Waterproofing Project Signature Green Park Jl. MT Haryono Kavling 20, Kelurahan Cawang, Kecamatan Kramat Jati, Kota Jakarta Timur 13630. Completion Date Product Volume 2016 HPI System 2,566 m3 Area Completed : Slab and Retaining Wall Architect In house Engineer PT. Gistama Inti Semesta Contractor PT. Pulau Intan Developer/Owner PT. Pikko Group