Technical Requirements For Construction For The Performance Of Functions Of The Forest

Original Language Title: technické požadavky pro stavby pro plnění funkcí lesa

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433/2001 Sb.


The Ministry of agriculture

of 3 July 2003. December 2001,

laying down technical requirements for the construction for the performance of functions of the forest

The Ministry of agriculture provides under section 143 paragraph. 4 (b). (b)), and (c))

Act No. 50/1976 Coll., on zoning and the building code (the building

Act), as amended by Act No. 82/1998 Coll., Act No. 151/2000 Coll. and act

No. 254/2001 Coll.:

§ 1

The subject of the edit

(1) this Ordinance lays down technical requirements for the construction for the performance

forest functions, which are the construction of forest roads, buildings cover the streams and

ravines, building drainage of forest land and small water reservoirs in the Woods.

(2) pursuant to this order shall be followed when designing, positioning,

authorisation, reporting, implementation, acceptance, use, maintenance

work or changes to the structures referred to in paragraph 1.

(3) the provisions of the special law shall remain unaffected. ^ 1)

§ 2

Definition of basic terms

(1) for the purposes of this order means for building forest roads

and) forest path (hereinafter referred to as "the way")-targeted communication

part of the forest road network, designed to transport timber, transport of persons and

material only in the interests of the owner of the forest and for the passage of a special

vehicles. Allows safe year-round or seasonal operation,

(b)) the ground path-several layers of differently processed construction

materials that their overall design ensure load carrying capacity for the operation of

the design of the vehicle,

c) longitudinal tilt of the road trip-a move away from the horizontal surface

the plane in the direction of the alignment of the path indicated in the preparation,

d) transverse tilt of the road trip-diversion of surface or part of a path

from the horizontal in the transverse cut indicated as a percentage,

e) class dates-sort character common to the paths of the same transport

importance in terms of the forestry operation, it is the importance of transport and

the purpose of the trip (class 1 l up to 4 l),

f) year-round-traffic along the way without a time limit,

g) seasonal operation-operation after a trip in the time periods defined

relatively dry periods or be a period,

h) Plains Road-modified surface area designated for the establishment of the road,

I) path-reclamation activities, which path or its remnants removed

for reasons of its establishment and at the same time modifies the forest land

damaged traffic on the road,

(j)) propustkem-object with a perpendicular hole to 2 m headroom including serving

the lateral deflecting waters,

výhybnou-to) the path of unilateral extension of the width of the traffic lane

intended for avoidance or overtaking.

(2) for the purposes of this order means for buildings cover the streams and


and the reimbursement streams and ravines)-combination lesnickotechnických

measures for the river basins, the streamlining of the economic activities with a view to

water retention and splavenin, the raising of the vsaku, prevention of accelerated erosion

or the subsequent flood damages,

(b)) the ravine-off Groove or a pothole that was created by the sustained surface


(c) the areas against suspended load-moving particles) intermittently running water either

by sliding or jumping. Tiny particles floating in the water are


(d) special shore-vegetation-) vegetation plant communities, in particular

herbal remedies and dřevinných stands on the banks of watercourses and reservoirs, which

protects banks against vymílání water and at the same time performs other functions, in particular


(e)) by modifying the catchment area torrent-file specifying the measure into conformity

economic, cultural and other forms of exploitation of the basin with the protection

soil, hydrological cycle, nature conservation requirements and the requirements for

habitability of the territory,

(f) design flow-flow rate), which is used for the design of water

works to flood protection of the downstream areas.

(3) for the purposes of this order means for drainage of the forest land and buildings

small water reservoirs in the Woods

and zamokřením forest land)-humidity affecting the forest and grassland culture

caused by the waters of the přitékajícími surface or underground tributary or

the waters of the detainees on forest land,

(b)) a small water tank-building, allowing the largest backwater in which

flooded area is 2 ha and whose purpose is the retention of water in the

forests, affecting the water regime in the forest soils in the vicinity of the tank protection

drainage network before an accelerated water erosion and to ensure water supplies in

sites at risk of forest fires,

c) outlet-the object specified for controlled discharge of small water tank and

drainage of its dna,

d) sauce-an object used to safely convert a design flow

and to the protection of small water tank before it is congested.

§ 3

Requirements for the construction and equipment

Construction for the performance of functions of the forest must be designed and constructed so that the

they were respecting the economy suitable for the intended use, and

at the same time meet the requirements for mechanical strength and stability,

safety in use, protection of the environment ^ 2), and the use for

the purpose of fire protection territory. ^ 3)

§ 4

Requirements for the construction of paths

(1) the travel route is proposed to meet the requirements of sound

forest management and its protection, the least disruptive to the forest stands,

podchycovala what the largest area of forest and fully conforms to the direction and

the inclination of the route.

(2) the largest longitudinal gradient for new roads with the road is 12%.

(3) the value of the transverse inclination of the road and the plains of the path is on a new path, or

When you change the current path of at least 3%.

(4) the width of the odlesněného bar for a new path, or when you change an existing

the trip will be limited to compliance with the parameters for the design of the route of the path chosen by the


(5) the longitudinal and transverse drainage body journey captures and drains

threatening solid or surrounding land podmáčením or water erosion.

In particular, the use of ditches, culverts, bridges, gravel, crash barrier, and


(6) the smallest luminance pass is 600 mm.

(7) Descents of the paths on the adjacent land must have a width of at least 6 m.

(8) the passing Bay are part of the journey and shall be intermittently in places with

sufficient views, which makes it safe for avoidance and overtaking.

Suggest 1-2 passing for 1 km length of the path. The minimum length of the passing

It is 20 m.

(9) the inflow of rainwater with the surface of the road or local path

communication must prevent the drainage of waters referred to in paragraph 5.

(10) it is not permitted to use vehicles of greater weight on

remedy than that for which it was built, the path using the path at a time

When is not eligible for operation (seasonality), or in a way that for a given

type of trip is not taken into account (e.g. sliding wood road).

(11) the reclamation of the paths is always performs, is resolved in the area of forest

the right to permanently in another way.

§ 5

Requirements for the construction of the payment streams and ravines

(1) the basic elements of the original stream or ravine route shall

they maintain. Adjustments shall not impede the use of adjacent land and must

to allow maintenance work zahrazených nezahrazené care sections and segments.

(2) the radii of arcs shall be not less than six times the width of the trough between the

plenty edges.

(3) if the torrent or ravine or wearing away permanently and significantly enhances

trough, must be increased its resistance to kinetic energy of water

by increasing its size, a reduction in its longitudinal gradient of dna or its


(4) Design flow for capacity troughs shall be determined with a view to

protected objects and cultures in the surrounding territory. It is necessary to assess where

and why was historically the highest flood level.

(5) closed profile must be sized to above the surface with

the design flow with a frequency of once every 100 years remained free

space of at least 500 mm and a drain was secured against clogging. Pressure

closed profile flow is inadmissible.

(6) the purpose of the fortifications of the longitudinal trough torrent or the ravine is secure

the stability of the riverbed, or its parts, it is in particular pat slopes and banks.

(7) in the case of the longitudinal stronghold the banks of watercourses streams or ravines

riparian forests are proposed, the growths of richly blended

tree species.

(8) the maximum height of the degrees with the edge of the spillway in the upper level of the bottom is 1

000 mm.

(9) Přehrážky with the edge of the spillway over the upper levels of the dna, with nádržným

space for storing or splavenin, sorting is technically adjusted

to facilitate the migration of fish, only if it is in a section of stream or ravine they

continuous presence.

(10) the systematic adjustments are carried out in areas with considerable movement

splavenin and in favour of the protection of the population and real estate. Less costly

the measures are gradually supplemented by the development of the ports of the catchment area and the State of

the adjustments made.

(11) in crossing pipe flow with unadjusted bystřinným with the upper edge of

pipe (or building) placed at least 700 mm below

niveletou dna. When crossing the cable is its least depths 1

000 mm below the niveletou dna, for communication cables 1 400 mm scoring for

save their burial and compaction sypaniny opevní in the bottom even in the

the slope of the trough.

§ 6

Requirements for the construction of the drainage of the forest land and small water reservoirs in


(1) before each drainage must evaluate local conditions

pedologického character of forest land, the causes of waterlogging, status, and

the production objectives, rehabilitation, protection and cultivation of crops, hostile

territory, transport accessibility, or the accumulation of water.

(2) keeping the routes ditches resolves according to local conditions (hostile) and with

regard to the allocation of stands and limit the harmful effects of the forest at

unfavourable wind flow.

(3) when determining the depth gauge and ditches into account biological

the requirements of the species, depending on the age and species composition of tree species.

(4) the drainage trenches are designed in a longitudinal gradient of at least 0.5%,

depth of at least 600 mm gauge, and at least 30 m (for a detailed


(5) on peaty sites forest land who do not provide warranty

the success of their drainage (high cost, complexity of the maintenance),

the building perimeter ditches leaving the natural development of water

soil or mode are transferred to permanent bodies of water.

(6) the minimum distance when crossing the underground cable line under

date modified of the trench is at 700 mm, cables for electrical

cables 1 000 mm. failure to observe these distances are stored cables

protects the firming up of the trenches in places to store them.

(7) the Width of the Crown of the dam of the reservoir, after which it is guided by the way, is given by its

design elements. In other cases, the width of the Crown must be free

the dam at least 3 500 mm.

(8) each flow tank must be equipped with waste water for the sauce

flood and discharge. Pressure waste from the spillway is inadmissible.

(9) the tanks, which are equipped with artificial tributary and cannot be

in case of malfunction or overflow on a tributary, may not be equipped with


(10) the Drain must allow release of water from the tank at any level

levels and complete deletion of the tank. Outlet must be fitted with at least

one CAP and flow profile of the discharge outlet shall not be less than 300 mm.

(11) the capacity of the spillway at the highest level in the tank is at least equal to the

flow with a frequency of once every 100 years. At this point the flow

the water level must be at least 400 mm below the Crown of the dam.

(12) the banks of the reservoir and dam slopes shall be protected against erosion

fluctuations in water levels, wave pool, ice floes or from erosion

surface run-off water, vegetation or building zatravněním


§ 7

The effectiveness of the

This Decree shall enter into force on 1 January 2000. January 1, 2002.


Ing. Fencl in r.

1) for example, Decree No. 133/1998 Coll., which implements certain

the provisions of the building code, Decree No. 137/1998 Coll., on General

technical requirements for the construction, Decree No 104/1997 Coll., which

implementing the law on road traffic, as amended by Decree No.

300/1999 Coll. and Decree No. 361/2000 Coll.

2) Act No 114/1992 Coll., on nature and landscape protection, as amended by law

No 347/1992 Coll., Act No. 289/1995 Coll., Constitutional Court

published under no. 3/1997 Coll., Act No. 16/1997 Coll., Act No.

123/1998 Coll., Act No. 161/1999 Coll., Act No. 238/1999 Coll. and act

No 132/2000 Sb.

3) Act No. 133/1985 Coll., on fire protection, as amended by law No 40/1994

Coll., Act No. 209/1994 Coll., Act No. 167/1998 Coll., Act No. 71/2000

Coll. and Act No. 242/2000 Coll.

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