Addendum No. 2019-014 PR No. 19-0181 – 77 Persons Security Guard for protection and security of Pasonanca Natural Park

Addendum No. 2019-013 PR No. 19-0094 – Supply & Delivery of Gravel, Washed Sand, Item 200 & Item 201 for Various Capital Improvement Project (2nd Bidding) PR No. 19-0178 – Supply & Delivery of PVC Materials for Salintubig Project (ZCWD Counterpart)

Addendum No. 2019-012

Addendum No. 2019-011 P.R. No. 19-0029 – Supply & Delivery of PVC Materials for Various Capital Improvement Project (CIP) P.R. No. 19-0167 – Supply & Delivery of PVC Materials for Salintubig Program

P.R. No. 19-0136 – Design, Build, Testing & Commissioning of the 4,000 cu.m. per day Sewage-Septage Treatment Plant Addendum No. 2019-009