DECREE by tyndale

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									                                                 (DRAFT)
                                            DECREE
                       of the Ministry of Interior of the Slovak Republic
                                         of ........... 2004
     stipulating fire safety principles during handling and storage of flammable liquids,
                  heavy heating oils and of vegetable and animal fats and oils


Ministry of Interior of the Slovak Republic pursuant to § 4 letter k) and n) of the Act No 314/2001
Coll. on fire protection stipulates:


                                             General provisions
                                                       §1
      (1) The Decree arranges requirements for fire safety securing during
a)    erection and use of workrooms with flammable liquids; warehouses with flammable liquids;
      spaces for filling and barrelling operations;
b)    erection and use of filling stations with liquid fuels1) which are considered to be flammable
      liquids;
c)    storage of and handling flammable liquids in spaces which are considered neither as workrooms
      with flammable liquids nor warehouses for flammable liquids;
d)    storage of and placing of flammable liquids with low boiling point;
e)    storage of heavy heating oils
f)    storage of vegetable and animal fats and oils.
      (2) The Decree does not apply to
a)    placing and labelling of drinking and trade-marked alcohol and distillates in transportable
      packaging up to 10 litre volume;
b)    storage and placing of medicaments;
c)    placing and labelling of cosmetic, hygienic and cleaning products in transportable packaging up
      to 1 litre volume;
d)    workrooms and warehouses with flammable liquids which are considered as explosives pursuant
      to specific regulations;
e)    technological equipment located on portals of geological works and of mining works 2 and to
      erecting and use of storage rooms for flammable liquids as well as storage of them and handling
      flammable liquids in underground mining works;
f)    placing and labelling of vegetable and animal fats and oils in transportable packaging up to 15-
      litre volume;
g)    transport of flammable liquids by road , rail , planes , inland waterways and sea vessels.



1)
   § 31 section 1 of the Decree of the Ministry of Transport, Posts and Telecommunications of the Slovak
   Republic No. 116/1997 Coll. on the conditions of vehicle traffic on roads
2)
   Act of the National Council of the Slovak Republic No. 51/1988 Coll. on mining activities, explosives and on
   the state mining administration, as amended
   Act No. 313/1999 Coll. on geological works and on the state geological administration (The Geological Act),
   as amended


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                                                        §2
       (1) Transportable packaging is according to material used and construction divided into:
     a) vessel from glass; melted rocks (as example container packaging glass; graduated glass;
        laboratory glass) or from ceramics (as example laboratory porcelain) with the volume
        maximally 5 l (in further "breakable transportable packaging")
     b) jerrican
     c) barrel
     d) cistern container 3) without road vehicle nor rail wagon
     e) transportable container 3) without road vehicle nor rail wagon
     f) removable container 3) without road vehicle nor rail wagon
     g) cistern removable construction 3) without road vehicle nor rail wagon
     h) another vessel than referred to in letters b) up to d).
       (2) A container is a transportable equipment and storage equipment for transportable packaging .
    (3) A passive tank container is a cistern container which is filled in at the filling point in a single
way and whose all volume is emptied out at one stroke.
    (4) An active tank container is a cistern container which is at the filling point filled in and
emptied out continuously. Filling and emptying processes at the same time are not allowed.
     (5) Breakable packaging with the volume greater than 1 litre that contains a flammable liquid
shall be stored in a container or in a case; this is not applied to storage of flammable liquids at
households.
     (6) Into the total amount of flammable liquids stored at workplaces or households are included
neither aerosol preparations, preparations containing ethanol, nor cosmetic, hygienic and cleaning
agents in transportable packaging up to 1 litre volume.


                                                        §3
       (1) Flammable liquid is understood a substance that fulfils simultaneously these conditions:
a) under the atmospheric pressure 101,3 kPa and at the temperature 20 C is not absolutely gaseous
   and;
   1. is liquid pursuant to the criterion referred to in a test procedure according to a specific provision
      4
       ;
   2. is not solid neither paste pursuant to the criterion referred to in a test procedure for the
      penetrative test according to a specific provision 4); or
   3. at the temperature 20 C starts to melt
b) at the temperature 50 C has the saturated vapour pressure 300 kPa, maximally;
c) has a flash point determined according to a procedure referred to
   1. in a Slovak Technical Standard 5) or


3)
     Annexes A and B to European Agreement on the International Transport of Dangerous Goods by Road (ADR)
4)
     Annex A to European Agreement on the International Transport of Dangerous Goods by Road (ADR)
5)
     For example
     STN EN 57 (65 6068) Petroleum products. Determination of flash point. Abel-Pensky closed tester.
     STN EN ISO 13736 (65 6067) Petroleum products and other liquids.. Determination of flash point. Abel
     closed cup method.


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     2. in a specific provision 4),
     maximal value of that is but 250 C; and
d) the burning point can be determined 6
     (2) Flammable liquids are classified according to their flash points into four classes of danger.
Flash points for the particular classes of danger are referred to in the Annex No. 1 in the Table 1.
    (3) For purposes of this Decree as
a) flammable liquids of the I class of danger are considered also highly flammable substances and
   preparations 7) and flammable substances and preparations 7) having boiling point lower than or
   equal to 21C, when fulfil conditions referred to in § 3, section 1, letter a);
b) flammable liquids of the II class of danger are considered also flammable substances and
   preparations 7) having flash point greater than 21C, when fulfil conditions referred to in § 3,
   section 1, letter a).
     (4) A flammable liquid having a flash point not determined is considered to be a flammable
liquid of the I class of danger.
      (5) A flammable liquids of the II, III and IV classes of danger, respectively, being heated to the
temperature of the flash point and to a higher temperature is considered to be a flammable liquid of the
I class of danger.
     (6) When the volume of the flammable liquid of the I class of danger is stipulated, the allowed
volume of the flammable liquid of another class of danger is determined by the procedure referred to
in the Annex No. 2.
    (7) For flammable liquids of the III and IV classes of danger, respectively, transportable
packaging from plastics and rubber can be used without any limitation.
     (8) For placing of flammable liquids of the I and II classes of danger is allowed to use
transportable packaging from plastics or rubber referred to in § 2 section 1, letters b) up to d) and h)
which
a) have surface resistance lower than 109 ;
b) were approved for placing of flammable liquids of the I and II classes of danger by a state testing
   laboratory if its action was required according to existing valid provisions on state testing; or
c) were placed on the market according to specific provision 8) and


     STN EN 456 (67 3018) Paints, varnishes and related products. Determination of flash point. Rapid
     equilibrium method
     STN 67 3015 Testing of flash point of paints and varnishes in a closed cup after Abel-Pensky
     STN EN 924 (66 8502) Adhesives. Solvent -borne and solvent-free adhesives. Determination of flash point.
     STN EN ISO 2592 (65 6212) Petroleum products . Determination of flash and fire points. Cleveland open cup
     method.
     STN EN ISO 1516 (67 0602) Paints, varnishes, petroleum and related products. Flash/no flash test. Closed
     cup equilibrium method.
     STN EN ISO 1523 (67 0603) Paints, varnishes, petroleum and related products. Determination of flash point.
     Closed cup equilibrium method.
6)
     For example
     STN EN ISO 22592 (65 6212) Petroleum products. Determination of flash and fire points. Cleveland open
     cup method.
7)
     Annexes 1 and 6 to the Order of the Ministry of Economy of the Slovak Republic No. 2/2002 of 27 March
     2002 providing for the enforcement of the Act No. 163/2001 Coll. on chemical substances and chemical
     preparations (Notice of the Ministry of Economy of the Slovak Republic published under No. 384/2002
     Coll.)
8)
     Act No. 264/1999 Coll. on technical requirements laid on products and on conformity assessment and on
     amending certain acts, as amended


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      1. have passed conformity assessment performed by an authorised person as packaging intended
         for placing of flammable liquids if, according to existing provision establishing details on
         technical requirements laid on other determined products, involving of the authorised person
         was required;
      2. have passed conformity assessment performed by the authorised person as packaging intended
         for placing of flammable liquids if conformity assessment is required according to specific
         provision 9); or
      3. have passed conformity assessment performed by a manufacturer or an importer and, according
         to technical file accompanying product, are intended for placing of flammable liquids of the I
         and II classes of danger.
     (9) Transportable packaging from plastics and rubber which have a surface resistance greater
than 109  and have volume up to 5 litres, which contain flammable liquids of the I and II classes of
danger respectively, can be used only in spaces without the explosion danger. 10)
     (10) Transportable packaging from plastics and rubber, which have a surface resistance higher
than 109  which contain flammable liquids, can be used in spaces with the explosion danger only
when keeping protective measures. 11)
      (11) A flammable liquid can be stored in a breakable transportable packaging that has volume up
to 5 litres maximally.


                                      Tanks and transportable packaging
                                                        §4
     (1) An underground tank is a tank which is except the upper handling openings covered either
by the soil layer with the thickness of 0,5 m minimally or by the continuous building construction
made from type D1 construction elements 12) having a fire resistance at least 120 minutes.
     (2) An aboveground tank is a tank that is neither covered or its covering by soil or by the
building construction does not correspond to conditions referred to in the section 1.
    (3) A secondary containment tank is a tank which has two separated shells with a free space
between them; the external shell shall be made from non-flammable materials.
     (4) A locally secondary containment tank is a tank which has shell welds covered by the second
shell; whereby spaces between-shells are interconnected and impermeably separated from internal
tank space and from outside environment.
       (5) A tank shall contain:
a)     an equipment for measurement of the height level of a flammable liquid in a tank;
b)     an equipment against overfilling or an equipment for signalising of the highest acceptable level
       of a flammable liquid;
c)     a ventilation ducts with an equipment against flame over-jumping into a tank13) or with an
       equipment for extinction of flammable liquid vapours , except of a tank with a floating roof;



9)
      Measures of the Slovak Office of Standardisation, Metrology and Testing of the Slovak Republic No.
      177/2003 Coll. on including products among determined products
10)
      Slovak Technical Standard STN 33 0300 Electric engineering regulations. Kinds of environment for
      electrical installations
11)
      Slovak Technical Standard STN 33 2031 Testing and exploitation of technological equipment and airplanes
      with regard to dangerous effects of static electricity discharge
12)
      Decree of the Ministry of Interior of the Slovak Republic No. 288/2000 Coll. establishing technical
      requirements laid on fire safety during erection and use of structures.


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d)     an equipment for removing of sediments and water .
     (6) A permanently tank filled with an inert gas or a tank containing flammable liquids of the III
and IV classes of danger respectively, which are stored at the temperature lower in 10 % than their
flash point is, but minimally lower in 10 C, need not contain an equipment against flame over-
jumping into a tank.
     (7) Each branch pipe connected to a common collecting pipe which removes vapours of
flammable liquids located in several tanks, at concentrations higher than 50 % of their lower explosion
limits, is allowed to connect only through equipment against flame over-jumping into a tank.
    (8) A tank containing an equipment for cooling or for heating shall be equipped by a measuring
equipment signalising the flammable liquid getting heated at the highest allowed temperature.
     (9) Aboveground tanks with flammable liquids of the I and II classes of danger respectively,
shall be protected against sun radiation thermal effects; this provision is not applied to the section 3.


                                                         §5
     (1) Underground spaces for service activities for underground tanks shall create an independent
fire compartment in the IV class of fire safety 4) and shall have emergency exits in a distance
maximally 50 m.
    (2) The emergency exit shall be built from construction elements D1 type and separated from
underground spaces for service activities for underground tanks by a fire closure EIC (60) type made
from construction elements D1 type.
     (3) Entrance points into underground spaces for service activities for tanks as well as emergency
exits from m these spaces shall not be located in a fire danger space of another construction work.


                                                         §6
      (1) Transportable packaging, containers and tanks shall be produced from materials of required
strength and resistance against corrosion and chemical effects of flammable liquids. The resistance
against corrosion and chemical effects of flammable liquids can be obtain also by a surface treatment
of transportable packaging, containers and tanks.
     (2) Metallic aboveground tanks and metallic underground tanks shall be protected against
corrosion at least from the external side.
    (3) Aboveground tanks and underground tanks shall be made from metallic materials; this
provision does not apply to tanks according § 4, section 3 and to tanks made up according to a Slovak
Technical Standard.14
     (4) Transportable packaging with flammable liquids of I and II class of danger shall be protected
against thermal effects of sun radiation.


                                                         §7

13)
      Slovak Technical Standard STN EN 12874 (38 9671) Flame arresters. Performance requirements, test
      methods and limits for use
14
      For example
      STN EN 976-1 (69 8043) Underground tanks of glass-reinforced plastics (GRP). Horizontal cylindrical
      tanks for the non-pressure storage of liquid petroleum based fuels. Part 1: Requirements and test methods for
      single wall tanks
      STN EN 976-2 (69 8043) Underground tanks of glass-reinforced plastics (GRP). Horizontal cylindrical
      tanks for the non-pressure storage of liquid petroleum based fuels. Part 2: transport, handling, storage and
      installation of single wall tanks


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                                                     Labelling
     (1) Aboveground tanks and transportable packaging which contains flammable liquids are
labelled by the inscription "FLAMMABLE LIQUID" stated by the flammable liquid class of danger;
this provision applies also to non-cleaned aboveground tanks, containers and transportable packaging
which contained flammable liquids in past.
    (2) Section 1 is not applied for those aboveground tanks and transportable packaging with
flammable liquids of I class of danger or with flammable liquids of II class of danger which are
marked by the graphical sign according to specific provision 15).
     (3) Underground tanks and aboveground tanks which are sunk down to their upper brim into a
terrain are visibly labelled by a board with the inscription "FLAMMABLE LIQUID" stated by the
flammable liquid class of danger.


                                                      Filling
                                                        §8
    (1) Transportable packaging and tanks with the volumes up to 1000 m3 can be filled by
flammable liquids maximally up to 95 % of their volumes.
     (2) Tanks with volumes greater than 1000 m3 can be filled by flammable liquids maximally up
to 97 % of their volumes.


                                                        §9
     (1) Tanks of railway tank wagons and tanks of road tank vehicles shall be shorted to earth
during barrelling or filling with flammable liquids of the I and II classes of danger.11)
     (2) For heating of transportable packaging, containers, tanks, tanks of railway tank wagons and
tanks of road tank vehicles which contain flammable liquids or which were not discharged of
flammable liquid residues, shall not be used an open fire.


                                                        § 10
                          Workplaces with metallurgical or machinery production
     (1) A workplace with metallurgical or machinery production is considered to be a workplace
with metallurgical or machinery production having ground-plan area at least
a) 5 000 m2 located in a construction work with non-flammable construction unit;
b) 7 000 m2 located in a construction work with mixed construction unit.
     (2) A handling area is considered to be an area where transportable packagings are placed,
barrelled or filled in.
     (3) At the workplace with metallurgical or machinery production can be stored maximally 15 m3
of flammable liquids of the IV class of danger in transportable packaging. Flammable liquids at a
workplace with metallurgical or machinery production shall be stored only in handling areas.




15)
      Annexes 2 and 3 to the Order of the Ministry of Economy of the Slovak Republic No. 2/2002 of 27 March
      2002 providing for the enforcement of the Act No. 163/2001 Coll. on chemical substances and chemical
      preparations (Notice of the Ministry of Economy of the Slovak Republic published under No. 384/2002
      Coll.)




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     (4) Handling area shall be made from non-flammable materials inert against stored flammable
liquids in such way to intercept minimally such volume of flammable liquids which is equal to the
volume of the greatest container or of transportable packaging.
       (5) Distance between adjacent sides of handling areas must be 100 m at least.
    (6) The total area of handling areas shall not be larger than 4 % of the ground- plan area of the
workplace with metallurgical or machinery production.
     (7) On the handling area is allowed to re-pump flammable liquids from transportable packaging
only either in the way or by the equipment intended by their manufacturer or importer.
     (8) To handle with an open fire and with glowed materials is allowed only in the horizontal
distance greater than 10 m from the handling area side


                                                        § 11
                                                     Garages
    (1) In a fire compartment of an individual garage can be stored liquid fuels in unbreakable
packaging with volumes maximally
a) 40 l for a motorbike, tree-wheel bike, four-wheel bike and for personal vehicle 16);
b) 80 l for a bus, truck, special vehicle, towing vehicle, tractor and working machine. 16)
     (2) In a fire compartment of a row garage or mass garage in a space of one box for standing can
be stored liquid fuels in unbreakable packaging with volumes maximally
a)     20 l for a motorbike, tree-wheel bike, four-wheel bike and for personal vehicle;
b)     60 l for a bus, truck, special vehicle, towing vehicle, tractor and working machine.
    (3) In a garage in a space of one box for standing can be stored except liquid fuels also
flammable liquids of all classes of danger with volumes maximally
a)     10 l for a motorbike, tree-wheel bike, four-wheel bike and for personal vehicle;
b)     20 l for a bus, truck, special vehicle;
c)     80 l for a towing vehicle, tractor and working machine.


                                                        § 12
                                 Pharmacies and medicament supply offices
      (1) In a fire compartment of a pharmacy or a medicament supply office can be stored and used
except medicaments maximally 500 l of flammable liquids of all classes of danger, but in this amount
is included maximally 100 l of the I class of danger.


                                                        § 13
                                                 Shopping areas
     (1) Maximal volume of flammable liquids of all classes of danger which can be stored in a fire
compartment of a shopping area or in a warehouse fire compartment neighbouring with a shopping
area is referred to in the Annex No. 1 in the Table No. 2; while flammable liquids of the I class of
danger can be maximally 20 % from these amounts.



16)
      § 3 of the Decree of the Ministry of Transport, Posts and Telecommunications of the Slovak Republic No.
      116/1997 Coll.


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    (2) Flammable liquids can be stored in transportable packaging. Form transportable packaging
flammable liquids can be barrelling only either in the way or by the equipment intended by the
producer or the importer.


                                                        § 14
                                                   Workplaces
        The maximal volume of the flammable liquids which can be stored or used in a fire
compartment of the workplace not referred to in §§ 11 up to 13, is referred to in the Annex No. 1 in
the Table No. 2; while flammable liquids of the I class of danger can be maximally 20 % from these
amounts. Flammable liquids can be stored in tanks, or in transportable packaging. This is not applied
to flammable liquids of the III and IV classes of danger, which are in closed systems of working
engines.


                                                        § 15
                               Structures in a property or using of natural persons
     (1) In structures belonging to the property or using of natural person is allowed to store
maximally 200 l of flammable liquids of all classes of danger; this is not applied to apartment houses
and for structures intended to interim accommodation.
       (2) In a flat and in a flat assembly17) can be stored maximally 5 l of flammable liquids.
       (3) In cellars or basement rooms of apartment houses for each flat can be placed
a) for local heating maximally 100 l of liquid fuel only in transportable packaging which are separated
   from solid flammable materials or fuels; the volume of the transportable packaging can be
   maximally 50 l;
b) 20 l of flammable liquids of all classes of danger; from this amount 5 l can be stored in breakable
   packaging.


                                                        § 16
Flammable liquids shall not be stored
a)     in non-dwelling areas18), in common parts and in common facilities19) of apartment houses;
b)     in dwelling units of dwelling structures;
c)     in communication areas;
d)     in person gathering areas;
e)     on roofs and in lofts of dwelling houses, hospitals, administration buildings and structures of civic
       facilities;
f)     in escape routes which are constructionally separated from other structure areas.


      Structural design of warehouses for flammable liquids and
                 for workrooms with flammable liquids


17)
      § 121, section 2 of the Civil Act
18)
      § 2, section 3 of the Act of the National Council of the Slovak Republic No. 182/1993 Coll. on ownership of
      flats and of non-dwelling areas
19
  ) § 2, sections 4 and 5 of the Act of the National Council of the Slovak Republic No. 182/1993 Coll.


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                                                        § 17
     (1) A warehouse for flammable liquids is understood a construction work or its part intended for
storage, entry and stock out of flammable liquids in greater amounts than those specified in §§ 10 up
to 15. A warehouse may create either only one independent fire compartment or more independent fire
compartments.
    (2) Building constructions for a warehouse for flammable liquids shall be made from
construction elements of type D1.
    (3) The floor in a warehouse for flammable liquids shall be sloped and made from non-
flammable and non-permeable material that is resistant against chemical effects of flammable liquids.
    (4) In warehouses for flammable liquids shall not be located cable channels20) accessible from the
upper side.
    (5) Within the 5 m distance from the warehouse for flammable liquids shall not be placed
flammable material and the terrain surface shall be removed from flammable coppice.


                                                        § 18
     (1) A closed warehouse for flammable liquids is understood a roofed warehouse with external
walls which have an area of the permanently opened openings smaller than 25 % of the total surface
area of external walls.
      (2) A main warehouse for flammable liquids is understood a warehouse where more than 100 m3
of flammable liquids of all classes of danger are stored.
     (3) A main closed warehouse for flammable liquids is understood a roofed warehouse with
external walls which have a rate of the permanently opened openings in external walls smaller than
25 % and where more than 100 m3 of flammable liquids of all classes of danger are stored.
     (4) The main closed warehouse for flammable liquids is permitted to locate only at the first
aboveground storey in the production structure or in a separate structure. A main closed warehouse for
flammable liquids of III and IV classes of danger may be located also at the first underground storey
of these structures. A main closed warehouse shall have exit into a free space.
        (5) A handling warehouse for flammable liquids is understood a warehouse which is located
                                  12)
a) in a production structure            and where maximally 100 m3 of flammable liquids of all classes of
   danger are stored;
b) in a non-production structure and where maximally 20 m3 of flammable liquids of all classes of
   danger are stored.
    (6) A handling closed warehouse for flammable liquids is understood a warehouse that
simultaneously fulfils conditions according to sections 1 and 5.
    (7) The handling closed warehouse for flammable liquids is permitted to locate only at the first
aboveground storey of a structure This warehouse for flammable liquids of III and IV classes of
danger it may be located also at the first underground storey of a structure.
    (8) The main closed warehouse for flammable liquids and the handling closed warehouse for
flammable liquids which create supplementary building to another structure or which are in-built into
another structure may be join with other areas of the structure only through communication space
which is ventilated either by natural ventilation or by forced ventilation pursuant to § 28, sections 2
and 3.




20)
      Slovak technical standard STN 38 2156 Cable ducts, shafts, bridges and rooms


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    (9) In one fire compartment of the main closed warehouse for flammable liquids or of the
handling closed warehouse for flammable liquids is allowed to storage in transportable packaging
maximally 40 m3 of flammable liquids of the I class of danger.
   (10) In external walls of fire compartments of main closed warehouses for flammable liquids or of
the handling closed warehouses for flammable liquids, are constructed vertical and horizontal fire-stop
bands 12) wide at least 2 m.
   (11) An operational warehouse for flammable liquids is understood a warehouse where maximally
7 m3 of flammable liquids of all classes of danger are stored.
  (12) No requirement for fire resistance of building constructions of the one-storey operational
warehouse for flammable liquids that creates an independent structure is stipulated.


                                                        § 19
     (1) An open warehouse for flammable liquids is understood a warehouse that does not fulfil
requirements laid on the closed warehouse pursuant to § 18, section 1.
     (2) The open warehouse for flammable liquids may be only a single-storey.
    (3) As a part of the fire compartment of the open warehouse for flammable liquids may be also a
pumping station serving for this warehouse. Building constructions of these structures shall be made
from construction elements of type D1.
     (4) Building constructions of other fire compartments situated in the fire danger area of the open
warehouse for flammable liquids shall be made from construction elements of type D1 with fire
resistance at least 120 minutes; and fire closures in these constructions shall be made from
construction elements of type D1 with fire resistance at least 60 minutes.
     (5) The floor of the emergency tank or of the trapping tank of the open warehouse for flammable
liquids, where those are stored in transportable packaging, and which creates a supplementary building
to the another structure shall be sloped outwards from this structure.


                                                        § 20
    (1) A workroom with flammable liquids (in further only "workroom") is understood a workplace
where flammable liquids are used in amounts greater than those referred to in § 10 up to 15.
     (2) The workroom shall create an independent fire compartment.
     (3) Construction design of workrooms is subjected to provisions § 17, sections 3 and 4; and § 18,
section 4 and 8, in an appropriate way.


                                                        § 21
     (1) Space for barrelling process is a construction work with barrelling points including
technological equipment serving for emptying of
a) a railway wagon
    1. of a tank type with permanently installed tank;
    2. with installed either cistern container, transportable container, removable container or cistern
       removable construction;
b) a road truck vehicle
    1. of a special cistern type with permanently installed cistern;
    2. with installed either cistern container, transportable container, removable container or cistern
       removable construction;
c) a trailer
    1. of a special cistern type with permanently installed cistern;



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    2. with installed either cistern container, transportable container, removable container or cistern
       removable construction;
(further only "vessel of a mobile supply equipment")
    (2) Space for filling process is a construction work with filling points including technological
equipment serving for filling of either vessels of a mobile supply equipment or of transportable
packaging
     (3) As a part of the fire compartment of the space for barrelling process or space for filling
process, may be an construction work relating to performing of these spaces, when it is not located
further than a spacing distance is.
     (4) The space for barrelling process or space for filling process which create supplementary
buildings to an open warehouse of the flammable liquids with aboveground tanks or with transportable
packaging, shall be situated in such way to have a distance at least 6 m between the inner brim of the
emergency tank in the warehouse for flammable liquids and the brim of the trapping tank in the space
for barrelling process or space for filling process, and the construction work referred to in section 3.


                                                        § 22
                                  Emergency, trapping and collecting tanks
     (1) An emergency tank is understood a tank intended for flammable liquid capturing which flows
out from transportable packaging, tank reservoirs, technological equipment, and from trapping tanks
during an accident.
    (2) A trapping tank is understood a tank intended for capturing of escaping flammable liquids
from transportable packaging, tank reservoirs, and from technological equipment. The trapping tank is
permanently connected with the emergency tank. Outgoing piping from the trapping tank towards the
emergency tank shall have permanently functional liquid seal 13) and shall not contain closing fittings.
    (3) A collecting tank is understood a construction finishing at the bottom or in the floor of the
emergency tank, which is made up by construction technology, allowing pumping out of the captured
flammable liquids.
    (4) A workroom, warehouse, space for barrelling process or space for filling process shall be
equipped by emergency tanks and by trapping tanks.
     (5) To one emergency tank can be connected either two trapping tanks in the workroom or more
trapping tanks in the workroom.
     (6) Emergency, trapping and collecting tanks shall not be connected directly to the sewage pipes.
A bottom of the emergency tank, which is made up by construction technology, shall be sloped into
the collecting tank.
      (7) The trapping tank shall be able to capture at least 5 % of the flammable liquid volume which
is located
a) in technological equipment;
b) in a tank or in a transportable packaging;
c) in a vessel of a mobile supply equipment.
     (8) Transportable packaging referred to in § 2, section 1, letters a), b) and h) are placed above the
trapping tank bottom in such way that in the case of flammable liquid escape from a transportable
packaging occurred no wetting of external surfaces of other transportable packaging by a flammable
liquid trapped in the trapping tank.
    (9) The trapping tank is made up in such way to be capable to trap flammable liquid escaped
from any place of a technological equipment, a tank, a transportable packaging and of a vessel of
mobile supply equipment .
   (10) The emergency tank in the workroom shall have the volume to capture at least


                                                         11
Draft for the Decree No. ...../2004 Coll. on flammable liquids ...

a)    volume of flammable liquids stored in the biggest tank;
b)    60 % of flammable liquids which are located in technological equipment or are supplied into
      them during
      1. 5 minutes if the equipment contains a closure situated in front of the entrance into workroom
         which automatically interrupts the flammable liquid supply when their volume, pressure or
         temperature is changed against the reference values;
      2. 15 minutes in other cases.
   (11) To determine the required volume of the emergency tank according to section 10, the greater
value pursuant to letter a) or b) is relevant.
  (12) Volume of the emergency tank for warehouses is referred to in the Annex No. 1 in the Table
No. 3.
   (13) The volume of the emergency tank shall not be lower than the volume of the biggest tank or
transportable packaging.
   (14) The space for barrelling process or space for filling process of a vessel of a mobile supply
equipment which
a) is not divided into more independent chambers, must be equipped with a trapping tank and with
     an emergency tank whose volume together is at least 25 % of the volume of all simultaneously
     filled or barrelled vessels of a mobile supply equipment; but minimally the same as
     1. a volume of one vessel of a mobile supply equipment, when those vessels are of the same
         volume; or
     2. a volume of the biggest vessel of a mobile supply equipment, when those vessels are not of the
         same volume;
b) is divided into more independent chambers, must be equipped with a trapping tank and with an
     emergency tank whose volume together is at least 25 % of the volume of all simultaneously filled
     or barrelled chambers of vessels of a mobile supply equipment; but minimally the same as
     1. a volume of one chamber of a vessel of a mobile supply equipment, when those chambers of
         vessels are of the same volume; or
     2. a volume of the biggest chamber of a vessel of a mobile supply equipment, when those
         chambers of vessels are not of the same volume.
   (15) When at the space for barrelling process or space for filling process are simultaneously
barrelled or filled-in vessels of a mobile supply equipment referred to in section 14 letters a) and b), a
trapping tank and an emergency tank shall have a volume together at least of 25 % of the volume of all
simultaneously filled-in or barrelled either chambers of vessels of a mobile supply equipment or of
vessels of a mobile supply equipment; but minimally of the volume either of the biggest vessel of a
mobile supply equipment or of the biggest chamber of a vessel of a mobile supply equipment,
depending on which of these volumes is greater.
     (16) The emergency tank need not be equipped
a)     a secondary containment tank with the volume up to 100 m3;
b)     a locally secondary containment tank with the volume up to 50 m3;
c)     an underground tank which have an equipment indicating a flammable liquid leaking or which is
       situated in such way to enable visually notice a flammable liquid leaking.
   (17) Emergency tanks which are not constructed according the Slovak technical standard 14), and
trapping tanks shall be made from non-flammable materials resistant against chemical effects of
flammable liquids; shall be non-permeable and shall have the bottom sloped into a collecting tank.


                                                        § 23




                                                         12
Draft for the Decree No. ...../2004 Coll. on flammable liquids ...

     (1) Metallic construction of structures and their parts where flammable liquids are placed, stored
or handled shall be conductorially connected, shorted to earth and protected against atmospheric
electricity effects.21)
     (2) Metallic parts of technological equipment and of tanks shall be conductorially connected,
shorted to earth and protected against atmospheric electricity effects.21)


                                                        § 24
                                                Spacing distance
      (1) The spacing distance of the fire compartment of the open warehouse for flammable liquids
and the spacing distance of the fire compartment of the space for barrelling process or the space for
filling process is determined in dependence on
a) the area density of thermal flux from the fire compartment;
b) the length of the fire compartment;
c) the height of the fire compartment;
d) the value of the fire opened area of the fire compartment.
     (2) The spacing distance from the stand pump in filling station of liquid fuels shall be at least
6,5 m.


                                                        § 25
      (1) The fire danger space of the open technological equipment, open warehouse with
aboveground tanks or transportable packaging, and of the space for barrelling process or the space for
filling process is determined from the inner wall brim of the emergency tank or of trapping tank.
     (2) The fire danger space of the secondary containment tank with plastic inner shell and of
locally secondary containment tank is determined from the external tank shell.
     (3) The fire danger space of the underground tanks and of the secondary containment tanks with
non-flammable shells is not determined. The secondary containment tank shall not be located in the
fire danger space of the another structure. The underground tank may be located in the fire danger
space of the another structure.


                                                        § 26
    (1) A safety distance for location of the underground tank is understood a horizontal distance
between the underground tank shell and the border of another construction work, energy lines or of
equipment.
     (2) The safety distance for location of the underground tank and the way of its determination are
referred to in the Annex No. 3.


                                                        § 27
     (1) The distance between two aboveground tanks with flammable liquids in the open warehouse,
which have diameters at least 3 m, shall not be smaller than the diameter of the bigger tank. The
distance between two tanks, when one has a diameter smaller than 3 m, shall not be smaller than one
half of the diameter of the greater tank.




21)
    Slovak technical standard STN 34 1390 Electric engineering regulations. Rules for lighting protection and
lighting conductors


                                                         13
Draft for the Decree No. ...../2004 Coll. on flammable liquids ...

     (2) The distance between two aboveground tanks with a floating roof shall not be smaller than
0,6 multiplication of the greater tank diameter.
     (3) The distance between two aboveground tanks with flammable liquids which are sunk into the
surrounding terrain up to their upper edges, shall not be smaller than one fourth of the greater tank
diameter, but at least 3 m.
    (4) The distance between the tank containing a flammable liquid and the tank with non-
flammable liquid shall be at least 1 m.
     (5) The distance between two aboveground tanks where flammable liquids with low boiling
points are stored, shall not be smaller than twice of the greater tank diameter.
    (6) When determining the distance between two tanks, the tank insulation is not taking into
account into the tank diameter value.
     (7) If standing tank has a different ground-plan shape than a circular one, then the tank diameter
is considered to be a circumcircle diameter to this ground-plan.
     (8) If prone tank has a different shape than a cylindrical one, then the tank diameter is the width
of the tank.


                                                        § 28
                                                    Ventilation
     (1) A workroom where flammable liquids of I and II classes of danger or flammable liquids of III
and IV classes of danger are heated to the higher temperature than their flash point is, but lowered in
10C, as well as a closed warehouse where flammable liquids of I and II classes of danger are stored in
portable packaging and in passive cistern containers, shall be ventilated by a natural or a forced
ventilation.
     (2) If a ventilation is secured by air entering openings with total area at least 1 % of the room
ground area and air exhausting openings with total area at least 1,3 % of the room ground area, the
ventilation is a natural one.
     (3) If ventilation is provided for in such way to secure the air exchange at least twice in an hour,
the ventilation is a forced one.
    (4) The main closed warehouse for flammable liquids and the operational closed warehouse for
flammable liquids of I and II classes of danger in transportable packaging and in passive cistern
containers shall be equipped by an emergency ventilation which enables the air exchange at least ten
times in a hour.
     (5) Fans for forced ventilation 22) pursuant to the section 3 shall be intended for use in potentially
explosive atmospheres and during installation an appropriate explosion group as well as a temperature
class of the stored flammable liquids are taken into account.
      (6) Underground areas with tanks and technological equipment using flammable liquids of I and
II classes of danger with occasional service, shall be equipped by a forced ventilation.
     (7) Technological equipment from which flammable liquids of I and II classes of danger can
freely release into the ambient atmosphere, shall have a local ventilation. 22)
     (8) No requirements concerning ventilation are determined neither for closed warehouses and
workrooms with flammable liquids of III and IV classes of danger stored in transportable packaging or
in passive cistern containers, nor for closed warehouses with flammable liquids of III and IV classes of
danger stored in tanks and in active cistern containers at the temperature which is at least in 10C
lower than their flash point.


22)
      Slovak technical standard STN 12 0000 Air engineering equipment. Terminology


                                                         14
Draft for the Decree No. ...../2004 Coll. on flammable liquids ...



                                                        § 29
                                      Protection against explosion effects
     (1) In external or roof building construction of warehouses for flammable liquids and workrooms
where the explosion risk exists. shall be constructed blow-off explosion venting areas; this is not
applied to
a) warehouses and workrooms situated in underground storey;
b) spaces of workrooms and warehouses with the volume smaller than 30 m3, which are ventilated by
   a forced air exchange at least six times in an hour.
     (2) The minimal size of the blow-off explosion venting area is referred to in the Annex No. 4.
    (3) Building constructions creating blow-off explosion venting area, when being affected by a
perpendicular pressure 0,01 MPa, shall break down into free space direction in such way not to
damage other building construction joined with the blow-off explosion venting area.
     (4) The area with the explosion risk shall be separated from neighbouring closed areas by a wall
resisting at least twice pressure value at which the blow-off explosion venting area is broken down.
     (5) The ambient space from the outer side of the blow-off explosion venting area shall be
constantly unhampered in the perpendicular direction up to 15-m distance from the blow-off explosion
venting area. In this space may be located pipe bridges, separately standing columns or masts.
     (6) Distance of 15 m from the blow-off explosion venting area may be shortened maximally to a
half if a building construction, situated in the shortened distance, safety muffles or reflects a pressure
wave into an ambient space.


                                                        § 30
             Operation and technical conditions for storage and placing of flammable liquids


     (1) A transportable packaging containing flammable liquids shall be stored in warehouses; this is
applied also to an empty transportable packaging which was not removed from flammable liquid
residues.
    (2) An empty transportable packaging shall be stored separately from a filled transportable
packaging and storage place shall be marked by inscription EMPTY PACKAGING.
     (3) Transportable packagings or containers which are placed in shelves can be stored up to height
a) 6 m, if contain flammable liquids of I and II classes of danger;
b) 12 m, if contain flammable liquids of III and IV classes of danger, respectively.
     (4) Transportable packaging and containers can be placed maximally in three layers when stored
freely in bulk.
    (5) Filled transportable packaging shall be closed and placed always with the filling opening
upwards. This requirement applies also to empty transportable packaging which was not removed
from flammable liquid residues.
     (6) In fire compartments of warehouses where more than 100 m3 of flammable liquids are stored,
giving-out, barrelling or re-pumping of flammable liquids may be performed only in the space which
is constructionally separated from the storage area.
    (7) No materials and things non-relating to the warehouse performance can be stored in the
warehouse.




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Draft for the Decree No. ...../2004 Coll. on flammable liquids ...

      (8) In a warehouse can be stored also other liquids when proving in suitable way that in the case
of fire or during other coming in a contact, those do not release toxic nor caustic mixtures, products or
effluents. The total amount of stored flammable liquids and other liquids shall not exceed the volume
stipulated for the particular warehouse type.
     (9) In warehouses, workrooms and places where flammable liquids are placed or where they are
handled, is prohibited to smoke and use an open fire. At the entrance doors leading into warehouses,
workrooms and places where flammable liquids are placed, shall be placed a sign with the inscription
PROHIBITION OF SMOKING AND ENTERING WITH OPEN FIRE and with marking of the space
type in question. 10)
   (10) For removing of spilled flammable liquids may be used only suitable non-flammable
absorption material, which is not subjected to self-ignition, even being saturated by spilled flammable
liquids.
    (11) For placing of cleaning wool, residues of flammable liquids and of similar materials shall be
situated in a warehouse or a workroom, a full wall vessel from non-flammable material with self-
closing lid. The content of the vessel shall be removed from the warehouse or from the workroom
every day and placed in the pre-intended safe place.
    (12) Up to 5 m circle distance from shafts of underground tanks and from secondary containment
tanks, there is forbidden to handle an open fire. The prohibition shall be visible marked by a table with
a sign and inscription PROHIBITION OF SMOKING AND ENTERING WITH OPEN FIRE.
      (13) The warehouse and the workroom shall have the Fire Order for the Workplace.23)


                                                        § 31
     (1) Flammable liquids of the I, II, III and IV classes of danger respectively, can be extruded by
an inert gas.
    (2) Flammable liquids of the I class of danger can be extruded by air with the overpressure
maximally of 0,01 MPa.
     (3) Flammable liquids of the II class of danger, at the temperature lower than their flash point,
and flammable liquids of III and IV classes of danger can be extruded by air without any overpressure
limitation.


                                                        § 32
                                 Flammable liquids with a low boiling point
       (1) Flammable liquid with a low boiling point is understood a substance which simultaneously:
a)     fulfils conditions referred to in § 3 section 1 letter a);
b)     has a boiling point lower than 50C;
c)     has a flash point maximally 21C, including this value
     (2) For purposes of this Decree as a flammable liquid with a low boiling point is considered also
extremely flammable substance and preparation according to specific provision 7) if those fulfil
conditions referred to in § 3, section 1 letter a).
     (3) (Aboveground tanks and transportable packaging with flammable liquids with a low boiling
point which are not marked according to specific provision 7) are marked by a inscription
„FLAMMABLE LIQUID WITH A LOW BOILING POINT“.


23)
       § 4 letter c) of the Act No. 314/2001 Coll. on protection against fire
       § 9 section 2 of the Decree of the Ministry of Interior of the Slovak Republic No 121/2002 Coll. on fire
       prevention


                                                         16
Draft for the Decree No. ...../2004 Coll. on flammable liquids ...

     (4) Underground tanks and aboveground tanks with a flammable liquid with a low boiling point
which are sunk down to their upper brim into a terrain are visibly labelled by a board with the
inscription „FLAMMABLE LIQUID WITH A LOW BOILING POINT“.
      (5) Tanks and transportable packaging for flammable liquids with a low boiling point can be
filled maximally up to 90 %of their volume.
     (6) Transportable packaging from plastics and rubber which fulfil requirements according to § 3
section 8 may be used for flammable liquids with a low boiling point.
    (7) Flammable liquid with a low boiling point can be stored in a breakable transportable
packaging which has volume up to 1 l maximally.
    (8) Flammable liquids with a low boiling point can be stored only in the independent fire
compartment. This provision does not apply to operational warehouse and warehouse for transportable
packaging.
    (9) In operational warehouses for flammable liquids, can be stored maximally 0,2 m3 of
flammable liquids with a low boiling point which are separated from other flammable liquids.
   (10) In warehouses for flammable liquids with transportable packaging, can be stored maximally
10 m3 of flammable liquids with a low boiling point. In one fire compartment can be stored maximally
2 m3 of flammable liquids with a low boiling point.
  (11) Flammable liquid with a low boiling point can be stored independently only in the space
which is separated from other areas by building constructions made from construction elements type
D1 with fire resistance minimally 30 minutes.
   (12) Flammable liquids with a low boiling point in transportable packagings shall not be stored in
open warehouses.
    (13) In warehouses for flammable liquids with aboveground tanks, can be stored maximally 50 m3
of flammable liquids with a low boiling point.
   (14) In warehouses for flammable liquids with underground tanks, flammable liquids with a low
boiling point can be stored only under protective inert atmosphere or under water protective layer.
   (15) The minimal safe distances between warehouses for flammable liquids with a low boiling
point and structures and technological equipment are referred to in the Annex No. 5.
   (16) The space for barrelling process or the space for filling process for flammable liquids with a
low boiling point shall be distanced at least 10 m from warehouses for flammable liquids with a low
boiling point and from other structures.
   (17) At workplaces, total volumes of placed flammable liquids with a low boiling point can be
maximally
a) 10 l in breakable transportable packaging;
b) 20 l in non-breakable transportable packaging.
   (18) Sections 8 up to 14 and 17 do not apply to workrooms with flammable liquids with a low
boiling point.


                                                        § 33
                         Fixed fire extinguishing equipment and cooling equipment
    (1) An aboveground tank where flammable liquids with a low boiling point are stored, shall be
equipped with a fixed fire extinguishing equipment.
    (2) With a fixed fire extinguishing equipment shall be equipped an aboveground tank which
volume
a) is greater than 500 m3 for flammable liquids of the I class of danger;
b) is greater than 1000 m3 for flammable liquids of the II class of danger.


                                                         17
Draft for the Decree No. ...../2004 Coll. on flammable liquids ...

    (3) Section 2 does not apply to tanks where flammable liquids are stored under a protective inert
atmosphere.
     (4) Emergency tanks, in which tanks refer to section 2 and walls of which are situated towards
the access communication in a height more than 1,5 m above the terrain, shall be equipped with a
fixed fire extinguishing equipment.
     (5) The fixed fire extinguishing equipment according to sections 2 and 4 can be replaced by a
semi-fixed fire extinguishing equipment only when the arrival time of the fire brigade with a non
interrupted service is shorter than 5 minutes.
     (6) A roof and a shell of the aboveground tank which is intended for a storage of flammable
liquids of I and II classes of danger and having the volume greater than 250 m3 shall be equipped with
a water cooling equipment. This provision does not apply to tanks equipped with non-flammable
thermal insulation preventing heat transfer in the same degree as a cooling equipment.
     (7) A metallic emergency tank for flammable liquids of all classes of danger, having the volume
greater than 100 m3, shall be equipped with a water cooling equipment.
     (8) A closed warehouse, having the storage capacity more than 100 m3 of flammable liquids,
shall be equipped with a fixed fire extinguishing equipment, a fire detection and alarm system and
with a fire effluent and heat control system.
    (9) Underground spaces for a service of underground tanks which are longer than 50 m, shall be
equipped with a fixed fire extinguishing equipment or a semi-fixed fire extinguishing equipment.


                                                        § 34
                                               Heavy heating oils
      (1) A heavy heating oil is understood an oil which fulfils requirements referred to in § 3 section 1
letters a) item 1, letters b) up to d), and its freezing point is higher than 35C, but maximally 45C.
     (2) The emergency tank of the closed warehouse of heavy heating oils shall capture at least 25 %
of volume of stored heavy heating oils, but minimally the volume of the biggest tank.
     (3) The workplace emergency tank where more than 3 m3 of heavy heating oils are used, shall
capture at least either the volume of heavy heating oils from the biggest tank or 25 % of the volume of
heavy heating oils which are in technological equipment.
      (4) The emergency tank of the open warehouse with aboveground tanks containing heavy heating
oils shall have such volume to capture at least the volume of the biggest tank.
    (5) No emergency tank is required for secondary containment tanks and for locally secondary
containment tanks.
     (6) The distance between insulation surfaces of aboveground tanks shall not be smaller than a
half of the bigger tank radius, but minimally 1 m.
    (7) For workplace, where more than 3 m3 of heavy heating oils are used, § 14 is applied to in the
same way.
     (8) For warehouses for heavy heating oils, §§ 18 and 19 are applied to in an appropriate way.
     (9) To determine a spacing distance of open warehouses for heavy heating oils, § 24 is applied to
in the same way.


                                                        § 35
                                                   Fats and oils
     (1) For emergency tanks of closed warehouse for vegetable fats and oils and animal fats and oils
(further only "fats") or of workrooms with fats, § 22 is applied in the same way.


                                                         18
Draft for the Decree No. ...../2004 Coll. on flammable liquids ...

     (2) The distance between storage tanks with fats shall be at least 0,6 m from tank borders.
     (3) The distance between two rows of tanks shall be at least 1,5 m from tank borders.
     (4) To determine the distance according to sections 2 and 3, the external shell of an insulated
tank is considered as the its border.
     (5) Tanks with fats may be filled maximally up to 95 % of their volume.
     (6) Fats in storage tanks can be heated maximally up to 80C.
    (7) To determine the spacing distance for open warehouses for fats § 24 is applied to in an
appropriate way.


                                                        § 36
                                                Interim provision
Workrooms, workrooms with flammable liquids with a low boiling point or warehouses which were
built before 30th April 2004 according existing regulations, shall be re-arranged in compliance with
provisions of §§ 18 up to 24, § 28 and § 30 during their nearest reconstruction, but the latest till
31st December 2013.


                                                        § 38
                                                Getting into force
                                           st
This Decree shall enter into force on l May 2004.




                                                     Minister:




                                                         19
Draft for the Decree No. ...../2004 Coll. on flammable liquids ...

                                                                 Annex No 1 to the Decree No. ...../2004 Coll.


DIVISION OF FLAMMABLE LIQUIDS
                                                                                                   Table No. 1
                   Class of danger                                          Flash point in C
                            I                                                      below 21
                           II                                               above 21 up to 55
                           III                                             above 55 up to 100
                           IV                                             above 100 up to 250


MAXIMAL VOLUME OF FLAMMABLE LIQUIDS OF ALL CLASSES OF DANGER
                                                                                                   Table No. 2
                                   Maximal volume of flammable liquids of all classes of danger in m3
        Area in m2                up to 100           above 100           above 500             above 1000
                                                      up to 500           up to 1000
Shopping room                         0,5                  1                   2                    3
Sale warehouse or
                                       1                   2                   3                    4
warehouse of the shop
Workplace                            0,05                 0,1                 0,2                  0,5


VOLUME OF EMERGENCY TANKS
                                                                                                   Table No. 3
                                                Volume of the emergency tank in % of the flammable liquid
                Storage way                     volume in aboveground tanks, transportable packaging and
                                                               in an operational warehouse
                                      1                                       100

Aboveground                           2                                       75
                    Number
   tanks                              3                                       60
                                 4 and more                                   50
Transportable packaging                                                       10
Operational warehouse                                                         10




                                                         20
Draft for the Decree No. ...../2004 Coll. on flammable liquids ...

                                                                 Annex No 2 to the Decree No. ...../2004 Coll.

 WAY OF DETERMINATION OF THE VOLUME OF FLAMMABLE LIQUIDS OF THE II,
                    III AND IV CLASSES OF DANGER
Volume of flammable liquids of the II, III and IV classes of danger is determined from the volume of
flammable liquids of I class of danger according to the formula:
                          V
                  Vv        (V I  5V II  10V III  100V IV )
                          Vc
where      VV is the resultant allowed stored volume of flammable liquids of all classes of danger in m3;
           V    is the allowed volume of flammable liquids of I class of danger in m3;
           VI is the real volume of flammable liquids of I class of danger in m3;
           VII is the real volume of flammable liquids of II class of danger in m3;
           VIII is the real volume of flammable liquids of III class of danger in m3;
           VIV is the real volume of flammable liquids of IV class of danger in m3;
           Vc is the total real volume of flammable liquids of all classes of danger in m3.




                                                                 Annex No 3 to the Decree No. ...../2004 Coll.

                SAFE DISTANCE FOR PLACING OF AN UNDERGROUND TANK
An underground tank shall be placed in safe distance at least
a) 5,0 m from an external wall of the emergency tank or of the trapping tank of the neighbouring
   underground tank;
b) 3,0 m from an underground pipelines for flammable gasses and flammable liquids supplying;
c) 3,0 m from an underground cable of high voltage or of extra high tension;
d) 1,0 m from another construction work and from another underground pipeline;
e) 0,8 m from another underground tank.




                                                                 Annex No 4 to the Decree No. ...../2004 Coll.

                          PROTECTION AGAINST EXPLOSION EFFECTS
The minimal size of the blow-off explosion venting area is determined according to the formula:
                                                Sv = 0,6 x hs x S1/2
where      Sv   is the minimal size of the blow-off explosion venting area;
           hs   is an average overhead clearance of the space with the explosion risk in meters
           S    is the ground-plan area of the space with the explosion risk in square meters




                                                         21
 Draft for the Decree No. ...../2004 Coll. on flammable liquids ...

                                                                  Annex No 5 to the Decree No. ...../2004 Coll.

   MINIMAL SAFE DISTANCE OF A WAREHOUSE FOR FLAMMABLE LIQUIDS WITH
        A LOW BOILING POINT FROM CONSTRUCTION WORKS AND FROM
                       TECHNOLOGICAL EQUIPMENT


                          Safe distance of the warehouse with    Safe distance of the warehouse with
 Total warehouse
                         underground tanks from construction    aboveground tanks from construction
  volume in m3
                        works and from technological equipment works and from technological equipment
      up to 5                                 –                                            20
 above 5 up to 10                             10                                           30
above 10 up to 50                             20                                           50
above 50 up to 100                            25                                      not allowed
    above 100                                 50                                      not allowed




                                                          22

								
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