Examples of Renovation Not Allowed

Extracted from HDB website (http://www.hdb.gov.sg/fi10/fi10324p.nsf/w/HomeRenoNotAllow), only list few of them which we need to know. Hacking and removal of structural members such as reinforced concrete wall, columns, beams, slabs, staircases within maisonette flats, etc. Excessive overloading of the floor slab...