To search for a standard, enter the number of the standard into the first search box at the top of the page (e.g. 3500.1).
Or search using a title of keywords in the search box (plumbing and drainage).

Click on the standard number to view standard - from this page you can view online or download the standard to print.
Ensure you select the most up-to-date version including any amendments, which will show as current.