Increasing the height of the Chaghakhor Dam

Employer: Chaharmahal & Bakhtiari Regional Water Company

Consultant: Mahab Ghodss Consulting Engineers

This project is located in Borujen city of Chaharmahal & Bakhtiari province. The main objective of the project is to increase the water storage reservoir of international Chaghakhor wetland in order to feed agriculture and other predicted expenditures. This project has been concluded in the framework of the Sabzkouh water transfer project to Chaghakhor. The overall view of the project is as follows.

Project and operations specifications:

In this project and in the form of two separate contracts, the following were carried out:

1- Contract for increasing the height of the Chaghakhor dam: In order to increase the lake water depletion, the construction of Naghan-Boroujen alternative roads was provided by drilling a tunnel with a length of 200 m. Also, drilling operations and injections of the body of the dam and its surroundings were performed in this contract.

• Dam type: clay core
• The volume of the tank in the normal operating range: 13 million cubic meters
• Approximate size of excavation: 850000 cubic meters
• Approximate size of embankment: 1250000 cubic meters

2- Contract of remaining operations for increasing the height of the Chaghakhor dam, alternative road and residential camp: In this contract, an increase in the height of the Chaghakhor dam and the treatment of the body of the dam was conducted in accordance with the design average of 6 meters, the completion of alternative roads Avargan, as well as the construction of one unit of the residential office campus in an area of 800 square meters. Also, completion of geotechnical operations (drilling and injection) was also carried out.

• Approximate size of excavation: 800000 cubic meters
• Approximate size of embankment: 1200000 cubic meters