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- I I LM A / 1 - LAHAU61 <br /> FOOD W/ <br /> Vi n At lJ/`1 I n APPENDIX C <br /> EXHAUST DUCT: I <br /> Duct Size 12" x10" <br /> Square feet of duct area 0.83 sqft <br /> Number of ducts 2 (1 outlet per 12 feet or fraction thereof) <br /> Type of Metal 304 Stainless - FG3 by sheigler Gauge _20 ga. <br /> Exhaust duct velocity 1459 FPM (CFM divided by sq. ft. of duct) <br /> (Recommended 1800 FPM) <br /> GREASE FILTERS or EXTRACTORS: <br /> Manufacturer Model <br /> Type (with handles) <br /> Rating: CFM at sp (static pressure) <br /> Dimensions: inches x inches <br /> Functional surface area per filter sq. ft. <br /> Number of filters to be used: <br /> Total filter area sq. ft. <br /> Number of spacers size of spacers: in. x in. <br /> Minimum distance between lowest edge of grease filters and cooking surface: in.. <br /> STATIC PRESSURE: <br /> Filters sp <br /> Entrance loss + 0.55 sP 20ft of 26" round at 2422 CFM <br /> Duct Length + 0.005 + 0.0225 sp 7.5ft of 12" round at 1211 FPM <br /> Elbows + _0.605 sp (2) 12" 45 deg elbows @ 1542 FP1 <br /> Loss to outside Atmosphere + sp <br /> = 1.18 Total sp <br /> EXHAUST FAN/BLOWER: <br /> Manufacturer GREENHECK Model No. CUE-161-VG <br /> Exhaust 2800 CFM CFM at 1.5 sp. <br /> Blower RPM 1465 Horsepower 1 .19 <br /> MAKE-UP AIR: <br /> Fan Manufacturer _GREENHECK <br /> Model Number _IGX-115-H22-J <br /> CFM 5000 CFM at 1 .433 sp. <br /> Duct size MAIN: 24" BRANCH: 16" _ Square feet of duct area 3.14 sqft i.40 -s-gft <br /> Number of ducts 1 main, 2 branches Duct velocity MAIN: 1449 FPM BRANCH: 1857/1392 FPI <br /> Type of opening supply diffuser Opening size 12„ <br /> Number of openings 7 CFM per opening 650 <br /> Electrical interlocking switch with exhaust fan <br /> EHO 16-01 19 PLAN CHECK GUIDE <br /> 7/5/17 <br />