This document is a construction method statement prepared by Dirham Mujahid Al-Salah for the East/West Pipeline Project of the Master Gas Pipeline Phase 1 Projects Division in Riyadh, Saudi Arabia. It provides details on the contracting company Dirham THuiahid At-$alah Est., their credentials including their commercial registration number, and contact information. It also lists the contract number and client, C.A.T. International Co L.T.D, for the pipeline construction project.