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  • WATER SUPPLY SYSTEM REHABILITATION
    CHALLENGE. Laweung is a small village on the northeastern coast of Aceh province that suffered extensive damage from the tsunami of 2004. Among its problems was a decrepit water treatment facility. Residents were forced to obtain water for drinking, bathing and sanitation directly from the local river. SOLUTION. Contracting with the German disaster relief agency Technisches Hilfswerk (THW), NWC performed a comprehensive rehabilitation of the water supply system. This included restoration of the following: the water intake structure at the river the existing water treatment plant the redistribution reservoir mechanical and electrical systems, including control systems, pumps and 6 km of piping RESULT. The contract was completed within budget and on time. Laweung villagers now have access to clean water from a water treatment plant operating at a capacity of 20 l/s.
    • Intercon Plaza, Taman Kebon Jeruk Block A3/16–17 Jl. Meruya Ilir Raya Kota Adm. Jakarta Barat
  • RECYCLE WASTEWATER TREATMENT UNILEVER
    This is a waste water treatment plus recycle water treatment plant, installed at the large Unilever production facility in Surabaya. First stage is conventional biological treatment of the waste water, with some tertiary treatment to further reduce contaminants, and this is followed by a reverse osmosis (RO) unit, supplied as a container-mounted package for rapid installation. Treated water from the RO plant is of high purity and is recycled for use as boiler feed water. Reject water from the RO plant has a high salt concentration and is normally discharged to drain, but in this case Unilever have a process use for the reject water. As a result, the installation of this plant has completely eliminated waste water discharge from the factory. There are also cost savings in reducedpurchase of PDAM water, and in boiler water treatment cost – this resulting in a “payback time” of less than 3 years
    • Wisma Pondok Indah I Lt. 3 Unit 306-307 Jl. Sultan Iskandar Muda Kav - V-TA Kota Adm. Jakarta Selatan
  • HIGH PURITY WATER STYRINDO MONO INDONESIA
    This prominent Monomer manufacturing company in Bojonegara, Banten, wanted to substitute it’s high cost Desalination Plant with a Demineralization Plant, to provide high purity Boiler Feed Water. With a Design capacity of 48 m3/hour, the Demin plant was put into operation mid 2004 and has consistently produced demineralized water with a conductivity of <1.0 microsiemens/cm and a Silica level of <0.05 ppm. By using this Packed Bed, Counter-current Cation / Anion Unit the company has met it’s objective of reducing Operation Cost associated with Boiler Feed Water production.
    • Wisma Pondok Indah I Lt. 3 Unit 306-307 Jl. Sultan Iskandar Muda Kav - V-TA Kota Adm. Jakarta Selatan
  • WATER PURIFICATION | FILTRATION EQUIPMENT SYSTEM AND ION EXCHANGE EQUIPMENT
    Ion exchange is a traditional technology of water treatment to produce high purity water or ultrapure water without ion contamination for many industrial use. In general, raw water contain many free ions such K+、Na+、Ca2+、Mg2+、Fe2+(Cation)、HCO3-、CO32-、NO3-、SO42-(Anion), these ions can be absorbed by ion exchange resin and H+ and OH- ion will be substituted out of the resin to form H2O molecule, The feed water treated by ion exchanger will be purified to less ion contained water, i.e. pure water. The exchange resin with cation or anion adsorbed can be regenerated by Acid (H+) or Alkaline (OH-) due to its natural reversible chemical reaction, The regenerated resin can then resume to service again.
    • Jl. Gading Kirana Barat IX Blok D6 No.39-40 Kota Adm. Jakarta Utara
  • COMBINED DOMESTIC/INDUSTRIAL WASTEWATER TREATMENT
    CHALLENGE. PT Beiersdorf Indonesia, a subsidiary of the German personal-care product manufacturer Beiersdorf AG, required a site for domestic gray-water and industrial-wastewater treatment for its Malang, East Java facility. PT Beiersdorf WWTP The PT Beiersdorf combined aerobic/ anaerobic WWTP in Malang.SOLUTION. NWC conducted all aspects of design, construction, and operational training for the Malang facility. Design of parallel aerobic and anaerobic wastewater treatment systems Construction of the physical facilities Operational training for Beiersdorf staff RESULT. The treatment plant was completed within schedule and budgetary agreements. Its combined treatment regime serves as model for industrial wastewater treatment for other companies in the region.
    • Intercon Plaza, Taman Kebon Jeruk Block A3/16–17 Jl. Meruya Ilir Raya Kota Adm. Jakarta Barat
  • WATER TREATMENT PLANT
    Uraian Pekerjaan : Water Treatment Plant Perusahaan : PT. Bumi Karyatama Raharja Lokasi : Haparan Perak – Medan Tahun : 2001 Contact Person : Herbun Darlin
    • Jl. Prof. H.M. Yamin No. 8 - B Medan 20234, Sumatera Utara Indonesia Kota Medan
  • PENGOLAHAN AIR LIMBAH, PULAU BATAM
    Nama Proyek : Sewage Treatment Plant  Nilai Proyek : Rp. 2.136.000.000,00  Pemberi Pekerjaan : Otorita Pengembangan Industri Pulau Batam  Tahun Pelaksanaan : Januari 1994 - Juli 1994  Lokasi : Pulau Batam  Lingkup Pekerjaan : Kontraktor Utama 
    • Jl. Gatot Subroto No. 54 Kota Adm. Jakarta Pusat
  • HUFFCO
    Project Name : Huffco Location : Balikpapan Capacity : 120 m3/day
    • Jl. Rawasumur 2 Kav.BB-1 Kawasan Industri Pulogadung Kota Adm. Jakarta Timur
    • Jl. DI. Panjaitan Kav. 14 Cawang, Cipinang Cempedak, Jatinegara Kota Adm. Jakarta Timur
  • LNG ARUN BECHTEL
    Project Name : LNG Arun Bechtel Location : Arun, Aceh Capacity : 160 m3/day
    • Jl. Rawasumur 2 Kav.BB-1 Kawasan Industri Pulogadung Kota Adm. Jakarta Timur
    • Wisma Pondok Indah I Lt. 3 Unit 306-307 Jl. Sultan Iskandar Muda Kav - V-TA Kota Adm. Jakarta Selatan
    • Jl. Rawasumur 2 Kav.BB-1 Kawasan Industri Pulogadung Kota Adm. Jakarta Timur
  • WATER TREATMENT PLANT CONSTRUCTION
    CHALLENGE. The North Sumatran island of Nias was heavily damaged by large earthquakes in 2004 and 2005. In the interior highlands of Idanoi, a primary water source for the central region, frequent flash flooding posed safety hazards and led to high turbidity in the water. An existing water treatment plant in the area was inoperative. SOLUTION. SAB-SAS, a Dutch consortium of water development organizations, contracted NWC to construct a new steel water treatment plant to supply drinking water to Gunung Sitoli, the coastal capital of Nias. The work demanded the following: steel WTP construction due to material and logistical constraints construction of 2 x 10 l/s WTP units, assembled on site construction of a river intake in hazardous rapids RESULT. Construction of the WTP and intake system was completed safely, within budget and on schedule. Residents of Gunung Sitoli gained access to a safe and stable source of clean water.
    • Intercon Plaza, Taman Kebon Jeruk Block A3/16–17 Jl. Meruya Ilir Raya Kota Adm. Jakarta Barat
    • Jl. Cemara Raya No. 48 Kota Tangerang
  • WATER PURIFICATION | SMALL AND MEDIUM SIZE PURIFIED DRINKING WATER SYSTEM
    It is all in-one drinking water purification equipment. Single machine water output from 0.1m³/day to 96m³/day. Pure water indexes are confirmed with Nationally Hygienic Standard of purified water for drinking. Suitable for society, community, small and medium pure water station, hotel, restaurant, and family.
    • Jl. Gading Kirana Barat IX Blok D6 No.39-40 Kota Adm. Jakarta Utara
    • Jl. Rawasumur 2 Kav.BB-1 Kawasan Industri Pulogadung Kota Adm. Jakarta Timur
  • MUNICIPAL WATERTREATMENT PDAM TENGGARONG
    Completed in 2005, this plant supplies drinking water to the expanding city of Tenggarong in East Kalimantan. This city is targeted for major development as a tourism center. The Envitech EPC contract comprises a 100 litres/second WTP and a 50 litres/second WTP at a different location. Both plants treat deepwell water which has a high iron content. Although the treatment process is conventional, a feature of the plant is that all tanks and vessels are of stainless steel construction, as specified by the Client.
    • Wisma Pondok Indah I Lt. 3 Unit 306-307 Jl. Sultan Iskandar Muda Kav - V-TA Kota Adm. Jakarta Selatan
  • MUNICIPAL WATERTREATMENT PDAM BONTANG
    At this city in East Kalimantan the only available water is from deepwells and has a very high iron content. Envitech supplied a 150 litre/second Water Treatment Plant plus two smaller plants each of 20 litre/second capacity. The plants use conical sludge-blanket Clarifiers and conventional Sand Filters. The main plant is built as three x 50 litre/second lines, with tank construction specified in steel.
    • Wisma Pondok Indah I Lt. 3 Unit 306-307 Jl. Sultan Iskandar Muda Kav - V-TA Kota Adm. Jakarta Selatan
  • HIGH PURITY WATER PERTAMINA BALONGAN
    This is a single-train Demineraliser with pretreatment filtration, producing high quality (4 ms/cm) water for Boiler feed. Plant capacity is 100 m3/hour. The plant is built to Oil Industry standards. The CCR Packed Bed system used by Envitech for this plant resulted in production of treated water exceeding the Client Specification by more than 10% both for quality and for quantity of water. The chemical efficiency of the process also results in lower chemical consumption and therefore lower water production cost.
    • Wisma Pondok Indah I Lt. 3 Unit 306-307 Jl. Sultan Iskandar Muda Kav - V-TA Kota Adm. Jakarta Selatan
    • Wisma Pondok Indah I Lt. 3 Unit 306-307 Jl. Sultan Iskandar Muda Kav - V-TA Kota Adm. Jakarta Selatan