Consideration for Historical Sites and Structures in the Preparation of Design Plans and Additional Construction Affecting Cultural Heritages. Category: Department OrderSub Category: infra-projSeries: 2014No: 138File: DO_138_S2014.pdfDate: Monday, December 1, 2014Tags: class Historical Sites Structures Design Plans Cultural Heritages Infra 138 Read more about Consideration for Historical Sites and Structures in the Preparation of Design Plans and Additional Construction Affecting Cultural Heritages.