Project Location:

The Dhofar Governorate is located in the southern part of the country. It lies on the western border of Oman between Oman and Yemen. It is a highly mountainous area draining toward the cities placed along the coast. Salalah is the major city of the Governorate and is located at 135km from the main area of study, Sadh village.

The main component of the project:

• Design and Construction of a diversion dam within the Wadi Sadh to reduce the flood alleviation at Sadh Village;
• Design and Construction of the diversion channel to the neighbouring wadi, Jeeshjesh;
• Design and Construction of a bridge crossing wadi Jeeshjesh, connecting the main road to the village while taking in due consideration the increase in catchment area.

According to the TOR, the Scope of Work is detailed as follows:

Phase A – Feasibility Study and Preliminary Design

Phase B - Detailed Design and Tender Documents

Phase C - Construction Supervision

Based on the requirements of the TOR and the types of studies the project will be divided in the following sub-stages:

• Phase A –Feasibility Study and Preliminary Design
  • Inception (review and analysis of previous data and documents)
  • Field data collection and analysis)
  • Hydrological studies
  • Geological studies and site investigation
  • Topographical survey and mapping
  • Conceptual Design
  • Preliminary Ranking
  • Environmental Impact Assessment
  • Design Criteria
  • Preliminary Design & economic analysis
  • Feasibility Study (including the sub-studies)

• Phase B - Detailed Design and Tender Documents
  • Detailed design
  • Preparation of the Tender Documentation

• Phase C - Construction Supervision
  • Assistance during the Tender Process
  • Evaluation of the Tender Documentation
  • Actual Construction Supervision
  • Completion of the Construction project
  • Post-Construction phase