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t <br />yy <br />4- <br />`' 411414114 <br />VENTILATOR <br />! s L ! <br />L - - <br />------------- <br />} <br />L <br />IOU <br />fi- <br />FOR SI: I SQUARE FOOT 6._0_929M',__lCUBIC FOOT PER MINUTE = f_ <br />TABLEk <br />WHOLE-HOUSEINTERMITTENT R. <br />METHOD ,1 1, IRC M1507.3.4 M HOUR VENTILATIONUSING EXHAUST FANS. <br />M1507.3. WHOLE -HOUSE VENTILATION FANS. EXHAUST FANS PROVIDING MOLE HOUSE <br />VENTILATION SHALL HAVE A FLOW RATING AT 0.25 INCHES WATER GAUGE AS SPECIFIED IN TABLE <br />M1507.3.3(1). MANUFACTURERS' FAN FLOW RATINGS SHALL BE DETERMINED ACCORDING TO HVI <br />916 OR A.MCA 210. <br />M1507.3;4,2 FAN NOISE. MOLE HOUSE FANS LOCATED 4 FEET OR LESS FROM THE INTERIOR <br />GRILLE SHALL HAVE A SONE RATING OF 1.0 OR LESS MEASURED AT 0.1 INCHES WATER GAUGE. <br />MANUFACTURER'S NOISE RATINGS SHALL, BE DETERMINED AS PER HVI 915 MARCH 20MP. <br />REMOTELY MOUNTED FANS SHALL BE ACOUSTICALLYISOLATED FROM THE STRUCTURAL ELEMENTS <br />OF THE BUILDING AND FROM ATTACHED :DUCT WORK USING INSULATED FLEXIBLE DUCT M OTHER <br />APPROVED MATERIAL. <br />M1507.3.4.3 FAN CONTROL S. TIME HOUSE VENTILATION FALL SHALE MEET THE <br />REQUIREMENTS OF SECTION M1507.3.2 AND M1507.3.2.1. <br />M1507.3.4.4 VENTILATION OPENINGS. EACH HABITABLE SPACE SHAD OF PROVIDED WITH OUTDOOR AIR <br />INLETS OR OPERABLE WINDOWS WITH M OPENABLE AREA NOT LESS THAN 4 SQUARE INCHES OF NET <br />FREE AREA OF OPENING FOR EACH 10 CM OF OUTDOOR AIR REQUIRED BY TABLE M1 7.333(1). WHERE <br />OUTDOOR AIR SUPPLIES ARE SEPARATED FROM EXHAUST POINTS BY DOORS. PROVISIONS SHALL BE <br />MADE TO ENSURE AIR FLOW BY INSTALLATION OF DISTRIBUTION DUCTS, UNDERCUTTING DOORS, <br />INSTALLATION OF GRILLES, TRANSOMS, OR SIMILAR MEANS. DOORS SHAD, BE UNDERCUT TO A MINIMUM <br />OF 1 J2 INCH ABOVE THE SURFACE OF THE FINISH FLOOR COVERING. <br />INDIVIDUAL RON OUTDOOR AIR INLETS SHALL; <br />1. HAVE CONTROLLABLE AND SECUREOPENINGS; <br />2. BE SLEEVED OR OTHERWISE DESIGNED SO AS NOT TO COMPROMISE THE THERMAL PROPERTIES <br />OF THE WALL OR WINDOW IN WHICH THEY ARE PLACED; <br />3, ANY INLET OR COMBINATION OF INLETS WHICH PROVIDE 10 GEM AT 10 PASCALS ARE DEEMED <br />EQUIVALENT TO 4 SQUARE INCHES NET FREE AREA, <br />VENTILATION OPENING SHALL BE SCREENED OR OTHERWISE PROTECTED FROM ENTRY BY LEAVES OR <br />OTHER MATERIAL, OPENINGS STALL BE CONTROLLABLE, R AN A BE C , SECU ABLE D SHALL DESIGNED TO <br />NOT COMPROMISE THE THERMAL PERTIES OF THE BUILDING ENVELOPE. VENTILATION OPENINGS <br />SHALT BE LOCATED SO AS NOT TO TAKE AIR FROM THE FLOWING AREAS. <br />1. CLOSER THAN 10 FEET FROM AN APPLIANCE VENT OUTLET, UNLESS SUCH VENT OUTLET IS 3 <br />FEET ABOVE THE OUTDOOR AIR INLET. <br />2. MERE IT WILL PICK UP OBJECTIONABLE ODORS, FUMES OR FLAMMABLE VAPORS. <br />3. A HAZARDOUS OR UNSANITARY LOCAT110N. <br />4. A ROOM OR SPACE HAVING ANY FUEL -BURNING APPLIANCES THEREIN. <br />5. CLOSER THAN 10 FEET FROM A VENT OPENING OF A PLUMBING DRAINAGE SYSTEM UNLESS THE <br />VENT OPENING IS AT LEAST 3 FEET ABOVE THE AIR INLET. <br />6. ATTIC, CRAM SPACES, OR GARAGES. <br />7. ASPHALT ROOFS UNLESS IT IS SHOWN THAT NO OTHER LOCATION IS PERMISSIBLE. IN SUCH <br />CASES THE INLET OPENING SHALL BE LOCATED A MINIMUM OF 2 FEET FROM THE NEAREST <br />SURFACE OF THE ASPHALT ROOFING, MEASURED FROM THE INTAKE OPENING. <br />METHOD 2, M1507.3.5.1 INTEGRATED MOLE HOUSE VENTILATION SYSTEMS. INTEGRATED <br />WHOLE- SE VENTILATION SYSTEMS MALL PROVIDE OUTDOOR AIR AT THE RATE CALCULATED <br />USING SECION M1507.3.3. INTEGRATED FORCED -AIR VENTILATION SYSTEMS MALL DISTRIBUTE <br />OUTDOOR AIR TO EACH HABITABLE SPACE THROUGH THE FORCED -AIR SYSTEM DUCTS. INTEGRATED <br />FOR -AIR VENTILATION SYSTEMS SHALL HAVE AN OUTDOOR AIR INLET DUCT CONNECTING A <br />TERMINAL, ELEMENT ON THE OUTSIDE OF THE BUILDING TO THE RETURN AIR PLENUM OF THE <br />FORCED -AIR SYSTEM, AT A POINT WITHIN 4 FEET UPSTREAM OF THE AIR HANDLER. THE OUTDOOR <br />AIR INLET DUCT CONNECTION TO THE RETURN AIR STREAM SHALL BE LOCATED UPSTREAM OF THE <br />FORCED -AIR SYSTEM BLOWER AND SHALL NOT BE CONNECTED DIRECTLY INTO A FURNACE CABINET <br />TO PREVENT THERMAL { TO THE HEAT EXCHANGER. THE SYSTEM WILL BE EQUIPPED WIN A <br />MOTORIZE DAMPER CONNECTED TO THE AUTOMATIC VENTILATION CONTROL AS SPECIFIED IN <br />SECTION M1507.3.2. THE REQUIRED FLOW RATE SHALL BE VERIFIED BY FIELD TESTING WITH A FLOW <br />HOOD OR A FLOW MEASURING STATION. <br />M1507.3.5.2 VENTILATION DUCT INSULATION. ALE SUPPLY DUCTS IN THE TINED SPACE <br />SHALL BE INSULATED TO A MINIMUM OF R-4. <br />M17.3.5,3 OUTDOOR AIR INLETS. INLETS SHALL BE SCREENED OR OTHERWISE PROTECTED FROM <br />ENTRY BY LEAVES OR OTHER MATERIAL OUTDOOR AIR INLETS SHALL BE LOCATED SO AS NOT TO <br />TAKE AIR FROM THE FOLLOWING AREAS- <br />1. CLOSER THAN 10 FEET FROM AN APPLIANCE VENT OUTLET, UNLESS SUCH VENT OUTLET IS 3 <br />FEET ABOVE THE OUTDOOR AIR INLET <br />2. MERE IT WILL PICK UP OBJECTIONABLE ODORS, FUMES OR FLAMMABLE VAPORS. <br />3. A HAZARDOUS OR UNSANITARY LOCATION. <br />4. A ROOM OR SPACE HAVING MY FUEL -BURNING APPLIANCES THEREIN. <br />5. CLOSER THAN 10 FEET FROM A VENT OPENING OF A PLUMBING DRAINAGE SYSTEM UNLESS THE <br />VENT OPENING IS AT LEAST 3 FEET ABOVE THE AIR INLET. <br />6. ATTIC, CRAWL SPACES, OR GARAGES, <br />METHOD #3, M1507.3.6, MOLE HOUSE VENTILATION USING A SUPPLY FAN. SUPPLY FAN <br />VENTILATION SYSTEMS SHALL DISTRIBUTE OUTDOOR AIR TO EACH HABITABLE SPACE T"ROUCH THE <br />FORCED -AIR SYSTEM DUCTS OR THROUGH DEDICATED DUCTS TO EACH HABITABLE SPACE. SUPPLY <br />FANS SHALL HAVE THE CAPACITY TO PROVIDE THE AMOUNT OF OUTDOOR AIR SPECIFIED IN TABLE <br />M1507.3.' 1 AT 0.40 INCITES WATER GAUGE AS PER HVI 916. THE OUTDOOR AIR MUST BE <br />FILTERED ORE IT IS DELIVERED TO HABITABLE SPACES. THE FILTER MAY BE LOCATED AT THE <br />INTAKE DEVICE, IN DINE WITH THE FAN, OR, IN THE CASE OF A CONNECTION TO THE RETURN <br />PLENUM OF THE AIR HANDLER, USING THE FURNACE FILTER. AN OUTDOOR AIR INLET SHALL BE <br />CONNECTED TO EITHER THE SUPPLY OR RETURN AIR STREAM. <br />M1507.3,6.2 DUCTS. AN OUTDOOR AIR INLET DUCT CONNECTION TO THE SUPPLY AIR STREAK SHALL <br />BE LOCATED DOWNSTREAM OF THE FORCEO-AIR SYSTEM BLOWER. IF CONNECTED TO THE RETURN AIR <br />STREAM IT SHALL BE LOCATED AT LEAST 4 FEET UPSTREAM OF THE FORCED -AIR 'SYSTEM BLOWER <br />AND ITS FILTER, NEITHER MALL BE CONNECTED DIRECTLY INTO A FURNACE CABINET. THE DUCT <br />SHALL BE SIZED IN ACCORDANCE WITH TABLE M1507.3.6.2. THE TERMINAL ELEMENT ON THE ODUTSDE <br />OF THE BUILDING MALL BE SIZED 2 INCHES DIA. LARGER THAN THE OUTDOOR AIR INLET DUCT. <br />TABLE M1507.3.6.2 <br />PRESCRIPTIVE SUPPLY FAN DUCT SIZING <br />SUPPLY FAN TESTED CF-M AT 0,40" WG <br />SPECIFIED <br />VOLUME FROM <br />TABLE <br />M1507.3.3(1) <br />METHOD ,1 1, IRC M1507.3.4 M HOUR VENTILATIONUSING EXHAUST FANS. <br />M1507.3. WHOLE -HOUSE VENTILATION FANS. EXHAUST FANS PROVIDING MOLE HOUSE <br />VENTILATION SHALL HAVE A FLOW RATING AT 0.25 INCHES WATER GAUGE AS SPECIFIED IN TABLE <br />M1507.3.3(1). MANUFACTURERS' FAN FLOW RATINGS SHALL BE DETERMINED ACCORDING TO HVI <br />916 OR A.MCA 210. <br />M1507.3;4,2 FAN NOISE. MOLE HOUSE FANS LOCATED 4 FEET OR LESS FROM THE INTERIOR <br />GRILLE SHALL HAVE A SONE RATING OF 1.0 OR LESS MEASURED AT 0.1 INCHES WATER GAUGE. <br />MANUFACTURER'S NOISE RATINGS SHALL, BE DETERMINED AS PER HVI 915 MARCH 20MP. <br />REMOTELY MOUNTED FANS SHALL BE ACOUSTICALLYISOLATED FROM THE STRUCTURAL ELEMENTS <br />OF THE BUILDING AND FROM ATTACHED :DUCT WORK USING INSULATED FLEXIBLE DUCT M OTHER <br />APPROVED MATERIAL. <br />M1507.3.4.3 FAN CONTROL S. TIME HOUSE VENTILATION FALL SHALE MEET THE <br />REQUIREMENTS OF SECTION M1507.3.2 AND M1507.3.2.1. <br />M1507.3.4.4 VENTILATION OPENINGS. EACH HABITABLE SPACE SHAD OF PROVIDED WITH OUTDOOR AIR <br />INLETS OR OPERABLE WINDOWS WITH M OPENABLE AREA NOT LESS THAN 4 SQUARE INCHES OF NET <br />FREE AREA OF OPENING FOR EACH 10 CM OF OUTDOOR AIR REQUIRED BY TABLE M1 7.333(1). WHERE <br />OUTDOOR AIR SUPPLIES ARE SEPARATED FROM EXHAUST POINTS BY DOORS. PROVISIONS SHALL BE <br />MADE TO ENSURE AIR FLOW BY INSTALLATION OF DISTRIBUTION DUCTS, UNDERCUTTING DOORS, <br />INSTALLATION OF GRILLES, TRANSOMS, OR SIMILAR MEANS. DOORS SHAD, BE UNDERCUT TO A MINIMUM <br />OF 1 J2 INCH ABOVE THE SURFACE OF THE FINISH FLOOR COVERING. <br />INDIVIDUAL RON OUTDOOR AIR INLETS SHALL; <br />1. HAVE CONTROLLABLE AND SECUREOPENINGS; <br />2. BE SLEEVED OR OTHERWISE DESIGNED SO AS NOT TO COMPROMISE THE THERMAL PROPERTIES <br />OF THE WALL OR WINDOW IN WHICH THEY ARE PLACED; <br />3, ANY INLET OR COMBINATION OF INLETS WHICH PROVIDE 10 GEM AT 10 PASCALS ARE DEEMED <br />EQUIVALENT TO 4 SQUARE INCHES NET FREE AREA, <br />VENTILATION OPENING SHALL BE SCREENED OR OTHERWISE PROTECTED FROM ENTRY BY LEAVES OR <br />OTHER MATERIAL, OPENINGS STALL BE CONTROLLABLE, R AN A BE C , SECU ABLE D SHALL DESIGNED TO <br />NOT COMPROMISE THE THERMAL PERTIES OF THE BUILDING ENVELOPE. VENTILATION OPENINGS <br />SHALT BE LOCATED SO AS NOT TO TAKE AIR FROM THE FLOWING AREAS. <br />1. CLOSER THAN 10 FEET FROM AN APPLIANCE VENT OUTLET, UNLESS SUCH VENT OUTLET IS 3 <br />FEET ABOVE THE OUTDOOR AIR INLET. <br />2. MERE IT WILL PICK UP OBJECTIONABLE ODORS, FUMES OR FLAMMABLE VAPORS. <br />3. A HAZARDOUS OR UNSANITARY LOCAT110N. <br />4. A ROOM OR SPACE HAVING ANY FUEL -BURNING APPLIANCES THEREIN. <br />5. CLOSER THAN 10 FEET FROM A VENT OPENING OF A PLUMBING DRAINAGE SYSTEM UNLESS THE <br />VENT OPENING IS AT LEAST 3 FEET ABOVE THE AIR INLET. <br />6. ATTIC, CRAM SPACES, OR GARAGES. <br />7. ASPHALT ROOFS UNLESS IT IS SHOWN THAT NO OTHER LOCATION IS PERMISSIBLE. IN SUCH <br />CASES THE INLET OPENING SHALL BE LOCATED A MINIMUM OF 2 FEET FROM THE NEAREST <br />SURFACE OF THE ASPHALT ROOFING, MEASURED FROM THE INTAKE OPENING. <br />METHOD 2, M1507.3.5.1 INTEGRATED MOLE HOUSE VENTILATION SYSTEMS. INTEGRATED <br />WHOLE- SE VENTILATION SYSTEMS MALL PROVIDE OUTDOOR AIR AT THE RATE CALCULATED <br />USING SECION M1507.3.3. INTEGRATED FORCED -AIR VENTILATION SYSTEMS MALL DISTRIBUTE <br />OUTDOOR AIR TO EACH HABITABLE SPACE THROUGH THE FORCED -AIR SYSTEM DUCTS. INTEGRATED <br />FOR -AIR VENTILATION SYSTEMS SHALL HAVE AN OUTDOOR AIR INLET DUCT CONNECTING A <br />TERMINAL, ELEMENT ON THE OUTSIDE OF THE BUILDING TO THE RETURN AIR PLENUM OF THE <br />FORCED -AIR SYSTEM, AT A POINT WITHIN 4 FEET UPSTREAM OF THE AIR HANDLER. THE OUTDOOR <br />AIR INLET DUCT CONNECTION TO THE RETURN AIR STREAM SHALL BE LOCATED UPSTREAM OF THE <br />FORCED -AIR SYSTEM BLOWER AND SHALL NOT BE CONNECTED DIRECTLY INTO A FURNACE CABINET <br />TO PREVENT THERMAL { TO THE HEAT EXCHANGER. THE SYSTEM WILL BE EQUIPPED WIN A <br />MOTORIZE DAMPER CONNECTED TO THE AUTOMATIC VENTILATION CONTROL AS SPECIFIED IN <br />SECTION M1507.3.2. THE REQUIRED FLOW RATE SHALL BE VERIFIED BY FIELD TESTING WITH A FLOW <br />HOOD OR A FLOW MEASURING STATION. <br />M1507.3.5.2 VENTILATION DUCT INSULATION. ALE SUPPLY DUCTS IN THE TINED SPACE <br />SHALL BE INSULATED TO A MINIMUM OF R-4. <br />M17.3.5,3 OUTDOOR AIR INLETS. INLETS SHALL BE SCREENED OR OTHERWISE PROTECTED FROM <br />ENTRY BY LEAVES OR OTHER MATERIAL OUTDOOR AIR INLETS SHALL BE LOCATED SO AS NOT TO <br />TAKE AIR FROM THE FOLLOWING AREAS- <br />1. CLOSER THAN 10 FEET FROM AN APPLIANCE VENT OUTLET, UNLESS SUCH VENT OUTLET IS 3 <br />FEET ABOVE THE OUTDOOR AIR INLET <br />2. MERE IT WILL PICK UP OBJECTIONABLE ODORS, FUMES OR FLAMMABLE VAPORS. <br />3. A HAZARDOUS OR UNSANITARY LOCATION. <br />4. A ROOM OR SPACE HAVING MY FUEL -BURNING APPLIANCES THEREIN. <br />5. CLOSER THAN 10 FEET FROM A VENT OPENING OF A PLUMBING DRAINAGE SYSTEM UNLESS THE <br />VENT OPENING IS AT LEAST 3 FEET ABOVE THE AIR INLET. <br />6. ATTIC, CRAWL SPACES, OR GARAGES, <br />METHOD #3, M1507.3.6, MOLE HOUSE VENTILATION USING A SUPPLY FAN. SUPPLY FAN <br />VENTILATION SYSTEMS SHALL DISTRIBUTE OUTDOOR AIR TO EACH HABITABLE SPACE T"ROUCH THE <br />FORCED -AIR SYSTEM DUCTS OR THROUGH DEDICATED DUCTS TO EACH HABITABLE SPACE. SUPPLY <br />FANS SHALL HAVE THE CAPACITY TO PROVIDE THE AMOUNT OF OUTDOOR AIR SPECIFIED IN TABLE <br />M1507.3.' 1 AT 0.40 INCITES WATER GAUGE AS PER HVI 916. THE OUTDOOR AIR MUST BE <br />FILTERED ORE IT IS DELIVERED TO HABITABLE SPACES. THE FILTER MAY BE LOCATED AT THE <br />INTAKE DEVICE, IN DINE WITH THE FAN, OR, IN THE CASE OF A CONNECTION TO THE RETURN <br />PLENUM OF THE AIR HANDLER, USING THE FURNACE FILTER. AN OUTDOOR AIR INLET SHALL BE <br />CONNECTED TO EITHER THE SUPPLY OR RETURN AIR STREAM. <br />M1507.3,6.2 DUCTS. AN OUTDOOR AIR INLET DUCT CONNECTION TO THE SUPPLY AIR STREAK SHALL <br />BE LOCATED DOWNSTREAM OF THE FORCEO-AIR SYSTEM BLOWER. IF CONNECTED TO THE RETURN AIR <br />STREAM IT SHALL BE LOCATED AT LEAST 4 FEET UPSTREAM OF THE FORCED -AIR 'SYSTEM BLOWER <br />AND ITS FILTER, NEITHER MALL BE CONNECTED DIRECTLY INTO A FURNACE CABINET. THE DUCT <br />SHALL BE SIZED IN ACCORDANCE WITH TABLE M1507.3.6.2. THE TERMINAL ELEMENT ON THE ODUTSDE <br />OF THE BUILDING MALL BE SIZED 2 INCHES DIA. LARGER THAN THE OUTDOOR AIR INLET DUCT. <br />TABLE M1507.3.6.2 <br />PRESCRIPTIVE SUPPLY FAN DUCT SIZING <br />SUPPLY FAN TESTED CF-M AT 0,40" WG <br />SPECIFIED <br />VOLUME FROM <br />TABLE <br />M1507.3.3(1) <br />MINIMUM <br />SMOOTH DUCT= <br />DIAMETER <br />MINIMUM <br />FLEXIBLE DUCT <br />DIAMETER <br />50-90cfm <br />4 [NOT _ <br />5 INCH <br />90-150cfm <br />5 INCH <br />6 INCH <br />150--120cfm <br />6INCH <br />71N0H <br />250-400cfm <br />7 INCH <br />6 INC 1 <br />M1507.3,6.3 DAMPERS. THE SYSTEM SHAsi BE EQUIPPED WITH A BACK -DRAFT DAMPER AND ONE <br />OF THE FOIa OWING: <br />1. A CALIBRATED MANUAL VOLUME DAMPER INSTALLED AND SET TO MEET THE MEASURE FLOW <br />RATES SPECIFIED IN TABLE M1507.3.3(1) BY FIEF TESTING WIN A PRESSURE GAUGE ANDIOR <br />FOLLOWING MANUFACTURER'S INSTALLATION INSTRUCTIONS; OR <br />2. A MANUAL VOLUME DAMPER INSTALLED AND SET TO MEET THE MEASURED FLOW RATES <br />SPECIFIED IN TABLE M1507.3.3(1) BY FIEW TESTING WITH A FLOW HOOD OR A FLOW MEASURING <br />STATION; OR <br />3. AN AUTOMATIC FLOW -REGULATING DEVICE° Si`UT TO THE SPECIFIED FLOW RATES IN TABLE <br />M1507.3.3(1) MICH PROVIDES CONSTANT FLOW OVER A PRESSURE RANGE OF 0.20 TO 0.60 <br />INCHES WATER GAUGE. <br />M1507.3.6,4 VENTILATION DUCT INSULATION. ALL SUPPLY DUCTS IN THE CONDITIONED SPACE <br />SHALL BE INSULATED TO A MINIMUM OF R-4. <br />M1507.3.6.5 OUTDOOR AIR INLETS. INLETS SHALL BE SCREENED OR OTHERWISE PROTECTED FROM <br />ENTRY BY LEAVES OR OTHER MATERIAL., OUTDOOR AIR INLETS SHALE BE LOCATED SO AS NOT TO <br />TAKE AIR. FROM THE FOI 0Q NC AREAS: <br />1, CLOSER THAN 10 FEET FROM AN APPLIANCE VENT OUTLET, UNLESS SUCH VENT OUTLET IS 3 <br />FEET ABOVE THE OUTDOOR AIR INLET. <br />2. MERE IT WILL PICK UP OBJECTIONABLE ODORS, FUMES OR FLAMMABLEF VAPORS. <br />3. A HAZARDOUS OR UNSANITARY LOCATION. <br />4. A ROOM OR SPACE HAVING ANY FUEL -BURNING APPLIANCES THEREIN. <br />5. CLOSER THAN 10 FEET FROM A VENT OPENING OF A PLUMBING DRAINAGE SYSTEM UNLESS THE <br />VENT OPENING IS AT II FAST 3 FEET ABOVE THE AIR INLET, <br />. ATTIC, CRAWL SPACES, OR GARAGES. <br />SOLID FUEL NAMING APPLIANCES (INUDING WOOD STOVES, ROOM HEATERS, FACTORY MILT <br />FIREPLACES, FIREPLACE" INSERTS, AND MASONRY HEATERS) SHALL COMPLY WITH THE PROVISIONS <br />OF IMC, CHAPTERS 3 AND 9, AND IRC CHAPTER 10. <br />SOLID FUEL BURNING APPLIANCES SHAD BE PROVIDED BOTH TIGHT FITTING METAL OR CERAMIC <br />GLASS DOORS AND ME OF THE FOLLOWING; <br />1. A SOURCE FROM OUTSIDE THE STRUCTURE OF PRIMARY COMBUSTION AIR, CONNECTED TO THE <br />APPLIANCE AS PER MANUFACTURER'S SPECIFICATION. THE AIR INLET SHALL ORIGINATE AT A POINT <br />BELOW THE FIRE BOY, THE DUCT SHALL BE 4 INCHES OR GREATER IN DIAMETER, NOT EXCEED 20 <br />FEET IN LENGTH, AND BE INSTALLED AS PER MANUFACTURER'S INSTRUCTIONS; <br />2. THE APPLIANCE AND MANUFACTURER'S RECOMMENDED COMBUSTION AIR SUPPLY, AS AN <br />INSTALLED UNIT, SHALL BE CERTIFIED BY AN INDEPENDENT TESTING LABORATORY TO HAVE PASSED <br />TEST NO, II -NEGATIVE PRESSURE TEST, SECTION 12.3, OF ULC 627-M1964 "SPACE HEATERS <br />FOR USE 'NTH SOLID FUELS." <br />FIREPLACES SHAD BE PROVIDED WITH READILY ACCESSIBLE MANUAL OR APPROVED AUTOMATIC <br />TIGHT nTONG FLUE DAMPERS, EXCEPT FIREPLACES WITH GAS LOGS MUST COMPLY WITH IMC 901 <br />OR LIQUEFIED PETROLEUM GAS INSTALLATIONS SHALL BE PER NFPA 58 AND 54. A 6 SQ. IN. <br />OUTSIDE SOURCE FOR COMBUSTION AIR SHALL BE PROVIDED WHIT AN OUTSIDE AIR DUCT DAMPER <br />(EXCEPTION: WA CERTIFIED FIREPLACES MALL.. BE INSTALLED WITH THE COMBUSTION AIR SYSTEM <br />NECESSARY FOR TH R SAFE AND EFFICIENT COMBUSTION AS SPECIFIED BY THE MANUFACTURER). <br />SITE BUILT FIREPLACES SHALL HAVE TINT FITTING GLASS OR METAL DOORS, OR A FLUE DRAFT <br />INDUCTION FAN OR AS APPROVED FOR MINIMIZING BACK -DRAFTING. FACTORY BUILT FIREPLACES <br />SHALL USE DOORS LISTED FOR THE INSTALLED APPLIANCE. <br />CITY OF EVERETT <br />FOR PERMIT <br />COPYRIGHT* 2-019 OF -SIGN LINES, INC., ALL RIGHTS RESERVED. THE USE OF THIS SHEET IS <br />EXCLUSIVELY FOR THE CLIENTS OF DESIGN [LINES, INC. AND ONLY FOR THE PARTICULAR PROJECT <br />FOR WHICH THE PRINTS WERE ISSUED. USE OR REUSE OF THIS SHEET FOR ANY OTHER PROJECT IS <br />STRICTLY FORBIDDEN AND SUBJECT TO PENALTY OF LAW. <br />I <br />tj 5 <br />209 <br />R <br />- <br />■ <br />MR <br />M <br />Ly <br />® L <br />0 of <br />® <br />c� <br />00 <br />U) z <br />of En <br />sew <br />Ld <br />s <br />ry <br />00 <br />cq <br />00 <br />�I <br />Go <br />