Provisions on water-saving measures in Guangxi green building design code?

Code for Design of Green Buildings in Guangxi is a guiding document for green buildings in Guangxi, which represents the highest level of green buildings in Guangxi and plays a normative and guiding role in the design of green buildings in Guangxi. Among them, what are the provisions of the Code for Design of Green Buildings in Guangxi on water-saving measures? The following is the introduction of water-saving measures in Guangxi green building design code brought by the construction network for reference.

The following water-saving measures should be taken

1) Use water-saving appliances such as water-saving faucets, water-saving showers and water-saving washing machines that meet the requirements of CJ 164, and do not use toilets with flushing volume greater than 6L;

2) Select high-performance valves to control no leakage;

3) The selected pipes and fittings must meet the requirements of current national product standards, so as to avoid leakage of pipe network.

Greening irrigation should adopt sprinkler irrigation, micro irrigation, infiltration irrigation and other efficient water-saving irrigation methods. And meet the following requirements:

1) humidity sensor or regulating controller should be adopted according to climate change;

2) When micro-irrigation is used, a filter device should be set at the entrance of the water supply pipeline;

3) Landscape without permanent irrigation system can be set up, and the temporary irrigation system for plant rooting must be dismantled within one year after installation.

Set the water meter according to the purpose and user's requirements. And shall meet the following requirements:

1) Each residential unit is equipped with a water meter, and the water consumption of landscape water and irrigation water in residential buildings is counted separately.

2) Water for different purposes in public buildings is measured separately: catering, bathing, reclaimed water replenishment and air conditioning replenishment are measured separately by water meters.

3) According to the requirements of water balance test, select high-sensitivity metering water meter and install graded metering water meter.

4) All metering data of water meters shall be uniformly input into building automation management system (BMS) to achieve the purpose of detecting and monitoring water leakage.

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