|
THE MINISTRY OF
CONSTRUCTION
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|
SOCIALIST REPUBLIC
OF VIETNAM
Independence – Freedom - Happiness
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No. 03/2016/TT-BXD
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Hanoi, March 10, 2016
|
CIRCULAR
REGULATIONS
ON CLASSIFICATION OF CONSTRUCTION WORKS AND INSTRUCTIONS ON APPLICATION TO
CONSTRUCTION MANAGEMENT
Pursuant to the Law on Construction No.
50/2014/QH13 dated June 18, 2014;
Pursuant to the Government’s Decree No. 46/2015/ND-CP
dated May 12, 2015 on quality control and maintenance of construction works
(hereinafter referred to as “The Decree No. 46/2015/ND-CP);
Pursuant to the Government’s Decree No.
59/2015/ND-CP dated June 18, 2015 on construction project management
(hereinafter referred to as “The Decree No. 59/2015/ND-CP);
Pursuant to the Government’s Decree No.
62/2013/ND-CP dated June 25, 2013 providing for functions, tasks, powers and
organizational structure of the Ministry of Construction;
At the request of general director of
Construction Quality Inspectorate;
The Minister of Construction has promulgated the
Circular providing for classification of construction works and instructions on
the application to construction management activities
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1. Governing scope:
This Circular details the classification of
construction works and instructions on application to construction
management activities as prescribed in Clause 3, Article 8 of the Decree No.
46/2015/ND-CP.
2. Regulated entities:
This Circular applies to investment deciders,
investors, owners, managers and users of the works, contractors at home and
abroad, state administration agencies for construction, other organizations and
individuals engaged in construction investment activities within the territory
of Vietnam.
Article 2. Principles of
classification
1. Classes of construction
works (herein ‘construction classes’) as prescribed hereof shall be determined
in following criteria:
a) Capacity, level of importance: applied to
individual works or technology lines, complexes of works as prescribed in
Clause 3, this Article, determined according to Annex 1 enclosed herewith; Any
works not being listed in Annex 1 enclosed herewith shall be classified on the
basis of structure scale as prescribed in Point b, this Clause.
b) Structure: applied to individual works belonging
to construction investment projects, determined according to Annex 2 enclosed
herewith.
2. Class of an independent
work is the highest one determined on the basis of criteria stated in Clause 1,
this Article.
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4. Classes of national defense
and security works are determined according to this Circular. For national defense and security works of
specific characteristics, the classification shall be decided by the Ministry
of National Defense, the Ministry of Public Security.
Article 3. Application of
construction classes to constructions activities
1. Application of construction
classes aimed at determining authority of construction authorities in verifying
construction designs, inspecting acceptance testing during the construction and
completion of a construction work is instructed as follows:
a) In case a construction work includes only one
independent major work, apply construction classes determined according to
Clause 2, Article hereof;
b) In case an investment project includes several
major works independent from one another, apply construction class of the work
of highest class as prescribed in Clause 2, Article 2 hereof;
a) In case a construction work includes major
technology lines, major complexes of construction works, apply construction
classes as prescribed in Point a, Clause 1, Article 2 hereof;
d) Other cases
2. Apart from determination of
authority of construction authorities as prescribed in Clause 1, this Article,
construction classes shall serve as foundations for managing following
activities as prescribed in Clause 3, this Article:
a) Classify construction qualifications of
organizations and individuals to issue certificates of qualification, practice
certificates and publish information about construction qualifications;
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c) Determine the works that require selection of
architectural designs as prescribed in Points a, d, Clause 1, Article 15 of the
Decree No. 59/2015/ND-CP;
d) Determine the works that require formulation of
technical instructions;
dd) Determine the works having influence on
community safety;
e) Determine the works that require professional
liability insurance;
g) Determine the works that require safety assessment
during the operation and use;
h) Classify incidents to the works and authority to
handle the incidents;
i) Manage construction investment costs;
k) Determine duration and costs of maintenance of
the works;
l) Determine the works that require a maintenance
process;
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a) In case construction is carried out for the
entire construction work, apply classification as prescribed in Clause 2,
Article 2 hereof;
a) In case construction is carried out for the
entire technology line, complex of main construction works, apply
classification as prescribed in Point a, Clause 1, Article 2 hereof;
d) Other cases as prescribed in relevant documents;
Article 4. Transitional
provisions
1. Any work belonging to the
investment projects approved before the effective date of this Circular shall
be classified in accordance with the regulations at the time of approval.
2. Any work as stated in
Clause 1, this Article with the construction design being adjusted after the
effective date of this Circular:
a) Shall be classified in accordance with Clause 1,
this Article (In case the adjustments made to the construction design do not
change capacity and structure as prescribed hereof);
a) Shall be classified in accordance with
provisions of this Circular (In case the adjustments made to the construction
design do change capacity and structure as prescribed hereof);
Article 5. Effect
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2. Difficulties that arise
during the implementation of this Circular should be reported to the Ministry
of Construction for consideration and handling./.
PP THE MINISTER
DEPUTY MINISTER
Le Quang Hung
ANNEX 1
CLASSIFICATION OF CONSTRUCTION WORKS ACCORDING TO
CAPACITY AND LEVEL OF IMPORTANCE
(Enclosed with
the Ministry of Construction’s Circular No. 03/2016/TT-BXD)
Table 1.1 Classification of civil works
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Type of works
Classification
criteria
Construction
classes
Special
I
II
III
IV
1.1.1
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1.1.1.1. Kindergartens, nursery schools
Total number of
children/school
≥ 100
<
100
1.1.1.2. Primary schools
Total number of
students/school
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≥
700
<
700
1.1.1.3. Lower secondary schools, upper secondary
schools, multi-level upper secondary schools
Total number of
students/school
≥ 1,350
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1.1.1.4. Universities, colleges; professional secondary
schools, technical workers’ schools (vocational-technical schools),
professional training schools
Total number of
students/school
>
8,000
5,000 ÷ 8,000
<
5,000
1.1.2
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1.1.2.1. General hospitals, local, central
specialty hospitals (central hospitals not below class I)
Total number of
beds/hospital
>
1,000
500
÷ 1,000
250
÷ < 500
<
250
1.1.2.2 Biosafety testing centers (level of biosafety
is determined on the basis of health sector’s regulations)
Level of biosafety
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Level 4
Level 3
Level 1 and 2
1.1.3
Sports-related works
1.1.3.1. Outdoor stadiums, outdoor sports
facilities with grandstands (National stadiums, national sport facilities
not below class I)
Grandstand
capacity (0,000 seats)
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20 ÷ 40
5 ÷
20
<
5
1.1.3.2. Sports stadiums
with grandstands (National sports stadiums not below class I)
Grandstand capacity
(0,000 seats)
>
7.5
5 ÷
7.5
2
÷ < 5
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1.1.3.3. Golf courts
Number of holes
36
18
<
18
1.1.3.4. Swimming pools, outdoor sport stadiums
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Reaching national standards
for sport competitions
For sport
movements
1.1.4
Cultural works
1.1.4.1. Conference centers, theaters, cultural
houses, clubs, cinemas, circuses, discos and cultural works attracting crowds
(National conference centers not below class I)
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>
3
>
1.2 ÷ 3
>
0.3 ÷ 1.2
≤ 0.3
1.1.4.2. Museums, libraries, exhibitions,
showrooms
Level of
importance
National
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Other cases
1.1.5
Markets
Number of stalls
>
400
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1.1.6
Terminals
Airport terminals (main terminals)
Turn of passengers
(million passengers/year)
≥ 10
<
10
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1.1.7
Head offices of state agencies and political
organizations
Head offices of National Assembly, Government,
State President, Head offices of Ministries, Departments, People’s Committees and affiliated agencies at all
levels; Head offices of political organizations, socio-political
organizations
Level of
importance
National Assembly
Building, Presidential Palace, Head Office of the Government, the Central
Communist Party and other works of particular importance
Head offices of
provincial party committee, people’s councils, people’s committees of
provinces, ministries, directorates and similar levels
Head offices of
rural district party committee, people's councils, people's committees of
rural districts; departments and similar levels
Head offices of
party committees, people's councils, people's committees of communes and
similar levels
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Notes:
- Any work not listed in the Table 1.1 shall be classified
according to the Table 1.1 if its type is found in conformity with types of
works as stated therein.
- Any work not listed in the Table 1.1 and its type
not in conformity with types of works as stated therein shall be classified
according to type and structure (Annex 2);
- Religious works (head
offices of religious organizations, pagodas, churches, chapels, cathedrals,
oratories, Buddhist temples, religious education schools, religious statues…):
construction classes are determined according to type and structure (Annex 2)
but not below class III;
- Refer to examples of
determination of classes of civil works in Annex 3;
Table 1.2. Classification of industrial works
No.
Types of
industrial works
Classification
criteria
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Special
I
II
III
IV
1.2.1
Production of building materials
1.2.1.1 Mining works exploiting raw materials for
production of building materials
Total capacity
(million m3/year)
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≥ 3
<
3
1.2.1.2. Cement production factories
Total capacity
(million tonnes /year)
>
1
0.5 ÷ 1
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1.2.1.3 Cement grinding stations
Total capacity
(million tonnes /year)
>
1.5
0.5 ÷ 1.5
<
0.5
1.2.1.4. Concrete product
& component production factories; cement aggregate production factories
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>
150
≤
150
1.2.1.5. Centrifugal
concrete component, prestressed concrete production factories
Total capacity
(thousand cubic meters of components/year
>
150
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<
30
1.2.1.6. Autoclaved aerated
concrete (AAC) component production factories
Total capacity
(thousand cubic meters of components/year
>
200
100
÷ 200
<
100
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(million
pieces/year)
>
60
20
÷ 60
<
20
1.2.1.8. Tiling production factories
Total capacity
(million m2/year)
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5
÷ 15
<
5
1.2.1.9. Ceramic sanitary ware
production factories
Total capacity
(million products/year)
>
1
0.3 ÷ 1
<
0.3
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1.2.1.10. Construction glass
production factories
Total capacity
(million m2 of glass/year)
>
20
5 ÷
20
<
5
1.2.1.11. Manufacturers of glass-based products
(tempered glass, glass boxes, multi-layer glass…)
Total capacity
(million m2 of glass/year)
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≥
200
<
200
1.2.2
Metallurgy and fabrication mechanical
engineering
1.2.2.1. Metallurgical plants
a) Color metallurgical plants
Total capacity
(million products/year)
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>
0.5
0.1 ÷ 0.5
<
0.1
b) Steel refining and rolling plants
Total capacity
(million products/year)
>
1
0.5
÷ 1
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1.2.2.2. Metallurgical complexes
Level of
importance
Any scale
1.2.2.3. Engine and agricultural machinery
production factories
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>
5
2.5 ÷ 5
<
2.5
1.2.2.4. Machines and industrial equipment
production factories
Total capacity
(thousand products/year)
>
1
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<
0.5
1.2.2.5. Overhead lifting equipment production
factories
Total capacity
(thousand tonnes of products/year)
>
200
≤
200
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a) Bulldozer, excavator production and assembling
factories
Total capacity
(products/year)
>
250
≤
250
b) Static and vibrating roller production and
assembling factories
Total capacity
(products/year)
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>
130
≤
130
c) Self-erecting crane production and assembling
factories
Total capacity
(products/year)
>
40
≤ 40
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1.2.2.7. Overall equipment production factories
Total capacity
(thousand tonnes of equipment/year)
>
10
5 ÷
10
<
5
1.2.2.8 Transport vehicle production and
assembling factories
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Total capacity
(thousand cars/year)
>
10
5 ÷ 10
<
5
b) Motorbike production and assembling factories
Total capacity
(thousand bikes/year)
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≤
500
c) Locomotive production and assembling factories
Total capacity
(thousand locomotives/year)
>
1
0.5 ÷ 1
<
0.5
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1.2.3
Mining and mineral processing
1.2.3.1 Coal pit mines
Total capacity
(million tonnes of coal/year)
>
1
0.3 ÷ 1
<
0.3
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Total capacity
(million tonnes of ore/year)
>
3
1 ÷
3
<
1
1.2.3.3. Open-pit coal mines
Total capacity
(million tonnes of coal/year)
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≥ 2
<
2
1.2.3.4. Open-pit ore mines
Total capacity
(million tonnes of ore/year)
≥ 2
<
2
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1.2.3.5. Coal preparation
plants
Total capacity
(million tonnes/year)
>
5
2 ÷
5
<
2
1.2.3.6. Ore preparation/enrichment plants (including
bauxite preparation)
Total capacity
(million tonnes/year)
...
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>
7
3 ÷
7
<
3
1.2.3.7. Alumina production plants
Level of
importance
Class I at any scale
1.2.4
Oil and gas
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Level of
importance
Class I at any scale
1.2.4.2. Oil refinery works
Total capacity
(million tonnes/year)
≥ 10
<
10
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Total capacity
(million m3 of gas/year)
≥ 10
<
10
1.2.4.4. Biofuel production works
Total capacity
(thousand tonnes of products/year)
>
500
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<
200
1.2.4.5. Petroleum storage
Total capacity
(thousand cubic meters)
>
100
5
÷ 100
0.21 ÷ < 5
<
0.21
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1.2.4.6. LPG storage and filling stations
Total capacity
(thousand cubic meters)
>
100
5 ÷
100
<
5
1.2.4.7. Petroleum, oil, LPG retailing stations
Level of
importance
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1.2.5
Energy
1.2.5.1. Thermo-electrical plants
Total capacity
(MW)
>
2,000
600
÷ 2,000
50 ÷
< 600
<
50
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Level of
importance
Special class at any scale
1.2.5.3. Hydro-electrical plants
Total capacity
(MW)
>
1,000
>
50 ÷ 1,000
>
30 ÷ 50
≤ 30
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Total capacity
(MW)
>
30
10 ÷ 30
<
10
1.2.5.5. Solar power plants
Total capacity
(MW)
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10 ÷ 30
<
10
1.2.5.6. Geothermal-electrical plants
Total capacity
(MW)
>
10
5
÷ 10
<
5
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1.2.5.7. Tidal power plants
Total capacity
(MW)
>
50
30
÷ 50
<
30
1.2.5.8. Waste-based power plants
Total capacity
(MW)
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>
15 ÷ 70
5
÷ 15
<
5
1.2.5.9. Biomass-fuelled power plants
Total capacity
(MW)
>
30
10 ÷
30
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1.2.5.10. Biogas-based power plants
Total capacity
(MW)
>
15
5 ÷
15
<
5
1.2.5.11. Transmission lines and transformers
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≥
500
220
110
35
<
35
1.2.6
Chemicals
1.2.6.1. Fertilizer and plant protection chemical
production plants
a) Urea, DAP, MPA, SA, NPK mixed fertilizer production
plants
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>
500
200
÷ 500
<
200
b) Phosphate fertilizer production plants
(superphosphate, calcined phosphate fertilizer)
Total capacity
(thousand tonnes of products/year)
>
500
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<
300
c) NPK mixed fertilizer, biofertilizer production
plants
Total capacity
(thousand tonnes of products/year)
≥
300
<
300
...
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Total capacity (thousand
tonnes of products/year)
>
15
10 ÷
15
<
10
1.2.6.2. Basic chemical, petrochemical,
pharmaceutical chemical, cosmetics and other chemical production works
a) Ammonia, acid, soda production plants
Total capacity (thousand
tonnes of products/year)
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100
÷ 200
40
÷ < 100
<
40
b) Soda production plants
Total capacity
(thousand tonnes of products/year)
>
300
200
÷ 300
...
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c) Inorganic salt, oxide production plants
Total capacity
(thousand tonnes of products/year)
≥ 20
<
20
d) Pure inorganic chemical production plants
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>
20
10 ÷ 20
<
10
dd) Petrochemical product production (PP, PE,
PVC, PS, PET, SV, fiber, DOP, Polystyrene, LAB, synthetic rubber and other
products)
Total capacity
(thousand tonnes of products/year)
>
500
200
÷ 500
...
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e) Pharmaceutical chemical production plants
Level of
importance
Class I with any scale
g) Cosmetics production plants
Total capacity
(thousand tonnes of products/year)
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≤ 5
h) Hazardous, toxic chemical production plants
Level of
importance
Class I with any scale
1.2.6.3. Chemical power source production works
a) Cell production plants
Total capacity
(million pieces/year)
...
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>
150
15 ÷ 150
<
15
b) Battery production plants
Total capacity
(thousand kWh/year)
>
450
150
÷ 450
<
150
...
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c) Welding electrode production plants
Total capacity
(thousand tonnes of products/year)
≥ 3
<
3
1.2.6.4. Industrial gas production plants
Total capacity
(thousand cubic meters of gas/hour)
...
...
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≥ 8.5
<
8.5
1.2.6.5. Rubber production works:
a) Automobile tire, inner tube production plants
Total capacity (million
pieces/year)
>
1
...
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<
0.5
b) Bike tire, inner tube production plants
Total capacity
(million pieces/year)
>
5
1
÷ 5
<
1
...
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Total capacity
(thousand products/year)
>
500
200
÷ 500
<
200
d) Technical rubber production plants
Total capacity
(million products/year)
...
...
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>
1.5
0.5 ÷ 1.5
<
0.5
1.2.6.6. Cleaning product production plants (washing
cream, washing powder, shampoo, cleansing liquid, detergents…)
Total capacity
(thousand tonnes of products/year)
>
15
5
÷ 15
...
...
...
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1.2.6.7. Paint, ink production plants
Total capacity
(thousand tonnes of products/year)
>
20
5
÷ 20
<
5
1.2.6.8. Alkyd, acrylic resin production plants
Total capacity
(thousand tonnes of products/year)
...
...
...
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>
20
5
÷ 20
<
5
1.2.6.9. Chemical mine production plants (apatite
ore preparation)
Total capacity (thousand
tonnes of products/year)
>
600
350
÷ 600
...
...
...
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1.2.6.10. Explosive, explosive precursors
production and storage works
1.2.6.10. Explosive, explosive precursors
production and storage works
Level of
importance
Special class at any scale
b) Industrial explosive warehouses
Underground warehouses
Level of
importance
...
...
...
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Fixed floating and half-underground warehouses
Capacity (tonnes)
>
10
≤ 10
Mobile warehouses
Level of
importance
...
...
...
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c) Explosive precursor warehouses
Underground warehouses
Level of
importance
Class I at any scale
Fixed floating and half-underground warehouses
Capacity (tonnes)
>
50
...
...
...
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Mobile warehouses
Level of
importance
Class II at any scale
1.2.7
Light industries
1.2.7.1. Food industry
a) Dairy plants
...
...
...
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>
100
30 ÷
100
<
30
b) Confectionery, instant noodle production
plants
Total capacity
(thousand tonnes of products/year)
>
25
...
...
...
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<
5
c) Cooking oil, aromatic spice production plants
Total capacity (thousand
tonnes of products/year)
>
150
50 ÷
150
<
50
...
...
...
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Total capacity
(million liters/year)
>
100
25 ÷
100
<
25
1.2.7.2. Consumer goods industries
a) Fiber plants
Total capacity
(thousand tonnes of products/year)
...
...
...
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>
75
30 ÷
75
<
30
b) Textile plants
Total capacity
(million square meters of products/year)
>
25
5 ÷
25
...
...
...
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c) Printing, dying plants (textile and apparel)
Total capacity
(million square meters of products/year)
>
35
10 ÷ 35
<
10
d) Garment factories
...
...
...
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>
10
2
÷ 10
<
2
dd) Leather production plants
Total capacity
(million products/year)
>
12
...
...
...
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<
1
d) Plastic products factories
Total capacity
(thousand tonnes of products/year)
>
15
2 ÷
15
<
2
...
...
...
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Total capacity
(thousand tonnes of products/year)
>
25
3 ÷
25
<
3
h) Paper pulp and paper plants
Total capacity
(thousand tonnes of products/year)
...
...
...
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60 ÷
100
<
60
i) Tobacco production factories
Total capacity
(million packs/year)
>
200
50 ÷
200
<
50
...
...
...
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k) Electronic assembling factories (TV, computers
and similar products), refrigeration (air conditioners, refrigerators and
similar products)
Total capacity
(thousand products/year)
>
300
100
÷ 300
<
100
m) Electronic, communications accessories, spare
part production factories (printed circuit board, IC and similar products)
Total capacity
(million products/year)
...
...
...
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>
400
300
÷ 400
<
300
n) Money printing factories
Level of
importance
Special class at any scale
1.2.7.2. Agricultural, fishery and seafood
product processing industries
a) Fishery, seafood processing plants
...
...
...
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>
300
100
÷ 300
<
100
b) Canned product processing plants
Total capacity
(tonnes of raw materials/day)
...
...
...
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<
100
c) Rice husking and polishing plants
Total capacity (thousand
tonnes of products/year)
>
200
100
÷ 200
1 ÷
< 100
<
1
...
...
...
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- Any industrial work with types in conformity with
the types of works as stated in the Table 1.2 shall be classified according to
the table, even though it is not listed in the table above; Any industrial work
with its type is found not in conformity with the table shall be classified on
the basis of type and structure (Annex 2);
- Refer to examples of determination of classes of
industrial works in Annex 3;
Table 1.3. Classification of infrastructural
works
No.
Type of works
Classification
criteria
Construction
classes
Special
I
...
...
...
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III
IV
1.3.1
Water supply
1.3.1.1. Water plants, clean water treatment
works (including sludge treatment plants)
Total capacity
(thousand m3/day and night)
≥ 30
10 ÷
< 30
...
...
...
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1.3.1.2. Raw water, clean water pumping stations
(including a reservoir if any)
Total capacity
(thousand m3/day and night)
≥ 40
12 ÷
< 40
<
12
1.3.2
...
...
...
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1.3.2.1. Detention basin
Area (ha)
≥ 20
15 ÷
< 20
1 ÷
< 15
<
1
1.3.2.2. Water pumping stations (including a
reservoir if any)
Total capacity (m3/s)
...
...
...
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≥ 25
10
÷ < 25
<
10
1.3.2.3. Wastewater treatment plants
Total capacity
(thousand m3/day and night)
≥ 20
10 ÷
< 20
...
...
...
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1.3.2.4. Wastewater pumping stations (including a
reservoir if any)
Total capacity (m3/s)
≥
1.200
700
÷ < 1,200
<
700
1.3.2.5. Sludge treatment works
...
...
...
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≥ 1,000
200 ÷
< 1,000
<
200
1.3.3
Solid waste treatment
1.3.3.1. Normal solid waste treatment facilities
...
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a) Transshipment stations
Total capacity
(tonnes/day and night)
≥
500
200
÷ < 500
...
...
...
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<
100
b) Solid waste treatment facilities
Total capacity
(tonnes/day and night)
≥
500
200
÷ < 500
50 ÷
< 200
<
50
1.3.3.2. Hazardous solid waste treatment
facilities
...
...
...
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>
100
20 ÷
100
<
20
1.3.4
Public lighting system
Public lighting works are classified in
accordance with classes of lighted works and no greater than class II.
1.3.5
...
...
...
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Area (ha)
>
20
10 ÷
20
5
÷ < 10
<
5
1.3.6
Graveyards
Area (ha)
...
...
...
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>
60
30 ÷
60
10 ÷
< 30
<
10
Level of
importance
National graveyard: class I at any scale
1.3.7
Funeral parlors
Level of
importance
...
...
...
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1.3.8
Crematoriums
Level of
importance
Class II with any scale
1.3.9
Automobile parking house; yards for parking,
machinery and equipment
1.3.9.1. Underground automobile parking house *
Number of parking
spaces
...
...
...
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≥
500
300
÷ < 500
<
300
1.3.9.2 Floating automobile parking houses *
≥ 1,000
500
÷ <1,000
100
÷ < 500
...
...
...
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1.3.9.3 Yards for parking, machinery and
equipment (not covered)
Total area (ha)
>
2.5
≤ 2.5
Notes:
-: (*) Intended for
automobiles with a maximum of 9 seats or trucks below 3,500kg. In case of
a mixed parking house (including motorbikes), one space for an automobile shall
be converted into six spaces for motorbikes;
...
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- Any work not listed in the Table 1.3 and its type
not in conformity with the types of works as stated therein shall be classified
according to type and structure (Annex 2);
Refer to examples of determination of classes of
infrastructural works in Annex 3;
Table 1.4. Classification of traffic works
No.
Type of works
Classification
criteria
Construction
classes
Special
I
...
...
...
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III
IV
1.4.1
Roads
1.4.4.4. High-speed roads for automobiles
Design speed
(km/h)
>
100
>
80 ÷ 100
60 ÷
80
...
...
...
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1.4.1.2. Roads for automobiles
Flows (thousand
cars/day and night)
>
30
or
10 ÷
30
or
3
÷< 10
or
...
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or
<
0,3
or
Design speed
(km/h)
>
100
>
80 ÷ 100
60 ÷
80
40 ÷
< 60
...
...
...
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1.4.1.3. Urban roads:
a) Urban high-speed roads; urban main roads;
Design speed
(km/h)
≥ 80
60 ÷
< 80
b) Inter-regional roads
...
...
...
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60
c) Regional main roads; regional roads
Design speed
(km/h)
...
...
...
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40 ÷ 50
d) Subdivision roads, internal roads…
Design speed
(km/h)
40
20 ÷
30
...
...
...
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Scale
Any scale
1.4.1.4. Intersections
...
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a) At-grade intersections
Design speed
(km/h)
>
100
>
80 ÷ 100
60 ÷
80
<
60
...
...
...
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b) Interchanges
Flows (thousand
cars/day and night)
≥ 30
10 ÷
< 30
3 ÷
< 10
<
3
1.4.1.5. Rural roads
Scale
...
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...
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Any scale
1.4.2
Railway
1.4.2.1. High-speed railways, urban
railways (Overhead railways, metros)
Level of
importance
Special class at any scale
...
...
...
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Design speed (km/h)
120
÷ 150
70 ÷
< 120
<
70
1.4.2.3. National railways (track gauge 1,000mm),
dual gauge (1,435 – 1,000)mm
100
÷ 120
...
...
...
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<
60
1.4.2.4. Specialized railways, local railways
Design speed
(km/h)
≥ 70
<
70
...
...
...
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Bridges
1.4.3.1. Floating bridges
Flows (cars/day
and night)
>
3,000
1,000 ÷ 3,000
700
÷ < 1,000
500
÷ < 700
1.4.4
...
...
...
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Metro tunnels
Level of
importance
Special class at any scale
1.4.5
Inland waterways
1.4.5.1. Inland watercraft repairing and building
works (wharves, docks…)
Watercraft’s
loading capacity (DWT)
>
30,000
...
...
...
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5,000 ÷ < 10,000
<
5,000
1.4.5.2. Ports, inland wharves:
a) Quays
Ship’s loading
capacity (DWT)
>
5,000
3,000 ÷ 5,000
1,500 ÷ < 3,000
750
÷ < 1,500
...
...
...
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b) Wharves
Vehicles of
largest sizes (seats)
>
500
300
÷ 500
100
÷ < 300
50 ÷
< 100
<
50
1.4.5.3. Ferry terminals
Flows
(vehicles/day and night)
...
...
...
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700
÷ 1.500
400
÷ < 700
200
÷ < 400
<
200
1.4.5.4. Locks
Ship’s loading
capacity (DWT)
>
3,000
1,500 ÷ 3,000
750
÷ < 1,500
...
...
...
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<
200
1.4.5.5. Waterways with width (B) and depth (H)
of navigable waters:
a) On rivers, lakes, bays and navigable channels
leading to islands
Width B (m) and
depth (m) of navigable waters
B
> 120
H>
5
B =
90 ÷ < 120
H =
4 ÷ 5
B = 70
÷ < 90
...
...
...
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B =
50 ÷ < 70
H =
2 ÷ < 3
B
< 50
H
< 2
b) On canals
Width B (m) and
depth (m) of navigable waters
B
> 70
H>
5
B =
50 ÷ < 70
...
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...
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B =
40 ÷ < 50
H =
3 ÷ < 4
B =
30 ÷ < 40
H =
2 ÷ < 3
B
< 30
H
< 2
1.4.6
Marine
1.4.6.1. Seaports; areas for anchorage,
transshipment and avoidance of storms
...
...
...
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>
70,000
30,000
÷ 70,000
10,000
÷ < 30,000
5,000
÷ < 10,000
<
5,000
1.4.6.2. Ship, floating
docks, locks repairing and building works
Ship’s loading
capacity (DWT)
>
70,000
30,000
÷ 70,000
...
...
...
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5,000
÷ < 10,000
<
5,000
1.4.6.3. One-lane navigable channels:
a) Navigable channels on estuaries, open bays,
sea;
b) Navigable channels on rivers, closed bays,
lagoons, canals…
Width B (m) and
depth H(m)
B
> 190
và
...
...
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140
< B ≤ 190
và
14 ≤
Hct < 16
80
< B ≤ 140
và
8 ≤
Hct < 14
50
< B ≤ 80
và
5 ≤
Hct < 8
...
...
...
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và
Hct
< 5
1.4.6.4. Other marine works:
a) Signaling buoy on rivers, seas
(Hmn (m)- Maximum depth at the
position of buoys)
Diameter of buoy
D(m) or length of chain Ldx (m)
D > 5
or
Ldx ≥
3Hmn
...
...
...
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or
2.5Hmn
≤ Ldx < 3Hmn
2.5 < D ≤ 3.5
or
2Hmn
≤ Ldx < 2.5Hmn
2
< D ≤ 2.5
or
1.5Hmn
≤ Ldx < 2Hmn
D ≤
2
...
...
...
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Ldx
< 1.5Hmn
b) Light houses
Effective range R
(nautical mile)
R
≥ 10
8 ≤
R < 10
6 ≤
R< 8
4 ≤
R< 6
R
< 4
c) Beacons
...
...
...
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R ≥
6
4 ≤
R < 6
2.5
≤ R < 4
1 ≤
R < 2.5
R
< 1
1.4.7
Aviation
1.4.7.1. Fly zone
Classification is
instructed by ICAO
...
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Airfields below 4E
1.4.7.2. Air navigation works (excluding Section
1.4.7.1 and Section 1.4.7.3)
Level of
importance
International
airports
Domestic airports,
airfields
...
...
...
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1.4.7.3. Aircraft hangars
Level of
importance
Class I at any scale
Notes:
- Any traffic work with types
in conformity with the types of works as stated in the Table 1.4 shall be
classified according to the table, even though it is not listed in the table
above.
- Any traffic work not listed
in the Table 1.4 and its type not in conformity with the types of works as
stated therein shall be classified according to type and structure (Annex 2);
- Refer to examples of determination of classes of
traffic works in Annex 3;
Table 1.5. Classification of agriculture and
rural development works
...
...
...
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Type of works
Classification
criteria
Construction
classes
Special
I
II
III
IV
1.5.1
...
...
...
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1.5.1.1. Water supply or drainage works
Area (thousand ha)
>
50
>
10 ÷ 50
>
2 ÷ 10
≤ 2
1.5.1.2. Reservoirs corresponding to normal
rising levels
Volume (million m3)
...
...
...
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>
200 ÷ 1,000
>
20 ÷ 200
>
3 ÷ 20
<
3
1.5.1.3. Supply of untreated
water to other branches
Flow (m3/s)
>
20
>
10 ÷ 20
>
2 ÷ 10
...
...
...
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1.5.2
Dyke works: The classification is
instructed by the Ministry of Agriculture and Rural Development authorized by
the Government in Clause 2, Article 2 of the Government's Decree No.
113/2007/ND-CP dated June 28, 2007 providing instructions on the
implementation of a number of articles of the Law on Dykes.
Notes:
- Any agricultural work with
types in conformity with the types of works as stated in the Table 1.5 shall be
classified according to the table, even though it is not listed in the table
above;
- Any agricultural work not
listed in the Table 1.5 and its type not in conformity with the types of works
as stated therein shall be classified according to type and structure (Annex
2);
- For livestock and crop
production, forestry, salt production, fishery, rural development construction
and other agricultural works that normally include other works such as civil,
industrial, traffic, irrigation and technical infrastructural works... due to
its specific characteristics, the classification shall be based on specific
cases to ensure accordance with classification principles as prescribed hereof;
- Refer to examples of
determination of classes of agricultural works in Annex 3;
...
...
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CLASSIFICATION OF CONSTRUCTION WORKS ACCORDING TO
STRUCTURE
(Enclosed with
the Ministry of Construction’s Circular No. 03/2016/TT-BXD)
Table 2. Classification of construction works
according to structure
No.
Types of
structure
Classification
criteria
Construction
classes
Special
I
...
...
...
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III
IV
2.1
2.1.1. House, house-shaped structures
(Villas not below class III)
2.1.2. Multi-story works (not including
structures in Section 2.2)
2.1.3. Frame-shaped large span structures (not
including structures in sections 2.3 and 2.5)
a) Height (m)
...
...
...
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>
75 ÷ 200
>
28 ÷ 75
>
6 ÷ 28
≤ 6
b) Number of stories
>
50
>
20 ÷ 50
8 ÷
20
2 ÷
7
...
...
...
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c) Total floor area (thousand m2)
>
20
>
10 ÷ 20
1 ÷
10
<
1
d) Largest span (m)
>
200
100
÷ 200
...
...
...
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15 ÷
< 50
<
15
dd) Underground depth (m)
>
18
6 ÷
18
<
6
e) Number of underground stories
...
...
...
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≥ 5
2 ÷
4
1
2.2
2.2.1. Column, pier, tower shaped structures
in civil, industrial and traffic constructions
Height of structure (m)
>
200
>
75 ÷ 200
...
...
...
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>6 ÷ 28
≤ 6
2.2.2. Column, pier, tower shaped structures
in infrastructural works
Height of structure (m)
≥
300
150
÷ < 300
75
÷ < 150
>
45 ÷ < 75
≤ 45
...
...
...
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Cable car system
a) Height of support columns (m) or height from
ground, water level (m)
>
200
>
75 ÷ 200
>
28 ÷ 75
>
6 ÷ 28
≤ 6
b) Maximum distance between two support columns
(m)
≥ 1,000
...
...
...
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200
÷ < 500
50 ÷
< 200
<
50
2.4
Reservoir, silo - shaped structures (swimming
pools, containers of liquid, gas, silos, water towers and other similar
structures)
Structures of
containers of harmful substances (likely to impose danger on human, animal and
plant health) shall be increased a level after being classified according to
this table but no special class.
a) Volume (thousand m3)
>
15
...
...
...
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1 ÷
< 5
<
1
b) Height of structures (m)
≥ 75
>
28 ÷ < 75
6 ÷
28
<
6
c) Underground depth (m)
...
...
...
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>
18
>
6 ÷ 18
>
3 ÷ 6
≤ 3
2.5
Bridges (in traffic constructions)
2.5.1. Road bridges: according to criteria (a,
b);
2.5.2. Railway bridges: according to criteria (b,
c)
Bridges with application of new construction
technologies (main structure construction technologies applied in Vietnam for
the first time) shall be increased one level after being classified according
to this table.
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>
150
>
100 ÷ 150
>
42 ÷ 100
>
25 ÷ 42
≤ 25
b) Height of bridge support columns (m)
>
50
30 ÷ 50
15 ÷
< 30
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...
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<
6
d) Largest span (m)
>
100
50 ÷
100
25 ÷
< 50
<
25
2.5.3. pedestrian overpasses; suspension bridges for
pedestrians, livestocks, bicycles, motorbikes and other non-motorized
vehicles; one-span rope bridges on rural roads (maximum span of 3.5m)
d) Largest span (m)
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>
50
25 ÷
50
<
25
b) Height of support columns or height from bottom
of bridge beam to ground/water level (m)
>
30
15 ÷
30
...
...
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2.6
Tunnels (Road, railway tunnels;
irrigation, hydroelectric tunnels...)
Not including metro tunnels, technical tunnels
in factories (Section 2.10.4.b) and natural resources and mineral mines
a) Total length of tunnel (m)
>
1,500
500
÷ 1,500
100÷
< 500
<
100
...
...
...
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≥
100
30 ÷
< 100
<
30
c) Structure of tunnel shell
With the structure
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2.7
Barrier walls
Barrier walls used for political works under
Sections 2.11 and 2.12 shall be reviewed in combination with structure criteria
in this Section.
a) Stone ground
Height (m)
>
25 ÷ 40
>
15 ÷ 25
...
...
...
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≤ 8
b) Ground made of sand, soil, coarse soil, clay
in hard and semi-hard state
>
12 ÷ 20
>
5 ÷ 12
≤ 5
c) Ground made of water saturated clay in soft
state
...
...
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>
10 ÷ 15
>
4 ÷ 10
≤ 4
2.8
Dams and other pressure irrigation and
hydroelectric works
2.8.1. Earth dams, earth-stone dams of all kinds
a) Stone ground
Height of dam (m)
>
100
...
...
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>
25 ÷ 70
> 10 ÷ 25
≤ 10
b) Ground made of sand, soil, coarse soil, clay
in hard and semi-hard state
>
35 ÷ 75
>
15 ÷ 35
>
8 ÷ 15
≤ 8
...
...
...
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>
15 ÷ 25
>
5 ÷ 15
≤ 5
2.8.2. Concrete dams,
reinforced concrete dams of all kinds and other pressure irrigation and
hydroelectric works
a) Stone ground
Height of dam (m)
>
100
...
...
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>
25 ÷ 60
>
10 ÷ 25
≤ 10
b) Ground made of sand, soil, coarse soil, clay
in hard and semi-hard state
>
25 ÷ 50
>
10 ÷ 25
>
5 ÷ 10
≤ 5
...
...
...
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>
10 ÷ 20
>
5 ÷ 10
≤ 5
2.9
Reinforced structure of slope surface
(Brick/stone-lined, concrete-cast except structure of barrier walls in
Section 2.7)
Height from footing to top of slope
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>
30
≤ 30
2.10
Pipe/sewage lines
Pipe/sewage
lines with total length ≤ 1000 m shall be reduced one level after
being classified according to this Table.
2.10.1. Water supply pipelines (raw water or
clean water)
Diameter of pipes (mm)
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400
÷ < 800
150
÷ < 400
<
150
2.10.2. Rainwater sewer lines
≥ 2,000
1,500 ÷ <2,000
600
÷ < 1,500
<
600
...
...
...
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≥ 1,000
600
÷ < 1,000
200
÷ < 600
<
200
2.10.4. Cable ducts, trenches, tunnels (in
information & communication works, technical tunnels in factories)
a) Technical trenches, cable ducts
Clearance width (m)
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...
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>
0.7
≤ 0.7
b) Technical tunnels
(Technical tunnels in factories are not higher
than class I)
Clearance width (m)
>
7
>
3 ÷ 7
≤ 3
...
...
...
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2.10.5. Oil, gas pipelines
Inner diameter of pipes (mm)
≥
200
<
200
...
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Under sea
Under river
On mainland
2.11
Seaports
2.11.1. Coastal works: Seaports; areas for
anchorage, transshipment and avoidance of storms; wharves.
a) Height of structures or depth of water (m)
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...
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>
20
>
15 ÷ 20
>
10 ÷ 15
>
5 ÷ 10
≤ 5
b) Area of structure surface (thousand m2)
≥ 20
10 ÷ < 20
...
...
...
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<
1
2.11.2. Estuary, coastal training structures
(breakwaters, drift dikes, embankments…)
2.11.3. Ferry terminals, ports and wharves at
islands, specialized ports constructed on sea (floating docks, hydro-pneumatic
dikes, multi-function floating ports...)
Maximum height of structures (m) or depth of
water (m)
>
16
>
12 ÷ 16
>
8 ÷ 12
>
5 ÷ 8
...
...
...
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2.12
Inland waterway ports
2.12.1. Ports, quays, wharves;
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a) Height of structures or depth of water (m)
>
8
>
5 ÷ 8
>
3 ÷ 5
≤ 3
b) Area of structure surface (thousand m2)
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...
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≥ 10
5 ÷
< 10
1 ÷ <
5
<
1
2.13
Locks
Depth of water
>
20
>
15 ÷ 20
...
...
...
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>
5 ÷ 10
≤ 5
2.14
Other small-sized structures
...
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2.14.1. Fences, walls; protection handrails and
other similar structures
Height (m)
>
6
≤ 6
2.14.2. Parterres, tombstones, observatories (on
mainland)…and other small-sized structures (constructed of
brick/stone/concrete blocks): Class IV
Notes:
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a) Based on characteristics of the works, determine
types of structures according to sections in Table 2;
b) Determine construction classes according to
classification criteria for types of structures determined in Point a. Take
determined highest class as the class of the works.
2. A number of glossaries used
in Table 2’s classification criteria is construed as follows:
a) House, house-shaped structures mean cube-shaped
works constructed on the ground, with or without load bearing, covering
structures, and roof.
b) Determine height of structures:
- For construction
works/structures in Section 2.1, height is calculated from ground
elevation of the work/structure to its highest point (including attic floors or
slope roof). For construction works/structures constructed on the ground with
difference For construction works/structures with different ground
elevations, height shall be calculated from the lowest ground elevation. If top
of the structure accommodates technical equipment such as antenna columns,
lightning-arresting columns, solar energy equipment, metal water tanks…, height
of such equipment shall not included in the structure height;
- For structures in Section
2.2: Structure height shall be calculated from ground elevations to its
highest point of the structure. For construction works/structures with
different ground elevations, height shall be calculated from the lowest ground
elevations.
Structure height in some separate cases is
instructed as follows:
+ For pier, tower, support column structures in
Section 2.2.1, structure height is calculated as total height of equipment
support pier, tower and equipment placed thereon;
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- For structures in Section
2.3, height of a support column is the distance from the upper face of
column foundation to its top; height over ground, water level is the distance
from the cable to ground or water level (average annual water level).
- For structures in Section
2.4: height of storage structures is determined the same as Section 2.1.
- For structures in Section
2.5, height of piers is the distance from the upper face of pier
foundation to its top;
- For barrier wall structures
in Section 2.7, height of barrier walls is calculated from lower ground
level to its top;
- For dam structures in
Section 2.8.2, height is calculated from bottom of the lowest cut-off
walls to the crest;
- For dam structures in
Section 2.8.2, height is calculated from the lowest foundation surface
to the crest.
d) Number of floors of a
building/construction work: Include all floors on the ground including
technical floors, mezzanine floors, attic floors or semi-underground floors.
d) Number of underground floors of a
building/construction work include all the floors underground excluding
semi-underground floors.
c) Underground depth is the depth calculated
from ground elevation down to upper face of the deepest basement floor..
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h) Total floor area of a
building/construction work is the total area of all the floors including
basement floors, semi-underground floors, technical floors and attic floors.
Floor area of a floor is the construction area of such floor including outer
walls (or shared portion of the walls belonging to the structure) and area of
logia, balcony, staircases, lift wells, technical boxes and chimneys./.
3. For open water drainage
channels (infrastructural works), the classification is based on reinforced
structures of channel embankments or roof (choose types that are appropriate
for Section 2.9)
4. Refer to examples of
determination of construction classes according to structures in Annex 3;
ANNEX 3
EXAMPLES OF CLASSIFICATION OF CONSTRUCTIONS
(Enclosed with
the Ministry of Construction’s Circular No. 03/2016/TT-BXD dated March 10,
2016)
3.1. Example 1: Civil works – Upper Secondary
School A
The project on investment and construction of the
Upper Secondary School A for 1,500 students. The project includes following
works:
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- Building A2 (Classrooms): 6
floors, total floor area: 4,650 m2;
- Building A3 (Classrooms): 4
floors, total floor area: 4,000 m2;
- Building A4 (Classrooms): 5
floors, total floor area: 5,000 m2;
- Building A5 (indoor
multi-functional sports facilities with a grandstand) Besides, this building
shall be used as a place for school meetings, conferences (one floor (12m),
300-seat grandstand, total floor area 5,200m2, largest structural
span 40m, total accommodation for an event 1,250 persons);
- Building A6 (dorm): 5
floors, total floor area: 3,000 m2;
- Garden yard: 2 ha;
- Internal road system for
pedestrians, bicycles, motorbikes, automobiles at speed < 20 km/h;
- Lighting system for garden
yard and internal roads;
- Fence: 3 meters high;
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The classification is instructed as follows:
a) The Upper Secondary School A has a complex of
major constructions (including buildings from A1 – A5). According to Point a,
Clause 1, Article 2 hereof, and Section 1.1.1.3, Table 1.1, Annex 1, the Upper
Secondary School A is classified as class II (according to capacity).
b) Classification of individual works belonging to
the Upper Secondary School A:
- Building A1: not listed in
the Table 1.1, Annex 1, hence, according to Point a, Clause 1, Article 2
hereof, the classification shall be based on structure. According to Table 2,
Annex 2, this work corresponds to Section 2.1.1 and is classified as class III
(area-based), class I (number of floors-based). Class of the Building A1: class
II (highest class determined).
- Building A2: Classification
is the same as Building A1. Class of the Building A2: class III.
- Building A3: Classification
is the same as Building A1. Class of the Building A3: class III.
- Building A4: Classification
is the same as Building A1. Class of the Building A4: class III.
- Building A4: this work has
separate capacity and is classified according to Clause 2, Article 2 hereof as
follows:
+ Capacity-based classification corresponding to
Section 1.1.3.2, Table 1.1, Annex 1 (Sports works) (Class III), to Section 1.1.4.1,
Table 1.1, Annex 1 (works attracting crowds) (Class II). Capacity-based highest
class of the work: Class II;
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Hence, the Building A5 is classified as class II
(highest class determined on the basis of capacity and structure)
- Garden yard corresponds to
Section 1.3.5, Table 1.3, Annex 1 and classified as class IV according
to area.
- Lighting for Garden Yard and
internal roads corresponds to Section 1.3.4, Table 1.3, Annex 1 and classified
as class IV (based on class of lighted works, garden yard and internal
roads classified as class IV above);
- Internal roads corresponds
to Section 1.4.1.3 and 1.4.1.3, Table 1.3, Annex 1 and classified as class
IV.
- Protection fence: not listed
in the Table 1.1, Annex 1, hence, according to Point a, Clause 1, Article 2
hereof, the classification shall be based on structure. According to Table 2,
Annex 2, this work corresponds to Section 2.14.1; height-based classification: class
IV.
- Security House:
Classification is the same as Building A1. Class of the Security House: class
IV.
3.2. Example 2: Civil works – General Hospital Q
The project on investment and construction of the
General Hospital Q for 450 beds. The project includes following works:
- Building Q1 (Working
offices, training and research centers): 9 floors, total floor area 8,000 m2;
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- Building Q3 (Emergency and
surgery): 2 floors, total floor area: 2,000 m2;
- Building Q4 (Specialties,
post-surgery treatment): 22 floors, total floor area: 22,000 m2;
- Building Q5 (Food
preparation): 2 floors, total floor area 1,000 m2:
- Building A6 (Canteen): 2
floors, total floor area: 600 m2:
- Building A7 (Mortuary): 1
floor, total floor area: 500 m2;
- Building A8 (funeral
parlor): 1 floor, total floor area: 600 m2;
- Q9 (Wastewater treatment
plant): 1,500 m3/day and night;
- Q10 (Solid waste treatment
plant): capacity 5 tonnes/day;
- Garden yard;
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- Internal road system for
bicycles, motorbikes, automobiles at speed < 20 km/h;
- Fence: 4.5 m high;
- Security House (4 houses):
each house is one floor high with a area of 12 m2;
- Electrodynamic system: lines
and transformers, voltage < 35 kV;
- Lighting system for garden
yard and internal roads;
- Water supply system (Reservoir
and pumps): capacity 1,500 m3/day and night;
- Wastewater drainage sewer:
inner diameter and length of the pipe is 450 mm and 900m respectively.
The classification is instructed as follows:
a) The General Hospital Q has a complex of major
works (including Building Q1, Q2, Q3...). According to Point a, Clause 1,
Article 2 hereof and Section 1.1.2.1, the hospital is classified as class II
according to capacity.
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- Building Q1: not listed in
the Table 1.1, Annex 1, hence, according to Point a, Clause 1, Article 2
hereof, the classification shall be based on structure. According to Table 2,
Annex 2, this work corresponds to Section 2.1.1 and classified as class II.
- Building Q2: Classification
is the same as Building Q1. Class of the Building Q2: class III.
- Building Q3: Classification
is the same as Building Q1. Class of the Building Q3: class III.
- Building Q4: Classification
is the same as Building Q1. Class of the Building Q4: class I.
- Building Q5: Classification
is the same as Building Q1. Class of the Building Q5: class III.
- Building Q6: Classification
is the same as Building Q1. Class of the Building Q6: class III.
- Building Q7: Classification
is the same as Building Q1. Class of the Building Q7: class IV.
- Building Q8 (funeral parlor)
is the work listed in Table 1.3, Annex 1 and classified according to level of
importance. In this case, the classification according to Clause 2, Article 2
hereof is as follows:
+ Importance-based classification corresponds to
Section 1.3.7, Table 1.3, Annex 1 (class II)
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Hence, the Building A8 is classified as class II
(highest class determined on the basis of importance and structure);
- Wastewater treatment plant
corresponds to Section 1.3.2.3, Table 1.3, Annex 1 and is classified as class
III.
- Solid waste treatment plant
corresponds to Section 1.3.3.1.b, Table 1.3, Annex 1 and is classified as class
III.
- Outdoor parking lot
corresponds to Section 1.3.9.3, Table 1.3, Annex 1 and is classified as class
IV.
- Water supply system
(reservoir and pumps) corresponds to Section 1.3.1.2, Table 1.3, Annex 1 and is
classified as class III.
- Wastewater drainage sewers:
not listed in the Table 1.3, Annex 1, hence, according to Point a, Clause 1,
Article 2 hereof, the classification shall be based on structure. According to
Table 2, Annex 2, this work corresponds to Section 2.10.8 and is classified as
class III (according to pipe diameter) but reduced one level to class IV due
to total length of pipe being less than 1,000 m.
- Electrodynamic system
corresponds to Section 1.2.5.11, Table 1.2, Annex 1, and is classified as class
IV.
- Classification of garden
yard, lighting system, internal roads, fence, security house, refer to Example
1.
3.3. Example 3: Civil works – Apartment House X
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- Building XI (Apartment
house): 15 floors, 60 m high, total floor area 12,000 m2;
- Building X2 (Apartment
house): 18 floors, 72 m high, total floor area 15,000 m2;;
- Building X3 (Apartment
house): 25 floors, 100 m high, total floor area 22,000 m2;;
- Garden yard in the middle of
the buildings: 1,000 m2;
- Lighting for garden yard.
The classification is instructed as follows:
a) The apartment house X has several independent
major works (Building X1, X2 and X3). In this case, to determine authority of
construction authorities as prescribed in Clause 1, Article 3 hereof, highest
class of the work (class I) (class of Building X3) shall be used.
b) Classification of works belonging to the
apartment house X:
- Building X1: not listed in
the Table 1.1, Annex 1, hence, according to Point a, Clause 1, Article 2
hereof, the classification shall be based on structure. According to Table 2,
Annex 2, this work corresponds to Section 2.1.1 and IS classified as class II.
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- Building X3: the
classification is the same as Building XI (Class I).
- Classification of garden yard,
lighting system, internal roads, refer to Example 1.
3.5. Example 5 – Industrial
works – hydropower plant B
The project on investment and construction of the
hydropower plant, capacity of 100 MW. The project includes following works:
- Dam: 50 m high, concrete
structure placed on stone foundation;
- Reservoir: 10 million m3
corresponding to normal rising water level;
- Plant: capacity 100 MW;
- Transmission lines and
transformers: voltage 110 kV;
- Control House: floor area
2,000 m2, 4 floors without underground floors;
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- Internal roads for
automobiles at speed < 30 km/h;
Other works such as intake gate, pressure tunnel,
spillway…
The classification is instructed as follows:
a) The project has a major technology line.
According to Point a, Clause 1, Article 2 hereof and Section 1.2.5.3, Table
1.2, Annex 1, the plant is classified as class I according to capacity.
b) Classification of the works belonging to the
plant.
- Reservoir corresponds to
Section 1.5.1.2, Table 1.5, Annex 1 and is classified as class III.
- Dam: not listed in the Table
1.5, Annex 1, hence, according to Point a, Clause 1, Article 2 hereof, the
classification shall be based on structure. According to Table 2, Annex 2, this
work corresponds to Section 2.8.2.a and is classified as class II.
- Classification of industrial
works within the plant shall be based on Clause 2, Article 2 hereof if such
works are listed in (or with types found appropriate to) Table 1.2, Annex 1.
Otherwise, the works shall be classified according to structure (refer to Table
2, Annex 2 hereof).
- Such works as intake gate,
pressure tunnel, spillway…: not listed in the classification tables in Annex 1,
hence, according to Point a, Clause 1, Article 2 hereof, the classification is
based on structures;
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- Classification of civil
works such as Control house, tenement house and other works, see Example 1 and
Example 2.
- Classification of internal
roads, see Example 1.
3.6. Example 6: Industrial works – Mechanical
engineering plant C
The project on investment and construction the
mechanical engineering plant with the aim of manufacturing small mechanical products
as ordered by other enterprises. Products from this plant normally vary and
depend on customers’ orders, hence, it is impossible to determine type and
quantity of products at the time of feasibility study. The project includes
following works:
- Warehouse: One floor,
largest structural span 24m, total floor area 6,000 m2, total height
from outdoor ground level to its top 12 m;
- Main production house
(equipment and production lines: lathes, presses, welders...): industrial
house-shaped, one floor, 3 spans, largest span 60 m, total floor area 10,000 m2,
height 18 m (from outdoor ground level to the top)
- Office building (offices,
canteen, rest areas for workers…)
- Yards (concrete yards used
for placement of materials, machinery): 1 ha;
Other works such as security house, fence and
transformers…
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a) The project has one major work (main production
house). In this case, to determine authority of construction authorities as
prescribed in Clause 1, Article 3 hereof, class of the major work (class II)
shall be used.
b) Classification of works belonging to the
mechanical engineering plant C:
- Warehouse: not listed in the
classification tables, Annex 1, hence, according to Point a, Clause 1, Article
2 hereof, the classification shall be based on structure. According to Table 2,
Annex 2, this work corresponds to Section 2.1.1 and is classified as class III
(height-based), class IV (based on number of floors), class III (area-based)
and class III (structural span-based). Warehouse is classified as class III
(highest class determined)
- Main production house: not
listed in the Table 1.2, Annex 1, hence, according to Point a, Clause 1,
Article 2 hereof, the classification shall be based on structure. According to
Table 2, Annex 2, this work corresponds to Section 2.1.1 and is classified as
class III (height-based), class IV (based on number of floors), class II
(area-based) and class II (structural span-based). The main production house is
classified as class II (highest class determined).
- Classification of office
building, yards, security house, fence, transformers, see examples from 1 – 4.
3.7. Example 7: Technical infrastructural works
– Television tower HN
The project on construction of the 600 m- high TV
tower. The project includes following works:
- Main tower: 600 m high;
- P1 (Outdoor parking lot): 1
ha;
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- P3 (Lighting system): for
green tree garden, walkways.
The classification is instructed as follows:
a) The project has one major work: Main tower. In
this case, to determine authority of construction authorities as prescribed in
Clause 1, Article 3 hereof, class of the major work (special class) shall be
used.
b) Classification of the works belonging to the TV
tower HN:
- Main tower: not listed in
the Table 1.3, Annex 1, hence, according to Point a, Clause 1, Article 2
hereof, the classification shall be based on structure. According to Table 2,
Annex 2, this work corresponds to Section 2.2.2 and is classified as special class
(height-based).
- P1 is classified as class IV
(see Example 1)
- P2 is classified as class
III (see Example 1)
- P3 is classified as class
III (see Example 1)
3.8. Example 8: Technical infrastructural works
– Water Plant A
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- A1 (Pipeline of raw water
from its source): Inner diameter 1,000 mm and length 5 km;
- A2 (Water containing and
treating reservoir): volume 12,000 m, placed half-underground (underground
depth 5 m, height 3 m from ground level);
- A3 (Provisional clean water
reservoir): volume 3,000 m, placed half-underground (underground depth 5 m,
height 3 m from ground level);
- A4 (Clean water pump
station): capacity 70,000 m3/day and night placed in a one-floor,
8-meter height house, total floor area 1,000 m2;
- A5 (Main water pipeline):
inner diameter 800 mm, length 10 km;
- A6 (branch water pipeline):
inner diameter 600 mm, length 15 km;
- A7 (Water distribution
pipeline): diameter 125 mm;
Other works;
The classification is instructed as follows:
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b) Classification of the works belonging to the
water plant A:
- A1: not listed in the Table
1.3, Annex 1, hence, according to Point a, Clause 1, Article 2 hereof, the
classification shall be based on structure. According to Table 2, Annex 2, this
work corresponds to Section 2.10.1 and is classified as class I.
- A2: not listed in the Table
1.3, Annex 1, hence, according to Point a, Clause 1, Article 2 hereof, the
classification shall be based on structure. According to Table 2, Annex 2, this
work corresponds to Section 2.4 and is classified as class I (volume-based),
class III (underground depth-based) and class IV (height-based). A2 is
classified as class II (maximum class determined);
- A3: Classification is the
same as A2 (class III).
- A4: this work has separate
capacity and is classified according to Clause 2, Article 2 hereof as follows:
+ Capacity-based classification corresponding to
Section 1.3.1.2, Table 1.3, Annex 1 (class IV);
+ Structure-based classification corresponding to
Section 2.1.1, Table 2, Annex 2; class IV (based on the number of floors),
class III (height-based) and class III (based on total floor area). Highest
class (structured-based): Class II;
Hence, A4 is classified as class I (highest class
determined on the basis of capacity and structure);
- A5: Classification is the
same as A1 (class I).
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- A7: Classification is the
same as A1 (class IV).
3.9. Example 9. Technical infrastructural works
– Auto parking house/lot
a) Parking house A (Underground):
The work includes three underground floors at a
depth of 18 m (from ground level down to floor of third basement), total floor
area 5,000 m2, number of parking spaces: 400 automobiles. The classification is instructed as follows:
- + Capacity-based
classification corresponding to Section 1.3.9.1, Table 1.3, Annex 1;
classification according to the number of parking spaces (class II);
- + Structure-based
classification corresponding to Section 2.1.1, Table 2, Annex 2; class II (based
on number of underground floors), class II (underground depth-based) and class
III (based on total floor area). Highest class (structure-based): Class II;
According to Clause 2, Article 2 hereof, the
parking house A is classified as class II (highest class determined on the
basis of capacity and structure).
b)Parking house B (half-underground)
Half-underground parking house (2 basement floors
and 3 floors on the ground) with total floor area 12,000 m2
(underground area: 4,500 m2, on-the-ground area: 7,500 m2),
number of parking spaces 400 (150 spaces underground and 250 on the ground).
The specification is instructed as follows::
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- Structure-based
classification corresponding to Section 2.1.1, Table 2, Annex 2 (class II);
According to Clause 2, Article 2 hereof, the
parking house B is classified as class II (highest class determined on the
basis of capacity and structure).
c) Parking lot C
The parking lot C: ferro-concrete ground of 10,000
m2 and not covered. Classification corresponding to Section 1.3.9.3,
Table 1.3, Annex 1; area-based classification: class IV.
3.10. Example 10. Traffic works – High-speed
auto route A
The project “High-speed auto route A”, 200 km long,
design speed 120 km/h. This project includes following works:
- A1 (High-speed auto road):
design speed 120 km/h;
- A2 (Road bridge): 4 spans,
largest span 40 m, pier height 20 m;
- A3 (Road tunnel): tunnel
running through mountains with ferro-concrete shell, 300 m long, cross-section
area of the tunnel 200 m2;
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And other small structures such as sign posts, sign
frames, welfare tunnels, road railings.
The classification is instructed as follows:
a) The project has several major works (A1, A2 and
A3). In this case, to determine authority of construction authorities as
prescribed in Clause 1, Article 3 hereof, highest class of the work (special
class) shall be used.
b) Classification of the works belonging to
"High-speed auto route A".
- A1 corresponds to Section
1.4.1.1, Table 1.4, Annex 1 and is classified as special class according to
design speed.
- A2: not listed in the Table
1.4, Annex 1, hence, according to Point a, Clause 1, Article 2 hereof, the classification
shall be based on structure. According to Table 2, Annex 2, this work
corresponds to Section 2.5.1 and is classified as class II.
- A3: not listed in the Table
1.4, Annex 1, hence, according to Point a, Clause 1, Article 2 hereof, the
classification shall be based on structure. According to Table 2, Annex 2, this
work corresponds to Section 2.6, Table 2, Annex 2 and is classified as class I.
- A4: not listed in the Table
1.4, Annex 1, hence, according to Point a, Clause 1, Article 2 hereof, the
classification shall be based on structure. According to Table 2, Annex 2, this
work corresponds to Section 2.1.3, Table 2, Annex 2 and is classified as class
III.
- Other small structures (sign
posts, sign frames, welfare tunnels, road railings…) shall be classified on the
basis of structure (use Table 2, Annex) if such structures are not listed in
(or their types are not appropriate to) the Table 1.4.
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“Lighthouse M” is constructed on an island, 50
meters high over outdoor ground level. Effective range (8 nautical miles) The
specification is instructed as follows:
- Capacity-based
classification corresponding to Section 1.4.6.4.b, Table 1.4, Annex 1: class I;
- Structure-based
classification corresponding to Section 2.2.1, Table 2, Annex 2; height-based
classification:class II;
According to Clause 2, Article 2 hereof, the
lighthouse M is classified as class I (highest class determined on the basis of
capacity and structure).
3.12. Example 12 – Agricultural works – Farm A.
“Farm A” with an area of 30 ha includes following
works:
- A1: Water supply system for
watering an area of 25 ha;
- A2: Drainage system for an
area of 29.5 ha;
- A3 (cultivar greenhouse):
One floor, 12 m high, largest span 30 m, total area 4,000 m2;;
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The classification is instructed as follows:
a) The project has several major works (A1, A2 and
A3). In this case, to determine authority of construction authorities as
prescribed in Clause 1, Article 3 hereof, highest class of the work (class III)
shall be used.
b) Classification of the works belonging to Farm ;
- A1 corresponds to Section
1.5.1.1, Table 1.5, Annex 1 and classified as class IV (according to irrigation
area).
- A2 corresponds to Section
1.5.1.1, Table 1.5, Annex 1 and classified as class IV (according to drainage
area).
- A3: not listed in the Table
1.5, Annex 1, hence, according to Point a, Clause 1, Article 2 hereof, the
classification shall be based on structure. According to Table 2, Annex 2, this
work corresponds to Section 2.1.1 and is classified as class III.
- For classification of other
works, see the examples in this Annex./.
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