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Underground structures

1. DEVELOPED by order of the Department for construction, architecture, housing and communal and road economy of administration of area of open company “Hope” (the license ITSELF is no 0050125012 from 22.02.96).

2. ENTERED the Department of architecture and urban planning Department for construction, architecture, housing and utilities and roads administration area.

3. approval by the State fire supervision of the Samara region No. 14/9-829 from 23.07.97;

The state sanitary and epidemiological supervision of the Samara region № 5/1004 from 21.07.97.

4. APPROVED the scientific and technical Council of the Department for construction, architecture, housing and utilities and roads administration area.

5. ADOPTED and promulgated by the Department of construction, architecture, housing and communal and road economy of administration of the region № 94 dated 5 September 1997.



1.1 These territorial building norms of the Samara region (further-rules) are applied to the design and construction of underground structures.

1.2 the Requirements set out in these rules, are objazatelnaja all organizations and companies of all forms of ownership engaged in the design and construction on the territory of the Samara region.

1.4 These rules do not apply to industrial facilities (underground gas storages, production facilities), road construction, engineering and utilities (transformer substations, water and sewage treatment plants, collectors, General purpose, etc.), warehouse, category a and B.


2.1 Underground structures of public service are an integral part of the system maintenance of the city’s population, increase its yield and profitability, ensure the concentration and cooperation of the institutions and their units, complement the existing overground network, increase the capacity of individual enterprises, improve the quality of service and convenience by bringing to the consumer.

2.2 Placement of underground facilities of public service for various purposes in the urban area shall be in accordance with urban planning documentation (General plans, projects of detailed planning, projects of building) subject to the requirements of SNiP 2.07.01-89* “urban planning. The planning and development of urban and rural settlements” and these regulations.

2.3 When developing town-planning documentation on a specific settlement or part of its territory:

2.3.1 Needs to be defined by the nomenclature of types of institutions, public service companies, their divisions and individual rooms, the placement of which is allowed in the underground space, including:

– enterprises associated service in underground pedestrian crossings and road junctions;

– service enterprise city, district and local significance in the basements of residential buildings;

– service enterprise in the basements of public and other purpose buildings and structures;

– underground service enterprise, placed on Greenfield areas;

– service enterprises on the second underground level;

– service enterprise that is placed in mines, etc.

2.3.2 Placement of underground structures is taken depending on the conditions of network development specific services: functional zoning of the territory of the settlement; structure of the transport network with regard to the categories of streets and roads – places of concentration of public functions; engineering-geological and environmental conditions; the nature of the existing building; equipment engineering services; regulatory radii of service.

2.4 In the cities with population over 100 thousand people, but also in the historical centres of cities estimated number of vehicles in the designed underground Parking garages for storage of vehicles shall be not less than 50 % of the total need determined in accordance with paragraph 6.33 SNiP 2.07.01-89*.

2.5 Number of Parking places, underground Parking garage, located directly below the residential building or adjacent territory intended for maintenance (temporary and permanent vehicle storage) of the building, should be taken 100 % for car occupants of this house, their number is determined by the level of car ownership, unless otherwise provided in the town planning documentation.

2.6 the Number of Parking spaces for an underground Parking garage located directly under public building (complex) for different purposes or under the adjoining territory intended for maintenance (temporary and permanent vehicle storage) of the building (complex) is determined in the feasibility study (FS) of construction of the facility taking into account the recommendations of Annex 9 SNiP 2.07.01-89*.


3.1 Types and kinds of underground structures.

3.1.1 Underground structures are divided by: Purpose:

– Parking-garages;

– warehouses for different purposes (categories B1 – B4 and E);

– consumer services (categories B1 – B4 and E);

– public catering and trade (except trade of flammable goods);

administrative offices, cultural, educational, entertainment and recreation facilities (except the steam room, saunas). Functional organization:

– single;

– multi-functional. Location:

– free standing;

– built-in;

– built-in and attached.

3.2 Space-planning scheme.

3.2.1 Space-planning scheme underground structures should be determined by architectural-planning assignment and provide a functional interface in the horizontal and vertical directions, as well as overhead space.

3.2.2 . Space-planning scheme underground structures, attached or built-in an elevated building, determined by taking into account the peculiarities of the building, which is attached or in which integrated underground structure.

3.2.3 Space-planning scheme of underground structures may be:

– single-level and multilevel;

– one-, two-span (the simplest kind) and multi-span.

3.2.4 the Height of the ceilings of underground structures from the floor to the bottom of the protruding structures and suspension equipment must be not less than:

– Parking-garages – 2 m ;

– warehouses – 2 m ;

– consumer services – 2.5 m ;

– enterprises of trade and public catering 3.0 m ;

– enterprise cultural, educational and sports and recreation, administrative offices – 3,0 m.

3.2.5 In the design of underground structures, it is recommended to use the possibilities of providing natural lighting, aeration and visual contact with the aerial environment by:

– light yards, wells (atriums), domes, lights, lighting of pits;

– elements of the natural environment (ornamental landscaping, ornamental pools, fountains, aquariums).

3.3 Fire prevention requirements

3.3.1 Underground structures for any purpose shall be designed with number of floors no more than:

– detached – 1st floor;

– built-in, built-in and attached – 1st floor;

3.3.2 fire resistance rating of underground facilities should be taken from table 1.

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