July 29 (Reuters) - Spanish builder OHL OHL.MC
* Says on conference call that it is examining total or partial divestment of Mayakoba hotel business in Mexico
* Says a number of legacy projects may generate additional losses
* Says Chum hospital in Canadian city of Montreal saw a loss of 108 million euros in H1 and may drain cash flow from both 2016 and 2017 Source text for Eikon: ID:nL9N10301D Further company coverage: OHL.MC