https://www.ombudsman.gov.ph/wp-content/uploads/2019/05/PB-2019-13-Rebidding-Two-2-Units-Air-Circuit-Breaker.pdf May 3, 2019 | Central-Others PB 2019-13: Minutes of the Pre-Bid Conference, 30 Apr. 2019 (03 May. 2019) download file