Composition of Pre/Post-Qualification, Bidding and Awards Committees (PBAC) and Estimating Committees in Regional and District Offices. Category: Department OrderSub Category: committee-board-TWGSeries: 1983No: 66File: DO_066_S1983.pdfDate: Wednesday, October 19, 1983Tags: Bidding Awards Committees Regional District Offices 066 Read more about Composition of Pre/Post-Qualification, Bidding and Awards Committees (PBAC) and Estimating Committees in Regional and District Offices.