Abu Dhabi Gas Industries Company (Gasco) has invited companies to respond to an initial inquiry by 30 June for the engineering, procurement and construction (EPC) contract on the debottlenecking of the Bu Hasa gas plant (MEED 25:11:05).The estimated $250 million-300 million project calls for the revamp of the existing train 1 to meet the original design capacity of 300 million cubic feet a day (cf/d). A tender is due to be issued in late July for the contract. The project is part of Gasco’s plans to increase gas handling capacity. Prequalification is expected to be launched by early July for the debottlenecking of the Thamama C gas plant. Worth $350 million, it involves a revamp of the existing process plant, modifications to the heat exchangers, stabilisers and compressors and related facilities. The project is aimed at increasing sour gas handling capacity to 630 million cf/d from 540 million cf/d. Paris-based Technip has carried out the front-end engineering and design (FEED) contracts for both projects.