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Tel: +90 (312) 215 50 21 Faks: +90 (312) 215 50 28 e-posta: NOISE AND WORKPLACE NOISE MEASUREMENTS Hüseyin.

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... konulu sunumlar: "Tel: +90 (312) 215 50 21 Faks: +90 (312) 215 50 28 e-posta: NOISE AND WORKPLACE NOISE MEASUREMENTS Hüseyin."— Sunum transkripti:

1 Tel: +90 (312) Faks: +90 (312) e-posta: NOISE AND WORKPLACE NOISE MEASUREMENTS Hüseyin SEZEK Physicist İSGÜM Kocaeli Regional Chief 1

2 Tel: +90 (312) Faks: +90 (312) e-posta: Content - Introduction to Physical Factor Measurements - Noise - Noise Measurements - Methods - Equipment - Measurement and Evaluation - Report - Related Legal Regulation - Noise Measurement and Evaluation Practices 2

3 Tel: +90 (312) Faks: +90 (312) e-posta: A QUICK GLANCE TO THE OTHER PHYSICAL FACTORS - Vibration - T.Comfort 3

4 Tel: +90 (312) Faks: +90 (312) e-posta: EQUIPMENT USED 4

5 Tel: +90 (312) Faks: +90 (312) e-posta: WORKPLACE MEASUREMENTS HAND – ARM VIBRATION WHOLE BODY VIBRATION 5

6 Tel: +90 (312) Faks: +90 (312) e-posta: 6

7 Tel: +90 (312) Faks: +90 (312) e-posta: HAND-ARM VIBRATION EXPOSURE CALCULATION TS EN ISO and 2 7

8 Tel: +90 (312) Faks: +90 (312) e-posta: WHOLE BODY VIBRATION CALCULATION TS EN ISO and 2 8

9 Tel: +90 (312) Faks: +90 (312) e-posta: * Kişinin bulunduğu termal çevreden memnuniyetini ifade eden zihin algılaması. (ISO 7730) * Ortalama giyimli bir insanın ne çok sıcak ne çok soğuk hissetmesi. THERMAL COMFORT 9

10 Tel: +90 (312) Faks: +90 (312) e-posta: FACTORS AFFECTING THERMAL COMFORT *ENVIRONMENTAL FACTORS: - Air Temperature - Radiant Temperature - Air flow - Humidity *PERSONAL FACTORS : - Clothing - Metabolic rate 10

11 Tel: +90 (312) Faks: +90 (312) e-posta: 11

12 Tel: +90 (312) Faks: +90 (312) e-posta: EQUIPMENT USED Wet Bulb Glob Temperature WBGT 12

13 Tel: +90 (312) Faks: +90 (312) e-posta: 13 Hot environments; estimation of the heat stress on working man, based on the WBGT-index (wet bulb globe temperature) TS EN 27243

14 Tel: +90 (312) Faks: +90 (312) e-posta: Occupational Health and Safety Bylaw (İ.S.İ.G.T) (Article 20) ve (Article 21) “In closed workplaces sıcaklık ve nem derecesinin, yapılan işin niteliğine uygun olmakla beraber it must be warm esastır. Temperature must be between 15 ºC and 30 ºC at workplaces having steam a lot,. Yapılan işin niteliğine göre sürekli olarak çok sıcak veya çok soğuk bir derecede çalışılması ve bu durumun değiştirilmemesi zorunlu olunan hallerde, işçilere kendilerini fazla sıcaktan ve soğuktan koruyacak özellikte iş elbisesi v.s. malzeme verilecektir” hükmü bulunmaktadır. “Closed workplaces must be ventilated thoroughly at least once in a day. Ayrıca işçilerin çalışma sürelerinde işin özelliği, havanın sağlığa zararlı bir hal almaması için sık değiştirilmelidir. İş sırasında yapılan bu havalandırma işçileri etkileyecek hava akımları önlenecek, yada kış aylarında sıcaklık ani olarak çok aşağı hadlere düşürülmeyecektir. At workplaces, where suffocating, toxic or irritant gas exist çalışanların sağlıklarının tehlikeye girmemesi için ventilation installation must be made ve işçilere ayrıca yapılan işin özelliğine göre maske ve diğer koruyucu araç ve gereçler verilecektir.”hükümleri yer almaktadır. 14

15 Tel: +90 (312) Faks: +90 (312) e-posta: ASHRAE Standard ConditionsAcceptable temperature °C°F Summer (cloth. isolation = 0.5 clo) Rel. humidity 30% Rel. humidity 60% Winter (cloth. isolation = 1.0 clo) Rel. humidity 30% Rel. humidity 60% Source: National Research Council (Canada) Indoor Air Quality and Thermal Comfort in Open-Plan Offices, Construction Technology Update No. 64, October

16 Tel: +90 (312) Faks: +90 (312) e-posta: WBGT CALCULATION *Directly exposure to sun light: WBGT= 0,7*Temp wet bulb + 0,2*Temp globe +0,1*Temp air *Generally indoor: WBGT= 0,7* Temp wet bulb + 0,3* Temp globe *If environment conditions changes: (TWA) WBGT=WBGT 1 *t 1 +WBGT 2 *t WBGT N* t n t 1 + t t n 16

17 Tel: +90 (312) Faks: +90 (312) e-posta: 17 ILLUMINATION

18 Tel: +90 (312) Faks: +90 (312) e-posta: 18 Light and lighting - Lighting of work places - Part 1: Indoor work places TS EN Occup. Health and Safety Baylaw Recomended Lighting Values NoDivisionLimit Value (lux) 1 Open area, entrance roads20 2 Indoor roads, stairs50 3 Transporting and storing50 4 Basic assembly works100 5 Boiler house, storage area, lift cabines, dressing areas, mashine room, dining room, toilets Normal mounting, rough work counters,200 7 Areas where made detailed works300 8 Office, works requiring care500 9 Delicate works1000

19 Tel: +90 (312) Faks: +90 (312) e-posta: NOISE EXPOSURE MEASUREMENTS AND REPORT AT OCCUPATIONAL HEALTH AND SAFETY 19

20 Tel: +90 (312) Faks: +90 (312) e-posta: SOUND: is a wave stemming from vibration of objects and proceeding in constricting-expansion shaped from place to another place in a suitable media. 20

21 Tel: +90 (312) Faks: +90 (312) e-posta: A young and healthy ear generally hears the sounds among 20 Hz. and Hz. Interval of Sound Frequency 21

22 Tel: +90 (312) Faks: +90 (312) e-posta: NOISE, Generally, it is defined as unwanted and disturbing sound. Pressure Changes in a Medium Caused by Vibrations or Turbulence 22

23 Tel: +90 (312) Faks: +90 (312) e-posta: Noise at Industry is defined as sounds affecting workers physiologically and affecting work-output negatively. 23

24 Tel: +90 (312) Faks: +90 (312) e-posta: NOISE TYPES - Stable noise (automatized factories) - Unstable noise (shipyard building) - Impulse noise (weapon) -………. 24

25 Tel: +90 (312) Faks: +90 (312) e-posta: Hearing Loss resulting from noise is an occupational disease for employees. Factors are: 1 - Intensity, 2 - Frequency, 3 - Duration, 4 - Sensibility, 5 - Age, 6 - Gender 25

26 Tel: +90 (312) Faks: +90 (312) e-posta: Possible Effects of Noise on You  Temporary Hearing Loss  Permanent Hearing Loss  Low Birth Weight  Premature Birth  Anxiety  Nervousness  Sleep Loss  Digestive Disorders  Aggravation of Ulcers  Hypertension  Increases Heart Rate  Increased Blood Pressure  Increase in Respiration and Oxygen Consumption  Increase in Sweating  Disruption in Communications 26

27 Tel: +90 (312) Faks: +90 (312) e-posta: An average RMS level obtained via being divided of total acoustical energy,which belongs to measured sound pressure levels in a certain T-period, to measurement time and calculated electronically. Equivalent Continual Sound Level 27

28 Tel: +90 (312) Faks: +90 (312) e-posta: pain treshold music damaging speaking hearing 28

29 Tel: +90 (312) Faks: +90 (312) e-posta: Gun Shot Explosion Snowmobile Rock Concert Leaf Blower Chain Saw Hair Dryer Video Arcade Jet Engine Private Plane Power Saw Lawn Mower Normal Speech Decibels Common Decibel Levels 29

30 Tel: +90 (312) Faks: +90 (312) e-posta: EQUIPMENTS USED 30

31 Tel: +90 (312) Faks: +90 (312) e-posta: SOUND LEVEL METER DOSIMETERS Cabled/Non-cabled Type 0: Laboratory standard Type 1: Precise (Lab. and area) Type 2: Versatile (generally area) Type 3: Control (area) 31

32 Tel: +90 (312) Faks: +90 (312) e-posta: 32

33 Tel: +90 (312) Faks: +90 (312) e-posta: A scale: for human hearing B scale: by telephone companies C scale: for all sounds 33

34 Tel: +90 (312) Faks: +90 (312) e-posta: DISPLAY 34

35 Tel: +90 (312) Faks: +90 (312) e-posta: 6/2/2003 date and 2003/10/EC directive based Noise Regulation with 23/12/2003 date and number came into force on 23/12/2006 Adopts daily personal exposure Bases on TSE 2607 standard about measurement method and calculation of exposure mentions about necessary measures to protect employees from harmful effects of noise and oblige employer to ensure them taking needed responsibility on this subject LEGAL REGULATION 35

36 Tel: +90 (312) Faks: +90 (312) e-posta: NOISE EXPOSURE LIMIT VALUE LEX, 8h = 87 dB (A) ve ppeak = 200 µ Pa= 140 dB(C) !!! You must take into consideration SNR values of ear protection!!! 36

37 Tel: +90 (312) Faks: +90 (312) e-posta: NOISE ACTION VALUES the highest action value Lex,8h = 85 dB (A) ppeak = 137 dB (C) the lowest action value Lex,8h = 80 dB (A) ppeak = 135 dB (C) 37

38 Tel: +90 (312) Faks: +90 (312) e-posta: AT WORKPLACE SURVEYS - in accordance with TS EN 2607 ISO 1999 Determination of occupational noise exposure and estimation of noise-induced hearing impairment TS EN ISO 9612 standards Determination of occupational noise exposure - Engineering method (ISO/FDIS 9612:2008) - at all working areas where workers are, - with type 1 sound level meters with compatible IEC 651/804 standard and IEC61252 noise dosimeters, personal noise exposures have been measured. 38

39 Tel: +90 (312) Faks: +90 (312) e-posta: before measuring noise we should know…  divisions of factory and number of workers  at what division which worker? by what equiments? and how long?  grouping of who make the same work / who work at the same division  noise types (stable, unstable, peak)  work frequency routine work or more/lower) 39

40 Tel: +90 (312) Faks: +90 (312) e-posta: Calibration Before and after measurements you must calibrate the sound level meter or dosimeter. This process ensures you to control whether the equipment works well or not. ACOUSTIC CALIBRATION 40

41 Tel: +90 (312) Faks: +90 (312) e-posta: NOISE MEASUREMENT WITH “SLM” 41

42 Tel: +90 (312) Faks: +90 (312) e-posta: DAILY EXPOSURE CALCULATION 42

43 Tel: +90 (312) Faks: +90 (312) e-posta: TS 2607 ISO 1999:2005 L EX, 8h =L Aeq,T e +10 log (T e /T 0 ) daily exposure calculation for different works 43

44 Tel: +90 (312) Faks: +90 (312) e-posta: DAILY EXPOSURE CALCULATION (L Aeq dB) Time (min) Görev /T Görev , Görev 3 99,65 Görev 4 92,760 Görev 5 62,8240 Görev 6 89,450 i ç form ü l Total time ü s1 ü s2 LAeq,T (dB)=87, LEX, 8h (dB)=87, ü s3 ü s ü s5 ü s , Te (dak)T0 (dak) 480 leq1/10leq2/10leq3/10leq4/10leq5/10leq6/ ,969,276,288,94 LAeq,T: Ç alışılan s ü re i ç erisinde maruz kalınan eşdeğer g ü r ü lt ü seviyesi LEX, 8h : G ü nl ü k 8 saate normalize edilmiş kişisel maruziyet 44

45 Tel: +90 (312) Faks: +90 (312) e-posta: POSITON OF MICROPHONE IN INDOOR 45

46 Tel: +90 (312) Faks: +90 (312) e-posta: Height of microphone from ground 46

47 Tel: +90 (312) Faks: +90 (312) e-posta: Division / WorkerThe sort of work (Leq,dB( A) Time min. (Lex,8) dB(A) Ppeak dB(C) Max.permis sible time without PPE 1 NOLU KIRMA FABRİKASI (Makinist iş ç ileri) Turgut SULU Ekrem ACAR M ü nir G Ü L Kumanda Odası72, ,9 98,1 Kırma Kontrol Ortamı95,530119,542 / 0,7 2.Kat Kabuklu elekler91,530109,9107 / 1,8 2.Kat İ ç Ambar 84,830104,0 3.Kat Kabuklu elekler97,930114,925 / 0,4 3.Kat İ ç Ambar 92,630111,683 / 1,4 4.Kat97,830115,125 / 0,4 Merdivenler86,310109,5355 / 5,9 DOLUM Ü NİTESİ Mehmet Demirci Kantar dolum89, ,9 108,7177 / 2,9 Toz elek ve ortam88, ,4205 / 3,4 Ö N LAZER Kabin iş ç ileri Kabin 1 (Girişte sağda)99,148099,1116,819 / 0,3 Ö N LAZER Kabin iş ç ileri Kabin 2 (Girişte solda)99,648099,6116,817 / 0,3 Ö N LAZER Kabin iş ç ileri Kabin 3 (Girişte karşıda)98,348098,3116,722 / 0,4 Ö N LAZER Se ç kin Ç İLELİ Forklift iş ç isi İ ç eriden y ü k alma ve dışarı y ü k indirme 87,648087,6112,4263 / 4,4 Ö N LAZER Nurcan ATMACA Kantar İş ç isi 95,648095,6111,342 / 0,7 REPORT 47

48 Tel: +90 (312) Faks: +90 (312) e-posta: Division / WorkerThe sort of work(L C,dB(C) SNR Act. Level in ear L ET dB Protection level 1 NOLU KIRMA FABRİKASI (Makinist iş ç ileri) Turgut SULU Ekrem ACAR M ü nir G Ü L Kumanda Odası85,02866 High Kırma Kontrol Ortamı97,02878 Good 2.Kat Kabuklu elekler92,02873 Acceptable 2.Kat İ ç Ambar 85,92866,9 High 3.Kat Kabuklu elekler97,92878,9 Good 3.Kat İ ç Ambar 93,92874,9 Acceptable 4.Kat98,22879,2 Good Merdivenler91,02872 Acceptable DOLUM Ü NİTESİ Mehmet Demirci Kantar dolum89,22870,2 Acceptable Toz elek ve ortam91,02870,2 Acceptable Ö N LAZER Kabin iş ç ileri Kabin 1 (Girişte sağda)99,52876,5 Good Ö N LAZER Kabin iş ç ileri Kabin 2 (Girişte solda)99,82876,8 Good Ö N LAZER Kabin iş ç ileri Kabin 3 (Girişte karşıda)99,42876,4 Good Ö N LAZER Se ç kin Ç İLELİ Forklift iş ç isi İ ç eriden y ü k alma ve dışarı y ü k indirme 89,92866,9 High Ö N LAZER Nurcan ATMACA Kantar İş ç isi 97,22874,2 Acceptable REPORT 48

49 Tel: +90 (312) Faks: +90 (312) e-posta: Noise mapping ?? 49

50 Tel: +90 (312) Faks: +90 (312) e-posta: ENVIRONMENTAL NOISE MEASUREMENT - different ministry and regulation - strategic noise maps - Lden (day, evening, night noise indicator) - different standards and methods - highway traffic noise - railway noise 50

51 Tel: +90 (312) Faks: +90 (312) e-posta: Bring health and safety forward please… شُكْرًا 51


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