Clear vertical distance between grids. Minimum clear distance between pipelines and building structures

Norms, standards and rules for horizontal distances (in the light) from the nearest underground engineering networks to buildings and structures, between adjacent engineering underground networks when they are parallel, when engineering communications intersect vertical distances (in the light). Distance between pipes and cables. Distances between pipelines, cables, garbage chutes, pipes and other utilities and other objects - tables. Distance from pipe to... Distance from cable to....table.

Horizontal distances (in the light) from the nearest underground engineering networks to buildings and structures should be taken according to the corresponding table "SP 42.13330 Urban planning. Planning and development of urban and rural settlements"

Horizontal distances (in the light) from the nearest underground engineering networks to buildings and structures should be taken from the table below. The minimum distances from underground (ground with embankment) gas pipelines to buildings and structures should be taken in accordance with SP 62.13330 "Gas distribution systems. Updated version of SNiP 42-01-2002 (this issue is not considered in this review). "

Table (SP 42.13330) Distance, m, horizontally (in the light) from underground networks to buildings and structures

Network engineering	Distance, m, horizontally (in the light) from underground networks to
	foundations of buildings and structures	foundations for fencing enterprises, overpasses, contact network and communication supports, railways	end path axes		side stone of the street, road (edge ​​of the carriageway, reinforced roadside)	the outer edge of a ditch or the sole of an embankment	foundations of supports of overhead power lines with voltage
			1520 mm gauge railways, but not less than the depth of the trench to the bottom of the embankment and the edge of the excavation	750 mm gauge railways and trams			up to 1 kV outdoor lighting, contact network of trams and trolleybuses	over 1 to 35 kV	over 35 to 110 kV and above
Plumbing and pressure sewerage
Gravity sewerage (domestic and rainwater)
Drainage
Associated drainage
Heating network:
	2 (see note 3)
Power cables of all voltages and communication cables
Channels, communication tunnels
External pneumatic garbage ducts

* Only applies to distances from power cables.

• Notes
  1. For climatic sub-regions IA, IB, IG and ID, the distance from underground networks (water supply, domestic and rain sewerage, drainage, heating networks) during construction while maintaining the permafrost state of the foundation soils should be taken according to the technical calculation.
  2. It is allowed to provide for the laying of underground engineering networks within the foundations of supports and overpasses of pipelines, a contact network, provided that measures are taken to exclude the possibility of damage to networks in the event of settlement of foundations, as well as damage to foundations in the event of an accident on these networks. When placing engineering networks to be laid with the use of building dewatering, their distance to buildings and structures should be established taking into account the zone of possible violation of the strength of the foundation soils.
  3. Distances from heat networks with channelless laying to buildings and structures should be taken as for a water supply system.
  4. Distances from power cables with a voltage of 110-220 kV to the foundations of enterprise fences, overpasses, contact network supports and communication lines should be taken as 1.5 m.
  5. Horizontal distances from the lining of underground structures of the subway from cast-iron tubing, as well as from reinforced concrete or concrete with adhesive waterproofing, located at a depth of less than 20 m (from the top of the lining to the ground surface), should be taken
  • to sewerage networks, water supply, heating networks - 5 m;
  • from linings without pasting waterproofing to sewerage networks - 6 m,
  • for other water-bearing networks - 8 m;
  • the distance from the lining to the cables should be taken: with voltage up to 10 kV - 1 m, up to 35 kV - 3 m.
• In irrigated areas with non-subsiding soils, the distance from underground engineering networks to irrigation canals should be taken (up to the edge of the canals), m:
  • 1 - from a gas pipeline of low and medium pressure, as well as from water pipes, sewers, drains and pipelines of flammable liquids;
  • 2 - from high pressure gas pipelines up to 0.6 MPa, heat pipelines, domestic and rain sewerage;
  • 1.5 - from power cables and communication cables;
  • distance from the irrigation canals of the street network to the foundations of buildings and structures - 5.

Horizontal distances (in the light) between adjacent engineering underground networks with their parallel placement should be taken from the table below "SP 42.13330 Urban planning. Planning and development of urban and rural settlements"

12.36 Horizontal distances (in the light) between adjacent engineering underground networks, when they are placed in parallel, should be taken according to table 16, and at the inputs of engineering networks in buildings of rural settlements - at least 0.5 m. If the difference in the depth of laying of adjacent pipelines is more than 0, The 4 m distances indicated in Table 16 should be increased taking into account the steepness of the slopes of the trenches, but not less than the depth of the trench to the bottom of the embankment and the edge of the excavation. The minimum distances from underground (ground with bunding) gas pipelines to engineering networks should be taken in accordance with SP 62.13330. and at the inputs of engineering networks in buildings of rural settlements - at least 0.5 m. If the difference in the depth of laying of adjacent pipelines is more than 0.4 m, the distances indicated in Table 16 should be increased taking into account the steepness of the slopes of the trenches, but not less than the depth of the trench up to soles of the embankment and edges of the excavation. The minimum distances from underground (ground with bunding) gas pipelines to engineering networks should be taken in accordance with SP 62.13330. "Gas distribution systems. Updated edition of SNiP 42-01-2002" (this issue is not considered in this review).

Table (SP 42.13330) Distance, m, horizontally (in the light) to neighboring engineering networks when they are placed in parallel

Network engineering	Distance, m, horizontally (in the light) up to
	water supply	domestic sewerage	drainage and rainwater	power cables of all voltages	communication cables	heating networks		canals, tunnels	external pneumo-garbage ducts
						outer wall of a channel, tunnel	shell of ductless laying
Water pipes	See note. one	See note 2
Sewerage household	See note. 2
Rain sewer
Power cables of all voltages
Communication cables
Heating network:
from the outer wall of the channel, tunnel
from the shell of the channelless laying
Channels, tunnels
External pneumatic garbage ducts

* In accordance with the requirements of section 2 of the EMP rules.

• Notes
  1. When laying several water lines in parallel, the distance between them should be taken depending on the technical and engineering-geological conditions in accordance with SP 31.13330.
  2. Distances from household sewerage to domestic drinking water supply should be taken, m:
     • to the water supply from reinforced concrete and asbestos-cement pipes - 5;
     • to the water supply from cast-iron pipes with a diameter of up to 200 mm - 1.5,
     • with a diameter over 200 mm - 3;
     • to the water supply from plastic pipes - 1.5.
  3. The distance between the sewerage networks and the industrial water supply, depending on the material and diameter of the pipes, as well as on the nomenclature and characteristics of the soil, should be 1.5 m.

When engineering networks intersect, vertical distances (in the light) should be taken in accordance with the requirements of SP 18.13330. "CODE OF RULES MASTER PLANS OF INDUSTRIAL ENTERPRISES Master plans for industrial enterprises" Updated version of SNiP II-89-80

• When crossing engineering communications, vertical distances (in the light) must be at least:
  • a) between pipelines or electric cables, communication cables and railway and tram tracks, counting from the bottom of the rail, or highways, counting from the top of the coating to the top of the pipe (or its case) or electric cable, - according to the calculation for the strength of the network, but not less than 0 .6 m;
  • b) between pipelines and electric cables placed in canals or tunnels, and railways, the vertical distance, counting from the top of the canal or tunnel overlap to the bottom of the railway rails, is 1 m, to the bottom of the ditch or other drainage structures or the base of the railway earthen embankment canvases - 0.5 m;
  • c) between pipelines and power cables with voltage up to 35 kV and communication cables - 0.5 m;
  • d) between power cables with a voltage of 110-220 kV and pipelines - 1 m;
  • e) in the conditions of reconstruction of enterprises, subject to the requirements of the EMP, the distance between cables of all voltages and pipelines can be reduced to 0.25 m;
  • f) between pipelines for various purposes (with the exception of sewer pipes crossing water pipes and pipelines for toxic and foul-smelling liquids) - 0.2 m;
  • g) pipelines transporting drinking water should be placed 0.4 m above sewer or pipelines transporting toxic and foul-smelling liquids;
  • h) it is allowed to place steel, enclosed in cases, pipelines transporting drinking-quality water below sewer pipes, while the distance from the walls of the sewer pipes to the edge of the case must be at least 5 m in each direction in clay soils and 10 m in coarse and sandy soils , and sewer pipelines should be provided from cast iron pipes;
  • i) inlets of domestic and drinking water supply with a pipe diameter of up to 150 mm may be provided below the sewer without a case, if the distance between the walls of the intersecting pipes is 0.5 m;
  • j) in case of channelless laying of pipelines of water heating networks of an open heat supply system or hot water supply networks, the distances from these pipelines to sewer pipelines located below and above should be taken as 0.4 m.

Horizontal distances (in the light) between adjacent engineering underground networks with their parallel placement should be taken:

according to table 5.13;

Not less than 0.5 m at the inputs of engineering networks in the buildings of rural settlements.

If the difference in the laying depth of adjacent pipelines is more than 0.4 m, the distances indicated in Table 5.13 should be increased taking into account the steepness of the slopes of the trenches, but not less than the depth of the trench to the bottom of the embankment and the edge of the excavation.

The distances indicated in tables 5.12 and 5.13 can be reduced:

when performing appropriate technical measures that ensure safety and reliability requirements;

Laying underground gas pipelines with a pressure of up to 0.6 MPa in cramped conditions (when it is not possible to fulfill the distances regulated by regulatory documents) in certain sections of the route, between buildings and under the arches of buildings;

Laying gas pipelines with a pressure of more than 0.6 MPa when they approach separate auxiliary buildings (buildings without the constant presence of people) - up to 50%.

1. When engineering networks intersect, vertical distances (in the light) should be taken at least:

1) when laying a cable line parallel to a high-voltage line (VL) with a voltage of 110 kV and higher from the cable to the outermost wire - 10 m;

2) between pipelines or electric cables, communication cables and railway tracks, counting from the rail sole, or highways, counting from the top of the coating to the top of the pipe (or its case) or electric cable - based on the strength of the network, but not less than 0.6 m ;

3) between pipelines and electric cables placed in canals or tunnels and railways, counting from the top of the canal or tunnel overlap to the bottom of the railway rails - 1 m, to the bottom of the ditch or other drainage structures or the base of the railway subgrade embankment - 0, 5 m;

4) between pipelines and power cables with voltage up to 35 kV and communication cables - 0.5 m;

5) between pipelines and power cables with a voltage of 110-220 kV - 1 m;

6) between pipelines and communication cables when laying in collectors - 0.1 m, while communication cables must be located above the pipelines;

7) between communication cables and power cables with parallel laying in collectors - 0.2 m, while communication cables should be located below the power cables.

Under reconstruction:

the distance from cable lines to underground parts and grounding switches of individual supports of overhead lines with a voltage above 1000 V can be taken at least
2 m, while the horizontal distance (in the light) to the outermost wire of the overhead line is not standardized;

Subject to the requirements of the EMP, the distance between cables of all voltages and pipelines can be reduced to 0.25 m.

Table 5.12

Network engineering	Distance, m, horizontally (in the light) from underground networks
	to the foundations of buildings and structures	to the foundations of fencing enterprises, overpasses, supports of the contact network and communications, railways	to the axis of the extreme path		to the side stone of the street, road (edge ​​of the carriageway, reinforced roadside)	to the outer edge of the cuvette or the soles of an embankment road	to the foundations of overhead power transmission lines with voltage
			1520 mm gauge railways, but not less than the depth of the trenches to the bottom of the embankment and the edge of the excavation	railway gauge 750 mm			up to 1 kV outdoor lighting, contact network of trolleybuses	St. 1 to 35 kV	St. 35 to 110 kV and above
Plumbing and pressure sewerage	5	3	4	2,8	2	1	1	2	3
Gravity sewerage (domestic and rainwater)	3	1,5	4	2,8	1,5	1	1	2	3
Drainage	3	1	4	2,8	1,5	1	1	2	3
Associated drainage	0,4	0,4	0,4	0	0,4
Gas pipelines combustible gas pressure, MPa;
low to 0.005	2	1	3,8	2,8	1,5	1	1	5	10
middle over 0.005 to 0.3	4	1	4,8	2,8	1,5	1	1	5	10
high:
over 0.3 to 0.6	7	1	7,8	3,8	2,5	1	1	5	10
over 0.6 to 1.2	10	1	10,8	3,8	2,5	2	1	5	10
Heating network:
from the outer wall of the channel, tunnel	2	1,5	4	2,8	1,5	1	1	2	3
from the shell of the channelless laying	5*	1,5	4	2,8	1,5	1	1	2	3
Power cables of all voltages and communication cables	0,6	0,5	3,2	2,8	1,5	1	0,5*	5*	10*
Channels, communication tunnels	2	1,5	4	2,8	1,5	1	1	2	3*
External pneumo-garbage ducts	2	1	3,8	2,8	1,5	1	1	3	5

* Only applies to distances from power cables.
It is allowed to provide for the laying of underground engineering networks within the foundations of supports and overpasses of pipelines, a contact network, provided that measures are taken to exclude the possibility of damage to networks in the event of settlement of foundations, as well as damage to foundations in the event of an accident on these networks. When placing engineering networks to be laid with the use of building dewatering, their distance to buildings and structures should be established taking into account the zone of possible violation of the strength of the foundation soils.

Distances from heat networks with channelless laying to buildings and structures should be taken in accordance with SNiP 41-02-2003 "Heat networks".

Distances from power cables with a voltage of 110–220 kV to the foundations of enterprise fencing, overpasses, contact network supports and communication lines should be taken as 1.5 m.

In irrigated areas with non-subsiding soils, the distance from underground engineering networks to irrigation canals should be taken (up to the edge
channels), m:

1 - from a gas pipeline of low and medium pressure, as well as from water pipes, sewers, drains and pipelines of flammable liquids;

2 - from high pressure gas pipelines up to 0.6 MPa, heat pipelines, domestic and rain sewerage;

1.5 - from power cables and communication cables.

Table 5.13

Network engineering	Distance, m, horizontally (in the light)
	to in-to-pro-water	to sewerage household howl	to drainage and rain-virgin canal-lization	to pressure gas pipelines, MPa (kgf/square m)				to ka-be-lei si-lo-outs of all directions	to ka-be-lei communications	to heating networks		to ka-na-lov, then-nne-lei	to the outside pne-vmo-mu-so-ro-pro-vo-dov
				low-one up to 0.005	middle St. 0.005 to 0.3	high				outdoor wall of the canal, tone-nelya	ob-loch-ka without channel
						St. 0.3 up to 0.6	St. 0.6 up to 1.2
1	2	3	4	5	6	7	8	9	10	11	12	13	14
Water pipes	1,5	*	1,5	1	1	1,5	2	1*	0,5	1,5	1,5	1,5	1
Sewerage household	*	0,4	0,4	1	1,5	2	5	1*	0,5	1	1	1	1
Rain sewer	1,5	0,4	0,4	1	1,5	2	5	1*	0,5	1	1	1	1
Pressure gas pipelines, MPa:
low to 0.005	1	1	1	0,5	0,5	0,5	0,5	1	1	2	1	2	1
1	2	3	4	5	6	7	8	9	10	11	12	13
average over 0.005 up to 0.3	1	1,5	1,5	0,5	0,5	0,5	0,5	1	1	2	1	2	1,5
high
over 0.3 to 0.6	1,5	2	2	0,5	0,5	0,5	0,5	1	1	2	1,5	2	2
over 0.6 to 1.2	2	5	5	0,5	0,5	0,5	0,5	2	1	4	2	4	2
Power cables of all voltages	1*	1*	1*	1	1	1	2	0,1-0,5	0,5	2	2	2	1,5
Communication cables	0,5	0,5	0,5	1	1	1	1	0,5		1	1	1	1
Heating network:
from the outer wall of the channel, tunnel	1,5	1	1	2	2	2	4	2	1			2	1
from the shell of the ductless laying	1,5	1	1	1	1	1,5	2	2	1			2	1
Channels, tunnels	1,5	1	1	2	2	2	4	2	1	2	2		1
External pneumo-garbage lines	1	1	1	1	1,5	2	2	1,5	1	1	1	1

* It is allowed to reduce the indicated distances to 0.5 m, subject to the requirements of section 2.3 of the EMP.
The distance from the domestic sewer to the drinking water supply should be taken, m:

a) to the water supply from reinforced concrete and asbestos-cement pipes - 5;

B) to the water supply from cast-iron pipes with a diameter of:

Up to 200 mm - 1.5;

Over 200 mm - 3;

C) to the water supply from plastic pipes - 1.5.

The distance between the sewerage networks and the industrial water supply, depending on the material and diameter of the pipes, as well as on the nomenclature and characteristics of the soil, should be 1.5 m.

With parallel laying of gas pipelines for pipes with a diameter of up to 300 mm, the distance between them (in the light) is allowed to be 0.4 m and more than 300 mm - 0.5 m when two or more gas pipelines are placed together in one trench.

Table 5.13 shows the distances to steel gas pipelines. The placement of gas pipelines from non-metallic pipes should be provided in accordance with SNiP 42-01-2002 "Gas distribution systems".

For special soils, the distance should be adjusted in accordance with SNiP 41-02-2003 "Heat networks", SNiP 2.04.02-84* "Water supply. External networks and structures”, SNiP 2.04.03-85* “Sewerage. External networks and facilities":

1) between pipelines for various purposes (with the exception of sewer crossing water pipes and pipelines for poisonous and foul-smelling liquids) - 0.2 m;

2) pipelines transporting drinking-quality water should be placed 0.4 m higher than sewer or pipelines transporting poisonous and foul-smelling liquids;

3) it is allowed to place steel, enclosed in cases, pipelines transporting drinking-quality water below sewer pipes, while the distance from the walls of the sewer pipes to the edge of the case must be at least 5 m in each direction in clay soils and 10 m in coarse and sandy soils , and sewer pipelines should be provided from cast iron pipes;

4) inlets of domestic and drinking water supply with a pipe diameter of up to 150 mm may be provided below the sewer without a case, if the distance between the walls of the intersecting pipes is 0.5 m;

5) in case of channelless laying of pipelines of water heat networks of an open heat supply system or hot water supply networks, the distances from these pipelines to sewer pipelines located below and above should be taken as 0.4 m;

6) when crossing with channels or tunnels for various purposes, gas pipelines should be placed above or below these structures at a distance of at least 0.2 m in cases extending 2 m on both sides of the outer walls of the channels or tunnels. It is allowed to lay underground gas pipelines in a case with a pressure of up to 0.6 MPa through tunnels for various purposes.

7.20*. Engineering networks should be placed mainly within the transverse profiles of streets and roads; under sidewalks or dividing strips - engineering networks in collectors, channels or tunnels; in the dividing strips - heating networks, water supply, gas pipelines, utility and rain sewers.

On the strip between the red line and the building line, low-pressure gas and cable networks (power, communications, signaling and dispatching) should be placed.

With a roadway width of more than 22 m, provision should be made for the placement of water supply networks on both sides of the streets.

7.21. When reconstructing the carriageways of streets and roads with the installation of road capital pavements, under which underground engineering networks are located, it is necessary to provide for the removal of these networks to the dividing strips and under the sidewalks. With appropriate justification, the preservation of existing networks under the carriageways of streets, as well as the laying of new networks in canals and tunnels, is allowed. On existing streets that do not have dividing lanes, it is allowed to place new engineering networks under the carriageway, provided that they are placed in tunnels or channels; if technically necessary, it is allowed to lay a gas pipeline under the carriageways of streets.

7.22*. The laying of underground engineering networks should, as a rule, be provided for: combined in common trenches; in tunnels - if it is necessary to simultaneously place heating networks with a diameter of 500 to 900 mm, a water supply system up to 500 mm, more than ten communication cables and ten power cables with a voltage of up to 10 kV, during the reconstruction of main streets and areas of historical buildings, with a lack of space in the transverse profile of streets for placing networks in trenches, at intersections with main streets and railway tracks. In tunnels, it is also allowed to lay air ducts, pressure sewers and other engineering networks. Joint laying of gas and pipelines transporting flammable and combustible liquids with cable lines is not allowed.

In areas where permafrost soils are distributed, when constructing engineering networks with the preservation of soils in a frozen state, it is necessary to provide for the placement of heat pipelines in channels or tunnels, regardless of their diameter.

Notes*:

1. On building sites in difficult soil conditions (forest subsidence), it is necessary to provide for the laying of water-bearing engineering networks, as a rule, in through tunnels. The type of soil subsidence should be taken in accordance with SNiP 2.01.01-82; SNiP 2.04-02-84; SNiP 2.04.03-85 and SNiP 2.04.07-86.

2. In residential areas in difficult planning conditions, it is allowed to lay ground heating networks with the permission of the local administration.

7.23*. Horizontal distances (in the light) from the nearest underground engineering networks to buildings and structures should be taken according to Table 14. *

Horizontal distances (in the light) between adjacent engineering underground networks with their parallel placement should be taken according to Table 15, and at the inputs of engineering networks in buildings of rural settlements - at least 0.5 m. If the difference in the depth of laying of adjacent pipelines is more than 0, 4 m, the distances indicated in Table 15 should be increased taking into account the steepness of the slopes of the trenches, but not less than the depth of the trench to the bottom of the embankment and the edge of the excavation.

When engineering networks intersect, vertical distances (in the light) should be taken in accordance with the requirements of SNiP II-89-80.

The distances indicated in Tables 14 and 15 may be reduced if appropriate technical measures are taken to ensure safety and reliability requirements.

Table 14*

Table 15

7.24. The intersection of engineering networks of metro structures should be provided at an angle of 90 °, in the conditions of reconstruction it is allowed to reduce the angle of intersection to 60 °. Intersection of engineering networks of metro station structures is not allowed.

At intersections, pipelines must have a slope to one side and be enclosed in protective structures (steel cases, monolithic concrete or reinforced concrete channels, collectors, tunnels). The distance from the outer surface of the lining of the subway structures to the end of the protective structures must be at least 10 m in each direction, and the vertical distance (in the light) between the lining or the sole of the rail (for land lines) and the protective structure must be at least 1 m. Laying gas pipelines tunnels are not allowed.

Engineering network crossings under ground metro lines should be provided taking into account the requirements of GOST 23961-80. At the same time, the networks must be brought out at a distance of at least 3 m beyond the fences of the ground sections of the subway.

Notes:

1. In the locations of underground structures at a depth of 20 m or more (from the top of the structure to the surface of the earth), as well as in the places of occurrence between the top of the lining of underground structures and the bottom of the protective structures of engineering networks of clay, non-fractured rocky or semi-rocky soils with a thickness of at least 6 m the stated requirements for the intersection of engineering networks of metro structures are not presented, and the installation of protective structures is not required.

2. At the intersection of underground structures, pressure pipelines should be provided from steel pipes with a device on both sides of the intersection of wells with water outlets and the installation of shutoff valves in them.

7.25*. When crossing underground engineering networks with pedestrian crossings, it is necessary to provide for the laying of pipelines under the tunnels, and power and communication cables - above the tunnels.

7.26*. Laying of pipelines with flammable and combustible liquids, as well as with liquefied gases to supply industrial enterprises and warehouses in a residential area is not allowed.

Main pipelines should be laid outside the territory of settlements in accordance with SNiP 2.05.06-85. For oil product pipelines laid on the territory of the settlement, one should be guided by SNiP 2.05.13-90.

* Taking into account the use of one lane for parking of cars.

Notes

1 The width of streets and roads is determined by calculation depending on the intensity of traffic and pedestrians, the composition of the elements placed within the transverse profile (carriageways, technical lanes for laying underground utilities, sidewalks, green spaces, etc.), taking into account sanitary and hygienic requirements and civil defense requirements. As a rule, the width of streets and roads in the red lines is taken m: main roads - 50-75; main streets - 40-80; streets and roads of local importance - 15-25.

2 In conditions of complex terrain or reconstruction, as well as in areas with high urban development value of the territory, it is allowed to reduce the design speed for high-speed roads and streets of continuous traffic by 10 km/h with a decrease in the radii of curves in the plan and an increase in longitudinal slopes.

3 For the movement of buses and trolleybuses on the main streets and roads in large, large and largest cities, an extreme lane 4 m wide should be provided; for the passage of buses during peak hours at a rate of more than 40 units / h, and in conditions of reconstruction - more than 20 units / h, a separate carriageway with a width of 8-12 m is allowed.

On main roads with predominant traffic of trucks, it is allowed to increase the width of the lane up to 4 m.

4 In climatic subregions IA, IB and IG, the largest longitudinal slopes of the carriageway of main streets and roads should be reduced by 10%. In areas with a winter snowfall of more than 600 m / m, within the carriageway of streets and roads, lanes up to 3 m wide should be provided for snow storage.

5 The width of the pedestrian part of the sidewalks and paths does not include the area necessary for the placement of kiosks, benches, etc.

6 In climatic subregions IA, IB and IG, in areas with a snow load of more than 200 m / m, the width of sidewalks on main streets should be taken at least 3 m.

7 In the conditions of reconstruction on the streets of local importance, as well as with an estimated pedestrian traffic of less than 50 people per hour in both directions, it is allowed to install sidewalks and paths with a width of 1 m.

8 When sidewalks are directly adjacent to the walls of buildings, retaining walls or fences, their width should be increased by at least 0.5 m.

9 It is allowed to provide for the phased achievement of the design parameters of the main streets and roads, transport intersections, taking into account the specific size of traffic and pedestrians, with the obligatory reservation of the territory and underground space for prospective construction.

10 In small, medium and large cities, as well as in the conditions of reconstruction and in the organization of one-way traffic, it is allowed to use the parameters of the main streets of district significance for the design of main streets of citywide significance.