Preparation Of Technical File: Improvement Of The Urban Mobility Service On The Urban Bridge On The Chumbao River Between Av. The Army And Arica Of The San Jeronimo District Of The Province Of Andahuaylas Of The Department Of Apurimac¿ C - Hiring Of A Service For The Elaboration Of Technical File: Improvement Of The Urban Mobility Service On The Urban Bridge On The Chumbao River Between Av. The Army And Jr Arica Of The San Jerónimo District Of The Province Of Andahuaylas Of The Department Of Apurimac¿ Cui N ° 2657550