Crushed Sand Acquisition, According To Technical Specifications - Acquisition Of Crushed Sand, According To Technical Specifications For The Goal Improvement Of The Pu 146 Road; Emp Pe - 34 I (Huancané) - Huertapata - Viscachani - Quelluyo - Emp Pe - 34 (Cacuña), Huancane District - Huancane Province - Puno Department.