Wisma 77 Waterproofing Project Wisma 77 Jl. Let S. Parman Kav.77 City, Jakarta, Indonesia Completion Date Product Volume 2012 HPI System 2,004 m3 Area Completed : Basement slab and Retaining Wall Architect In house Engineer PT. Perkasa Carista Estetika Contractor PT. Multibangun Adhitama Konstruksi Developer/Owner PT Daksa Wira Perdana