Green building projects, what aspects need to be tested?

With the large-scale development of green buildings in China from scratch, from less to more, from single to urban areas, from individual cities to the whole country, the corresponding green building technical standard system has also been continuously improved. Although everyone is talking about green buildings, can you clearly say, "What kind of building can be called a green building?" What tests do green buildings need to do?

There are not many people who have this problem. Today, the government Yuanjun from China's current implementation of the "green building evaluation standards.

GB-T50378-2014, take you to take a peek.

What is a Green Building?

In the "Green Building Evaluation Standard" GB T50378-2014 formulated by the Ministry of Construction in 2006 and revised in 2014, green building (greenbuilding) is defined as: saving resources (energy saving, land saving, water saving, material saving, referred to as "four sections") and protecting the environment to the greatest extent during the whole life cycle.

Buildings that reduce pollution (often referred to as "one environmental protection"), provide people with healthy, suitable and efficient use of space, and live in harmony with nature.

The whole life cycle here refers to the whole cycle process from the extraction of raw materials, the production of materials and components, planning and design, construction and transportation, operation and maintenance, and dismantling and treatment (disposal, recycling and reuse, etc.).

From the concept, it can be seen that the "green" in green building is not simply the degree of building greening, but emphasizes the economic benefits and environmental friendliness of the building. For example, the level of use of natural resources and the level of energy conservation; At the same time, the environmental benefits of the building are pointed out, such as whether it reduces environmental pollution and carbon dioxide.

emissions; In addition, the social benefits of the building are also taken into account.

For example, "healthy", "suitable" and "efficient".

Although the "Standard" also emphasizes the "four sections and one environmental protection" performance of the building. However, we also need to be clear: energy-efficient buildings are not necessarily green buildings, but green buildings must be energy-efficient buildings. Green buildings consider renewable energy on the basis of energy-efficient buildings.

The content of utilization, water saving, material saving, land saving, indoor environmental quality and intelligent control emphasizes sustainability.

What exactly do green buildings need to be tested?

We know the concept of green building, but what kind of standards does a green building need to meet? How do you evaluate it?

In fact, in the "Green Building Evaluation Standard" GB T 50378-2014, the evaluation of green buildings is given detailed standards from seven systems: land saving and outdoor environment, energy conservation and energy utilization, water conservation and water resource utilization, material saving and material resource utilization, indoor environmental quality, construction management, and operation management. Zhengyuanjun has prepared a list for everyone, so that everyone can have a clear understanding of the relevant testing items and standards that need to be met in each evaluation system of green buildings.

List of testing items related to the green building evaluation system.

A one-star green building is the minimum standard for green buildings, and there are three categories that need to be tested:

1. Material testing (high-performance concrete, permeable bricks), 2. Noise detection (indoor allowable noise, sound insulation and impact sound), 3. Lighting system detection (illuminance and power).

In addition, hotels, shopping malls and other projects with first-class air conditioning also need to test the air conditioning system. Projects in the main city generally also require testing of air, water quality, ready-mixed mortar, etc.

As far as Chongqing is concerned, there are three levels of green building, one-star green building (silver level), two-star green building (gold level), and three-star green building (platinum level), which is the standard of the project? You only need to look at the green building article of the drawings to know. The higher the rating, the more parameters need to be detected.

One of the one-star green buildings is a mandatory standard in Chongqing, and the test report forms part of the project's energy-saving acceptance data.

In addition, the green building inspection is not based on the area to measure the location, but according to the functional room to distribute the points, so the project is different, and the scheme is not the same. Only by thoroughly understanding the green building testing standards can we formulate a cost-effective testing plan and effectively reduce costs.

1) Wall energy-saving system measures.

By adopting energy-saving wall materials or energy-saving measures, the thermal insulation performance of building walls can be greatly improved, thereby reducing building energy consumption.

2) Door and window energy-saving system.

Doors and windows are the main channels for communication and integration between living and outdoor natural environment, and their energy-saving potential is huge, and the use of energy-saving materials or energy-saving measures can effectively reduce the indoor energy consumption of buildings.

3) Water system.

Through the use of water-saving appliances and equipment, as well as the best water system, such as reclaimed water flushing system, rainwater greening irrigation system, etc., to achieve the rational use of water resources and universities.

4) Rainwater harvesting and utilization.

The roof rainwater of mobile buildings, the rainwater on the road surface, the use of artificial wetland method, artificial soil filter method, etc., are treated as non-potable water for a variety of purposes, and at the same time, through ground infiltration, recharge to supplement groundwater and surface water sources.

5) Comprehensive utilization of renewable energy.

development and utilization of renewable energy, such as ground source heat pumps for heating and cooling; Solar energy; photovoltaic solar thermal; wind power, etc.

6) Natural ventilation utilization.

It is of great significance to use outdoor wind pressure and indoor thermal pressure to form natural ventilation to reduce building energy consumption, improve indoor air quality, and improve the comfort of indoor personnel.

7) Land-saving system.

Take measures such as roof greening, rational development and utilization of underground space, etc., to achieve the goal of making full use of the site and saving land.

8) Economical use of building materials.

Develop and utilize local building materials according to local conditions.

9) Constructed wetland system.

Artificially constructed, controlled, and engineered wetland systems for wastewater treatment. It is generally composed of an artificial substrate and aquatic plants that grow on it, such as reeds, cattails, etc. When sewage passes through the system, the pollutants and nutrients in it are absorbed, transformed or decomposed by the system, so that the water quality is purified.

Answer]: A This question examines the evaluation index of green buildings. Control items are necessary conditions for green buildings, involving mandatory provisions in relevant standards, and the assessment results of control items are up to standard or not up to standard.

The sub-items and bonus points of the sedan jujube evaluation are optional conditions for the classification of green buildings, and the evaluation results of the closed cave demolition of the scoring items and the bonus points are the scores.

For green buildings, some friends may not know much about this concept, what is green building, what are the elements, what are the standards for color certification, and so on. Next, I will introduce some related content, let's look at the basic elements of green buildings, including the introduction of green building certification standards. For green buildings, some friends may not know much about this concept, what is green building, what are the elements, what are the standards for color certification, and so on.

Next, I will introduce some related content, let's look at the basic elements of green buildings, including the relevant introduction to the certification standards of green buildings, let's take a look at the relevant introductions.

The basic elements of a green building include:

What are the basic elements of green buildings to control and reduce the use and destruction of the natural environment as much as possible?

1. Green building refers to the building that saves resources (energy saving, land saving, water saving, material saving), protects the environment and reduces pollution, provides people with healthy, applicable and efficient use of space, and coexists harmoniously with nature in the whole life cycle of the building. From the perspective of the definition of green building, the basic elements of green building can be summarized in five words: four sections and one environmental protection; 5 keywords:

Energy saving, water saving, land saving, material saving, environmental protection.

2. Energy conservation refers to making full use of solar energy, using energy-saving building envelopes and heating and air conditioning, and reducing the use of heating and air conditioning. The air-cooling system is set up according to the principle of natural ventilation, so that the building can effectively use the dominant wind direction in summer. The building adopts a planar form and general layout adapted to the local climatic conditions.

3. Resource conservation refers to the rational use and disposal of resources in the design, construction and selection of building materials. It is necessary to reduce the use of resources and strive to make them renewable. Water conservation, including water conservation for greening.

Certification standards for green buildings

In 1993, the United States established the "American Green Building Council", referred to as LEED1 0 version of the green building certification system; After extensive revisions, LEED2 0 was introduced in 2000; The 2005 revision of LEED2 2 is a relatively mature version. In March 2006, China promulgated the "Green Building Evaluation Standard" (GB T50378 2006), which is the national standard for green buildings approved by the Ministry of China.

The above we introduce to you the basic elements of green building, including the certification standards of green buildings, the concept of green building for many of our friends do not know much, read our introduction I believe you have some understanding of it. In fact, the concept of green building is good, if you want to know more information, you can ******.

Answer]: A This question examines the evaluation of green buildings. According to the "Green Building Evaluation Standards" (GB T50378--2019), the evaluation content of green buildings in China includes five major aspects: safety and durability, health and comfort, convenience of life, resource conservation, and environmental livability, that is, five types of evaluation indicators.

Each type of evaluation index includes control items and scoring items, and on this basis, bonus items are also set uniformly. Controls are a prerequisite for green buildings and involve mandatory provisions in relevant standards. The assessment result of the control and restraint system is to meet the standard or not to meet the standard.

Scoring items and bonus points are optional conditions for classifying green buildings, and the evaluation results of scoring items and bonus points are the score values.

Answer] Article :d Green Building Evaluation Standards (GB T 50378-2019) stipulates that the evaluation of green buildings should only be called into the Suishan Foundation after the completion of the construction project. After the construction drawing design of the building project is completed, the pre-evaluation can be carried out.

Green building refers to a building that provides a healthy and comfortable space for human beings to work, live and move, while achieving efficient energy and resource conservation and less environmental impact. What are the requirements for green management in the completion and operation stages of green buildings? The following is a specific introduction to the requirements of green management in the completion and operation stages of green buildings brought by the construction network for reference.

Greening. 1. The greening is completed in accordance with the requirements of planning and design, 90%, and the plant growth is in good condition.

2. Formulate rules and regulations for greening management, and implement management personnel and management measures.

3. Adopt greening management technologies with no (or low) environmental pollution (irrigation, fertilization, pest control, etc.).

Solid waste collection and disposal.

1. According to the use function of the building, the solid waste classification scheme is reasonable, and the collection facilities are laid out in a humanized manner, which can meet the requirements of use and do not affect the internal and external environment of the project. 2. The storage and transportation shall be carried out in accordance with the principle of classification.

3. Send the classified and collected solid waste to a place that meets the national requirements for consumption.

4. There is no spillage in the process of organic waste storage and transportation, and there is no foul smell.

5. If organic waste is treated on site, waste gas, waste water and residues are better than the requirements of national standards.

Hygienic management of the operation of the air-conditioning system.

1. Regularly inspect and evaluate the air-conditioning system to ensure indoor air quality.

2. Before the air conditioning system is turned on, the filter (net), surface cooler, heating (wetter) and condensate tray of the system should be comprehensively inspected, cleaned or replaced.

Water conservation management. 1. Formulate scientific operation plans and operating procedures.

2. Regularly or irregularly train employees in skills and knowledge such as water conservation and environmental protection.

3. Regularly inspect the valves and pipelines of the water supply system to prevent and crack "running, running, dripping and leaking".

4. Implement water-saving irrigation plans according to geographical conditions, climate change and green landscape needs.

5. In the eutrophication-prone period of water bodies, prevent in advance to avoid increasing the amount of water supplemented.