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Niño to Barangay Tagbitanag, Island Garden City of Samal, Davao del Norte Davao del Norte De artment of Public Works and Hi hwa DA no DEL NORTE DISTRICT ENGINEERING OFFICE Taqum City, Davao de/ Norte. SUPPLEMENTAL BULLETIN NO. April 28, 2022 Subject: CORRECTION REVISION OF BILL OF QUANTITIES (BOQ)