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APPENDIX C <br /> EXHAUST DUCT: <br /> Duct Size 18" DIA <br /> Square feet of duct area 1.76 <br /> Number of ducts 1 (1 outlet per 12 feet or fraction thereof) <br /> Type of Metal GALVANIZED SHEET METAL Gauge 16 <br /> Exhaust duct velocity 1619 FPM (CFM divided by sq. ft. of duct) <br /> (Recommended 1800 FPM) <br /> GREASE FILTERS or EXTRACTORS: <br /> Manufacturer KLEEN GARD BAFFLE Model MEA # 247-96-E <br /> Type (with handles) SS BAFFLE WITH HANDLES <br /> Rating: 275 CFM at 0.5 sp (static pressure) <br /> Dimensions: 20 inches x 16 inches <br /> Functional surface area per filter 96 sq. ft. <br /> Number of filters to be used: 9 <br /> Total filter area 6 sq. ft. <br /> Number of spacers 2 size of spacers: 20 in. x 4 in. <br /> Minimum distance between lowest edge of grease filters and cooking surface: 51 in.. <br /> STATIC PRESSURE: <br /> Filters 0.5 sp <br /> Entrance loss + 0.429 sp <br /> Duct Length + 0.011 sp <br /> Elbows + 0.028 sP <br /> Loss to outside Atmosphere + sp <br /> 0.968 Total sp <br /> EXHAUST FAN/BLOWER: <br /> Manufacturer CAPTIVFAIRF Model No. DU180HFA <br /> Exhaust 2850 CFM at 1.15 sP• <br /> Blower RPM 1199 Horsepower 3.0 <br /> MAKE-UP AIR(ALSO PROVIDE MAKE-UP AIR FOR HOOD #1) <br /> Fan Manufacturer ECON-AIR <br /> Model Number A2-20D <br /> CFM 4685 at 0.5 sp. <br /> Duct size 24"DIA Square feet of duct area 3.14 <br /> Number of ducts 1 Duct velocity 1491 <br /> Type of openingPERFORATED SUPPLY PLENUM Opening size 12"X28" <br /> Number of openings 6 CFM per opening 776 AND 785 CFM <br /> Electrical interlocking switch with exhaust fan YES <br /> EHD 16-01 19 PLAN CHECK GUIDE <br /> 7/5/17 <br />