Appendix II

EXTERIOR DESIGN CONDITIONS

 

City

Longitude

East

(deg.)

Latitude

North

(deg.)

Elevation

above

sea

level

(m)

SUMMER

Winter

Av. Wind Vel. km/hr

Design DB

degree C

Daily Range

Design WB

Degree C

Design DB

degree C

Summer

Winter

1%

2.5%

5%

1%

2.5%

5%

99%

97.5%

Haripur

73

34

538.0

43.3

41.7

40.6

16.5

25.0

23.9

23.3

2.8

4.4

7.0

8.0

Hyderabad

68

25

30.0

45.0

42.2

41.1

15.0

28.3

27.2

26.7

5.6

7.8

16.0

24.0

Islamabad

73

33

591.0

43.9

41.7

39.4

13.3

28.3

27.2

26.1.

0.6

2.8

16.0

24.0

Jacobabad

68

28

56.0

46.7

44.4

43.3

15.0

28.3

27.2

26.1

7.2

8.9

3.0

10.0

Kalat

67

29

844.0

45.6

43.3

42.2

18.9

27.8

27.2

26.1

1.7

3.3

5.0

8.0

Karachi

67

25

4.0

41.1

40.0

35.0

11.1

29.4

28.3

27.8

6.7

9.4

24.0

24.0

Lahore

74

32

214.0

44.4

42.2

40.6

12.2

28.9

27.8

27.2

1.7

2.8

13.0

19.0

Multan

71

30

125.0

46.1

43.9

41.7

15.6

27.8

27.2

26.1

4.4

5.6

13.0

19.0

Peshawar

71

34

355.0

44.4

42.2

40.0

12.8

28.3

27.8

26.7

(->0.6

0.6

16.0

24.0

Quetta

67

30

1580.0

37.8

35.0

34.0

12.8

23.3

21.7

20.6

(->10.0

(-)6.7

13.0

29.0

Rawalpindi

73

33

508.0

44.4

42.2

40.0

13.3

27.8

27.2

26.1

0.6

2.8

16.0

24.0

Sukkur

69

28

67.0

43.3

41.7

40.6

12.8

28.3

27.2

26.7

7.2

8.9

5.0

7.0

 

*    The terminology used in this Table is in accordance with ASHRAE Handbook For the purpose of calculating OTTV and HVAC system sizing in accordance with the Building Energy Code, the Summer 2.5% and Winter 97.5% conditions shall be used.

 

 

INTERIOR DESIGN CONDITIONS

 

COOLING

HEATING

Temperature:

26 C

79 F

21 C

70 F

Relative

Humidity:

50%

40%

 

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