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3'-11" <br />3' <br />- <br />8 <br />" <br />Scale: 1/4"=1'-0" <br />HVAC PLAN1 <br />3'-11" <br />3' <br />- <br />8 <br />" <br />Scale: 1/4"=1'-0" <br />HOOD PLAN 2 <br />BDD <br />AIR BALANCE SCHEDULE <br />1- SUPPLY AIR (A/C) <br />·(N)AC-1 UNIT (O.S.A) 900 (CFM) <br /> TOTAL O.S.A 900 (CFM) <br />2- SUPPLY (MAKE-UP AIR) 5,516 (CFM) <br />3- TOTAL SUPPLY TO SPACE 6416 (CFM) <br />4- EXHAUST AIR <br />·KITCHEN HOOD #1 3000 (CFM) <br />·KITCHEN HOOD #2 1800 (CFM) <br />·KITCHEN HOOD #2 1533 (CFM) <br />·TOILETS EXH. 50 (CFM) <br /> TOTAL EXH. 6383 (CFM) <br />TENANT SPACE AIR BALANCE: <br />6416 CFM(+VE) - 6383 CFM(-VE)= 33(CFM) +VE) FOR <br />NET EXFILTRATION <br />AIR BALANCE REPORT <br />AN AIR BALANCE REPORT BY A QUALIFIED "NEBB" OR <br />"AABC" CONTRACTOR SHALL BE PROVIDED TO THE <br />BUILDING DIVISION FOR HVAC SYSTEMS PERFORMANCE <br />TOGETHER. WITH COMPLETED TITLE-24 TESTING AND <br />DOCUMENTATION FORMS (MECH-2-A), (MECH-3-A) AND <br />(MECH-4-A) ATTACHED FOR REVIEW AND ACCEPTANCE <br />PRIOR TO FINAL INSPECTION OR OCCUPANCY <br />(C.G.B. C.S. 5. 410.4.3.1, CMC 407.3 & 511.3). <br />T <br />MVD MVD MVD <br />10"Ø 10"Ø 12"Ø 8"Ø <br />8" <br />Ø <br />10"Ø12"Ø <br />8"Ø <br />12"Ø <br />MVD MVD <br />MVD MVD <br />MVD <br />MVD <br />MVD <br />MVD <br />8"Ø 8"Ø 10"Ø <br />8"Ø 8"Ø 8"Ø <br />10 <br />" <br />Ø <br />MINIMUM VENTILATION RATES IN BREATHING ZONE TABLE 402.1 - 403.2.2 ASHRE 62.1: TABLE 6.2.2.1) (6.2.2.2) <br />1'-8" <br />1' <br />- <br />0 <br />" <br />1'-8" <br />1' <br />- <br />0 <br />" <br />2'-4" <br />1' <br />- <br />0 <br />" <br />2'-4" <br />1' <br />- <br />0 <br />" <br />2'-4"2'-4"2'-4" <br />HOOD #1 CALCULATIONS <br />HOOD SIZE : ............................................. 10'-6" X 4'-6" <br />TOTAL CFM : ............................................. 3,000 CFM <br />DUCT SIZE:............................................. 12"X22" <br />VELOCITY: .....................3000 / 1.83 = 1,636 FPM <br />VELOCITY PRESSURE (Pv) (1636 <br />4005)² = 0.16 "W.C. <br />FITTING LOSS = Σ CxPv = 2.5 X0.16= 0.4 "W.C. <br />DUCT LOSS ................= 50'X0.18/100= 0.1 "W.C. <br />HOOD & FILTER LOSS (MANUFAC.)= 1.013 "W.C. <br />TOTAL LOSSES..........0.4+0.1+1.013 = 1.513 "W.C. <br />REQUIRED FAN CAPACITY <br />MINIMUM FAN CAPACITY SHALL BE <br />3000 CFM @ 1.513 (" W.C.) E.S.P. <br />PROVIDED <br />3000 CFM @ 1.6 (" W.C.) E.S.P. <br />HOOD #2 CALCULATIONS <br />HOOD SIZE : ............................................. 8'-0" X 4'-6" <br />TOTAL CFM : ............................................. 1,800 CFM <br />DUCT SIZE:............................................. 10"X16" <br />VELOCITY: .....................1800 / 1.11 = 1,620 FPM <br />VELOCITY PRESSURE (Pv) (1620 <br />4005)² = 0.16 "W.C. <br />FITTING LOSS = Σ CxPv = 2.0 X0.16= 0.3 "W.C. <br />DUCT LOSS ................= 50'X0.18/100= 0.1 "W.C. <br />HOOD & FILTER LOSS (MANUFAC.)= 0.66 "W.C. <br />TOTAL LOSSES..........0.3 + 0.1 + 0.66 = 1.0 "W.C. <br />REQUIRED FAN CAPACITY <br />MINIMUM FAN CAPACITY SHALL BE <br />1800 CFM @ 1.0 (" W.C.) E.S.P. <br />PROVIDED <br />1800 CFM @ 1.0 (" W.C.) E.S.P. <br />HOOD #3 CALCULATIONS <br />HOOD SIZE : ............................................. 8'-0" X 4'-6" <br />TOTAL CFM : ............................................. 1,533 CFM <br />DUCT SIZE:............................................. 12"X12" <br />VELOCITY: .....................1533 / 1 = 1,533 FPM <br />VELOCITY PRESSURE (Pv) (1533 <br />4005)² = 0.14 "W.C. <br />FITTING LOSS = Σ CxPv = 2.0 X0.14= 0.28 "W.C. <br />DUCT LOSS ................= 50'X0.18/100= 0.1 "W.C. <br />HOOD & FILTER LOSS (MANUFAC.)= 0.596 "W.C. <br />TOTAL LOSSES.......0.28 + 0.1 + 0.596 = 0.976 "W.C. <br />REQUIRED FAN CAPACITY <br />MINIMUM FAN CAPACITY SHALL BE <br />1533 CFM @ 0.976 (" W.C.) E.S.P. <br />PROVIDED <br />1533 CFM @ 1.0 (" W.C.) E.S.P. <br />M-1.0 <br />THIS DRAWING, SPECIFICATIONS AND <br />IDEAS, DESIGNS THEREBY ARE AND SHALL <br />REMAIN THE PROPERTY OF IG DRAFTING & <br />DESIGN AND NO PART THEREOF SHALL BE <br />COPIED DISCLOSED TO OTHERS OR USED <br />IN CONNECTION WITH ANY WORK OR <br />PROJECT FOR WHICH THERE HAVE BEEN <br />PREPARED AND DEVELOPED, WITHOUT THE <br />WRITTEN CONSENT OF IG DRAFTING & <br />DESIGN, VISUAL CONTACT WITH THESE <br />DRAWINGS SHALL CONSTITUTE EVIDENCE <br />OF ACCEPTANCE OF THESE RESTRICTIONS. <br />DO <br />N <br /> <br />C <br />H <br />U <br />R <br />R <br />O <br />S <br />1 <br />2 <br />3 <br />4 <br />3 <br />3 <br />3 <br />215 W 4th St <br />1/22/2025