Spaces

Leq dB(A)

NC

Recommended dB(A)

Recommended NC

Subjective assessment

Classroom PG 03

37

30

40 - 50

35 - 45

Quiet

Classroom PG 11

44.7

40

40 - 50

35 - 45

Moderate

Classroom PF 06

49

45

40 - 50

35 - 45

Moderate

Library—1^st floor

37.3

31

35 - 45

30 - 40

Quiet

Library—2^nd floor

37.3

30

35 - 45

30 - 40

Quiet

Library—Study Room 2.8

34.8

28

35 - 45

30 - 40

Quiet

Library—Ground floor

36.8

31

35 - 45

30 - 40

Quiet

Student Study Hall

64.8

62

45 - 55

40 - 50

Extremely noisy