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IRC MI502.4.5.1 DRYS EXHAUST DUCT FITTING EQUIVALENT LENGTH
<br />_DRYER EXHAUST DUCT KITING TYPE EQUIVALENT LONGIII
<br />e RADIUS MITERED 45®DE — O _ Z-6'
<br />4" RADIUS MITEED 90-DEME ELBOW 5'-0"
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<br />6' RADIUS SMOOTH 90-DECREE ELBOW
<br />8' RADIUS SMOOTH 45-DEGREE ELBOW
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<br />MECHANICAL & WHOLE HOUSE MALAAON PER IRC CH, 15 (WA AMENDMENTS
<br />IRC SECTION M1501.1 OUTDOOR DISCHARGE. TIME AIR REMOVED BY EVERY MECHN41CAL SYSTEM MALL BE
<br />DISCHARGE TO THE OUTDOORS IN ACCORDANCE NTH SECTION M1506.2, AIR MALL NOT BE WXHAUSTED
<br />INTO AN ATTIC, SOFFIT, RIDGE VENT OR CRAWL SPACE,
<br />EXCEPTION: WIOLL-HOUSE VENTILATION -TYPE A OC FANS THAT DISCHARGE INTO THE ATTIC SPACE OF
<br />DWELLING UNITS HAVING PRIVATE ATTICS SMALL HE PERMITTED.
<br />IRC SECTION M1502 CLOTHES DRYER EXHAUST IRC M1502.1 GENERAL CLOTHES DRYERS SHALL BE
<br />EXHAUSTED IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS,
<br />IRC 1502,2 IND [ENT EXHAUST SYSTM- S. DRYER EXHAUST SYSTEMS SHALE BE INDEPENDENT OF
<br />ALL OTHER SYSTEMS AND SHALL CONVEY THE MOISTURE TO THE OUTDOORS. THIS SECTION MALL NOT
<br />APPLY TO LISTED AND LABELED CONDENSING (DUCTLESS) CLOTHES DR
<br />IRC M1502.3 DUCT TERMINATION. EXHAUST DUCTS SMALL TERMINATE ON THE OU iSIDE OF THE BUILDING,
<br />EXHAUST DUCT TERMINATIONS SHALL BE IN ACCORDANCE WITH THE DRYER MANUFACTURER'S INSTALLATION
<br />INSTRUCTIONS, IF THE MANUFACTURER'S INSTRUCTIONS DO NOT SPECIFY A TERMINATION LOCATION, THE
<br />EXHAUST DUCT SHALL TERMINATE NOT LESS THAN 3 FEET IN ANY DIRECTION FROM OPENINGS INTO
<br />BUILDINGS. EXHAUST DUCT TERMINATIONS SHALL BE EQUIPPED WITH A BAOCDRAFT DAMPER. SCREENS
<br />SHALL NOT BE INSTALLED AT THE DUCT TERMINATION,
<br />IRC M1502.4.1 MATERIAL AND SIZE, DRYER EXHAUST DUCTS SHALL HAVE A SMOOTH INTERIOR FINISH AMD
<br />SMALL BE CONSTRUCTED OF METAL, A MINIMUM 0.0157-INCH THICK (26 GA), THE EYMAUST DUCT S17E
<br />SHALL BE 4 INCHES NOMINAL IN DIAMETER,
<br />M1502,4.2 DUCT INSTALLATION. EXHAUST DUCTS SHALL BE SUPPORTER AT INTERVALS NOT TO EXCEED 12
<br />FEET AND SHALL BE SECURED IN PLACE, THE INSERT END OF THE DUCT SHALL EXTEND INTO ME
<br />ADJOINING DUCT OR FITTING IN THE DIRECTION OF AIRFLOW. EXHAUST DUCT J0114TiS SHALL BE SEALED IN
<br />ACCORDANCE WITH SECTION M1601,4.1 AND SHALL BE MECHANICALLY FASTENED. DUCTS SHALL NOT BE
<br />JOINED WTH SCREWS OR SIMILAR FASTENERS THAT PROTRUDE 140E THAN 1/8 INCH INTO THE INSIDE
<br />THE DUCT.
<br />IIRC M1502.4.3 TRANSITION DUCT. TRANSITION DUCTS USED TO CONNECT THE DRYER TO THE EXHAUST
<br />DUCT SYSTEM SHALL BE A SINGLE LENGTH THAT IS LISTED AND LABELED IN ACCORDANCE WTI# UL 2158k
<br />TRANSITION DUCTS SMALL BE A MAXIMUM OF IT FEET IN LENGTH. TRANSITION DUCTS SHALL NOT BE
<br />CONCEALED WITHIN CONSTRUCTION.
<br />M1502.4.4 DRYER EXHAUST DUCT POWER VENTILATORS, DOMESTIC DRYER EXHAUST DUCT POWER
<br />VENTILATORS SHALL CONFORM TO UL 705 FOR USE IN DRYER EXHAUST DUCT SYSTEMS. THE DRYER
<br />EXHAUST DUCT POWER VENTILATOR SHALL BE INSTALLED IN ACCEDANSE WITH THE MANUFACTURER'S
<br />INSTRUC (IONS,
<br />M1502.4.5 DUCT LENGTH. THE MAXIMUM ALLOWABLE EXHAUST DUCT LErtNGTHSHALL BE DETERMINED BY ONE
<br />OGF USE METHODS SPECIFIED IN SECTIONS M1502.4.5,1 THROUGH M1502,4.5.3.
<br />M1502.4.5.1 SPECIFIFI) LENGTH. THE MAXIMUM LENGTH OF THE EXHAUST DUCT SHALL BE 35 FEET FROM
<br />THE CONNECTION TO THE TRANSITION DUCT FROM THE DRYER TO THE OUTLET TERMINAL, WHERE FITTINGS
<br />ARE USED, THE MAXIMUM LENGTH OF THE EXHAUST DUCT SMALL BE REDUCED IN ACCORDANCE WITH
<br />TABLE M1502,4.5.1. THE MAXIMUM LENGTH OF THE EXHAUST DUCT DOES NOT INCLUDE THE TRANSITION
<br />DUCT.
<br />M1502.4.5,3 DRYER EXHAUST DUCT POWER VENTILATOR. THE MAXIMUM LENGTH OF THE EXHAUST DUCT
<br />SHALL BE DETERMINED IN ACCORDANCE NTH THE MANUFACTURER'S INSTRUCTIONS FOR THE DUCT POWER
<br />VENTILATOR.
<br />MIS02.4.6 LENGTH IDENTIFICATION, MERE THE EXHAUST DUCT EQUIVALENT LENGTH EXCEES 35 FEET, THE
<br />EQUIVALENT LENGTH OF THE EXHAUST DUCT SHALL DE IDENTIFIED ON A PERMANENT LABEL OR TAG
<br />LOCATED WITHIN 6 FEET OF THE EXHAUST DUCT CONNECTION.
<br />M1502,4,7 EXHAUST DUCT REQUIRED, WERE SPACE FOR A CLOTHES DRYER IS PROVIDED AN EXHAUST
<br />DUCT SYSTEM SHALL HE INSTALLED. MERE THE CLOTHES DRYER IS NOT INSTALLED AT THE TIDE OF
<br />OCCUPANCY THE EXHAUST DUCT SHALL DE CAPPED OR PLU_ IN THE SPACE IN NIGH IT ORIGINATES
<br />AND IDENTIFIED AND MAR O 'FUTURE USE.'
<br />EXCEPTION: MERE A LISTED CONDENSING CLOTHES DRYER IS INSTALLED PRIOR TO OCCUPANCY OF THE
<br />STRUCTURE,
<br />M1502,5 PROTECTION REQUIRED, PROTECTIVE SHIELD PLATES MALL BE PLACED MERE NAILS OR SCREWS
<br />FROM FINISH OR OTHER WORK ARE LIKELY TO PENETRATE THE CLOTHES DRYER EXHAUST DUCT, SHILL
<br />PLATES SHALL BE PLACED ON THE FINISHED FACE OF FRANING MEMBERS WHERE THERE IS LESS THAN I
<br />INCHES BETWEEN THE DUCT AND THE FINISHED FACE OF THE FRAMING MEMBER. PROTECTIVE MELD
<br />PLATES SHALL DE CONSTRUCTED OF STEAL, HAVE A MINIMUM THICKNESS OF 0,062 INCH AND SHALL NOT
<br />EXTEND LESS THAN 2 INCHES ABOVE SOLE PLATES AND BELOW TOP PLATES,
<br />M1507.3.2 CONTROL AND OPERATION.
<br />1. LOCATION OF CONTROLS, CONTROLS FOR ALL VENTILATION SYSTEMS SHALI_ BE READILY ACCESSIBLE BY
<br />THE OCCUPANT.
<br />2. INSTRUCTIONS. OPERAt`iNG INSTRUCTIONS FOR WHOLE -HOUSE VENTILATION SYSTEMS MALL BE PROVIDED
<br />TO I`TIE OCCUPANT BY THE INSTALLER OF THE SYSTEM.
<br />3. LOCAL EXHAUST SYSTEMS. LOCAL EXHAUST SYSTEMS SHALL BE CONTROLLED BY MANUAL STCHES,
<br />DEHUMIDISTATS, TIMERS, OR OTHER APPROVED MEANS.
<br />4. CONTINUOUS MOLE -HOUSE VENTILATION SYSTEMS. CONTINUOUS M40LE-HOUSE VENTILATION SYSTEMS
<br />MALL OPERATE CONTINUOUSLY. EXHAUST FAMS, FORCED -AIR SYSTEM FANS, OR SUPPLY FANS SHALL BE
<br />EQUIPPED NTH FAN ON" AS OVERRIDE CONTROLS, CONTROLS SHALL BE CAPABLE OF OPERATING THE
<br />VENTILATION SYSTEM WITHOUT E1NECIZING OTHER ENERGY -CONSUMING APPLIANCES. A LABEL SHALL BE
<br />AFFIXED TO THE CONTROLS THAT READS 'WHOLE HOUSE VEN IiLA TION (SEE OPERATING INSTRUCTIONS).'
<br />1 INTERMITTENT ®HOUR VENTILATION SYS = S. INTERMITTENT WHOLE -HOUSE VENALATION SYSTEMS
<br />SHALL COMPLY WITH TILE FOLLOWING:
<br />T _
<br />1 5.1, THEY CIA_ BE CAPABLE OF AERATING INTERMITTENTLY AND C{iTNUOIUSLY,
<br />52 THEY SHALL HAVE CONTROLS CAPABLE OF OPERATING THE EXHAUST FANS, FORS -AIR SYSTEM
<br />FANS, OR SUPPLY FANS MTHOUT ENERGISING OTHER ENERGY -CONSUMING APPLIANCES,
<br />53. THE ITILATION RATE SHALL BE ADJUSTED ACCORDING TO THE EXCEPTION IN SECTION 401&51
<br />5.0 THE SYSTEM MALL BE DE91133\0 SO THAT IT CAN OPERATE AUTOMATICALLY BASED ON THE TYPE OF
<br />CONTROL TIMER INSTALLED.
<br />5.5. THE INTERMITTENT MECHANICAL VENTILATION SYSTEM SHAD OPERATE AT LEAST ONE HOUR OUT OF
<br />EVERY FOUR.
<br />5,6. THE SYSTEM SHALL HAVE A MANUAL CONTROL AND AUTOMATIC CONTROL, SUCH AS A 24-HWR
<br />CLOCK TIMER,
<br />5.7. AT THE TIME OF FINAL INSPECTION, THE AUTOMATIC CONTROL SHALL BE SET TO OPERATE THE
<br />WIOLE-HOUSE FAN ACCORDING TO THE SCHEDULE USED TO CALCULATE ME WHOLE -HOUSE FAN SLANG..
<br />5.8. A LABEL SHALL BE AFFIXED TO THE CONTROL THAT READS "WHOLE HOUSE VENTILATION (SEE
<br />OPERATING INSTRUC-110 "
<br />M15�r.3.2.7 OPERATING INSTRUCTIONS. INSTALLERS MALL PROVIDE THE MANUFACTURER'S INSTALLATION,
<br />OPERATING INSTRUCTION AND A WHOLE —HOUSE VENTILATION SYSTEM ATOM DESCRIPTION.
<br />M1507.3.2,1 OPERATING INSTRUCTION& INSTALLERS SHALL PROVIDE THE MANUFACTURE'S INSTALLATION,
<br />OPERATING INSTRUCTIONS, AND A MOLE -HOUSE VENTILATION SYSTEM OPERATION DESCRIPTION.
<br />M1507.3.3 MECHANICAL VO4TILATIOIN RATE, I"HEWHOLE-HOUSE MECHANICAL VENTILATION SYSTEM MALL
<br />PROVIDE OUTDOOR AIR TO EACH HABITABLE SPACE AT A CONTINUOUS RATE OF NOT LESS THAN THAT
<br />DETERMINED IN ACCORDANCE WTIN TABLE M1507.3,3(1 ,
<br />EX Ift THE WHOLE -HOUSE MECHANICAL TI om SYSTEM IS PERMITTED TO OPERATE
<br />INTERMITTENTLY WERE THE SYSTEM HAS CONTROLS THAT ENABLE OPERATION FOR NOT LESS THAN 25
<br />PERCUT OF EACH 4-HOUR SEGMENT AND THE VENTILATION RATE PRESCRIBED IN TABLE M1507.3,3(I) IS
<br />MULTIPLIED BY THE FACTOR DETERMINED IN ACCORDANCE WITH TABLE M1507.3.92).
<br />FLOOR AREA
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<br />TABLE IRC M150I
<br />CONTINUOUS WHOLE -HOUSE MECHANICAL
<br />H• T
<br />SQUARE Y .,TCUBIC FOOT PER MINUTE = 0 ,
<br />TABLE
<br />NC MIT r
<br />mH
<br />MEC�IANI AL
<br />ILAT
<br />RA
<br />RUN-TIME
<br />PERCENTAGE IN
<br />EACH 4-HOUR
<br />25
<br />33
<br />50%
<br />66%
<br />75%,
<br />100:
<br />SEGMENT
<br />FACTOR"
<br />4
<br />3
<br />2
<br />La
<br />1.3
<br />1
<br />FOR VENTLATON
<br />SYSTEMDETERMINED
<br />ARE PERMI—IIED 10 BE
<br />b. EXTRAPOLATION
<br />PLY FAN U CFM AT 0.40' WO
<br />SPECIM11-
<br />VOLUME FROM
<br />TABL
<br />M15t"
<br />SMOOM DUCT
<br />DIAMETER
<br />FLEXIBLE DUCT
<br />DIAMETER
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<br />M1507.3.6.3 DAMPERS. THE SYSTEM SHALL BE EQUIPPED VATH A BACK -DRAFT DAMPER AND ONE
<br />INSTRUCTIONS,OF THE FOLLOWNI
<br />1. A CALIBRATED MANUAL VOLUME DAMPER INSTALLED AND SET TO MEET THE MEASURED FLOW
<br />RATES SPECIFIED IN TABLE M1507.33(l) BY FIELD TESTING WTH A PRESSURE GAUGE, AND/OR
<br />FOLLOHNG MANUFACTURER'S INSTALLATION
<br />VOLUMEIr AND SET TO MEET THE MEASURED FLOW RAYS
<br />FIELDSPECIFIED IN TABLE M150-1.3.gl) BY TESTING WITH A FLOW Hem OR A FLOW MEASURING
<br />FLOW-REGULATINGSTAIION; OR
<br />3, AN AUTOMATIC C SIZED TO THE SPECIFIED FLOW RATES IN TABLE
<br />VENTILATIONM15073.3(l) WHICH PROVIDES CONSTANT FLOW OVER A PRESSURE RANGE OF 0.20 TO 0.60
<br />INCHES WATER GAUGE.
<br />- DUCTS IN THECONDITIONED SPACE
<br />ENTRY BY LEAVES OR OTHER MATERIAL. OUTDOOR AIR INLETS SHALL BE LOCATED SO AS NOT TO
<br />TAKE AIR FROM THE FOLLOWNGR
<br />I. CLOSER THAN 10 FEET FROM Am APPLIMCE VENT OUTLEL UNLESS SUCH VENT OUTLET IS 3
<br />FEET ABOVE THE OU700OR AIR INLEL
<br />2. WHERE IT VALE PICK UP ABLE ODORS, FUMES OR FLAMMABLE VAPORS.
<br />3. A HAZARDOUS OR UNSANITARY �,
<br />A ROOM OR SPACE HAVING ANY FUEL -BURNING -
<br />VENT OPENING IS AT LEAST 3 FEET ABOVE THE AIR INLET.
<br />& ATIC, CRAWL SPACES, OR GARAGES.
<br />5. CLOSER THAN 10 FEET FROM A VENT OPENING OF A PLUMBING DRAINAGE SYSTEM UNLESS THE
<br />REVIBNED FOR PERMIT
<br />RIGHTS
<br />COPYRII 2016 DESIGN LINES, INC., ALL ,
<br />ISSUED.
<br />THIS SHEL-T IS
<br />EXCLUSIVELY FOR THE CLIENTS OF DESIGN LINES, INC. AND ONLY FOR THE PARACULAR
<br />CT
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<br />PROJECTFOR MICH ME PRINTS KRE
<br />FORBIDDENSTRICTLY i SUBJECT TO PENALTY OF LAW.
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