What is AutoLISP? AutoLISP is an interpretive language, so it can be stored in an ASCII text file, loaded, and then executed directly within AutoCAD and its derivatives, which include AutoCAD Map 3D, AutoCAD Architecture and AutoCAD Mechanical. It makes our work is more faster in AutoCAD enviroment. AutoLISP files typically have an .lsp file extension, but they can also have the .mnl file extension. Both LSP and MNL files can be edited with a text editor.

Autocad is an essential tool for civil engineers. With a fews years using experince with it, the familiar settings environment is highest priorty to me. I always use the below settings for using Autocad after installation Typye op for Settings Profiles tab Change name to Civil Paper. We will export the Settings for backup Selection tab User Preferences tab Display tab I wanna change the crosshair size, layout elements and working window colors

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 PURPOSE OF THE DOCUMENT The purpose of this procedure is to outline General Arrangements, Construction Methodologies and other works all in accordance with the contract specification and details shown on the drawing, related to the pre-casting of segments composing the viaduct superstructure works of the HCMC Metro Project. 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. INTRODUCTION 1.1 PURPOSE OF THE DOCUMENT The purpose of this procedure is to describe the sequence of operation to be followed to precast typical segments of the typical straight spans, representing the major part of the HCMC Metro Project, and ensure 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.