ND FLOOR <br />TITLE 24 <br />TITLE 24 <br />M000 <br />M001 <br />M100 <br />M101 <br />M102 <br />M200 <br />M201 <br />TM00 <br />TM01 <br />·2022 CMC <br />·2022 BUILDING ENERGY EFFICIENCY STANDARDS <br />MECHANICAL CODE <br />·EXISTING MULTI-FAMILY DWELLING RESTORATION / REMODEL. <br />·PROVIDE NEW MULTI-ZONE SPLIT SYSTEMS. <br />·PROVIDE DUCTWORKS AND AIR DEVICES THROUGHOUT THE SPACE. <br />SYMBOLS AND ABBREVIATIONS <br />T <br />RETURN AIR PLENUM CROSS-SECTION <br />SUPPLY AIR PLENUM CROSS-SECTION <br />EXHAUST AIR <br />CUBIC FEET PER MINUTE <br />EXTERNAL STATIC PRESSURE <br />SIDE WALL RETURN GRILLE <br />ROOM THERMOSTAT <br />SUPPLY DIFFUSER <br />SIDE WALL SUPPLY REGISTER <br />RETURN AIR GRILLE <br />EXHAUST AIR GRILLE <br />ESP <br />CFM <br />EA <br />SWR <br />RAG <br />EAG <br />SWS <br />CD <br />SA <br />RA <br />EXISTING <br />FIRE DAMPER <br />HORSEPOWER <br />HERTZ <br />RETURN AIR <br />TYPICAL <br />SUPPLY AIR <br />MANUAL VOLUME DAMPER <br />RATED LOAD AMPERES <br />OUTSIDE SUPPLY AIR <br />SMOKE DETECTOR <br />STATIC PRESSURE <br />FULL LOAD AMPERES <br />VOLT <br />UNDERCUT DOOR <br />UP THRU ROOF <br />VENT THRU ROOF <br />MVD <br />V <br />VTR <br />TYP <br />U.T.R. <br />SD <br />SA <br />SP <br />RA <br />RLA <br />OSA <br />FLA <br />HP <br />HZ <br />EXIST <br />FD <br />SD <br />NOTE: <br />REFER TO PLAN <br />SHEETS FOR ANY <br />ADDITIONAL <br />LEGEND, <br />SYMBOLS AND <br />RELATED <br />ABBREVIATIONS. <br />D <br />U <br />S ROOM SENSOR <br />EF <br />(E) <br />ROOF MOUNTED EXHAUST FAN <br />NEWNEW(N) <br />U/C <br />CO2 SENSORCO2 <br />1 <br />RTU MECHANICAL EQUIPMENT TAG <br />POC <br />NEW DUCT <br />EXISTING DUCT <br />CD CONDENSATE DRAINCD <br />REF REFRIGERANT LINEREF <br />OSA INTAKE <br />OSA OSA DUCTOSA <br />FD <br />CO SENSORCO <br />EQUIVALENT LENGTH: 12' ; 90 BEND = 1. <br />1.USE A 4" DIAMETER SMOOTH WALL RIGID METAL DUCT THAT IS AT LEAST 28 GAUGE. <br />2.INSTALL DUCT JOINTS SO THAT THE INSIDE PART OF THE JOINT FITS INTO THE OUTSIDE PART OF THE <br />JOINT IN THE DIRECTION OF THE AIR FLOW. <br />3.NO FASTEN DUCT JOINTS WITH MECHANICAL FASTENERS SUCH AS SCREWS OR POP RIVETS. <br />4.SEAL THE DUCT JOINTS WITH METAL TAPE OR MASTIC. <br />5.FLEXIBLE CLOTHES DRYER TRANSITION DUCTS SHALL NOT BE CONCEALED WITHIN CONSTRUCTION. <br />6.LOCATE THE CLOTHES DRYER EXHAUST DUCT TERMINATION AT LEAST 3' FROM(a) THE PROPERTY <br />LINE; AND (b) OPERABLE AND NON-OPERABLE OPENINGS. <br />7.DRYER VENT SHALL BE EQUIPPED WITH BACK-DRAFT DAMPERS. <br />8.SCREENS/LOUVERS SHALL NOT BE INSTALLED AT DRYER VENT TERMINATIONS. <br />9.PROVIDE A CLEANOUT AT THE BOTTOM OF THE DUCT FOR CLEANING PURPOSES (REMOVAL OF LINT <br />OR DEBRIS BUILD-UP) <br />TYPE I DRYER VENT CALCULATION UNIT #1 & #2 <br />EQUIVALENT LENGTH: 14' ; 90 BEND = 2. <br />1.USE A 4" DIAMETER SMOOTH WALL RIGID METAL DUCT THAT IS AT LEAST 28 GAUGE. <br />2.INSTALL DUCT JOINTS SO THAT THE INSIDE PART OF THE JOINT FITS INTO THE OUTSIDE PART OF THE <br />JOINT IN THE DIRECTION OF THE AIR FLOW. <br />3.NO FASTEN DUCT JOINTS WITH MECHANICAL FASTENERS SUCH AS SCREWS OR POP RIVETS. <br />4.SEAL THE DUCT JOINTS WITH METAL TAPE OR MASTIC. <br />5.FLEXIBLE CLOTHES DRYER TRANSITION DUCTS SHALL NOT BE CONCEALED WITHIN CONSTRUCTION. <br />6.LOCATE THE CLOTHES DRYER EXHAUST DUCT TERMINATION AT LEAST 3' FROM(a) THE PROPERTY <br />LINE; AND (b) OPERABLE AND NON-OPERABLE OPENINGS. <br />7.DRYER VENT SHALL BE EQUIPPED WITH BACK-DRAFT DAMPERS. <br />8.SCREENS/LOUVERS SHALL NOT BE INSTALLED AT DRYER VENT TERMINATIONS. <br />9.PROVIDE A CLEANOUT AT THE BOTTOM OF THE DUCT FOR CLEANING PURPOSES (REMOVAL OF LINT <br />OR DEBRIS BUILD-UP) <br />TYPE I DRYER VENT CALCULATION UNIT #3 & #4 <br />EQUIVALENT LENGTH: 14' ; 90 BEND = 2. <br />1.USE A 4" DIAMETER SMOOTH WALL RIGID METAL DUCT THAT IS AT LEAST 28 GAUGE. <br />2.INSTALL DUCT JOINTS SO THAT THE INSIDE PART OF THE JOINT FITS INTO THE OUTSIDE PART OF THE <br />JOINT IN THE DIRECTION OF THE AIR FLOW. <br />3.NO FASTEN DUCT JOINTS WITH MECHANICAL FASTENERS SUCH AS SCREWS OR POP RIVETS. <br />4.SEAL THE DUCT JOINTS WITH METAL TAPE OR MASTIC. <br />5.FLEXIBLE CLOTHES DRYER TRANSITION DUCTS SHALL NOT BE CONCEALED WITHIN CONSTRUCTION. <br />6.LOCATE THE CLOTHES DRYER EXHAUST DUCT TERMINATION AT LEAST 3' FROM(a) THE PROPERTY <br />LINE; AND (b) OPERABLE AND NON-OPERABLE OPENINGS. <br />7.DRYER VENT SHALL BE EQUIPPED WITH BACK-DRAFT DAMPERS. <br />8.SCREENS/LOUVERS SHALL NOT BE INSTALLED AT DRYER VENT TERMINATIONS. <br />9.PROVIDE A CLEANOUT AT THE BOTTOM OF THE DUCT FOR CLEANING PURPOSES (REMOVAL OF LINT <br />OR DEBRIS BUILD-UP) <br />TYPE I DRYER VENT CALCULATION UNIT #5 <br />WASHER <br />DRYER <br />7' <br />EQUIVALENT LENGTH: 7' ; 90 BEND = 0. <br />1.USE A 4" DIAMETER SMOOTH WALL RIGID METAL DUCT THAT IS AT LEAST 28 GAUGE. <br />2.INSTALL DUCT JOINTS SO THAT THE INSIDE PART OF THE JOINT FITS INTO THE OUTSIDE PART OF THE <br />JOINT IN THE DIRECTION OF THE AIR FLOW. <br />3.NO FASTEN DUCT JOINTS WITH MECHANICAL FASTENERS SUCH AS SCREWS OR POP RIVETS. <br />4.SEAL THE DUCT JOINTS WITH METAL TAPE OR MASTIC. <br />5.FLEXIBLE CLOTHES DRYER TRANSITION DUCTS SHALL NOT BE CONCEALED WITHIN CONSTRUCTION. <br />6.LOCATE THE CLOTHES DRYER EXHAUST DUCT TERMINATION AT LEAST 3' FROM(a) THE PROPERTY <br />LINE; AND (b) OPERABLE AND NON-OPERABLE OPENINGS. <br />7.DRYER VENT SHALL BE EQUIPPED WITH BACK-DRAFT DAMPERS. <br />8.SCREENS/LOUVERS SHALL NOT BE INSTALLED AT DRYER VENT TERMINATIONS. <br />9.PROVIDE A CLEANOUT AT THE BOTTOM OF THE DUCT FOR CLEANING PURPOSES (REMOVAL OF LINT <br />OR DEBRIS BUILD-UP) <br />TYPE I DRYER VENT CALCULATION UNIT #6 - #10 <br />WASHER <br />DRYER <br />4' <br />8' <br />WASHER <br />DRYER <br />3' <br />2'' <br />9' <br />CEILING 1ST FLOOR <br />ROOF <br />WASHER <br />DRYER <br />3' <br />2' <br />9' <br />CEILING 1ST FLOOR <br />ROOF <br />RE <br />V <br />I <br />S <br />I <br />O <br />N <br />SHEET TITLE: <br />DATE: SCALE: <br />GA <br />R <br />F <br />I <br />E <br />L <br />D <br /> <br />R <br />E <br />S <br />T <br />O <br />R <br />A <br />T <br />I <br />O <br />N <br /> <br />/ <br /> <br />R <br />E <br />M <br />O <br />D <br />E <br />L <br />03/05/2023 <br />PLOT DATE: 9/12/2024 1:26:39 PM <br />CD <br />I <br /> <br />Ci <br />r <br />c <br />a <br /> <br />D <br />o <br />m <br />i <br />n <br />i <br /> <br />I <br />n <br />t <br />e <br />r <br />n <br />a <br />t <br />i <br />o <br />n <br />a <br />l <br />, <br /> <br />I <br />n <br />c <br />. <br />En <br />g <br />i <br />n <br />e <br />e <br />r <br />i <br />n <br />g <br /> <br />- <br /> <br />C <br />o <br />n <br />s <br />u <br />l <br />t <br />i <br />n <br />g <br />98 <br />9 <br />0 <br /> <br />R <br />e <br />s <br />e <br />a <br />r <br />c <br />h <br /> <br />D <br />r <br />. <br /> <br />S <br />u <br />i <br />t <br />e <br /> <br />1 <br />0 <br />0 <br />, <br /> <br />I <br />r <br />v <br />i <br />n <br />e <br />, <br /> <br />C <br />A <br /> <br />9 <br />2 <br />6 <br />1 <br />8 <br />Ph <br />o <br />n <br />e <br /> <br />( <br />9 <br />4 <br />9 <br />) <br /> <br />5 <br />3 <br />3 <br />- <br />4 <br />1 <br />1 <br />7 <br /> <br />| <br /> <br />d <br />k <br />a <br />n <br />g <br />@ <br />c <br />d <br />i <br />e <br />n <br />g <br />. <br />c <br />o <br />m <br />82 <br />9 <br /> <br />N <br /> <br />G <br />A <br />R <br />F <br />I <br />E <br />L <br />D <br /> <br />S <br />T <br />SA <br />N <br />T <br />A <br /> <br />A <br />N <br />A <br />, <br /> <br />C <br />A <br /> <br />9 <br />2 <br />7 <br />0 <br />1 <br />DRAWN: CHECKED: <br />PL <br />A <br />N <br /> <br />C <br />H <br />E <br />C <br />K <br /> <br />R <br />E <br />V <br />. <br /> <br />0 <br />4 <br />/ <br />2 <br />7 <br />/ <br />2 <br />0 <br />2 <br />3 <br />PL <br />A <br />N <br /> <br />C <br />H <br />E <br />C <br />K <br /> <br />R <br />E <br />V <br />. <br /> <br />0 <br />9 <br />/ <br />2 <br />8 <br />/ <br />2 <br />0 <br />2 <br />3 <br />IN <br />S <br />P <br />E <br />C <br />T <br />I <br />O <br />N <br /> <br />R <br />E <br />V <br />. <br /> <br />0 <br />6 <br />/ <br />1 <br />9 <br />/ <br />2 <br />0 <br />2 <br />4 <br />PL <br />A <br />N <br /> <br />C <br />H <br />E <br />C <br />K <br /> <br />R <br />E <br />V <br />. <br /> <br />0 <br />9 <br />/ <br />0 <br />4 <br />/ <br />2 <br />0 <br />2 <br />4 <br />M000 <br />MECHANICAL <br />NOTES <br />C.B.R.C. <br />HOLD- 829 N <br />Garfield St1/15/2025