Estate Service Asset - PDO
Estate Service Asset - PDO
Estate Service Asset - PDO
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Petroleum Development Oman<br />
<strong>Estate</strong> <strong>Service</strong>s <strong>Asset</strong><br />
Environmental Assessment<br />
2002 Review and Update<br />
Impact Rating<br />
Air Pollution<br />
Nature of impact (beneficial / adverse)<br />
Adverse<br />
Duration of impact (short term / long term)<br />
Long term<br />
Likelihood of occurrence (very low / low / medium / high / very high) Medium #<br />
Significance of impact (slight / minor / localized / major / massive)<br />
Localised<br />
Potential risk level (low, medium, high and extreme) High #<br />
# The direct risk from the estate services activities is low. However, when the transboundary emissions<br />
are considered, the potential risk level is elevated to high.<br />
• Noise Pollution<br />
Noise generation sources are not significant in areas serviced by estate services. The<br />
stationary sources include diesel generators and small compressors, pumps and<br />
motors used in several places such as STPs, air conditioning plants, water pumping<br />
stations. The diesel generators are operated very sparingly for emergency power<br />
supply. Among the other sources, the motors used in the RAH-STP may be<br />
considered significant due to its proximity to residential units. However, the noise<br />
level at source is not very high. The mobile noise generating sources are the vehicles<br />
used for the transportation of people and goods in and out of <strong>PDO</strong>’s coastal areas.<br />
From the above sources, the noise generation is rated as intermittent. All these<br />
equipment generate noise levels ranging from 65 dB(A) to above 90 dB(A) at the<br />
source points.<br />
Based on the above discussion, the impact on ambient noise is assessed as below:<br />
Impact Rating<br />
Nature of impact (beneficial / adverse)<br />
Duration of impact (short term / long term)<br />
Likelihood of occurrence (very low / low / medium / high / very high)<br />
Significance of impact (slight / minor / localized / major / massive)<br />
Potential risk level (low, medium, high and extreme)<br />
Increase in Ambient<br />
Noise Levels<br />
Adverse<br />
Long term<br />
Low<br />
Minor<br />
Medium<br />
6.6 Impacts on Water Environment<br />
With respect to water environment, only groundwater is considered since the estate<br />
services asset has no interface with the marine environment. The potential<br />
environmental effects on the water environment and the associated environmental<br />
hazards are listed below:<br />
Environmental Hazards<br />
- Land discharge of treated sewage effluent<br />
- Accidental spills and leaks of oils and chemicals<br />
Potential Environmental Effects<br />
- Groundwater pollution<br />
The groundwater in the MAF area is highly saline. The groundwater flow is<br />
discharged into the sea. The land discharge of treated sewage effluent can affect the<br />
©HMR Environmental Engineering Consultants C6 - 5<br />
Oman’s Environmental Consultancy<br />
HMR\1501\<strong>Estate</strong> <strong>Service</strong>s
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