SUPPLEMENTAL BID BULLETIN FOR THE LABOR AND MATERIALS FOR THE INSTALLATION OF AN EMERGENCY ALERT SYSTEM USING CCTV CAMERAS INVARIOUS HAZARD-PRONE AREAS IN TABACO CITY, CDRRMO, TABACO CITY Contract ID: CB_GOODS_2026–07-0011 (PhilGEPS Ref. No. 13149813, PR 0981)