Static Pressure Fans

Static pressure for inline exhaust fans EF-27 serving Public Toilet in Ground floor

AFFAIR : EXHAUST AIR DUCT SITE : GENERAL AUDITING BUREAU Date :

DUCT NAME : BUILDING : NORTH LOT Revision :

GENERAL DATA DUCT MATERIAL : GI DUCT

AIR DENSITY : 1.09 Kg/m3 1.18 @ 22or 24 &50%

DUCTS PRESSURE LOSSES BOARDA-B B-C C-D D-E E-F F-G G-H H-I I-J J-K K-L

SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 424 106FLOW M3/H 720.8 180.2LENGTH M 7.23 2.7 9.9 mlDIAM. mm 266.4 164.0DIAM. EQUIV. 266.4 164.0WIDTH mm 300 150HEIGHT mm 200 150AREA M2 0.06 0.02VELOCITY M/S 3.59 2.37PD per Meter Pa 0.68 0.57

PD x LENGTH Pa 4.88 1.55 6.43 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 2 1TRANSITION 0.25CONTRACTION 0.05 3AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.65 0.45 1.10

DUCTS PD Pa 4.57 1.38 5.95 Pa

PRESSURE DROP Pa 9.46 2.93 12.38 Pa

SPECIAL FITTING PRESSURE DROPS

DESIGNATION PD (PA) QTY TOTAL

FIRE DAMPER 35 1 35 113 PaDAMPER 10 0 FLOW AT 100% 721 m³/hSUPPLY GRILLE 15 0 * DUCTS PRESSURE DROP : 12 PaExhaust GRILLE 15 0 * FITTING PRESSURE DROP : 101 PaFRESH AIR GRILLE 20 0REJECT AIR GRILLE 15 0 125 PaPLANE FILTER 80 0 FLOW AT 110% 793 m³/hOIL BATH FILTER 150 0 * DUCTS PRESSURE DROP : 14 PaHOOD FILTER 100 0 * FITTING PRESSURE DROP : 111 PaPRIMARY HEATING COIL 5 0Disc Exhaust valve 43 1 43 136 PaFLEXIBLE CONNECTION 23 1 23 FLOW AT 120% 865 m³/hSOUND ATTENUATOR 40 0 * DUCTS PRESSURE DROP : 15 Pa

TOTAL 101 Pa * FITTING PRESSURE DROP : 121 Pa

STATIC PRESSURE AT 100%



Static pressure for Roof exhaust fans EF-31 serving Public Toilet -1 in Level 1

AFFAIR : EXHAUST AIR DUCT SITE : GENERAL AUDITING BUREAU Date : 23-01-2013





SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 847 424 283 142FLOW M3/H 1439.9 720.8 481.1 241.4LENGTH M 1.5 0.52 0.94 1.3 4.3 mlDIAM. mm 382.608 266.41 244.1 218.6DIAM. EQUIV. 382.608 266.41 244.1 218.6WIDTH mm 350 300 250 200HEIGHT mm 350 200 200 200AREA M2 0.11 0.06 0.05 0.04VELOCITY M/S 3.48 3.59 2.86 1.79PD per Meter Pa 0.41 0.68 0.50 0.24

PD x LENGTH Pa 0.61 0.35 0.47 0.31 1.75 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 2 1 1 1TRANSITION 0.25CONTRACTION 0.05 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.15 0.10 0.10 0.45 0.80

DUCTS PD Pa 0.99 0.70 0.44 0.78 2.92 Pa

PRESSURE DROP Pa 1.60 1.05 0.91 1.10 4.66 Pa



FIRE DAMPER 35 1 35 116 PaDAMPER 10 1 10 FLOW AT 100% 1440 m³/hSUPPLY GRILLE 15 0 * DUCTS PRESSURE DROP : 5 PaExhaust GRILLE 15 0 * FITTING PRESSURE DROP : 111 PaFRESH AIR GRILLE 20 0REJECT AIR GRILLE 15 0 127 PaPLANE FILTER 80 0 FLOW AT 110% 1584 m³/hOIL BATH FILTER 150 0 * DUCTS PRESSURE DROP : 5 PaHOOD FILTER 100 0 * FITTING PRESSURE DROP : 122 PaPRIMARY HEATING COIL 5 0Disc Exhaust valve 43 1 43 139 PaFLEXIBLE CONNECTION 23 1 23 FLOW AT 120% 1728 m³/hSOUND ATTENUATOR 40 0 * DUCTS PRESSURE DROP : 6 Pa





Static pressure for inline exhaust fans EF-33 serving Public Toilet -2 in Level 1






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 475 237 131FLOW M3/H 807.5 402.9 222.7LENGTH M 1.68 0.633 1.5 3.8 mlDIAM. mm 286.443 218.63 164DIAM. EQUIV. 286.443 218.63 164WIDTH mm 350 200 150HEIGHT mm 200 200 150AREA M2 0.06 0.04 0.02VELOCITY M/S 3.48 2.98 2.93PD per Meter Pa 0.58 0.61 0.84

PD x LENGTH Pa 0.98 0.39 1.26 2.63 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 2 1 1TRANSITION 0.25CONTRACTION 0.05 3 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.25 0.10 0.45 0.80

DUCTS PD Pa 1.65 0.48 2.10 4.24 Pa

PRESSURE DROP Pa 2.63 0.87 3.37 6.87 Pa








Static pressure for Smoke extract fans during high emission rate of fumes in more

than one floor under fire





DUCTS PRESSURE LOSSES BOARDA-B B-C C-D D-E E-F F-G G-H H-I I-J J-K K-L L-M M-N

SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 13216 13216 13216 13216 13216 13216 13216 13216 13216 13216 13216 1652 826FLOW M3/H 22467 22467 22467 22467 22467 22467 22467 22467 22467 22467 22467 2808 1404LENGTH M 11.3 3.47 3.4 7.29 3.47 7.29 11.12 7.29 3.47 3.55 3.25 2.7 2.5 70.1 mlDIAM. mm 859 840 820 799 778 755 708 683 628 547 488 437 328DIAM. EQUIV. 859 840 820 799 778 755 708 683 628 547 488 437 328WIDTH mm 1050 1000 950 900 850 800 700 650 600 500 500 400 300HEIGHT mm 600 600 600 600 600 600 600 600 550 500 400 400 300AREA M2 0.58 0.55 0.53 0.50 0.48 0.45 0.39 0.37 0.31 0.23 0.19 0.15 0.08VELOCITY M/S 10.76 11.26 11.82 12.44 13.14 13.92 15.86 17.06 20.16 26.60 33.35 5.19 4.62PD per Meter Pa 1.19 1.33 1.50 1.70 1.94 2.23 3.06 3.65 5.48 10.75 18.63 0.72 0.83

PD x LENGTH Pa 13.47 4.62 5.09 12.37 6.72 16.26 34.01 26.62 19.02 38.16 60.55 1.95 2.07 240.92 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1 1 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1 1 1 1 1 2 2 2 1 1 1 1 1TRANSITION 0.25CONTRACTION 0.05 1 1 1 1 1 1 1 1 1 1 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.50 0.10 0.10 0.10 0.50 0.15 0.15 0.15 0.10 0.10 0.10 0.10 0.50 2.65

DUCTS PD Pa 31.55 6.91 7.61 8.43 47.03 15.85 20.55 23.78 22.15 38.56 60.62 1.47 5.81 290.33 Pa

PRESSURE DROP Pa 45.03 11.54 12.71 20.80 53.75 32.11 54.56 50.41 41.17 76.72 121.16 3.42 7.88 531.25 Pa



FIRE DAMPER 35 1 35 634 PaDAMPER 30 1 30 FLOW AT 100% 22467 m³/hSUPPLY GRILLE 15 0 * DUCTS PRESSURE DROP : 531 PaExhaust GRILLE 15 1 15 * FITTING PRESSURE DROP : 103 PaFRESH AIR GRILLE 20 0REJECT AIR GRILLE 15 0 698 PaPLANE FILTER 80 0 FLOW AT 110% 24714 m³/hOIL BATH FILTER 150 0 * DUCTS PRESSURE DROP : 584 PaHOOD FILTER 100 0 * FITTING PRESSURE DROP : 113 PaPRIMARY HEATING COIL 5 0Disc Exhaust valve 43 0 761 PaFLEXIBLE CONNECTION 23 1 23 FLOW AT 120% 26961 m³/hSOUND ATTENUATOR 40 0 * DUCTS PRESSURE DROP : 638 Pa





Static pressure for smoke extract fans during low emission rate of fumes from all the floors





DUCTS PRESSURE LOSSES BOARDA-B B-C C-D D-E E-F F-G G-H H-I I-J J-K K-L L-M M-N

SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 13216 12390 11565 10738 9912 9086 7435 5782 4130 3304 2478 1652 826FLOW M3/H 22467 21063 19661 18255 16850 15446 12640 9829 7021 5617 4213 2808 1404LENGTH M 11.3 3.47 3.4 3.4 3.47 7.29 7.24 7.29 3.47 3.55 3.25 2.7 2.5 62.3 mlDIAM. mm 859 840 820 799 778 755 708 683 628 547 488 437 328DIAM. EQUIV. 859 840 820 799 778 755 708 683 628 547 488 437 328WIDTH mm 1050 1000 950 900 850 800 700 650 600 500 500 400 300HEIGHT mm 600 600 600 600 600 600 600 600 550 500 400 400 300AREA M2 0.58 0.55 0.53 0.50 0.48 0.45 0.39 0.37 0.31 0.23 0.19 0.15 0.08VELOCITY M/S 10.76 10.56 10.34 10.11 9.85 9.57 8.92 7.46 6.30 6.65 6.25 5.19 4.62PD per Meter Pa 1.19 1.18 1.17 1.16 1.15 1.13 1.07 0.81 0.66 0.86 0.89 0.72 0.83

PD x LENGTH Pa 13.47 4.11 3.99 3.95 3.98 8.22 7.77 5.91 2.29 3.06 2.88 1.95 2.07 63.67 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1 1 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1 1 1 1 1 2 2 2 1 1 1 1 1TRANSITION 0.25CONTRACTION 0.05 1 1 1 1 1 1 1 1 1 1 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.26 0.50 0.10 0.10 0.50 0.15 0.15 0.15 0.10 0.10 0.10 0.10 0.50 2.81

DUCTS PD Pa 16.41 30.38 5.83 5.57 26.45 7.49 6.50 4.55 2.16 2.41 2.13 1.47 5.81 117.17 Pa

PRESSURE DROP Pa 29.88 34.49 9.82 9.52 30.43 15.71 14.28 10.47 4.45 5.47 5.01 3.42 7.88 180.84 Pa








Static pressure for stair pressurization supply air fans ( SPF-1 AND SPF-2) to pressurize staircases 1 and 2






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 TOTALFLOW CFM 12073 11437 10802 10166 8896 8260 6989 5083 3812 3177 2541 1906 1270 635FLOW M3/H 20524 19443 18363 17282 15123 14042 11881 8641 6480 5401 4320 3240 2159 1080LENGTH M 11.3 3.47 3.4 7.29 3.47 7.29 11.12 7.29 3.47 3.55 3.25 2.7 2.5 2.65 72.8 mlDIAM. mm 842 828 807 792 737 711 683 656 598 573 547 488 400 328DIAM. EQUIV. 842 828 807 792 737 711 683 656 598 573 547 488 400 328WIDTH mm 850 820 780 750 650 650 600 600 500 500 500 500 450 300HEIGHT mm 700 700 700 700 700 650 650 600 600 550 500 400 300 300AREA M2 0.56 0.54 0.51 0.49 0.43 0.40 0.37 0.34 0.28 0.26 0.23 0.19 0.13 0.08VELOCITY M/S 10.23 10.04 9.96 9.75 9.84 9.84 9.02 7.10 6.41 5.82 5.11 4.81 4.78 3.55PD per Meter Pa 1.12 1.10 1.12 1.10 1.22 1.28 1.15 0.78 0.72 0.64 0.53 0.55 0.69 0.51

PD x LENGTH Pa 12.60 3.82 3.80 8.02 4.24 9.31 12.74 5.68 2.51 2.26 1.74 1.48 1.73 1.36 71.28 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 14 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1 1 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1 3 3 3 1 2 3 2 1 1 1 1 1 1TRANSITION 0.25 2CONTRACTION 0.05 1 1 1 1 1 1 1 1 1 1 1 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.10 0.60 0.20 0.20 1.00 0.15 0.20 0.15 0.10 0.10 0.10 0.10 0.10 0.50 3.60

DUCTS PD Pa 5.71 32.97 10.82 10.35 52.78 7.91 8.87 4.13 2.24 1.84 1.43 1.26 1.25 3.43 144.97 Pa

PRESSURE DROP Pa 18.31 36.79 14.62 18.37 57.01 17.22 21.61 9.80 4.74 4.11 3.16 2.74 2.98 4.79 216.25 Pa








Static pressure for centrifugal inline exhaust fans PEF-05 & PEF-06 FOR BASEMENT-1 Static pressure of Exhaust fans with High air flow rate during high emission of smokes in car parking area






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 19188 14070 10234 6396 2558 1280FLOW M3/H 32619.6 23919 17398 10873 4348.6 2176LENGTH M 7.2 15.9 14.6 17.5 4.7 5.4 65.3 mlDIAM. mm 781.165 674.06 625.75 494.18 380.84 343.33DIAM. EQUIV. 781.165 674.06 625.75 494.18 380.84 343.33WIDTH mm 1400 1000 1000 900 500 400HEIGHT mm 400 400 350 250 250 250AREA M2 0.48 0.36 0.31 0.19 0.11 0.09VELOCITY M/S 18.91 18.62 15.71 15.75 10.60 6.53PD per Meter Pa 3.74 4.35 3.50 4.68 3.13 1.47

PD x LENGTH Pa 26.90 69.16 51.07 81.95 14.73 7.94 251.75 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24 2 2 4ELBOW 90° 0.4 1 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1 3 3 3 1 1TRANSITION 0.25 2CONTRACTION 0.05 1 1 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 1.43 0.68 1.16 0.60 0.10 0.10 4.07

DUCTS PD Pa 278.57 128.47 156.12 81.09 6.13 2.32 652.69 Pa

PRESSURE DROP Pa 305.47 197.63 207.18 163.04 20.85 10.27 904.44 Pa



FIRE DAMPER 35 0 995 PaDAMPER 30 1 30 FLOW AT 100% 32620 m³/hSUPPLY GRILLE 15 0 * DUCTS PRESSURE DROP : 904 PaExhaust GRILLE 15 1 15 * FITTING PRESSURE DROP : 91 PaFRESH AIR GRILLE 20 0REJECT AIR GRILLE 15 0 1095 PaPLANE FILTER 80 0 FLOW AT 110% 35882 m³/hOIL BATH FILTER 150 0 * DUCTS PRESSURE DROP : 995 PaHOOD FILTER 100 0 * FITTING PRESSURE DROP : 100 PaPRIMARY HEATING COIL 5 0Disc Exhaust valve 43 0 1195 PaFLEXIBLE CONNECTION 23 2 46 FLOW AT 120% 39144 m³/hSOUND ATTENUATOR 40 0 * DUCTS PRESSURE DROP : 1085 Pa





Static pressure for centrifugal inline exhaust fans PEF-05 & PEF-06 FOR BASEMENT-1 Static pressure of Exhaust fans with low air flow rate during Low emission of smokes in car parking area






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 9594 7035 5117 3198 1279 640FLOW M3/H 16309.8 11960 8699 5437 2174.3 1088LENGTH M 7.2 15.9 14.6 17.5 4.7 5.4 65.3 mlDIAM. mm 781 674 626 494 381 343DIAM. EQUIV. 781 674 626 494 381 343WIDTH mm 1400 1000 1000 900 500 400HEIGHT mm 400 400 350 250 250 250AREA M2 0.48 0.36 0.31 0.19 0.11 0.09VELOCITY M/S 9.45 9.31 7.86 7.87 5.30 3.26PD per Meter Pa 1.06 1.23 0.99 1.33 0.89 0.42

PD x LENGTH Pa 7.62 19.59 14.46 23.21 4.17 2.25 71.30 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24 2 2 4ELBOW 90° 0.4 1 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1 3 3 3 1 1TRANSITION 0.25 2CONTRACTION 0.05 1 1 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 1.43 0.68 1.16 0.60 0.10 0.10 4.07

DUCTS PD Pa 69.64 32.12 39.03 20.27 1.53 0.58 163.17 Pa









Static pressure for centrifugal inline exhaust fans for parking areas in BasementPEF-03 & PEF-04 FOR BASEMENT-2 AND PEF-01 &PEF-02 FOR BASEMENT-3

Static pressure of Exhaust fans with High air flow rate during high emission of smokes in car parking area






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 19188 14070 10234 6396 2558 1280FLOW M3/H 32619.6 23919 17398 10873.2 4348.6 2176LENGTH M 7.2 15.9 14.6 17.5 4.7 5.4 65.3 mlDIAM. mm 781.165 674.06 625.75 494.177 380.84 343.33DIAM. EQUIV. 781.165 674.06 625.75 494.177 380.84 343.33WIDTH mm 1400 1000 1000 900 500 400HEIGHT mm 400 400 350 250 250 250AREA M2 0.48 0.36 0.31 0.19 0.11 0.09VELOCITY M/S 18.91 18.62 15.71 15.75 10.60 6.53PD per Meter Pa 3.74 4.35 3.50 4.68 3.13 1.47

PD x LENGTH Pa 26.90 69.16 51.07 81.95 14.73 7.94 251.75 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24 2ELBOW 90° 0.4 1 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1 3 3 3 1 1TRANSITION 0.25 2CONTRACTION 0.05 1 1 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 1.43 0.20 0.20 0.60 0.10 0.10 2.63

DUCTS PD Pa 278.57 37.79 26.92 81.09 6.13 2.32 432.81 Pa









Static pressure for centrifugal inline exhaust fans for parking areas in BasementPEF-03 & PEF-04 FOR BASEMENT-2 AND PEF-01 &PEF-02 FOR BASEMENT-3

Static pressure of Exhaust fans with low air flow rate during Low emission of smokes in car parking area






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 9594 7035 5117 3198 1279 640FLOW M3/H 16309.8 11960 8698.9 5436.6 2174.3 1088LENGTH M 7.2 15.9 14.6 17.5 4.7 5.4 65.3 mlDIAM. mm 781.165 674.06 625.75 494.18 380.84 343.33DIAM. EQUIV. 781.165 674.06 625.75 494.18 380.84 343.33WIDTH mm 1400 1000 1000 900 500 400HEIGHT mm 400 400 350 250 250 250AREA M2 0.48 0.36 0.31 0.19 0.11 0.09VELOCITY M/S 9.45 9.31 7.86 7.87 5.30 3.26PD per Meter Pa 1.06 1.23 0.99 1.33 0.89 0.42

PD x LENGTH Pa 7.62 19.59 14.46 23.21 4.17 2.25 71.30 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24 2ELBOW 90° 0.4 1 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1 3 3 3 1 1TRANSITION 0.25 2CONTRACTION 0.05 1 1 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 1.43 0.20 0.20 0.60 0.10 0.10 2.63

DUCTS PD Pa 69.64 9.45 6.73 20.27 1.53 0.58 108.20 Pa









Static pressure for centrifugal inline exhaust fans PEF-03, PEF-01 FOR BASEMENT-2 AND BASEMENT-3 Static pressure of Exhaust fans with High air flow rate during high emission of smokes in car parking area






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 19188 14070 10234 6396 2558 1280FLOW M3/H 32619.6 23919 17398 10873 4348.6 2176LENGTH M 7.2 15.9 14.6 17.5 4.7 5.4 65.3 mlDIAM. mm 781.165 674.06 625.75 494.18 380.84 343.33DIAM. EQUIV. 781.165 674.06 625.75 494.18 380.84 343.33WIDTH mm 1400 1000 1000 900 500 400HEIGHT mm 400 400 350 250 250 250AREA M2 0.48 0.36 0.31 0.19 0.11 0.09VELOCITY M/S 18.91 18.62 15.71 15.75 10.60 6.53PD per Meter Pa 3.74 4.35 3.50 4.68 3.13 1.47

PD x LENGTH Pa 26.90 69.16 51.07 81.95 14.73 7.94 251.75 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1 3 3 3 1 1TRANSITION 0.25 2CONTRACTION 0.05 1 1 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.55 0.20 0.20 0.60 0.10 0.10 1.75

DUCTS PD Pa 107.14 37.79 26.92 81.09 6.13 2.32 261.38 Pa









Static pressure for Parking exhaust fans PEF-03, PEF-01 FOR BASEMENT-2 AND BASEMENT-3 Static pressure of Exhaust fans with low air flow rate during Low emission of smokes in car parking area






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 640 1279 3198 5117 7035 9594FLOW M3/H 1088 2174.3 5437 8699 11960 16310LENGTH M 5.4 4.7 17.5 14.6 15.9 7.2 65.3 mlDIAM. mm 343.333 380.84 494.2 625.8 674.06 781.16DIAM. EQUIV. 343.333 380.84 494.2 625.8 674.06 781.16WIDTH mm 400 500 900 1000 1000 1400HEIGHT mm 250 250 250 350 400 400AREA M2 0.09 0.11 0.19 0.31 0.36 0.48VELOCITY M/S 3.26 5.30 7.87 7.86 9.31 9.45PD per Meter Pa 0.42 0.89 1.33 0.99 1.23 1.06

PD x LENGTH Pa 2.25 4.17 23.21 14.46 19.59 7.62 0.00 71.30 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1 1 3 3 3 1TRANSITION 0.25 2CONTRACTION 0.05 1 1 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.10 0.10 0.60 0.20 0.20 0.55 1.75

DUCTS PD Pa 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Pa

PRESSURE DROP Pa 2.25 4.17 1.00 14.46 19.59 7.62 0.00 0.00 0.00 0.00 0.00 49.09 Pa








Static pressure for inline exhaust fans




ROUGHNESS COEF. : 0.93

SHEET THICKNESS : 6 / 10° mm

ALTITUDE : 623 Meters

ALTITUDE COEF. : 0.000



SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 2558 6398 10228 14076 19158FLOW M3/H 4348.6 10877 17388 23929 32569LENGTH M 11.3 20 15 18 23.9 88.2 mlDIAM. mm 380.844 494.18 625.8 674.1 781.16DIAM. EQUIV. 380.844 494.18 625.8 674.1 781.16WIDTH mm 500 900 1000 1000 1400HEIGHT mm 250 250 350 400 400AREA M2 0.11 0.19 0.31 0.36 0.48VELOCITY M/S 10.60 15.75 15.71 18.63 18.88PD per Meter Pa 3.13 4.69 3.49 4.35 3.73

PD x LENGTH Pa 35.40 93.71 52.41 78.35 89.04 0.00 348.92 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1 3 3 3 1TRANSITION 0.25 2CONTRACTION 0.05 1 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.10 0.60 0.20 0.20 0.95 2.05

DUCTS PD Pa 6.13 81.14 26.88 37.82 184.48 336.45 Pa

PRESSURE DROP Pa 41.53 174.85 79.30 ### 273.52 0.00 0.00 0.00 0.00 0.00 0.00 685.37 Pa



FIRE DAMPER 35 0 819 PaDAMPER 30 1 30 FLOW AT 100% 32569 m³/hSUPPLY GRILLE 15 0 * DUCTS PRESSURE DROP : 685 PaExhaust GRILLE 15 1 15 * FITTING PRESSURE DROP : 134 PaFRESH AIR GRILLE 20 0REJECT AIR GRILLE 15 0 901 PaPLANE FILTER 80 0 FLOW AT 110% 35825 m³/hOIL BATH FILTER 150 0 * DUCTS PRESSURE DROP : 754 PaHOOD FILTER 100 0 * FITTING PRESSURE DROP : 147 PaPRIMARY HEATING COIL 5 0Disc Exhaust valve 43 1 43 983 PaFLEXIBLE CONNECTION 23 2 46 FLOW AT 120% 39082 m³/hSOUND ATTENUATOR 40 0 * DUCTS PRESSURE DROP : 822 Pa





Static pressure for inline exhaust fans serving Public Toilets






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 932 805 423 127FLOW M3/H 1584.4 1368.5 719.1 215.9LENGTH M 3.15 2 2 2.1 9.3 mlDIAM. mm 368.453 327.95 244.1 164DIAM. EQUIV. 368.453 327.95 244.1 164WIDTH mm 380 300 250 150HEIGHT mm 300 300 200 150AREA M2 0.11 0.08 0.05 0.02VELOCITY M/S 4.13 4.50 4.27 2.84PD per Meter Pa 0.59 0.79 1.03 0.80

PD x LENGTH Pa 1.85 1.58 2.06 1.67 0.00 7.16 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24 2 4 2ELBOW 90° 0.4TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 2 2 2 1TRANSITION 0.25CONTRACTION 0.05 3 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.73 0.15 1.11 0.58 2.57

DUCTS PD Pa 6.78 1.66 11.03 2.55 22.01 Pa

PRESSURE DROP Pa 8.62 3.24 13.09 4.22 29.17 Pa








Static pressure calculation of inline exhaust fans EF-106 serving Electrical Rooms and Storage of Level 15






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 403 202FLOW M3/H 685.1 343.4LENGTH M 2.35 1.3 3.7 mlDIAM. mm 266 219DIAM. EQUIV. 266 219WIDTH mm 300 200HEIGHT mm 200 200AREA M2 0.06 0.04VELOCITY M/S 3.41 2.54PD per Meter Pa 0.62 0.46


KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1TRANSITION 0.25CONTRACTION 0.05 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.40 0.10 0.50

DUCTS PD Pa 2.54 0.35 2.89 Pa




FIRE DAMPER 35 1 35 78 PaDAMPER 10 0 FLOW AT 100% 685 m³/hSUPPLY GRILLE 15 0 * DUCTS PRESSURE DROP : 5 PaExhaust GRILLE 15 1 15 * FITTING PRESSURE DROP : 73 PaFRESH AIR GRILLE 20 0REJECT AIR GRILLE 15 0 86 PaPLANE FILTER 80 0 FLOW AT 110% 754 m³/hOIL BATH FILTER 150 0 * DUCTS PRESSURE DROP : 5 PaHOOD FILTER 100 0 * FITTING PRESSURE DROP : 80 PaPRIMARY HEATING COIL 5 0L.SLOT DIFFUSER 30 0 94 PaFLEXIBLE CONNECTION 23 1 23 FLOW AT 120% 822 m³/hSOUND ATTENUATOR 40 0 * DUCTS PRESSURE DROP : 6 Pa





Static pressure calculation of inline exhaust fans EF-101 serving Electrical Rooms and Storage of Level 14






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 392 201FLOW M3/H 666.4 341.7LENGTH M 2.35 1.3 3.7 mlDIAM. mm 266 219DIAM. EQUIV. 266 219WIDTH mm 300 200HEIGHT mm 200 200AREA M2 0.06 0.04VELOCITY M/S 3.32 2.53PD per Meter Pa 0.59 0.45


KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1TRANSITION 0.25CONTRACTION 0.05 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.40 0.10 0.50

DUCTS PD Pa 2.40 0.35 2.75 Pa









Static pressure calculation of inline exhaust fans EF-38 serving Electrical Rooms , Store Room and Storage of Level 2






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 540 201FLOW M3/H 918 341.7LENGTH M 1.43 4.55 6.0 mlDIAM. mm 322 219DIAM. EQUIV. 322 219WIDTH mm 350 200HEIGHT mm 250 200AREA M2 0.08 0.04VELOCITY M/S 3.13 2.53PD per Meter Pa 0.42 0.45


KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1 2TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 3 1TRANSITION 0.25CONTRACTION 0.05 3AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.70 0.85 1.55

DUCTS PD Pa 3.73 2.96 6.69 Pa









Static pressure calculation of inline exhaust fans EF-92A serving Manager's Toilet-3 & 4 of Level-13.






SECTION 1 2 3 4 5 6 7 8 9 10 11 TOTALFLOW CFM 212 106FLOW M3/H 360.4 180.2LENGTH M 2 3.2 5.2 mlDIAM. mm 189 219DIAM. EQUIV. 189 219WIDTH mm 200 200HEIGHT mm 150 200AREA M2 0.03 0.04VELOCITY M/S 3.57 1.33PD per Meter Pa 1.02 0.14


KSI 1 2 3 4 5 6 7 8 9 10 11 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1 2TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1TRANSITION 0.25CONTRACTION 0.05 2 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.55 0.55

DUCTS PD Pa 3.83 3.83 Pa









Static pressure calculation of inline exhaust fans EF-28 and EF-33A serving Electrical Rooms of GF and L1.






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 201FLOW M3/H 341.7LENGTH M 0.9 0.9 mlDIAM. mm 218.633DIAM. EQUIV. 218.633WIDTH mm 200HEIGHT mm 200AREA M2 0.04VELOCITY M/S 2.53PD per Meter Pa 0.45

PD x LENGTH Pa 0.41 0.41 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 2TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1TRANSITION 0.25CONTRACTION 0.05 2AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.95 0.95


PRESSURE DROP Pa 3.72 3.72 Pa








Static pressure calculation of inline exhaust fans EF-76,EF-81A and EF-87, serving Manager's Toilet of L10,L11 & L12

AFFAIR : EXHAUST AIR DUCT SITE : GENERAL AUDITING BUREA Date :





SECTION 1 2 3 4 5 6 7 8 9 10 11 TOTALFLOW CFM 106FLOW M3/H 180.2LENGTH M 2 2.0 mlDIAM. mm 189DIAM. EQUIV. 189WIDTH mm 200HEIGHT mm 150AREA M2 0.03VELOCITY M/S 1.79PD per Meter Pa 0.29


KSI 1 2 3 4 5 6 7 8 9 10 11 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 2TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05TRANSITION 0.25CONTRACTION 0.05 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.85 0.85










Static pressure calculation of inline exhaust fans EF-102 serving President's Toilet of L15








KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 2TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05TRANSITION 0.25CONTRACTION 0.05 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.85 0.85










Static pressure calculation of inline exhaust fans EF-97 serving Manager's Toilet of L14








KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1TRANSITION 0.25CONTRACTION 0.05 2AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.15 0.15










Static pressure calculation of inline exhaust fans EF-35,EF-41A, EF-42,EF-47,EF-53, EF-59A,EF-63, EF-70, EF-75, EF-81,EF-86, EF-92 serving Manager's Toilet of L2,L3, L4,L5,L6,L7,L8,L9,L10,L11,L12 & L13.

AFFAIR : EXHAUST AIR DUCT SITE : GENERAL AUDITING BUREA Date :





SECTION 1 2 3 4 5 6 7 8 9 10 11 TOTALFLOW CFM 106FLOW M3/H 180.2LENGTH M 0.8 0.8 mlDIAM. mm 188.854DIAM. EQUIV. 188.854WIDTH mm 200HEIGHT mm 150AREA M2 0.03VELOCITY M/S 1.79PD per Meter Pa 0.29PD x LENGTH Pa 0.23 0.23 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 2TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05TRANSITION 0.25CONTRACTION 0.05 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.85 0.85DUCTS PD Pa 1.48 1.48 PaPRESSURE DROP Pa 1.71 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.71 Pa



FIRE DAMPER 35 1 35 103 PaDAMPER 10 0 FLOW AT 100% 180 m³/hSUPPLY GRILLE 15 0 * DUCTS PRESSURE DROP : 2 PaExhaust GRILLE 15 0 * FITTING PRESSURE DROP : 101 PaFRESH AIR GRILLE 20 0REJECT AIR GRILLE 15 0 113 PaPLANE FILTER 80 0 FLOW AT 110% 198 m³/hOIL BATH FILTER 150 0 * DUCTS PRESSURE DROP : 2 PaHOOD FILTER 100 0 * FITTING PRESSURE DROP : 111 PaPRIMARY HEATING COIL 5 0Disc Exhaust valve 43 1 43 123 PaFLEXIBLE CONNECTION 23 1 23 FLOW AT 120% 216 m³/hSOUND ATTENUATOR 40 0 * DUCTS PRESSURE DROP : 2 PaTOTAL 101 Pa * FITTING PRESSURE DROP : 121 Pa




Static pressure calculation of inline exhaust fans EF-37 and EF-40 serving Kitchen of Level 2 and Level 3.








KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05TRANSITION 0.25CONTRACTION 0.05 2AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.10 0.10










Static pressure for inline exhaust fans EF-103 serving Public Toilet L5-14 and toilet L5-27 in Level 15






SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALFLOW CFM 1038 911 529 233 106FLOW M3/H 1764.6 1548.7 899.3 396.1 180.2LENGTH M 2.9 2 2.2 1.25 11 19.4 mlDIAM. mm 399.61 377.71 299.1 218.6 163.97DIAM. EQUIV. 399.61 377.71 299.1 218.6 163.97WIDTH mm 450 400 300 200 150HEIGHT mm 300 300 250 200 150AREA M2 0.13 0.11 0.07 0.04 0.02VELOCITY M/S 3.91 3.84 3.56 2.93 2.37PD per Meter Pa 0.48 0.50 0.58 0.59 0.57

PD x LENGTH Pa 1.39 1.00 1.27 0.74 6.30 10.70 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24 2 4ELBOW 90° 0.4 1TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 2 2 2 1 1TRANSITION 0.25CONTRACTION 0.05 3 1 1 1AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.73 0.15 1.51 0.10 0.05 2.54

DUCTS PD Pa 6.08 1.21 10.41 0.47 0.15 18.31 Pa

PRESSURE DROP Pa 7.47 2.20 11.67 1.21 6.46 29.01 Pa








Static pressure calculation of inline exhaust fans EF-44,EF-50, EF-56,EF-62,EF-66, EF-72,EF-78, EF-83, EF-89, EF-94, EF-99,EF-104 serving Kitchen of L4,L5,L6,L7,L8,L9,L10,L11,L12,L13,L14 & L15.








KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05TRANSITION 0.25CONTRACTION 0.05 2AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.10 0.10










Static pressure calculation of inline exhaust fans EF-41,EF-46, EF-52,EF-58, EF-61, EF-68, EF-74, EF-80 EF-85, EF-91 &EF-96 serving Electrical Rooms of L3,L4,L5,L6,L7,L8,L9,L10,L11,L12 & L13








KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 2TEE 45° 0.3TEE 90° 1END TEE 1.5BRANCH TEE 0.05 1TRANSITION 0.25CONTRACTION 0.05 2AIR OUTLET 1.1GRILLE 0.44TOTAL KSI 0.95 0.95










PROJECT :- G.A.B. RIYADH DATE- 25-01-2012

FAHU, AHUS. EXTERNAL STATIC PRESSURE CALCULATIONS SUMMERY SHEET:-

S.I.NO AHU NO. LOCATION

1 AHU-01 15TH FLOOR 2582 AHU-02 15TH FLOOR 3023 AHU-03 14TH FLOOR 2564 AHU-04 14TH FLOOR 2495 AHU-05 13TH FLOOR 2376 AHU-06 13TH FLOOR 2447 AHU-07 12TH FLOOR 2508 AHU-08 12TH FLOOR 2549 AHU-09 11TH FLOOR 267

10 AHU-10 11TH FLOOR 24911 AHU-11 10TH FLOOR 28512 AHU-12 10TH FLOOR 27213 AHU-13 9TH FLOOR 27014 AHU-14 9TH FLOOR 25115 AHU-15 8TH FLOOR 23216 AHU-16 8TH FLOOR 27117 AHU-17 7TH FLOOR 23618 AHU-18 7TH FLOOR 21519 AHU-19 6TH FLOOR 26520 AHU-20 6TH FLOOR 21321 AHU-21 5TH FLOOR 28722 AHU-22 5TH FLOOR 24623 AHU-23 4TH FLOOR 25424 AHU-24 4TH FLOOR 23425 AHU-25 3RD FLOOR 23926 AHU-26 3RD FLOOR 21527 AHU-27 2ND FLOOR 26028 AHU-28 2ND FLOOR 22129 AHU-29 1ST FLOOR 23030 AHU-30 1ST FLOOR 22331 AHU-31 G.F FLOOR 23232 AHU-32 G.F FLOOR 22933 AHU-33 1ST FLOOR 25634 AHU-34 1ST FLOOR 26335 AHU-35 1ST FLOOR 24836 FAHU-01 ROOF 60737 FAHU-02 ROOF 476

STATIC PRESSURE AT110% PA

AFFAIR : SUPPLY FRESH AIR DUCT SITE : GENERAL AUDITING BUREAU DUCT NAME : FAHU-01 ROOF BUILDING : NORTH LOT




ALTITUDE : 623 Meters DATE-25-01-2012

ALTITUDE COEF. : 0.000 Revision :


DUCTS PRESSURE LOSSES BOARDA-B B-C C-D D-E E-F F-G G-H H-I I-J J-K K-L L-M M-N N-O O-P P-Q

SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TOTALFLOW CFM 654 2080 3604 4844 6094 7537 8692 10154 11432 12550 14470 15773 17214 18354 19685 20781FLOW M3/H 1111.8 3536 6126.8 8234.8 10359.8 12812.9 14776.4 17261.8 19434.4 21335 24599 26814.1 29263.8 31201.8 33464.5 35327.7LENGTH M 5 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 8 49.4 mlDIAM. mm 327.9496 457.01246 597.25521 685.5187 725.553 799.22054 833.36037 897.19578 927.17974 983.84881 1010.7162 1036.7082 1086.3202 1110.0502 1133.1264 1177.4808DIAM. EQUIV. 327.9496 457.01246 597.25521 685.5187 725.553 799.22054 833.36037 897.19578 927.17974 983.84881 1010.7162 1036.7082 1086.3202 1110.0502 1133.1264 1177.4808WIDTH mm 300 600 900 900 900 900 900 900 900 900 950 1000 1100 1150 1200 1300HEIGHT mm 300 300 350 450 500 600 650 750 800 900 900 900 900 900 900 900AREA M2 0.08 0.16 0.28 0.37 0.41 0.50 0.55 0.63 0.68 0.76 0.80 0.84 0.93 0.97 1.01 1.09VELOCITY M/S 3.66 5.99 6.07 6.20 6.96 7.09 7.53 7.58 8.00 7.80 8.52 8.82 8.77 8.96 9.22 9.01PD per Meter Pa 0.54 0.89 0.66 0.58 0.66 0.61 0.65 0.60 0.63 0.56 0.64 0.66 0.62 0.62 0.64 0.59

PD x LENG Pa 2.71 3.279888 2.43 2.13 2.45 2.26 2.39 2.21 2.34 2.08 2.36 2.45 2.28 2.31 2.38 4.70 31.38 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1 3TEE 45° 0.3TEE 90° 1END TEE 1.5 1 1BRANCH TE 0.05 1 1 1 1 1 1 1 1 1 1 1 1 1 1TRANSITIO 0.25 1CONTRACT 0.05 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1AIR OUTLE 1.1GRILLE 0.44TOTAL KSI 0.45 1.60 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 3.00 6.35

DUCTS PD Pa 3.28 31.26 2.01 2.09 2.64 2.74 3.09 3.13 3.48 3.31 3.95 4.24 4.19 4.37 4.63 132.78 211.22 Pa

PRESSURE Pa 5.99 34.54 4.44 4.22 5.09 5.00 5.47 5.35 5.83 5.39 6.32 6.69 6.48 6.68 7.01 137.49 251.99 Pa



FIRE DAMPER 35 2 70 380 PaDAMPER 10 1 10 FLOW AT 100% 29264 m³/hSUPPLY GRILLE 15 0 * DUCTS PRESSURE DROP : 252 PaRETURN GRILLE 15 0 * FITTING PRESSURE DROP : 128 PaFRESH AIR GRILLE 20 0REJECT AIR GRILLE 15 0 418 PaPLANE FILTER 80 0 FLOW AT 110% 32190 m³/hOIL BATH FILTER 150 0 * DUCTS PRESSURE DROP : 277 PaHOOD FILTER 100 0 * FITTING PRESSURE DROP : 141 PaVAV 50 0DIFFUSER 25 1 25 456 PaFLEXIBLE CONNECTION 23 1 23 FLOW AT 120% 35117 m³/hSOUND ATTENUATOR 40 0 * DUCTS PRESSURE DROP : 302 Pa













SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TOTALFLOW CFM 654 2080 3604 4844 6094 7537 8692 10154 11432 12550 14470 15773 17214 18354 19685 20781FLOW M3/H 1111.8 3536 6126.8 8234.8 10359.8 12812.9 14776.4 17261.8 19434.4 21335 24599 26814.1 29263.8 31201.8 33464.5 35327.7LENGTH M 5 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 8 49.4 mlDIAM. mm 273.29133 413.66203 532.81369 598.13052 655.8992 707.92675 755.41763 799.22054 839.95861 859.33047 896.6961 916.48448 954.35411 992.95486 1012.0215 1030.5919DIAM. EQUIV. 273.29133 413.66203 532.81369 598.13052 655.8992 707.92675 755.41763 799.22054 839.95861 859.33047 896.6961 916.48448 954.35411 992.95486 1012.0215 1030.5919WIDTH mm 250 600 600 600 600 700 800 900 1000 1050 1050 1100 1200 1200 1250 1300HEIGHT mm 250 250 400 500 600 600 600 600 600 600 650 650 650 700 700 700AREA M2 0.06 0.13 0.22 0.28 0.34 0.39 0.45 0.50 0.55 0.58 0.63 0.66 0.72 0.77 0.80 0.83VELOCITY M/S 5.26 7.31 7.63 8.14 8.52 9.04 9.16 9.56 9.74 10.22 10.82 11.29 11.36 11.19 11.56 11.76PD per Meter Pa 1.31 1.44 1.14 1.12 1.08 1.10 1.04 1.05 1.02 1.09 1.14 1.20 1.16 1.07 1.11 1.12PD x LENGT Pa 6.57 5.3236734 4.23 4.13 4.01 4.07 3.85 3.88 3.79 4.02 4.23 4.45 4.29 3.97 4.11 8.99 56.84 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1 3TEE 45° 0.3TEE 90° 1END TEE 1.5 1 1BRANCH TE 0.05 1 1 1 1 1 1 1 1 1 1 1 1 1 1TRANSITIO 0.25 1CONTRACT 0.05 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1AIR OUTLE 1.1GRILLE 0.44TOTAL KSI 0.45 1.60 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 3.00 6.35DUCTS PD Pa 6.80 46.58 3.18 3.61 3.95 4.46 4.57 4.98 5.17 5.69 6.38 6.95 7.04 6.83 7.28 226.26 349.72 PaPRESSURE Pa 13.36 51.90 7.41 7.74 7.96 8.53 8.42 8.86 8.96 9.71 10.61 11.40 11.32 10.80 11.39 235.25 423.63 Pa



FIRE DAMPER 35 2 70 552 PaDAMPER 10 1 10 FLOW AT 100% 29264 m³/hSUPPLY GRILLE 15 0 * DUCTS PRESSURE DROP : 424 PaRETURN GRILLE 15 0 * FITTING PRESSURE DROP : 128 PaFRESH AIR GRILLE 20 0REJECT AIR GRILLE 15 0 607 PaPLANE FILTER 80 0 FLOW AT 110% 32190 m³/hOIL BATH FILTER 150 0 * DUCTS PRESSURE DROP : 466 PaHOOD FILTER 100 0 * FITTING PRESSURE DROP : 141 PaVAV 50 0DIFFUSER 25 1 25 662 PaFLEXIBLE CONNECTION 23 1 23 FLOW AT 120% 35117 m³/hSOUND ATTENUATOR 40 0 * DUCTS PRESSURE DROP : 508 PaTOTAL 128 Pa * FITTING PRESSURE DROP : 154 Pa












SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TOTALFLOW CFM 521 1993 2987 3983 4477 5399 6151 7268 8221 9141 10455 11499 12582 13500 15430 16788FLOW M3/H 885.7 3388.1 5077.9 6771.1 7610.9 9178.3 10456.7 12355.6 13975.7 15539.7 17773.5 19548.3 21389.4 22950 26231 28539.6LENGTH M 5 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 8 49.4 mlDIAM. mm 273.29133 413.66203 496.47743 566.56322 598.13052 655.8992 682.5449 707.92675 755.41763 799.22054 876.28063 876.28063 896.6961 932.42396 992.95486 1029.9977DIAM. EQUIV. 273.29133 413.66203 496.47743 566.56322 598.13052 655.8992 682.5449 707.92675 755.41763 799.22054 876.28063 876.28063 896.6961 932.42396 992.95486 1029.9977WIDTH mm 250 600 600 600 600 600 650 700 800 900 1000 1000 1050 1050 1200 1200HEIGHT mm 250 250 350 450 500 600 600 600 600 600 650 650 650 700 700 750AREA M2 0.06 0.13 0.19 0.25 0.28 0.34 0.37 0.39 0.45 0.50 0.60 0.60 0.63 0.68 0.77 0.83VELOCITY M/S 4.19 7.00 7.29 7.46 7.52 7.55 7.94 8.72 8.66 8.60 8.19 9.00 9.41 9.34 9.41 9.51PD per Meter Pa 0.87 1.33 1.15 1.02 0.97 0.87 0.91 1.03 0.94 0.87 0.71 0.84 0.89 0.83 0.78 0.76PD x LENGT Pa 4.34 4.9253763 4.24 3.77 3.58 3.22 3.36 3.81 3.48 3.21 2.62 3.11 3.28 3.08 2.90 6.11 46.94 Pa

KSI 1 2 3 4 5 6 7 8 9 10 11 12 13 TOTALELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1 3TEE 45° 0.3TEE 90° 1END TEE 1.5 1 1BRANCH TE 0.05 1 1 1 1 1 1 1 1 1 1 1 1 1 1TRANSITIO 0.25 1CONTRACT 0.05 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1AIR OUTLE 1.1GRILLE 0.44TOTAL KSI 0.45 1.60 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 3.00 6.35DUCTS PD Pa 4.31 42.76 2.89 3.03 3.09 3.10 3.43 4.14 4.09 4.03 3.65 4.42 4.82 4.75 4.83 148.01 245.37 PaPRESSURE Pa 8.66 47.69 7.13 6.80 6.66 6.32 6.79 7.95 7.57 7.24 6.27 7.53 8.10 7.83 7.72 154.12 304.40 Pa



FIRE DAMPER 35 2 70 432 PaDAMPER 10 1 10 FLOW AT 100% 21389 m³/hSUPPLY GRILLE 15 0 * DUCTS PRESSURE DROP : 304 PaRETURN GRILLE 15 0 * FITTING PRESSURE DROP : 128 PaFRESH AIR GRILLE 20 0REJECT AIR GRILLE 15 0 476 PaPLANE FILTER 80 0 FLOW AT 110% 23528 m³/hOIL BATH FILTER 150 0 * DUCTS PRESSURE DROP : 335 PaHOOD FILTER 100 0 * FITTING PRESSURE DROP : 141 PaVAV 50 0DIFFUSER 25 1 25 519 PaFLEXIBLE CONNECTION 23 1 23 FLOW AT 120% 25667 m³/hSOUND ATTENUATOR 40 0 * DUCTS PRESSURE DROP : 365 PaTOTAL 128 Pa * FITTING PRESSURE DROP : 154 Pa




AFFAIR : SUPPLY FRESH AIR DUCT SITE : GENERAL AUDITING BUREAU

DUCT NAME : FAHU-02 ROOF BUILDING : NORTH LOT

GENERAL DATA

DUCT MATERIAL : GI DUCT



ALTITUDE : 623 Meters

ALTITUDE COEF. : 0.000

AIR DENSITY : 1.09 Kg/m3

DUCTS PRESSURE LOSSES BOARDA-B B-C C-D D-E E-F F-G G-H

SECTION 1 2 3 4 5 6 7FLOW CFM 521 1993 2987 3983 4477 5399 6151FLOW M3/H 885.7 3388.1 5077.9 6771.1 7610.9 9178.3 10456.7LENGTH M 5 3.7 3.7 3.7 3.7 3.7 3.7DIAM. mm 299.06526 496.47743 566.56322 566.56322 655.8992 707.92675 732.17978DIAM. EQUIV. 299.06526 496.47743 566.56322 566.56322 655.8992 707.92675 732.17978WIDTH mm 300 600 600 600 600 600 750HEIGHT mm 250 350 450 450 600 700 600AREA M2 0.07 0.19 0.25 0.25 0.34 0.39 0.42VELOCITY M/S 3.50 4.86 5.59 7.46 6.26 6.48 6.90PD per Meter Pa 0.56 0.55 0.60 1.02 0.62 0.60 0.65

PD x LENG Pa 2.80 2.0289236 2.23 3.77 2.29 2.22 2.39

KSI 1 2 3 4 5 6 7ELBOW 30° 0.18ELBOW 45° 0.24ELBOW 90° 0.4 1TEE 45° 0.3TEE 90° 1END TEE 1.5 1BRANCH TE 0.05 1 1 1 1 1 1TRANSITIO 0.25CONTRACT 0.05 1 1 1 1 1 1 1AIR OUTLE 1.1GRILLE 0.44TOTAL KSI 0.45 1.60 0.10 0.10 0.10 0.10 0.10

DUCTS PD Pa 3.01 20.61 1.71 3.03 2.13 2.29 2.59

PRESSURE Pa 5.81 22.64 3.94 6.80 4.42 4.51 4.98



FIRE DAMPER 35 2 70DAMPER 10 1 10SUPPLY GRILLE 15 0RETURN GRILLE 15 0FRESH AIR GRILLE 20 0REJECT AIR GRILLE 15 0PLANE FILTER 80 0OIL BATH FILTER 150 0HOOD FILTER 100 0VAV 50 0

DIFFUSER 25 1 25FLEXIBLE CONNECTION 23 1 23SOUND ATTENUATOR 40 0

TOTAL 128 Pa

DATE-25-01-2012

Revision :

1.18 @ 22or 24 &50%

H-I I-J J-K K-L L-M M-N N-O O-P P-Q

8 9 10 11 12 13 14 15 16

7268 8221 9141 10455 11499 12582 13500 15430 1678812355.6 13975.7 15539.7 17773.5 19548.3 21389.4 22950 26231 28539.6

3.7 3.7 3.7 3.7 3.7 3.7 3.7 3.7 8777.73691 819.94026 839.95861 916.48448 954.35411 896.6961 932.42396 992.95486 1029.9977777.73691 819.94026 839.95861 916.48448 954.35411 896.6961 932.42396 992.95486 1029.9977

850 950 1000 1100 1200 1050 1050 1200 1200600 600 600 650 650 650 700 700 7500.48 0.53 0.55 0.66 0.72 0.63 0.68 0.77 0.837.22 7.35 7.79 7.48 7.59 9.41 9.34 9.41 9.51

0.65 0.63 0.68 0.57 0.56 0.89 0.83 0.78 0.76

2.41 2.34 2.52 2.11 2.06 3.28 3.08 2.90 6.11

8 9 10 11 12 13

3

11 1 1 1 1 1 1 1

11 1 1 1 1 1 1 1 1

0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 3.00

2.84 2.95 3.31 3.05 3.14 4.82 4.75 4.83 148.01

5.26 5.28 5.83 5.16 5.20 8.10 7.83 7.72 154.12

FLOW AT 100%* DUCTS PRESSURE DROP :* FITTING PRESSURE DROP :

FLOW AT 110%* DUCTS PRESSURE DROP :* FITTING PRESSURE DROP :



FLOW AT 120%

* DUCTS PRESSURE DROP :

* FITTING PRESSURE DROP :


TOTAL

49.4 ml

32.43 Pa

TOTAL

6.35

213.07 Pa

257.59 Pa

386 Pa21389 m³/h

258 Pa128 Pa

424 Pa23528 m³/h

283 Pa141 Pa

463 Pa25667 m³/h

309 Pa

154 Pa

Static Pressure Fans

Documents