1. INTRODUCTION 1.1 PURPOSE OF THE DOCUMENT The purpose of this procedure is to outline the sequence of operations to be carried out for geometry control of segments cast using the long line casting method, and to ensure that all works will be conducted safely and in accordance with the drawings and the Project specifications. 1.2 PROJECT DESCRIPTION Ho Chi Minh City Urban Railway Construction Project – Ben Thanh – Suoi Tien section (Line 1), Contract Package 2 consists of approximately 12 km long of U-girder segments to be erected using span-by-span method.

1 INTRODUCTION 1.1 PURPOSE OF THE DOCUMENT The purpose of this procedure is to define the equipment, materials and method for the fabrication of post tensioning duct, and ensure that the corrugated duct production process is carried out properly to satisfy the applicable requirements and the clients. 1.2 PROJECT DESCRIPTION Ho Chi Minh City Urban Railway Construction Project – Ben Thanh – Suoi Tien section (Line 1), contract Package 2 consists of approximately 12 km long of elevated viaduct structures, erected by span-by-span Method.

1. INTRODUCTION 1.1 PURPOSE OF THE DOCUMENT The purpose of this procedure is to define the sequence of operations to be carried out for the mould preparation & operation works of the Short Line Pier mould, including general arrangements, construction methodologies, technical solutions and other works, and ensures that all works will be conducted safely in accordance with the drawings and the project specifications. 1.2 PROJECT DESCRIPTION Ho Chi Minh City Urban Railway Construction Project – Ben Thanh – Suoi Tien section (Line 1), contract Package 2 consists of approximately 12 km long of elevated viaduct structures, erected by span-by-span Method.

1. INTRODUCTION 1.1 PURPOSE OF THE DOCUMENT The purpose of this procedure is to define the sequence of operations to be carried out for the mould preparation & operation works of the Short Line Typical mould, including general arrangements, construction methodologies, technical solutions and other works, and ensures that all works will be conducted safely in accordance with the drawings and the project specifications. 1.2 PROJECT DESCRIPTION Ho Chi Minh City Urban Railway Construction Project – Ben Thanh – Suoi Tien section (Line 1), contract Package 2 consists of approximately 12 km long of elevated viaduct structures, erected by span-by-span Method.

1. INTRODUCTION 1.1 PURPOSE OF THE DOCUMENT The purpose of this procedure is to define the method to recast the typical segment that need to be carried out on the Long Line and Short Line Typical Moulds. This procedure shall be read together with the Method Statement of Precast Segment Production - Long Line Typical Mould, ref. UMRTL1-CP2-CSYD-CWS-MST-00065 and Method Statement of Precast Segment Production - Short Line Typical mould, ref.