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What are Building Classes? Building Groups How to Calculate Unit Cost?

What are Building Classes? Building Groups How to Calculate Unit Cost?

What are Building Classes? Building Groups How to Calculate Unit Cost?

What are Building Classes? Building Groups How to Calculate Unit Cost? The unit costs and categories of building classes are announced regularly by the Ministry of Environment and Urbanization every year. It is important to know this classification in official transactions and comparisons. In our article, we will try to explain these classification conditions and the unit costs determined by the public works.

1st Class Building Classes

Quality comes to mind immediately when it comes to first class building. However, the term 1st class used in the classification of structures indicates that the structure is simple or beginner level. It is divided into two groups as A group and B group.

Group A Structures

Simple sheds, auxiliary structures built for use besides the main use, masonry or reinforced concrete garden walls up to 3 meters high, makeshift poultry houses, greenhouses made with nylon cover, gazebos, canopy, transition connections between two structures constitute 1A group structures. The unit cost per square meter of the 1A building group has been determined by the public works office as 210 ₺ by 2021.

Group B Buildings

Greenhouses covered with glass cover, warehouses of workplaces, stacked or reinforced concrete water tanks, small or bovine animal shelters, simply made paddocks constitute the 1B group structures.
In group 1A, there is a greenhouse and makeshift poultry made with nylon cover, while group 1B consists of a glass-covered greenhouse and simple small and bovine animal shelter. Group B includes more specific and economically more priority structures. The unit cost per square meter of the 1B building group was determined by the public works as 310 ₺ by 2021.

Class 2 Building Classes

Class 2 buildings include more specific and costly structures compared to the 1st class. It is divided into three parts as A, B and C groups.

Group A Structures

Anchored curtain and retaining walls, water towers built to gain height, towers built for different purposes and boathouses are included in the 2A group structures. While the water tank in group 1B is on the surface, the water tank here is built with a foot. The unit cost per m2 of the 2A building group was determined by the public works as 510 ₺ by 2021.

Group B Buildings

Children’s playgrounds and small parks are in this class. Single-storey offices, simple workshops, repair shops and shops, slaughterhouses, agricultural buildings (sapling growing, atelier, installation-weighted pen, warehouse), boat maintenance and repair areas, district areas are structures belonging to the 2B group. The unit cost per m2 of the 2B building group was determined by the public works as 750 ₺ by 2021.

Group C Structures

Single-storey, reinforced concrete and steel, prefabricated industrial buildings, aircraft maintenance and repair hangars and similar structures are classified as 2C group structures. The unit cost per m2 of the 2C building group was determined by the public works as 820 ₺ by 2021.

Class 3 Building Classes

In 3rd class building groups, the density of people inside the buildings begins to increase. It is divided into two parts as A and B groups.

Group A Structures

For the first time in the 3A group, residences have entered the classification. Up to three floors without elevators, district post offices, fuel sales stations, multi-storey garages, sports facilities of schools and neighborhoods, shopping centers, neighborhood markets, cold stores, printing houses, small industrial facilities, foundries, nurseries and nursing homes and similar structures 3A group falls into the class of structures. The unit cost per square meter of the 3A building group has been determined by the public works as 1100 ₺ by 2021.

Group B Buildings

Primary and secondary school buildings, law enforcement buildings, dispensaries, commercial buildings up to 21.50 m high, prisons up to 150 people, exhibition halls, residences up to 21.50 m high, integrated agricultural buildings, restaurants and dining halls, etc. . The 3B group belongs to the class of structures. The unit cost per square meter of the 3B building group was determined by the public works as 1450 ₺ by 2021.

4th Class Building Classes

Class 4 buildings are featured structures that require expertise. It is divided into three parts as A, B and C groups.

Group A Structures

Port buildings, prisons for more than 150 people, school buildings with additional facilities such as conference hall and sports hall, administrative structures such as tax office and district government mansion, thermal spring facilities, places of worship up to 1500 people, large shopping centers, height 30.50 m less than apartment buildings, 1-2 star hotels, colleges, etc. It forms the 4A building group. The unit cost per square meter of the 4A building group has been determined by the public works as 1550 ₺ by 2021.

Group B Buildings

Provincial administrative buildings, large sports facilities (swimming pool, stadium, sports hall), bus terminals, private or twin residences with special features (villas between 151 m2 and 600 m2), bank buildings, metro stations, etc. the structures are from the 4B group structures.
While there are district-type administrative buildings in the 4A group buildings, there are provincial-type administrative buildings in the 4B group. The unit cost per square meter of the 4B building group was determined by the public works as 1850 ₺ by 2021.

Group C Structures

Ministry buildings, 3-star hotels, large courthouses, business centers between 21.50 m and 30.50 m in height, residences between 30.50 m and 51.50 m in height, provincial government mansions, archive buildings are examples of the 3C group. The unit cost per square meter of the 4C building group was determined by the public works as 2000 ₺ by 2021.

5th Class Building Classes

The featured buildings with the highest unit cost belong to the 5th class building group. It is divided into four parts as A, B, C and D groups.

Group A Structures

Its height is 51.50 Mt. more than the dwellings, officers’ clubs, college campuses, 600 m2 of the largest private residences (governors mansions, embassies structures), television buildings, shopping complexes (in grocery stores, cinemas, restaurants, exhibition halls, cafes and so on. Located) 5 to form the group. The unit cost per square meter of the 5A building group was determined by the public works as 2400 ₺ by 2021.

Group B Buildings

Hospitals, places of worship for more than 1500 people, airports, 4-star hotels, Olympic sports facilities are 5B group structures. The unit cost per square meter of the 5B building group was determined by the public works as 2900 ₺ by 2021.

Group C Structures

5-star hotels and holiday villages, museum and library complexes make up the 5C group. The unit cost per square meter of the 5C building group was determined by the public works as 3250 ₺ by 2021.

Group D Structures

Buildings and concert halls, opera and theater buildings, which were restored or demolished while in the status of historical artifacts, are 5D group structures. The m2 unit cost of 5D building group was determined by the public works as 3800 ₺ by 2021.

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