SUPPLY OF SHELLED AND/OR SHELLED ROCK FOR THE WORK INSTALLATION OF PROTECTION SERVICES IN CRITICAL SECTORS OF THE JEQUETEPEQUE RIVER PROVINCE OF PACASMAYO AND CONTUMAZA DEPARTMENT OF LA LIBERTAD AND CAJAMARCA CRITICAL SECTOR INFIERNILLO ÑAMPOL - SUPPLY OF SHELLED AND/OR SHELLED ROCK FOR THE WORK "INSTALLATION OF PROTECTION SERVICES IN CRITICAL SECTORS OF THE JEQUETEPEQUE RIVER, PROVINCE OF PACASMAYO AND CONTUMAZA, DEPARTMENT OF LA LIBERTAD AND CAJAMARCA, CRITICAL SECTOR INFIERNILLO-ÑAMPOL, THIRD STAGE. (EXPIRED)