Laserfiche WebLink
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 CODES AND 15. ALL COVERINGS, LININGS AND ADHESIVES (TAPES, ETC.) SHALL HAVE A SIZE MAX. HORIZ. SPACING MAX. VERT. SPACING Z <br /> ACCEPTABLE TO THE AUTHORITY HAVING JURISDICTION. FLAME-SPREAD INDEX NOT GREATER THAN 25 AND A SMOKE-DEVELOPED INDEX C,1/2" 6 FT. 6 FT. <br /> NOT GREATER THAN 50. 3 4"" TO 1" 8 FT. 8 FT. AT AVERAGING TEMPERATURE SENSOR B.J. BELOW JOISTS 2 Q O j <br /> 2. ALL DIMENSIONS, CLEARANCES AND TOLERANCES SHALL BE VERIFIED PRIOR TO / � <br /> INSTALLATION. 16. DUCT-MOUNTED SMOKE DETECTORS, PROVIDED BY ROOFTOP UNIT MANUFACTURER, >1 1/4 10 FT. 10 FT]�j <br /> SHALL BE INSTALLED IN SYSTEMS WITH DESIGN CAPACITY GREATER THAN 2,000 CFM. CO2 SENSOR FOR ROOFTOP UNIT a mi- <br /> 3. ALL MATERIALS, FIXTURES AND EQUIPMENT USED SHALL BE IN ACCORDANCE WITH SEE MECHAN DEMAND CONTROL VENTILATION <br /> ICAL DRAWINGS FOR LOCATIONS OF SMOKE DETECTORS. BSI BEVERAGE SYSTEM INSTALLER y <br /> U <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 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 <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 W <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 /> SPECIFICATIONS SHALL BE REVIEWED AND APPROVED BY THE ENGINEER-OF-RECORD. CORROSION RESISTANT PAINT. PAINT COLOR SHALL BE ORANGE OR YELLOW. C, <br /> 17. ALL SUPPLY AIR DIFFUSERS SHALL BE INSULATED TO PREVENT CONDENSATION. OT 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 /> THE MANUFACTURER'S INSTALLATION INSTRUCTIONS. 18. ALL AIR DEVICES LOCATED IN DRYWALL CEILINGS SHALL BE SUPPLIED WITH AN PVC FA ABS, SHALL BE SIZED AND INSTALLED IN ACCORDANCE WITH THE <br /> INTEGRAL VOLUME DAMPER ACCESSIBLE FROM THE AIR DEVICE FACE TO FACILITATE MANUFACTURER'S INSTRUCTIONS AND SHALL BE INSTALLED BY THE PLUMBING O N N N <br /> 2 SMOKE DETECTOR EC ELECTRICAL CONTRACTOR W I I I <br /> BALANCING. CONTRACTOR. cw <br /> 5. SEE COORDINATION SCHEDULE FOR ADDITIONAL SCOPE OF WORK. ¢O <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 FT. HORIZONTALLY KH <br /> 6. PRIOR TO BUILDING TURNOVER, A COMPLETE START-UP, TEST, ADJUST AND BALANCE EQUIPMENT TAG FAC FIRE ALARM CONTRACTOR p p <br /> SHALL BE PERFORMED ON ALL MECHANICAL SYSTEMS. THIS WORK SHALL BE <br /> FROM ANY SOURCE S, CONTAMINATION SUCH MI EXHAUST FANS, PLUMBING VENTS, FROM ANY OUTDOOR AIR INTAKE. WHERE A WATER HEATER VENT IS LOCATED 2 <br /> WATER HEATER FLUES, ETC. WHERE A CONTAMINANT SOURCED LOCATED WITHIN WITHIN TO ET. E NT INTAKE, THE FLUE OR VENT SHALL TERMINATE A MINIMUM OF a a <br /> PERFORMED BY A CERTIFIED TEST AND BALANCE CONTRACTOR. A CERTIFIED TEST W I <br /> AND BALANCE CONTRACTOR CAN BE FOUND BY VISITING: FF. <br /> FT. OF AN INTAKE, THE INTAKE OPENING SHALL BE LOCATED A MINIMUM OF 2 2 FT. ABOVE THE INTAKE. <br /> FT. BELOW THE CONTAMINANT SOURCE. R-1 DIFFUSER INFORMATION FOB FLAT ON BOTTOM <br /> HTTP://WWW.AABC11Q.COM/DIRECTORY 11. UPON COMPLETION OF INSTALLATION, THE GAS PIPING SYSTEM SHALL BE PURGED LINE 1: TAG Professional of Record: <br /> HTTP: WWW.N EBB.ORG DIRECTORY.HTM 1750 CFM <br /> // / OF DELETERIOUS MATERIAL AND SHALL BE PRESSURE TESTED. PRESSURE TESTING LINE 2: AIRFLOW <br /> HTTP://WWW.TABBCERTIFI ED.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 TOT 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. PM <br /> AND BALANCE CONTRACTOR 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) TO <br /> 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. L.P. GC GENERAL CONTRACTOR <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. 1.D. INSIDE DIMENSION <br /> APPROVED AND LISTED FIRESTOPPING SYSTEM. TYPE. BUTT-WELDED JOINTS ARE PROHIBITED. RETURN OR EXHAUST AIR DUCT 1940140TH AVEW <br /> VENTILATION SYSTEMS: 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 /> 1. ALL SHEET METAL DUCTWORK SHALL BE FABRICATED AND INSTALLED IN WELDED WATER-TIGHT ON THE EXTERNAL SURFACE OF THE DUCT SYSTEM. ALL TO THE MCDONALD'S AREA CONSTRUCTION MANAGER. _ KEI KITCHEN EQUIPMENT INSTALLER 11004,11* D,WA98036 <br /> ACCORDANCE WITH LOCAL CODES AND SMACNA STANDARDS. WELDING SHALL BE PERFORMED BY A CERTIFIED WELDER. CONDENSATE PIPING: "BOW <br /> .P.E.b <br /> 2. ALL DUCTWORK DIMENSIONS ARE INTERNAL FREE AREA DIMENSIONS AND SIZED FOR 4. ALL GREASE EXHAUST DUCTWORK SHALL BE EXTERNALLY INSULATED WITH A ASTM 1. CONDENSATE PIPING SHALL BE GALVANIZED STEEL, COPPER OR PVC. � � <br /> ROUND DUCT (VERTICAL) KES KITCHEN EQUIPMENT SUPPLIER EI C <br /> 0.08" W.C. PER 100 FT. OF DUCT. E2336 LISTED AND LABELED GREASE DUCT ENCLOSURE SYSTEM. INSULATION SHALL 2, PVC PIPE SHALL BE PAINTED WITH WATER BASED LATEX PAINTING TO RESIST <br /> BE INSTALLED IN ACCORDANCE WITH ITS LISTING AND THE MANUFACTURER'S DEGRADATION FROM ULTRAVIOLET EXPOSURE. <br /> 3. ALL SHEET METAL DUCTWORK SHALL BE CONSTRUCTED IN ACCORDANCE WITH INSTALLATION INSTRUCTIONS. El STEADY-STATESPEED CONTROLLER M.A. (S) MIXED AIR - SUMMER <br /> SMACNA TABLES FOR 2" W.C. AND SHALL BE SUPPORTED WITH AN APPROVED 3. PIPE SUPPORTS SHALL BE BPS MODEL PMP-2 OR EQUAL. QUANTITY AS REQUIRED <br /> HANGER AT INTERVALS NOT EXCEEDING 10 FT. 5. ACCESS PANELS SHALL BE PROVIDED AT ALL CHANGES IN DIRECTION OF THE 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. <br /> FLEXIBLE CONNECTIONS SHALL BE TESTED IN ACCORDANCE WITH UL 181 AND SPACING LOCATION) 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 FT. 15 FT. <br /> 5 ALL FOR THE CLEAR DROPS <br /> INSTALLATIO BUILDING OF THE EXTER A L DUCTWORK IE OFFSET As NSULATION.CESSARY TO ALLOW 7 UPBLAST KITCHEN EXHAUST FANS SHALL BE LOCATED A MINIMUM OF 6 FT. FROM PVC 4 FT. 15 FT. 4 4 O.A. OUTDOOR AIR 00000 M.0000 <br /> ANY PARAPET WALL OR ADJACENT STRUCTURE AND SHALL TERMINATE A MINIMUM OF 5. CONDENSATE PIPING SHALL SLOPE A MINIMUM OF Ye" PER FOOT. LINEAR SLOT DIFFUSER 00 '' NC' 00 <br /> O ,:pF WASy�':� <br /> 6. ALL DUCTWORK BRANCHES THAT SERVE A SINGLE DIFFUSER SHALL BE SUPPLIED 40 INCHES ABOVE THE FINISHED ROOFING MATERIAL. b b 0.D. OUTSIDE DIMENSION O 0 <br /> WITH 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: _ <br /> 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 O O <br /> A 2" OFFSET TO ACCOMMODATE EXTERNAL INSULATION. CONTRACTOR. BY PIPE SIZE 0/0 OWNER/OPERATOR 0 <br /> O <br /> O PFGIStO:' 0 <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<20 TON314 LOUVERED FACE DIFFUSER O%OOoo0AI <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 CONTRACTORU' <br /> STAND-OFF TO ACCOMMODATE FOR EXTERNAL INSULATION. Seal 10\ <br /> 3. ALL REFRIGERANT SUCTION LINES SHALL BE INSULATED WITH A MINIMUM 1" FOAM <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. <br /> Ze <br /> SHALL BE LISTED IN ACCORDANCE WITH UL 181A OR 1818. CEILING-MOUNTED EXHAUST FAN d U <br /> 4. ALL SUSPENDED REFRIGERANT PIPING SHALL BE SUPPORTED AS FOLLOWS: RC REFRIGERATION CONTRACTOR 11 <br /> 9. ALL SUPPLY AND RETURN SHEET METAL DUCTWORK LOCATED WITHIN THE CEILING cc�•g�'i' <br /> MATERIAL MAX. HORIZ. SPACING MAX. VERT. SPACING J n bQ <br /> SPACE SHALL BE EXTERNALLY INSULATED. INSULATION SHALL BE 2"THICK COPPER TUBING <1 1/4" 6 FT. 10 FT. - Co <br /> SPIN-IN COLLAR WITH VOLUME J $° <br /> M ICROLITE FSK-100 BY JOHNS MANVILLE OR EQUAL. �J S.A. SUPPLY AIR <br /> COPPER TUBING >1 1 2 10 FT. 10 FT. DAMPER `m�; E <br /> 10. ALL SUPPLY AND RETURN SHEET METAL DUCTWORK LOCATED OUTSIDE OF THE <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 `o 8 <br /> ( ) �� VOLUME DAMPER S.P. STATIC PRESSURE E• �•1= <br /> AND EXTERNALLY INSULATED WITH A 2"THICK RIGID POLYSTYRENE, POLYURETHANE RECOMMENDATIONS. N c o• " <br /> OR POLYISOCYAN U RATE BOARD (MIN. R-8 FOR CLIMATE ZONES 1 THROUGH 4), OR D °m <br /> 6. PRE-CHARGED LINESETS ARE NOT PERMITTED AS LINES WILL MOST LIKELY NEED TO <br /> A 3° THICK (MIN R-12 FOR CLIMATE ZONES 5 THROUGH 8). INTERNAL FIBERGLASS <br /> INSULATION SHALL BE LINATEX BY JOHNS MANVILLE OR EQUAL. EXTERNAL RIGID FLEXIBLE DUCTWORK MC TEST AND BALANCE CONTRACTOR <br /> BE CUT TO FIT THE APPLICATION AND REFRIGERANT WILL NEED TO BE RECLAIMED. <br /> BOARD NSULATION SHALL BE THERMAPINK BY OWENS CORNING OR EQUAL. 7, ALL PIPE INSULATION SHALL BE PROTECTED FROM DAMAGE FROM PIPE HANGERS. <br /> 11. FOR APPLICABLE SITUATIONS OR PLAYPLACE ADDITIONS: ALL EXPOSED SPIRAL <br /> PROTECTION SHALL BE LIGHT GAUGE GALVANIZED STEEL OR EQUAL. 12"tb SHEET METAL DUCTWORK W/DIA. SIZE <br /> o^oo'm <br /> DUCTWORK SHALL BE INTERNALLY INSULATED TO PREVENT CONDENSATION (MIN. B. ALL REFRIGERANT PIPING SYSTEMS SHALL BE PRESSURE TESTED FOR LEAKS PRIOR $u� <br /> R-4,3). INTERNAL INSULATION SHALL BE 1' THICK SPIRACCUSTIC PLUS BY JOHNS TO START-UP. ALL LEAKS SHALL BE REMEDIED PRIOR TO BUILDING TURNOVER. ''"-- � °m ° <br /> MANVILLE OR EQUAL. 0 u9,�w o, _$ <br /> PERFORATED FACE DIFFUSER <br /> 9. ALL PIPING SHALL MEET MINIMUM INSULATION THICKNESS PER THE TABLE BELOW: 8 <br /> J 12. ALL DUCTWORK PENETRATIONS THROUGH FIRE-RATED WALLS, BARRIERS OR °c $s`o o <br /> m PARTITIONS SHALL BE PROTECTED WITH A FIRE DAMPER. THE PERIMETER OF THE PIPING MINIMUM INSULATION THICKNESS (IN INCHES) V o° <br /> w FIRE DAMPER SHALL BE FIRESTOPPED WITH AN APPROVED AND LISTED FIRESTOPPING PER NOMINAL PIPE OR TUBE SIZE CC `m5 <br /> MATERIAL. NOMINAL PIPE SIZE <1 1 TO 1.5 1.5 TO <4 4 TO <8 >8 o L } �c m•;,�Yi <br /> a LIQUID REFRIGERATION <40'F 0.5 1.0 1.0 1.0 1.5 ® 2 <br /> 13. ALL EXTERIOR SHEET METAL DUCTWORK SHALL BE EXTERNALLY WRAPPED WITH AN <br /> SUCTION (REFRIGERATION) (<40'F) 0.5 1.0 1.0 1.0 1.5 SHEET METAL TEE WITH CAP 8 <br /> APPROVED WEATHERPROOFING MATERIAL TO PROTECT AGAINST WATER PENETRATION a's.�°`c5•n5 <br /> AND CORROSION. SIDES AND TOP OF EXTERNAL WEATHERPROOFING SHALL BE <br /> a 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 'Q2 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. Qo N a <br /> w14. ALL FLEXIBLE DUCTWORK, METALLIC AND NONMETALLIC, SHALL CONFORM TO THE <br /> 2. ONE (1) AUDIBLE AND ONE (1) VISUAL ALARM SHALL BE INSTALLED A MINIMUM OF <br /> FOLLOWING: 7 FT. 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: wy o o <br /> DUCT LOCATION: UNCONDITIONED SPACE CLIMATE ZONES 3. ONE (1) AUDIBLE AND ONE (1) VISUAL ALARM SHALL BE INSTALLED A MINIMUM OF <br /> a 1 THROUGH 8 7 FT. A.F.F., AT THE BACK OF THE KITCHEN AND IN PLAIN SIGHT FROM THE MAIN <br /> o DUCTWORK CLASSIFICATION I PRESSURE ISEAL 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 /> 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 /> HANGER SUPPORTS EVERY 6 FT. 1"TYPE B LOCATION AS SHOWN ON SHEETS E1.1 AND E3.0. <br /> 0 <br /> DUCT LOCATION: EXTERIOR (INCLUDES ATTICS CLIMATE ZONES CLIMATE ZONES NATURAL GAS SYSTEMS: 3 <br /> ABOVE INSULATED CEILINGS AND CRAWL SPACES. 1 THROUGH 4 5 THROUGH 8 1. ALL GAS PIPING, WATER HEATER VENTS, INTAKES AND FLUES SHALL CONFORM TO <br /> DUCTWORK CLASSIFICATION PRESSURE SEAL CLASS INSULATION INSULATION THE CURRENT VERSION OF NFPA 54, NATIONAL FUEL GAS CODE, AND ANY LOCAL <br /> z CODE REQUIREMENTS. <br /> SUPPLY 2.00" W.C. A TYPE A (R-8) TYPE A (R-12) <br /> RETURN -2.00" W.C. A TYPE A (R-8) TYPE A (R-12) 2. THE NATURAL GAS MAIN PIPE SIZING IS BASED ON THE FOLLOWING: N <br /> w A. MINIMUM SUPPLY PRESSURE AT THE METER OF 2 PSIG <br /> HANGER SUPPORTS EVERY 6 FT. 1" TYPE B <br /> EXHAUST -2.00" W.C. A (*)TYPE A (R-8) (*)TYPE A (R-12) B. 1 PSIG PRESSURE DROP FROM METER TO FARTHEST APPLIANCE z <br /> o <br /> h C. 1,000 BTU PER CU. FT. OF NATURAL GAS z < m� <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: z <br /> A. SUPPLY PRESSURE AT THE REGULATOR OF 10" W.C. (1/4 PSIG) Z <br /> N ROOF PENETRATION. REFER TO "COMMERCIAL KITCHEN EXHAUST SYSTEMS", NOTE#4 B. 0.5" W.C. PRESSURE DROP FROM REGULATOR TO FARTHEST APPLIANCE 0 LL1 <br /> FOR FIRE WRAPPING REQUIREMENTS ON KITCHEN GREASE DUCTWORK. <br /> C. 1,000 BTU PER CU. FT. OF NATURAL GAS Q c Z <br /> B. INTEGRAL VAPOR BARRIER 4. ALL NATURAL GAS PIPE SHALL BE SCHEDULE 40 CARBON STEEL PIPE WITH z CD o <br /> a <br /> C. LISTED AND LABELED UL 181, CLASS 0 OR CLASS 1 MALLEABLE IRON FITTINGS AND SHALL BE COMPLY TO ONE OF THE FOLLOWING w 0 W o p <br /> < D. INSTALLED IN ACCORDANCE WITH: STANDARDS: ASME B36.10, TOM; ASTM A 53; OR ASTM A 106. _ o N <br /> $ i. SMACNA STANDARDS, W <br /> Ln <br /> AIR DIFFUSION COUNCIL INSTALLATION GUIDELINES, AND/OR 5. NATURAL GAS PRESSURE REGULATORS SHALL BE MAXITROL 325 SERIES OR EQUAL. <br /> d iii MANUFACTURER'S INSTALLATION INSTRUCTIONS <br /> e ni. z 6 <br /> 14. FLEXIBLE DUCTWORK SHALL NOT PENETRATE WALLS. SHEET METAL DUCTWORK IS w N <br /> REQUIRED AT ALL FIRE-RATED AND DRAFTSTOP WALL PENETRATIONS. = GENERAL NOTES U <br /> U <br /> City of Everett Permit Services <br /> EVERETT Reviewed for Permit 11/14/2024 <br />