Contracting Of Consulting Service For The Preparation Of The Technical File Of The Project: Bridge Renovation; In The Challahuaycco River On The Neighborhood Road Route Ay-1216, Challahuaycco Huayccohuasi Section Coracora District, Pari Province - Contracting Consulting Service For The Preparation Of The Technical File Of The Project Bridge Renovation; In The Challahuaycco River On The Neighborhood Road Route Ay-1216, Challahuaycco Huayccohuasi Section Coracora District, Parinacochas Province, Ayacucho Department ¿ With Cui N° 268147