Harcomas Mangga Dua Waterproofing Project Harcomas Mangga Dua Jl. Mangga Dua Raya Jakarta – Indonesia Completion Date Product Volume 2002 HPI System 2,772 m3 Area Completed : Basement Slab / Retaing wall (Retail Area), Podium Deck, 2 level Basement, STP, Water Tank, 5th Floor & Roof Deck Architect PT. Gistama Intisemesta Engineer PT. Gistama Intisemesta Contractor PT. Nusa Raya Cipta Developer/Owner PT. Duta Pertiwi (Sinar Mas Group)