PT Kaltara Batu Konstruksi (PT KBK) is a Private Limited Liability Aggregate (Rock) Mining Company incorporated in the Republic of Indonesia. PT KBK holds an Operation Production Mining Business License, known in Indonesian as Izin Usaha Pertambangan Operasi Produksi (IUP OP), which is issued by the Indonesian Investment Coordinating Board (BKPM). KBK’s IUP covers a total area of 40 Hectares (400,000m2) in Malinau, North Kalimantan, Indonesia, close to the Malaysian border.
KBK IUP OP contains a 30-meter high above surface outcrop dome and 120-meter beneath deposit of Graywacke rock aggregate that is to be extracted using drill and blast quarrying methods. Our objective is to safely and cost-effectively meet business requirements through the appropriate management of risks by providing our workforce with a safe working environment.
The name Kaltara Batu Konstruksi stems from:
Kaltara, abbreviation for Kalimantan Utara (North Kalimantan),
Batu (rock or stone), and Konstruksi (construction).