CONSTRUCTION OF RAINWATER COLLECTION SYSTEM (RWCS):   2ND DISTRICT ENGINEERING OFFICE, COMPOSTELA, DAVAO DE ORO  1. CORAZON C. AQUINO NATIONAL HIGH SCHOOL, BRGY. OSMEÑA, COMPOSTELA, DAVAO DE ORO  2. MAMBUSAO ELEMENTARY SCHOOL, BRGY. NGAN, COMPOSTELA, DAVA