GB/T 50378-2019 PDF English
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| GB/T 50378-2019 | English | 295 |
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Assessment standard for green building
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| GB/T 50378-2014 | English | 125 |
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Assessment standard for green building
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| GB/T 50378-2006 | English | RFQ |
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GB/T 50378-2019: Assessment standard for green building---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT50378-2019
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
UDC
P GB/T 50378-2019
Assessment standard for green building
Issued on. MARCH 13, 2019
Implemented on. AUGUST 01, 2019
Issued by. Ministry of Housing and Urban-Rural Development of PRC;
State Administration for Market Regulation.
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
Assessment standard for green building
Main drafting organization. Ministry of Housing and Urban-Rural Development
of PRC
Approved by. Ministry of Housing and Urban-Rural Development of PRC
Date of implementation. August 1, 2019
2019 Beijing
Announcement of Ministry of Housing and Urban-
Rural Development of PRC
No.61, 2019
Table of Contents
Foreword... 5
1 General provisions... 7
2 Terms... 7
3 Basic requirements... 8
4 Safety and durability... 12
5 Health and comfort... 15
6 Occupant convenience... 20
7 Resource saving... 24
8 Environment livability... 33
9 Promotion and innovation... 38
Explanation of wording in this standard... 40
List of quoted standards... 41
1 General provisions
1.0.1 In order to implement the concept of green development, promote the
high-quality development of green buildings, save resources, protect the
environment, meet the people's growing needs for a better life, this standard is
formulated.
1.0.2 This standard applies to the assessment of the green performance of civil
buildings.
1.0.3 The assessment of green buildings shall follow the principle of adapting
measures to local conditions, combining the characteristics of the climate,
environment, resources, economy and culture of the area where the building is
located, to make comprehensive assessment of such performances as safety,
durability, health and comfort, living convenience, resource conservation, and
environmental livability.
1.0.4 The site design and architectural layout of green buildings shall be
combined with the topography and geomorphology; the architectural layout
shall be adapted to the climatic conditions and geographical environment of the
site; the wind environment, light environment, thermal environment, acoustic
environment of the site shall be organized and utilized.
1.0.5 In addition to complying with the provisions of this standard, the
assessment of green buildings shall also comply with the provisions of relevant
national standards.
2 Terms
2.0.1 Green building
A high-quality building which, during the whole life cycle, saves resources,
protects the environment, reduces pollution, provides people with healthy,
applicable and efficient use of space, maximizes the realization of harmonious
coexistence between man and nature.
2.0.2 Green performance
It involves the comprehensive performance of building safety and durability,
health and comfort, living convenience, resource saving (land saving, energy
saving, water saving, material saving) and environmental livability.
2.0.5 Green building material
The building materials which, during the whole life cycle, can reduce the
consumption of resources and reduce the impact on the ecological environment,
has the characteristics of energy saving, emission reduction, safety, health,
convenience and recyclability.
3 Basic requirements
3.1 General requirements
3.1.1 The green building assessment shall take a single building or a group of
buildings as the assessment object. The assessment object shall implement
and deepen the green development requirements as put forward by the upper-
level statutory planning and related special plans; the systematic and holistic
indicators shall be evaluated based on the overall situation of the engineering
project to which the building belongs.
3.2 Assessment and rating
3.2.1 The green building assessment index system shall be composed of five
types of indicators, including safety and durability, health and comfort, living
convenience, resource conservation, environmental livability; each type of
index includes prerequisite items and scoring items. The assessment index
system also sets bonus item uniformly.
3.2.2 The assessment results of prerequisite items shall be up to standard or
not up to standard; the assessment results of scoring items and bonus items
shall be scores.
4 Safety and durability
4.1 Prerequisite items
4.1.1 The site shall avoid geologically dangerous areas such as landslides and
mudslides. The flood-prone areas shall have reliable flood control infrastructure;
the site shall be free from threats of hazardous chemicals, flammable and
explosive sources; it shall be free from hazards of electromagnetic radiation
and radon-containing soil.
4.1.6 The floor of the toilet and bathroom shall be provided with a waterproof
layer; the wall and ceiling shall be provided with a moisture-proof layer.
4.1.7 Passage spaces such as corridors and evacuation passages shall meet
the requirements of emergency evacuation and emergency care; it shall be kept
unblocked.
4.1.8 There shall be a warning and guidance marking system for safety
protection.
4.2 Scoring items
I Safety
4.2.8 Improve the durability of building structure materials. The total
assessment score is 10 points, which are scored based on the following rules.
4.2.9 Reasonably use durable and easy-to-maintain decoration building
materials. The total assessment score is 9 points, which are respectively scored
and accumulated according to the following rules.
5 Health and comfort
5.1 Prerequisite items
5.1.1 The concentration of pollutants such as ammonia, formaldehyde,
benzene, total volatile organic compounds and radon in the indoor air shall
comply with the relevant requirements of the current national standard "Indoor
air quality standard" GB/T 18883.Smoking shall be prohibited inside the
building and at the main entrance and exit of the building; no smoking signs
shall be set up in prominent locations.
5.1.4 The indoor noise level and sound insulation performance of the main
functional rooms shall meet the following requirements.
5.1.7 The thermal performance of the enclosure structure shall meet the
following requirements.
5.1.8 The main function room shall have a thermal environment adjustment
device independently controlled on site.
5.1.9 The underground garage shall be equipped with a carbon monoxide
concentration monitoring device linked with the exhaust equipment.
5.2 Scoring items
I Indoor air quality
5.2.1 Control the concentration of major indoor air pollutants. The total
assessment score is 12 points, which are scored and accumulated according
to the following rules.
5.2.3 The water quality of direct drinking water, centralized domestic hot water,
swimming pool water, heating and air-conditioning system water, landscape
water meets the requirements of the current national standards. The
assessment score is 8 points.
5.2.7 The sound insulation performance of the main functional rooms is good.
The total assessment score is 10 points. They are respectively scored and
accumulated according to the following rules.
5.2.10 Optimize the building space and plane layout, improve the natural
ventilation effect. The total assessment score is 8 points. The scoring is made
according to the following rules.
5.2.11 Set up adjustable shading facilities to improve indoor thermal comfort.
The total assessment score is 9 points. It is scored according to the ratio of the
area of adjustable shading facilities to the transparent part of the outer window,
according to the rules in Table 5.2.11.
6 Occupant convenience
6.1 Prerequisite items
6.1.1 Buildings, outdoor venues, public green spaces, urban roads shall have
a coherent barrier-free walking system.
6.1.5 The construction equipment management system shall have automatic
monitoring and management functions.
6.1.6 The building shall be equipped with an information network system.
6.2 Scoring items
I Transit and accessibility
6.2.1 The connection between the venue and the public transportation station
is convenient. The total assessment score is 8 points, which are scored and
accumulated according to the following rules.
6.2.2 The indoor and outdoor public areas of the building meet the full-age
design requirements. The total assessment score is 8 points, which are scored
and accumulated according to the following rules.
6.2.3 Provide convenient public services. The total assessment score is 10
points. It is scored according to the following rules.
6.2.4 Open spaces such as urban green spaces, squares and public sports
venues can be reached on foot. The total assessment score is 5 points, which
are scored and accumulated according to the following rules.
6.2.8 Set up a water remote metering system and an online water quality
monitoring system. The total assessment score is 7 points, which are scored
and accumulated according to the following rules.
6.2.9 It has an intelligent service system. The total assessment score is 9 points,
which are scored and accumulated according to the following rules.
7 Resource saving
7.1 Prerequisite items
7.1.1 The energy-saving design of the building's shape, plane layout, spatial
scale, envelope structure shall be combined with the natural conditions of the
site and the functional requirements of the building. Meanwhile it shall comply
with the relevant national energy-saving design requirements.
7.1.4 The lighting power density value of the main function room shall not be
higher than the current value specified in the current national standard
"Standard for lighting design of building" GB 50034; the lighting system in the
public area shall adopt energy-saving control such as partition, timing, induction;
7.1.5 The energy consumption of various parts such as cold and heat sources,
transmission and distribution systems, lighting shall be measured
independently and item by item.
7.1.8 Building structures with severely irregular shapes and layouts shall not be
used.
7.1.9 The architectural modeling elements shall be simple, without a large
number of decorative components; meanwhile it shall meet the following
requirements.
7.2.3 Use mechanical parking facilities, underground parking garages or ground
parking buildings, etc. The total assessment score is 8 points. The score is
based on the following rules.
8 Environment livability
8.1 Prerequisite items
8.1.1 The planning and layout of the building shall meet the sunshine standard,
meanwhile it shall not lower the sunshine standard of surrounding buildings.
8.1.2 The outdoor thermal environment shall meet the requirements of relevant
national standards.
8.1.6 There shall be no pollution sources with excessive discharge in the site.
8.1.7 Domestic garbage shall be collected separately. The arrangement of
garbage containers and collection points shall be reasonable and coordinated
with the surrounding landscape.
8.2 Scoring items
I Site ecology and landscape
8.2.3 Make full use of site space to set up greening land. The total assessment
score is 16 points. It is scored according to the following rules.
8.2.4 The layout of the outdoor smoking area is reasonable. The total
assessment score is 9 points, which are scored and accumulated according to
the following rules.
8.2.7 Building and lighting design avoid light pollution. The total assessment
score is 10 points. They are scored and accumulated according to the following
rules.
9 Promotion and innovation
9.1 General requirements
9.1.1 When evaluating green buildings, improvement and innovation items shall
be evaluated in accordance with the provisions of this chapter.
9.2 Bonus points
9.2.1 Take measures to further reduce the energy consumption of building
heating and air conditioning system. The total assessment score is 30 points.
The energy consumption of the heating and air-conditioning system of the
building is reduced by 40% compared with the current national energy-saving
standards for buildings. 10 points. For each reduction of 10%. another 5 points,
at most 30 points.
9.2.5 Use structural systems and building components that meet the
requirements of industrialized construction. The assessment score is 10 points.
It is scored based on the following rules.
9.2.6 Apply building information modeling (BIM) technology. The total
assessment score is 15 points. Apply this technology in one stage of the
planning, design, construction, operation and maintenance of the building. 5
points. Apply this technology in two stages. 10 points. Apply this technology in
three stages. 15 points.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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