Environment

Sakhalin LNG Plant and Oil Export Terminal Project

In September 2008, we successfully completed the Sakhalin LNG plant and oil export terminal (OET) project, which was carried out jointly with Chiyoda Corporation, and we handed over the facilities to the client, Sakhalin Energy Investment Company Ltd. (SEIC). SEIC is an operating oil and gas company and its shareholders are Royal Dutch Shell plc (Netherlands), OAO Gazprom (Russia), Mitsui & Co., Ltd. (Japan), and Mitsubishi Corporation (Japan). The company is the investor and operator of the Sakhalin2 project, which is the largest integrated oil and gas project in the world. The project entailed the construction of a large-scale LNG plant with an annual capacity of 9.6 million tons and an OET. The LNG and OET facilities of the Sakhalin2 project were developed by SEIC in the southern part of Sakhalin Island.
Because the construction in Sakhalin occurred in the midst of a vast tract of nature, environmental protection based on RF and local requirements was a major issue. The period from May to August is the spawning period for pink salmon in Aniva Bay, which is part of the construction site. The project restricted dredging and other operations that would disturb the sea bed in the bay during this period. The project teams incorporated these environmental protection constraints into the construction plan at the planning stage.

Environmental survey

Prior to the start of construction at the site, we conducted environmental surveys of animals, plants, water, and other nature at the entire site and in the surrounding areas to obtain baseline data. During the construction period, we continuously monitored environmental impacts by regularly checking over 100 observation points covering the site, including the sea.

Rainwater measures

We surrounded the entire construction site with silt fences* and ditches to lead muddy rainwater to settlement ponds. There, the mud was deposited and clean rainwater was discharged into rivers and the sea.
In addition, we designated a protection zone ranging 50m from both sides of streams running through the plant site in order to conserve nature.
As one of the synergetic effects of these measures, the profuse number of pink salmon that swim up the stream to spawn in autumn is a rare sight at any other plant site in the world.

* A silt fence is a temporary sediment control used on construction sites to protect water quality in nearby streams, rivers, and bays. Silt fences are perimeter controls, typically used in combination with settlement ponds, as well as erosion controls, which are designed to retain sediment in place where soil is being disturbed by construction processes.

Hydroseeding*

The ground surface that was upturned by civil works was covered with sod or pasture grass via hydroseeding within about 2 months. This protected soil erosion by rainwater and contributed to beautification inside and outside of the plant site.

* Hydroseeding is a planting process which utilizes a slurry of seed and mulch. The slurry is transported in a tank and sprayed over prepared ground in a uniform layer. Hydroseeding promotes quick germination and inhibits soil erosion.

Oil Refinery Modernization Project in Brazil

This is one of the refinery modernization projects awarded by PETROBRAS, the largest oil company in Brazil. The equipment to be constructed consists of a Natural Gas Separation Unit and a Treatment Unit.
The joint venture “TS GAS CONSTRUCOES,” composed of Toyo and Setal Óleo e Gás S.A., has been awarded the contract for engineering, procurement, and construction. The project is being implemented at two sites of PETROBRAS: Cabiúnas Terminal near the city of Macaé and Reduc Refinery in the city of Duque de Caxias.

Environmental education for local residents

Waste management

Preliminary emergency drill

A preliminary emergency oil leakage drill has been implemented.

GTL Project for Qatar Shell

This project, awarded by Qatar Shell GTL Ltd., is for construction of a Gas to Liquid (GTL) plant. Construction is now at its peak activity in Qatar.
For this project, Toyo worked out the project’s environmental policy, objectives, and targets to meet the strict environmental criteria and regulations of the Ministry of Defense and the Ministry of Environment of Qatar, in addition to the client’s environmental policy. Efforts toward achieving the environmental targets are made under the environmental program. These efforts include environmental education, which is obligatory for all workers to improve their environmental awareness and knowledge.

Noise control and monitoring

Oil contamination control

Various oil leakage preventing device boxes are arranged in project sites to allow countermeasures to be taken immediately when oil leakage occurs. An oil leakage preventing device box contains oil absorbent, disposable work clothes, rubber gloves, boots, shovels, protective masks, and other items.
A temporary fuel tank is provided with an oil protection bank to prevent oil contamination.
Oil contamination control applies to hydrocarbon storage areas, all fuel-driven machines on the site, and temporary fuel storage areas.