It seems there's a slight confusion in the file name you provided at the end of the text. The standard you've described is TCVN 6904: 2001, while the download link points to 610.tcvn6905-2001.

Here is the information based on the text you provided for TCVN 6904: 2001:

VIETNAM NATIONAL STANDARD TCVN 6904: 2001 ELECTRIC LIFTS – TEST METHODS FOR THE SAFETY REQUIREMENTS OF CONSTRUCTION AND INSTALLATION

Foreword TCVN 6904: 2001 was compiled by the Technical Committee for Standards TCVN/TC 178 Lifts, escalators and passenger conveyors, proposed by the Directorate for Standards, Metrology and Quality, and promulgated by the Ministry of Science, Technology and Environment.

ELECTRIC LIFTS – TEST METHODS FOR THE SAFETY REQUIREMENTS OF CONSTRUCTION AND INSTALLATION

1. Scope This standard specifies the test methods for the safety requirements of construction and installation for electrically driven lifts as regulated in TCVN 6395: 1998.

The test methods specified in this standard apply to electrically driven lifts in the following cases: – After installation before being put into use; – After renovation, intermediate repair, and major overhaul; – After a serious accident has occurred and has been rectified;

Download the standard at: 610.tcvn6905-2001