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<br />I GEDllO - IK <br />! Exteme Preventiedienst <br />I Kunstlaan 18, 3500 HASSEL T <br />I <br />Tel: 011/22.62.42 <br /> <br />I" Subject: Sound measurement at a skateramp <br />" Company: SAUNACO 3265 <br /> <br />NR: 3265/01 <br />Date: 26/01/00 <br /> <br />. To: Mr. van Winkel, manager <br />· Reoort: Sound measurement at a skateramp <br />· Measurement done by: Doctor Rudi Maes <br />. Evaluated by: Doctor Rudi Maes <br />· Place of measurement outside, at the company grounds <br />· Date of measurement: Wednesday January 26th 2000 <br />· Purpose of the measurement: measurement of the noise at a skate-ramp, with a rolling <br />skateboard <br />· Measurinq method: soundmeter R/ON Nl- 15 <br />LA max will be measured <br />· Measurinq oarameters: measurement started at 15u30 till 16uOO Duration: 30 minutes <br />. Result-influencinQ parameters: <br />Background noise of 28 dBA <br />(When there are vehicles passing by, the background noise is higher, so there is no <br />measurement) <br />· Quality quarantees: annual calibration of the sound meter <br />· Measurement results: measured lateral of the skateramp: 1. Rolling skateboard <br />2. Falling skateboard <br /> <br />5 m distance <br /> <br />1: 49,7 <br />2: 72,4 <br />1: 42 <br />2:60 <br />1: 39,7 <br />2: 56,3 <br />2: 51 <br /> <br />10 m. <br /> <br />15 m. <br /> <br />25 m. <br /> <br />40m. <br /> <br />2: less than 45 <br /> <br />. Evaluation: <br />See remarks mentioned above <br /> <br />