DPWH Standard Specification for Item 502 - Manholes, Inlets and Catch Basins

Category: 

Department Order

Sub Category: 

policies-regulations

Series: 

2025

No: 

28

File: 

do_028_s2025.pdf

Date: 

Wednesday, February 5, 2025

keywords: 

DPWH Standard Specification for Item 502 - Manholes, Inlets and Catch Basins