Galfar Engineering and Contracting SAOG announced that it has been awarded the contract for operation & Maintenance of Salalah Waste Water System & Treated Effluent Supply Network for Five years by Salalah Sanitary Drainage Services Co. SAOC vide Letter of Award No: SSDC/A-323/77/2018 dated January 7, 2018 and received on January 8, 2018 for a total sum of OMR 12,981,675/-.