Construction & laying of various diameters carbon steel underground / aboveground pipelines including piping for PPL’S Gambat south field – Gambat block, Hala Gas Field - Hala block, Kandhkot Gas Field – Kandhkot block, Mazrani Gas Field – Mazrani block, Shah Bandar block, Sirani block, Kotri block, Khipro east block, Naushahro Firoz block and all other existing and new blocks in Sindh Province for two years & extendable for further one year on Call out basis.