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The Petangis quarry: a working bench, haul road, aggregate stockpiles and the processing plant, set against forest canopy.
PT Kuarindo Pratama Jaya

Holder of an IUP OP for the Petangis area, Grogot — East Kalimantan.

Talk to our sales deskReview our approvals
Permit held without lapse10 years

IUP Operasi Produksi since 2015, extended in 2020 and 2025.

Commodity
Andesite stone — Split
Operations
Desa Petangis, Kec. Batu Engau, Kabupaten Paser, Kalimantan Timur
Licence status
IUP Operasi Produksi — second extension approved 2025
Crushed andesite aggregate at close range, showing angular grey grain.
The material

Andesite,
crushed and screened to grade.

Batu andesit — Split — Petangis, Kalimantan Timur

Products

Six gradations,
one source rock.

Every gradation is crushed and screened on site at Petangis from the same andesite.

Operations

From working face
to loading.

Extraction, processing and loading all happen on one site. Material moves from the working face to a loaded truck without changing hands.

01
Quarry benches and the haul road seen across the pit.

Mining production

Produksi Penambangan

Bench extraction at the Petangis site, under an active IUP Operasi Produksi.

02
Crushing and screening plant with conveyors and surrounding aggregate stockpiles.

Crushing & processing

Peremukan & Pengolahan

Crushed and screened on site, separated into stockpiles by gradation.

03
A wheel loader working alongside graded aggregate piles.

Sales & despatch

Penjualan & Distribusi

Loading and despatch of graded product for project and trade buyers.

04
A tipper truck discharging aggregate onto a barge moored at the jetty, with a worker in helmet and hi-vis.

Jetty & barge loading

Jetty & Pemuatan Tongkang

Barge loading at our own river jetty, opening a despatch route by water.

Sustainability & safety

Worker safety,
land, and neighbours.

Three areas of responsibility beyond production: the safety of our workers, environmental management and reclamation, and our relationship with the community at Batu Engau.

Safety

Occupational health & safety (K3)

Land & water

Environment & reclamation

Neighbours

Corporate social responsibility

Infrastructure

Facilities
at Petangis.

Five facility types support the operation at Petangis: the mine area, stockpile, processing plant, jetty and workshop.

Wide view of the working area and processing plant.

Site mine area

Graded aggregate stockpiles.

Stockpile

The conveyor network linking the crushing and screening units.

Processing facility

Aerial view of the river jetty.

Jetty & logistics

Jetty

Loaded straight
onto the barge.

The river jetty at the Petangis site lets material be loaded directly onto barges, so despatch can go by water as well as by road.

A tipper truck discharging aggregate onto a moored barge.
A barge moored at the jetty on the river channel.
Aerial view of the jetty head and the stockpile pad on the riverbank.
Customers

Our
customers.

The companies and organisations that use our andesite.

Project portfolio

Government project, Grogot

Grogot, Kalimantan Timur
Andesite split supplied as construction aggregate.

IKN capital development

Kalimantan Timur

Public facilities for customer companies

Customer companies

  • PT Wijaya Karya Beton Tbk
  • PT Adhimix RMC Indonesia
  • PT Karya Logistik Nusantara
  • PT Multi Jayantara Abadi
  • PT Singlurus Pratama
Find us

Jakarta
and Petangis.

Commercial matters are handled from the Jakarta office. Production, loading and site visits take place at Petangis.

Head office

Citra Towers Kemayoran, Lantai 16 Unit KJl. Benyamin Suaeb Kav A6Jakarta Pusat, DKI Jakarta

Operational site

Desa Petangis, Kec. Batu EngauKabupaten Paser, Kalimantan Timur