1. INTRODUCTION 1.1 PURPOSE OF THE DOCUMENT The purpose of this procedure is to outline General Arrangements, Construction Methodologies and other works related to the erection works Where it is identified that there is a need to change the method of work due to unforeseen circumstances, then revision, authorisation and issue will follow the same procedure as the original 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 GENERAL The purpose of this document is to describe the method statement for erecting closing spans in the Ho-Chi-Minh-City Metro Line 1 Project. The closing span is the last span to erect between two completed adjacent spans. The available space for different operations is reduced and work process shall be adapted and carried out differently. Sketch of a typical closing span Noted : C.S. means closing span 1.