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MECHANICAL LEGEND: NOTE ON KITCHEN VENTILATION: <br /> 1. MAKE UP AIR VOLUME SHALL BE LESS THAN THE HOOD EXHAUST VOLUME. THE AIR CMC 402. 1 FRESH AIR CALCULATION REVISIONS <br /> PRESSURE IN THE COOKING AREA SHALL NOT EXCEED 0.02 WATER COLUMN. <br /> 2. THE KITCHEN HOOD EXHAUST SYSTEM SHALL HAVE AN AIR BALANCE REPORT AND By <br /> A/C SUPPLY REG SHOWING THAT THE AVERAGE VELOCITY OF THE FILTERS SHALL HAVE A MINIMUM Vbz=RpPz or RaAz <br /> OF 250 CFM. Az=Zone floor area: the net occupiable floor area of the space or zi� <br /> A/C RETURN REG spaces In the zone. <br /> Pz=Zone population: the number of people in the space or spaces <br /> in the zone <br /> ❑ DIFFUSE REG Rp= People outdoor air rate: the outdoor airflow rate required per <br /> IN KITCHEN <br /> person from table 402.1 <br /> Ra= Area outdoor rate: the outdoor airflow rate required per nuit <br /> EX.FAN REG EXISTING HVAC TO BE REMAINI area from table 402.1 <br /> IN RESTROOM <br /> Vbz=Fresh Air Calculated per space. <br /> MIUA MAKE-UP AREA Unit / Area Vbz = Rp PZ or Ra Az <br /> EF EXHAUST FAN 25'-0" Dining 230 7.5 22 0.18 360 <br /> 1 <br /> Kitchen 111 7.5 4 0.12 675 <br /> 25 cF Restroom 16.4 5.0 1 0.12 95 LO <br /> B B ---------- <br /> > <br /> ---- (E)1 O <br /> I Q <br /> Note: 7.5 cfm/person or 0.18 cfm per sq.ft required per CMC 2019 table 402.1 <br /> �Erib C \ C 7.5 cfm/person or 0.12 cfm per sq.ft required per CMC 2019 table 402.1 0 <br /> T--r--- - --- ---- <br /> LU 0O <br /> i LL Q <br /> U) CY) M } <br /> A 2;0 OPM <br /> 70 CFM w <br /> O N L1') <br /> 2.1 LL <br /> 0 c) 101 E (j) (0 <br /> -- U) w n w <br /> LJJ w o <br /> -- � z <br /> A wow <br /> ~ < w Q <br /> I , <br /> � LU <br /> i 1 w <br /> O <br /> N <br /> ° <br /> d M <br /> a ° <br /> 250 CFM a ° <br /> d 4 <br /> —' <br /> -1 q (E) Oo ° <br /> 13rR666---1 <br /> d I I <br /> N a ° O <br /> LU �O a CV <br /> ... I I Lf') <br /> A 'i ° ° Q <br /> d W <br /> — <br /> , B Z Z U <br /> O d ° ad A <br /> ° 4 % ° d a d l <br /> Adl LL <br /> a U <br /> 0 <br /> d <br /> ° 50 CFM A d � d A i B i Q 0 <br /> ° U) <br /> ° 250 CFM ° U) <br /> 0 <br /> (E) Oo ° W F— <br /> d ° LU J <br /> ° d B , Ii <br /> d d FROM TO INTAKE O <br /> co d fd ° ° A d CKT PANEL FAN UNITS00 A <br /> O Z <br /> 4 <br /> 00 < _Et� <br /> I I <br /> LR °d B TO A/C THERMOSTAT Z Z <br /> d ° o ° a61 CONTROL UNIT W <br /> d 0 a I— LU <br /> 24 U m <br /> W <br /> 120 VOLT � <br /> 250 CFM ° ° °1 <br /> 0 <br /> SM CCONTACTOR <br /> °L J 20 AMP 3 POLEDETECTION HOOD <br /> d O <br /> ° FIRE SWITCH 00 A ° SMOKE DETECTOR <br /> d <br /> ° d <br /> 250 CFM A ° A a 24 VOLT <br /> (E) 0 ° ° <br /> PROJECT DATA <br /> a OO E) INTAKE AIR FAN SHUT OFF CONTROL DIAGR <br /> 250 CFM NOTE: AIR MOVING SYSTEM WITH SUPPLY AIR IN EXCESS OF <br /> 2000 CFM IN ANY ROOM SHALL BE SHUT-OFF IF EXIT DOOR IS OFESSIp <br /> GREATER THAN 100 FT UPON DETECTION OF SMOKE DEVICE. ��QR Y, AO HFl F'G� <br /> A A <br /> ° <br /> A ,' ° A ° A ° d No. <br /> EXIT ° d d d A ° SECURE ANGLE TO JOIST 6-30-21 <br /> 2x JOIST WITH (2) 3/8" O x 4" BOLT, TF of CA <br /> OR BLOCKING NUT AND WASHER. <br /> 2-1/2" MIN. <br /> 3/4" 0 COUPLER o 3/8" 0tHREAD ROD. AT 8' O.C. MAX. <br /> 3/16" C AIRCRAFT CABLE SWAY Designed by : T.W <br /> Z-BRACE AT 450 BRACE AT <br /> (E) HVAC MECHANICAL LAYOUT EACH ND OF DUCTWORK. Date : Oct 5, 2020 <br /> SCALE: 1/4 If=1 1-011 <br /> 2x2x1/4" HINGED 45° scale : AS SHOWN <br /> ANGLE IRON Drawn : W.P.D. <br /> NUT AND LOCK NUT (1) 1/8" x 12 GA SPILT RING Job <br /> COLLAR AROUND DUCT SHEET <br /> DUCT SUPPORT DETAL M =3 <br /> SCALE: N.T.S. <br /> OF SHEETS <br />