Thông tư 07/2019/TT-BXD sửa đổi Thông tư 03/2016/TT-BXD quy định về phân cấp công trình xây dựng và hướng dẫn áp dụng trong quản lý hoạt động đầu tư xây dựng do Bộ trưởng Bộ Xây dựng ban hành

MINISTRY OF CONSTRUCTION
-------

SOCIALIST REPUBLIC OF VIETNAM
Independence - Freedom - Happiness
---------------

No. 07/2019/TT-BXD

Hanoi, November 7, 2019

PP. MINISTER
DEPUTY MINISTER




Le Quang Hung

No.

Types of construction works

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

1.1.1

Education construction works

Education construction works

Education construction works

Education construction works

Education construction works

Education construction works

Education construction works

1.1.1.1. Kindergartens and preschools

Significance

Grade III, irrespective of the project size

Grade III, irrespective of the project size

Grade III, irrespective of the project size

Grade III, irrespective of the project size

Grade III, irrespective of the project size

No.

Types of construction works

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

1.1.7

Office buildings of state authorities, political organizations or sociopolitical organizations

Significance

National Assembly House, Presidential Palace, Government’s OFFICE BUILDING, Party Central Committee’s Office Building, and other works of special importance

Office buildings of Provincial Party Committees; Provincial People's Councils, People's Committees; Ministries, General Departments and equivalents; Supreme, Superior or Provincial People's Courts, Supreme People's Procuracies

Office buildings of District Party Committees; District People's Councils, People's Committees; Administrations, Departments and equivalents; District People's Courts, Supreme People's Procuracies

Office buildings of Communal Party Committees, People’s Councils, People’s Committees and equivalents

No.

Types of construction works

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

1.2.1

Manufacturing of construction materials

Manufacturing of construction materials

Manufacturing of construction materials

Manufacturing of construction materials

Manufacturing of construction materials

Manufacturing of construction materials

Manufacturing of construction materials

1.2.1.1. Mines or quarries for extraction of construction materials (e.g. sand, rock, clay and other construction materials)

1.2.1.1. Mines or quarries for extraction of construction materials (e.g. sand, rock, clay and other construction materials)

1.2.1.1. Mines or quarries for extraction of construction materials (e.g. sand, rock, clay and other construction materials)

1.2.1.1. Mines or quarries for extraction of construction materials (e.g. sand, rock, clay and other construction materials)

1.2.1.1. Mines or quarries for extraction of construction materials (e.g. sand, rock, clay and other construction materials)

1.2.1.1. Mines or quarries for extraction of construction materials (e.g. sand, rock, clay and other construction materials)

1.2.1.1. Mines or quarries for extraction of construction materials (e.g. sand, rock, clay and other construction materials)

a) With explosive materials used

Significance

Grade II, irrespective of the project size

Grade II, irrespective of the project size

Grade II, irrespective of the project size

Grade II, irrespective of the project size

Grade II, irrespective of the project size

b) Without explosive materials used

Total production output (million m3 each year)

≥ 1

< 1

No.

Types of construction works

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

1.2.2

Metallurgy and mechanical engineering

Metallurgy and mechanical engineering

Metallurgy and mechanical engineering

Metallurgy and mechanical engineering

Metallurgy and mechanical engineering

Metallurgy and mechanical engineering

Metallurgy and mechanical engineering

1.2.2.2. Iron and steel complexes

Volume of blast furnace (thousand m3)

> 1

≤ 1

No.

Types of construction works

Classification criteria

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

1.2.5

Energy

Energy

Energy

Energy

Energy

Energy

Energy

Energy

1.2.5.3. Hydropower construction works

a) Total installed capacity (MW)

a) Total installed capacity (MW)

> 1,000

> 50 ÷ 1,000

> 30 ÷ 50

≤ 30

-

b) Retention capacity of reservoir corresponding to the normal rise of water level (million m3)

b) Retention capacity of reservoir corresponding to the normal rise of water level (million m3)

> 1,000

> 200 ÷ 1,000

> 20 ÷ 200

≥ 3 ÷ 20

< 3

c) Overflow dams

c) Overflow dams

Earth, or earth – rock dams having the maximum height (m)

A

> 100

> 70 ÷ 100

> 25 ÷ 70

> 10 ÷ 25

≤ 10

B

-

> 35 ÷ 75

> 15 ÷ 35

> 8 ÷ 15

≤ 8

C

-

-

> 15 ÷ 25

> 5 ÷ 15

≤ 5

Concrete, reinforced concrete dams having the maximum height (m)

A

> 100

> 60 ÷ 100

> 25 ÷ 60

> 10 ÷ 25

≤ 10

B

-

> 25 ÷ 50

> 10 ÷ 25

> 5 ÷ 10

≤ 5

C

-

-

> 10 ÷ 20

> 5 ÷ 10

≤ 5

1.2.5.4. Wind power construction works

Total capacity (MW)

Total capacity (MW)

≥ 50

> 15 ÷ < 50

> 3 ÷ 15

≤ 3

1.2.5.5. Solar power construction works

Total capacity (MW)

Total capacity (MW)

≥ 50

> 15 ÷ < 50

> 3 ÷ 15

≤ 3

Remarks:

1. A hydropower project gets the top grade of one of the criteria for the classification of Plants, Reservoirs and Overflow Dams (where A, B, C denotes typical geological groups of foundations, including: Group A refers to rock foundation; Group B refers to foundations formed of sandy soil, clumped soil, stiff or medium-stiff clay; Group C refers to foundations made of saturate soft clay).

2. Construction works in the "Hydraulic Energy System", such as water intake, transmission route (channels, conduits, tunnels), surge tanks or valve houses, penstocks, discharge channels or tunnels, etc. are graded according to grades of hydropower plants prescribed in point a of Sub-section 1.2.5.3 in the aforesaid Table.

3. Construction works belonging to the "Complex”, including dams, overflow spillways, bottom outlets, emergency spillways and other water intakes, etc. are graded according to the grades of overflow dams prescribed in point c of Sub-section 1.2.5.3 in the above-stated Table.

4. Other relevant projects, including control rooms, security walls, traffic roads, etc., in hydropower construction projects are graded according to the grades specified in the instructions given in the Circular No. 03/2016/TT-BXD.  

Remarks:

1. A hydropower project gets the top grade of one of the criteria for the classification of Plants, Reservoirs and Overflow Dams (where A, B, C denotes typical geological groups of foundations, including: Group A refers to rock foundation; Group B refers to foundations formed of sandy soil, clumped soil, stiff or medium-stiff clay; Group C refers to foundations made of saturate soft clay).

2. Construction works in the "Hydraulic Energy System", such as water intake, transmission route (channels, conduits, tunnels), surge tanks or valve houses, penstocks, discharge channels or tunnels, etc. are graded according to grades of hydropower plants prescribed in point a of Sub-section 1.2.5.3 in the aforesaid Table.

3. Construction works belonging to the "Complex”, including dams, overflow spillways, bottom outlets, emergency spillways and other water intakes, etc. are graded according to the grades of overflow dams prescribed in point c of Sub-section 1.2.5.3 in the above-stated Table.

4. Other relevant projects, including control rooms, security walls, traffic roads, etc., in hydropower construction projects are graded according to the grades specified in the instructions given in the Circular No. 03/2016/TT-BXD.  

Remarks:

1. A hydropower project gets the top grade of one of the criteria for the classification of Plants, Reservoirs and Overflow Dams (where A, B, C denotes typical geological groups of foundations, including: Group A refers to rock foundation; Group B refers to foundations formed of sandy soil, clumped soil, stiff or medium-stiff clay; Group C refers to foundations made of saturate soft clay).

2. Construction works in the "Hydraulic Energy System", such as water intake, transmission route (channels, conduits, tunnels), surge tanks or valve houses, penstocks, discharge channels or tunnels, etc. are graded according to grades of hydropower plants prescribed in point a of Sub-section 1.2.5.3 in the aforesaid Table.

3. Construction works belonging to the "Complex”, including dams, overflow spillways, bottom outlets, emergency spillways and other water intakes, etc. are graded according to the grades of overflow dams prescribed in point c of Sub-section 1.2.5.3 in the above-stated Table.

4. Other relevant projects, including control rooms, security walls, traffic roads, etc., in hydropower construction projects are graded according to the grades specified in the instructions given in the Circular No. 03/2016/TT-BXD.  

Remarks:

1. A hydropower project gets the top grade of one of the criteria for the classification of Plants, Reservoirs and Overflow Dams (where A, B, C denotes typical geological groups of foundations, including: Group A refers to rock foundation; Group B refers to foundations formed of sandy soil, clumped soil, stiff or medium-stiff clay; Group C refers to foundations made of saturate soft clay).

2. Construction works in the "Hydraulic Energy System", such as water intake, transmission route (channels, conduits, tunnels), surge tanks or valve houses, penstocks, discharge channels or tunnels, etc. are graded according to grades of hydropower plants prescribed in point a of Sub-section 1.2.5.3 in the aforesaid Table.

3. Construction works belonging to the "Complex”, including dams, overflow spillways, bottom outlets, emergency spillways and other water intakes, etc. are graded according to the grades of overflow dams prescribed in point c of Sub-section 1.2.5.3 in the above-stated Table.

4. Other relevant projects, including control rooms, security walls, traffic roads, etc., in hydropower construction projects are graded according to the grades specified in the instructions given in the Circular No. 03/2016/TT-BXD.  

Remarks:

1. A hydropower project gets the top grade of one of the criteria for the classification of Plants, Reservoirs and Overflow Dams (where A, B, C denotes typical geological groups of foundations, including: Group A refers to rock foundation; Group B refers to foundations formed of sandy soil, clumped soil, stiff or medium-stiff clay; Group C refers to foundations made of saturate soft clay).

2. Construction works in the "Hydraulic Energy System", such as water intake, transmission route (channels, conduits, tunnels), surge tanks or valve houses, penstocks, discharge channels or tunnels, etc. are graded according to grades of hydropower plants prescribed in point a of Sub-section 1.2.5.3 in the aforesaid Table.

3. Construction works belonging to the "Complex”, including dams, overflow spillways, bottom outlets, emergency spillways and other water intakes, etc. are graded according to the grades of overflow dams prescribed in point c of Sub-section 1.2.5.3 in the above-stated Table.

4. Other relevant projects, including control rooms, security walls, traffic roads, etc., in hydropower construction projects are graded according to the grades specified in the instructions given in the Circular No. 03/2016/TT-BXD.  

Remarks:

1. A hydropower project gets the top grade of one of the criteria for the classification of Plants, Reservoirs and Overflow Dams (where A, B, C denotes typical geological groups of foundations, including: Group A refers to rock foundation; Group B refers to foundations formed of sandy soil, clumped soil, stiff or medium-stiff clay; Group C refers to foundations made of saturate soft clay).

2. Construction works in the "Hydraulic Energy System", such as water intake, transmission route (channels, conduits, tunnels), surge tanks or valve houses, penstocks, discharge channels or tunnels, etc. are graded according to grades of hydropower plants prescribed in point a of Sub-section 1.2.5.3 in the aforesaid Table.

3. Construction works belonging to the "Complex”, including dams, overflow spillways, bottom outlets, emergency spillways and other water intakes, etc. are graded according to the grades of overflow dams prescribed in point c of Sub-section 1.2.5.3 in the above-stated Table.

4. Other relevant projects, including control rooms, security walls, traffic roads, etc., in hydropower construction projects are graded according to the grades specified in the instructions given in the Circular No. 03/2016/TT-BXD.  

Remarks:

1. A hydropower project gets the top grade of one of the criteria for the classification of Plants, Reservoirs and Overflow Dams (where A, B, C denotes typical geological groups of foundations, including: Group A refers to rock foundation; Group B refers to foundations formed of sandy soil, clumped soil, stiff or medium-stiff clay; Group C refers to foundations made of saturate soft clay).

2. Construction works in the "Hydraulic Energy System", such as water intake, transmission route (channels, conduits, tunnels), surge tanks or valve houses, penstocks, discharge channels or tunnels, etc. are graded according to grades of hydropower plants prescribed in point a of Sub-section 1.2.5.3 in the aforesaid Table.

3. Construction works belonging to the "Complex”, including dams, overflow spillways, bottom outlets, emergency spillways and other water intakes, etc. are graded according to the grades of overflow dams prescribed in point c of Sub-section 1.2.5.3 in the above-stated Table.

4. Other relevant projects, including control rooms, security walls, traffic roads, etc., in hydropower construction projects are graded according to the grades specified in the instructions given in the Circular No. 03/2016/TT-BXD.  

Remarks:

1. A hydropower project gets the top grade of one of the criteria for the classification of Plants, Reservoirs and Overflow Dams (where A, B, C denotes typical geological groups of foundations, including: Group A refers to rock foundation; Group B refers to foundations formed of sandy soil, clumped soil, stiff or medium-stiff clay; Group C refers to foundations made of saturate soft clay).

2. Construction works in the "Hydraulic Energy System", such as water intake, transmission route (channels, conduits, tunnels), surge tanks or valve houses, penstocks, discharge channels or tunnels, etc. are graded according to grades of hydropower plants prescribed in point a of Sub-section 1.2.5.3 in the aforesaid Table.

3. Construction works belonging to the "Complex”, including dams, overflow spillways, bottom outlets, emergency spillways and other water intakes, etc. are graded according to the grades of overflow dams prescribed in point c of Sub-section 1.2.5.3 in the above-stated Table.

4. Other relevant projects, including control rooms, security walls, traffic roads, etc., in hydropower construction projects are graded according to the grades specified in the instructions given in the Circular No. 03/2016/TT-BXD.  

Remarks:

1. A hydropower project gets the top grade of one of the criteria for the classification of Plants, Reservoirs and Overflow Dams (where A, B, C denotes typical geological groups of foundations, including: Group A refers to rock foundation; Group B refers to foundations formed of sandy soil, clumped soil, stiff or medium-stiff clay; Group C refers to foundations made of saturate soft clay).

2. Construction works in the "Hydraulic Energy System", such as water intake, transmission route (channels, conduits, tunnels), surge tanks or valve houses, penstocks, discharge channels or tunnels, etc. are graded according to grades of hydropower plants prescribed in point a of Sub-section 1.2.5.3 in the aforesaid Table.

3. Construction works belonging to the "Complex”, including dams, overflow spillways, bottom outlets, emergency spillways and other water intakes, etc. are graded according to the grades of overflow dams prescribed in point c of Sub-section 1.2.5.3 in the above-stated Table.

4. Other relevant projects, including control rooms, security walls, traffic roads, etc., in hydropower construction projects are graded according to the grades specified in the instructions given in the Circular No. 03/2016/TT-BXD.  

No.

Types of construction works

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

1.2.6

Chemicals

Chemicals

Chemicals

Chemicals

Chemicals

Chemicals

Chemicals

1.2.6.1. Construction works for manufacturing of plant protection chemicals and fertilizers

1.2.6.1. Construction works for manufacturing of plant protection chemicals and fertilizers

1.2.6.1. Construction works for manufacturing of plant protection chemicals and fertilizers

1.2.6.1. Construction works for manufacturing of plant protection chemicals and fertilizers

1.2.6.1. Construction works for manufacturing of plant protection chemicals and fertilizers

1.2.6.1. Construction works for manufacturing of plant protection chemicals and fertilizers

1.2.6.1. Construction works for manufacturing of plant protection chemicals and fertilizers

d) Chemical fertilizer plants

Total output (thousand tonnes/year)

≥ 10

< 10

1.2.6.2. Construction works for manufacturing of basic chemical products, petrochemicals, pharmaceutical chemistry, cosmetics and other chemicals

1.2.6.2. Construction works for manufacturing of basic chemical products, petrochemicals, pharmaceutical chemistry, cosmetics and other chemicals

1.2.6.2. Construction works for manufacturing of basic chemical products, petrochemicals, pharmaceutical chemistry, cosmetics and other chemicals

1.2.6.2. Construction works for manufacturing of basic chemical products, petrochemicals, pharmaceutical chemistry, cosmetics and other chemicals

1.2.6.2. Construction works for manufacturing of basic chemical products, petrochemicals, pharmaceutical chemistry, cosmetics and other chemicals

1.2.6.2. Construction works for manufacturing of basic chemical products, petrochemicals, pharmaceutical chemistry, cosmetics and other chemicals

1.2.6.2. Construction works for manufacturing of basic chemical products, petrochemicals, pharmaceutical chemistry, cosmetics and other chemicals

dd) Plants, storage facilities, filling stations for petrochemical products (PP, PE, PVC, PS ABS, PET, SV, fiber, DOP, SM, VCM, Polystyrene, PTA, MEG, BTX, synthetic rubber ... )

Total output (thousand tonnes/year)

≥ 10

< 10

i) Plants, warehouses, filling stations for basic chemicals (acid, alkali, chlorine, etc.)

Total output (thousand tonnes/year)

≥ 10

< 10

k) Paint and ink factories

Total output (thousand tonnes/year)

> 100

> 20 ÷ 100

10 ÷ 20

< 10

l) Cleaning chemical factories

Total output (thousand tonnes/year)

≥ 10

< 10

1.2.6.3. Construction works for manufacturing of chemical power source products

1.2.6.3. Construction works for manufacturing of chemical power source products

1.2.6.3. Construction works for manufacturing of chemical power source products

1.2.6.3. Construction works for manufacturing of chemical power source products

1.2.6.3. Construction works for manufacturing of chemical power source products

1.2.6.3. Construction works for manufacturing of chemical power source products

1.2.6.3. Construction works for manufacturing of chemical power source products

a) Chemical battery factories

Total output (million units/year)

> 250

150 ÷ 250

< 150

1.2.6.4. Industrial gas factories, warehouses, filling stations

Total output (thousand m3 of gas/h)

> 15

8,5 ÷ 15

< 8,5

No.

Types of construction works

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

1.3.10

Telecommunication cable lines

Significance

Inter-country

Interprovince

Intraprovince

No.

Types of construction works

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

1.4.1

Roads

Roads

Roads

Roads

Roads

Roads

Roads

1.4.1.1. Expressways

Design speed (km/h)

> 100

100

80, 60

1.4.1.2. Highways

Traffic flow (converted thousand of vehicles/day-night

> 30

10 ÷ 30

3 ÷ < 10

0.3 ÷ < 3

< 0.3

Or

Or

Or

Or

Or

Or

Design speed (km/h)

> 100

100

80

60

40

1.4.1.3. Urban roads

1.4.1.3. Urban roads

1.4.1.3. Urban roads

1.4.1.3. Urban roads

1.4.1.3. Urban roads

1.4.1.3. Urban roads

1.4.1.3. Urban roads

a) Urban expressways; thoroughfares; main urban roads

Design speed (km/h)

≥ 80

60

b) Inter-regional roads

Design speed (km/h)

80

60

c) Main regional roads; regional roads

Design speed (km/h)

60

50

40

No.

Types of construction works

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

1.4.6

Maritime transportation

Maritime transportation

Maritime transportation

Maritime transportation

Maritime transportation

Maritime transportation

Maritime transportation

1.4.6.1 Seaports; areas for anchorage, transshipment and storm sheltering

1.4.6.1 Seaports; areas for anchorage, transshipment and storm sheltering

1.4.6.1 Seaports; areas for anchorage, transshipment and storm sheltering

1.4.6.1 Seaports; areas for anchorage, transshipment and storm sheltering

1.4.6.1 Seaports; areas for anchorage, transshipment and storm sheltering

1.4.6.1 Seaports; areas for anchorage, transshipment and storm sheltering

1.4.6.1 Seaports; areas for anchorage, transshipment and storm sheltering

a) Cargo seaports

Deadweight tonnage (thousand DWT)

> 70

30 ÷ 70

10 ÷ < 30

5 ÷ < 10

< 5

b) Passenger seaports

Gross tonnage (thousand GT)

> 150

100 ÷ 150

50 ÷ < 100

30 ÷ < 50

< 30

c) Transshipment, anchorage and storm sheltering areas

Deadweight tonnage (thousand DWT)

> 70

30 ÷ 70

10 ÷ < 30

5 ÷ < 10

< 5

1.4.6.5 Seawater training works, breakwaters, groins, diversion dams, shore protection embankments;

Maximum height of each project or gauge height H (m)

H > 16

12 < H ≤ 16

8 < H ≤ 12

5 ≤ H ≤ 8

< 5

1.4.6.6 Vessel traffic service systems

Number of radar stations per each navigational channel (station)

≥ 4

3

2

1

1.4.6.7 Other maritime construction works

1.4.6.7 Other maritime construction works

1.4.6.7 Other maritime construction works

1.4.6.7 Other maritime construction works

1.4.6.7 Other maritime construction works

1.4.6.7 Other maritime construction works

1.4.6.7 Other maritime construction works

a) Maritime signaling buoys

Diameter D (m)

D > 5

3.5 < D ≤ 5

2.5<D≤3.5

2.0<D≤2.5

D≤2.0

b) Shipbuilding, ship and other watercraft repairing facilities

Deadweight tonnage (thousand DWT)

>70

30÷70

10÷<30

5÷10

<5

No.

Types

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

2.1

2.1.1 Houses, home-type structures

Grade-III or higher grade residential villas

2.1.2 Multi-storey buildings (excluding structures specified in 2.2).

b) Number of stories of a building (or a construction project)

>50

25÷50

8÷24

2÷7

1

c) Total floor area (thousand m2)

>30

>10÷30

1÷10

<1

No.

Types

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

2.7

Security walls or embankments

As for any security wall or embankment ≤ 500 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Security walls or embankments

As for any security wall or embankment ≤ 500 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Security walls or embankments

As for any security wall or embankment ≤ 500 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Security walls or embankments

As for any security wall or embankment ≤ 500 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Security walls or embankments

As for any security wall or embankment ≤ 500 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Security walls or embankments

As for any security wall or embankment ≤ 500 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Security walls or embankments

As for any security wall or embankment ≤ 500 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

2.7.1 Security walls (earth, rock, onshore walls, except structures specified in 2.9)

With respect to security walls used in training works belonging to Section 2.11 and 2.12, criteria for structures in this section must be taken into consideration.

2.7.1 Security walls (earth, rock, onshore walls, except structures specified in 2.9)

With respect to security walls used in training works belonging to Section 2.11 and 2.12, criteria for structures in this section must be taken into consideration.

2.7.1 Security walls (earth, rock, onshore walls, except structures specified in 2.9)

With respect to security walls used in training works belonging to Section 2.11 and 2.12, criteria for structures in this section must be taken into consideration.

2.7.1 Security walls (earth, rock, onshore walls, except structures specified in 2.9)

With respect to security walls used in training works belonging to Section 2.11 and 2.12, criteria for structures in this section must be taken into consideration.

2.7.1 Security walls (earth, rock, onshore walls, except structures specified in 2.9)

With respect to security walls used in training works belonging to Section 2.11 and 2.12, criteria for structures in this section must be taken into consideration.

2.7.1 Security walls (earth, rock, onshore walls, except structures specified in 2.9)

With respect to security walls used in training works belonging to Section 2.11 and 2.12, criteria for structures in this section must be taken into consideration.

2.7.1 Security walls (earth, rock, onshore walls, except structures specified in 2.9)

With respect to security walls used in training works belonging to Section 2.11 and 2.12, criteria for structures in this section must be taken into consideration.

a) Rocky beds

Wall height (m)

>25÷40

>15÷25

>8÷15

≤8

b) Beds formed of sandy soil, clumped soil, stiff or medium-stiff clay

>12÷20

>5÷12

≤5

c) Beds formed of soft saturated clay

>10÷15

>4÷10

≤4

2.7.2 Embankments (Shore protection embankments used for hydraulic construction works or river training works; exclusive of structures prescribed in 2.9 and 2.11.2)

Project height or gauge height (m)

>8

>5÷8

>3÷5

≤3

No.

Types

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

2.10

Tubing/ducting

As for any tubing/ducting ≤ 1000 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Tubing/ducting

As for any tubing/ducting ≤ 1000 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Tubing/ducting

As for any tubing/ducting ≤ 1000 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Tubing/ducting

As for any tubing/ducting ≤ 1000 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Tubing/ducting

As for any tubing/ducting ≤ 1000 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Tubing/ducting

As for any tubing/ducting ≤ 1000 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

Tubing/ducting

As for any tubing/ducting ≤ 1000 m in length in total, after determination of its grade according to this Table, its grade must be moved down by a grade.  

2.10.5. Oil and gas pipelines

a) Inner diameter (mm)

≥ 300

< 300

No.

Types

Classification criteria

Project grades

Project grades

Project grades

Project grades

Project grades

Special

I

II

III

IV

2.14

Other small-scale structures

Other small-scale structures

Other small-scale structures

Other small-scale structures

Other small-scale structures

Other small-scale structures

Other small-scale structures

2.14.3. Construction works for risky games impacting community safety (e.g. roller coasters, towers, steel pillars, water slides, steel support for game equipment, etc.)

Gross height, including the height of the main structure and peripheral technological accessories (m)

>15

≤15