AHU Static Pressure Calc

25th Flr., Chath 116 Valero cor. Salcedo Village, 1227 Philippines Tel. (632) 887-1 Fax (632) 887-1 E-mail mpi@me

Meinhardt Philippines Inc.

Calculation/Sketch CV2 FACILITIES UPGRADE

MP306

Project

Project No.

Designed by

ND

Date

25 SEPTEMBER 2004

DUCT SECTION

CFM

SIZE (MM)

Sheet

FITTINGS LENGTH

W

H

DIA.

M

FT.

800

E

B

Br

R

FT.

FT.

FT.

FT.

Circ:

of

FN/OR/AGR/ND

TOTAL EQUIV.

1

EQUIV.

AIR

FRICTION

ELOC ELOCITY ITY ROP/ ROP/100 100 FT FT

LGTH. (FT.) LG LGTH. (FT.)

fpm

IN W.G.

AC SUPPLY DUCT 1

28,000

800

874.5

2.0

6.6

5.0

5.0

11.6

4195

0.48

2

28,000

1500 15 1500 16 1 640

1.5

4.9

0.0

4.9

1193

0.02

3

28,000

2000

600

1147

49.4

162.1

75.0

237.1

2437

0.13

4

22,400

1800

600

1096

5.0

16.4

30.0

5.0

35.0

51.4

2137

0.11

5

16,800

1400

600

980.3

5.0

16.4

30.0

5.0

35.0

51.4

2003

0.11

6

11,200

1000

600

840

5.0

16.4

30.0

5.0

35.0

51.4

1819

0.11

7

5,600

600

600

655.9

5.0

16.4

30.0

5.0

35.0

51.4

1492

0.10

8

3,360

500

500

546.6

3.0

9.8

45.0

54.8

1289

0.10

9

2,240

500

350

455.5

5.5

18.0

15.0

5.0

20.0

38.0

1237

0.12

10

1,120

350

300

354

5.5

18.0

15.0

5.0

20.0

38.0

1024

0.11

11

1,120

350

300

354

2.0

6.6

30.0

36.6

1024

0.11

12

1,120

350

300

354

2.0

6.6

0 .0

6.6

1024

0.25

75.0

15.0

30.0

30.0

AC SUPPLY DUCTS & FITTINGS

AC RETURN DUCT 12

5,000

760

500

670.2

4.0

13.1

15.0

30.0

13

5,000

760

500

670.2

5.0

16.4

15.0

14

10,000

1100

600

878.1

5.0

16.4

15.0

15

15,000

1500

600

1011

20.5

67.3

60.0

45.0

58.1

1276

0.08

5.0

20.0

36.4

1276

0.08

5.0

20.0

36.4

1486

0.07

60.0

127.3

1681

0.08

AC RETURN DUCTS & FITTINGS

 Abbreviations:

AC SUPPLY DUCTS & FITTINGS

E = Elbow Equivalenght Length

15 Ft.

VOLUME DAMPER ( x 3 )

B = Branch Equivalenght Length

30 Ft.

BACKDRAFT DAMPER

Br = Branch Run Equivalenght Length

15 Ft.

FIRE DAMPER

R = Reducer Equivalenght Length

5 Ft.

SUPPLY AIR DIFFUSER  AC RETURN DUCTS & FITTINGS VOLUME DAMPER ( x 2 ) FIRE DAMPER RETURN AIR GRILLE SUB-TOTAL  ADD 5% TOTAL FRICTION DROP IN WG

S:\MPI\MP408\2 S:\MPI\MP408\2 AHUS-2\178420635.xls.ms_office\ND AHUS-2\178420635.xls.ms_office\ND Date: 25 September 2004

am House Herrera Sts. , Makati City 391 172 inhardt.com.ph

/File

FRICTION DROP IN W.G.

0.056 0.001 0.304 0.055 0.056 0.057 0.053 0.055 0.044 0.042 0.041 0.016 0.779

0.044 0.028 0.026 0.097 0.195

0.779 0.375 0.400 0.200 0.150 0.195 0.250 0.200 0.150 2.700 0.135 2.835

S:\MPI\MP408\2 AHUS-2\178420635.xls.ms_office\ND Date: 25 September 2004

S:\MPI\MP408\2 AHUS-2\178420635.xls.ms_office\ND Date: 25 September 2004