Execution Of The Works Of Reduction Of Density Of Trees And Of The Undergrowth In The External Strip Of Protection Of The Sierra De Can Riera, In Accordance With The Prescriptions Contained In The Technical Plea Of ​​This Contract, To Improve The Safety Of The People, Homes And Infrastructure, And To Reduce The Risk Of Propagation Of A Fire In The Interior Areas Of The Population In The Area Of ​​Population.