Category: Department OrderSub Category: construction-materialsSeries: 2018No: 41File: DO_041_s2018.pdfDate: Friday, March 16, 2018Tags: DPWH Standard Specification for Item 1729 - Sewage Treatment Plant (STP) - Dynamic Sequential Batch Reactor (SBR) Processmaterials BRS 041Bureaus and Services: Bureau of Research and Standards