ABSTRACT
The study involved measurements and
analyses of noise levels and doses for 14 weeks in setraco quarry ugwuele
uturu. The quarry site were divided into three zones, more noise zone (A),
medium noise zone (B) and less noise zone (C). The site has about 60-100
workers in different sections of the quarry. Noise dosimeter and noise level
meter was ised to for the data collected and an Arc-GIS for data analyses which
showed the distribution of noise levels in the quarry area. The maximum sound
distribution pattern (SD%) is 117.5 SD% which is at the blasting/drilling point
while the minimum sound distribution pattern (SD %) is 39.6 SD% which is at the
nearest settlement close to the quarrying area. The measured maximum noise
levels Lm were as high as 117.5 dB(A) at the blasting/drilling sites. Noise
levels at the facades of the houses in the community and administrative
building and noise exposure levels range from 96.0 to 69.8 dB(A), respectively.
Most of these results showed an elevation over the control and standard limits
with respect to noise levels. These elevations could be attributed to the
quarrying activities. Therefore, these quarry workers ought to be protected to
avoid much occupation hazard. Longtime exposure to noise sources from the zone
A and B will affect the workers psychologically, physically and mentally if
strict control measures is not implemented. Workers and individual within zone
(C) are mainly affected by noise from vehicular movement and less from other
sources of noise from the quarry.
OBIEFUNA, C (2021). Measurements Anji Analyses Of Noise Levels And Dose At Setraco Quarry Site, Ugwuele, Uturu, Isuikwuato Local Government Area, Abia State, Nigeria. Repository.mouau.edu.ng: Retrieved Nov 28, 2024, from https://repository.mouau.edu.ng/work/view/measurements-anji-analyses-of-noise-levels-and-dose-at-setraco-quarry-site-ugwuele-uturu-isuikwuato-local-government-area-abia-state-nigeria-7-2
CHUKWUEBUKA, OBIEFUNA. "Measurements Anji Analyses Of Noise Levels And Dose At Setraco Quarry Site, Ugwuele, Uturu, Isuikwuato Local Government Area, Abia State, Nigeria" Repository.mouau.edu.ng. Repository.mouau.edu.ng, 08 Jul. 2021, https://repository.mouau.edu.ng/work/view/measurements-anji-analyses-of-noise-levels-and-dose-at-setraco-quarry-site-ugwuele-uturu-isuikwuato-local-government-area-abia-state-nigeria-7-2. Accessed 28 Nov. 2024.
CHUKWUEBUKA, OBIEFUNA. "Measurements Anji Analyses Of Noise Levels And Dose At Setraco Quarry Site, Ugwuele, Uturu, Isuikwuato Local Government Area, Abia State, Nigeria". Repository.mouau.edu.ng, Repository.mouau.edu.ng, 08 Jul. 2021. Web. 28 Nov. 2024. < https://repository.mouau.edu.ng/work/view/measurements-anji-analyses-of-noise-levels-and-dose-at-setraco-quarry-site-ugwuele-uturu-isuikwuato-local-government-area-abia-state-nigeria-7-2 >.
CHUKWUEBUKA, OBIEFUNA. "Measurements Anji Analyses Of Noise Levels And Dose At Setraco Quarry Site, Ugwuele, Uturu, Isuikwuato Local Government Area, Abia State, Nigeria" Repository.mouau.edu.ng (2021). Accessed 28 Nov. 2024. https://repository.mouau.edu.ng/work/view/measurements-anji-analyses-of-noise-levels-and-dose-at-setraco-quarry-site-ugwuele-uturu-isuikwuato-local-government-area-abia-state-nigeria-7-2