<prompt> Translate the following text to EnglishKwa kiwanda cha 500MW, kazi ya ujenzi ingekuwa karibu masaa ya mtu 340,000, ambayo karibu masaa ya mtu 136,000-170,000 ingekuwa shughuli ya boilermaker.  <response>: For a 500 MWe plant, the construction labor would be about 340,000 man-hours, of this roughly 136,000-170,000 man-hours would be boilermaker activity. 