Aug 3 (Reuters) - Quanta Services Inc (NYSE:PWR) PWR.N :
* Quanta services inc - Quanta Services selected by Enbridge Pipelines for line 3 replacement program in Canada
* Quanta services inc - Quanta's construction on project will begin in August 2017 and is anticipated to continue through 2019
* Quanta services inc - selected by Enbridge Pipelines Inc. (enbridge) for two spreads of Canadian section of line 3 replacement program