Category: Department OrderSub Category: equipment-supplies-propertiesSeries: 1991No: 54Superseded by: DO_064_s2016File: DO_054-A_S1991.pdfDate: Tuesday, May 21, 1991Superseded Link: http://www.dpwh.gov.ph/dpwh/sites/default/files/issuances/DO_064_s2016.pdfTags: DO No. 54 S.1991 Guidelines Equipment Utilization Maintenance areas 054-A