Progetti

  • CLIENT

    Ministry of Regional Municipalities & Water Resources

  • LOCATION

    Wilayat Bahla, Ad-Dakhiliyah Governorate –  Sultanate of Oman

Bahla is one of the oldest towns in the Sultanate, 200 km  from the Governorate of Muscat with a population of about 50.000 inhabitants distributed in multiple clusters separated by large yet non-urbanized areas. The water supply  is guaranteed by wells and aflaj system. The town is not yet equipped with a dynamic sewerage network but with a scattered septic tanks for each house or agglomerate of houses. At present, the wastewater is collected by tankers to an existing treatment plant having a capacity of about 400 m3/d.

It is intention of the Sultanate of Oman, Ministry of Regional Municipalities & Water Resources to provide the city with a sewerage network system and a treatment plant with the aim of re-using the water for landscaping and agriculture re-use. The study area taken into account is about  25 km2.

The design and supervision services carried out by Sering International cover the following items:

  1. Sewerage Network (gravity line and pressure main) house connections, demolition of septic tanks for each houses
  2. Sewage Treatment Plant
  3. Reuse of treated water for landscaping
  4. Any other work related to the project

Services provided by Sering International

1) Technical and economical feasibility, including the following tasks:

  • Data Collection, Topographic Survey and Physical survey of existing services and networks
  • Hydraulic study of sewerage network system
  • Determination of the Characteristics of the Sewerage System
  • Study of the Treatment Plant
  • Modeling of different drainage patterns
  • Preliminary cost estimate

2) Preliminary design

  • Comprehensive system check
  • Construction program

3) Detailed design and Tender Documents

  • Review and Analysis of the Preliminary design
  • Final Design including design drawings, bill of quantities, etc…
  • Preparation of Tender Documents for Construction Works
  • Assistance to the Client during tendering stage and selection of suitable contractor

4) Supervision Services during Construction until maintenance/defects liability period

The Preliminary Design and the Detailed Design have been approved by the Client