Republic Act 7718
PK 24 - Bustos Transport Code Excerpts)
Revised IRR BP220 2008
Administrative Order
UPC 2004
Revised-IRR-BP220-2008
Writ of Kalikasan (Rules of Procedure for Environmental Cases)
Republic Act No 6541(National Building Code)
Highway Bridge Codes and Specs
AASHTO Standard specs 1996
Republic acts
(2)Republic Act No 7925
