Exemption of Projects Costing not More Than P500,000 from the Preparation of PERT/CPM Diagram. Category: Department OrderSub Category: infra-projSeries: 1983No: 38File: DO_038_S1983.pdfDate: Tuesday, May 17, 1983Tags: Exemption Projects Costing not More Than P500000 PERT/CPM Diagram 038 Read more about Exemption of Projects Costing not More Than P500,000 from the Preparation of PERT/CPM Diagram.