The owner is the Ministry of Public Works, the project is 50 meters under ground, with diameter of 48 meters, with support of the main contractor "Mishref Trading & Contracting Co.", and the designer "Gulf Consultants" office.
For one year, many tries couldn't stop the strong water leakage, what caused many problems, and many companies with many materials failed to stop the water leakage, then we had been selected to apply Penetron materials, and we did the best water proofing ever, and we provided a grantee of 20 years, what leaded the ministry to give us the Control Building of the Ministry of Public Works as a result of trust.