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MECHANICAL NOTES LEGEND ABBREVIATIONS m
<br /> GENERAL: 6. ALL SUSPENDED STEEL PIPING SHALL BE SUPPORTED AS FOLLOWS: TS TEMPERATURE SENSOR ACM AREA CONSTRUCTION MANAGER
<br /> 1. ALL WORK PERFORMED SHALL BE IN ACCORDANCE WITH ALL LOCAL CCDES AND 15. ALL COVERINGS, LININGS AND ADHESIVES (TAPES, ETC.) SHALL HAVE A SIZE MAX. HORIZ. SPACING AX.M VERT. SPACING
<br /> ACCEPTABLE TO THE AUTHORITY HAVING JURISDICTION. FLAME-SPREAD INDEX NOT GREATER THAN 25 AND A SMOKE-DEVELOPED INDEX 1 2 6 Fr 6 FT k
<br /> 2. ALL DIMENSIONS, CLEARANCES AND TOLERANCES SHALL BE VERIFIED PRIOR TO A NOT GREATER THAN 50. 3 4 TO 1 8 Fr. - 8 FT. ®T AVERAGING TEMPERATURE SENSOR B.J. BELOW JOISTS 2p
<br /> INSTALLATION. 16. DUCT-MOUNTED SMOKE DETECTORS, PROVIDED BY ROOFTOP UNIT MANUFACTURER, 12l 1 4 10 FT. 10 FT. R 5
<br /> SHALL BE INSTALLED IN SYSTEMS WITH DESIGN CAPACITY GREATER THAN 2,000 CFM. CO2 SENSOR FOR ROOFTOP UNIT a m
<br /> 3. ALL MATERIALS, FIXTURES AND EQUIPMENT USED SHALL BE IN ACCORDANCE WITH SEE MECHANICAL DRAWINGS FOR LOCATIONS OF SMOKE DETECTORS. ®0 DEMAND CONTROL VENTILATION BSI BEVERAGE SYSTEM INSTALLER cn
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<br /> McDONALD'S SPECIFICATIONS. SPECIFICATIONS ARE CONTAINED WITHIN THESE DUCT-MOUNTED SMOKE DETECTORS ARE NOT REQUIRED WHEN THE BUILDING IS 7. GAS PIPING SHALL NOT PENETRATE ANY FIRE-RATED CHASE OR SHAFT, DUCTWORK W �
<br /> DRAWINGS AND THE McDONALD'S PROJECT MANUAL. ANY CONTRACTOR IN NEED OF PROTECTED THROUGHOUT BY AREA SMOKE DETECTORS CONNECTED TO A FIRE OR PLENUM. p 'g
<br /> A COPY OF THE McDONALD'S PROJECT MANUAL SHALL CONTACT THE MCDONALD'S ALARM SYSTEM WHERE THE FIRE ALARM SYSTEM IS DESIGNED TO SHUT DOWN THE HS HUMIDITY SENSOR DCV DEMAND CONTROL VENTILATION Q:
<br /> AREA CONSTRUCTION MANAGER. ANY VARIANCE FROM THE McDONALD'S ROOFTOP UNITS. 8. ALL NATURAL GAS PIPING INSTALLED OUTDOORS SHALL BE COATED WITH A a
<br /> CORROSION RESISTANT PAINT. PAINT COLOR SHALL BE ORANGE OR YELLOW.
<br /> SPECIFICATIONS SHALL BE REVIEWED AND APPROVED BY THE ENGINEER-OF-RECORD. 17 ALL SUPPLY AIR DIFFUSERS SHALL BE INSULATED TO PREVENT CONDENSATION. O THERMOSTAT E.A. EXHAUST AIR
<br /> 4. ALL EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE WITH ITS LISTING AND/OR 9. ALL INTAKE AND VENT PIPING FOR SEALED-COMBUSTION WATER HEATERS SHALL BE
<br /> 18. ALL AIR DEVICES LOCATED A DRYWALL CEILINGS SHALL BE SUPPLIED WITH AN PVC FA ABS, SHALL BE SIZED AND INSTALLED IN ACCORDANCE WITH THE
<br /> THE MANUFACTURER'S INSTALLATION INSTRUCTIONS.
<br /> INTEGRAL VOLUME DAMPER ACCESSIBLE FROM THE AIR DEVICE FACE TO FACILITATE MANUFACTURER'S INSTRUCTIONS AND SHALL BE INSTALLED BY THE PLUMBING O w
<br /> 2 SMOKE DETECTOR EC ELECTRICAL CONTRACTOR W
<br /> 5. SEE COORDINATION SCHEDULE FOR ADDITIONAL SCOPE OF WORK. BALANCING. CONTRACTOR. ¢ n
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<br /> 19. ALL OUTDOOR AIR INTAKES SHALL BE LOCATED A MINIMUM OF 10 FT. HORIZONTALLY 10. ALL WATER HEATER VENTS SHALL BE LOCATED A MINIMUM OF 10 Fr. HORIZONTALLY KH vl
<br /> 6. PRIOR TO BUILDING TURNOVER, A COMPLETE STARTS. TEST,ADJUST AND BALANCE e EQUIPMENT TAG FAC FIRE ALARM CONTRACTOR > p
<br /> SHALL BE PERFORMED ON ALL MECHANICAL SYSTEMS. THIS WORK SHALL BE FROM ANY SOURCE S, CONTAMINATION SUCH MI EXHAUST FANS, PLUMBING VENTS, FROM ANY OUTDOOR AIR INTAKE. WHERE A WATER HEATER VENT IS LOCATED 2 W
<br /> PERFORMED BY A CERTIFIED TEST AND BALANCE CONTRACTOR. A CERTIFIED TEST WATER HEATER FLUES, ETC. WHERE A CONTAMINANT SOURCE IS LOCATED WITHIN WITHIN 10 ET. E AN INTAKE, THE FLUE OR VENT SHALL TERMINATE A MINIMUM OF
<br /> AND BALANCE CONTRACTOR CAN BE FOUND BY VISITING: Fr.FF. OF AN INTAKE, THE INTAKE OPENING SHALL BE LOCATED A MINIMUM OF 2 2 FT. ABOVE THE INTAKE. FT i
<br /> FT. BELOW THE CONTAMINANT SOURCE. R-1 DIFFUSER INFORMATION FOB FLAT ON BOTTOM
<br /> H7rP://WWW.AABCHQ.COM/DIRECTORY 11. UPON COMPLETION OF INSTALLATION, THE GAS PIPING SYSTEM SHALL BE PURGED CFM LINE 1: TAG Professional of Record:
<br /> 1750
<br /> HTTP://WWW.NEBB.ORG/DIRECTORY.HTM OF DELETERIOUS MATERIAL AND SHALL BE PRESSURE TESTED. PRESSURE TESTING LINE 2: AIRFLOW
<br /> HTrP://WWW.TABBCERTIFIED.ORG/SITE/CONTENT/CONTRACTORS/SEARCH 20. ALL ROOFTOP CONDENSING UNITS THAT DISCHARGE HORIZONTALLY SHALL BE SHALL BE PERFORMED WITH THE EQUIPMENT SHUT-OFF VALVES IN THE CLOSED 180 LINE 3: NECK SIZE FOT FLAT ON TOP
<br /> ORIENTED SUCH THAT THE DISCHARGE DOES NOT BLOW IN THE DIRECTION OF AN POSITION TO PROTECT EQUIPMENT FROM DAMAGE DUE TO EXCESSIVE PRESSURE.
<br /> 7. UPON COMPLETION OF THE PUNCHLIST,THE MECHANICAL CONTRACTOR AND TEST OUTDOOR AIR INTAKE. PAM
<br /> AND BALANCE CONTACTOR SHALL SUBMIT REDLINED OR AS-BUILT DRAWINGS ALONG 12. AFTER THE PRESSURE TEST HAS BEEN COMPLETED AND ANY LEAKS REMEDIED, THE FPC FIRE PROTECTION CONTRACTOR
<br /> WITH THE TEST AND BALANCE REPORT AND ALL EQUIPMENT OPERATION AND COMMERCIAL KITCHEN EXHAUST SYSTEMS: INSTALLING CONTRACTOR SHALL MEASURE AND VERIFY THE FOLLOWING GAS
<br /> MAINTENANCE MANUALS TO THE MCDONALD'S AREA CONSTRUCTION MANAGER. A 1. ALL METAL DUCTWORK USED FOR THE CONVEYANCE OF GREASE-LADEN AIR SHALL PRESSURES WHILE EQUIPMENT IS IN OPERATION: SUPPLY AIR DUCT (VERTICAL) DESIGN
<br /> MINIMUM OF TWO (2) COPIES SHALL BE PROVIDED, ONE (1) FOR REGIONAL BE CONSTRUCTED OF MINIMUM 18 GAUGE STAINLESS STEEL OR 16 GAUGE CARBON A. GRILL- 6"W.C. NATURAL, 14"W.C. LP. GC GENERAL CONTACTOR
<br /> RECORDS AND ONE (1) FOR THE RESTAURANT. STEEL(BLACK IRON). B. FRYER - 6"W.C. NATURAL, 14"W.C. L.P. Architectural
<br /> C. WATER HEATER - 6"W.C. NATURAL, 14"W.C. L.P. Solutions Group
<br /> 8. ALL PENETRATIONS OF FIRE-RATED WALLS SHALL BE FIRESTOPPED WITH AN 2. ALL GREASE EXHAUST DUCTWORK JOINTS SHALL BE EITHER TELESCOPING OR BELL D. HVAC UNIT - 7"W.C. NATURAL, 14"W.C. L.P.
<br /> TYPE. BUTT-WELDED JOINTS ARE PROHIBITED. I.D. INSIDE DIMENSION
<br /> APPROVED AND LISTED FIRESTOPPING SYSTEM. RETURN OR EXHAUST AIR DUCT 1940140TH AVE W
<br /> 3. ALL GREASE EXHAUST DUCTWORK SEAMS AND JOINTS SHALL BE CONTINUOUSLY 13. IF THE MINIMUM PRESSURES ARE NOT MET, THIS SHALL BE IMMEDIATELY REPORTED (VERTICAL) SUITE 420
<br /> VENTILATION SYSTEMS: TO THE MCDONALD'S AREA CONSTRUCTION MANAGER. KEI KITCHEN EQUIPMENT INSTALLER LYNNWOOD,WA 98036
<br /> 1. ALL SHEET METAL DUCTWORK SHALL BE FABRICATED AND INSTALLED IN WELDED WATER-TIGHT ON THE EXTERNAL SURFACE OF THE DUCT SYSTEM. ALL
<br /> ACCORDANCE WITH LOCAL CODES AND SMACNA STANDARDS. WELDING SHALL BE PERFORMED BY A CERTIFIED WELDER. CONDENSATE PIPING:
<br /> MP'NE:(GLICNA-P.E.
<br /> PHONE(d15)516-]8e2
<br /> D WITH A ASTM 1. CONDENSATE PIPING SHALL BE GALVANIZED STEEL, COPPER OR PVC. EMPJL: NE:
<br /> 2. ALL DUCTWORK DIMENSIONS ARE INTERNAL FREE AREA DIMENSIONS AND SIZED FOR 4. EALL 2336RLISTED AND LABELED GREASED UCTTLL EENCLOSU EL SYSTEM.TEN INSULATION SHALL ROUND DUCT (VERTICAL) KES KITCHEN EQUIPMENT SUPPLIER
<br /> 0.08"W.C. PER 100 FF. OF DUCT. 2 PVC PIPE SHALL BE PAINTED WITH WATER BASED LATEX
<br /> BE INSTALLED IN ACCORDANCE WITH ITS LISTING AND THE MANUFACTURERLATEXPAINTING TO RESIST
<br /> DEGRADATION FROM ULTRAVIOLET EXPOSURE.3. ALL SHEET METAL DUCTWORK SHALL BE CONSTRUCTED IN ACCORDANCE WITH INSTALLATION INSTRUCTIONS. SS STEADY-STATE SPEED CONTROLLER M.A. (S) MIXED AIR - SUMMER
<br /> SMACNA TABLES FOR 2" W.C. AND SHALL BE SUPPORTED WITH AN APPROVED ACCESS PANELS SHALL BE PROVIDED AT ALL CHANGES IN DIRECTION OF THE 3. PIPE SUPPORTS SHALL BE RPS MODEL PMP-2 OR EQUAL. QUANTITY AS REQUIRED
<br /> 5.
<br /> HANGER AT INTERVALS NOT EXCEEDING 10 Fr. DEPENDANT UPON PIPING MATERIAL.
<br /> GREASE EXHAUST DUCTWORK SYSTEM. ACCESS PANELS SHALL BE INSTALLED IN M.A. (W) MIXED AIR - WINTER
<br /> 4. ALL DUCT DROPS INTO THE BUILDING SHALL BE INSTALLED WITH FLEXIBLE ACCORDANCE WITH THE INSULATION MANUFACTURER'S INSTALLATION INSTRUCTIONS 4. PIPING SHALL BE SUPPORTED AS FOLLOWS: PLAQUE DIFFUSER (SHADED AREA
<br /> CONNECTIONS TO ISOLATE THE DUCTWORK SYSTEM FROM NOISE AND VIBRATION. AND SHALL BE LABELED AS FOLLOWS: ACCESS PANEL- DO NOT OBSTRUCT". -_� - DESIGNATES BLANK-OFF PANEL
<br /> MATERIAL MAX. HORIZ. SPACING MAX. VERT. SPACING LOCATION)
<br /> FLEXIBLE CONNECTIONS SHALL BE TESTED IN ACCORDANCE WITH UL 181 AND MC MECHANICAL CONTRACTOR
<br /> LISTED AS CLASS 0 OR CLASS 1. 6. ALL HORIZONTAL GREASE EXHAUST DUCTWORK SHALL BE INSTALLED WITH A MINIMUM COPPER PIPE 12 FT. 10 FT.
<br /> 1/4" PER FOOT SLOPE AND SHALL BE PITCHED BACK TOWARD THE HOOD. GALVANIZED STEEL 12 Fr. 15 FT.
<br /> 5. ALL DUCT DROPS INTO THE BUILDING SHALL BE OFFSET AS NECESSARY TO ALLOW IPVC 4 Fr. 1 15 Fr. Li O.A. OUTDOOR AIR 0000000
<br /> FOR THE CLEAR INSTALLATION OF THE EXTERNAL DUCTWORK INSULATION. 7 ANY PARAPEPBLAST TTCHEN WALL OHAUST FANS SHALL R ADJACENT STRUCTURE ANDLOCATED
<br /> SHALL11NIMUM OF 6 Fr.TERM TERMINATE A MINIMUMFROM
<br /> OF 5. CONDENSATE PIPING SHALL SLOPE A MINIMUM OF Ya- PER FOOT. LINEAR SLOT DIFFUSER 0000�`..MA^/G'000
<br /> 6. ALL DUCTWORK BRANCHES THAT SERVE A SINGLE DIFFUSER SHALL BE SUPPLIED 40 INCHES ABOVE THE FINISHED ROOFING MATERIAL. O.D. OUTSIDE DIMENSION 0-104
<br /> FWASHWITH A VOLUME DAMPER FOR BALANCING. BRANCHES THAT SERVE MULTIPLE 6. CONDENSATE PIPING SHALL BE SIZED BASED ON THE FOLLOWING:
<br /> DIFFUSERS, THE BALANCING IS HANDLED VIA REMOTE DAMPER INSTALLED NEAR THE REFRIGERANT PIPING:DIFFUSER. REFER TO M1.2 FOR DAMPER LOCATIONS. VOLUME DAMPER SHALL HAVE 1. ALL REFRIGERATION WORK SHALL BE PERFORMED BY A CERTIFIED REFRIGERATION TOTAL TONS SERVED MINIMUM PIPE A 2" OFFSET TO ACCOMMODATE EXTERNAL INSULATION. CONTACTOR. BY PIPE SIZE 0/0 OWNER/OPERATOR
<br /> <20 TONS 3 4 00 R �O. 000
<br /> 7. TAKE-OFFS FROM RECTANGULAR TO ROUND DUCT SHALL BE DUCTMATE 2. ALL REFRIGERANT PIPING SHALL BE SEAMLESS COPPER TUBING OF TYPE L IN >20 TONS, <40 TONS 1^ LOUVERED FACE DIFFUSER OO 000O00000 2�
<br /> STRAIGHT-SIDED OR CENTER HIGH-EFFICIENCY TAKE-OFFS WITH A 2" DAMPER ACCORDANCE WITH ASTM B 88 AND ALL JOINTS SHALL BE SOLDERED. >40 TONS, <125 TONS 1 1 2 PC PLUMBING CONTRACTOR
<br /> STAND-OFF TO ACCOMMODATE FOR EXTERNAL INSULATION. 3. ALL REFRIGERANT SUCTION LINES SHALL BE INSULATED WITH A MINIMUM 1" FOAM Seal
<br /> 8. ALL DUCTWORK JOINTS, LONGITUDINAL AND TRANSVERSE SEAMS SHALL BE SEALED PIPE INSULATION. PIPE INSULATION INSTALLED OUTDOORS SHALL BE PROTECTED R.A. RETURN AIR ,m
<br /> WITH WELDS, GASKETS, MASTICS (ADHESIVES), TAPES, ETC. ALL SEALANT MATERIALS WITH AN APPROVED WEATHERPROOFING MATERIAL. 1. Em H
<br /> SHALL BE LISTED IN ACCORDANCE WITH UL 181A OR 181 B. CEILING-MOUNTED EXHAUST FAN '1 Z.00 o e o
<br /> 4. ALL SUSPENDED REFRIGERANT PIPING SHALL BE SUPPORTED AS FOLLOWS: RC REFRIGERATION CONTRACTOR `� V
<br /> 9. ALL SUPPLY AND RETURN SHEET METAL DUCTWORK LOCATED WITHIN THE CEILING MATERIAL MAX. HORIZ. SPACING MAX. VERT. SPACING _ J s 8`
<br /> SPACE SHALL BE EXTERNALLY INSULATED. INSULATION SHALL BE 2"THICK COPPER TUBING <1 i 4 6 Fr. 10 FT. -a
<br /> MICROUTE FSK-100 BY JOHNS MANVILLE OR EQUAL. COPPER TUBING Z1 1 2 10 FT. 10 FT. SPIN-IN COLLAR WITH VOLUME J °E o° 'o 0 0
<br /> DAMPER S.A. SUPPLY AIR m m Eorc`
<br /> 10. ALL SUPPLY AND RETURN SHEET METAL DUCTWORK LOCATED OUTSIDE OF THE s
<br /> BUILDING SHALL BE INTERNALLY LINED WITH A 1"THICK FIBERGLASS (MIN. R-4.2) 5. ALL REFRIGERANT PIPING SHALL BE SIZED PER EQUIPMENT MANUFACTURER'S e m
<br /> AND EXTERNALLY INSULATED WITH A 2"THICK RIGID POLYSTYRENE, POLYURETHANE RECOMMENDATIONS. �U VOLUME DAMPER S.P. STATIC PRESSURE E'5 5�
<br /> OR POLYISOCYANURATE BOARD (MIN. R-8 FOR CLIMATE ZONES 1 THROUGH 4, OR
<br /> 6. PRE-CHARGED E ARE NOT PERMITTED AS LINES WILL MOST LIKELY NEED TO TH AP ® _�`o o`oa u
<br /> THE APPLICATION AND REFRIGERANT WILL NEED TO BE RECLAIMED.
<br /> INSULATION SHALL BE LINATEX BY JOHNS MANVILLE OR EQUAL. EXTERNAL RIGID FLEXIBLE DUCTWORK MC TEST AND BALANCE CONTRACTOR H.
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<br /> BOARD INSULATION SHALL BE THERMAPINK BY OWENS CORNING OR EQUAL. 7. ALL PIPE INSULATION SHALL BE PROTECTED FROM DAMAGE FROM PIPE HANGERS.
<br /> PROTECTION SHALL BE LIGHT GAUGE GALVANIZED STEEL OR EQUAL. - 120 SHEET METAL DUCTWORK W/DIA. SIZE
<br /> 11. FOR APPLICABLE SITUATIONS OR PLAYPLACE ADDITIONS: ALL EXPOSED SPIRAL
<br /> DUCTWORK SHALL BE INTERNALLY INSULATED TO PREVENT CONDENSATION (MIN. 8. ALL REFRIGERANT PIPING SYSTEMS SHALL BE PRESSURE TESTED FOR LEAKS PRIOR m 8v lS
<br /> R-4.3). INTERNAL INSULATION SHALL BE i"THICK SPIRACOUSTIC PLUS BY JOHNS TO START-UP. ALL LEAKS SHALL BE REMEDIED PRIOR TO BUILDING TURNOVER. = m .2 c �w
<br /> MANVILLE OR EQUAL. C) a
<br /> 9. ALL PIPING SHALL MEET MINIMUM INSULATION THICKNESS PER THE TABLE BELOW: PERFORATED FACE DIFFUSER - °p=
<br /> 12. ALL DUCTWORK PENETRATIONS THROUGH FIRE-RATED WALLS, BARRIERS OR z E
<br /> PARTITIONS SHALL BE PROTECTED WITH A FIRE DAMPER. THE PERIMETER OF THE PIPING MINIMUM INSULATION THICKNESS (IN INCHES) (� m A°m g m S
<br /> PER NOMINAL PIPE OR TUBE SIZE
<br /> FIRE DAMPER SHALL BE FIRESrOPPED WITH AN APPROVED AND LISTED FIRESTOPPING _ a ..
<br /> �s`mS
<br /> MATERIAL. NOMINAL PIPE SIZE <1 1 TO 1.5 1.5 TO <4 4 TO <8 >8
<br /> LIQUID REFRIGERATION <40'F 0.5 1.0 1.0 1.0 s m c c.o m Q
<br /> 13. ALL EXTERIOR SHEET METAL DUCTWORK SHALL BE EXTERNALLY WRAPPED WITH AN ® � ;mY„`
<br /> APPROVED WEATHERPROOFING MATERIAL TO PROTECT AGAINST WATER PENETRATION SUCTION REFRIGERATION <40'F) 0.5 1.0 1.0 1.0 1.5 SHEET METAL TEE WITH CAP �'m
<br /> AND CORROSION. SIDES AND TOP OF EXTERNAL WEATHERPROOFING SHALL BE 8 Stmz m
<br /> ,. ALUMAGUARD 60 MIL UV BARRIER BY POLYGUARD OR EQUAL. BOTTOM OF CO2 DETECTION EQUIPMENT:
<br /> = EXTERNAL WEATHERPROOFING SHALL BE VAPORGUARD 5 MIL MEMBRANE BY 1. THE CO2 DETECTOR SHALL BE HARD-WIRED TO PREVENT TAMPERING AND SHALL BE
<br /> o POLYGUARD OR EQUAL. INSTALLED AT 12"A.F.F. WITHIN A 5 FT. RADIUS OF THE CO2 STORAGE TANKS. a a
<br /> u 14. ALL FLEXIBLE DUCTWORK, METALLIC AND NONMETALLIC, SHALL CONFORM TO THE 2. ONE (1) AUDIBLE AND ONE (1) VISUAL ALARM SHALL BE INSTALLED A MINIMUM OF \ \yo r,s yo
<br /> FOLLOWING: 7 Fr. A.F.F., IN PLAIN SIGHT IN THE SAME ROOM AS THE CO2 STORAGE TANKS.
<br /> A. 2"THICK INSULATION (R-6.0) SEE NOTE#9 AND TABLE(S) BELOW:
<br /> w CLIMATE ZONES 3. ONE (1) AUDIBLE AND ONE (1) VISUAL ALARM SHALL BE INSTALLED A MINIMUM OF 4w o o
<br /> DUCT LOCATION: UNCONDITIONED SPACE
<br /> 1 THROUGH 8 7 FT. A.F.F., AT THE BACK OF THE KITCHEN AND IN PLAIN SIGHT FROM THE MAIN
<br /> $ DUCTWORK CLASSIFICATION PRESSURE SEAL CLASS INSULATION SIDE OF THE PREP LINE.
<br /> o SUPPLY 2.00 W.C. A TYPE A (R-6) 4, THE CO2 EXTERIOR STROBE SHALL BE INSTALLED AS SHOWN ON SHEET A2.0,
<br /> j RETURN -2.00"W.C. A TYPE A (R-6) (DETAIL 2) AND ON SHEET E1.1. THE INSIDE AUDIBLE AND VISUAL ALARM SHALL BE
<br /> EXHAUST -2.00"W.C. A *)TYPE A (R-6) INSTALLED INSIDE THE CO2 CLOSET, AND IN THE SUPPORT/BACK-OF-THE HOUSE
<br /> ANGER SUPPORTS EVERY 6 FT. 1"TYPE B LOCATION AS SHOWN ON SHEETS E1.1 AND E3.0.
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<br /> 3 DUCT LOCATION: EXTERIOR (INCLUDES ATTICS CLIMATE ZONES CLIMATE ZONES NATURAL GAS SYSTEMS:
<br /> 3 1. ALL GAS PIPING, WATER HEATER VENTS, INTAKES AND FLUES SHALL CONFORM TO 3
<br /> ABOVE INSULATED CEILINGS AND CRAWL SPACES. 1 THROUGH 4 5 THROUGH 8 THE CURRENT VERSION OF NFPA 54, NATIONAL FUEL GAS CODE, AND ANY LOCAL
<br /> w DUCTWORK CLASSIFICATION PRESSURE SEAL CLASS INSULATION INSULATION
<br /> CODE REQUIREMENTS.
<br /> SUPPLY 2.00"W.C. A TYPE A (R-8) TYPE A R-12) '
<br /> w RETURN -2.00 W.C. A TYPE A R-B) TYPE A (R-12 2. THE NATURAL GAS MAIN PIPE SIZING IS BASED ON THE FOLLOWING:
<br /> � EXHAUST -2.00" W.C. A (*)TYPE A R-8) (*)TYPE A (R-12) A. MINIMUM SUPPLY PRESSURE AT THE METER OF 2 PSIG N 3
<br /> B. 1 PSIG PRESSURE DROP FROM METER TO FARTHEST APPLIANCE z
<br /> HANGER SUPPORTS EVERY 6 FT. 1"TYPE B C. 1,000 BTU PER CU. FT. OF NATURAL GAS
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<br /> (*) EXHAUST DUCTWORK IS ONLY REQUIRED TO BE INSULATED WITHIN 2-FEET OF 3. GAS PIPING RUN-OUTS TO EQUIPMENT ARE SIZED BASED ON THE FOLLOWING:
<br /> m ROOF PENETRATION. REFER TO "COMMERCIAL KITCHEN EXHAUST SYSTEMS", NOTE#4 A. SUPPLY PRESSURE AT THE REGULATOR OF 10"W.C. (1/4 PSIG) Z
<br /> Z
<br /> S FOR FIRE WRAPPING REQUIREMENTS ON KITCHEN GREASE DUCTWORK. B. 10.5",0 W.C. PRESSURE DROP FROM REGULATOR TO FARTHEST APPLIANCE � W m
<br /> C. 1,000 BTU PER CU. FT. OF NATURAL GAS Q Lr o
<br /> B. INTEGRAL VAPOR BARRIER 4. ALL NATURAL GAS PIPE SHALL BE SCHEDULE 40 CARBON STEEL PIPE WITH O n o
<br /> C. LISTED AND LABELED UL 181, CLASS 0 OR CLASS 1 MALLEABLE IRON FTfiINGS AND SHALL BE COMPLY TO ONE OF THE FOLLOWING w p W o O
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<br /> oD. INSTALLED IN ACCORDANCE WITH: STANDARDS: ASME B36.10, 1OM; ASTM A 53; OR ASTM A 106. F W `� `Us o
<br /> o i. SMACNA STANDARDS, Lt7
<br /> o ii. AIR DIFFUSION COUNCIL INSTALLATION GUIDELINES, AND/OR 5. NATURAL GAS PRESSURE REGULATORS SHALL BE MAXITROL 325 SERIES OR EQUAL.
<br /> a ill. MANUFACTURER'S INSTALLATION INSTRUCTIONS
<br /> 0 0 V u � M
<br /> w 14. FLEXIBLE DUCTWORK SHALL NOT PENETRATE WALLS. SHEET METAL DUCTWORK IS 2 ® N
<br /> REQUIRED AT ALL FIRE-RATED AND DRAFFSTOP WALL PENETRATIONS. 0 y GENERAL NOTES 0
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