Estate Service Asset - PDO

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Petroleum Development Oman Estate Services Asset Environmental Assessment 2002 Review and Update a concentration of 1.5-2 ppm. Automatic controllers are used to ensure that overdosing is avoided. The hypochlorite storage drums are placed on cemented floor with leak containment facilities. • Sewage leaks and spills About 1100 m 3 /d of sewage is generated. Sewage is transferred from the various points of generation to the STPs via a network of underground pipes. Since the pipes are buried at least a meter below the ground, no major leaks are expected. Minor leaks may be expected due to structural defects in the pipe joints or fittings. Such leaks are easily identified by the wetness of the surrounding soil, and the necessary repairs are promptly carried out. ©HMR Environmental Engineering Consultants C4 - 10 Oman’s Environmental Consultancy HMR\1501\Estate Services
Petroleum Development Oman Estate Services Asset Environmental Assessment 2002 Review and Update 5 ENVIRONMENTAL SETTING 5.1 Introduction The estate services asset is one of the eight technical service providers in PDO. Unlike all the other service assets, the estate services asset operates only on the coast (in MAF and RAH areas) and does not operate in any of the interior areas. In this chapter, a description of the environment in the areas serviced by estate services asset and the surrounding areas is presented. The data presented in this section is extracted from several earlier EIA studies carried out for the MAF area. The recent studies include the November 2000 study for estate services (Reference 5) and the February 2002 study for Al Khoud – MAF water pipeline replacement (Reference 6). 5.2 Topography MAF is situated on the shore of the Gulf of Oman approximately 8km west of Muscat and 4 km north of Ruwi, the main commercial centres of the region. The MAF complex is situated within a natural bowl, which is formed by the surrounding hills. The steep, uninhabited Jabal Laqab formation distinguishes the eastern boundary of MAF, rising 214m above sea level. East of Jabal Laqab is the small fishing village of Darsait. There are a number of wadis that traverse the MAF area. However within the industrial area, all the natural drainage channels has been converted to concrete channels to divert any surface water flow into the sea. The natural drainage direction is towards the sea. There is no permanent surface water flow in the area and any surface water movements are generated from rainfall events. The western fringe of MAF is characterised by a narrow, uninhabited land area, which rises steeply to a height of 113m above sea level. Beyond this, at 40-60 m elevation are the areas of RAH and Al Qurum with significant residential and commercial development. 5.3 Geology and Soil The MAF area is situated in the southern part of the Batinah coastal plain, a narrow alluvial plain approximately 200 km long that rises gently from the sea to an altitude of around 150 m inland. Several wadis traverse the plain from the Al Hajar ©HMR Environmental Engineering Consultants C5 - 1 Oman’s Environmental Consultancy HMR\1501\Estate Services
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ENVIRONMENTAL ASSESSMENT OF ESTATE
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