Big savings for hotel from water efficiency projects

Big savings for hotel from water efficiency projects
Grand Hyatt’s engineering assistant director Joseph Tham said the hotel plans to improve water use at its laundry plant.

Most of the water that flows at the Grand Hyatt Singapore heads to its laundry plant.

The hotel on Scotts Road therefore plans to install a system that uses dissolved ozone to increase the plant's efficiency by the end of the year.

The move is expected to halve the hotel's water consumption, its engineering assistant director, Mr Joseph Tham said. "We are also exploring the possibility of installing a reverse osmosis system to recycle water in the hotel," he said.

The 677-room hotel now recycles laundry water for non-potable uses, and recovers condensation from air-conditioning for its cooling towers.

Currently, it uses 8,200 cubic m of Newater and 15,300 cubic m of potable water each month, Mr Tham said.

New water efficiency projects will help it save about $100,000 a year.

The Grand Hyatt is a large water user that voluntarily submits water efficiency plans to national water agency PUB each year. In 2010, the agency named it a water-efficient building.

By June next year, those who use 5,000 cubic m of water or more a month must submit such plans and install private water meters to identify which areas consume the most water.

Some 600 large users, such as power generation companies, semiconductor manufacturers and hotels will be affected by the new requirement.

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