protection boundary meaning in English

防火区周界线
护林边界

The subject site mainly falls within the existing stt no . rdstst - 003 for the east rail extension project ( up to 31 august 2005 ) , the proposed stt for kowloon southern link works area , the protection boundary for mtr ( i . e . mtr - rp no . 108 ) and the mtr construction limit ( mtr - rap no . 24 ) . according to the scheme of the kowloon southern link gazetted on 26 march 2004 , kcrc will continue to require the site for works area for a term from 1 september 2005 to 30 june 2008
有关地点主要坐落于东铁支线项目的现有短期租约第rdstst - 003号(有效至二零零五年八月三十一日止)和九龙南线的拟议短期租约的工程范围、地铁的防护边界(即mtr - rp编号108 )及地铁建设界限( mtr - rap编号24 )之内。