As with most jobs, salaries vary by location and experience. The  average salary in the US for pipeline welders in 2014 is $64,778;  the average (for the same time period) i â¦ n San Francisco is $74,857.  [source link attached]. + 2 others found this useful.he  average salary in the US for pipeline welders in 2014 is $64,778;  the average (for the same time period) i â¦ n San Francisco is $74,857.
Certainly more than 30 percent of Limaâs population lives in slums; two slums alone contain more than 3 million people, San Juan and Cono Sur (Davis, Planet of Slums).
Quora User, Born an Indian. According to the last census (2011), the slum population stands at 65 million, up from 52 million recorded in the 2001 census:-. http://m.thehindu.com/news/natio... This, however, is seen as inaccurate as many of the new towns, where slums had proliferated, were not included.