MERLYN PARK HOTEL JAKARTA Waterproofing Project Merlynn Park Hotel, Jakarta Jl. K.H. Hasyim Ashari 29 -31 Jakarta, Indonesia Completion Date Product Volume 2006 HPI System 1,500 m3 Area Completed : Basement Slab, GWT, STP and Retaining wall Architect PT Duta Cermat Mandiri Engineer PT. Davy Sukamta & Partner Contractor PT. Nusa Raya Cipta Developer/Owner PT. Sango Ceramic Indonesia